xref: /plugin/combo/syntax/code.php (revision 21913ab3235d516e2fa19c7e3929b555b3a2bda1)
1<?php
2
3// implementation of
4// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/code
5
6// must be run within Dokuwiki
7use ComboStrap\PluginUtility;
8use ComboStrap\Prism;
9use ComboStrap\Tag;
10use ComboStrap\TagAttributes;
11
12require_once(__DIR__ . '/../class/StringUtility.php');
13require_once(__DIR__ . '/../class/Prism.php');
14
15if (!defined('DOKU_INC')) die();
16
17
18class syntax_plugin_combo_code extends DokuWiki_Syntax_Plugin
19{
20
21    /**
22     * Enable or disable the code component
23     */
24    const CONF_CODE_ENABLE = 'codeEnable';
25
26
27    /**
28     * The tag of the ui component
29     */
30    const CODE_TAG = "code";
31    const FILE_PATH_KEY = "file-path";
32
33
34    function getType()
35    {
36        /**
37         * You can't write in a code block
38         */
39        return 'protected';
40    }
41
42    /**
43     * How DokuWiki will add P element
44     *
45     *  * 'normal' - The plugin can be used inside paragraphs
46     *  * 'block'  - Open paragraphs need to be closed before plugin output - block should not be inside paragraphs
47     *  * 'stack'  - Special case. Plugin wraps other paragraphs. - Stacks can contain paragraphs
48     *
49     * @see DokuWiki_Syntax_Plugin::getPType()
50     */
51    function getPType()
52    {
53        return 'block';
54    }
55
56    /**
57     * @return array
58     * Allow which kind of plugin inside
59     *
60     * No one of array('baseonly','container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs')
61     * because we manage self the content and we call self the parser
62     *
63     * Return an array of one or more of the mode types {@link $PARSER_MODES} in Parser.php
64     */
65    function getAllowedTypes()
66    {
67        return array();
68    }
69
70    function getSort()
71    {
72        /**
73         * Should be less than the code syntax plugin
74         * which is 200
75         **/
76        return 199;
77    }
78
79
80    function connectTo($mode)
81    {
82
83        if ($this->getConf(self::CONF_CODE_ENABLE)) {
84            $pattern = PluginUtility::getContainerTagPattern(self::CODE_TAG);
85            $this->Lexer->addEntryPattern($pattern, $mode, PluginUtility::getModeForComponent($this->getPluginComponent()));
86        }
87
88
89    }
90
91
92    function postConnect()
93    {
94        if ($this->getConf(self::CONF_CODE_ENABLE)) {
95            $this->Lexer->addExitPattern('</' . self::CODE_TAG . '>', PluginUtility::getModeForComponent($this->getPluginComponent()));
96        }
97
98
99    }
100
101    /**
102     *
103     * The handle function goal is to parse the matched syntax through the pattern function
104     * and to return the result for use in the renderer
105     * This result is always cached until the page is modified.
106     * @param string $match
107     * @param int $state
108     * @param int $pos - byte position in the original source file
109     * @param Doku_Handler $handler
110     * @return array|bool
111     * @see DokuWiki_Syntax_Plugin::handle()
112     *
113     */
114    function handle($match, $state, $pos, Doku_Handler $handler)
115    {
116
117        switch ($state) {
118
119            case DOKU_LEXER_ENTER :
120                $tagAttributes = PluginUtility::getQualifiedTagAttributes($match, true, self::FILE_PATH_KEY);
121                return array(
122                    PluginUtility::STATE => $state,
123                    PluginUtility::ATTRIBUTES => $tagAttributes
124                );
125
126            case DOKU_LEXER_UNMATCHED :
127
128                $data = PluginUtility::handleAndReturnUnmatchedData(self::CODE_TAG, $match, $handler);
129                /**
130                 * Attribute are send for the
131                 * export of code functionality
132                 * and display = none
133                 */
134                $tag = new Tag(self::CODE_TAG, array(), $state, $handler);
135                $tagAttributes = $tag->getParent()->getAttributes();
136                $data[PluginUtility::ATTRIBUTES] = $tagAttributes;
137                return $data;
138
139
140            case DOKU_LEXER_EXIT :
141                /**
142                 * Tag Attributes are passed
143                 * because it's possible to not display a code with the display attributes = none
144                 */
145                $tag = new Tag(self::CODE_TAG, array(), $state, $handler);
146                $tagAttributes = $tag->getOpeningTag()->getAttributes();
147                return array(
148                    PluginUtility::STATE => $state,
149                    PluginUtility::ATTRIBUTES => $tagAttributes
150                );
151
152
153        }
154        return array();
155
156    }
157
158    /**
159     * Render the output
160     * @param string $format
161     * @param Doku_Renderer $renderer
162     * @param array $data - what the function handle() return'ed
163     * @return boolean - rendered correctly? (however, returned value is not used at the moment)
164     * @see DokuWiki_Syntax_Plugin::render()
165     *
166     *
167     */
168    function render($format, Doku_Renderer $renderer, $data)
169    {
170
171
172        if ($format == 'xhtml') {
173
174            /** @var Doku_Renderer_xhtml $renderer */
175            $state = $data [PluginUtility::STATE];
176            switch ($state) {
177                case DOKU_LEXER_ENTER :
178                    $attributes = TagAttributes::createFromCallStackArray($data[PluginUtility::ATTRIBUTES], self::CODE_TAG);
179                    Prism::htmlEnter($renderer, $this, $attributes);
180                    break;
181
182                case DOKU_LEXER_UNMATCHED :
183
184                    $attributes = TagAttributes::createFromCallStackArray($data[PluginUtility::ATTRIBUTES]);
185                    $display = $attributes->getValue("display");
186                    if ($display != "none") {
187                        // Delete the eol at the beginning and end
188                        // otherwise we get a big block
189                        $payload = trim($data[PluginUtility::PAYLOAD], "\n\r");
190                        $renderer->doc .= PluginUtility::htmlEncode($payload);
191                    }
192                    break;
193
194                case DOKU_LEXER_EXIT :
195                    $attributes = TagAttributes::createFromCallStackArray($data[PluginUtility::ATTRIBUTES]);
196                    Prism::htmlExit($renderer, $attributes);
197                    break;
198
199            }
200            return true;
201        } else if ($format == 'code') {
202
203            /**
204             * The renderer to download the code
205             * @var Doku_Renderer_code $renderer
206             */
207            $state = $data [PluginUtility::STATE];
208            if ($state == DOKU_LEXER_UNMATCHED) {
209
210                $attributes = $data[PluginUtility::ATTRIBUTES];
211                $text = $data[PluginUtility::PAYLOAD];
212                $filename = $attributes[self::FILE_PATH_KEY];
213                $language = strtolower($attributes["type"]);
214                $renderer->code($text, $language, $filename);
215
216            }
217        }
218
219        // unsupported $mode
220        return false;
221
222    }
223
224
225}
226
227