xref: /plugin/combo/syntax/headingwiki.php (revision c3437056399326d621a01da73b649707fbb0ae69) 
1<?php
2
3use ComboStrap\CallStack;
4use ComboStrap\LogUtility;
5use ComboStrap\PluginUtility;
6use ComboStrap\TagAttributes;
7
8
9/**
10 * Class headingwiki
11 * Taking over {@link \dokuwiki\Parsing\ParserMode\Header}
12 */
13class syntax_plugin_combo_headingwiki extends DokuWiki_Syntax_Plugin
14{
15
16    /**
17     * Header pattern
18     *   * Dokuwiki does not made a space mandatory after and before the opening an closing `=` character
19     *   * No line break in the look ahead
20     *   * The capture of the first spaces should be optional otherwise the {@link \dokuwiki\Parsing\ParserMode\Header} is taking over
21     *
22     * See also for information,
23     * the original heading pattern of Dokuwiki {@link \dokuwiki\Parsing\ParserMode\Header}
24     */
25    const ENTRY_PATTERN = '[ \t]*={1,6}(?=[^\n]*={1,6}\s*\r??\n)';
26    const EXIT_PATTERN = '={1,6}\s*(?=\r??\n)';
27    const TAG = "headingwiki";
28
29    const CONF_WIKI_HEADING_ENABLE = "headingWikiEnable";
30    const CONF_DEFAULT_WIKI_ENABLE_VALUE = 1;
31
32    public function getSort()
33    {
34        /**
35         * It's 49 (on less than the original heading)
36         * {@link \dokuwiki\Parsing\ParserMode\Header::getSort()}
37         */
38        return 49;
39    }
40
41    public function getType()
42    {
43        return syntax_plugin_combo_heading::SYNTAX_TYPE;
44    }
45
46
47    /**
48     *
49     * How Dokuwiki will add P element
50     *
51     *  * 'normal' - The plugin can be used inside paragraphs (inline)
52     *  * 'block'  - Open paragraphs need to be closed before plugin output - block should not be inside paragraphs
53     *  * 'stack'  - Special case. Plugin wraps other paragraphs. - Stacks can contain paragraphs
54     *
55     * @see DokuWiki_Syntax_Plugin::getPType()
56     *
57     * This is the equivalent of inline or block for css
58     */
59    public function getPType()
60    {
61        return syntax_plugin_combo_heading::SYNTAX_PTYPE;
62    }
63
64    /**
65     * @return array
66     * Allow which kind of plugin inside
67     *
68     * No one of array('baseonly','container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs')
69     * because we manage self the content and we call self the parser
70     *
71     * Return an array of one or more of the mode types {@link $PARSER_MODES} in Parser.php
72     */
73    function getAllowedTypes()
74    {
75        return array('formatting', 'substition', 'protected', 'disabled');
76    }
77
78
79    public function connectTo($mode)
80    {
81        if ($this->enableWikiHeading($mode)) {
82            $this->Lexer->addEntryPattern(self::ENTRY_PATTERN, $mode, PluginUtility::getModeFromTag($this->getPluginComponent()));
83        }
84    }
85
86    public function postConnect()
87    {
88
89        $this->Lexer->addExitPattern(self::EXIT_PATTERN, PluginUtility::getModeFromTag($this->getPluginComponent()));
90
91    }
92
93
94    /**
95     * Handle the syntax
96     *
97     * At the end of the parser, the `section_open` and `section_close` calls
98     * are created in {@link action_plugin_combo_headingpostprocessing}
99     * and the text inside for the toc is captured
100     *
101     * @param string $match
102     * @param int $state
103     * @param int $pos
104     * @param Doku_Handler $handler
105     * @return array
106     */
107    public function handle($match, $state, $pos, Doku_Handler $handler)
108    {
109        switch ($state) {
110
111            case DOKU_LEXER_ENTER:
112                /**
113                 * Title regexp
114                 */
115                $attributes[syntax_plugin_combo_heading::LEVEL] = $this->getLevelFromMatch($match);
116                $callStack = CallStack::createFromHandler($handler);
117
118                $context = syntax_plugin_combo_heading::getContext($callStack);
119
120                return array(
121                    PluginUtility::STATE => $state,
122                    PluginUtility::ATTRIBUTES => $attributes,
123                    PluginUtility::CONTEXT => $context,
124                    PluginUtility::POSITION => $pos
125                );
126            case DOKU_LEXER_UNMATCHED :
127
128                return PluginUtility::handleAndReturnUnmatchedData(self::TAG, $match, $handler);
129
130            case DOKU_LEXER_EXIT :
131
132                $callStack = CallStack::createFromHandler($handler);
133
134                $returnedData = syntax_plugin_combo_heading::handleExit($callStack);
135
136
137                /**
138                 * Control of the Number of `=` before and after
139                 */
140                $callStack->moveToEnd();
141                $openingTag = $callStack->moveToPreviousCorrespondingOpeningCall();
142                $levelFromMatch = $this->getLevelFromMatch($match);
143                $levelFromStartTag = $openingTag->getAttribute(syntax_plugin_combo_heading::LEVEL);
144                if ($levelFromMatch != $levelFromStartTag) {
145                    $content = "";
146                    while ($actualCall = $callStack->next()) {
147                        $content .= $actualCall->getCapturedContent();
148                    }
149                    LogUtility::msg("The number of `=` character for a wiki heading is not the same before ($levelFromStartTag) and after ($levelFromMatch) the content ($content).", LogUtility::LVL_MSG_INFO, syntax_plugin_combo_heading::CANONICAL);
150                }
151
152                return $returnedData;
153
154        }
155        return array();
156    }
157
158    public function render($format, Doku_Renderer $renderer, $data): bool
159    {
160
161        if ($format == "xhtml") {
162            /**
163             * @var Doku_Renderer_xhtml $renderer
164             */
165            $state = $data[PluginUtility::STATE];
166            switch ($state) {
167
168                case DOKU_LEXER_ENTER:
169                    $callStackArray = $data[PluginUtility::ATTRIBUTES];
170                    $tagAttributes = TagAttributes::createFromCallStackArray($callStackArray, syntax_plugin_combo_heading::TAG);
171                    $context = $data[PluginUtility::CONTEXT];
172                    $pos = $data[PluginUtility::POSITION];
173                    syntax_plugin_combo_heading::renderOpeningTag($context, $tagAttributes, $renderer, $pos);
174                    return true;
175                case DOKU_LEXER_UNMATCHED:
176                    $renderer->doc .= PluginUtility::renderUnmatched($data);
177                    return true;
178                case DOKU_LEXER_EXIT:
179                    $callStackArray = $data[PluginUtility::ATTRIBUTES];
180                    $tagAttributes = TagAttributes::createFromCallStackArray($callStackArray);
181                    $renderer->doc .= syntax_plugin_combo_heading::renderClosingTag($tagAttributes);
182                    return true;
183
184            }
185        } else if ($format == renderer_plugin_combo_analytics::RENDERER_FORMAT) {
186
187            /**
188             * @var renderer_plugin_combo_analytics $renderer
189             */
190            syntax_plugin_combo_heading::processMetadataAnalytics($data, $renderer);
191
192        } else if ($format == "metadata") {
193
194            /**
195             * @var Doku_Renderer_metadata $renderer
196             */
197            syntax_plugin_combo_heading::processHeadingMetadata($data, $renderer);
198
199        } else if ($format == renderer_plugin_combo_xml::FORMAT) {
200            $state = $data[PluginUtility::STATE];
201            switch ($state) {
202                case DOKU_LEXER_ENTER:
203                    $level = $data[PluginUtility::ATTRIBUTES][syntax_plugin_combo_heading::LEVEL];
204                    $renderer->doc .= "<h$level>";
205                    break;
206                case DOKU_LEXER_UNMATCHED:
207                    $renderer->doc .= PluginUtility::renderUnmatchedXml($data);
208                    break;
209                case DOKU_LEXER_EXIT:
210                    $level = $data[PluginUtility::ATTRIBUTES][syntax_plugin_combo_heading::LEVEL];
211                    $renderer->doc .= "</h$level>";
212                    break;
213
214            }
215
216        }
217
218        return false;
219    }
220
221    /**
222     * @param $match
223     * @return int
224     */
225    public
226    function getLevelFromMatch($match)
227    {
228        return 7 - strlen(trim($match));
229    }
230
231
232    private
233    function enableWikiHeading($mode)
234    {
235
236
237        /**
238         * Basically all mode that are not `base`
239         * To not take the dokuwiki heading
240         */
241        if (!(in_array($mode, ['base', 'header', 'table']))) {
242            return true;
243        } else {
244            return PluginUtility::getConfValue(self::CONF_WIKI_HEADING_ENABLE, self::CONF_DEFAULT_WIKI_ENABLE_VALUE);
245        }
246
247
248    }
249
250
251}
252