openrat-cms

slim.js (18026B)

---

 // CodeMirror, copyright (c) by Marijn Haverbeke and others
 // Distributed under an MIT license: http://codemirror.net/LICENSE
 
 // Slim Highlighting for CodeMirror copyright (c) HicknHack Software Gmbh
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
     mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"), require("../ruby/ruby"));
   else if (typeof define == "function" && define.amd) // AMD
     define(["../../lib/codemirror", "../htmlmixed/htmlmixed", "../ruby/ruby"], mod);
   else // Plain browser env
     mod(CodeMirror);
 })(function(CodeMirror) {
 "use strict";
 
   CodeMirror.defineMode("slim", function(config) {
     var htmlMode = CodeMirror.getMode(config, {name: "htmlmixed"});
     var rubyMode = CodeMirror.getMode(config, "ruby");
     var modes = { html: htmlMode, ruby: rubyMode };
     var embedded = {
       ruby: "ruby",
       javascript: "javascript",
       css: "text/css",
       sass: "text/x-sass",
       scss: "text/x-scss",
       less: "text/x-less",
       styl: "text/x-styl", // no highlighting so far
       coffee: "coffeescript",
       asciidoc: "text/x-asciidoc",
       markdown: "text/x-markdown",
       textile: "text/x-textile", // no highlighting so far
       creole: "text/x-creole", // no highlighting so far
       wiki: "text/x-wiki", // no highlighting so far
       mediawiki: "text/x-mediawiki", // no highlighting so far
       rdoc: "text/x-rdoc", // no highlighting so far
       builder: "text/x-builder", // no highlighting so far
       nokogiri: "text/x-nokogiri", // no highlighting so far
       erb: "application/x-erb"
     };
     var embeddedRegexp = function(map){
       var arr = [];
       for(var key in map) arr.push(key);
       return new RegExp("^("+arr.join('|')+"):");
     }(embedded);
 
     var styleMap = {
       "commentLine": "comment",
       "slimSwitch": "operator special",
       "slimTag": "tag",
       "slimId": "attribute def",
       "slimClass": "attribute qualifier",
       "slimAttribute": "attribute",
       "slimSubmode": "keyword special",
       "closeAttributeTag": null,
       "slimDoctype": null,
       "lineContinuation": null
     };
     var closing = {
       "{": "}",
       "[": "]",
       "(": ")"
     };
 
     var nameStartChar = "_a-zA-Z\xC0-\xD6\xD8-\xF6\xF8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD";
     var nameChar = nameStartChar + "\\-0-9\xB7\u0300-\u036F\u203F-\u2040";
     var nameRegexp = new RegExp("^[:"+nameStartChar+"](?::["+nameChar+"]|["+nameChar+"]*)");
     var attributeNameRegexp = new RegExp("^[:"+nameStartChar+"][:\\."+nameChar+"]*(?=\\s*=)");
     var wrappedAttributeNameRegexp = new RegExp("^[:"+nameStartChar+"][:\\."+nameChar+"]*");
     var classNameRegexp = /^\.-?[_a-zA-Z]+[\w\-]*/;
     var classIdRegexp = /^#[_a-zA-Z]+[\w\-]*/;
 
     function backup(pos, tokenize, style) {
       var restore = function(stream, state) {
         state.tokenize = tokenize;
         if (stream.pos < pos) {
           stream.pos = pos;
           return style;
         }
         return state.tokenize(stream, state);
       };
       return function(stream, state) {
         state.tokenize = restore;
         return tokenize(stream, state);
       };
     }
 
     function maybeBackup(stream, state, pat, offset, style) {
       var cur = stream.current();
       var idx = cur.search(pat);
       if (idx > -1) {
         state.tokenize = backup(stream.pos, state.tokenize, style);
         stream.backUp(cur.length - idx - offset);
       }
       return style;
     }
 
     function continueLine(state, column) {
       state.stack = {
         parent: state.stack,
         style: "continuation",
         indented: column,
         tokenize: state.line
       };
       state.line = state.tokenize;
     }
     function finishContinue(state) {
       if (state.line == state.tokenize) {
         state.line = state.stack.tokenize;
         state.stack = state.stack.parent;
       }
     }
 
     function lineContinuable(column, tokenize) {
       return function(stream, state) {
         finishContinue(state);
         if (stream.match(/^\\$/)) {
           continueLine(state, column);
           return "lineContinuation";
         }
         var style = tokenize(stream, state);
         if (stream.eol() && stream.current().match(/(?:^|[^\\])(?:\\\\)*\\$/)) {
           stream.backUp(1);
         }
         return style;
       };
     }
     function commaContinuable(column, tokenize) {
       return function(stream, state) {
         finishContinue(state);
         var style = tokenize(stream, state);
         if (stream.eol() && stream.current().match(/,$/)) {
           continueLine(state, column);
         }
         return style;
       };
     }
 
     function rubyInQuote(endQuote, tokenize) {
       // TODO: add multi line support
       return function(stream, state) {
         var ch = stream.peek();
         if (ch == endQuote && state.rubyState.tokenize.length == 1) {
           // step out of ruby context as it seems to complete processing all the braces
           stream.next();
           state.tokenize = tokenize;
           return "closeAttributeTag";
         } else {
           return ruby(stream, state);
         }
       };
     }
     function startRubySplat(tokenize) {
       var rubyState;
       var runSplat = function(stream, state) {
         if (state.rubyState.tokenize.length == 1 && !state.rubyState.context.prev) {
           stream.backUp(1);
           if (stream.eatSpace()) {
             state.rubyState = rubyState;
             state.tokenize = tokenize;
             return tokenize(stream, state);
           }
           stream.next();
         }
         return ruby(stream, state);
       };
       return function(stream, state) {
         rubyState = state.rubyState;
         state.rubyState = CodeMirror.startState(rubyMode);
         state.tokenize = runSplat;
         return ruby(stream, state);
       };
     }
 
     function ruby(stream, state) {
       return rubyMode.token(stream, state.rubyState);
     }
 
     function htmlLine(stream, state) {
       if (stream.match(/^\\$/)) {
         return "lineContinuation";
       }
       return html(stream, state);
     }
     function html(stream, state) {
       if (stream.match(/^#\{/)) {
         state.tokenize = rubyInQuote("}", state.tokenize);
         return null;
       }
       return maybeBackup(stream, state, /[^\\]#\{/, 1, htmlMode.token(stream, state.htmlState));
     }
 
     function startHtmlLine(lastTokenize) {
       return function(stream, state) {
         var style = htmlLine(stream, state);
         if (stream.eol()) state.tokenize = lastTokenize;
         return style;
       };
     }
 
     function startHtmlMode(stream, state, offset) {
       state.stack = {
         parent: state.stack,
         style: "html",
         indented: stream.column() + offset, // pipe + space
         tokenize: state.line
       };
       state.line = state.tokenize = html;
       return null;
     }
 
     function comment(stream, state) {
       stream.skipToEnd();
       return state.stack.style;
     }
 
     function commentMode(stream, state) {
       state.stack = {
         parent: state.stack,
         style: "comment",
         indented: state.indented + 1,
         tokenize: state.line
       };
       state.line = comment;
       return comment(stream, state);
     }
 
     function attributeWrapper(stream, state) {
       if (stream.eat(state.stack.endQuote)) {
         state.line = state.stack.line;
         state.tokenize = state.stack.tokenize;
         state.stack = state.stack.parent;
         return null;
       }
       if (stream.match(wrappedAttributeNameRegexp)) {
         state.tokenize = attributeWrapperAssign;
         return "slimAttribute";
       }
       stream.next();
       return null;
     }
     function attributeWrapperAssign(stream, state) {
       if (stream.match(/^==?/)) {
         state.tokenize = attributeWrapperValue;
         return null;
       }
       return attributeWrapper(stream, state);
     }
     function attributeWrapperValue(stream, state) {
       var ch = stream.peek();
       if (ch == '"' || ch == "\'") {
         state.tokenize = readQuoted(ch, "string", true, false, attributeWrapper);
         stream.next();
         return state.tokenize(stream, state);
       }
       if (ch == '[') {
         return startRubySplat(attributeWrapper)(stream, state);
       }
       if (stream.match(/^(true|false|nil)\b/)) {
         state.tokenize = attributeWrapper;
         return "keyword";
       }
       return startRubySplat(attributeWrapper)(stream, state);
     }
 
     function startAttributeWrapperMode(state, endQuote, tokenize) {
       state.stack = {
         parent: state.stack,
         style: "wrapper",
         indented: state.indented + 1,
         tokenize: tokenize,
         line: state.line,
         endQuote: endQuote
       };
       state.line = state.tokenize = attributeWrapper;
       return null;
     }
 
     function sub(stream, state) {
       if (stream.match(/^#\{/)) {
         state.tokenize = rubyInQuote("}", state.tokenize);
         return null;
       }
       var subStream = new CodeMirror.StringStream(stream.string.slice(state.stack.indented), stream.tabSize);
       subStream.pos = stream.pos - state.stack.indented;
       subStream.start = stream.start - state.stack.indented;
       subStream.lastColumnPos = stream.lastColumnPos - state.stack.indented;
       subStream.lastColumnValue = stream.lastColumnValue - state.stack.indented;
       var style = state.subMode.token(subStream, state.subState);
       stream.pos = subStream.pos + state.stack.indented;
       return style;
     }
     function firstSub(stream, state) {
       state.stack.indented = stream.column();
       state.line = state.tokenize = sub;
       return state.tokenize(stream, state);
     }
 
     function createMode(mode) {
       var query = embedded[mode];
       var spec = CodeMirror.mimeModes[query];
       if (spec) {
         return CodeMirror.getMode(config, spec);
       }
       var factory = CodeMirror.modes[query];
       if (factory) {
         return factory(config, {name: query});
       }
       return CodeMirror.getMode(config, "null");
     }
 
     function getMode(mode) {
       if (!modes.hasOwnProperty(mode)) {
         return modes[mode] = createMode(mode);
       }
       return modes[mode];
     }
 
     function startSubMode(mode, state) {
       var subMode = getMode(mode);
       var subState = CodeMirror.startState(subMode);
 
       state.subMode = subMode;
       state.subState = subState;
 
       state.stack = {
         parent: state.stack,
         style: "sub",
         indented: state.indented + 1,
         tokenize: state.line
       };
       state.line = state.tokenize = firstSub;
       return "slimSubmode";
     }
 
     function doctypeLine(stream, _state) {
       stream.skipToEnd();
       return "slimDoctype";
     }
 
     function startLine(stream, state) {
       var ch = stream.peek();
       if (ch == '<') {
         return (state.tokenize = startHtmlLine(state.tokenize))(stream, state);
       }
       if (stream.match(/^[|']/)) {
         return startHtmlMode(stream, state, 1);
       }
       if (stream.match(/^\/(!|\[\w+])?/)) {
         return commentMode(stream, state);
       }
       if (stream.match(/^(-|==?[<>]?)/)) {
         state.tokenize = lineContinuable(stream.column(), commaContinuable(stream.column(), ruby));
         return "slimSwitch";
       }
       if (stream.match(/^doctype\b/)) {
         state.tokenize = doctypeLine;
         return "keyword";
       }
 
       var m = stream.match(embeddedRegexp);
       if (m) {
         return startSubMode(m[1], state);
       }
 
       return slimTag(stream, state);
     }
 
     function slim(stream, state) {
       if (state.startOfLine) {
         return startLine(stream, state);
       }
       return slimTag(stream, state);
     }
 
     function slimTag(stream, state) {
       if (stream.eat('*')) {
         state.tokenize = startRubySplat(slimTagExtras);
         return null;
       }
       if (stream.match(nameRegexp)) {
         state.tokenize = slimTagExtras;
         return "slimTag";
       }
       return slimClass(stream, state);
     }
     function slimTagExtras(stream, state) {
       if (stream.match(/^(<>?|><?)/)) {
         state.tokenize = slimClass;
         return null;
       }
       return slimClass(stream, state);
     }
     function slimClass(stream, state) {
       if (stream.match(classIdRegexp)) {
         state.tokenize = slimClass;
         return "slimId";
       }
       if (stream.match(classNameRegexp)) {
         state.tokenize = slimClass;
         return "slimClass";
       }
       return slimAttribute(stream, state);
     }
     function slimAttribute(stream, state) {
       if (stream.match(/^([\[\{\(])/)) {
         return startAttributeWrapperMode(state, closing[RegExp.$1], slimAttribute);
       }
       if (stream.match(attributeNameRegexp)) {
         state.tokenize = slimAttributeAssign;
         return "slimAttribute";
       }
       if (stream.peek() == '*') {
         stream.next();
         state.tokenize = startRubySplat(slimContent);
         return null;
       }
       return slimContent(stream, state);
     }
     function slimAttributeAssign(stream, state) {
       if (stream.match(/^==?/)) {
         state.tokenize = slimAttributeValue;
         return null;
       }
       // should never happen, because of forward lookup
       return slimAttribute(stream, state);
     }
 
     function slimAttributeValue(stream, state) {
       var ch = stream.peek();
       if (ch == '"' || ch == "\'") {
         state.tokenize = readQuoted(ch, "string", true, false, slimAttribute);
         stream.next();
         return state.tokenize(stream, state);
       }
       if (ch == '[') {
         return startRubySplat(slimAttribute)(stream, state);
       }
       if (ch == ':') {
         return startRubySplat(slimAttributeSymbols)(stream, state);
       }
       if (stream.match(/^(true|false|nil)\b/)) {
         state.tokenize = slimAttribute;
         return "keyword";
       }
       return startRubySplat(slimAttribute)(stream, state);
     }
     function slimAttributeSymbols(stream, state) {
       stream.backUp(1);
       if (stream.match(/^[^\s],(?=:)/)) {
         state.tokenize = startRubySplat(slimAttributeSymbols);
         return null;
       }
       stream.next();
       return slimAttribute(stream, state);
     }
     function readQuoted(quote, style, embed, unescaped, nextTokenize) {
       return function(stream, state) {
         finishContinue(state);
         var fresh = stream.current().length == 0;
         if (stream.match(/^\\$/, fresh)) {
           if (!fresh) return style;
           continueLine(state, state.indented);
           return "lineContinuation";
         }
         if (stream.match(/^#\{/, fresh)) {
           if (!fresh) return style;
           state.tokenize = rubyInQuote("}", state.tokenize);
           return null;
         }
         var escaped = false, ch;
         while ((ch = stream.next()) != null) {
           if (ch == quote && (unescaped || !escaped)) {
             state.tokenize = nextTokenize;
             break;
           }
           if (embed && ch == "#" && !escaped) {
             if (stream.eat("{")) {
               stream.backUp(2);
               break;
             }
           }
           escaped = !escaped && ch == "\\";
         }
         if (stream.eol() && escaped) {
           stream.backUp(1);
         }
         return style;
       };
     }
     function slimContent(stream, state) {
       if (stream.match(/^==?/)) {
         state.tokenize = ruby;
         return "slimSwitch";
       }
       if (stream.match(/^\/$/)) { // tag close hint
         state.tokenize = slim;
         return null;
       }
       if (stream.match(/^:/)) { // inline tag
         state.tokenize = slimTag;
         return "slimSwitch";
       }
       startHtmlMode(stream, state, 0);
       return state.tokenize(stream, state);
     }
 
     var mode = {
       // default to html mode
       startState: function() {
         var htmlState = CodeMirror.startState(htmlMode);
         var rubyState = CodeMirror.startState(rubyMode);
         return {
           htmlState: htmlState,
           rubyState: rubyState,
           stack: null,
           last: null,
           tokenize: slim,
           line: slim,
           indented: 0
         };
       },
 
       copyState: function(state) {
         return {
           htmlState : CodeMirror.copyState(htmlMode, state.htmlState),
           rubyState: CodeMirror.copyState(rubyMode, state.rubyState),
           subMode: state.subMode,
           subState: state.subMode && CodeMirror.copyState(state.subMode, state.subState),
           stack: state.stack,
           last: state.last,
           tokenize: state.tokenize,
           line: state.line
         };
       },
 
       token: function(stream, state) {
         if (stream.sol()) {
           state.indented = stream.indentation();
           state.startOfLine = true;
           state.tokenize = state.line;
           while (state.stack && state.stack.indented > state.indented && state.last != "slimSubmode") {
             state.line = state.tokenize = state.stack.tokenize;
             state.stack = state.stack.parent;
             state.subMode = null;
             state.subState = null;
           }
         }
         if (stream.eatSpace()) return null;
         var style = state.tokenize(stream, state);
         state.startOfLine = false;
         if (style) state.last = style;
         return styleMap.hasOwnProperty(style) ? styleMap[style] : style;
       },
 
       blankLine: function(state) {
         if (state.subMode && state.subMode.blankLine) {
           return state.subMode.blankLine(state.subState);
         }
       },
 
       innerMode: function(state) {
         if (state.subMode) return {state: state.subState, mode: state.subMode};
         return {state: state, mode: mode};
       }
 
       //indent: function(state) {
       //  return state.indented;
       //}
     };
     return mode;
   }, "htmlmixed", "ruby");
 
   CodeMirror.defineMIME("text/x-slim", "slim");
   CodeMirror.defineMIME("application/x-slim", "slim");
 });