https://discours.io/node_modules/codemirror/mode/xml/xml.js

1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/5/LICENSE
3
4(function(mod) {
5  if (typeof exports == "object" && typeof module == "object") // CommonJS
6    mod(require("../../lib/codemirror"));
7  else if (typeof define == "function" && define.amd) // AMD
8    define(["../../lib/codemirror"], mod);
9  else // Plain browser env
10    mod(CodeMirror);
11})(function(CodeMirror) {
12"use strict";
13
14var htmlConfig = {
15  autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
16                    'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
17                    'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
18                    'track': true, 'wbr': true, 'menuitem': true},
19  implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
20                     'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
21                     'th': true, 'tr': true},
22  contextGrabbers: {
23    'dd': {'dd': true, 'dt': true},
24    'dt': {'dd': true, 'dt': true},
25    'li': {'li': true},
26    'option': {'option': true, 'optgroup': true},
27    'optgroup': {'optgroup': true},
28    'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
29          'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
30          'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
31          'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
32          'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
33    'rp': {'rp': true, 'rt': true},
34    'rt': {'rp': true, 'rt': true},
35    'tbody': {'tbody': true, 'tfoot': true},
36    'td': {'td': true, 'th': true},
37    'tfoot': {'tbody': true},
38    'th': {'td': true, 'th': true},
39    'thead': {'tbody': true, 'tfoot': true},
40    'tr': {'tr': true}
41  },
42  doNotIndent: {"pre": true},
43  allowUnquoted: true,
44  allowMissing: true,
45  caseFold: true
46}
47
48var xmlConfig = {
49  autoSelfClosers: {},
50  implicitlyClosed: {},
51  contextGrabbers: {},
52  doNotIndent: {},
53  allowUnquoted: false,
54  allowMissing: false,
55  allowMissingTagName: false,
56  caseFold: false
57}
58
59CodeMirror.defineMode("xml", function(editorConf, config_) {
60  var indentUnit = editorConf.indentUnit
61  var config = {}
62  var defaults = config_.htmlMode ? htmlConfig : xmlConfig
63  for (var prop in defaults) config[prop] = defaults[prop]
64  for (var prop in config_) config[prop] = config_[prop]
65
66  // Return variables for tokenizers
67  var type, setStyle;
68
69  function inText(stream, state) {
70    function chain(parser) {
71      state.tokenize = parser;
72      return parser(stream, state);
73    }
74
75    var ch = stream.next();
76    if (ch == "<") {
77      if (stream.eat("!")) {
78        if (stream.eat("[")) {
79          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
80          else return null;
81        } else if (stream.match("--")) {
82          return chain(inBlock("comment", "-->"));
83        } else if (stream.match("DOCTYPE", true, true)) {
84          stream.eatWhile(/[\w\._\-]/);
85          return chain(doctype(1));
86        } else {
87          return null;
88        }
89      } else if (stream.eat("?")) {
90        stream.eatWhile(/[\w\._\-]/);
91        state.tokenize = inBlock("meta", "?>");
92        return "meta";
93      } else {
94        type = stream.eat("/") ? "closeTag" : "openTag";
95        state.tokenize = inTag;
96        return "tag bracket";
97      }
98    } else if (ch == "&") {
99      var ok;
100      if (stream.eat("#")) {
101        if (stream.eat("x")) {
102          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
103        } else {
104          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
105        }
106      } else {
107        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
108      }
109      return ok ? "atom" : "error";
110    } else {
111      stream.eatWhile(/[^&<]/);
112      return null;
113    }
114  }
115  inText.isInText = true;
116
117  function inTag(stream, state) {
118    var ch = stream.next();
119    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
120      state.tokenize = inText;
121      type = ch == ">" ? "endTag" : "selfcloseTag";
122      return "tag bracket";
123    } else if (ch == "=") {
124      type = "equals";
125      return null;
126    } else if (ch == "<") {
127      state.tokenize = inText;
128      state.state = baseState;
129      state.tagName = state.tagStart = null;
130      var next = state.tokenize(stream, state);
131      return next ? next + " tag error" : "tag error";
132    } else if (/[\'\"]/.test(ch)) {
133      state.tokenize = inAttribute(ch);
134      state.stringStartCol = stream.column();
135      return state.tokenize(stream, state);
136    } else {
137      stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
138      return "word";
139    }
140  }
141
142  function inAttribute(quote) {
143    var closure = function(stream, state) {
144      while (!stream.eol()) {
145        if (stream.next() == quote) {
146          state.tokenize = inTag;
147          break;
148        }
149      }
150      return "string";
151    };
152    closure.isInAttribute = true;
153    return closure;
154  }
155
156  function inBlock(style, terminator) {
157    return function(stream, state) {
158      while (!stream.eol()) {
159        if (stream.match(terminator)) {
160          state.tokenize = inText;
161          break;
162        }
163        stream.next();
164      }
165      return style;
166    }
167  }
168
169  function doctype(depth) {
170    return function(stream, state) {
171      var ch;
172      while ((ch = stream.next()) != null) {
173        if (ch == "<") {
174          state.tokenize = doctype(depth + 1);
175          return state.tokenize(stream, state);
176        } else if (ch == ">") {
177          if (depth == 1) {
178            state.tokenize = inText;
179            break;
180          } else {
181            state.tokenize = doctype(depth - 1);
182            return state.tokenize(stream, state);
183          }
184        }
185      }
186      return "meta";
187    };
188  }
189
190  function lower(tagName) {
191    return tagName && tagName.toLowerCase();
192  }
193
194  function Context(state, tagName, startOfLine) {
195    this.prev = state.context;
196    this.tagName = tagName || "";
197    this.indent = state.indented;
198    this.startOfLine = startOfLine;
199    if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
200      this.noIndent = true;
201  }
202  function popContext(state) {
203    if (state.context) state.context = state.context.prev;
204  }
205  function maybePopContext(state, nextTagName) {
206    var parentTagName;
207    while (true) {
208      if (!state.context) {
209        return;
210      }
211      parentTagName = state.context.tagName;
212      if (!config.contextGrabbers.hasOwnProperty(lower(parentTagName)) ||
213          !config.contextGrabbers[lower(parentTagName)].hasOwnProperty(lower(nextTagName))) {
214        return;
215      }
216      popContext(state);
217    }
218  }
219
220  function baseState(type, stream, state) {
221    if (type == "openTag") {
222      state.tagStart = stream.column();
223      return tagNameState;
224    } else if (type == "closeTag") {
225      return closeTagNameState;
226    } else {
227      return baseState;
228    }
229  }
230  function tagNameState(type, stream, state) {
231    if (type == "word") {
232      state.tagName = stream.current();
233      setStyle = "tag";
234      return attrState;
235    } else if (config.allowMissingTagName && type == "endTag") {
236      setStyle = "tag bracket";
237      return attrState(type, stream, state);
238    } else {
239      setStyle = "error";
240      return tagNameState;
241    }
242  }
243  function closeTagNameState(type, stream, state) {
244    if (type == "word") {
245      var tagName = stream.current();
246      if (state.context && state.context.tagName != tagName &&
247          config.implicitlyClosed.hasOwnProperty(lower(state.context.tagName)))
248        popContext(state);
249      if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
250        setStyle = "tag";
251        return closeState;
252      } else {
253        setStyle = "tag error";
254        return closeStateErr;
255      }
256    } else if (config.allowMissingTagName && type == "endTag") {
257      setStyle = "tag bracket";
258      return closeState(type, stream, state);
259    } else {
260      setStyle = "error";
261      return closeStateErr;
262    }
263  }
264
265  function closeState(type, _stream, state) {
266    if (type != "endTag") {
267      setStyle = "error";
268      return closeState;
269    }
270    popContext(state);
271    return baseState;
272  }
273  function closeStateErr(type, stream, state) {
274    setStyle = "error";
275    return closeState(type, stream, state);
276  }
277

278  function attrState(type, _stream, state) {
279    if (type == "word") {
280      setStyle = "attribute";
281      return attrEqState;
282    } else if (type == "endTag" || type == "selfcloseTag") {
283      var tagName = state.tagName, tagStart = state.tagStart;
284      state.tagName = state.tagStart = null;
285      if (type == "selfcloseTag" ||
286          config.autoSelfClosers.hasOwnProperty(lower(tagName))) {
287        maybePopContext(state, tagName);
288      } else {
289        maybePopContext(state, tagName);
290        state.context = new Context(state, tagName, tagStart == state.indented);
291      }
292      return baseState;
293    }
294    setStyle = "error";
295    return attrState;
296  }
297  function attrEqState(type, stream, state) {
298    if (type == "equals") return attrValueState;
299    if (!config.allowMissing) setStyle = "error";
300    return attrState(type, stream, state);
301  }
302  function attrValueState(type, stream, state) {
303    if (type == "string") return attrContinuedState;
304    if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
305    setStyle = "error";
306    return attrState(type, stream, state);
307  }
308  function attrContinuedState(type, stream, state) {
309    if (type == "string") return attrContinuedState;
310    return attrState(type, stream, state);
311  }
312
313  return {
314    startState: function(baseIndent) {
315      var state = {tokenize: inText,
316                   state: baseState,
317                   indented: baseIndent || 0,
318                   tagName: null, tagStart: null,
319                   context: null}
320      if (baseIndent != null) state.baseIndent = baseIndent
321      return state
322    },
323
324    token: function(stream, state) {
325      if (!state.tagName && stream.sol())
326        state.indented = stream.indentation();
327
328      if (stream.eatSpace()) return null;
329      type = null;
330      var style = state.tokenize(stream, state);
331      if ((style || type) && style != "comment") {
332        setStyle = null;
333        state.state = state.state(type || style, stream, state);
334        if (setStyle)
335          style = setStyle == "error" ? style + " error" : setStyle;
336      }
337      return style;
338    },
339
340    indent: function(state, textAfter, fullLine) {
341      var context = state.context;
342      // Indent multi-line strings (e.g. css).
343      if (state.tokenize.isInAttribute) {
344        if (state.tagStart == state.indented)
345          return state.stringStartCol + 1;
346        else
347          return state.indented + indentUnit;
348      }
349      if (context && context.noIndent) return CodeMirror.Pass;
350      if (state.tokenize != inTag && state.tokenize != inText)
351        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
352      // Indent the starts of attribute names.
353      if (state.tagName) {
354        if (config.multilineTagIndentPastTag !== false)
355          return state.tagStart + state.tagName.length + 2;
356        else
357          return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
358      }
359      if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
360      var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter);
361      if (tagAfter && tagAfter[1]) { // Closing tag spotted
362        while (context) {
363          if (context.tagName == tagAfter[2]) {
364            context = context.prev;
365            break;
366          } else if (config.implicitlyClosed.hasOwnProperty(lower(context.tagName))) {
367            context = context.prev;
368          } else {
369            break;
370          }
371        }
372      } else if (tagAfter) { // Opening tag spotted
373        while (context) {
374          var grabbers = config.contextGrabbers[lower(context.tagName)];
375          if (grabbers && grabbers.hasOwnProperty(lower(tagAfter[2])))
376            context = context.prev;
377          else
378            break;
379        }
380      }
381      while (context && context.prev && !context.startOfLine)
382        context = context.prev;
383      if (context) return context.indent + indentUnit;
384      else return state.baseIndent || 0;
385    },
386
387    electricInput: /<\/[\s\w:]+>$/,
388    blockCommentStart: "<!--",
389    blockCommentEnd: "-->",
390
391    configuration: config.htmlMode ? "html" : "xml",
392    helperType: config.htmlMode ? "html" : "xml",
393
394    skipAttribute: function(state) {
395      if (state.state == attrValueState)
396        state.state = attrState
397    },
398
399    xmlCurrentTag: function(state) {
400      return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
401    },
402
403    xmlCurrentContext: function(state) {
404      var context = []
405      for (var cx = state.context; cx; cx = cx.prev)
406        context.push(cx.tagName)
407      return context.reverse()
408    }
409  };
410});
411
412CodeMirror.defineMIME("text/xml", "xml");
413CodeMirror.defineMIME("application/xml", "xml");
414if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
415  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
416
417});