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/**
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* Supported keybindings:
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*
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* Motion:
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* h, j, k, l
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* gj, gk
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* e, E, w, W, b, B, ge, gE
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* f<character>, F<character>, t<character>, T<character>
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* $, ^, 0, -, +, _
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* gg, G
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* %
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* '<character>, `<character>
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*
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* Operator:
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* d, y, c
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* dd, yy, cc
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* g~, g~g~
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* >, <, >>, <<
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*
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* Operator-Motion:
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* x, X, D, Y, C, ~
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*
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* Action:
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* a, i, s, A, I, S, o, O
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* zz, z., z<CR>, zt, zb, z-
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* J
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* u, Ctrl-r
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* m<character>
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* r<character>
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*
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* Modes:
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* ESC - leave insert mode, visual mode, and clear input state.
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* Ctrl-[, Ctrl-c - same as ESC.
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*
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* Registers: unamed, -, a-z, A-Z, 0-9
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* (Does not respect the special case for number registers when delete
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* operator is made with these commands: %, (, ), , /, ?, n, N, {, } )
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* TODO: Implement the remaining registers.
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* Marks: a-z, A-Z, and 0-9
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* TODO: Implement the remaining special marks. They have more complex
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* behavior.
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*
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* Code structure:
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* 1. Default keymap
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* 2. Variable declarations and short basic helpers
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* 3. Instance (External API) implementation
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* 4. Internal state tracking objects (input state, counter) implementation
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* and instanstiation
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* 5. Key handler (the main command dispatcher) implementation
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* 6. Motion, operator, and action implementations
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* 7. Helper functions for the key handler, motions, operators, and actions
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* 8. Set up Vim to work as a keymap for CodeMirror.
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*/
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(function() {
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'use strict';
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var defaultKeymap = [
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// Key to key mapping. This goes first to make it possible to override
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// existing mappings.
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{ keys: ['Left'], type: 'keyToKey', toKeys: ['h'] },
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{ keys: ['Right'], type: 'keyToKey', toKeys: ['l'] },
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{ keys: ['Up'], type: 'keyToKey', toKeys: ['k'] },
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{ keys: ['Down'], type: 'keyToKey', toKeys: ['j'] },
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{ keys: ['Space'], type: 'keyToKey', toKeys: ['l'] },
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{ keys: ['Backspace'], type: 'keyToKey', toKeys: ['h'] },
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{ keys: ['Ctrl-Space'], type: 'keyToKey', toKeys: ['W'] },
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{ keys: ['Ctrl-Backspace'], type: 'keyToKey', toKeys: ['B'] },
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{ keys: ['Shift-Space'], type: 'keyToKey', toKeys: ['w'] },
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{ keys: ['Shift-Backspace'], type: 'keyToKey', toKeys: ['b'] },
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{ keys: ['Ctrl-n'], type: 'keyToKey', toKeys: ['j'] },
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{ keys: ['Ctrl-p'], type: 'keyToKey', toKeys: ['k'] },
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{ keys: ['Ctrl-['], type: 'keyToKey', toKeys: ['Esc'] },
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{ keys: ['Ctrl-c'], type: 'keyToKey', toKeys: ['Esc'] },
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{ keys: ['s'], type: 'keyToKey', toKeys: ['c', 'l'] },
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{ keys: ['S'], type: 'keyToKey', toKeys: ['c', 'c'] },
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{ keys: ['Home'], type: 'keyToKey', toKeys: ['0'] },
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{ keys: ['End'], type: 'keyToKey', toKeys: ['$'] },
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{ keys: ['PageUp'], type: 'keyToKey', toKeys: ['Ctrl-b'] },
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{ keys: ['PageDown'], type: 'keyToKey', toKeys: ['Ctrl-f'] },
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// Motions
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{ keys: ['H'], type: 'motion',
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motion: 'moveToTopLine',
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motionArgs: { linewise: true }},
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{ keys: ['M'], type: 'motion',
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motion: 'moveToMiddleLine',
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motionArgs: { linewise: true }},
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{ keys: ['L'], type: 'motion',
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motion: 'moveToBottomLine',
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motionArgs: { linewise: true }},
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{ keys: ['h'], type: 'motion',
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motion: 'moveByCharacters',
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motionArgs: { forward: false }},
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{ keys: ['l'], type: 'motion',
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motion: 'moveByCharacters',
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motionArgs: { forward: true }},
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{ keys: ['j'], type: 'motion',
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motion: 'moveByLines',
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motionArgs: { forward: true, linewise: true }},
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{ keys: ['k'], type: 'motion',
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motion: 'moveByLines',
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motionArgs: { forward: false, linewise: true }},
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{ keys: ['g','j'], type: 'motion',
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motion: 'moveByDisplayLines',
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motionArgs: { forward: true }},
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{ keys: ['g','k'], type: 'motion',
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motion: 'moveByDisplayLines',
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motionArgs: { forward: false }},
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{ keys: ['w'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: true, wordEnd: false }},
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{ keys: ['W'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: true, wordEnd: false, bigWord: true }},
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{ keys: ['e'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: true, wordEnd: true, inclusive: true }},
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{ keys: ['E'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: true, wordEnd: true, bigWord: true,
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inclusive: true }},
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{ keys: ['b'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: false, wordEnd: false }},
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{ keys: ['B'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: false, wordEnd: false, bigWord: true }},
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{ keys: ['g', 'e'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: false, wordEnd: true, inclusive: true }},
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{ keys: ['g', 'E'], type: 'motion',
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motion: 'moveByWords',
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motionArgs: { forward: false, wordEnd: true, bigWord: true,
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inclusive: true }},
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{ keys: ['{'], type: 'motion', motion: 'moveByParagraph',
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motionArgs: { forward: false }},
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{ keys: ['}'], type: 'motion', motion: 'moveByParagraph',
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motionArgs: { forward: true }},
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{ keys: ['Ctrl-f'], type: 'motion',
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motion: 'moveByPage', motionArgs: { forward: true }},
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{ keys: ['Ctrl-b'], type: 'motion',
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motion: 'moveByPage', motionArgs: { forward: false }},
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{ keys: ['Ctrl-d'], type: 'motion',
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motion: 'moveByScroll',
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motionArgs: { forward: true, explicitRepeat: true }},
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{ keys: ['Ctrl-u'], type: 'motion',
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motion: 'moveByScroll',
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motionArgs: { forward: false, explicitRepeat: true }},
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{ keys: ['g', 'g'], type: 'motion',
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motion: 'moveToLineOrEdgeOfDocument',
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motionArgs: { forward: false, explicitRepeat: true, linewise: true }},
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{ keys: ['G'], type: 'motion',
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motion: 'moveToLineOrEdgeOfDocument',
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motionArgs: { forward: true, explicitRepeat: true, linewise: true }},
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{ keys: ['0'], type: 'motion', motion: 'moveToStartOfLine' },
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{ keys: ['^'], type: 'motion',
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motion: 'moveToFirstNonWhiteSpaceCharacter' },
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{ keys: ['+'], type: 'motion',
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motion: 'moveByLines',
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motionArgs: { forward: true, toFirstChar:true }},
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{ keys: ['-'], type: 'motion',
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motion: 'moveByLines',
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motionArgs: { forward: false, toFirstChar:true }},
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{ keys: ['_'], type: 'motion',
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motion: 'moveByLines',
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motionArgs: { forward: true, toFirstChar:true, repeatOffset:-1 }},
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{ keys: ['$'], type: 'motion',
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motion: 'moveToEol',
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motionArgs: { inclusive: true }},
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{ keys: ['%'], type: 'motion',
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motion: 'moveToMatchedSymbol',
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motionArgs: { inclusive: true }},
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{ keys: ['f', 'character'], type: 'motion',
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motion: 'moveToCharacter',
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motionArgs: { forward: true , inclusive: true }},
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{ keys: ['F', 'character'], type: 'motion',
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motion: 'moveToCharacter',
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motionArgs: { forward: false }},
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{ keys: ['t', 'character'], type: 'motion',
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motion: 'moveTillCharacter',
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motionArgs: { forward: true, inclusive: true }},
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{ keys: ['T', 'character'], type: 'motion',
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motion: 'moveTillCharacter',
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motionArgs: { forward: false }},
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{ keys: [';'], type: 'motion', motion: 'repeatLastCharacterSearch',
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motionArgs: { forward: true }},
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{ keys: [','], type: 'motion', motion: 'repeatLastCharacterSearch',
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motionArgs: { forward: false }},
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{ keys: ['\'', 'character'], type: 'motion', motion: 'goToMark' },
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{ keys: ['`', 'character'], type: 'motion', motion: 'goToMark' },
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{ keys: [']', '`',], type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true } },
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{ keys: ['[', '`',], type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false } },
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{ keys: [']', '\''], type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true, linewise: true } },
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{ keys: ['[', '\''], type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false, linewise: true } },
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{ keys: [']', 'character'], type: 'motion',
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motion: 'moveToSymbol',
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motionArgs: { forward: true}},
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{ keys: ['[', 'character'], type: 'motion',
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motion: 'moveToSymbol',
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motionArgs: { forward: false}},
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{ keys: ['|'], type: 'motion',
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motion: 'moveToColumn',
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motionArgs: { }},
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// Operators
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{ keys: ['d'], type: 'operator', operator: 'delete' },
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{ keys: ['y'], type: 'operator', operator: 'yank' },
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{ keys: ['c'], type: 'operator', operator: 'change',
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operatorArgs: { enterInsertMode: true } },
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{ keys: ['>'], type: 'operator', operator: 'indent',
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operatorArgs: { indentRight: true }},
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{ keys: ['<'], type: 'operator', operator: 'indent',
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operatorArgs: { indentRight: false }},
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{ keys: ['g', '~'], type: 'operator', operator: 'swapcase' },
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{ keys: ['n'], type: 'motion', motion: 'findNext',
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motionArgs: { forward: true }},
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{ keys: ['N'], type: 'motion', motion: 'findNext',
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motionArgs: { forward: false }},
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// Operator-Motion dual commands
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{ keys: ['x'], type: 'operatorMotion', operator: 'delete',
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motion: 'moveByCharacters', motionArgs: { forward: true },
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operatorMotionArgs: { visualLine: false }},
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{ keys: ['X'], type: 'operatorMotion', operator: 'delete',
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motion: 'moveByCharacters', motionArgs: { forward: false },
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operatorMotionArgs: { visualLine: true }},
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{ keys: ['D'], type: 'operatorMotion', operator: 'delete',
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motion: 'moveToEol', motionArgs: { inclusive: true },
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operatorMotionArgs: { visualLine: true }},
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{ keys: ['Y'], type: 'operatorMotion', operator: 'yank',
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motion: 'moveToEol', motionArgs: { inclusive: true },
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operatorMotionArgs: { visualLine: true }},
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{ keys: ['C'], type: 'operatorMotion',
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operator: 'change', operatorArgs: { enterInsertMode: true },
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motion: 'moveToEol', motionArgs: { inclusive: true },
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operatorMotionArgs: { visualLine: true }},
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{ keys: ['~'], type: 'operatorMotion', operator: 'swapcase',
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motion: 'moveByCharacters', motionArgs: { forward: true }},
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// Actions
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{ keys: ['a'], type: 'action', action: 'enterInsertMode',
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actionArgs: { insertAt: 'charAfter' }},
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{ keys: ['A'], type: 'action', action: 'enterInsertMode',
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actionArgs: { insertAt: 'eol' }},
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{ keys: ['i'], type: 'action', action: 'enterInsertMode' },
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{ keys: ['I'], type: 'action', action: 'enterInsertMode',
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motion: 'moveToFirstNonWhiteSpaceCharacter' },
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{ keys: ['o'], type: 'action', action: 'newLineAndEnterInsertMode',
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actionArgs: { after: true }},
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{ keys: ['O'], type: 'action', action: 'newLineAndEnterInsertMode',
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actionArgs: { after: false }},
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{ keys: ['v'], type: 'action', action: 'toggleVisualMode' },
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{ keys: ['V'], type: 'action', action: 'toggleVisualMode',
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actionArgs: { linewise: true }},
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{ keys: ['J'], type: 'action', action: 'joinLines' },
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{ keys: ['p'], type: 'action', action: 'paste',
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actionArgs: { after: true }},
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{ keys: ['P'], type: 'action', action: 'paste',
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actionArgs: { after: false }},
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{ keys: ['r', 'character'], type: 'action', action: 'replace' },
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{ keys: ['u'], type: 'action', action: 'undo' },
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{ keys: ['Ctrl-r'], type: 'action', action: 'redo' },
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{ keys: ['m', 'character'], type: 'action', action: 'setMark' },
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{ keys: ['\"', 'character'], type: 'action', action: 'setRegister' },
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{ keys: ['z', 'z'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'center' }},
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{ keys: ['z', '.'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'center' },
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motion: 'moveToFirstNonWhiteSpaceCharacter' },
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{ keys: ['z', 't'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'top' }},
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{ keys: ['z', 'Enter'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'top' },
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motion: 'moveToFirstNonWhiteSpaceCharacter' },
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{ keys: ['z', '-'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'bottom' }},
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{ keys: ['z', 'b'], type: 'action', action: 'scrollToCursor',
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actionArgs: { position: 'bottom' },
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motion: 'moveToFirstNonWhiteSpaceCharacter' },
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{ keys: ['.'], type: 'action', action: 'repeatLastEdit' },
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{ keys: ['Ctrl-a'], type: 'action', action: 'incrementNumberToken',
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actionArgs: {increase: true, backtrack: false}},
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{ keys: ['Ctrl-x'], type: 'action', action: 'incrementNumberToken',
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actionArgs: {increase: false, backtrack: false}},
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// Text object motions
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{ keys: ['a', 'character'], type: 'motion',
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motion: 'textObjectManipulation' },
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{ keys: ['i', 'character'], type: 'motion',
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motion: 'textObjectManipulation',
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motionArgs: { textObjectInner: true }},
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// Search
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{ keys: ['/'], type: 'search',
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searchArgs: { forward: true, querySrc: 'prompt' }},
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{ keys: ['?'], type: 'search',
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searchArgs: { forward: false, querySrc: 'prompt' }},
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{ keys: ['*'], type: 'search',
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searchArgs: { forward: true, querySrc: 'wordUnderCursor' }},
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{ keys: ['#'], type: 'search',
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searchArgs: { forward: false, querySrc: 'wordUnderCursor' }},
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// Ex command
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{ keys: [':'], type: 'ex' }
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];
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var Vim = function() {
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var alphabetRegex = /[A-Za-z]/;
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var numberRegex = /[\d]/;
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var whiteSpaceRegex = /\s/;
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var wordRegexp = [(/\w/), (/[^\w\s]/)], bigWordRegexp = [(/\S/)];
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function makeKeyRange(start, size) {
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var keys = [];
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for (var i = start; i < start + size; i++) {
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keys.push(String.fromCharCode(i));
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}
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return keys;
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}
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var upperCaseAlphabet = makeKeyRange(65, 26);
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var lowerCaseAlphabet = makeKeyRange(97, 26);
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var numbers = makeKeyRange(48, 10);
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var SPECIAL_SYMBOLS = '~`!@#$%^&*()_-+=[{}]\\|/?.,<>:;\"\'';
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var specialSymbols = SPECIAL_SYMBOLS.split('');
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var specialKeys = ['Left', 'Right', 'Up', 'Down', 'Space', 'Backspace',
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'Esc', 'Home', 'End', 'PageUp', 'PageDown', 'Enter'];
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var validMarks = upperCaseAlphabet.concat(lowerCaseAlphabet).concat(
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numbers).concat(['<', '>']);
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var validRegisters = upperCaseAlphabet.concat(lowerCaseAlphabet).concat(
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numbers).concat('-\"'.split(''));
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function isAlphabet(k) {
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return alphabetRegex.test(k);
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}
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function isLine(cm, line) {
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return line >= cm.firstLine() && line <= cm.lastLine();
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}
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function isLowerCase(k) {
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return (/^[a-z]$/).test(k);
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}
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function isMatchableSymbol(k) {
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return '()[]{}'.indexOf(k) != -1;
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}
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function isNumber(k) {
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return numberRegex.test(k);
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}
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function isUpperCase(k) {
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return (/^[A-Z]$/).test(k);
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}
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function isAlphanumeric(k) {
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return (/^[\w]$/).test(k);
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}
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function isWhiteSpace(k) {
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return whiteSpaceRegex.test(k);
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}
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function isWhiteSpaceString(k) {
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return (/^\s*$/).test(k);
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}
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function inRangeInclusive(x, start, end) {
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return x >= start && x <= end;
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}
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function inArray(val, arr) {
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for (var i = 0; i < arr.length; i++) {
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|
|
if (arr[i] == val) {
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
// Global Vim state. Call getVimGlobalState to get and initialize.
|
|
|
var vimGlobalState;
|
|
|
function getVimGlobalState() {
|
|
|
if (!vimGlobalState) {
|
|
|
vimGlobalState = {
|
|
|
// The current search query.
|
|
|
searchQuery: null,
|
|
|
// Whether we are searching backwards.
|
|
|
searchIsReversed: false,
|
|
|
// Recording latest f, t, F or T motion command.
|
|
|
lastChararacterSearch: {increment:0, forward:true, selectedCharacter:''},
|
|
|
registerController: new RegisterController({})
|
|
|
};
|
|
|
}
|
|
|
return vimGlobalState;
|
|
|
}
|
|
|
function getVimState(cm) {
|
|
|
if (!cm.vimState) {
|
|
|
// Store instance state in the CodeMirror object.
|
|
|
cm.vimState = {
|
|
|
inputState: new InputState(),
|
|
|
// When using jk for navigation, if you move from a longer line to a
|
|
|
// shorter line, the cursor may clip to the end of the shorter line.
|
|
|
// If j is pressed again and cursor goes to the next line, the
|
|
|
// cursor should go back to its horizontal position on the longer
|
|
|
// line if it can. This is to keep track of the horizontal position.
|
|
|
lastHPos: -1,
|
|
|
// Doing the same with screen-position for gj/gk
|
|
|
lastHSPos: -1,
|
|
|
// The last motion command run. Cleared if a non-motion command gets
|
|
|
// executed in between.
|
|
|
lastMotion: null,
|
|
|
marks: {},
|
|
|
visualMode: false,
|
|
|
// If we are in visual line mode. No effect if visualMode is false.
|
|
|
visualLine: false
|
|
|
};
|
|
|
}
|
|
|
return cm.vimState;
|
|
|
}
|
|
|
|
|
|
var vimApi= {
|
|
|
buildKeyMap: function() {
|
|
|
// TODO: Convert keymap into dictionary format for fast lookup.
|
|
|
},
|
|
|
// Testing hook, though it might be useful to expose the register
|
|
|
// controller anyways.
|
|
|
getRegisterController: function() {
|
|
|
return getVimGlobalState().registerController;
|
|
|
},
|
|
|
// Testing hook.
|
|
|
clearVimGlobalState_: function() {
|
|
|
vimGlobalState = null;
|
|
|
},
|
|
|
map: function(lhs, rhs) {
|
|
|
// Add user defined key bindings.
|
|
|
exCommandDispatcher.map(lhs, rhs);
|
|
|
},
|
|
|
defineEx: function(name, prefix, func){
|
|
|
if (name.indexOf(prefix) === 0) {
|
|
|
exCommands[name]=func;
|
|
|
exCommandDispatcher.commandMap_[prefix]={name:name, shortName:prefix, type:'api'};
|
|
|
}else throw new Error("(Vim.defineEx) \""+prefix+"\" is not a prefix of \""+name+"\", command not registered");
|
|
|
},
|
|
|
// Initializes vim state variable on the CodeMirror object. Should only be
|
|
|
// called lazily by handleKey or for testing.
|
|
|
maybeInitState: function(cm) {
|
|
|
getVimState(cm);
|
|
|
},
|
|
|
// This is the outermost function called by CodeMirror, after keys have
|
|
|
// been mapped to their Vim equivalents.
|
|
|
handleKey: function(cm, key) {
|
|
|
var command;
|
|
|
var vim = getVimState(cm);
|
|
|
if (key == 'Esc') {
|
|
|
// Clear input state and get back to normal mode.
|
|
|
vim.inputState = new InputState();
|
|
|
if (vim.visualMode) {
|
|
|
exitVisualMode(cm, vim);
|
|
|
}
|
|
|
return;
|
|
|
}
|
|
|
if (vim.visualMode &&
|
|
|
cursorEqual(cm.getCursor('head'), cm.getCursor('anchor'))) {
|
|
|
// The selection was cleared. Exit visual mode.
|
|
|
exitVisualMode(cm, vim);
|
|
|
}
|
|
|
if (!vim.visualMode &&
|
|
|
!cursorEqual(cm.getCursor('head'), cm.getCursor('anchor'))) {
|
|
|
vim.visualMode = true;
|
|
|
vim.visualLine = false;
|
|
|
}
|
|
|
if (key != '0' || (key == '0' && vim.inputState.getRepeat() === 0)) {
|
|
|
// Have to special case 0 since it's both a motion and a number.
|
|
|
command = commandDispatcher.matchCommand(key, defaultKeymap, vim);
|
|
|
}
|
|
|
if (!command) {
|
|
|
if (isNumber(key)) {
|
|
|
// Increment count unless count is 0 and key is 0.
|
|
|
vim.inputState.pushRepeatDigit(key);
|
|
|
}
|
|
|
return;
|
|
|
}
|
|
|
if (command.type == 'keyToKey') {
|
|
|
// TODO: prevent infinite recursion.
|
|
|
for (var i = 0; i < command.toKeys.length; i++) {
|
|
|
this.handleKey(cm, command.toKeys[i]);
|
|
|
}
|
|
|
} else {
|
|
|
commandDispatcher.processCommand(cm, vim, command);
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
// Represents the current input state.
|
|
|
function InputState() {
|
|
|
this.prefixRepeat = [];
|
|
|
this.motionRepeat = [];
|
|
|
|
|
|
this.operator = null;
|
|
|
this.operatorArgs = null;
|
|
|
this.motion = null;
|
|
|
this.motionArgs = null;
|
|
|
this.keyBuffer = []; // For matching multi-key commands.
|
|
|
this.registerName = null; // Defaults to the unamed register.
|
|
|
}
|
|
|
InputState.prototype.pushRepeatDigit = function(n) {
|
|
|
if (!this.operator) {
|
|
|
this.prefixRepeat = this.prefixRepeat.concat(n);
|
|
|
} else {
|
|
|
this.motionRepeat = this.motionRepeat.concat(n);
|
|
|
}
|
|
|
};
|
|
|
InputState.prototype.getRepeat = function() {
|
|
|
var repeat = 0;
|
|
|
if (this.prefixRepeat.length > 0 || this.motionRepeat.length > 0) {
|
|
|
repeat = 1;
|
|
|
if (this.prefixRepeat.length > 0) {
|
|
|
repeat *= parseInt(this.prefixRepeat.join(''), 10);
|
|
|
}
|
|
|
if (this.motionRepeat.length > 0) {
|
|
|
repeat *= parseInt(this.motionRepeat.join(''), 10);
|
|
|
}
|
|
|
}
|
|
|
return repeat;
|
|
|
};
|
|
|
|
|
|
/*
|
|
|
* Register stores information about copy and paste registers. Besides
|
|
|
* text, a register must store whether it is linewise (i.e., when it is
|
|
|
* pasted, should it insert itself into a new line, or should the text be
|
|
|
* inserted at the cursor position.)
|
|
|
*/
|
|
|
function Register(text, linewise) {
|
|
|
this.clear();
|
|
|
if (text) {
|
|
|
this.set(text, linewise);
|
|
|
}
|
|
|
}
|
|
|
Register.prototype = {
|
|
|
set: function(text, linewise) {
|
|
|
this.text = text;
|
|
|
this.linewise = !!linewise;
|
|
|
},
|
|
|
append: function(text, linewise) {
|
|
|
// if this register has ever been set to linewise, use linewise.
|
|
|
if (linewise || this.linewise) {
|
|
|
this.text += '\n' + text;
|
|
|
this.linewise = true;
|
|
|
} else {
|
|
|
this.text += text;
|
|
|
}
|
|
|
},
|
|
|
clear: function() {
|
|
|
this.text = '';
|
|
|
this.linewise = false;
|
|
|
},
|
|
|
toString: function() { return this.text; }
|
|
|
};
|
|
|
|
|
|
/*
|
|
|
* vim registers allow you to keep many independent copy and paste buffers.
|
|
|
* See http://usevim.com/2012/04/13/registers/ for an introduction.
|
|
|
*
|
|
|
* RegisterController keeps the state of all the registers. An initial
|
|
|
* state may be passed in. The unnamed register '"' will always be
|
|
|
* overridden.
|
|
|
*/
|
|
|
function RegisterController(registers) {
|
|
|
this.registers = registers;
|
|
|
this.unamedRegister = registers['\"'] = new Register();
|
|
|
}
|
|
|
RegisterController.prototype = {
|
|
|
pushText: function(registerName, operator, text, linewise) {
|
|
|
// Lowercase and uppercase registers refer to the same register.
|
|
|
// Uppercase just means append.
|
|
|
var register = this.isValidRegister(registerName) ?
|
|
|
this.getRegister(registerName) : null;
|
|
|
// if no register/an invalid register was specified, things go to the
|
|
|
// default registers
|
|
|
if (!register) {
|
|
|
switch (operator) {
|
|
|
case 'yank':
|
|
|
// The 0 register contains the text from the most recent yank.
|
|
|
this.registers['0'] = new Register(text, linewise);
|
|
|
break;
|
|
|
case 'delete':
|
|
|
case 'change':
|
|
|
if (text.indexOf('\n') == -1) {
|
|
|
// Delete less than 1 line. Update the small delete register.
|
|
|
this.registers['-'] = new Register(text, linewise);
|
|
|
} else {
|
|
|
// Shift down the contents of the numbered registers and put the
|
|
|
// deleted text into register 1.
|
|
|
this.shiftNumericRegisters_();
|
|
|
this.registers['1'] = new Register(text, linewise);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
// Make sure the unnamed register is set to what just happened
|
|
|
this.unamedRegister.set(text, linewise);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// If we've gotten to this point, we've actually specified a register
|
|
|
var append = isUpperCase(registerName);
|
|
|
if (append) {
|
|
|
register.append(text, linewise);
|
|
|
// The unamed register always has the same value as the last used
|
|
|
// register.
|
|
|
this.unamedRegister.append(text, linewise);
|
|
|
} else {
|
|
|
register.set(text, linewise);
|
|
|
this.unamedRegister.set(text, linewise);
|
|
|
}
|
|
|
},
|
|
|
// Gets the register named @name. If one of @name doesn't already exist,
|
|
|
// create it. If @name is invalid, return the unamedRegister.
|
|
|
getRegister: function(name) {
|
|
|
if (!this.isValidRegister(name)) {
|
|
|
return this.unamedRegister;
|
|
|
}
|
|
|
name = name.toLowerCase();
|
|
|
if (!this.registers[name]) {
|
|
|
this.registers[name] = new Register();
|
|
|
}
|
|
|
return this.registers[name];
|
|
|
},
|
|
|
isValidRegister: function(name) {
|
|
|
return name && inArray(name, validRegisters);
|
|
|
},
|
|
|
shiftNumericRegisters_: function() {
|
|
|
for (var i = 9; i >= 2; i--) {
|
|
|
this.registers[i] = this.getRegister('' + (i - 1));
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var commandDispatcher = {
|
|
|
matchCommand: function(key, keyMap, vim) {
|
|
|
var inputState = vim.inputState;
|
|
|
var keys = inputState.keyBuffer.concat(key);
|
|
|
for (var i = 0; i < keyMap.length; i++) {
|
|
|
var command = keyMap[i];
|
|
|
if (matchKeysPartial(keys, command.keys)) {
|
|
|
if (keys.length < command.keys.length) {
|
|
|
// Matches part of a multi-key command. Buffer and wait for next
|
|
|
// stroke.
|
|
|
inputState.keyBuffer.push(key);
|
|
|
return null;
|
|
|
} else {
|
|
|
if (inputState.operator && command.type == 'action') {
|
|
|
// Ignore matched action commands after an operator. Operators
|
|
|
// only operate on motions. This check is really for text
|
|
|
// objects since aW, a[ etcs conflicts with a.
|
|
|
continue;
|
|
|
}
|
|
|
// Matches whole comand. Return the command.
|
|
|
if (command.keys[keys.length - 1] == 'character') {
|
|
|
inputState.selectedCharacter = keys[keys.length - 1];
|
|
|
if(inputState.selectedCharacter.length>1){
|
|
|
switch(inputState.selectedCharacter){
|
|
|
case "Enter":
|
|
|
inputState.selectedCharacter='\n';
|
|
|
break;
|
|
|
case "Space":
|
|
|
inputState.selectedCharacter=' ';
|
|
|
break;
|
|
|
default:
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
inputState.keyBuffer = [];
|
|
|
return command;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
// Clear the buffer since there are no partial matches.
|
|
|
inputState.keyBuffer = [];
|
|
|
return null;
|
|
|
},
|
|
|
processCommand: function(cm, vim, command) {
|
|
|
vim.inputState.repeatOverride = command.repeatOverride;
|
|
|
switch (command.type) {
|
|
|
case 'motion':
|
|
|
this.processMotion(cm, vim, command);
|
|
|
break;
|
|
|
case 'operator':
|
|
|
this.processOperator(cm, vim, command);
|
|
|
break;
|
|
|
case 'operatorMotion':
|
|
|
this.processOperatorMotion(cm, vim, command);
|
|
|
break;
|
|
|
case 'action':
|
|
|
this.processAction(cm, vim, command);
|
|
|
break;
|
|
|
case 'search':
|
|
|
this.processSearch(cm, vim, command);
|
|
|
break;
|
|
|
case 'ex':
|
|
|
case 'keyToEx':
|
|
|
this.processEx(cm, vim, command);
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
},
|
|
|
processMotion: function(cm, vim, command) {
|
|
|
vim.inputState.motion = command.motion;
|
|
|
vim.inputState.motionArgs = copyArgs(command.motionArgs);
|
|
|
this.evalInput(cm, vim);
|
|
|
},
|
|
|
processOperator: function(cm, vim, command) {
|
|
|
var inputState = vim.inputState;
|
|
|
if (inputState.operator) {
|
|
|
if (inputState.operator == command.operator) {
|
|
|
// Typing an operator twice like 'dd' makes the operator operate
|
|
|
// linewise
|
|
|
inputState.motion = 'expandToLine';
|
|
|
inputState.motionArgs = { linewise: true };
|
|
|
this.evalInput(cm, vim);
|
|
|
return;
|
|
|
} else {
|
|
|
// 2 different operators in a row doesn't make sense.
|
|
|
vim.inputState = new InputState();
|
|
|
}
|
|
|
}
|
|
|
inputState.operator = command.operator;
|
|
|
inputState.operatorArgs = copyArgs(command.operatorArgs);
|
|
|
if (vim.visualMode) {
|
|
|
// Operating on a selection in visual mode. We don't need a motion.
|
|
|
this.evalInput(cm, vim);
|
|
|
}
|
|
|
},
|
|
|
processOperatorMotion: function(cm, vim, command) {
|
|
|
var visualMode = vim.visualMode;
|
|
|
var operatorMotionArgs = copyArgs(command.operatorMotionArgs);
|
|
|
if (operatorMotionArgs) {
|
|
|
// Operator motions may have special behavior in visual mode.
|
|
|
if (visualMode && operatorMotionArgs.visualLine) {
|
|
|
vim.visualLine = true;
|
|
|
}
|
|
|
}
|
|
|
this.processOperator(cm, vim, command);
|
|
|
if (!visualMode) {
|
|
|
this.processMotion(cm, vim, command);
|
|
|
}
|
|
|
},
|
|
|
processAction: function(cm, vim, command) {
|
|
|
var inputState = vim.inputState;
|
|
|
var repeat = inputState.getRepeat();
|
|
|
var repeatIsExplicit = !!repeat;
|
|
|
var actionArgs = copyArgs(command.actionArgs) || {};
|
|
|
if (inputState.selectedCharacter) {
|
|
|
actionArgs.selectedCharacter = inputState.selectedCharacter;
|
|
|
}
|
|
|
// Actions may or may not have motions and operators. Do these first.
|
|
|
if (command.operator) {
|
|
|
this.processOperator(cm, vim, command);
|
|
|
}
|
|
|
if (command.motion) {
|
|
|
this.processMotion(cm, vim, command);
|
|
|
}
|
|
|
if (command.motion || command.operator) {
|
|
|
this.evalInput(cm, vim);
|
|
|
}
|
|
|
actionArgs.repeat = repeat || 1;
|
|
|
actionArgs.repeatIsExplicit = repeatIsExplicit;
|
|
|
actionArgs.registerName = inputState.registerName;
|
|
|
vim.inputState = new InputState();
|
|
|
vim.lastMotion = null,
|
|
|
actions[command.action](cm, actionArgs, vim);
|
|
|
},
|
|
|
processSearch: function(cm, vim, command) {
|
|
|
if (!cm.getSearchCursor) {
|
|
|
// Search depends on SearchCursor.
|
|
|
return;
|
|
|
}
|
|
|
var forward = command.searchArgs.forward;
|
|
|
getSearchState(cm).setReversed(!forward);
|
|
|
var promptPrefix = (forward) ? '/' : '?';
|
|
|
var originalQuery = getSearchState(cm).getQuery();
|
|
|
var originalScrollPos = cm.getScrollInfo();
|
|
|
function handleQuery(query, ignoreCase, smartCase) {
|
|
|
try {
|
|
|
updateSearchQuery(cm, query, ignoreCase, smartCase);
|
|
|
} catch (e) {
|
|
|
showConfirm(cm, 'Invalid regex: ' + regexPart);
|
|
|
return;
|
|
|
}
|
|
|
commandDispatcher.processMotion(cm, vim, {
|
|
|
type: 'motion',
|
|
|
motion: 'findNext',
|
|
|
motionArgs: { forward: true }
|
|
|
});
|
|
|
}
|
|
|
function onPromptClose(query) {
|
|
|
cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
|
|
|
handleQuery(query, true /** ignoreCase */, true /** smartCase */);
|
|
|
}
|
|
|
function onPromptKeyUp(e, query) {
|
|
|
var parsedQuery;
|
|
|
try {
|
|
|
parsedQuery = updateSearchQuery(cm, query,
|
|
|
true /** ignoreCase */, true /** smartCase */)
|
|
|
} catch (e) {
|
|
|
// Swallow bad regexes for incremental search.
|
|
|
}
|
|
|
if (parsedQuery) {
|
|
|
cm.scrollIntoView(findNext(cm, !forward, parsedQuery), 30);
|
|
|
} else {
|
|
|
clearSearchHighlight(cm);
|
|
|
cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
|
|
|
}
|
|
|
}
|
|
|
function onPromptKeyDown(e, query, close) {
|
|
|
var keyName = CodeMirror.keyName(e);
|
|
|
if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[') {
|
|
|
updateSearchQuery(cm, originalQuery);
|
|
|
clearSearchHighlight(cm);
|
|
|
cm.scrollTo(originalScrollPos.left, originalScrollPos.top);
|
|
|
|
|
|
CodeMirror.e_stop(e);
|
|
|
close();
|
|
|
cm.focus();
|
|
|
}
|
|
|
}
|
|
|
switch (command.searchArgs.querySrc) {
|
|
|
case 'prompt':
|
|
|
showPrompt(cm, {
|
|
|
onClose: onPromptClose,
|
|
|
prefix: promptPrefix,
|
|
|
desc: searchPromptDesc,
|
|
|
onKeyUp: onPromptKeyUp,
|
|
|
onKeyDown: onPromptKeyDown
|
|
|
});
|
|
|
break;
|
|
|
case 'wordUnderCursor':
|
|
|
var word = expandWordUnderCursor(cm, false /** inclusive */,
|
|
|
true /** forward */, false /** bigWord */,
|
|
|
true /** noSymbol */);
|
|
|
var isKeyword = true;
|
|
|
if (!word) {
|
|
|
word = expandWordUnderCursor(cm, false /** inclusive */,
|
|
|
true /** forward */, false /** bigWord */,
|
|
|
false /** noSymbol */);
|
|
|
isKeyword = false;
|
|
|
}
|
|
|
if (!word) {
|
|
|
return;
|
|
|
}
|
|
|
var query = cm.getLine(word.start.line).substring(word.start.ch,
|
|
|
word.end.ch + 1);
|
|
|
if (isKeyword) {
|
|
|
query = '\\b' + query + '\\b';
|
|
|
} else {
|
|
|
query = escapeRegex(query);
|
|
|
}
|
|
|
cm.setCursor(word.start);
|
|
|
handleQuery(query, true /** ignoreCase */, false /** smartCase */);
|
|
|
break;
|
|
|
}
|
|
|
},
|
|
|
processEx: function(cm, vim, command) {
|
|
|
function onPromptClose(input) {
|
|
|
exCommandDispatcher.processCommand(cm, input);
|
|
|
}
|
|
|
function onPromptKeyDown(e, input, close) {
|
|
|
var keyName = CodeMirror.keyName(e);
|
|
|
if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[') {
|
|
|
CodeMirror.e_stop(e);
|
|
|
close();
|
|
|
cm.focus();
|
|
|
}
|
|
|
}
|
|
|
if (command.type == 'keyToEx') {
|
|
|
// Handle user defined Ex to Ex mappings
|
|
|
exCommandDispatcher.processCommand(cm, command.exArgs.input);
|
|
|
} else {
|
|
|
if (vim.visualMode) {
|
|
|
showPrompt(cm, { onClose: onPromptClose, prefix: ':', value: '\'<,\'>',
|
|
|
onKeyDown: onPromptKeyDown});
|
|
|
} else {
|
|
|
showPrompt(cm, { onClose: onPromptClose, prefix: ':',
|
|
|
onKeyDown: onPromptKeyDown});
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
evalInput: function(cm, vim) {
|
|
|
// If the motion comand is set, execute both the operator and motion.
|
|
|
// Otherwise return.
|
|
|
var inputState = vim.inputState;
|
|
|
var motion = inputState.motion;
|
|
|
var motionArgs = inputState.motionArgs || {};
|
|
|
var operator = inputState.operator;
|
|
|
var operatorArgs = inputState.operatorArgs || {};
|
|
|
var registerName = inputState.registerName;
|
|
|
var selectionEnd = cm.getCursor('head');
|
|
|
var selectionStart = cm.getCursor('anchor');
|
|
|
// The difference between cur and selection cursors are that cur is
|
|
|
// being operated on and ignores that there is a selection.
|
|
|
var curStart = copyCursor(selectionEnd);
|
|
|
var curOriginal = copyCursor(curStart);
|
|
|
var curEnd;
|
|
|
var repeat;
|
|
|
if (operator) {
|
|
|
this.recordLastEdit(cm, vim, inputState);
|
|
|
}
|
|
|
if (inputState.repeatOverride !== undefined) {
|
|
|
// If repeatOverride is specified, that takes precedence over the
|
|
|
// input state's repeat. Used by Ex mode and can be user defined.
|
|
|
repeat = inputState.repeatOverride;
|
|
|
} else {
|
|
|
repeat = inputState.getRepeat();
|
|
|
}
|
|
|
if (repeat > 0 && motionArgs.explicitRepeat) {
|
|
|
motionArgs.repeatIsExplicit = true;
|
|
|
} else if (motionArgs.noRepeat ||
|
|
|
(!motionArgs.explicitRepeat && repeat === 0)) {
|
|
|
repeat = 1;
|
|
|
motionArgs.repeatIsExplicit = false;
|
|
|
}
|
|
|
if (inputState.selectedCharacter) {
|
|
|
// If there is a character input, stick it in all of the arg arrays.
|
|
|
motionArgs.selectedCharacter = operatorArgs.selectedCharacter =
|
|
|
inputState.selectedCharacter;
|
|
|
}
|
|
|
motionArgs.repeat = repeat;
|
|
|
vim.inputState = new InputState();
|
|
|
if (motion) {
|
|
|
var motionResult = motions[motion](cm, motionArgs, vim);
|
|
|
vim.lastMotion = motions[motion];
|
|
|
if (!motionResult) {
|
|
|
return;
|
|
|
}
|
|
|
if (motionResult instanceof Array) {
|
|
|
curStart = motionResult[0];
|
|
|
curEnd = motionResult[1];
|
|
|
} else {
|
|
|
curEnd = motionResult;
|
|
|
}
|
|
|
// TODO: Handle null returns from motion commands better.
|
|
|
if (!curEnd) {
|
|
|
curEnd = { ch: curStart.ch, line: curStart.line };
|
|
|
}
|
|
|
if (vim.visualMode) {
|
|
|
// Check if the selection crossed over itself. Will need to shift
|
|
|
// the start point if that happened.
|
|
|
if (cursorIsBefore(selectionStart, selectionEnd) &&
|
|
|
(cursorEqual(selectionStart, curEnd) ||
|
|
|
cursorIsBefore(curEnd, selectionStart))) {
|
|
|
// The end of the selection has moved from after the start to
|
|
|
// before the start. We will shift the start right by 1.
|
|
|
selectionStart.ch += 1;
|
|
|
} else if (cursorIsBefore(selectionEnd, selectionStart) &&
|
|
|
(cursorEqual(selectionStart, curEnd) ||
|
|
|
cursorIsBefore(selectionStart, curEnd))) {
|
|
|
// The opposite happened. We will shift the start left by 1.
|
|
|
selectionStart.ch -= 1;
|
|
|
}
|
|
|
selectionEnd = curEnd;
|
|
|
if (vim.visualLine) {
|
|
|
if (cursorIsBefore(selectionStart, selectionEnd)) {
|
|
|
selectionStart.ch = 0;
|
|
|
selectionEnd.ch = lineLength(cm, selectionEnd.line);
|
|
|
} else {
|
|
|
selectionEnd.ch = 0;
|
|
|
selectionStart.ch = lineLength(cm, selectionStart.line);
|
|
|
}
|
|
|
}
|
|
|
cm.setSelection(selectionStart, selectionEnd);
|
|
|
updateMark(cm, vim, '<',
|
|
|
cursorIsBefore(selectionStart, selectionEnd) ? selectionStart
|
|
|
: selectionEnd);
|
|
|
updateMark(cm, vim, '>',
|
|
|
cursorIsBefore(selectionStart, selectionEnd) ? selectionEnd
|
|
|
: selectionStart);
|
|
|
} else if (!operator) {
|
|
|
curEnd = clipCursorToContent(cm, curEnd);
|
|
|
cm.setCursor(curEnd.line, curEnd.ch);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (operator) {
|
|
|
var inverted = false;
|
|
|
vim.lastMotion = null;
|
|
|
operatorArgs.repeat = repeat; // Indent in visual mode needs this.
|
|
|
if (vim.visualMode) {
|
|
|
curStart = selectionStart;
|
|
|
curEnd = selectionEnd;
|
|
|
motionArgs.inclusive = true;
|
|
|
}
|
|
|
// Swap start and end if motion was backward.
|
|
|
if (cursorIsBefore(curEnd, curStart)) {
|
|
|
var tmp = curStart;
|
|
|
curStart = curEnd;
|
|
|
curEnd = tmp;
|
|
|
inverted = true;
|
|
|
}
|
|
|
if (motionArgs.inclusive && !(vim.visualMode && inverted)) {
|
|
|
// Move the selection end one to the right to include the last
|
|
|
// character.
|
|
|
curEnd.ch++;
|
|
|
}
|
|
|
var linewise = motionArgs.linewise ||
|
|
|
(vim.visualMode && vim.visualLine);
|
|
|
if (linewise) {
|
|
|
// Expand selection to entire line.
|
|
|
expandSelectionToLine(cm, curStart, curEnd);
|
|
|
} else if (motionArgs.forward) {
|
|
|
// Clip to trailing newlines only if we the motion goes forward.
|
|
|
clipToLine(cm, curStart, curEnd);
|
|
|
}
|
|
|
operatorArgs.registerName = registerName;
|
|
|
// Keep track of linewise as it affects how paste and change behave.
|
|
|
operatorArgs.linewise = linewise;
|
|
|
operators[operator](cm, operatorArgs, vim, curStart,
|
|
|
curEnd, curOriginal);
|
|
|
if (vim.visualMode) {
|
|
|
exitVisualMode(cm, vim);
|
|
|
}
|
|
|
if (operatorArgs.enterInsertMode) {
|
|
|
actions.enterInsertMode(cm);
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
recordLastEdit: function(cm, vim, inputState) {
|
|
|
vim.lastEdit = inputState;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* typedef {Object{line:number,ch:number}} Cursor An object containing the
|
|
|
* position of the cursor.
|
|
|
*/
|
|
|
// All of the functions below return Cursor objects.
|
|
|
var motions = {
|
|
|
moveToTopLine: function(cm, motionArgs) {
|
|
|
var line = getUserVisibleLines(cm).top + motionArgs.repeat -1;
|
|
|
return { line: line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(line)) };
|
|
|
},
|
|
|
moveToMiddleLine: function(cm) {
|
|
|
var range = getUserVisibleLines(cm);
|
|
|
var line = Math.floor((range.top + range.bottom) * 0.5);
|
|
|
return { line: line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(line)) };
|
|
|
},
|
|
|
moveToBottomLine: function(cm, motionArgs) {
|
|
|
var line = getUserVisibleLines(cm).bottom - motionArgs.repeat +1;
|
|
|
return { line: line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(line)) };
|
|
|
},
|
|
|
expandToLine: function(cm, motionArgs) {
|
|
|
// Expands forward to end of line, and then to next line if repeat is
|
|
|
// >1. Does not handle backward motion!
|
|
|
var cur = cm.getCursor();
|
|
|
return { line: cur.line + motionArgs.repeat - 1, ch: Infinity };
|
|
|
},
|
|
|
findNext: function(cm, motionArgs, vim) {
|
|
|
var state = getSearchState(cm);
|
|
|
var query = state.getQuery();
|
|
|
if (!query) {
|
|
|
return;
|
|
|
}
|
|
|
var prev = !motionArgs.forward;
|
|
|
// If search is initiated with ? instead of /, negate direction.
|
|
|
prev = (state.isReversed()) ? !prev : prev;
|
|
|
highlightSearchMatches(cm, query);
|
|
|
return findNext(cm, prev/** prev */, query, motionArgs.repeat);
|
|
|
},
|
|
|
goToMark: function(cm, motionArgs, vim) {
|
|
|
var mark = vim.marks[motionArgs.selectedCharacter];
|
|
|
if (mark) {
|
|
|
return mark.find();
|
|
|
}
|
|
|
return null;
|
|
|
},
|
|
|
jumpToMark: function(cm, motionArgs, vim) {
|
|
|
var best = cm.getCursor();
|
|
|
for (var i = 0; i < motionArgs.repeat; i++) {
|
|
|
var cursor = best;
|
|
|
for (var key in vim.marks) {
|
|
|
if (!isLowerCase(key)) {
|
|
|
continue;
|
|
|
}
|
|
|
var mark = vim.marks[key].find();
|
|
|
var isWrongDirection = (motionArgs.forward) ?
|
|
|
cursorIsBefore(mark, cursor) : cursorIsBefore(cursor, mark)
|
|
|
|
|
|
if (isWrongDirection) {
|
|
|
continue;
|
|
|
}
|
|
|
if (motionArgs.linewise && (mark.line == cursor.line)) {
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
var equal = cursorEqual(cursor, best);
|
|
|
var between = (motionArgs.forward) ?
|
|
|
cusrorIsBetween(cursor, mark, best) :
|
|
|
cusrorIsBetween(best, mark, cursor);
|
|
|
|
|
|
if (equal || between) {
|
|
|
best = mark;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (motionArgs.linewise) {
|
|
|
// Vim places the cursor on the first non-whitespace character of
|
|
|
// the line if there is one, else it places the cursor at the end
|
|
|
// of the line, regardless of whether a mark was found.
|
|
|
best.ch = findFirstNonWhiteSpaceCharacter(cm.getLine(best.line));
|
|
|
}
|
|
|
return best;
|
|
|
},
|
|
|
moveByCharacters: function(cm, motionArgs) {
|
|
|
var cur = cm.getCursor();
|
|
|
var repeat = motionArgs.repeat;
|
|
|
var ch = motionArgs.forward ? cur.ch + repeat : cur.ch - repeat;
|
|
|
return { line: cur.line, ch: ch };
|
|
|
},
|
|
|
moveByLines: function(cm, motionArgs, vim) {
|
|
|
var cur = cm.getCursor();
|
|
|
var endCh = cur.ch;
|
|
|
// Depending what our last motion was, we may want to do different
|
|
|
// things. If our last motion was moving vertically, we want to
|
|
|
// preserve the HPos from our last horizontal move. If our last motion
|
|
|
// was going to the end of a line, moving vertically we should go to
|
|
|
// the end of the line, etc.
|
|
|
switch (vim.lastMotion) {
|
|
|
case this.moveByLines:
|
|
|
case this.moveByDisplayLines:
|
|
|
case this.moveByScroll:
|
|
|
case this.moveToColumn:
|
|
|
case this.moveToEol:
|
|
|
endCh = vim.lastHPos;
|
|
|
break;
|
|
|
default:
|
|
|
vim.lastHPos = endCh;
|
|
|
}
|
|
|
var repeat = motionArgs.repeat+(motionArgs.repeatOffset||0);
|
|
|
var line = motionArgs.forward ? cur.line + repeat : cur.line - repeat;
|
|
|
if (line < cm.firstLine() || line > cm.lastLine() ) {
|
|
|
return null;
|
|
|
}
|
|
|
if(motionArgs.toFirstChar){
|
|
|
endCh=findFirstNonWhiteSpaceCharacter(cm.getLine(line));
|
|
|
vim.lastHPos = endCh;
|
|
|
}
|
|
|
vim.lastHSPos = cm.charCoords({line:line, ch:endCh},"div").left;
|
|
|
return { line: line, ch: endCh };
|
|
|
},
|
|
|
moveByDisplayLines: function(cm, motionArgs, vim) {
|
|
|
var cur = cm.getCursor();
|
|
|
switch (vim.lastMotion) {
|
|
|
case this.moveByDisplayLines:
|
|
|
case this.moveByScroll:
|
|
|
case this.moveByLines:
|
|
|
case this.moveToColumn:
|
|
|
case this.moveToEol:
|
|
|
break;
|
|
|
default:
|
|
|
vim.lastHSPos = cm.charCoords(cur,"div").left;
|
|
|
}
|
|
|
var repeat = motionArgs.repeat;
|
|
|
var res=cm.findPosV(cur,(motionArgs.forward ? repeat : -repeat),"line",vim.lastHSPos);
|
|
|
if (res.hitSide) {
|
|
|
if (motionArgs.forward) {
|
|
|
var lastCharCoords = cm.charCoords(res, 'div');
|
|
|
var goalCoords = { top: lastCharCoords.top + 8, left: vim.lastHSPos };
|
|
|
var res = cm.coordsChar(goalCoords, 'div');
|
|
|
} else {
|
|
|
var resCoords = cm.charCoords({ line: cm.firstLine(), ch: 0}, 'div');
|
|
|
resCoords.left = vim.lastHSPos;
|
|
|
res = cm.coordsChar(resCoords, 'div');
|
|
|
}
|
|
|
}
|
|
|
vim.lastHPos = res.ch;
|
|
|
return res;
|
|
|
},
|
|
|
moveByPage: function(cm, motionArgs) {
|
|
|
// CodeMirror only exposes functions that move the cursor page down, so
|
|
|
// doing this bad hack to move the cursor and move it back. evalInput
|
|
|
// will move the cursor to where it should be in the end.
|
|
|
var curStart = cm.getCursor();
|
|
|
var repeat = motionArgs.repeat;
|
|
|
cm.moveV((motionArgs.forward ? repeat : -repeat), 'page');
|
|
|
var curEnd = cm.getCursor();
|
|
|
cm.setCursor(curStart);
|
|
|
return curEnd;
|
|
|
},
|
|
|
moveByParagraph: function(cm, motionArgs) {
|
|
|
var line = cm.getCursor().line;
|
|
|
var repeat = motionArgs.repeat;
|
|
|
var inc = motionArgs.forward ? 1 : -1;
|
|
|
for (var i = 0; i < repeat; i++) {
|
|
|
if ((!motionArgs.forward && line === cm.firstLine() ) ||
|
|
|
(motionArgs.forward && line == cm.lastLine())) {
|
|
|
break;
|
|
|
}
|
|
|
line += inc;
|
|
|
while (line !== cm.firstLine() && line != cm.lastLine() && cm.getLine(line)) {
|
|
|
line += inc;
|
|
|
}
|
|
|
}
|
|
|
return { line: line, ch: 0 };
|
|
|
},
|
|
|
moveByScroll: function(cm, motionArgs, vim) {
|
|
|
var globalState = getVimGlobalState();
|
|
|
var scrollbox = cm.getScrollInfo();
|
|
|
var curEnd = null;
|
|
|
var repeat = motionArgs.repeat;
|
|
|
if (!repeat) {
|
|
|
repeat = scrollbox.clientHeight / (2 * cm.defaultTextHeight());
|
|
|
}
|
|
|
var orig = cm.charCoords(cm.getCursor(), 'local');
|
|
|
motionArgs.repeat = repeat;
|
|
|
var curEnd = motions.moveByDisplayLines(cm, motionArgs, vim);
|
|
|
if (!curEnd) {
|
|
|
return null;
|
|
|
}
|
|
|
var dest = cm.charCoords(curEnd, 'local');
|
|
|
cm.scrollTo(null, scrollbox.top + dest.top - orig.top);
|
|
|
return curEnd;
|
|
|
},
|
|
|
moveByWords: function(cm, motionArgs) {
|
|
|
return moveToWord(cm, motionArgs.repeat, !!motionArgs.forward,
|
|
|
!!motionArgs.wordEnd, !!motionArgs.bigWord);
|
|
|
},
|
|
|
moveTillCharacter: function(cm, motionArgs) {
|
|
|
var repeat = motionArgs.repeat;
|
|
|
var curEnd = moveToCharacter(cm, repeat, motionArgs.forward,
|
|
|
motionArgs.selectedCharacter);
|
|
|
var increment = motionArgs.forward ? -1 : 1;
|
|
|
recordLastCharacterSearch(increment, motionArgs);
|
|
|
if(!curEnd)return cm.getCursor();
|
|
|
curEnd.ch += increment;
|
|
|
return curEnd;
|
|
|
},
|
|
|
moveToCharacter: function(cm, motionArgs) {
|
|
|
var repeat = motionArgs.repeat;
|
|
|
recordLastCharacterSearch(0, motionArgs);
|
|
|
return moveToCharacter(cm, repeat, motionArgs.forward,
|
|
|
motionArgs.selectedCharacter) || cm.getCursor();
|
|
|
},
|
|
|
moveToSymbol: function(cm, motionArgs) {
|
|
|
var repeat = motionArgs.repeat;
|
|
|
return findSymbol(cm, repeat, motionArgs.forward,
|
|
|
motionArgs.selectedCharacter) || cm.getCursor();
|
|
|
},
|
|
|
moveToColumn: function(cm, motionArgs, vim) {
|
|
|
var repeat = motionArgs.repeat;
|
|
|
// repeat is equivalent to which column we want to move to!
|
|
|
vim.lastHPos = repeat - 1;
|
|
|
vim.lastHSPos = cm.charCoords(cm.getCursor(),"div").left;
|
|
|
return moveToColumn(cm, repeat);
|
|
|
},
|
|
|
moveToEol: function(cm, motionArgs, vim) {
|
|
|
var cur = cm.getCursor();
|
|
|
vim.lastHPos = Infinity;
|
|
|
var retval={ line: cur.line + motionArgs.repeat - 1, ch: Infinity }
|
|
|
var end=cm.clipPos(retval);
|
|
|
end.ch--;
|
|
|
vim.lastHSPos = cm.charCoords(end,"div").left;
|
|
|
return retval;
|
|
|
},
|
|
|
moveToFirstNonWhiteSpaceCharacter: function(cm) {
|
|
|
// Go to the start of the line where the text begins, or the end for
|
|
|
// whitespace-only lines
|
|
|
var cursor = cm.getCursor();
|
|
|
return { line: cursor.line,
|
|
|
ch: findFirstNonWhiteSpaceCharacter(cm.getLine(cursor.line)) };
|
|
|
},
|
|
|
moveToMatchedSymbol: function(cm, motionArgs) {
|
|
|
var cursor = cm.getCursor();
|
|
|
var symbol = cm.getLine(cursor.line).charAt(cursor.ch);
|
|
|
if (isMatchableSymbol(symbol)) {
|
|
|
return findMatchedSymbol(cm, cm.getCursor(), motionArgs.symbol);
|
|
|
} else {
|
|
|
return cursor;
|
|
|
}
|
|
|
},
|
|
|
moveToStartOfLine: function(cm) {
|
|
|
var cursor = cm.getCursor();
|
|
|
return { line: cursor.line, ch: 0 };
|
|
|
},
|
|
|
moveToLineOrEdgeOfDocument: function(cm, motionArgs) {
|
|
|
var lineNum = motionArgs.forward ? cm.lastLine() : cm.firstLine();
|
|
|
if (motionArgs.repeatIsExplicit) {
|
|
|
lineNum = motionArgs.repeat - cm.getOption('firstLineNumber');
|
|
|
}
|
|
|
return { line: lineNum,
|
|
|
ch: findFirstNonWhiteSpaceCharacter(cm.getLine(lineNum)) };
|
|
|
},
|
|
|
textObjectManipulation: function(cm, motionArgs) {
|
|
|
var character = motionArgs.selectedCharacter;
|
|
|
// Inclusive is the difference between a and i
|
|
|
// TODO: Instead of using the additional text object map to perform text
|
|
|
// object operations, merge the map into the defaultKeyMap and use
|
|
|
// motionArgs to define behavior. Define separate entries for 'aw',
|
|
|
// 'iw', 'a[', 'i[', etc.
|
|
|
var inclusive = !motionArgs.textObjectInner;
|
|
|
if (!textObjects[character]) {
|
|
|
// No text object defined for this, don't move.
|
|
|
return null;
|
|
|
}
|
|
|
var tmp = textObjects[character](cm, inclusive);
|
|
|
var start = tmp.start;
|
|
|
var end = tmp.end;
|
|
|
return [start, end];
|
|
|
},
|
|
|
repeatLastCharacterSearch: function(cm, motionArgs) {
|
|
|
var lastSearch = getVimGlobalState().lastChararacterSearch;
|
|
|
var repeat = motionArgs.repeat;
|
|
|
var forward = motionArgs.forward === lastSearch.forward;
|
|
|
var increment = (lastSearch.increment ? 1 : 0) * (forward ? -1 : 1);
|
|
|
cm.moveH(-increment, 'char');
|
|
|
motionArgs.inclusive = forward ? true : false;
|
|
|
var curEnd = moveToCharacter(cm, repeat, forward, lastSearch.selectedCharacter);
|
|
|
if (!curEnd) {
|
|
|
cm.moveH(increment, 'char')
|
|
|
return cm.getCursor();
|
|
|
}
|
|
|
curEnd.ch += increment;
|
|
|
return curEnd;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var operators = {
|
|
|
change: function(cm, operatorArgs, vim, curStart, curEnd) {
|
|
|
getVimGlobalState().registerController.pushText(
|
|
|
operatorArgs.registerName, 'change', cm.getRange(curStart, curEnd),
|
|
|
operatorArgs.linewise);
|
|
|
if (operatorArgs.linewise) {
|
|
|
// Delete starting at the first nonwhitespace character of the first
|
|
|
// line, instead of from the start of the first line. This way we get
|
|
|
// an indent when we get into insert mode. This behavior isn't quite
|
|
|
// correct because we should treat this as a completely new line, and
|
|
|
// indent should be whatever codemirror thinks is the right indent.
|
|
|
// But cm.indentLine doesn't seem work on empty lines.
|
|
|
// TODO: Fix the above.
|
|
|
curStart.ch =
|
|
|
findFirstNonWhiteSpaceCharacter(cm.getLine(curStart.line));
|
|
|
// Insert an additional newline so that insert mode can start there.
|
|
|
// curEnd should be on the first character of the new line.
|
|
|
cm.replaceRange('\n', curStart, curEnd);
|
|
|
} else {
|
|
|
cm.replaceRange('', curStart, curEnd);
|
|
|
}
|
|
|
cm.setCursor(curStart);
|
|
|
},
|
|
|
// delete is a javascript keyword.
|
|
|
'delete': function(cm, operatorArgs, vim, curStart, curEnd) {
|
|
|
getVimGlobalState().registerController.pushText(
|
|
|
operatorArgs.registerName, 'delete', cm.getRange(curStart, curEnd),
|
|
|
operatorArgs.linewise);
|
|
|
cm.replaceRange('', curStart, curEnd);
|
|
|
if (operatorArgs.linewise) {
|
|
|
cm.setCursor(motions.moveToFirstNonWhiteSpaceCharacter(cm));
|
|
|
} else {
|
|
|
cm.setCursor(curStart);
|
|
|
}
|
|
|
},
|
|
|
indent: function(cm, operatorArgs, vim, curStart, curEnd) {
|
|
|
var startLine = curStart.line;
|
|
|
var endLine = curEnd.line;
|
|
|
// In visual mode, n> shifts the selection right n times, instead of
|
|
|
// shifting n lines right once.
|
|
|
var repeat = (vim.visualMode) ? operatorArgs.repeat : 1;
|
|
|
if (operatorArgs.linewise) {
|
|
|
// The only way to delete a newline is to delete until the start of
|
|
|
// the next line, so in linewise mode evalInput will include the next
|
|
|
// line. We don't want this in indent, so we go back a line.
|
|
|
endLine--;
|
|
|
}
|
|
|
for (var i = startLine; i <= endLine; i++) {
|
|
|
for (var j = 0; j < repeat; j++) {
|
|
|
cm.indentLine(i, operatorArgs.indentRight);
|
|
|
}
|
|
|
}
|
|
|
cm.setCursor(curStart);
|
|
|
cm.setCursor(motions.moveToFirstNonWhiteSpaceCharacter(cm));
|
|
|
},
|
|
|
swapcase: function(cm, operatorArgs, vim, curStart, curEnd, curOriginal) {
|
|
|
var toSwap = cm.getRange(curStart, curEnd);
|
|
|
var swapped = '';
|
|
|
for (var i = 0; i < toSwap.length; i++) {
|
|
|
var character = toSwap.charAt(i);
|
|
|
swapped += isUpperCase(character) ? character.toLowerCase() :
|
|
|
character.toUpperCase();
|
|
|
}
|
|
|
cm.replaceRange(swapped, curStart, curEnd);
|
|
|
cm.setCursor(curOriginal);
|
|
|
},
|
|
|
yank: function(cm, operatorArgs, vim, curStart, curEnd, curOriginal) {
|
|
|
getVimGlobalState().registerController.pushText(
|
|
|
operatorArgs.registerName, 'yank',
|
|
|
cm.getRange(curStart, curEnd), operatorArgs.linewise);
|
|
|
cm.setCursor(curOriginal);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var actions = {
|
|
|
scrollToCursor: function(cm, actionArgs) {
|
|
|
var lineNum = cm.getCursor().line;
|
|
|
var heightProp = window.getComputedStyle(cm.getScrollerElement()).
|
|
|
getPropertyValue('height');
|
|
|
var height = parseInt(heightProp);
|
|
|
var y = cm.charCoords({line: lineNum, ch: 0}, "local").top;
|
|
|
var halfHeight = parseInt(height) / 2;
|
|
|
switch (actionArgs.position) {
|
|
|
case 'center': y = y - (height / 2) + 10;
|
|
|
break;
|
|
|
case 'bottom': y = y - height;
|
|
|
break;
|
|
|
case 'top': break;
|
|
|
}
|
|
|
cm.scrollTo(null, y);
|
|
|
// The calculations are slightly off, use scrollIntoView to nudge the
|
|
|
// view into the right place.
|
|
|
cm.scrollIntoView();
|
|
|
},
|
|
|
enterInsertMode: function(cm, actionArgs) {
|
|
|
var insertAt = (actionArgs) ? actionArgs.insertAt : null;
|
|
|
if (insertAt == 'eol') {
|
|
|
var cursor = cm.getCursor();
|
|
|
cursor = { line: cursor.line, ch: lineLength(cm, cursor.line) };
|
|
|
cm.setCursor(cursor);
|
|
|
} else if (insertAt == 'charAfter') {
|
|
|
cm.setCursor(offsetCursor(cm.getCursor(), 0, 1));
|
|
|
}
|
|
|
cm.setOption('keyMap', 'vim-insert');
|
|
|
},
|
|
|
toggleVisualMode: function(cm, actionArgs, vim) {
|
|
|
var repeat = actionArgs.repeat;
|
|
|
var curStart = cm.getCursor();
|
|
|
var curEnd;
|
|
|
// TODO: The repeat should actually select number of characters/lines
|
|
|
// equal to the repeat times the size of the previous visual
|
|
|
// operation.
|
|
|
if (!vim.visualMode) {
|
|
|
vim.visualMode = true;
|
|
|
vim.visualLine = !!actionArgs.linewise;
|
|
|
if (vim.visualLine) {
|
|
|
curStart.ch = 0;
|
|
|
curEnd = clipCursorToContent(cm, {
|
|
|
line: curStart.line + repeat - 1,
|
|
|
ch: lineLength(cm, curStart.line)
|
|
|
}, true /** includeLineBreak */);
|
|
|
} else {
|
|
|
curEnd = clipCursorToContent(cm, {
|
|
|
line: curStart.line,
|
|
|
ch: curStart.ch + repeat
|
|
|
}, true /** includeLineBreak */);
|
|
|
}
|
|
|
// Make the initial selection.
|
|
|
if (!actionArgs.repeatIsExplicit && !vim.visualLine) {
|
|
|
// This is a strange case. Here the implicit repeat is 1. The
|
|
|
// following commands lets the cursor hover over the 1 character
|
|
|
// selection.
|
|
|
cm.setCursor(curEnd);
|
|
|
cm.setSelection(curEnd, curStart);
|
|
|
} else {
|
|
|
cm.setSelection(curStart, curEnd);
|
|
|
}
|
|
|
} else {
|
|
|
curStart = cm.getCursor('anchor');
|
|
|
curEnd = cm.getCursor('head');
|
|
|
if (!vim.visualLine && actionArgs.linewise) {
|
|
|
// Shift-V pressed in characterwise visual mode. Switch to linewise
|
|
|
// visual mode instead of exiting visual mode.
|
|
|
vim.visualLine = true;
|
|
|
curStart.ch = cursorIsBefore(curStart, curEnd) ? 0 :
|
|
|
lineLength(cm, curStart.line);
|
|
|
curEnd.ch = cursorIsBefore(curStart, curEnd) ?
|
|
|
lineLength(cm, curEnd.line) : 0;
|
|
|
cm.setSelection(curStart, curEnd);
|
|
|
} else if (vim.visualLine && !actionArgs.linewise) {
|
|
|
// v pressed in linewise visual mode. Switch to characterwise visual
|
|
|
// mode instead of exiting visual mode.
|
|
|
vim.visualLine = false;
|
|
|
} else {
|
|
|
exitVisualMode(cm, vim);
|
|
|
}
|
|
|
}
|
|
|
updateMark(cm, vim, '<', cursorIsBefore(curStart, curEnd) ? curStart
|
|
|
: curEnd);
|
|
|
updateMark(cm, vim, '>', cursorIsBefore(curStart, curEnd) ? curEnd
|
|
|
: curStart);
|
|
|
},
|
|
|
joinLines: function(cm, actionArgs, vim) {
|
|
|
var curStart, curEnd;
|
|
|
if (vim.visualMode) {
|
|
|
curStart = cm.getCursor('anchor');
|
|
|
curEnd = cm.getCursor('head');
|
|
|
curEnd.ch = lineLength(cm, curEnd.line) - 1;
|
|
|
} else {
|
|
|
// Repeat is the number of lines to join. Minimum 2 lines.
|
|
|
var repeat = Math.max(actionArgs.repeat, 2);
|
|
|
curStart = cm.getCursor();
|
|
|
curEnd = clipCursorToContent(cm, { line: curStart.line + repeat - 1,
|
|
|
ch: Infinity });
|
|
|
}
|
|
|
var finalCh = 0;
|
|
|
cm.operation(function() {
|
|
|
for (var i = curStart.line; i < curEnd.line; i++) {
|
|
|
finalCh = lineLength(cm, curStart.line);
|
|
|
var tmp = { line: curStart.line + 1,
|
|
|
ch: lineLength(cm, curStart.line + 1) };
|
|
|
var text = cm.getRange(curStart, tmp);
|
|
|
text = text.replace(/\n\s*/g, ' ');
|
|
|
cm.replaceRange(text, curStart, tmp);
|
|
|
}
|
|
|
var curFinalPos = { line: curStart.line, ch: finalCh };
|
|
|
cm.setCursor(curFinalPos);
|
|
|
});
|
|
|
},
|
|
|
newLineAndEnterInsertMode: function(cm, actionArgs) {
|
|
|
var insertAt = cm.getCursor();
|
|
|
if (insertAt.line === cm.firstLine() && !actionArgs.after) {
|
|
|
// Special case for inserting newline before start of document.
|
|
|
cm.replaceRange('\n', { line: cm.firstLine(), ch: 0 });
|
|
|
cm.setCursor(cm.firstLine(), 0);
|
|
|
} else {
|
|
|
insertAt.line = (actionArgs.after) ? insertAt.line :
|
|
|
insertAt.line - 1;
|
|
|
insertAt.ch = lineLength(cm, insertAt.line);
|
|
|
cm.setCursor(insertAt);
|
|
|
var newlineFn = CodeMirror.commands.newlineAndIndentContinueComment ||
|
|
|
CodeMirror.commands.newlineAndIndent;
|
|
|
newlineFn(cm);
|
|
|
}
|
|
|
this.enterInsertMode(cm);
|
|
|
},
|
|
|
paste: function(cm, actionArgs, vim) {
|
|
|
var cur = cm.getCursor();
|
|
|
var register = getVimGlobalState().registerController.getRegister(
|
|
|
actionArgs.registerName);
|
|
|
if (!register.text) {
|
|
|
return;
|
|
|
}
|
|
|
for (var text = '', i = 0; i < actionArgs.repeat; i++) {
|
|
|
text += register.text;
|
|
|
}
|
|
|
var linewise = register.linewise;
|
|
|
if (linewise) {
|
|
|
if (actionArgs.after) {
|
|
|
// Move the newline at the end to the start instead, and paste just
|
|
|
// before the newline character of the line we are on right now.
|
|
|
text = '\n' + text.slice(0, text.length - 1);
|
|
|
cur.ch = lineLength(cm, cur.line);
|
|
|
} else {
|
|
|
cur.ch = 0;
|
|
|
}
|
|
|
} else {
|
|
|
cur.ch += actionArgs.after ? 1 : 0;
|
|
|
}
|
|
|
cm.replaceRange(text, cur);
|
|
|
// Now fine tune the cursor to where we want it.
|
|
|
var curPosFinal;
|
|
|
var idx;
|
|
|
if (linewise && actionArgs.after) {
|
|
|
curPosFinal = { line: cur.line + 1,
|
|
|
ch: findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line + 1)) };
|
|
|
} else if (linewise && !actionArgs.after) {
|
|
|
curPosFinal = { line: cur.line,
|
|
|
ch: findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line)) };
|
|
|
} else if (!linewise && actionArgs.after) {
|
|
|
idx = cm.indexFromPos(cur);
|
|
|
curPosFinal = cm.posFromIndex(idx + text.length - 1);
|
|
|
} else {
|
|
|
idx = cm.indexFromPos(cur);
|
|
|
curPosFinal = cm.posFromIndex(idx + text.length);
|
|
|
}
|
|
|
cm.setCursor(curPosFinal);
|
|
|
},
|
|
|
undo: function(cm, actionArgs) {
|
|
|
repeatFn(cm, CodeMirror.commands.undo, actionArgs.repeat)();
|
|
|
},
|
|
|
redo: function(cm, actionArgs) {
|
|
|
repeatFn(cm, CodeMirror.commands.redo, actionArgs.repeat)();
|
|
|
},
|
|
|
setRegister: function(cm, actionArgs, vim) {
|
|
|
vim.inputState.registerName = actionArgs.selectedCharacter;
|
|
|
},
|
|
|
setMark: function(cm, actionArgs, vim) {
|
|
|
var markName = actionArgs.selectedCharacter;
|
|
|
updateMark(cm, vim, markName, cm.getCursor());
|
|
|
},
|
|
|
replace: function(cm, actionArgs, vim) {
|
|
|
var replaceWith = actionArgs.selectedCharacter;
|
|
|
var curStart = cm.getCursor();
|
|
|
var replaceTo;
|
|
|
var curEnd;
|
|
|
if(vim.visualMode){
|
|
|
curStart=cm.getCursor('start');
|
|
|
curEnd=cm.getCursor('end');
|
|
|
// workaround to catch the character under the cursor
|
|
|
// existing workaround doesn't cover actions
|
|
|
curEnd=cm.clipPos({line: curEnd.line, ch: curEnd.ch+1});
|
|
|
}else{
|
|
|
var line = cm.getLine(curStart.line);
|
|
|
replaceTo = curStart.ch + actionArgs.repeat;
|
|
|
if (replaceTo > line.length) {
|
|
|
replaceTo=line.length;
|
|
|
}
|
|
|
curEnd = { line: curStart.line, ch: replaceTo };
|
|
|
}
|
|
|
if(replaceWith=='\n'){
|
|
|
if(!vim.visualMode) cm.replaceRange('', curStart, curEnd);
|
|
|
// special case, where vim help says to replace by just one line-break
|
|
|
(CodeMirror.commands.newlineAndIndentContinueComment || CodeMirror.commands.newlineAndIndent)(cm);
|
|
|
}else {
|
|
|
var replaceWithStr=cm.getRange(curStart, curEnd);
|
|
|
//replace all characters in range by selected, but keep linebreaks
|
|
|
replaceWithStr=replaceWithStr.replace(/[^\n]/g,replaceWith);
|
|
|
cm.replaceRange(replaceWithStr, curStart, curEnd);
|
|
|
if(vim.visualMode){
|
|
|
cm.setCursor(curStart);
|
|
|
exitVisualMode(cm,vim);
|
|
|
}else{
|
|
|
cm.setCursor(offsetCursor(curEnd, 0, -1));
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
incrementNumberToken: function(cm, actionArgs, vim) {
|
|
|
var cur = cm.getCursor();
|
|
|
var lineStr = cm.getLine(cur.line);
|
|
|
var re = /-?\d+/g;
|
|
|
var match;
|
|
|
var start;
|
|
|
var end;
|
|
|
var numberStr;
|
|
|
var token;
|
|
|
while ((match = re.exec(lineStr)) !== null) {
|
|
|
token = match[0];
|
|
|
start = match.index;
|
|
|
end = start + token.length;
|
|
|
if(cur.ch < end)break;
|
|
|
}
|
|
|
if(!actionArgs.backtrack && (end <= cur.ch))return;
|
|
|
if (token) {
|
|
|
var increment = actionArgs.increase ? 1 : -1;
|
|
|
var number = parseInt(token) + (increment * actionArgs.repeat);
|
|
|
var from = {ch:start, line:cur.line};
|
|
|
var to = {ch:end, line:cur.line};
|
|
|
numberStr = number.toString();
|
|
|
cm.replaceRange(numberStr, from, to);
|
|
|
} else {
|
|
|
return;
|
|
|
}
|
|
|
cm.setCursor({line: cur.line, ch: start + numberStr.length - 1});
|
|
|
},
|
|
|
repeatLastEdit: function(cm, actionArgs, vim) {
|
|
|
// TODO: Make this repeat insert mode changes.
|
|
|
var lastEdit = vim.lastEdit;
|
|
|
if (lastEdit) {
|
|
|
if (actionArgs.repeat && actionArgs.repeatIsExplicit) {
|
|
|
vim.lastEdit.repeatOverride = actionArgs.repeat;
|
|
|
}
|
|
|
var currentInputState = vim.inputState;
|
|
|
vim.inputState = vim.lastEdit;
|
|
|
commandDispatcher.evalInput(cm, vim);
|
|
|
vim.inputState = currentInputState;
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var textObjects = {
|
|
|
// TODO: lots of possible exceptions that can be thrown here. Try da(
|
|
|
// outside of a () block.
|
|
|
// TODO: implement text objects for the reverse like }. Should just be
|
|
|
// an additional mapping after moving to the defaultKeyMap.
|
|
|
'w': function(cm, inclusive) {
|
|
|
return expandWordUnderCursor(cm, inclusive, true /** forward */,
|
|
|
false /** bigWord */);
|
|
|
},
|
|
|
'W': function(cm, inclusive) {
|
|
|
return expandWordUnderCursor(cm, inclusive,
|
|
|
true /** forward */, true /** bigWord */);
|
|
|
},
|
|
|
'{': function(cm, inclusive) {
|
|
|
return selectCompanionObject(cm, '}', inclusive);
|
|
|
},
|
|
|
'(': function(cm, inclusive) {
|
|
|
return selectCompanionObject(cm, ')', inclusive);
|
|
|
},
|
|
|
'[': function(cm, inclusive) {
|
|
|
return selectCompanionObject(cm, ']', inclusive);
|
|
|
},
|
|
|
'\'': function(cm, inclusive) {
|
|
|
return findBeginningAndEnd(cm, "'", inclusive);
|
|
|
},
|
|
|
'\"': function(cm, inclusive) {
|
|
|
return findBeginningAndEnd(cm, '"', inclusive);
|
|
|
}
|
|
|
};
|
|
|
|
|
|
/*
|
|
|
* Below are miscellaneous utility functions used by vim.js
|
|
|
*/
|
|
|
|
|
|
/**
|
|
|
* Clips cursor to ensure that line is within the buffer's range
|
|
|
* If includeLineBreak is true, then allow cur.ch == lineLength.
|
|
|
*/
|
|
|
function clipCursorToContent(cm, cur, includeLineBreak) {
|
|
|
var line = Math.min(Math.max(cm.firstLine(), cur.line), cm.lastLine() );
|
|
|
var maxCh = lineLength(cm, line) - 1;
|
|
|
maxCh = (includeLineBreak) ? maxCh + 1 : maxCh;
|
|
|
var ch = Math.min(Math.max(0, cur.ch), maxCh);
|
|
|
return { line: line, ch: ch };
|
|
|
}
|
|
|
// Merge arguments in place, for overriding arguments.
|
|
|
function mergeArgs(to, from) {
|
|
|
for (var prop in from) {
|
|
|
if (from.hasOwnProperty(prop)) {
|
|
|
to[prop] = from[prop];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
function copyArgs(args) {
|
|
|
var ret = {};
|
|
|
for (var prop in args) {
|
|
|
if (args.hasOwnProperty(prop)) {
|
|
|
ret[prop] = args[prop];
|
|
|
}
|
|
|
}
|
|
|
return ret;
|
|
|
}
|
|
|
function offsetCursor(cur, offsetLine, offsetCh) {
|
|
|
return { line: cur.line + offsetLine, ch: cur.ch + offsetCh };
|
|
|
}
|
|
|
function arrayEq(a1, a2) {
|
|
|
if (a1.length != a2.length) {
|
|
|
return false;
|
|
|
}
|
|
|
for (var i = 0; i < a1.length; i++) {
|
|
|
if (a1[i] != a2[i]) {
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
function matchKeysPartial(pressed, mapped) {
|
|
|
for (var i = 0; i < pressed.length; i++) {
|
|
|
// 'character' means any character. For mark, register commads, etc.
|
|
|
if (pressed[i] != mapped[i] && mapped[i] != 'character') {
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
function arrayIsSubsetFromBeginning(small, big) {
|
|
|
for (var i = 0; i < small.length; i++) {
|
|
|
if (small[i] != big[i]) {
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
function repeatFn(cm, fn, repeat) {
|
|
|
return function() {
|
|
|
for (var i = 0; i < repeat; i++) {
|
|
|
fn(cm);
|
|
|
}
|
|
|
};
|
|
|
}
|
|
|
function copyCursor(cur) {
|
|
|
return { line: cur.line, ch: cur.ch };
|
|
|
}
|
|
|
function cursorEqual(cur1, cur2) {
|
|
|
return cur1.ch == cur2.ch && cur1.line == cur2.line;
|
|
|
}
|
|
|
function cursorIsBefore(cur1, cur2) {
|
|
|
if (cur1.line < cur2.line) {
|
|
|
return true;
|
|
|
} else if (cur1.line == cur2.line && cur1.ch < cur2.ch) {
|
|
|
return true;
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
function cusrorIsBetween(cur1, cur2, cur3) {
|
|
|
// returns true if cur2 is between cur1 and cur3.
|
|
|
var cur1before2 = cursorIsBefore(cur1, cur2);
|
|
|
var cur2before3 = cursorIsBefore(cur2, cur3);
|
|
|
return cur1before2 && cur2before3;
|
|
|
}
|
|
|
function lineLength(cm, lineNum) {
|
|
|
return cm.getLine(lineNum).length;
|
|
|
}
|
|
|
function reverse(s){
|
|
|
return s.split("").reverse().join("");
|
|
|
}
|
|
|
function trim(s) {
|
|
|
if (s.trim) {
|
|
|
return s.trim();
|
|
|
} else {
|
|
|
return s.replace(/^\s+|\s+$/g, '');
|
|
|
}
|
|
|
}
|
|
|
function escapeRegex(s) {
|
|
|
return s.replace(/([.?*+$\[\]\/\\(){}|\-])/g, "\\$1");
|
|
|
}
|
|
|
|
|
|
function exitVisualMode(cm, vim) {
|
|
|
vim.visualMode = false;
|
|
|
vim.visualLine = false;
|
|
|
var selectionStart = cm.getCursor('anchor');
|
|
|
var selectionEnd = cm.getCursor('head');
|
|
|
if (!cursorEqual(selectionStart, selectionEnd)) {
|
|
|
// Clear the selection and set the cursor only if the selection has not
|
|
|
// already been cleared. Otherwise we risk moving the cursor somewhere
|
|
|
// it's not supposed to be.
|
|
|
cm.setCursor(clipCursorToContent(cm, selectionEnd));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Remove any trailing newlines from the selection. For
|
|
|
// example, with the caret at the start of the last word on the line,
|
|
|
// 'dw' should word, but not the newline, while 'w' should advance the
|
|
|
// caret to the first character of the next line.
|
|
|
function clipToLine(cm, curStart, curEnd) {
|
|
|
var selection = cm.getRange(curStart, curEnd);
|
|
|
var lines = selection.split('\n');
|
|
|
if (lines.length > 1 && isWhiteSpaceString(lines.pop())) {
|
|
|
curEnd.line--;
|
|
|
curEnd.ch = lineLength(cm, curEnd.line);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Expand the selection to line ends.
|
|
|
function expandSelectionToLine(cm, curStart, curEnd) {
|
|
|
curStart.ch = 0;
|
|
|
curEnd.ch = 0;
|
|
|
curEnd.line++;
|
|
|
}
|
|
|
|
|
|
function findFirstNonWhiteSpaceCharacter(text) {
|
|
|
if (!text) {
|
|
|
return 0;
|
|
|
}
|
|
|
var firstNonWS = text.search(/\S/);
|
|
|
return firstNonWS == -1 ? text.length : firstNonWS;
|
|
|
}
|
|
|
|
|
|
function expandWordUnderCursor(cm, inclusive, forward, bigWord, noSymbol) {
|
|
|
var cur = cm.getCursor();
|
|
|
var line = cm.getLine(cur.line);
|
|
|
var idx = cur.ch;
|
|
|
|
|
|
// Seek to first word or non-whitespace character, depending on if
|
|
|
// noSymbol is true.
|
|
|
var textAfterIdx = line.substring(idx);
|
|
|
var firstMatchedChar;
|
|
|
if (noSymbol) {
|
|
|
firstMatchedChar = textAfterIdx.search(/\w/);
|
|
|
} else {
|
|
|
firstMatchedChar = textAfterIdx.search(/\S/);
|
|
|
}
|
|
|
if (firstMatchedChar == -1) {
|
|
|
return null;
|
|
|
}
|
|
|
idx += firstMatchedChar;
|
|
|
textAfterIdx = line.substring(idx);
|
|
|
var textBeforeIdx = line.substring(0, idx);
|
|
|
|
|
|
var matchRegex;
|
|
|
// Greedy matchers for the "word" we are trying to expand.
|
|
|
if (bigWord) {
|
|
|
matchRegex = /^\S+/;
|
|
|
} else {
|
|
|
if ((/\w/).test(line.charAt(idx))) {
|
|
|
matchRegex = /^\w+/;
|
|
|
} else {
|
|
|
matchRegex = /^[^\w\s]+/;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
var wordAfterRegex = matchRegex.exec(textAfterIdx);
|
|
|
var wordStart = idx;
|
|
|
var wordEnd = idx + wordAfterRegex[0].length - 1;
|
|
|
// TODO: Find a better way to do this. It will be slow on very long lines.
|
|
|
var wordBeforeRegex = matchRegex.exec(reverse(textBeforeIdx));
|
|
|
if (wordBeforeRegex) {
|
|
|
wordStart -= wordBeforeRegex[0].length;
|
|
|
}
|
|
|
|
|
|
if (inclusive) {
|
|
|
wordEnd++;
|
|
|
}
|
|
|
|
|
|
return { start: { line: cur.line, ch: wordStart },
|
|
|
end: { line: cur.line, ch: wordEnd }};
|
|
|
}
|
|
|
|
|
|
function recordLastCharacterSearch(increment, args) {
|
|
|
var vimGlobalState = getVimGlobalState();
|
|
|
vimGlobalState.lastChararacterSearch.increment = increment;
|
|
|
vimGlobalState.lastChararacterSearch.forward = args.forward;
|
|
|
vimGlobalState.lastChararacterSearch.selectedCharacter = args.selectedCharacter;
|
|
|
}
|
|
|
|
|
|
var symbolToMode = {
|
|
|
'(': 'bracket', ')': 'bracket', '{': 'bracket', '}': 'bracket',
|
|
|
'[': 'section', ']': 'section',
|
|
|
'*': 'comment', '/': 'comment',
|
|
|
'm': 'method', 'M': 'method',
|
|
|
'#': 'preprocess'
|
|
|
};
|
|
|
var findSymbolModes = {
|
|
|
bracket: {
|
|
|
isComplete: function(state) {
|
|
|
if (state.nextCh === state.symb) {
|
|
|
state.depth++;
|
|
|
if(state.depth >= 1)return true;
|
|
|
} else if (state.nextCh === state.reverseSymb) {
|
|
|
state.depth--;
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
section: {
|
|
|
init: function(state) {
|
|
|
state.curMoveThrough = true;
|
|
|
state.symb = (state.forward ? ']' : '[') === state.symb ? '{' : '}';
|
|
|
},
|
|
|
isComplete: function(state) {
|
|
|
return state.index === 0 && state.nextCh === state.symb;
|
|
|
}
|
|
|
},
|
|
|
comment: {
|
|
|
isComplete: function(state) {
|
|
|
var found = state.lastCh === '*' && state.nextCh === '/';
|
|
|
state.lastCh = state.nextCh;
|
|
|
return found;
|
|
|
}
|
|
|
},
|
|
|
// TODO: The original Vim implementation only operates on level 1 and 2.
|
|
|
// The current implementation doesn't check for code block level and
|
|
|
// therefore it operates on any levels.
|
|
|
method: {
|
|
|
init: function(state) {
|
|
|
state.symb = (state.symb === 'm' ? '{' : '}');
|
|
|
state.reverseSymb = state.symb === '{' ? '}' : '{';
|
|
|
},
|
|
|
isComplete: function(state) {
|
|
|
if(state.nextCh === state.symb)return true;
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
preprocess: {
|
|
|
init: function(state) {
|
|
|
state.index = 0;
|
|
|
},
|
|
|
isComplete: function(state) {
|
|
|
if (state.nextCh === '#') {
|
|
|
var token = state.lineText.match(/#(\w+)/)[1];
|
|
|
if (token === 'endif') {
|
|
|
if (state.forward && state.depth === 0) {
|
|
|
return true;
|
|
|
}
|
|
|
state.depth++;
|
|
|
} else if (token === 'if') {
|
|
|
if (!state.forward && state.depth === 0) {
|
|
|
return true;
|
|
|
}
|
|
|
state.depth--;
|
|
|
}
|
|
|
if(token === 'else' && state.depth === 0)return true;
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
function findSymbol(cm, repeat, forward, symb) {
|
|
|
var cur = cm.getCursor();
|
|
|
var increment = forward ? 1 : -1;
|
|
|
var endLine = forward ? cm.lineCount() : -1;
|
|
|
var curCh = cur.ch;
|
|
|
var line = cur.line;
|
|
|
var lineText = cm.getLine(line);
|
|
|
var state = {
|
|
|
lineText: lineText,
|
|
|
nextCh: lineText.charAt(curCh),
|
|
|
lastCh: null,
|
|
|
index: curCh,
|
|
|
symb: symb,
|
|
|
reverseSymb: (forward ? { ')': '(', '}': '{' } : { '(': ')', '{': '}' })[symb],
|
|
|
forward: forward,
|
|
|
depth: 0,
|
|
|
curMoveThrough: false
|
|
|
};
|
|
|
var mode = symbolToMode[symb];
|
|
|
if(!mode)return cur;
|
|
|
var init = findSymbolModes[mode].init;
|
|
|
var isComplete = findSymbolModes[mode].isComplete;
|
|
|
if(init)init(state);
|
|
|
while (line !== endLine && repeat) {
|
|
|
state.index += increment;
|
|
|
state.nextCh = state.lineText.charAt(state.index);
|
|
|
if (!state.nextCh) {
|
|
|
line += increment;
|
|
|
state.lineText = cm.getLine(line) || '';
|
|
|
if (increment > 0) {
|
|
|
state.index = 0;
|
|
|
} else {
|
|
|
var lineLen = state.lineText.length;
|
|
|
state.index = (lineLen > 0) ? (lineLen-1) : 0;
|
|
|
}
|
|
|
state.nextCh = state.lineText.charAt(state.index);
|
|
|
}
|
|
|
if (isComplete(state)) {
|
|
|
cur.line = line;
|
|
|
cur.ch = state.index;
|
|
|
repeat--;
|
|
|
}
|
|
|
}
|
|
|
if (state.nextCh || state.curMoveThrough) {
|
|
|
return { line: line, ch: state.index };
|
|
|
}
|
|
|
return cur;
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* Returns the boundaries of the next word. If the cursor in the middle of
|
|
|
* the word, then returns the boundaries of the current word, starting at
|
|
|
* the cursor. If the cursor is at the start/end of a word, and we are going
|
|
|
* forward/backward, respectively, find the boundaries of the next word.
|
|
|
*
|
|
|
* @param {CodeMirror} cm CodeMirror object.
|
|
|
* @param {Cursor} cur The cursor position.
|
|
|
* @param {boolean} forward True to search forward. False to search
|
|
|
* backward.
|
|
|
* @param {boolean} bigWord True if punctuation count as part of the word.
|
|
|
* False if only [a-zA-Z0-9] characters count as part of the word.
|
|
|
* @return {Object{from:number, to:number, line: number}} The boundaries of
|
|
|
* the word, or null if there are no more words.
|
|
|
*/
|
|
|
// TODO: Treat empty lines (with no whitespace) as words.
|
|
|
function findWord(cm, cur, forward, bigWord) {
|
|
|
var lineNum = cur.line;
|
|
|
var pos = cur.ch;
|
|
|
var line = cm.getLine(lineNum);
|
|
|
var dir = forward ? 1 : -1;
|
|
|
var regexps = bigWord ? bigWordRegexp : wordRegexp;
|
|
|
|
|
|
while (true) {
|
|
|
var stop = (dir > 0) ? line.length : -1;
|
|
|
var wordStart = stop, wordEnd = stop;
|
|
|
// Find bounds of next word.
|
|
|
while (pos != stop) {
|
|
|
var foundWord = false;
|
|
|
for (var i = 0; i < regexps.length && !foundWord; ++i) {
|
|
|
if (regexps[i].test(line.charAt(pos))) {
|
|
|
wordStart = pos;
|
|
|
// Advance to end of word.
|
|
|
while (pos != stop && regexps[i].test(line.charAt(pos))) {
|
|
|
pos += dir;
|
|
|
}
|
|
|
wordEnd = pos;
|
|
|
foundWord = wordStart != wordEnd;
|
|
|
if (wordStart == cur.ch && lineNum == cur.line &&
|
|
|
wordEnd == wordStart + dir) {
|
|
|
// We started at the end of a word. Find the next one.
|
|
|
continue;
|
|
|
} else {
|
|
|
return {
|
|
|
from: Math.min(wordStart, wordEnd + 1),
|
|
|
to: Math.max(wordStart, wordEnd),
|
|
|
line: lineNum };
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (!foundWord) {
|
|
|
pos += dir;
|
|
|
}
|
|
|
}
|
|
|
// Advance to next/prev line.
|
|
|
lineNum += dir;
|
|
|
if (!isLine(cm, lineNum)) {
|
|
|
return null;
|
|
|
}
|
|
|
line = cm.getLine(lineNum);
|
|
|
pos = (dir > 0) ? 0 : line.length;
|
|
|
}
|
|
|
// Should never get here.
|
|
|
throw 'The impossible happened.';
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* @param {CodeMirror} cm CodeMirror object.
|
|
|
* @param {int} repeat Number of words to move past.
|
|
|
* @param {boolean} forward True to search forward. False to search
|
|
|
* backward.
|
|
|
* @param {boolean} wordEnd True to move to end of word. False to move to
|
|
|
* beginning of word.
|
|
|
* @param {boolean} bigWord True if punctuation count as part of the word.
|
|
|
* False if only alphabet characters count as part of the word.
|
|
|
* @return {Cursor} The position the cursor should move to.
|
|
|
*/
|
|
|
function moveToWord(cm, repeat, forward, wordEnd, bigWord) {
|
|
|
var cur = cm.getCursor();
|
|
|
for (var i = 0; i < repeat; i++) {
|
|
|
var startCh = cur.ch, startLine = cur.line, word;
|
|
|
var movedToNextWord = false;
|
|
|
while (!movedToNextWord) {
|
|
|
// Search and advance.
|
|
|
word = findWord(cm, cur, forward, bigWord);
|
|
|
movedToNextWord = true;
|
|
|
if (word) {
|
|
|
// Move to the word we just found. If by moving to the word we end
|
|
|
// up in the same spot, then move an extra character and search
|
|
|
// again.
|
|
|
cur.line = word.line;
|
|
|
if (forward && wordEnd) {
|
|
|
// 'e'
|
|
|
cur.ch = word.to - 1;
|
|
|
} else if (forward && !wordEnd) {
|
|
|
// 'w'
|
|
|
if (inRangeInclusive(cur.ch, word.from, word.to) &&
|
|
|
word.line == startLine) {
|
|
|
// Still on the same word. Go to the next one.
|
|
|
movedToNextWord = false;
|
|
|
cur.ch = word.to - 1;
|
|
|
} else {
|
|
|
cur.ch = word.from;
|
|
|
}
|
|
|
} else if (!forward && wordEnd) {
|
|
|
// 'ge'
|
|
|
if (inRangeInclusive(cur.ch, word.from, word.to) &&
|
|
|
word.line == startLine) {
|
|
|
// still on the same word. Go to the next one.
|
|
|
movedToNextWord = false;
|
|
|
cur.ch = word.from;
|
|
|
} else {
|
|
|
cur.ch = word.to;
|
|
|
}
|
|
|
} else if (!forward && !wordEnd) {
|
|
|
// 'b'
|
|
|
cur.ch = word.from;
|
|
|
}
|
|
|
} else {
|
|
|
// No more words to be found. Move to the end.
|
|
|
if (forward) {
|
|
|
return { line: cur.line, ch: lineLength(cm, cur.line) };
|
|
|
} else {
|
|
|
return { line: cur.line, ch: 0 };
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return cur;
|
|
|
}
|
|
|
|
|
|
function moveToCharacter(cm, repeat, forward, character) {
|
|
|
var cur = cm.getCursor();
|
|
|
var start = cur.ch;
|
|
|
var idx;
|
|
|
for (var i = 0; i < repeat; i ++) {
|
|
|
var line = cm.getLine(cur.line);
|
|
|
idx = charIdxInLine(start, line, character, forward, true);
|
|
|
if (idx == -1) {
|
|
|
return null;
|
|
|
}
|
|
|
start = idx;
|
|
|
}
|
|
|
return { line: cm.getCursor().line, ch: idx };
|
|
|
}
|
|
|
|
|
|
function moveToColumn(cm, repeat) {
|
|
|
// repeat is always >= 1, so repeat - 1 always corresponds
|
|
|
// to the column we want to go to.
|
|
|
var line = cm.getCursor().line;
|
|
|
return clipCursorToContent(cm, { line: line, ch: repeat - 1 });
|
|
|
}
|
|
|
|
|
|
function updateMark(cm, vim, markName, pos) {
|
|
|
if (!inArray(markName, validMarks)) {
|
|
|
return;
|
|
|
}
|
|
|
if (vim.marks[markName]) {
|
|
|
vim.marks[markName].clear();
|
|
|
}
|
|
|
vim.marks[markName] = cm.setBookmark(pos);
|
|
|
}
|
|
|
|
|
|
function charIdxInLine(start, line, character, forward, includeChar) {
|
|
|
// Search for char in line.
|
|
|
// motion_options: {forward, includeChar}
|
|
|
// If includeChar = true, include it too.
|
|
|
// If forward = true, search forward, else search backwards.
|
|
|
// If char is not found on this line, do nothing
|
|
|
var idx;
|
|
|
if (forward) {
|
|
|
idx = line.indexOf(character, start + 1);
|
|
|
if (idx != -1 && !includeChar) {
|
|
|
idx -= 1;
|
|
|
}
|
|
|
} else {
|
|
|
idx = line.lastIndexOf(character, start - 1);
|
|
|
if (idx != -1 && !includeChar) {
|
|
|
idx += 1;
|
|
|
}
|
|
|
}
|
|
|
return idx;
|
|
|
}
|
|
|
|
|
|
function findMatchedSymbol(cm, cur, symb) {
|
|
|
var line = cur.line;
|
|
|
symb = symb ? symb : cm.getLine(line).charAt(cur.ch);
|
|
|
|
|
|
var reverseSymb = ({
|
|
|
'(': ')', ')': '(',
|
|
|
'[': ']', ']': '[',
|
|
|
'{': '}', '}': '{'})[symb];
|
|
|
|
|
|
// Couldn't find a matching symbol, abort
|
|
|
if (!reverseSymb) {
|
|
|
return cur;
|
|
|
}
|
|
|
|
|
|
// set our increment to move forward (+1) or backwards (-1)
|
|
|
// depending on which bracket we're matching
|
|
|
var increment = ({'(': 1, '{': 1, '[': 1})[symb] || -1;
|
|
|
var endLine = increment === 1 ? cm.lineCount() : -1;
|
|
|
var depth = 1, nextCh = symb, index = cur.ch, lineText = cm.getLine(line);
|
|
|
// Simple search for closing paren--just count openings and closings till
|
|
|
// we find our match
|
|
|
// TODO: use info from CodeMirror to ignore closing brackets in comments
|
|
|
// and quotes, etc.
|
|
|
while (line !== endLine && depth > 0) {
|
|
|
index += increment;
|
|
|
nextCh = lineText.charAt(index);
|
|
|
if (!nextCh) {
|
|
|
line += increment;
|
|
|
lineText = cm.getLine(line) || '';
|
|
|
if (increment > 0) {
|
|
|
index = 0;
|
|
|
} else {
|
|
|
var lineLen = lineText.length;
|
|
|
index = (lineLen > 0) ? (lineLen-1) : 0;
|
|
|
}
|
|
|
nextCh = lineText.charAt(index);
|
|
|
}
|
|
|
if (nextCh === symb) {
|
|
|
depth++;
|
|
|
} else if (nextCh === reverseSymb) {
|
|
|
depth--;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (nextCh) {
|
|
|
return { line: line, ch: index };
|
|
|
}
|
|
|
return cur;
|
|
|
}
|
|
|
|
|
|
function selectCompanionObject(cm, revSymb, inclusive) {
|
|
|
var cur = cm.getCursor();
|
|
|
|
|
|
var end = findMatchedSymbol(cm, cur, revSymb);
|
|
|
var start = findMatchedSymbol(cm, end);
|
|
|
start.ch += inclusive ? 1 : 0;
|
|
|
end.ch += inclusive ? 0 : 1;
|
|
|
|
|
|
return { start: start, end: end };
|
|
|
}
|
|
|
|
|
|
function regexLastIndexOf(string, pattern, startIndex) {
|
|
|
for (var i = !startIndex ? string.length : startIndex;
|
|
|
i >= 0; --i) {
|
|
|
if (pattern.test(string.charAt(i))) {
|
|
|
return i;
|
|
|
}
|
|
|
}
|
|
|
return -1;
|
|
|
}
|
|
|
|
|
|
// Takes in a symbol and a cursor and tries to simulate text objects that
|
|
|
// have identical opening and closing symbols
|
|
|
// TODO support across multiple lines
|
|
|
function findBeginningAndEnd(cm, symb, inclusive) {
|
|
|
var cur = cm.getCursor();
|
|
|
var line = cm.getLine(cur.line);
|
|
|
var chars = line.split('');
|
|
|
var start, end, i, len;
|
|
|
var firstIndex = chars.indexOf(symb);
|
|
|
|
|
|
// the decision tree is to always look backwards for the beginning first,
|
|
|
// but if the cursor is in front of the first instance of the symb,
|
|
|
// then move the cursor forward
|
|
|
if (cur.ch < firstIndex) {
|
|
|
cur.ch = firstIndex;
|
|
|
// Why is this line even here???
|
|
|
// cm.setCursor(cur.line, firstIndex+1);
|
|
|
}
|
|
|
// otherwise if the cursor is currently on the closing symbol
|
|
|
else if (firstIndex < cur.ch && chars[cur.ch] == symb) {
|
|
|
end = cur.ch; // assign end to the current cursor
|
|
|
--cur.ch; // make sure to look backwards
|
|
|
}
|
|
|
|
|
|
// if we're currently on the symbol, we've got a start
|
|
|
if (chars[cur.ch] == symb && !end) {
|
|
|
start = cur.ch + 1; // assign start to ahead of the cursor
|
|
|
} else {
|
|
|
// go backwards to find the start
|
|
|
for (i = cur.ch; i > -1 && !start; i--) {
|
|
|
if (chars[i] == symb) {
|
|
|
start = i + 1;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// look forwards for the end symbol
|
|
|
if (start && !end) {
|
|
|
for (i = start, len = chars.length; i < len && !end; i++) {
|
|
|
if (chars[i] == symb) {
|
|
|
end = i;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// nothing found
|
|
|
if (!start || !end) {
|
|
|
return { start: cur, end: cur };
|
|
|
}
|
|
|
|
|
|
// include the symbols
|
|
|
if (inclusive) {
|
|
|
--start; ++end;
|
|
|
}
|
|
|
|
|
|
return {
|
|
|
start: { line: cur.line, ch: start },
|
|
|
end: { line: cur.line, ch: end }
|
|
|
};
|
|
|
}
|
|
|
|
|
|
// Search functions
|
|
|
function SearchState() {}
|
|
|
SearchState.prototype = {
|
|
|
getQuery: function() {
|
|
|
return getVimGlobalState().query;
|
|
|
},
|
|
|
setQuery: function(query) {
|
|
|
getVimGlobalState().query = query;
|
|
|
},
|
|
|
getOverlay: function() {
|
|
|
return this.searchOverlay;
|
|
|
},
|
|
|
setOverlay: function(overlay) {
|
|
|
this.searchOverlay = overlay;
|
|
|
},
|
|
|
isReversed: function() {
|
|
|
return getVimGlobalState().isReversed;
|
|
|
},
|
|
|
setReversed: function(reversed) {
|
|
|
getVimGlobalState().isReversed = reversed;
|
|
|
}
|
|
|
};
|
|
|
function getSearchState(cm) {
|
|
|
var vim = getVimState(cm);
|
|
|
return vim.searchState_ || (vim.searchState_ = new SearchState());
|
|
|
}
|
|
|
function dialog(cm, template, shortText, onClose, options) {
|
|
|
if (cm.openDialog) {
|
|
|
cm.openDialog(template, onClose, { bottom: true, value: options.value,
|
|
|
onKeyDown: options.onKeyDown, onKeyUp: options.onKeyUp });
|
|
|
}
|
|
|
else {
|
|
|
callback(prompt(shortText, ""));
|
|
|
}
|
|
|
}
|
|
|
function findUnescapedSlashes(str) {
|
|
|
var escapeNextChar = false;
|
|
|
var slashes = [];
|
|
|
for (var i = 0; i < str.length; i++) {
|
|
|
var c = str.charAt(i);
|
|
|
if (!escapeNextChar && c == '/') {
|
|
|
slashes.push(i);
|
|
|
}
|
|
|
escapeNextChar = (c == '\\');
|
|
|
}
|
|
|
return slashes;
|
|
|
}
|
|
|
/**
|
|
|
* Extract the regular expression from the query and return a Regexp object.
|
|
|
* Returns null if the query is blank.
|
|
|
* If ignoreCase is passed in, the Regexp object will have the 'i' flag set.
|
|
|
* If smartCase is passed in, and the query contains upper case letters,
|
|
|
* then ignoreCase is overridden, and the 'i' flag will not be set.
|
|
|
* If the query contains the /i in the flag part of the regular expression,
|
|
|
* then both ignoreCase and smartCase are ignored, and 'i' will be passed
|
|
|
* through to the Regex object.
|
|
|
*/
|
|
|
function parseQuery(cm, query, ignoreCase, smartCase) {
|
|
|
// Check if the query is already a regex.
|
|
|
if (query instanceof RegExp) { return query; }
|
|
|
// First try to extract regex + flags from the input. If no flags found,
|
|
|
// extract just the regex. IE does not accept flags directly defined in
|
|
|
// the regex string in the form /regex/flags
|
|
|
var slashes = findUnescapedSlashes(query);
|
|
|
var regexPart;
|
|
|
var forceIgnoreCase;
|
|
|
if (!slashes.length) {
|
|
|
// Query looks like 'regexp'
|
|
|
regexPart = query;
|
|
|
} else {
|
|
|
// Query looks like 'regexp/...'
|
|
|
regexPart = query.substring(0, slashes[0]);
|
|
|
var flagsPart = query.substring(slashes[0]);
|
|
|
forceIgnoreCase = (flagsPart.indexOf('i') != -1);
|
|
|
}
|
|
|
if (!regexPart) {
|
|
|
return null;
|
|
|
}
|
|
|
if (smartCase) {
|
|
|
ignoreCase = (/^[^A-Z]*$/).test(regexPart);
|
|
|
}
|
|
|
var regexp = new RegExp(regexPart,
|
|
|
(ignoreCase || forceIgnoreCase) ? 'i' : undefined);
|
|
|
return regexp;
|
|
|
}
|
|
|
function showConfirm(cm, text) {
|
|
|
if (cm.openConfirm) {
|
|
|
cm.openConfirm('<span style="color: red">' + text +
|
|
|
'</span> <button type="button">OK</button>', function() {},
|
|
|
{bottom: true});
|
|
|
} else {
|
|
|
alert(text);
|
|
|
}
|
|
|
}
|
|
|
function makePrompt(prefix, desc) {
|
|
|
var raw = '';
|
|
|
if (prefix) {
|
|
|
raw += '<span style="font-family: monospace">' + prefix + '</span>';
|
|
|
}
|
|
|
raw += '<input type="text"/> ' +
|
|
|
'<span style="color: #888">';
|
|
|
if (desc) {
|
|
|
raw += '<span style="color: #888">';
|
|
|
raw += desc;
|
|
|
raw += '</span>';
|
|
|
}
|
|
|
return raw;
|
|
|
}
|
|
|
var searchPromptDesc = '(Javascript regexp)';
|
|
|
function showPrompt(cm, options) {
|
|
|
var shortText = (options.prefix || '') + ' ' + (options.desc || '');
|
|
|
var prompt = makePrompt(options.prefix, options.desc);
|
|
|
dialog(cm, prompt, shortText, options.onClose, options);
|
|
|
}
|
|
|
function regexEqual(r1, r2) {
|
|
|
if (r1 instanceof RegExp && r2 instanceof RegExp) {
|
|
|
var props = ["global", "multiline", "ignoreCase", "source"];
|
|
|
for (var i = 0; i < props.length; i++) {
|
|
|
var prop = props[i];
|
|
|
if (r1[prop] !== r2[prop]) {
|
|
|
return(false);
|
|
|
}
|
|
|
}
|
|
|
return(true);
|
|
|
}
|
|
|
return(false);
|
|
|
}
|
|
|
// Returns true if the query is valid.
|
|
|
function updateSearchQuery(cm, rawQuery, ignoreCase, smartCase) {
|
|
|
if (!rawQuery) {
|
|
|
return;
|
|
|
}
|
|
|
var state = getSearchState(cm);
|
|
|
var query = parseQuery(cm, rawQuery, !!ignoreCase, !!smartCase);
|
|
|
if (!query) {
|
|
|
return;
|
|
|
}
|
|
|
highlightSearchMatches(cm, query);
|
|
|
if (regexEqual(query, state.getQuery())) {
|
|
|
return query;
|
|
|
}
|
|
|
state.setQuery(query);
|
|
|
return query;
|
|
|
}
|
|
|
function searchOverlay(query) {
|
|
|
if (query.source.charAt(0) == '^') {
|
|
|
var matchSol = true;
|
|
|
}
|
|
|
return {
|
|
|
token: function(stream) {
|
|
|
if (matchSol && !stream.sol()) {
|
|
|
stream.skipToEnd();
|
|
|
return;
|
|
|
}
|
|
|
var match = stream.match(query, false);
|
|
|
if (match) {
|
|
|
if (match[0].length == 0) {
|
|
|
// Matched empty string, skip to next.
|
|
|
stream.next();
|
|
|
return;
|
|
|
}
|
|
|
if (!stream.sol()) {
|
|
|
// Backtrack 1 to match \b
|
|
|
stream.backUp(1);
|
|
|
if (!query.exec(stream.next() + match[0])) {
|
|
|
stream.next();
|
|
|
return null;
|
|
|
}
|
|
|
}
|
|
|
stream.match(query);
|
|
|
return "searching";
|
|
|
}
|
|
|
while (!stream.eol()) {
|
|
|
stream.next();
|
|
|
if (stream.match(query, false)) break;
|
|
|
}
|
|
|
},
|
|
|
query: query
|
|
|
};
|
|
|
}
|
|
|
function highlightSearchMatches(cm, query) {
|
|
|
var overlay = getSearchState(cm).getOverlay();
|
|
|
if (!overlay || query != overlay.query) {
|
|
|
if (overlay) {
|
|
|
cm.removeOverlay(overlay);
|
|
|
}
|
|
|
overlay = searchOverlay(query);
|
|
|
cm.addOverlay(overlay);
|
|
|
getSearchState(cm).setOverlay(overlay);
|
|
|
}
|
|
|
}
|
|
|
function findNext(cm, prev, query, repeat) {
|
|
|
if (repeat === undefined) { repeat = 1; }
|
|
|
return cm.operation(function() {
|
|
|
var pos = cm.getCursor();
|
|
|
if (!prev) {
|
|
|
pos.ch += 1;
|
|
|
}
|
|
|
var cursor = cm.getSearchCursor(query, pos);
|
|
|
for (var i = 0; i < repeat; i++) {
|
|
|
if (!cursor.find(prev)) {
|
|
|
// SearchCursor may have returned null because it hit EOF, wrap
|
|
|
// around and try again.
|
|
|
cursor = cm.getSearchCursor(query,
|
|
|
(prev) ? { line: cm.lastLine() } : {line: cm.firstLine(), ch: 0} );
|
|
|
if (!cursor.find(prev)) {
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return cursor.from();
|
|
|
});}
|
|
|
function clearSearchHighlight(cm) {
|
|
|
cm.removeOverlay(getSearchState(cm).getOverlay());
|
|
|
getSearchState(cm).setOverlay(null);
|
|
|
}
|
|
|
/**
|
|
|
* Check if pos is in the specified range, INCLUSIVE.
|
|
|
* Range can be specified with 1 or 2 arguments.
|
|
|
* If the first range argument is an array, treat it as an array of line
|
|
|
* numbers. Match pos against any of the lines.
|
|
|
* If the first range argument is a number,
|
|
|
* if there is only 1 range argument, check if pos has the same line
|
|
|
* number
|
|
|
* if there are 2 range arguments, then check if pos is in between the two
|
|
|
* range arguments.
|
|
|
*/
|
|
|
function isInRange(pos, start, end) {
|
|
|
if (typeof pos != 'number') {
|
|
|
// Assume it is a cursor position. Get the line number.
|
|
|
pos = pos.line;
|
|
|
}
|
|
|
if (start instanceof Array) {
|
|
|
return inArray(pos, start);
|
|
|
} else {
|
|
|
if (end) {
|
|
|
return (pos >= start && pos <= end);
|
|
|
} else {
|
|
|
return pos == start;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
function getUserVisibleLines(cm) {
|
|
|
var scrollInfo = cm.getScrollInfo();
|
|
|
var occludeTorleranceTop = 6;
|
|
|
var occludeTorleranceBottom = 10;
|
|
|
var from = cm.coordsChar({left:0, top: occludeTorleranceTop}, 'local');
|
|
|
var bottomY = scrollInfo.clientHeight - occludeTorleranceBottom;
|
|
|
var to = cm.coordsChar({left:0, top: bottomY}, 'local');
|
|
|
return {top: from.line, bottom: to.line};
|
|
|
}
|
|
|
|
|
|
// Ex command handling
|
|
|
// Care must be taken when adding to the default Ex command map. For any
|
|
|
// pair of commands that have a shared prefix, at least one of their
|
|
|
// shortNames must not match the prefix of the other command.
|
|
|
var defaultExCommandMap = [
|
|
|
{ name: 'map', type: 'builtIn' },
|
|
|
{ name: 'write', shortName: 'w', type: 'builtIn' },
|
|
|
{ name: 'undo', shortName: 'u', type: 'builtIn' },
|
|
|
{ name: 'redo', shortName: 'red', type: 'builtIn' },
|
|
|
{ name: 'substitute', shortName: 's', type: 'builtIn'},
|
|
|
{ name: 'nohlsearch', shortName: 'noh', type: 'builtIn'},
|
|
|
{ name: 'delmarks', shortName: 'delm', type: 'builtin'}
|
|
|
];
|
|
|
Vim.ExCommandDispatcher = function() {
|
|
|
this.buildCommandMap_();
|
|
|
};
|
|
|
Vim.ExCommandDispatcher.prototype = {
|
|
|
processCommand: function(cm, input) {
|
|
|
var inputStream = new CodeMirror.StringStream(input);
|
|
|
var params = {};
|
|
|
params.input = input;
|
|
|
try {
|
|
|
this.parseInput_(cm, inputStream, params);
|
|
|
} catch(e) {
|
|
|
showConfirm(cm, e);
|
|
|
return;
|
|
|
}
|
|
|
var commandName;
|
|
|
if (!params.commandName) {
|
|
|
// If only a line range is defined, move to the line.
|
|
|
if (params.line !== undefined) {
|
|
|
commandName = 'move';
|
|
|
}
|
|
|
} else {
|
|
|
var command = this.matchCommand_(params.commandName);
|
|
|
if (command) {
|
|
|
commandName = command.name;
|
|
|
this.parseCommandArgs_(inputStream, params, command);
|
|
|
if (command.type == 'exToKey') {
|
|
|
// Handle Ex to Key mapping.
|
|
|
for (var i = 0; i < command.toKeys.length; i++) {
|
|
|
vim.handleKey(cm, command.toKeys[i]);
|
|
|
}
|
|
|
return;
|
|
|
} else if (command.type == 'exToEx') {
|
|
|
// Handle Ex to Ex mapping.
|
|
|
this.processCommand(cm, command.toInput);
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if (!commandName) {
|
|
|
showConfirm(cm, 'Not an editor command ":' + input + '"');
|
|
|
return;
|
|
|
}
|
|
|
exCommands[commandName](cm, params);
|
|
|
},
|
|
|
parseInput_: function(cm, inputStream, result) {
|
|
|
inputStream.eatWhile(':');
|
|
|
// Parse range.
|
|
|
if (inputStream.eat('%')) {
|
|
|
result.line = cm.firstLine();
|
|
|
result.lineEnd = cm.lastLine();
|
|
|
} else {
|
|
|
result.line = this.parseLineSpec_(cm, inputStream);
|
|
|
if (result.line !== undefined && inputStream.eat(',')) {
|
|
|
result.lineEnd = this.parseLineSpec_(cm, inputStream);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Parse command name.
|
|
|
var commandMatch = inputStream.match(/^(\w+)/);
|
|
|
if (commandMatch) {
|
|
|
result.commandName = commandMatch[1];
|
|
|
} else {
|
|
|
result.commandName = inputStream.match(/.*/)[0];
|
|
|
}
|
|
|
|
|
|
return result;
|
|
|
},
|
|
|
parseLineSpec_: function(cm, inputStream) {
|
|
|
var numberMatch = inputStream.match(/^(\d+)/);
|
|
|
if (numberMatch) {
|
|
|
return parseInt(numberMatch[1], 10) - 1;
|
|
|
}
|
|
|
switch (inputStream.next()) {
|
|
|
case '.':
|
|
|
return cm.getCursor().line;
|
|
|
case '$':
|
|
|
return cm.lastLine();
|
|
|
case '\'':
|
|
|
var mark = getVimState(cm).marks[inputStream.next()];
|
|
|
if (mark && mark.find()) {
|
|
|
return mark.find().line;
|
|
|
} else {
|
|
|
throw "Mark not set";
|
|
|
}
|
|
|
break;
|
|
|
default:
|
|
|
inputStream.backUp(1);
|
|
|
return cm.getCursor().line;
|
|
|
}
|
|
|
},
|
|
|
parseCommandArgs_: function(inputStream, params, command) {
|
|
|
if (inputStream.eol()) {
|
|
|
return;
|
|
|
}
|
|
|
params.argString = inputStream.match(/.*/)[0];
|
|
|
// Parse command-line arguments
|
|
|
var delim = command.argDelimiter || /\s+/;
|
|
|
var args = trim(params.argString).split(delim);
|
|
|
if (args.length && args[0]) {
|
|
|
params.args = args;
|
|
|
}
|
|
|
},
|
|
|
matchCommand_: function(commandName) {
|
|
|
// Return the command in the command map that matches the shortest
|
|
|
// prefix of the passed in command name. The match is guaranteed to be
|
|
|
// unambiguous if the defaultExCommandMap's shortNames are set up
|
|
|
// correctly. (see @code{defaultExCommandMap}).
|
|
|
for (var i = commandName.length; i > 0; i--) {
|
|
|
var prefix = commandName.substring(0, i);
|
|
|
if (this.commandMap_[prefix]) {
|
|
|
var command = this.commandMap_[prefix];
|
|
|
if (command.name.indexOf(commandName) === 0) {
|
|
|
return command;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return null;
|
|
|
},
|
|
|
buildCommandMap_: function() {
|
|
|
this.commandMap_ = {};
|
|
|
for (var i = 0; i < defaultExCommandMap.length; i++) {
|
|
|
var command = defaultExCommandMap[i];
|
|
|
var key = command.shortName || command.name;
|
|
|
this.commandMap_[key] = command;
|
|
|
}
|
|
|
},
|
|
|
map: function(lhs, rhs) {
|
|
|
if (lhs != ':' && lhs.charAt(0) == ':') {
|
|
|
var commandName = lhs.substring(1);
|
|
|
if (rhs != ':' && rhs.charAt(0) == ':') {
|
|
|
// Ex to Ex mapping
|
|
|
this.commandMap_[commandName] = {
|
|
|
name: commandName,
|
|
|
type: 'exToEx',
|
|
|
toInput: rhs.substring(1)
|
|
|
};
|
|
|
} else {
|
|
|
// Ex to key mapping
|
|
|
this.commandMap_[commandName] = {
|
|
|
name: commandName,
|
|
|
type: 'exToKey',
|
|
|
toKeys: parseKeyString(rhs)
|
|
|
};
|
|
|
}
|
|
|
} else {
|
|
|
if (rhs != ':' && rhs.charAt(0) == ':') {
|
|
|
// Key to Ex mapping.
|
|
|
defaultKeymap.unshift({
|
|
|
keys: parseKeyString(lhs),
|
|
|
type: 'keyToEx',
|
|
|
exArgs: { input: rhs.substring(1) }});
|
|
|
} else {
|
|
|
// Key to key mapping
|
|
|
defaultKeymap.unshift({
|
|
|
keys: parseKeyString(lhs),
|
|
|
type: 'keyToKey',
|
|
|
toKeys: parseKeyString(rhs)
|
|
|
});
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
// Converts a key string sequence of the form a<C-w>bd<Left> into Vim's
|
|
|
// keymap representation.
|
|
|
function parseKeyString(str) {
|
|
|
var idx = 0;
|
|
|
var keys = [];
|
|
|
while (idx < str.length) {
|
|
|
if (str.charAt(idx) != '<') {
|
|
|
keys.push(str.charAt(idx));
|
|
|
idx++;
|
|
|
continue;
|
|
|
}
|
|
|
// Vim key notation here means desktop Vim key-notation.
|
|
|
// See :help key-notation in desktop Vim.
|
|
|
var vimKeyNotationStart = ++idx;
|
|
|
while (str.charAt(idx++) != '>') {}
|
|
|
var vimKeyNotation = str.substring(vimKeyNotationStart, idx - 1);
|
|
|
var mod='';
|
|
|
var match = (/^C-(.+)$/).exec(vimKeyNotation);
|
|
|
if (match) {
|
|
|
mod='Ctrl-';
|
|
|
vimKeyNotation=match[1];
|
|
|
}
|
|
|
var key;
|
|
|
switch (vimKeyNotation) {
|
|
|
case 'BS':
|
|
|
key = 'Backspace';
|
|
|
break;
|
|
|
case 'CR':
|
|
|
key = 'Enter';
|
|
|
break;
|
|
|
case 'Del':
|
|
|
key = 'Delete';
|
|
|
break;
|
|
|
default:
|
|
|
key = vimKeyNotation;
|
|
|
break;
|
|
|
}
|
|
|
keys.push(mod + key);
|
|
|
}
|
|
|
return keys;
|
|
|
}
|
|
|
|
|
|
var exCommands = {
|
|
|
map: function(cm, params) {
|
|
|
var mapArgs = params.args;
|
|
|
if (!mapArgs || mapArgs.length < 2) {
|
|
|
if (cm) {
|
|
|
showConfirm(cm, 'Invalid mapping: ' + params.input);
|
|
|
}
|
|
|
return;
|
|
|
}
|
|
|
exCommandDispatcher.map(mapArgs[0], mapArgs[1], cm);
|
|
|
},
|
|
|
move: function(cm, params) {
|
|
|
commandDispatcher.processCommand(cm, getVimState(cm), {
|
|
|
type: 'motion',
|
|
|
motion: 'moveToLineOrEdgeOfDocument',
|
|
|
motionArgs: { forward: false, explicitRepeat: true,
|
|
|
linewise: true },
|
|
|
repeatOverride: params.line+1});
|
|
|
},
|
|
|
substitute: function(cm, params) {
|
|
|
var argString = params.argString;
|
|
|
var slashes = findUnescapedSlashes(argString);
|
|
|
if (slashes[0] !== 0) {
|
|
|
showConfirm(cm, 'Substitutions should be of the form ' +
|
|
|
':s/pattern/replace/');
|
|
|
return;
|
|
|
}
|
|
|
var regexPart = argString.substring(slashes[0] + 1, slashes[1]);
|
|
|
var replacePart = '';
|
|
|
var flagsPart;
|
|
|
var count;
|
|
|
if (slashes[1]) {
|
|
|
replacePart = argString.substring(slashes[1] + 1, slashes[2]);
|
|
|
}
|
|
|
if (slashes[2]) {
|
|
|
// After the 3rd slash, we can have flags followed by a space followed
|
|
|
// by count.
|
|
|
var trailing = argString.substring(slashes[2] + 1).split(' ');
|
|
|
flagsPart = trailing[0];
|
|
|
count = parseInt(trailing[1]);
|
|
|
}
|
|
|
if (flagsPart) {
|
|
|
regexPart = regexPart + '/' + flagsPart;
|
|
|
}
|
|
|
if (regexPart) {
|
|
|
// If regex part is empty, then use the previous query. Otherwise use
|
|
|
// the regex part as the new query.
|
|
|
try {
|
|
|
updateSearchQuery(cm, regexPart, true /** ignoreCase */,
|
|
|
true /** smartCase */);
|
|
|
} catch (e) {
|
|
|
showConfirm(cm, 'Invalid regex: ' + regexPart);
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
var state = getSearchState(cm);
|
|
|
var query = state.getQuery();
|
|
|
var lineStart = params.line || cm.firstLine();
|
|
|
var lineEnd = params.lineEnd || lineStart;
|
|
|
if (count) {
|
|
|
lineStart = lineEnd;
|
|
|
lineEnd = lineStart + count - 1;
|
|
|
}
|
|
|
var startPos = clipCursorToContent(cm, { line: lineStart, ch: 0 });
|
|
|
function doReplace() {
|
|
|
for (var cursor = cm.getSearchCursor(query, startPos);
|
|
|
cursor.findNext() &&
|
|
|
isInRange(cursor.from(), lineStart, lineEnd);) {
|
|
|
var text = cm.getRange(cursor.from(), cursor.to());
|
|
|
var newText = text.replace(query, replacePart);
|
|
|
cursor.replace(newText);
|
|
|
}
|
|
|
var vim = getVimState(cm);
|
|
|
if (vim.visualMode) {
|
|
|
exitVisualMode(cm, vim);
|
|
|
}
|
|
|
}
|
|
|
cm.operation(doReplace);
|
|
|
},
|
|
|
redo: CodeMirror.commands.redo,
|
|
|
undo: CodeMirror.commands.undo,
|
|
|
write: function(cm) {
|
|
|
if (CodeMirror.commands.save) {
|
|
|
// If a save command is defined, call it.
|
|
|
CodeMirror.commands.save(cm);
|
|
|
} else {
|
|
|
// Saves to text area if no save command is defined.
|
|
|
cm.save();
|
|
|
}
|
|
|
},
|
|
|
nohlsearch: function(cm) {
|
|
|
clearSearchHighlight(cm);
|
|
|
},
|
|
|
delmarks: function(cm, params) {
|
|
|
if (!params.argString || !params.argString.trim()) {
|
|
|
showConfirm(cm, 'Argument required');
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
var state = getVimState(cm);
|
|
|
var stream = new CodeMirror.StringStream(params.argString.trim());
|
|
|
while (!stream.eol()) {
|
|
|
stream.eatSpace();
|
|
|
|
|
|
// Record the streams position at the beginning of the loop for use
|
|
|
// in error messages.
|
|
|
var count = stream.pos;
|
|
|
|
|
|
if (!stream.match(/[a-zA-Z]/, false)) {
|
|
|
showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
var sym = stream.next();
|
|
|
// Check if this symbol is part of a range
|
|
|
if (stream.match('-', true)) {
|
|
|
// This symbol is part of a range.
|
|
|
|
|
|
// The range must terminate at an alphabetic character.
|
|
|
if (!stream.match(/[a-zA-Z]/, false)) {
|
|
|
showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
var startMark = sym;
|
|
|
var finishMark = stream.next();
|
|
|
// The range must terminate at an alphabetic character which
|
|
|
// shares the same case as the start of the range.
|
|
|
if (isLowerCase(startMark) && isLowerCase(finishMark) ||
|
|
|
isUpperCase(startMark) && isUpperCase(finishMark)) {
|
|
|
var start = startMark.charCodeAt(0);
|
|
|
var finish = finishMark.charCodeAt(0);
|
|
|
if (start >= finish) {
|
|
|
showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// Because marks are always ASCII values, and we have
|
|
|
// determined that they are the same case, we can use
|
|
|
// their char codes to iterate through the defined range.
|
|
|
for (var j = 0; j <= finish - start; j++) {
|
|
|
var mark = String.fromCharCode(start + j);
|
|
|
delete state.marks[mark];
|
|
|
}
|
|
|
} else {
|
|
|
showConfirm(cm, 'Invalid argument: ' + startMark + "-");
|
|
|
return;
|
|
|
}
|
|
|
} else {
|
|
|
// This symbol is a valid mark, and is not part of a range.
|
|
|
delete state.marks[sym];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var exCommandDispatcher = new Vim.ExCommandDispatcher();
|
|
|
|
|
|
// Register Vim with CodeMirror
|
|
|
function buildVimKeyMap() {
|
|
|
/**
|
|
|
* Handle the raw key event from CodeMirror. Translate the
|
|
|
* Shift + key modifier to the resulting letter, while preserving other
|
|
|
* modifers.
|
|
|
*/
|
|
|
// TODO: Figure out a way to catch capslock.
|
|
|
function handleKeyEvent_(cm, key, modifier) {
|
|
|
if (isUpperCase(key)) {
|
|
|
// Convert to lower case if shift is not the modifier since the key
|
|
|
// we get from CodeMirror is always upper case.
|
|
|
if (modifier == 'Shift') {
|
|
|
modifier = null;
|
|
|
}
|
|
|
else {
|
|
|
key = key.toLowerCase();
|
|
|
}
|
|
|
}
|
|
|
if (modifier) {
|
|
|
// Vim will parse modifier+key combination as a single key.
|
|
|
key = modifier + '-' + key;
|
|
|
}
|
|
|
vim.handleKey(cm, key);
|
|
|
}
|
|
|
|
|
|
// Closure to bind CodeMirror, key, modifier.
|
|
|
function keyMapper(key, modifier) {
|
|
|
return function(cm) {
|
|
|
handleKeyEvent_(cm, key, modifier);
|
|
|
};
|
|
|
}
|
|
|
|
|
|
var modifiers = ['Shift', 'Ctrl'];
|
|
|
var keyMap = {
|
|
|
'nofallthrough': true,
|
|
|
'style': 'fat-cursor'
|
|
|
};
|
|
|
function bindKeys(keys, modifier) {
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
|
var key = keys[i];
|
|
|
if (!modifier && inArray(key, specialSymbols)) {
|
|
|
// Wrap special symbols with '' because that's how CodeMirror binds
|
|
|
// them.
|
|
|
key = "'" + key + "'";
|
|
|
}
|
|
|
if (modifier) {
|
|
|
keyMap[modifier + '-' + key] = keyMapper(keys[i], modifier);
|
|
|
} else {
|
|
|
keyMap[key] = keyMapper(keys[i]);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
bindKeys(upperCaseAlphabet);
|
|
|
bindKeys(upperCaseAlphabet, 'Shift');
|
|
|
bindKeys(upperCaseAlphabet, 'Ctrl');
|
|
|
bindKeys(specialSymbols);
|
|
|
bindKeys(specialSymbols, 'Ctrl');
|
|
|
bindKeys(numbers);
|
|
|
bindKeys(numbers, 'Ctrl');
|
|
|
bindKeys(specialKeys);
|
|
|
bindKeys(specialKeys, 'Ctrl');
|
|
|
return keyMap;
|
|
|
}
|
|
|
CodeMirror.keyMap.vim = buildVimKeyMap();
|
|
|
|
|
|
function exitInsertMode(cm) {
|
|
|
cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1, true);
|
|
|
cm.setOption('keyMap', 'vim');
|
|
|
}
|
|
|
|
|
|
CodeMirror.keyMap['vim-insert'] = {
|
|
|
// TODO: override navigation keys so that Esc will cancel automatic
|
|
|
// indentation from o, O, i_<CR>
|
|
|
'Esc': exitInsertMode,
|
|
|
'Ctrl-[': exitInsertMode,
|
|
|
'Ctrl-C': exitInsertMode,
|
|
|
'Ctrl-N': 'autocomplete',
|
|
|
'Ctrl-P': 'autocomplete',
|
|
|
'Enter': function(cm) {
|
|
|
var fn = CodeMirror.commands.newlineAndIndentContinueComment ||
|
|
|
CodeMirror.commands.newlineAndIndent;
|
|
|
fn(cm);
|
|
|
},
|
|
|
fallthrough: ['default']
|
|
|
};
|
|
|
|
|
|
return vimApi;
|
|
|
};
|
|
|
// Initialize Vim and make it available as an API.
|
|
|
var vim = Vim();
|
|
|
CodeMirror.Vim = vim;
|
|
|
}
|
|
|
)();
|
|
|
|
