##// END OF EJS Templates
patch SingleOperator in CodeMirror2
patch SingleOperator in CodeMirror2

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vim.js
785 lines | 26.2 KiB | application/javascript | JavascriptLexer
// Supported keybindings:
//
// Cursor movement:
// h, j, k, l
// e, E, w, W, b, B
// Ctrl-f, Ctrl-b
// Ctrl-n, Ctrl-p
// $, ^, 0
// G
// ge, gE
// gg
// f<char>, F<char>, t<char>, T<char>
// Ctrl-o, Ctrl-i TODO (FIXME - Ctrl-O wont work in Chrome)
// /, ?, n, N TODO (does not work)
// #, * TODO
//
// Entering insert mode:
// i, I, a, A, o, O
// s
// ce, cb (without support for number of actions like c3e - TODO)
// cc
// S, C TODO
// cf<char>, cF<char>, ct<char>, cT<char>
//
// Deleting text:
// x, X
// J
// dd, D
// de, db (without support for number of actions like d3e - TODO)
// df<char>, dF<char>, dt<char>, dT<char>
//
// Yanking and pasting:
// yy, Y
// p, P
// p'<char> TODO - test
// y'<char> TODO - test
// m<char> TODO - test
//
// Changing text in place:
// ~
// r<char>
//
// Visual mode:
// v, V TODO
//
// Misc:
// . TODO
//
(function() {
var count = "";
var sdir = "f";
var buf = "";
var yank = 0;
var mark = [];
var reptTimes = 0;
function emptyBuffer() { buf = ""; }
function pushInBuffer(str) { buf += str; }
function pushCountDigit(digit) { return function(cm) {count += digit;}; }
function popCount() { var i = parseInt(count, 10); count = ""; return i || 1; }
function iterTimes(func) {
for (var i = 0, c = popCount(); i < c; ++i) func(i, i == c - 1);
}
function countTimes(func) {
if (typeof func == "string") func = CodeMirror.commands[func];
return function(cm) { iterTimes(function () { func(cm); }); };
}
function iterObj(o, f) {
for (var prop in o) if (o.hasOwnProperty(prop)) f(prop, o[prop]);
}
function iterList(l, f) {
for (var i in l) f(l[i]);
}
function toLetter(ch) {
// T -> t, Shift-T -> T, '*' -> *, "Space" -> " "
if (ch.slice(0, 6) == "Shift-") {
return ch.slice(0, 1);
} else {
if (ch == "Space") return " ";
if (ch.length == 3 && ch[0] == "'" && ch[2] == "'") return ch[1];
return ch.toLowerCase();
}
}
var SPECIAL_SYMBOLS = "~`!@#$%^&*()_-+=[{}]\\|/?.,<>:;\"\'1234567890";
function toCombo(ch) {
// t -> T, T -> Shift-T, * -> '*', " " -> "Space"
if (ch == " ") return "Space";
var specialIdx = SPECIAL_SYMBOLS.indexOf(ch);
if (specialIdx != -1) return "'" + ch + "'";
if (ch.toLowerCase() == ch) return ch.toUpperCase();
return "Shift-" + ch.toUpperCase();
}
var word = [/\w/, /[^\w\s]/], bigWord = [/\S/];
function findWord(line, pos, dir, regexps) {
var stop = 0, next = -1;
if (dir > 0) { stop = line.length; next = 0; }
var start = stop, end = stop;
// Find bounds of next one.
outer: for (; pos != stop; pos += dir) {
for (var i = 0; i < regexps.length; ++i) {
if (regexps[i].test(line.charAt(pos + next))) {
start = pos;
for (; pos != stop; pos += dir) {
if (!regexps[i].test(line.charAt(pos + next))) break;
}
end = pos;
break outer;
}
}
}
return {from: Math.min(start, end), to: Math.max(start, end)};
}
function moveToWord(cm, regexps, dir, times, where) {
var cur = cm.getCursor();
for (var i = 0; i < times; i++) {
var line = cm.getLine(cur.line), startCh = cur.ch, word;
while (true) {
// If we're at start/end of line, start on prev/next respectivly
if (cur.ch == line.length && dir > 0) {
cur.line++;
cur.ch = 0;
line = cm.getLine(cur.line);
} else if (cur.ch == 0 && dir < 0) {
cur.line--;
cur.ch = line.length;
line = cm.getLine(cur.line);
}
if (!line) break;
// On to the actual searching
word = findWord(line, cur.ch, dir, regexps);
cur.ch = word[where == "end" ? "to" : "from"];
if (startCh == cur.ch && word.from != word.to) cur.ch = word[dir < 0 ? "from" : "to"];
else break;
}
}
return cur;
}
function joinLineNext(cm) {
var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line);
CodeMirror.commands.goLineEnd(cm);
if (cur.line != cm.lineCount()) {
CodeMirror.commands.goLineEnd(cm);
cm.replaceSelection(" ", "end");
CodeMirror.commands.delCharRight(cm);
}
}
function delTillMark(cm, cHar) {
var i = mark[cHar];
if (i === undefined) {
// console.log("Mark not set"); // TODO - show in status bar
return;
}
var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
cm.setCursor(start);
for (var c = start; c <= end; c++) {
pushInBuffer("\n"+cm.getLine(start));
cm.removeLine(start);
}
}
function yankTillMark(cm, cHar) {
var i = mark[cHar];
if (i === undefined) {
// console.log("Mark not set"); // TODO - show in status bar
return;
}
var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
for (var c = start; c <= end; c++) {
pushInBuffer("\n"+cm.getLine(c));
}
cm.setCursor(start);
}
function goLineStartText(cm) {
// Go to the start of the line where the text begins, or the end for whitespace-only lines
var cur = cm.getCursor(), firstNonWS = cm.getLine(cur.line).search(/\S/);
cm.setCursor(cur.line, firstNonWS == -1 ? line.length : firstNonWS, true);
}
function charIdxInLine(cm, cHar, motion_options) {
// Search for cHar in line.
// motion_options: {forward, inclusive}
// If inclusive = true, include it too.
// If forward = true, search forward, else search backwards.
// If char is not found on this line, do nothing
var cur = cm.getCursor(), line = cm.getLine(cur.line), idx;
var ch = toLetter(cHar), mo = motion_options;
if (mo.forward) {
idx = line.indexOf(ch, cur.ch + 1);
if (idx != -1 && mo.inclusive) idx += 1;
} else {
idx = line.lastIndexOf(ch, cur.ch);
if (idx != -1 && !mo.inclusive) idx += 1;
}
return idx;
}
function moveTillChar(cm, cHar, motion_options) {
// Move to cHar in line, as found by charIdxInLine.
var idx = charIdxInLine(cm, cHar, motion_options), cur = cm.getCursor();
if (idx != -1) cm.setCursor({line: cur.line, ch: idx});
}
function delTillChar(cm, cHar, motion_options) {
// delete text in this line, untill cHar is met,
// as found by charIdxInLine.
// If char is not found on this line, do nothing
var idx = charIdxInLine(cm, cHar, motion_options);
var cur = cm.getCursor();
if (idx !== -1) {
if (motion_options.forward) {
cm.replaceRange("", {line: cur.line, ch: cur.ch}, {line: cur.line, ch: idx});
} else {
cm.replaceRange("", {line: cur.line, ch: idx}, {line: cur.line, ch: cur.ch});
}
}
}
function enterInsertMode(cm) {
// enter insert mode: switch mode and cursor
popCount();
cm.setOption("keyMap", "vim-insert");
}
function dialog(cm, text, shortText, f) {
if (cm.openDialog) cm.openDialog(text, f);
else f(prompt(shortText, ""));
}
function showAlert(cm, text) {
if (cm.openDialog) cm.openDialog(CodeMirror.htmlEscape(text) + " <button type=button>OK</button>");
else alert(text);
}
// main keymap
var map = CodeMirror.keyMap.vim = {
// Pipe (|); TODO: should be *screen* chars, so need a util function to turn tabs into spaces?
"'|'": function(cm) {
cm.setCursor(cm.getCursor().line, popCount() - 1, true);
},
"A": function(cm) {
cm.setCursor(cm.getCursor().line, cm.getCursor().ch+1, true);
enterInsertMode(cm);
},
"Shift-A": function(cm) { CodeMirror.commands.goLineEnd(cm); enterInsertMode(cm);},
"I": function(cm) { enterInsertMode(cm);},
"Shift-I": function(cm) { goLineStartText(cm); enterInsertMode(cm);},
"O": function(cm) {
CodeMirror.commands.goLineEnd(cm);
CodeMirror.commands.newlineAndIndent(cm);
enterInsertMode(cm);
},
"Shift-O": function(cm) {
CodeMirror.commands.goLineStart(cm);
cm.replaceSelection("\n", "start");
cm.indentLine(cm.getCursor().line);
enterInsertMode(cm);
},
"G": function(cm) { cm.setOption("keyMap", "vim-prefix-g");},
"Shift-D": function(cm) {
// commented out verions works, but I left original, cause maybe
// I don't know vim enouth to see what it does
/* var cur = cm.getCursor();
var f = {line: cur.line, ch: cur.ch}, t = {line: cur.line};
pushInBuffer(cm.getRange(f, t));
*/
emptyBuffer();
mark["Shift-D"] = cm.getCursor(false).line;
cm.setCursor(cm.getCursor(true).line);
delTillMark(cm,"Shift-D"); mark = [];
},
"S": function (cm) {
countTimes(function (_cm) {
CodeMirror.commands.delCharRight(_cm);
})(cm);
enterInsertMode(cm);
},
"M": function(cm) {cm.setOption("keyMap", "vim-prefix-m"); mark = [];},
"Y": function(cm) {cm.setOption("keyMap", "vim-prefix-y"); emptyBuffer(); yank = 0;},
"Shift-Y": function(cm) {
emptyBuffer();
mark["Shift-D"] = cm.getCursor(false).line;
cm.setCursor(cm.getCursor(true).line);
yankTillMark(cm,"Shift-D"); mark = [];
},
"/": function(cm) {var f = CodeMirror.commands.find; f && f(cm); sdir = "f";},
"'?'": function(cm) {
var f = CodeMirror.commands.find;
if (f) { f(cm); CodeMirror.commands.findPrev(cm); sdir = "r"; }
},
"N": function(cm) {
var fn = CodeMirror.commands.findNext;
if (fn) sdir != "r" ? fn(cm) : CodeMirror.commands.findPrev(cm);
},
"Shift-N": function(cm) {
var fn = CodeMirror.commands.findNext;
if (fn) sdir != "r" ? CodeMirror.commands.findPrev(cm) : fn.findNext(cm);
},
"Shift-G": function(cm) {
count == "" ? cm.setCursor(cm.lineCount()) : cm.setCursor(parseInt(count, 10)-1);
popCount();
CodeMirror.commands.goLineStart(cm);
},
"':'": function(cm) {
var exModeDialog = ': <input type="text" style="width: 90%"/>';
dialog(cm, exModeDialog, ':', function(command) {
if (command.match(/^\d+$/)) {
cm.setCursor(command - 1, cm.getCursor().ch);
} else {
showAlert(cm, "Bad command: " + command);
}
});
},
nofallthrough: true, style: "fat-cursor"
};
// standard mode switching
iterList(["d", "t", "T", "f", "F", "c", "r"],
function (ch) {
CodeMirror.keyMap.vim[toCombo(ch)] = function (cm) {
cm.setOption("keyMap", "vim-prefix-" + ch);
emptyBuffer();
};
});
function addCountBindings(keyMap) {
// Add bindings for number keys
keyMap["0"] = function(cm) {
count.length > 0 ? pushCountDigit("0")(cm) : CodeMirror.commands.goLineStart(cm);
};
for (var i = 1; i < 10; ++i) keyMap[i] = pushCountDigit(i);
}
addCountBindings(CodeMirror.keyMap.vim);
// main num keymap
// Add bindings that are influenced by number keys
iterObj({
"Left": "goColumnLeft", "Right": "goColumnRight",
"Down": "goLineDown", "Up": "goLineUp", "Backspace": "goCharLeft",
"Space": "goCharRight",
"X": function(cm) {CodeMirror.commands.delCharRight(cm);},
"P": function(cm) {
var cur = cm.getCursor().line;
if (buf!= "") {
if (buf[0] == "\n") CodeMirror.commands.goLineEnd(cm);
cm.replaceRange(buf, cm.getCursor());
}
},
"Shift-X": function(cm) {CodeMirror.commands.delCharLeft(cm);},
"Shift-J": function(cm) {joinLineNext(cm);},
"Shift-P": function(cm) {
var cur = cm.getCursor().line;
if (buf!= "") {
CodeMirror.commands.goLineUp(cm);
CodeMirror.commands.goLineEnd(cm);
cm.replaceSelection(buf, "end");
}
cm.setCursor(cur+1);
},
"'~'": function(cm) {
var cur = cm.getCursor(), cHar = cm.getRange({line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1});
cHar = cHar != cHar.toLowerCase() ? cHar.toLowerCase() : cHar.toUpperCase();
cm.replaceRange(cHar, {line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1});
cm.setCursor(cur.line, cur.ch+1);
},
"Ctrl-B": function(cm) {CodeMirror.commands.goPageUp(cm);},
"Ctrl-F": function(cm) {CodeMirror.commands.goPageDown(cm);},
"Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
"U": "undo", "Ctrl-R": "redo"
}, function(key, cmd) { map[key] = countTimes(cmd); });
// empty key maps
iterList([
"vim-prefix-d'",
"vim-prefix-y'",
"vim-prefix-df",
"vim-prefix-dF",
"vim-prefix-dt",
"vim-prefix-dT",
"vim-prefix-c",
"vim-prefix-cf",
"vim-prefix-cF",
"vim-prefix-ct",
"vim-prefix-cT",
"vim-prefix-",
"vim-prefix-f",
"vim-prefix-F",
"vim-prefix-t",
"vim-prefix-T",
"vim-prefix-r",
"vim-prefix-m"
],
function (prefix) {
CodeMirror.keyMap[prefix] = {
auto: "vim",
nofallthrough: true,
style: "fat-cursor"
};
});
CodeMirror.keyMap["vim-prefix-g"] = {
"E": countTimes(function(cm) { cm.setCursor(moveToWord(cm, word, -1, 1, "start"));}),
"Shift-E": countTimes(function(cm) { cm.setCursor(moveToWord(cm, bigWord, -1, 1, "start"));}),
"G": function (cm) { cm.setCursor({line: 0, ch: cm.getCursor().ch});},
auto: "vim", nofallthrough: true, style: "fat-cursor"
};
CodeMirror.keyMap["vim-prefix-d"] = {
"D": countTimes(function(cm) {
pushInBuffer("\n"+cm.getLine(cm.getCursor().line));
cm.removeLine(cm.getCursor().line);
cm.setOption("keyMap", "vim");
}),
"'": function(cm) {
cm.setOption("keyMap", "vim-prefix-d'");
emptyBuffer();
},
"B": function(cm) {
var cur = cm.getCursor();
var line = cm.getLine(cur.line);
var index = line.lastIndexOf(" ", cur.ch);
pushInBuffer(line.substring(index, cur.ch));
cm.replaceRange("", {line: cur.line, ch: index}, cur);
cm.setOption("keyMap", "vim");
},
nofallthrough: true, style: "fat-cursor"
};
// FIXME - does not work for bindings like "d3e"
addCountBindings(CodeMirror.keyMap["vim-prefix-d"]);
CodeMirror.keyMap["vim-prefix-c"] = {
"B": function (cm) {
countTimes("delWordLeft")(cm);
enterInsertMode(cm);
},
"C": function (cm) {
iterTimes(function (i, last) {
CodeMirror.commands.deleteLine(cm);
if (i) {
CodeMirror.commands.delCharRight(cm);
if (last) CodeMirror.commands.deleteLine(cm);
}
});
enterInsertMode(cm);
},
nofallthrough: true, style: "fat-cursor"
};
iterList(["vim-prefix-d", "vim-prefix-c", "vim-prefix-"], function (prefix) {
iterList(["f", "F", "T", "t"],
function (ch) {
CodeMirror.keyMap[prefix][toCombo(ch)] = function (cm) {
cm.setOption("keyMap", prefix + ch);
emptyBuffer();
};
});
});
var MOTION_OPTIONS = {
"t": {inclusive: false, forward: true},
"f": {inclusive: true, forward: true},
"T": {inclusive: false, forward: false},
"F": {inclusive: true, forward: false}
};
function setupPrefixBindingForKey(m) {
CodeMirror.keyMap["vim-prefix-m"][m] = function(cm) {
mark[m] = cm.getCursor().line;
};
CodeMirror.keyMap["vim-prefix-d'"][m] = function(cm) {
delTillMark(cm,m);
};
CodeMirror.keyMap["vim-prefix-y'"][m] = function(cm) {
yankTillMark(cm,m);
};
CodeMirror.keyMap["vim-prefix-r"][m] = function (cm) {
var cur = cm.getCursor();
cm.replaceRange(toLetter(m),
{line: cur.line, ch: cur.ch},
{line: cur.line, ch: cur.ch + 1});
CodeMirror.commands.goColumnLeft(cm);
};
// all commands, related to motions till char in line
iterObj(MOTION_OPTIONS, function (ch, options) {
CodeMirror.keyMap["vim-prefix-" + ch][m] = function(cm) {
moveTillChar(cm, m, options);
};
CodeMirror.keyMap["vim-prefix-d" + ch][m] = function(cm) {
delTillChar(cm, m, options);
};
CodeMirror.keyMap["vim-prefix-c" + ch][m] = function(cm) {
delTillChar(cm, m, options);
enterInsertMode(cm);
};
});
}
for (var i = 65; i < 65 + 26; i++) { // uppercase alphabet char codes
var ch = String.fromCharCode(i);
setupPrefixBindingForKey(toCombo(ch));
setupPrefixBindingForKey(toCombo(ch.toLowerCase()));
}
iterList(SPECIAL_SYMBOLS, function (ch) {
setupPrefixBindingForKey(toCombo(ch));
});
setupPrefixBindingForKey("Space");
CodeMirror.keyMap["vim-prefix-y"] = {
"Y": countTimes(function(cm) { pushInBuffer("\n"+cm.getLine(cm.getCursor().line+yank)); yank++; }),
"'": function(cm) {cm.setOption("keyMap", "vim-prefix-y'"); emptyBuffer();},
nofallthrough: true, style: "fat-cursor"
};
CodeMirror.keyMap["vim-insert"] = {
// TODO: override navigation keys so that Esc will cancel automatic indentation from o, O, i_<CR>
"Esc": function(cm) {
cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1, true);
cm.setOption("keyMap", "vim");
},
"Ctrl-N": "autocomplete",
"Ctrl-P": "autocomplete",
fallthrough: ["default"]
};
function findMatchedSymbol(cm, cur, symb) {
var line = cur.line;
var symb = symb ? symb : cm.getLine(line)[cur.ch];
// Are we at the opening or closing char
var forwards = ['(', '[', '{'].indexOf(symb) != -1;
var reverseSymb = (function(sym) {
switch (sym) {
case '(' : return ')';
case '[' : return ']';
case '{' : return '}';
case ')' : return '(';
case ']' : return '[';
case '}' : return '{';
default : return null;
}
})(symb);
// Couldn't find a matching symbol, abort
if (reverseSymb == null) return cur;
// Tracking our imbalance in open/closing symbols. An opening symbol wii be
// the first thing we pick up if moving forward, this isn't true moving backwards
var disBal = forwards ? 0 : 1;
while (true) {
if (line == cur.line) {
// First pass, do some special stuff
var currLine = forwards ? cm.getLine(line).substr(cur.ch).split('') : cm.getLine(line).substr(0,cur.ch).split('').reverse();
} else {
var currLine = forwards ? cm.getLine(line).split('') : cm.getLine(line).split('').reverse();
}
for (var index = 0; index < currLine.length; index++) {
if (currLine[index] == symb) disBal++;
else if (currLine[index] == reverseSymb) disBal--;
if (disBal == 0) {
if (forwards && cur.line == line) return {line: line, ch: index + cur.ch};
else if (forwards) return {line: line, ch: index};
else return {line: line, ch: currLine.length - index - 1 };
}
}
if (forwards) line++;
else line--;
}
}
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};
}
// These are our motion commands to be used for navigation and selection with
// certian other commands. All should return a cursor object.
var motionList = ['B', 'E', 'J', 'K', 'H', 'L', 'W', 'Shift-W', "'^'", "'$'", "'%'", 'Esc'];
motions = {
'B': function(cm, times) { return moveToWord(cm, word, -1, times); },
'Shift-B': function(cm, times) { return moveToWord(cm, bigWord, -1, times); },
'E': function(cm, times) { return moveToWord(cm, word, 1, times, 'end'); },
'Shift-E': function(cm, times) { return moveToWord(cm, bigWord, 1, times, 'end'); },
'J': function(cm, times) {
var cur = cm.getCursor();
return {line: cur.line+times, ch : cur.ch};
},
'K': function(cm, times) {
var cur = cm.getCursor();
return {line: cur.line-times, ch: cur.ch};
},
'H': function(cm, times) {
var cur = cm.getCursor();
return {line: cur.line, ch: cur.ch-times};
},
'L': function(cm, times) {
var cur = cm.getCursor();
return {line: cur.line, ch: cur.ch+times};
},
'W': function(cm, times) { return moveToWord(cm, word, 1, times); },
'Shift-W': function(cm, times) { return moveToWord(cm, bigWord, 1, times); },
"'^'": function(cm, times) {
var cur = cm.getCursor();
var line = cm.getLine(cur.line).split('');
// Empty line :o
if (line.length == 0) return cur;
for (var index = 0; index < line.length; index++) {
if (line[index].match(/[^\s]/)) return {line: cur.line, ch: index};
}
},
"'$'": function(cm) {
var cur = cm.getCursor();
var line = cm.getLine(cur.line);
return {line: cur.line, ch: line.length};
},
"'%'": function(cm) { return findMatchedSymbol(cm, cm.getCursor()); },
"Esc" : function(cm) {
cm.setOption('vim');
reptTimes = 0;
return cm.getCursor();
}
};
// Map our movement actions each operator and non-operational movement
motionList.forEach(function(key, index, array) {
CodeMirror.keyMap['vim-prefix-d'][key] = function(cm) {
// Get our selected range
var start = cm.getCursor();
var end = motions[key](cm, reptTimes ? reptTimes : 1);
// Set swap var if range is of negative length
if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true;
// Take action, switching start and end if swap var is set
pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end));
cm.replaceRange("", swap ? end : start, swap ? start : end);
// And clean up
reptTimes = 0;
cm.setOption("keyMap", "vim");
};
CodeMirror.keyMap['vim-prefix-c'][key] = function(cm) {
var start = cm.getCursor();
var end = motions[key](cm, reptTimes ? reptTimes : 1);
if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true;
pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end));
cm.replaceRange("", swap ? end : start, swap ? start : end);
reptTimes = 0;
cm.setOption('keyMap', 'vim-insert');
};
CodeMirror.keyMap['vim-prefix-y'][key] = function(cm) {
var start = cm.getCursor();
var end = motions[key](cm, reptTimes ? reptTimes : 1);
if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true;
pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end));
reptTimes = 0;
cm.setOption("keyMap", "vim");
};
CodeMirror.keyMap['vim'][key] = function(cm) {
var cur = motions[key](cm, reptTimes ? reptTimes : 1);
cm.setCursor(cur.line, cur.ch);
reptTimes = 0;
};
});
var nums = [1,2,3,4,5,6,7,8,9];
nums.forEach(function(key, index, array) {
CodeMirror.keyMap['vim'][key] = function (cm) {
reptTimes = (reptTimes * 10) + key;
};
CodeMirror.keyMap['vim-prefix-d'][key] = function (cm) {
reptTimes = (reptTimes * 10) + key;
};
CodeMirror.keyMap['vim-prefix-y'][key] = function (cm) {
reptTimes = (reptTimes * 10) + key;
};
CodeMirror.keyMap['vim-prefix-c'][key] = function (cm) {
reptTimes = (reptTimes * 10) + key;
};
});
// Create our keymaps for each operator and make xa and xi where x is an operator
// change to the corrosponding keymap
var operators = ['d', 'y', 'c'];
operators.forEach(function(key, index, array) {
CodeMirror.keyMap['vim-prefix-'+key+'a'] = {
auto: 'vim', nofallthrough: true, style: "fat-cursor"
};
CodeMirror.keyMap['vim-prefix-'+key+'i'] = {
auto: 'vim', nofallthrough: true, style: "fat-cursor"
};
CodeMirror.keyMap['vim-prefix-'+key]['A'] = function(cm) {
reptTimes = 0;
cm.setOption('keyMap', 'vim-prefix-' + key + 'a');
};
CodeMirror.keyMap['vim-prefix-'+key]['I'] = function(cm) {
reptTimes = 0;
cm.setOption('keyMap', 'vim-prefix-' + key + 'i');
};
});
function regexLastIndexOf(string, pattern, startIndex) {
for (var i = startIndex == null ? string.length : startIndex; i >= 0; --i)
if (pattern.test(string.charAt(i))) return i;
return -1;
}
// Create our text object functions. They work similar to motions but they
// return a start cursor as well
var textObjectList = ['W', 'Shift-[', 'Shift-9', '['];
var textObjects = {
'W': function(cm, inclusive) {
var cur = cm.getCursor();
var line = cm.getLine(cur.line);
var line_to_char = new String(line.substring(0, cur.ch));
var start = regexLastIndexOf(line_to_char, /[^a-zA-Z0-9]/) + 1;
var end = motions["E"](cm, 1) ;
end.ch += inclusive ? 1 : 0 ;
return {start: {line: cur.line, ch: start}, end: end };
},
'Shift-[': function(cm, inclusive) { return selectCompanionObject(cm, '}', inclusive); },
'Shift-9': function(cm, inclusive) { return selectCompanionObject(cm, ')', inclusive); },
'[': function(cm, inclusive) { return selectCompanionObject(cm, ']', inclusive); }
};
// One function to handle all operation upon text objects. Kinda funky but it works
// better than rewriting this code six times
function textObjectManipulation(cm, object, remove, insert, inclusive) {
// Object is the text object, delete object if remove is true, enter insert
// mode if insert is true, inclusive is the difference between a and i
var tmp = textObjects[object](cm, inclusive);
var start = tmp.start;
var end = tmp.end;
if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true ;
pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end));
if (remove) cm.replaceRange("", swap ? end : start, swap ? start : end);
if (insert) cm.setOption('keyMap', 'vim-insert');
}
// And finally build the keymaps up from the text objects
for (var i = 0; i < textObjectList.length; ++i) {
var object = textObjectList[i];
(function(object) {
CodeMirror.keyMap['vim-prefix-di'][object] = function(cm) { textObjectManipulation(cm, object, true, false, false); };
CodeMirror.keyMap['vim-prefix-da'][object] = function(cm) { textObjectManipulation(cm, object, true, false, true); };
CodeMirror.keyMap['vim-prefix-yi'][object] = function(cm) { textObjectManipulation(cm, object, false, false, false); };
CodeMirror.keyMap['vim-prefix-ya'][object] = function(cm) { textObjectManipulation(cm, object, false, false, true); };
CodeMirror.keyMap['vim-prefix-ci'][object] = function(cm) { textObjectManipulation(cm, object, true, true, false); };
CodeMirror.keyMap['vim-prefix-ca'][object] = function(cm) { textObjectManipulation(cm, object, true, true, true); };
})(object)
}
})();