Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
Total | n/a |
0 / 0 |
n/a |
0 / 0 |
CRAP | n/a |
0 / 0 |
1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | use MediaWiki\Parser\MagicWord; |
22 | use MediaWiki\Title\Title; |
23 | |
24 | /** |
25 | * Base interface for representing page content. |
26 | * |
27 | * A content object represents page content, e.g. the text to show on a page. |
28 | * Content objects have no knowledge about how they relate to wiki pages. |
29 | * |
30 | * Must not be implemented directly by extensions, extend AbstractContent instead. |
31 | * |
32 | * @stable to type |
33 | * @since 1.21 |
34 | * @ingroup Content |
35 | * @author Daniel Kinzler |
36 | */ |
37 | interface Content { |
38 | |
39 | /** |
40 | * @since 1.21 |
41 | * |
42 | * @return string A string representing the content in a way useful for |
43 | * building a full text search index. If no useful representation exists, |
44 | * this method returns an empty string. |
45 | * |
46 | * @todo Test that this actually works |
47 | * @todo Make sure this also works with LuceneSearch / WikiSearch |
48 | */ |
49 | public function getTextForSearchIndex(); |
50 | |
51 | /** |
52 | * @since 1.21 |
53 | * |
54 | * @return string|false The wikitext to include when another page includes this |
55 | * content, or false if the content is not includable in a wikitext page. |
56 | * |
57 | * @todo Allow native handling, bypassing wikitext representation, like |
58 | * for includable special pages. |
59 | * @todo Allow transclusion into other content models than Wikitext! |
60 | * @todo Used in WikiPage and MessageCache to get message text. Not so |
61 | * nice. What should we use instead?! |
62 | */ |
63 | public function getWikitextForTransclusion(); |
64 | |
65 | /** |
66 | * Returns a textual representation of the content suitable for use in edit |
67 | * summaries and log messages. |
68 | * |
69 | * @since 1.21 |
70 | * |
71 | * @param int $maxLength Maximum length of the summary text, in bytes. |
72 | * Usually implemented using {@link Language::truncateForDatabase()}. |
73 | * |
74 | * @return string The summary text. |
75 | */ |
76 | public function getTextForSummary( $maxLength = 250 ); |
77 | |
78 | /** |
79 | * Returns native representation of the data. Interpretation depends on |
80 | * the data model used, as given by getDataModel(). |
81 | * |
82 | * @since 1.21 |
83 | * |
84 | * @deprecated since 1.33 use getText() for TextContent instances. |
85 | * For other content models, use specialized getters. |
86 | * |
87 | * @return mixed The native representation of the content. Could be a |
88 | * string, a nested array structure, an object, a binary blob... |
89 | * anything, really. |
90 | * |
91 | * @note Caller must be aware of content model! |
92 | */ |
93 | public function getNativeData(); |
94 | |
95 | /** |
96 | * Returns the content's nominal size in "bogo-bytes". |
97 | * |
98 | * @return int |
99 | */ |
100 | public function getSize(); |
101 | |
102 | /** |
103 | * Returns the ID of the content model used by this Content object. |
104 | * Corresponds to the CONTENT_MODEL_XXX constants. |
105 | * |
106 | * @since 1.21 |
107 | * |
108 | * @return string The model id |
109 | */ |
110 | public function getModel(); |
111 | |
112 | /** |
113 | * Convenience method that returns the ContentHandler singleton for handling |
114 | * the content model that this Content object uses. |
115 | * |
116 | * Shorthand for ContentHandler::getForContent( $this ) |
117 | * |
118 | * @since 1.21 |
119 | * |
120 | * @return ContentHandler |
121 | */ |
122 | public function getContentHandler(); |
123 | |
124 | /** |
125 | * Convenience method that returns the default serialization format for the |
126 | * content model that this Content object uses. |
127 | * |
128 | * Shorthand for $this->getContentHandler()->getDefaultFormat() |
129 | * |
130 | * @since 1.21 |
131 | * |
132 | * @return string |
133 | */ |
134 | public function getDefaultFormat(); |
135 | |
136 | /** |
137 | * Convenience method that returns the list of serialization formats |
138 | * supported for the content model that this Content object uses. |
139 | * |
140 | * Shorthand for $this->getContentHandler()->getSupportedFormats() |
141 | * |
142 | * @since 1.21 |
143 | * |
144 | * @return string[] List of supported serialization formats |
145 | */ |
146 | public function getSupportedFormats(); |
147 | |
148 | /** |
149 | * Returns true if $format is a supported serialization format for this |
150 | * Content object, false if it isn't. |
151 | * |
152 | * Note that this should always return true if $format is null, because null |
153 | * stands for the default serialization. |
154 | * |
155 | * Shorthand for $this->getContentHandler()->isSupportedFormat( $format ) |
156 | * |
157 | * @since 1.21 |
158 | * |
159 | * @param string $format The serialization format to check. |
160 | * |
161 | * @return bool Whether the format is supported |
162 | */ |
163 | public function isSupportedFormat( $format ); |
164 | |
165 | /** |
166 | * Convenience method for serializing this Content object. |
167 | * |
168 | * Shorthand for $this->getContentHandler()->serializeContent( $this, $format ) |
169 | * |
170 | * @since 1.21 |
171 | * |
172 | * @param string|null $format The desired serialization format, or null for the default format. |
173 | * |
174 | * @return string Serialized form of this Content object. |
175 | */ |
176 | public function serialize( $format = null ); |
177 | |
178 | /** |
179 | * Returns true if this Content object represents empty content. |
180 | * |
181 | * @since 1.21 |
182 | * |
183 | * @return bool Whether this Content object is empty |
184 | */ |
185 | public function isEmpty(); |
186 | |
187 | /** |
188 | * Returns whether the content is valid. This is intended for local validity |
189 | * checks, not considering global consistency. |
190 | * |
191 | * Content needs to be valid before it can be saved. |
192 | * |
193 | * This default implementation always returns true. |
194 | * |
195 | * @since 1.21 |
196 | * |
197 | * @return bool |
198 | */ |
199 | public function isValid(); |
200 | |
201 | /** |
202 | * Returns true if this Content objects is conceptually equivalent to the |
203 | * given Content object. |
204 | * |
205 | * Contract: |
206 | * |
207 | * - Will return false if $that is null. |
208 | * - Will return true if $that === $this. |
209 | * - Will return false if $that->getModel() !== $this->getModel(). |
210 | * - Will return false if get_class( $that ) !== get_class( $this ) |
211 | * - Should return false if $that->getModel() == $this->getModel() and |
212 | * $that is not semantically equivalent to $this, according to |
213 | * the data model defined by $this->getModel(). |
214 | * |
215 | * Implementations should be careful to make equals() transitive and reflexive: |
216 | * |
217 | * - $a->equals( $b ) <=> $b->equals( $a ) |
218 | * - $a->equals( $b ) && $b->equals( $c ) ==> $a->equals( $c ) |
219 | * |
220 | * @since 1.21 |
221 | * |
222 | * @param Content|null $that The Content object to compare to. |
223 | * |
224 | * @return bool True if this Content object is equal to $that, false otherwise. |
225 | */ |
226 | public function equals( Content $that = null ); |
227 | |
228 | /** |
229 | * Return a copy of this Content object. The following must be true for the |
230 | * object returned: |
231 | * |
232 | * if $copy = $original->copy() |
233 | * |
234 | * - get_class($original) === get_class($copy) |
235 | * - $original->getModel() === $copy->getModel() |
236 | * - $original->equals( $copy ) |
237 | * |
238 | * If and only if the Content object is immutable, the copy() method can and |
239 | * should return $this. That is, $copy === $original may be true, but only |
240 | * for immutable content objects. |
241 | * |
242 | * @since 1.21 |
243 | * |
244 | * @return Content A copy of this object |
245 | */ |
246 | public function copy(); |
247 | |
248 | /** |
249 | * Returns true if this content is countable as a "real" wiki page, provided |
250 | * that it's also in a countable location (e.g. a current revision in the |
251 | * main namespace). |
252 | * |
253 | * @see SlotRoleHandler::supportsArticleCount |
254 | * |
255 | * @since 1.21 |
256 | * |
257 | * @param bool|null $hasLinks If it is known whether this content contains |
258 | * links, provide this information here, to avoid redundant parsing to |
259 | * find out. |
260 | * |
261 | * @return bool |
262 | */ |
263 | public function isCountable( $hasLinks = null ); |
264 | |
265 | /** |
266 | * Construct the redirect destination from this content and return a Title, |
267 | * or null if this content doesn't represent a redirect. |
268 | * |
269 | * @since 1.21 |
270 | * |
271 | * @return Title|null |
272 | */ |
273 | public function getRedirectTarget(); |
274 | |
275 | /** |
276 | * Returns whether this Content represents a redirect. |
277 | * Shorthand for getRedirectTarget() !== null. |
278 | * |
279 | * @see SlotRoleHandler::supportsRedirects |
280 | * |
281 | * @since 1.21 |
282 | * |
283 | * @return bool |
284 | */ |
285 | public function isRedirect(); |
286 | |
287 | /** |
288 | * If this Content object is a redirect, this method updates the redirect target. |
289 | * Otherwise, it does nothing. |
290 | * |
291 | * @since 1.21 |
292 | * |
293 | * @param Title $target The new redirect target |
294 | * |
295 | * @return Content A new Content object with the updated redirect (or $this |
296 | * if this Content object isn't a redirect) |
297 | */ |
298 | public function updateRedirect( Title $target ); |
299 | |
300 | /** |
301 | * Returns the section with the given ID. |
302 | * |
303 | * @since 1.21 |
304 | * |
305 | * @param string|int $sectionId Section identifier as a number or string |
306 | * (e.g. 0, 1 or 'T-1'). The ID "0" retrieves the section before the first heading, "1" the |
307 | * text between the first heading (included) and the second heading (excluded), etc. |
308 | * |
309 | * @return Content|false|null The section, or false if no such section |
310 | * exist, or null if sections are not supported. |
311 | */ |
312 | public function getSection( $sectionId ); |
313 | |
314 | /** |
315 | * Replaces a section of the content and returns a Content object with the |
316 | * section replaced. |
317 | * |
318 | * @since 1.21 |
319 | * |
320 | * @param string|int|null|false $sectionId Section identifier as a number or string |
321 | * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page |
322 | * or 'new' for a new section. |
323 | * @param Content $with New content of the section |
324 | * @param string $sectionTitle New section's subject, only if $section is 'new' |
325 | * |
326 | * @return Content|null New content of the entire page, or null if error |
327 | */ |
328 | public function replaceSection( $sectionId, Content $with, $sectionTitle = '' ); |
329 | |
330 | /** |
331 | * Returns a new WikitextContent object with the given section heading |
332 | * prepended, if supported. The default implementation just returns this |
333 | * Content object unmodified, ignoring the section header. |
334 | * |
335 | * @since 1.21 |
336 | * |
337 | * @param string $header |
338 | * |
339 | * @return Content |
340 | */ |
341 | public function addSectionHeader( $header ); |
342 | |
343 | /** |
344 | * Returns true if this Content object matches the given magic word. |
345 | * |
346 | * @since 1.21 |
347 | * |
348 | * @param MagicWord $word The magic word to match |
349 | * |
350 | * @return bool Whether this Content object matches the given magic word. |
351 | */ |
352 | public function matchMagicWord( MagicWord $word ); |
353 | |
354 | /** |
355 | * Converts this content object into another content object with the given content model, |
356 | * if that is possible. |
357 | * |
358 | * @param string $toModel The desired content model, use the CONTENT_MODEL_XXX flags. |
359 | * @param string $lossy Optional flag, set to "lossy" to allow lossy conversion. If lossy |
360 | * conversion is not allowed, full round-trip conversion is expected to work without losing |
361 | * information. |
362 | * |
363 | * @return Content|false A content object with the content model $toModel, or false if |
364 | * that conversion is not supported. |
365 | */ |
366 | public function convert( $toModel, $lossy = '' ); |
367 | |
368 | // @todo ImagePage and CategoryPage interfere with per-content action handlers |
369 | // @todo nice integration of GeSHi syntax highlighting |
370 | // [11:59] <vvv> Hooks are ugly; make CodeHighlighter interface and a |
371 | // config to set the class which handles syntax highlighting |
372 | // [12:00] <vvv> And default it to a DummyHighlighter |
373 | |
374 | } |