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CodeMirror.defineMode("less", function(config) {
var indentUnit = config.indentUnit, type;
function ret(style, tp) {type = tp; return style;}
//html5 tags
var tags = ["a","abbr","acronym","address","applet","area","article","aside","audio","b","base","basefont","bdi","bdo","big","blockquote","body","br","button","canvas","caption","cite","code","col","colgroup","command","datalist","dd","del","details","dfn","dir","div","dl","dt","em","embed","fieldset","figcaption","figure","font","footer","form","frame","frameset","h1","h2","h3","h4","h5","h6","head","header","hgroup","hr","html","i","iframe","img","input","ins","keygen","kbd","label","legend","li","link","map","mark","menu","meta","meter","nav","noframes","noscript","object","ol","optgroup","option","output","p","param","pre","progress","q","rp","rt","ruby","s","samp","script","section","select","small","source","span","strike","strong","style","sub","summary","sup","table","tbody","td","textarea","tfoot","th","thead","time","title","tr","track","tt","u","ul","var","video","wbr"];
function inTagsArray(val){
for(var i=0; i<tags.length; i++){
if(val === tags[i]){
return true;
}
}
}
function tokenBase(stream, state) {
var ch = stream.next();
if (ch == "@") {stream.eatWhile(/[\w\-]/); return ret("meta", stream.current());}
else if (ch == "/" && stream.eat("*")) {
state.tokenize = tokenCComment;
return tokenCComment(stream, state);
}
else if (ch == "<" && stream.eat("!")) {
state.tokenize = tokenSGMLComment;
return tokenSGMLComment(stream, state);
}
else if (ch == "=") ret(null, "compare");
else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare");
else if (ch == "\"" || ch == "'") {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
}
else if (ch == "/") { // lesscss e.g.: .png will not be parsed as a class
if(stream.eat("/")){
state.tokenize = tokenSComment
return tokenSComment(stream, state);
}else{
stream.eatWhile(/[\a-zA-Z0-9\-_.]/);
if(stream.peek() == ")" || stream.peek() == "/")return ret("string", "string");//let url(/images/logo.png) without quotes return as string
return ret("number", "unit");
}
}
else if (ch == "!") {
stream.match(/^\s*\w*/);
return ret("keyword", "important");
}
else if (/\d/.test(ch)) {
stream.eatWhile(/[\w.%]/);
return ret("number", "unit");
}
else if (/[,+>*\/]/.test(ch)) {//removed . dot character original was [,.+>*\/]
return ret(null, "select-op");
}
else if (/[;{}:\[\]()]/.test(ch)) { //added () char for lesscss original was [;{}:\[\]]
if(ch == ":"){
stream.eatWhile(/[active|hover|link|visited]/);
if( stream.current().match(/active|hover|link|visited/)){
return ret("tag", "tag");
}else{
return ret(null, ch);
}
}else{
return ret(null, ch);
}
}
else if (ch == ".") { // lesscss
stream.eatWhile(/[\a-zA-Z0-9\-_]/);
return ret("tag", "tag");
}
else if (ch == "#") { // lesscss
stream.match(/([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/);
if(stream.current().length >1){
if(stream.current().match(/([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/) != null){
return ret("number", "unit");
}else{
stream.eatWhile(/[\w\-]/);
return ret("atom", "tag");
}
}else{
stream.eatWhile(/[\w\-]/);
return ret("atom", "tag");
}
}
else if (ch == "&") {
stream.eatWhile(/[\w\-]/);
return ret(null, ch);
}
else {
stream.eatWhile(/[\w\\\-_.%]/);
if( stream.eat("(") ){ // lesscss
return ret(null, ch);
}else if( stream.current().match(/\-\d|\-.\d/) ){ // lesscss match e.g.: -5px -0.4 etc...
return ret("number", "unit");
}else if( inTagsArray(stream.current()) ){ // lesscss match html tags
return ret("tag", "tag");
}else if( (stream.peek() == ")" || stream.peek() == "/") && stream.current().indexOf('.') !== -1){
return ret("string", "string");//let url(logo.png) without quotes and froward slash return as string
}else{
return ret("variable", "variable");
}
}
}
function tokenSComment(stream, state) {// SComment = Slash comment
stream.skipToEnd();
state.tokenize = tokenBase;
return ret("comment", "comment");
}
function tokenCComment(stream, state) {
var maybeEnd = false, ch;
while ((ch = stream.next()) != null) {
if (maybeEnd && ch == "/") {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch == "*");
}
return ret("comment", "comment");
}
function tokenSGMLComment(stream, state) {
var dashes = 0, ch;
while ((ch = stream.next()) != null) {
if (dashes >= 2 && ch == ">") {
state.tokenize = tokenBase;
break;
}
dashes = (ch == "-") ? dashes + 1 : 0;
}
return ret("comment", "comment");
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, ch;
while ((ch = stream.next()) != null) {
if (ch == quote && !escaped)
break;
escaped = !escaped && ch == "\\";
}
if (!escaped) state.tokenize = tokenBase;
return ret("string", "string");
};
}
return {
startState: function(base) {
return {tokenize: tokenBase,
baseIndent: base || 0,
stack: []};
},
token: function(stream, state) {
if (stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
var context = state.stack[state.stack.length-1];
if (type == "hash" && context == "rule") style = "atom";
else if (style == "variable") {
if (context == "rule") style = null; //"tag"
else if (!context || context == "@media{") style = "tag";
}
if (context == "rule" && /^[\{\};]$/.test(type))
state.stack.pop();
if (type == "{") {
if (context == "@media") state.stack[state.stack.length-1] = "@media{";
else state.stack.push("{");
}
else if (type == "}") state.stack.pop();
else if (type == "@media") state.stack.push("@media");
else if (context == "{" && type != "comment") state.stack.push("rule");
return style;
},
indent: function(state, textAfter) {
var n = state.stack.length;
if (/^\}/.test(textAfter))
n -= state.stack[state.stack.length-1] == "rule" ? 2 : 1;
return state.baseIndent + n * indentUnit;
},
electricChars: "}"
};
});
CodeMirror.defineMIME("text/less", "less");
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