discourse/public/javascripts/ace/mode-latex.js

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(e,t,n){var r=e("../lib/oop"),i=e("./text").Mode,s=e("../tokenizer").Tokenizer,o=e("./latex_highlight_rules").LatexHighlightRules,u=e("./folding/latex").FoldMode,a=e("../range").Range,f=function(){this.HighlightRules=o,this.foldingRules=new u};r.inherits(f,i),function(){this.lineCommentStart="%",this.$id="ace/mode/latex"}.call(f.prototype),t.Mode=f}),ace.define("ace/mode/latex_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/text_highlight_rules"],function(e,t,n){var r=e("../lib/oop"),i=e("./text_highlight_rules").TextHighlightRules,s=function(){this.$rules={start:[{token:"keyword",regex:"\\\\(?:[^a-zA-Z]|[a-zA-Z]+)"},{token:"lparen",regex:"[[({]"},{token:"rparen",regex:"[\\])}]"},{token:"string",regex:"\\$(?:(?:\\\\.)|(?:[^\\$\\\\]))*?\\$"},{token:"comment",regex:"%.*$"}]}};r.inherits(s,i),t.LatexHighlightRules=s}),ace.define("ace/mode/folding/latex",["require","exports","module","ace/lib/oop","ace/mode/folding/fold_mode","ace/range","ace/token_iterator"],function(e,t,n){var r=e("../../lib/oop"),i=e("./fold_mode").FoldMode,s=e("../../range").Range,o=e("../../token_iterator").TokenIterator,u=t.FoldMode=function(){};r.inherits(u,i),function(){this.foldingStartMarker=/^\s*\\(begin)|(section|subsection)\b|{\s*$/,this.foldingStopMarker=/^\s*\\(end)\b|^\s*}/,this.getFoldWidgetRange=function(e,t,n){var r=e.doc.getLine(n),i=this.foldingStartMarker.exec(r);if(i)return i[1]?this.latexBlock(e,n,i[0].length-1):i[2]?this.latexSection(e,n,i[0].length-1):this.openingBracketBlock(e,"{",n,i.index);var i=this.foldingStopMarker.exec(r);if(i)return i[1]?this.latexBlock(e,n,i[0].length-1):this.closingBracketBlock(e,"}",n,i.index+i[0].length)},this.latexBlock=function(e,t,n){var r={"\\begin":1,"\\end":-1},i=new o(e,t,n),u=i.getCurrentToken();if(!u||u.type!=="keyword")return;var a=u.value,f=r[a],l=function(){var e=i.stepForward(),t=e.type=="lparen"?i.stepForward().value:"";return f===-1&&(i.stepBackward(),t&&i.stepBackward()),t},c=[l()],h=f===-1?i.getCurrentTokenColumn():e.getLine(t).length,p=t;i.step=f===-1?i.stepBackward:i.stepForward;while(u=i.step()){if(u.type!=="keyword")continue;var d=r[u.value];if(!d)continue;var v=l();if(d===f)c.unshift(v);else if(c.shift()!==v||!c.length)break}if(c.length)return;var t=i.getCurrentTokenRow();return f===-1?new s(t,e.getLine(t).length,p,h):(i.stepBackward(),new s(p,h,t,i.getCurrentTokenColumn()))},this.latexSection=function(e,t,n){var r=["\\subsection","\\section","\\begin","\\end"],i=new o(e,t,n),u=i.getCurrentToken();if(!u||u.type!="keyword")return;var a=r.indexOf(u.value),f=0,l=t;while(u=i.stepForward()){if(u.type!=="keyword")continue;var c=r.indexOf(u.value);if(c>=2){f||(l=i.getCurrentTokenRow()-1),f+=c==2?1:-1;if(f<0)break}else if(c>=a)break}f||(l=i.getCurrentTokenRow()-1);while(l>t&&!/\S/.test(e.getLine(l)))l--;return new s(t,e.getLine(t).length,l,e.getLine(l).length)}}.call(u.prototype)})