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xquery.js
437 lines
| 14.1 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
(function(mod) { | ||||
if (typeof exports == "object" && typeof module == "object") // CommonJS | ||||
mod(require("../../lib/codemirror")); | ||||
else if (typeof define == "function" && define.amd) // AMD | ||||
define(["../../lib/codemirror"], mod); | ||||
else // Plain browser env | ||||
mod(CodeMirror); | ||||
})(function(CodeMirror) { | ||||
"use strict"; | ||||
CodeMirror.defineMode("xquery", function() { | ||||
// The keywords object is set to the result of this self executing | ||||
// function. Each keyword is a property of the keywords object whose | ||||
// value is {type: atype, style: astyle} | ||||
var keywords = function(){ | ||||
// conveinence functions used to build keywords object | ||||
function kw(type) {return {type: type, style: "keyword"};} | ||||
var A = kw("keyword a") | ||||
, B = kw("keyword b") | ||||
, C = kw("keyword c") | ||||
, operator = kw("operator") | ||||
, atom = {type: "atom", style: "atom"} | ||||
, punctuation = {type: "punctuation", style: null} | ||||
, qualifier = {type: "axis_specifier", style: "qualifier"}; | ||||
// kwObj is what is return from this function at the end | ||||
var kwObj = { | ||||
'if': A, 'switch': A, 'while': A, 'for': A, | ||||
'else': B, 'then': B, 'try': B, 'finally': B, 'catch': B, | ||||
'element': C, 'attribute': C, 'let': C, 'implements': C, 'import': C, 'module': C, 'namespace': C, | ||||
'return': C, 'super': C, 'this': C, 'throws': C, 'where': C, 'private': C, | ||||
',': punctuation, | ||||
'null': atom, 'fn:false()': atom, 'fn:true()': atom | ||||
}; | ||||
// a list of 'basic' keywords. For each add a property to kwObj with the value of | ||||
// {type: basic[i], style: "keyword"} e.g. 'after' --> {type: "after", style: "keyword"} | ||||
var basic = ['after','ancestor','ancestor-or-self','and','as','ascending','assert','attribute','before', | ||||
'by','case','cast','child','comment','declare','default','define','descendant','descendant-or-self', | ||||
'descending','document','document-node','element','else','eq','every','except','external','following', | ||||
'following-sibling','follows','for','function','if','import','in','instance','intersect','item', | ||||
'let','module','namespace','node','node','of','only','or','order','parent','precedes','preceding', | ||||
'preceding-sibling','processing-instruction','ref','return','returns','satisfies','schema','schema-element', | ||||
'self','some','sortby','stable','text','then','to','treat','typeswitch','union','variable','version','where', | ||||
'xquery', 'empty-sequence']; | ||||
for(var i=0, l=basic.length; i < l; i++) { kwObj[basic[i]] = kw(basic[i]);}; | ||||
// a list of types. For each add a property to kwObj with the value of | ||||
// {type: "atom", style: "atom"} | ||||
var types = ['xs:string', 'xs:float', 'xs:decimal', 'xs:double', 'xs:integer', 'xs:boolean', 'xs:date', 'xs:dateTime', | ||||
'xs:time', 'xs:duration', 'xs:dayTimeDuration', 'xs:time', 'xs:yearMonthDuration', 'numeric', 'xs:hexBinary', | ||||
'xs:base64Binary', 'xs:anyURI', 'xs:QName', 'xs:byte','xs:boolean','xs:anyURI','xf:yearMonthDuration']; | ||||
for(var i=0, l=types.length; i < l; i++) { kwObj[types[i]] = atom;}; | ||||
// each operator will add a property to kwObj with value of {type: "operator", style: "keyword"} | ||||
var operators = ['eq', 'ne', 'lt', 'le', 'gt', 'ge', ':=', '=', '>', '>=', '<', '<=', '.', '|', '?', 'and', 'or', 'div', 'idiv', 'mod', '*', '/', '+', '-']; | ||||
for(var i=0, l=operators.length; i < l; i++) { kwObj[operators[i]] = operator;}; | ||||
// each axis_specifiers will add a property to kwObj with value of {type: "axis_specifier", style: "qualifier"} | ||||
var axis_specifiers = ["self::", "attribute::", "child::", "descendant::", "descendant-or-self::", "parent::", | ||||
"ancestor::", "ancestor-or-self::", "following::", "preceding::", "following-sibling::", "preceding-sibling::"]; | ||||
for(var i=0, l=axis_specifiers.length; i < l; i++) { kwObj[axis_specifiers[i]] = qualifier; }; | ||||
return kwObj; | ||||
}(); | ||||
function chain(stream, state, f) { | ||||
state.tokenize = f; | ||||
return f(stream, state); | ||||
} | ||||
// the primary mode tokenizer | ||||
function tokenBase(stream, state) { | ||||
var ch = stream.next(), | ||||
mightBeFunction = false, | ||||
isEQName = isEQNameAhead(stream); | ||||
// an XML tag (if not in some sub, chained tokenizer) | ||||
if (ch == "<") { | ||||
if(stream.match("!--", true)) | ||||
return chain(stream, state, tokenXMLComment); | ||||
if(stream.match("![CDATA", false)) { | ||||
state.tokenize = tokenCDATA; | ||||
return "tag"; | ||||
} | ||||
if(stream.match("?", false)) { | ||||
return chain(stream, state, tokenPreProcessing); | ||||
} | ||||
var isclose = stream.eat("/"); | ||||
stream.eatSpace(); | ||||
var tagName = "", c; | ||||
while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; | ||||
return chain(stream, state, tokenTag(tagName, isclose)); | ||||
} | ||||
// start code block | ||||
else if(ch == "{") { | ||||
pushStateStack(state,{ type: "codeblock"}); | ||||
return null; | ||||
} | ||||
// end code block | ||||
else if(ch == "}") { | ||||
popStateStack(state); | ||||
return null; | ||||
} | ||||
// if we're in an XML block | ||||
else if(isInXmlBlock(state)) { | ||||
if(ch == ">") | ||||
return "tag"; | ||||
else if(ch == "/" && stream.eat(">")) { | ||||
popStateStack(state); | ||||
return "tag"; | ||||
} | ||||
else | ||||
return "variable"; | ||||
} | ||||
// if a number | ||||
else if (/\d/.test(ch)) { | ||||
stream.match(/^\d*(?:\.\d*)?(?:E[+\-]?\d+)?/); | ||||
return "atom"; | ||||
} | ||||
// comment start | ||||
else if (ch === "(" && stream.eat(":")) { | ||||
pushStateStack(state, { type: "comment"}); | ||||
return chain(stream, state, tokenComment); | ||||
} | ||||
// quoted string | ||||
else if ( !isEQName && (ch === '"' || ch === "'")) | ||||
return chain(stream, state, tokenString(ch)); | ||||
// variable | ||||
else if(ch === "$") { | ||||
return chain(stream, state, tokenVariable); | ||||
} | ||||
// assignment | ||||
else if(ch ===":" && stream.eat("=")) { | ||||
return "keyword"; | ||||
} | ||||
// open paren | ||||
else if(ch === "(") { | ||||
pushStateStack(state, { type: "paren"}); | ||||
return null; | ||||
} | ||||
// close paren | ||||
else if(ch === ")") { | ||||
popStateStack(state); | ||||
return null; | ||||
} | ||||
// open paren | ||||
else if(ch === "[") { | ||||
pushStateStack(state, { type: "bracket"}); | ||||
return null; | ||||
} | ||||
// close paren | ||||
else if(ch === "]") { | ||||
popStateStack(state); | ||||
return null; | ||||
} | ||||
else { | ||||
var known = keywords.propertyIsEnumerable(ch) && keywords[ch]; | ||||
// if there's a EQName ahead, consume the rest of the string portion, it's likely a function | ||||
if(isEQName && ch === '\"') while(stream.next() !== '"'){} | ||||
if(isEQName && ch === '\'') while(stream.next() !== '\''){} | ||||
// gobble up a word if the character is not known | ||||
if(!known) stream.eatWhile(/[\w\$_-]/); | ||||
// gobble a colon in the case that is a lib func type call fn:doc | ||||
var foundColon = stream.eat(":"); | ||||
// if there's not a second colon, gobble another word. Otherwise, it's probably an axis specifier | ||||
// which should get matched as a keyword | ||||
if(!stream.eat(":") && foundColon) { | ||||
stream.eatWhile(/[\w\$_-]/); | ||||
} | ||||
// if the next non whitespace character is an open paren, this is probably a function (if not a keyword of other sort) | ||||
if(stream.match(/^[ \t]*\(/, false)) { | ||||
mightBeFunction = true; | ||||
} | ||||
// is the word a keyword? | ||||
var word = stream.current(); | ||||
known = keywords.propertyIsEnumerable(word) && keywords[word]; | ||||
// if we think it's a function call but not yet known, | ||||
// set style to variable for now for lack of something better | ||||
if(mightBeFunction && !known) known = {type: "function_call", style: "variable def"}; | ||||
// if the previous word was element, attribute, axis specifier, this word should be the name of that | ||||
if(isInXmlConstructor(state)) { | ||||
popStateStack(state); | ||||
return "variable"; | ||||
} | ||||
// as previously checked, if the word is element,attribute, axis specifier, call it an "xmlconstructor" and | ||||
// push the stack so we know to look for it on the next word | ||||
if(word == "element" || word == "attribute" || known.type == "axis_specifier") pushStateStack(state, {type: "xmlconstructor"}); | ||||
// if the word is known, return the details of that else just call this a generic 'word' | ||||
return known ? known.style : "variable"; | ||||
} | ||||
} | ||||
// handle comments, including nested | ||||
function tokenComment(stream, state) { | ||||
var maybeEnd = false, maybeNested = false, nestedCount = 0, ch; | ||||
while (ch = stream.next()) { | ||||
if (ch == ")" && maybeEnd) { | ||||
if(nestedCount > 0) | ||||
nestedCount--; | ||||
else { | ||||
popStateStack(state); | ||||
break; | ||||
} | ||||
} | ||||
else if(ch == ":" && maybeNested) { | ||||
nestedCount++; | ||||
} | ||||
maybeEnd = (ch == ":"); | ||||
maybeNested = (ch == "("); | ||||
} | ||||
return "comment"; | ||||
} | ||||
// tokenizer for string literals | ||||
// optionally pass a tokenizer function to set state.tokenize back to when finished | ||||
function tokenString(quote, f) { | ||||
return function(stream, state) { | ||||
var ch; | ||||
if(isInString(state) && stream.current() == quote) { | ||||
popStateStack(state); | ||||
if(f) state.tokenize = f; | ||||
return "string"; | ||||
} | ||||
pushStateStack(state, { type: "string", name: quote, tokenize: tokenString(quote, f) }); | ||||
// if we're in a string and in an XML block, allow an embedded code block | ||||
if(stream.match("{", false) && isInXmlAttributeBlock(state)) { | ||||
state.tokenize = tokenBase; | ||||
return "string"; | ||||
} | ||||
while (ch = stream.next()) { | ||||
if (ch == quote) { | ||||
popStateStack(state); | ||||
if(f) state.tokenize = f; | ||||
break; | ||||
} | ||||
else { | ||||
// if we're in a string and in an XML block, allow an embedded code block in an attribute | ||||
if(stream.match("{", false) && isInXmlAttributeBlock(state)) { | ||||
state.tokenize = tokenBase; | ||||
return "string"; | ||||
} | ||||
} | ||||
} | ||||
return "string"; | ||||
}; | ||||
} | ||||
// tokenizer for variables | ||||
function tokenVariable(stream, state) { | ||||
var isVariableChar = /[\w\$_-]/; | ||||
// a variable may start with a quoted EQName so if the next character is quote, consume to the next quote | ||||
if(stream.eat("\"")) { | ||||
while(stream.next() !== '\"'){}; | ||||
stream.eat(":"); | ||||
} else { | ||||
stream.eatWhile(isVariableChar); | ||||
if(!stream.match(":=", false)) stream.eat(":"); | ||||
} | ||||
stream.eatWhile(isVariableChar); | ||||
state.tokenize = tokenBase; | ||||
return "variable"; | ||||
} | ||||
// tokenizer for XML tags | ||||
function tokenTag(name, isclose) { | ||||
return function(stream, state) { | ||||
stream.eatSpace(); | ||||
if(isclose && stream.eat(">")) { | ||||
popStateStack(state); | ||||
state.tokenize = tokenBase; | ||||
return "tag"; | ||||
} | ||||
// self closing tag without attributes? | ||||
if(!stream.eat("/")) | ||||
pushStateStack(state, { type: "tag", name: name, tokenize: tokenBase}); | ||||
if(!stream.eat(">")) { | ||||
state.tokenize = tokenAttribute; | ||||
return "tag"; | ||||
} | ||||
else { | ||||
state.tokenize = tokenBase; | ||||
} | ||||
return "tag"; | ||||
}; | ||||
} | ||||
// tokenizer for XML attributes | ||||
function tokenAttribute(stream, state) { | ||||
var ch = stream.next(); | ||||
if(ch == "/" && stream.eat(">")) { | ||||
if(isInXmlAttributeBlock(state)) popStateStack(state); | ||||
if(isInXmlBlock(state)) popStateStack(state); | ||||
return "tag"; | ||||
} | ||||
if(ch == ">") { | ||||
if(isInXmlAttributeBlock(state)) popStateStack(state); | ||||
return "tag"; | ||||
} | ||||
if(ch == "=") | ||||
return null; | ||||
// quoted string | ||||
if (ch == '"' || ch == "'") | ||||
return chain(stream, state, tokenString(ch, tokenAttribute)); | ||||
if(!isInXmlAttributeBlock(state)) | ||||
pushStateStack(state, { type: "attribute", tokenize: tokenAttribute}); | ||||
stream.eat(/[a-zA-Z_:]/); | ||||
stream.eatWhile(/[-a-zA-Z0-9_:.]/); | ||||
stream.eatSpace(); | ||||
// the case where the attribute has not value and the tag was closed | ||||
if(stream.match(">", false) || stream.match("/", false)) { | ||||
popStateStack(state); | ||||
state.tokenize = tokenBase; | ||||
} | ||||
return "attribute"; | ||||
} | ||||
// handle comments, including nested | ||||
function tokenXMLComment(stream, state) { | ||||
var ch; | ||||
while (ch = stream.next()) { | ||||
if (ch == "-" && stream.match("->", true)) { | ||||
state.tokenize = tokenBase; | ||||
return "comment"; | ||||
} | ||||
} | ||||
} | ||||
// handle CDATA | ||||
function tokenCDATA(stream, state) { | ||||
var ch; | ||||
while (ch = stream.next()) { | ||||
if (ch == "]" && stream.match("]", true)) { | ||||
state.tokenize = tokenBase; | ||||
return "comment"; | ||||
} | ||||
} | ||||
} | ||||
// handle preprocessing instructions | ||||
function tokenPreProcessing(stream, state) { | ||||
var ch; | ||||
while (ch = stream.next()) { | ||||
if (ch == "?" && stream.match(">", true)) { | ||||
state.tokenize = tokenBase; | ||||
return "comment meta"; | ||||
} | ||||
} | ||||
} | ||||
// functions to test the current context of the state | ||||
function isInXmlBlock(state) { return isIn(state, "tag"); } | ||||
function isInXmlAttributeBlock(state) { return isIn(state, "attribute"); } | ||||
function isInXmlConstructor(state) { return isIn(state, "xmlconstructor"); } | ||||
function isInString(state) { return isIn(state, "string"); } | ||||
function isEQNameAhead(stream) { | ||||
// assume we've already eaten a quote (") | ||||
if(stream.current() === '"') | ||||
return stream.match(/^[^\"]+\"\:/, false); | ||||
else if(stream.current() === '\'') | ||||
return stream.match(/^[^\"]+\'\:/, false); | ||||
else | ||||
return false; | ||||
} | ||||
function isIn(state, type) { | ||||
return (state.stack.length && state.stack[state.stack.length - 1].type == type); | ||||
} | ||||
function pushStateStack(state, newState) { | ||||
state.stack.push(newState); | ||||
} | ||||
function popStateStack(state) { | ||||
state.stack.pop(); | ||||
var reinstateTokenize = state.stack.length && state.stack[state.stack.length-1].tokenize; | ||||
state.tokenize = reinstateTokenize || tokenBase; | ||||
} | ||||
// the interface for the mode API | ||||
return { | ||||
startState: function() { | ||||
return { | ||||
tokenize: tokenBase, | ||||
cc: [], | ||||
stack: [] | ||||
}; | ||||
}, | ||||
token: function(stream, state) { | ||||
if (stream.eatSpace()) return null; | ||||
var style = state.tokenize(stream, state); | ||||
return style; | ||||
}, | ||||
blockCommentStart: "(:", | ||||
blockCommentEnd: ":)" | ||||
}; | ||||
}); | ||||
CodeMirror.defineMIME("application/xquery", "xquery"); | ||||
}); | ||||