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/*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
ace.define('ace/mode/latex', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/latex_highlight_rules', 'ace/mode/folding/latex', 'ace/range'], function(require, exports, module) {
var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var LatexHighlightRules = require("./latex_highlight_rules").LatexHighlightRules;
var LatexFoldMode = require("./folding/latex").FoldMode;
var Range = require("../range").Range;
var Mode = function() {
this.HighlightRules = LatexHighlightRules;
this.foldingRules = new LatexFoldMode();
};
oop.inherits(Mode, TextMode);
(function() {
this.lineCommentStart = "%";
this.$id = "ace/mode/latex";
}).call(Mode.prototype);
exports.Mode = Mode;
});
ace.define('ace/mode/latex_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text_highlight_rules'], function(require, exports, module) {
var oop = require("../lib/oop");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var LatexHighlightRules = function() {
this.$rules = {
"start" : [{
token : "keyword",
regex : "\\\\(?:[^a-zA-Z]|[a-zA-Z]+)"
}, {
token : "lparen",
regex : "[[({]"
}, {
token : "rparen",
regex : "[\\])}]"
}, {
token : "string",
regex : "\\$(?:(?:\\\\.)|(?:[^\\$\\\\]))*?\\$"
}, {
token : "comment",
regex : "%.*$"
}]
};
};
oop.inherits(LatexHighlightRules, TextHighlightRules);
exports.LatexHighlightRules = LatexHighlightRules;
});
ace.define('ace/mode/folding/latex', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/folding/fold_mode', 'ace/range', 'ace/token_iterator'], function(require, exports, module) {
var oop = require("../../lib/oop");
var BaseFoldMode = require("./fold_mode").FoldMode;
var Range = require("../../range").Range;
var TokenIterator = require("../../token_iterator").TokenIterator;
var FoldMode = exports.FoldMode = function() {};
oop.inherits(FoldMode, BaseFoldMode);
(function() {
this.foldingStartMarker = /^\s*\\(begin)|(section|subsection)\b|{\s*$/;
this.foldingStopMarker = /^\s*\\(end)\b|^\s*}/;
this.getFoldWidgetRange = function(session, foldStyle, row) {
var line = session.doc.getLine(row);
var match = this.foldingStartMarker.exec(line);
if (match) {
if (match[1])
return this.latexBlock(session, row, match[0].length - 1);
if (match[2])
return this.latexSection(session, row, match[0].length - 1);
return this.openingBracketBlock(session, "{", row, match.index);
}
var match = this.foldingStopMarker.exec(line);
if (match) {
if (match[1])
return this.latexBlock(session, row, match[0].length - 1);
return this.closingBracketBlock(session, "}", row, match.index + match[0].length);
}
};
this.latexBlock = function(session, row, column) {
var keywords = {
"\\begin": 1,
"\\end": -1
};
var stream = new TokenIterator(session, row, column);
var token = stream.getCurrentToken();
if (!token || token.type !== "keyword")
return;
var val = token.value;
var dir = keywords[val];
var getType = function() {
var token = stream.stepForward();
var type = token.type == "lparen" ?stream.stepForward().value : "";
if (dir === -1) {
stream.stepBackward();
if (type)
stream.stepBackward();
}
return type;
};
var stack = [getType()];
var startColumn = dir === -1 ? stream.getCurrentTokenColumn() : session.getLine(row).length;
var startRow = row;
stream.step = dir === -1 ? stream.stepBackward : stream.stepForward;
while(token = stream.step()) {
if (token.type !== "keyword")
continue;
var level = keywords[token.value];
if (!level)
continue;
var type = getType();
if (level === dir)
stack.unshift(type);
else if (stack.shift() !== type || !stack.length)
break;
}
if (stack.length)
return;
var row = stream.getCurrentTokenRow();
if (dir === -1)
return new Range(row, session.getLine(row).length, startRow, startColumn);
stream.stepBackward();
return new Range(startRow, startColumn, row, stream.getCurrentTokenColumn());
};
this.latexSection = function(session, row, column) {
var keywords = ["\\subsection", "\\section", "\\begin", "\\end"];
var stream = new TokenIterator(session, row, column);
var token = stream.getCurrentToken();
if (!token || token.type != "keyword")
return;
var startLevel = keywords.indexOf(token.value);
var stackDepth = 0
var endRow = row;
while(token = stream.stepForward()) {
if (token.type !== "keyword")
continue;
var level = keywords.indexOf(token.value);
if (level >= 2) {
if (!stackDepth)
endRow = stream.getCurrentTokenRow() - 1;
stackDepth += level == 2 ? 1 : - 1;
if (stackDepth < 0)
break
} else if (level >= startLevel)
break;
}
if (!stackDepth)
endRow = stream.getCurrentTokenRow() - 1;
while (endRow > row && !/\S/.test(session.getLine(endRow)))
endRow--;
return new Range(
row, session.getLine(row).length,
endRow, session.getLine(endRow).length
);
};
}).call(FoldMode.prototype);
});