WebEditor: integrated editor

vendor/assets/javascripts/ace-src-noconflict/mode-latex.js

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+ace.define('ace/mode/latex', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/latex_highlight_rules', '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 Range = require("../range").Range;
+
+var Mode = function()
+{
+    this.$tokenizer = new Tokenizer(new LatexHighlightRules().getRules());
+};
+oop.inherits(Mode, TextMode);
+
+(function() {
+    this.toggleCommentLines = function(state, doc, startRow, endRow) {
+        // This code is adapted from ruby.js
+        var outdent = true;
+        
+        // LaTeX comments begin with % and go to the end of the line
+        var commentRegEx = /^(\s*)\%/;
+
+        for (var i = startRow; i <= endRow; i++) {
+            if (!commentRegEx.test(doc.getLine(i))) {
+                outdent = false;
+                break;
+            }
+        }
+
+        if (outdent) {
+            var deleteRange = new Range(0, 0, 0, 0);
+            for (var i = startRow; i <= endRow; i++) {
+                var line = doc.getLine(i);
+                var m = line.match(commentRegEx);
+                deleteRange.start.row = i;
+                deleteRange.end.row = i;
+                deleteRange.end.column = m[0].length;
+                doc.replace(deleteRange, m[1]);
+            }
+        }
+        else {
+            doc.indentRows(startRow, endRow, "%");
+        }
+    };
+    
+    // There is no universally accepted way of indenting a tex document
+    // so just maintain the indentation of the previous line
+    this.getNextLineIndent = function(state, line, tab) {
+        return this.$getIndent(line);
+    };
+    
+}).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" : [{
+            // A tex command e.g. \foo
+            token : "keyword",
+            regex : "\\\\(?:[^a-zA-Z]|[a-zA-Z]+)",
+        }, {
+            // Curly and square braces
+            token : "lparen",
+            regex : "[[({]"
+        }, {
+            // Curly and square braces
+            token : "rparen",
+            regex : "[\\])}]"
+        }, {
+            // Inline math between two $ symbols
+            token : "string",
+            regex : "\\$(?:(?:\\\\.)|(?:[^\\$\\\\]))*?\\$"
+        }, {
+            // A comment. Tex comments start with % and go to 
+            // the end of the line
+            token : "comment",
+            regex : "%.*$"
+        }]
+    };
+};
+
+oop.inherits(LatexHighlightRules, TextHighlightRules);
+
+exports.LatexHighlightRules = LatexHighlightRules;
+
+});