scripts/CodeMirror/mode/xml/xml.js (view raw)
1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/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 Context(state, tagName, startOfLine) {
191 this.prev = state.context;
192 this.tagName = tagName;
193 this.indent = state.indented;
194 this.startOfLine = startOfLine;
195 if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
196 this.noIndent = true;
197 }
198 function popContext(state) {
199 if (state.context) state.context = state.context.prev;
200 }
201 function maybePopContext(state, nextTagName) {
202 var parentTagName;
203 while (true) {
204 if (!state.context) {
205 return;
206 }
207 parentTagName = state.context.tagName;
208 if (!config.contextGrabbers.hasOwnProperty(parentTagName) ||
209 !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
210 return;
211 }
212 popContext(state);
213 }
214 }
215
216 function baseState(type, stream, state) {
217 if (type == "openTag") {
218 state.tagStart = stream.column();
219 return tagNameState;
220 } else if (type == "closeTag") {
221 return closeTagNameState;
222 } else {
223 return baseState;
224 }
225 }
226 function tagNameState(type, stream, state) {
227 if (type == "word") {
228 state.tagName = stream.current();
229 setStyle = "tag";
230 return attrState;
231 } else if (config.allowMissingTagName && type == "endTag") {
232 setStyle = "tag bracket";
233 return attrState(type, stream, state);
234 } else {
235 setStyle = "error";
236 return tagNameState;
237 }
238 }
239 function closeTagNameState(type, stream, state) {
240 if (type == "word") {
241 var tagName = stream.current();
242 if (state.context && state.context.tagName != tagName &&
243 config.implicitlyClosed.hasOwnProperty(state.context.tagName))
244 popContext(state);
245 if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
246 setStyle = "tag";
247 return closeState;
248 } else {
249 setStyle = "tag error";
250 return closeStateErr;
251 }
252 } else if (config.allowMissingTagName && type == "endTag") {
253 setStyle = "tag bracket";
254 return closeState(type, stream, state);
255 } else {
256 setStyle = "error";
257 return closeStateErr;
258 }
259 }
260
261 function closeState(type, _stream, state) {
262 if (type != "endTag") {
263 setStyle = "error";
264 return closeState;
265 }
266 popContext(state);
267 return baseState;
268 }
269 function closeStateErr(type, stream, state) {
270 setStyle = "error";
271 return closeState(type, stream, state);
272 }
273
274 function attrState(type, _stream, state) {
275 if (type == "word") {
276 setStyle = "attribute";
277 return attrEqState;
278 } else if (type == "endTag" || type == "selfcloseTag") {
279 var tagName = state.tagName, tagStart = state.tagStart;
280 state.tagName = state.tagStart = null;
281 if (type == "selfcloseTag" ||
282 config.autoSelfClosers.hasOwnProperty(tagName)) {
283 maybePopContext(state, tagName);
284 } else {
285 maybePopContext(state, tagName);
286 state.context = new Context(state, tagName, tagStart == state.indented);
287 }
288 return baseState;
289 }
290 setStyle = "error";
291 return attrState;
292 }
293 function attrEqState(type, stream, state) {
294 if (type == "equals") return attrValueState;
295 if (!config.allowMissing) setStyle = "error";
296 return attrState(type, stream, state);
297 }
298 function attrValueState(type, stream, state) {
299 if (type == "string") return attrContinuedState;
300 if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
301 setStyle = "error";
302 return attrState(type, stream, state);
303 }
304 function attrContinuedState(type, stream, state) {
305 if (type == "string") return attrContinuedState;
306 return attrState(type, stream, state);
307 }
308
309 return {
310 startState: function(baseIndent) {
311 var state = {tokenize: inText,
312 state: baseState,
313 indented: baseIndent || 0,
314 tagName: null, tagStart: null,
315 context: null}
316 if (baseIndent != null) state.baseIndent = baseIndent
317 return state
318 },
319
320 token: function(stream, state) {
321 if (!state.tagName && stream.sol())
322 state.indented = stream.indentation();
323
324 if (stream.eatSpace()) return null;
325 type = null;
326 var style = state.tokenize(stream, state);
327 if ((style || type) && style != "comment") {
328 setStyle = null;
329 state.state = state.state(type || style, stream, state);
330 if (setStyle)
331 style = setStyle == "error" ? style + " error" : setStyle;
332 }
333 return style;
334 },
335
336 indent: function(state, textAfter, fullLine) {
337 var context = state.context;
338 // Indent multi-line strings (e.g. css).
339 if (state.tokenize.isInAttribute) {
340 if (state.tagStart == state.indented)
341 return state.stringStartCol + 1;
342 else
343 return state.indented + indentUnit;
344 }
345 if (context && context.noIndent) return CodeMirror.Pass;
346 if (state.tokenize != inTag && state.tokenize != inText)
347 return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
348 // Indent the starts of attribute names.
349 if (state.tagName) {
350 if (config.multilineTagIndentPastTag !== false)
351 return state.tagStart + state.tagName.length + 2;
352 else
353 return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
354 }
355 if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
356 var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter);
357 if (tagAfter && tagAfter[1]) { // Closing tag spotted
358 while (context) {
359 if (context.tagName == tagAfter[2]) {
360 context = context.prev;
361 break;
362 } else if (config.implicitlyClosed.hasOwnProperty(context.tagName)) {
363 context = context.prev;
364 } else {
365 break;
366 }
367 }
368 } else if (tagAfter) { // Opening tag spotted
369 while (context) {
370 var grabbers = config.contextGrabbers[context.tagName];
371 if (grabbers && grabbers.hasOwnProperty(tagAfter[2]))
372 context = context.prev;
373 else
374 break;
375 }
376 }
377 while (context && context.prev && !context.startOfLine)
378 context = context.prev;
379 if (context) return context.indent + indentUnit;
380 else return state.baseIndent || 0;
381 },
382
383 electricInput: /<\/[\s\w:]+>$/,
384 blockCommentStart: "<!--",
385 blockCommentEnd: "-->",
386
387 configuration: config.htmlMode ? "html" : "xml",
388 helperType: config.htmlMode ? "html" : "xml",
389
390 skipAttribute: function(state) {
391 if (state.state == attrValueState)
392 state.state = attrState
393 },
394
395 xmlCurrentTag: function(state) {
396 return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
397 },
398
399 xmlCurrentContext: function(state) {
400 var context = []
401 for (var cx = state.context; cx; cx = cx.prev)
402 if (cx.tagName) context.push(cx.tagName)
403 return context.reverse()
404 }
405 };
406});
407
408CodeMirror.defineMIME("text/xml", "xml");
409CodeMirror.defineMIME("application/xml", "xml");
410if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
411 CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
412
413});