xref: /plugin/combo/syntax/headingatx.php (revision e55e4e71208cf11ca8c608d736f6c1a20fb4c5c5) 
1<?php
2
3
4use ComboStrap\CallStack;
5use ComboStrap\LogUtility;
6use ComboStrap\PluginUtility;
7use ComboStrap\TagAttributes;
8
9
10if (!defined('DOKU_INC')) die();
11
12/**
13 * Atx headings
14 * https://github.github.com/gfm/#atx-headings
15 * https://spec.commonmark.org/0.29/#atx-heading
16 * http://www.aaronsw.com/2002/atx/intro
17 */
18class syntax_plugin_combo_headingatx extends DokuWiki_Syntax_Plugin
19{
20
21
22    const TAG = "headingatx";
23    const LEVEL = 'level';
24    const EXIT_PATTERN = "\r??\n";
25
26
27    function getType()
28    {
29        return 'formatting';
30    }
31
32    /**
33     *
34     * How Dokuwiki will add P element
35     *
36     *  * 'normal' - The plugin can be used inside paragraphs (inline)
37     *  * 'block'  - Open paragraphs need to be closed before plugin output - block should not be inside paragraphs
38     *  * 'stack'  - Special case. Plugin wraps other paragraphs. - Stacks can contain paragraphs
39     *
40     * @see DokuWiki_Syntax_Plugin::getPType()
41     *
42     */
43    function getPType()
44    {
45        return 'block';
46    }
47
48    /**
49     * @return array
50     * Allow which kind of plugin inside
51     *
52     * No one of array('baseonly','container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs')
53     * because we manage self the content and we call self the parser
54     *
55     * Return an array of one or more of the mode types {@link $PARSER_MODES} in Parser.php
56     */
57    function getAllowedTypes()
58    {
59        return array('formatting', 'substition', 'protected', 'disabled');
60    }
61
62    /**
63     *
64     * @return int
65     */
66    function getSort()
67    {
68        return 49;
69    }
70
71
72    function connectTo($mode)
73    {
74
75        $pattern = '\r??\n\s*#{1,6}\s?(?=.*' . self::EXIT_PATTERN . ')';
76        $this->Lexer->addSpecialPattern($pattern, $mode, PluginUtility::getModeForComponent($this->getPluginComponent()));
77
78    }
79
80
81    function handle($match, $state, $pos, Doku_Handler $handler)
82    {
83
84        switch ($state) {
85
86            case DOKU_LEXER_SPECIAL :
87
88                $attributes = [syntax_plugin_combo_heading::LEVEL => strlen(trim($match))];
89                $callStack = CallStack::createFromHandler($handler);
90
91                // Determine the type
92                $parent = $callStack->moveToParent();
93                $context = syntax_plugin_combo_heading::getContext($parent);
94
95                /**
96                 * The context is needed:
97                 *   * to add the bootstrap class if it's a card title for instance
98                 *   * and to delete {@link syntax_plugin_combo_heading::TYPE_OUTLINE} call
99                 * in the {@link action_plugin_combo_headingpostprocess} (The rendering is done via Dokuwiki,
100                 * see the exit processing for more info on the handling of outline headings)
101                 *
102                 */
103                return array(
104                    PluginUtility::STATE => $state,
105                    PluginUtility::ATTRIBUTES => $attributes,
106                    PluginUtility::CONTEXT => $context,
107                    PluginUtility::POSITION => $pos
108                );
109
110
111        }
112        return array();
113
114    }
115
116    /**
117     * Render the output
118     * @param string $format
119     * @param Doku_Renderer $renderer
120     * @param array $data - what the function handle() return'ed
121     * @return boolean - rendered correctly? (however, returned value is not used at the moment)
122     * @see DokuWiki_Syntax_Plugin::render()
123     *
124     *
125     */
126    function render($format, Doku_Renderer $renderer, $data)
127    {
128
129        /**
130         *
131         * The atx special call is transformed by the {@link action_plugin_combo_headingpostprocess}
132         * into enter and exit call
133         */
134        if ($format == 'xhtml') {
135
136            /** @var Doku_Renderer_xhtml $renderer */
137            $state = $data[PluginUtility::STATE];
138            switch ($state) {
139
140                case DOKU_LEXER_ENTER:
141
142                    $attributes = $data[PluginUtility::ATTRIBUTES];
143                    $context = $data[PluginUtility::CONTEXT];
144                    $tagAttributes = TagAttributes::createFromCallStackArray($attributes, syntax_plugin_combo_heading::TAG);
145                    $pos = $data[PluginUtility::POSITION];
146                    syntax_plugin_combo_heading::renderOpeningTag($context, $tagAttributes, $renderer, $pos);
147                    return true;
148
149
150                case DOKU_LEXER_EXIT:
151
152                    $attributes = $data[PluginUtility::ATTRIBUTES];
153                    $tagAttributes = TagAttributes::createFromCallStackArray($attributes);
154                    $level = $tagAttributes->getValue(syntax_plugin_combo_heading::LEVEL);
155                    $renderer->doc .= "</h$level>" . DOKU_LF;
156                    return true;
157
158            }
159        } else if ($format == renderer_plugin_combo_analytics::RENDERER_FORMAT) {
160
161            /**
162             * @var renderer_plugin_combo_analytics $renderer
163             */
164            syntax_plugin_combo_heading::processMetadataAnalytics($data, $renderer);
165
166        } else if ($format == "metadata") {
167
168            /**
169             * @var Doku_Renderer_metadata $renderer
170             */
171            syntax_plugin_combo_heading::processHeadingMetadata($data, $renderer);
172
173        }
174
175        return false;
176    }
177
178
179}
180
181