File modules/editor/codemirror/mode/haml/haml.js

Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


     1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
     2 // Distributed under an MIT license: http://codemirror.net/LICENSE
     3 
     4 (function(mod) {
     5   if (typeof exports == "object" && typeof module == "object") // CommonJS
     6     mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"), require("../ruby/ruby"));
     7   else if (typeof define == "function" && define.amd) // AMD
     8     define(["../../lib/codemirror", "../htmlmixed/htmlmixed", "../ruby/ruby"], mod);
     9   else // Plain browser env
    10     mod(CodeMirror);
    11 })(function(CodeMirror) {
    12 "use strict";
    13 
    14   // full haml mode. This handled embedded ruby and html fragments too
    15   CodeMirror.defineMode("haml", function(config) {
    16     var htmlMode = CodeMirror.getMode(config, {name: "htmlmixed"});
    17     var rubyMode = CodeMirror.getMode(config, "ruby");
    18 
    19     function rubyInQuote(endQuote) {
    20       return function(stream, state) {
    21         var ch = stream.peek();
    22         if (ch == endQuote && state.rubyState.tokenize.length == 1) {
    23           // step out of ruby context as it seems to complete processing all the braces
    24           stream.next();
    25           state.tokenize = html;
    26           return "closeAttributeTag";
    27         } else {
    28           return ruby(stream, state);
    29         }
    30       };
    31     }
    32 
    33     function ruby(stream, state) {
    34       if (stream.match("-#")) {
    35         stream.skipToEnd();
    36         return "comment";
    37       }
    38       return rubyMode.token(stream, state.rubyState);
    39     }
    40 
    41     function html(stream, state) {
    42       var ch = stream.peek();
    43 
    44       // handle haml declarations. All declarations that cant be handled here
    45       // will be passed to html mode
    46       if (state.previousToken.style == "comment" ) {
    47         if (state.indented > state.previousToken.indented) {
    48           stream.skipToEnd();
    49           return "commentLine";
    50         }
    51       }
    52 
    53       if (state.startOfLine) {
    54         if (ch == "!" && stream.match("!!")) {
    55           stream.skipToEnd();
    56           return "tag";
    57         } else if (stream.match(/^%[\w:#\.]+=/)) {
    58           state.tokenize = ruby;
    59           return "hamlTag";
    60         } else if (stream.match(/^%[\w:]+/)) {
    61           return "hamlTag";
    62         } else if (ch == "/" ) {
    63           stream.skipToEnd();
    64           return "comment";
    65         }
    66       }
    67 
    68       if (state.startOfLine || state.previousToken.style == "hamlTag") {
    69         if ( ch == "#" || ch == ".") {
    70           stream.match(/[\w-#\.]*/);
    71           return "hamlAttribute";
    72         }
    73       }
    74 
    75       // donot handle --> as valid ruby, make it HTML close comment instead
    76       if (state.startOfLine && !stream.match("-->", false) && (ch == "=" || ch == "-" )) {
    77         state.tokenize = ruby;
    78         return state.tokenize(stream, state);
    79       }
    80 
    81       if (state.previousToken.style == "hamlTag" ||
    82           state.previousToken.style == "closeAttributeTag" ||
    83           state.previousToken.style == "hamlAttribute") {
    84         if (ch == "(") {
    85           state.tokenize = rubyInQuote(")");
    86           return state.tokenize(stream, state);
    87         } else if (ch == "{") {
    88           if (!stream.match(/^\{%.*/)) {
    89             state.tokenize = rubyInQuote("}");
    90             return state.tokenize(stream, state);
    91           }
    92         }
    93       }
    94 
    95       return htmlMode.token(stream, state.htmlState);
    96     }
    97 
    98     return {
    99       // default to html mode
   100       startState: function() {
   101         var htmlState = CodeMirror.startState(htmlMode);
   102         var rubyState = CodeMirror.startState(rubyMode);
   103         return {
   104           htmlState: htmlState,
   105           rubyState: rubyState,
   106           indented: 0,
   107           previousToken: { style: null, indented: 0},
   108           tokenize: html
   109         };
   110       },
   111 
   112       copyState: function(state) {
   113         return {
   114           htmlState : CodeMirror.copyState(htmlMode, state.htmlState),
   115           rubyState: CodeMirror.copyState(rubyMode, state.rubyState),
   116           indented: state.indented,
   117           previousToken: state.previousToken,
   118           tokenize: state.tokenize
   119         };
   120       },
   121 
   122       token: function(stream, state) {
   123         if (stream.sol()) {
   124           state.indented = stream.indentation();
   125           state.startOfLine = true;
   126         }
   127         if (stream.eatSpace()) return null;
   128         var style = state.tokenize(stream, state);
   129         state.startOfLine = false;
   130         // dont record comment line as we only want to measure comment line with
   131         // the opening comment block
   132         if (style && style != "commentLine") {
   133           state.previousToken = { style: style, indented: state.indented };
   134         }
   135         // if current state is ruby and the previous token is not `,` reset the
   136         // tokenize to html
   137         if (stream.eol() && state.tokenize == ruby) {
   138           stream.backUp(1);
   139           var ch = stream.peek();
   140           stream.next();
   141           if (ch && ch != ",") {
   142             state.tokenize = html;
   143           }
   144         }
   145         // reprocess some of the specific style tag when finish setting previousToken
   146         if (style == "hamlTag") {
   147           style = "tag";
   148         } else if (style == "commentLine") {
   149           style = "comment";
   150         } else if (style == "hamlAttribute") {
   151           style = "attribute";
   152         } else if (style == "closeAttributeTag") {
   153           style = null;
   154         }
   155         return style;
   156       }
   157     };
   158   }, "htmlmixed", "ruby");
   159 
   160   CodeMirror.defineMIME("text/x-haml", "haml");
   161 });



Download modules/editor/codemirror/mode/haml/haml.js


History
Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.