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PhabricatorMarkupEngine.php
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Mon, Oct 14, 02:25

PhabricatorMarkupEngine.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class PhabricatorMarkupEngine {
public static function extractPHIDsFromMentions(array $content_blocks) {
$mentions = array();
$engine = self::newDifferentialMarkupEngine();
foreach ($content_blocks as $content_block) {
$engine->markupText($content_block);
$phids = $engine->getTextMetadata(
PhabricatorRemarkupRuleMention::KEY_MENTIONED,
array());
$mentions += $phids;
}
return $mentions;
}
public static function newManiphestMarkupEngine() {
return self::newMarkupEngine(array(
));
}
public static function newPhrictionMarkupEngine() {
return self::newMarkupEngine(array(
// Disable image macros on the wiki since they're less useful, we don't
// cache documents, and the module is prohibitively expensive for large
// documents.
'macros' => false,
'header.generate-toc' => true,
));
}
public static function newDifferentialMarkupEngine(array $options = array()) {
return self::newMarkupEngine(array(
'custom-inline' => PhabricatorEnv::getEnvConfig(
'differential.custom-remarkup-rules'),
'custom-block' => PhabricatorEnv::getEnvConfig(
'differential.custom-remarkup-block-rules'),
'differential.diff' => idx($options, 'differential.diff'),
));
}
public static function newProfileMarkupEngine() {
return self::newMarkupEngine(array(
));
}
public static function newSlowvoteMarkupEngine() {
return self::newMarkupEngine(array(
));
}
private static function getMarkupEngineDefaultConfiguration() {
return array(
'pygments' => PhabricatorEnv::getEnvConfig('pygments.enabled'),
'fileproxy' => PhabricatorEnv::getEnvConfig('files.enable-proxy'),
'youtube' => PhabricatorEnv::getEnvConfig(
'remarkup.enable-embedded-youtube'),
'custom-inline' => array(),
'custom-block' => array(),
'differential.diff' => null,
'header.generate-toc' => false,
'macros' => true,
'uri.allowed-protocols' => PhabricatorEnv::getEnvConfig(
'uri.allowed-protocols'),
);
}
private static function newMarkupEngine(array $options) {
$options += self::getMarkupEngineDefaultConfiguration();
$engine = new PhutilRemarkupEngine();
$engine->setConfig('preserve-linebreaks', true);
$engine->setConfig('pygments.enabled', $options['pygments']);
$engine->setConfig(
'uri.allowed-protocols',
$options['uri.allowed-protocols']);
$engine->setConfig('differential.diff', $options['differential.diff']);
$engine->setConfig('header.generate-toc', $options['header.generate-toc']);
$rules = array();
$rules[] = new PhutilRemarkupRuleEscapeRemarkup();
$custom_rule_classes = $options['custom-inline'];
if ($custom_rule_classes) {
foreach ($custom_rule_classes as $custom_rule_class) {
PhutilSymbolLoader::loadClass($custom_rule_class);
$rules[] = newv($custom_rule_class, array());
}
}
if ($options['fileproxy']) {
$rules[] = new PhabricatorRemarkupRuleProxyImage();
}
if ($options['youtube']) {
$rules[] = new PhabricatorRemarkupRuleYoutube();
}
$rules[] = new PhabricatorRemarkupRulePhriction();
$rules[] = new PhutilRemarkupRuleHyperlink();
$rules[] = new PhabricatorRemarkupRuleDifferentialHandle();
$rules[] = new PhabricatorRemarkupRuleManiphestHandle();
$rules[] = new PhabricatorRemarkupRuleEmbedFile();
$rules[] = new PhabricatorRemarkupRuleDifferential();
$rules[] = new PhabricatorRemarkupRuleDiffusion();
$rules[] = new PhabricatorRemarkupRuleManiphest();
$rules[] = new PhabricatorRemarkupRulePaste();
if ($options['macros']) {
$rules[] = new PhabricatorRemarkupRuleImageMacro();
}
$rules[] = new PhabricatorRemarkupRuleMention();
$rules[] = new PhutilRemarkupRuleEscapeHTML();
$rules[] = new PhutilRemarkupRuleMonospace();
$rules[] = new PhutilRemarkupRuleBold();
$rules[] = new PhutilRemarkupRuleItalic();
$blocks = array();
$blocks[] = new PhutilRemarkupEngineRemarkupQuotesBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupLiteralBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupHeaderBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupListBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupCodeBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupNoteBlockRule();
$blocks[] = new PhutilRemarkupEngineRemarkupDefaultBlockRule();
$custom_block_rule_classes = $options['custom-block'];
if ($custom_block_rule_classes) {
foreach ($custom_block_rule_classes as $custom_block_rule_class) {
PhutilSymbolLoader::loadClass($custom_block_rule_class);
$blocks[] = newv($custom_block_rule_class, array());
}
}
foreach ($blocks as $block) {
if ($block instanceof PhutilRemarkupEngineRemarkupLiteralBlockRule) {
$literal_rules = array();
$literal_rules[] = new PhutilRemarkupRuleHyperlink();
$literal_rules[] = new PhutilRemarkupRuleEscapeHTML();
$literal_rules[] = new PhutilRemarkupRuleLinebreaks();
$block->setMarkupRules($literal_rules);
} else if (
!($block instanceof PhutilRemarkupEngineRemarkupCodeBlockRule)) {
$block->setMarkupRules($rules);
}
}
$engine->setBlockRules($blocks);
return $engine;
}
}

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