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Write extension of parsedown extra and change default parser.

Also automatically download parsedown and parsedownextra to the current directory dynamically instead of including in the parser-parsedown module.
This commit is contained in:
Starbeamrainbowlabs 2016-03-12 15:26:30 +00:00
parent a80a2b677f
commit f509db5785
7 changed files with 384 additions and 2333 deletions

4
.gitignore vendored
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@ -16,6 +16,10 @@ invindex.json
# The recent changes list # The recent changes list
recent-changes.json recent-changes.json
# The automatically downloaded parsedown files
Parsedown.php
ParsedownExtra.php
# All uploaded files # All uploaded files
build/Files/* build/Files/*

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@ -18,6 +18,9 @@ if(file_exists($build_env->target))
echo("*** Rebuilding module index ***\n"); echo("*** Rebuilding module index ***\n");
$modules = glob("modules/*.php"); $modules = glob("modules/*.php");
$module_index = []; $module_index = [];
// Defined just in case a module needs to reference them when we require() them
// to gain information
$env = $paths = new stdClass();
function register_module($settings) function register_module($settings)
{ {

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@ -93,7 +93,7 @@ $settings->maxpagesize = 135000;
// The parser to use when rendering pages. Defaults to a modified version of // The parser to use when rendering pages. Defaults to a modified version of
// slimdown, originally written by Johnny Broadway <johnny@johnnybroadway.com>. // slimdown, originally written by Johnny Broadway <johnny@johnnybroadway.com>.
$settings->parser = "default"; $settings->parser = "parsedown";
// Whether page sources should be cleaned of HTML before rendering. It is // Whether page sources should be cleaned of HTML before rendering. It is
// STRONGLY recommended that you keep this option turned on. // STRONGLY recommended that you keep this option turned on.
@ -3698,170 +3698,200 @@ register_module([
register_module([ register_module([
"name" => "Default Parser", "name" => "Parsedown",
"version" => "0.9", "version" => "0.3",
"author" => "Johnny Broadway & Starbeamrainbowlabs", "author" => "Johnny Broadway, Emanuil Rusev & Starbeamrainbowlabs",
"description" => "The default parser for Pepperminty Wiki. Based on Johnny Broadway's Slimdown (with more than a few modifications). This parser's features are documented in the help page.", "description" => "An upgraded parser based on Emanuil Rusev's Parsedown Extra PHP library (https://github.com/erusev/parsedown-extra), which is licensed MIT. Please be careful, as this module adds a some weight to your installation, and also requires write access to the disk on first load.",
"id" => "parser-default", "id" => "parser-parsedown",
"code" => function() { "code" => function() {
global $settings; $parser = new PeppermintParsedown();
$parser->setInternalLinkBase("?page=%s");
add_parser("default", function($markdown) { add_parser("parsedown", function($source) use ($parser) {
return Slimdown::render($markdown); $result = $parser->text($source);
});
return $result;
// Register the help section });
if($settings->parser != "default") }
return; // Don't register the help section if we aren't the currently set parser. ]);
add_help_section("20-parser-default", "Editor Syntax", "<p>$settings->sitename's editor uses a modified version of slimdown, a flavour of markdown that is implementated using regular expressions. See the credits page for more information and links to the original source for this. A quick reference can be found below:</p>
<table> /*** Parsedown versions ***
<tr><th>Type This</th><th>To get this</th> * Parsedown Core: 1.6.0 *
<tr><td><code>_italics_</code></td><td><em>italics</em></td></tr> * Parsedown Extra: 0.7.0 *
<tr><td><code>*bold*</code></td><td><strong>bold</strong></td></tr> **************************/
<tr><td><code>~~Strikethrough~~</code></td><td><del>Strikethough</del></td></tr> $env->parsedown_paths = new stdClass();
<tr><td><code>`code`</code></td><td><code>code</code></td></tr> $env->parsedown_paths->parsedown = "https://cdn.rawgit.com/erusev/parsedown/3ebbd730b5c2cf5ce78bc1bf64071407fc6674b7/Parsedown.php";
<tr><td><code># Heading</code></td><td><h2>Heading</h2></td></tr> $env->parsedown_paths->parsedown_extra = "https://cdn.rawgit.com/erusev/parsedown-extra/11a44e076d02ffcc4021713398a60cd73f78b6f5/ParsedownExtra.php";
<tr><td><code>## Sub Heading</code></td><td><h3>Sub Heading</h3></td></tr>
<tr><td><code>[[Internal Link]]</code></td><td><a href='index.php?page=Internal Link'>Internal Link</a></td></tr> // Download parsedown and parsedown extra if they don't already exist
<tr><td><code>[[Display Text|Internal Link]]</code></td><td><a href='index.php?page=Internal Link'>Display Text</a></td></tr> if(!file_exists("./Parsedown.php") || filesize("./Parsedown.php") === 0)
<tr><td><code>[Display text](//google.com/)</code></td><td><a href='//google.com/'>Display Text</a></td></tr> file_put_contents("./Parsedown.php", fopen($env->parsedown_paths->parsedown, "r"));
<tr><td><code>&gt; Blockquote<br />&gt; Some text</code></td><td><blockquote> Blockquote<br />Some text</td></tr> if(!file_exists("./ParsedownExtra.php") || filesize("./ParsedownExtra.php") === 0)
<tr><td><code> - Apples<br /> * Oranges</code></td><td><ul><li>Apples</li><li>Oranges</li></ul></td></tr> file_put_contents("./ParsedownExtra.php", fopen($env->parsedown_paths->parsedown_extra, "r"));
<tr><td><code>1. This is<br />2. an ordered list</code></td><td><ol><li>This is</li><li>an ordered list</li></ol></td></tr>
<tr><td><code> require_once("./Parsedown.php");
--- require_once("./ParsedownExtra.php");
</code></td><td><hr /></td></tr>
<!--<tr><tds><code> - One /*
- Two * ██████ █████ ██████ ███████ ███████ ██████ ██████ ██ ██ ███ ██
- Three</code></td><td><ul><li>One</li><li>Two</li><li>Three</li></ul></td></tr>--> * ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██
<tr><td><code>![Alt text](//starbeamrainbowlabs.com/favicon-small.png)</code></td><td><img src='//starbeamrainbowlabs.com/favicon-small.png' alt='Alt text' /></td></code> * ██████ ███████ ██████ ███████ █████ ██ ██ ██ ██ ██ ██ ██ ██ ██
</table> * ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██ ██ ██ ██
* ██ ██ ██ ██ ██ ███████ ███████ ██████ ██████ ███ ███ ██ ████
<p>In addition, the following extra syntax is supported for images:</p> *
* ███████ ██ ██ ████████ ███████ ███ ██ ███████ ██ ██████ ███ ██ ███████
<pre><code>Size the image to at most 250 pixels wide: * ██ ██ ██ ██ ██ ████ ██ ██ ██ ██ ██ ████ ██ ██
![Alt text](//starbeamrainbowlabs.com/favicon-small.png 250px) * █████ ███ ██ █████ ██ ██ ██ ███████ ██ ██ ██ ██ ██ ██ ███████
* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
Size the image to at most 120px wide and have it float at the right ahnd size of the page: * ███████ ██ ██ ██ ███████ ██ ████ ███████ ██ ██████ ██ ████ ███████
![Alt text](//starbeamrainbowlabs.com/favicon-small.png 120px right)</code></pre>"); */
} class PeppermintParsedown extends ParsedownExtra
]); {
private $internalLinkBase = "./%s";
/***********************************************************************
* ███████ ██ ██ ███ ███ ██████ ██████ ██ ██ ███ ██ * function __construct()
* ██ ██ ██ ████ ████ ██ ██ ██ ██ ██ ██ ████ ██ * {
* ███████ ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ * // Prioritise our internal link parsing over the regular link parsing
* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██ ██ ██ ██ * array_unshift($this->InlineTypes["["], "InternalLink");
* ███████ ███████ ██ ██ ██ ██████ ██████ ███ ███ ██ ████ * // Prioritise our image parser over the regular image parser
***********************************************************************/ array_unshift($this->InlineTypes["!"], "ExtendedImage");
/**
* Slimdown - A very basic regex-based Markdown parser. Supports the //$this->inlineMarkerList .= "{";
* following elements (and can be extended via Slimdown::add_rule()): }
*
* - Headers protected function inlineInternalLink($fragment)
* - Links {
* - Bold if(preg_match('/^\[\[(.*)\]\]/', $fragment["text"], $matches))
* - Emphasis {
* - Deletions $display = $linkPage = $matches[1];
* - Quotes if(strpos($matches[1], "|"))
* - Inline code {
* - Blockquotes // We have a bar character
* - Ordered/unordered lists $parts = explode("|", $matches[1], 2);
* - Horizontal rules $linkPage = $parts[0];
* $display = $parts[1];
* Author: Johnny Broadway <johnny@johnnybroadway.com> }
* Website: https://gist.github.com/jbroadway/2836900
* License: MIT // Construct the full url
*/ $linkUrl = str_replace(
"%s", rawurlencode($linkPage),
/** $this->internalLinkBase
* Modified by Starbeamrainbowlabs (starbeamrainbowlabs) );
*
* Changed bold to use single asterisks return [
* Changed italics to use single underscores "extent" => strlen($matches[0]),
* Added one to add the heading levels (no <h1> tags allowed) "element" => [
* Added wiki style internal link parsing "name" => "a",
* Added wiki style internal link parsing with display text "text" => $display,
* Added image support "attributes" => [
*/ "href" => $linkUrl
class Slimdown { ]
public static $rules = array ( ]
'/\r\n/' => "\n", // new line normalisation ];
'/^(#+)(.*)/' => 'self::header', // headers }
'/(\*+)(.*?)\1/' => '<strong>\2</strong>', // bold return;
'/(_)(.*?)\1/' => '<em>\2</em>', // emphasis }
'/!\[(.*)\]\(([^\s]+)\s(\d+.+)\s(left|right)\)/' => '<img src="\2" alt="\1" style="max-width: \3; float: \4;" />', // images with size protected function inlineExtendedImage($fragment)
'/!\[(.*)\]\(([^\s]+)\s(\d+.+)\)/' => '<img src="\2" alt="\1" style="max-width: \3;" />', // images with size {
'/!\[(.*)\]\((.*)\)/' => '<img src="\2" alt="\1" />', // basic images if(preg_match('/^!\[(.*)\]\(([^ |)]+)\s*\|([^|)]*)(?:\|([^)]*))?\)/', $fragment["text"], $matches))
{
'/\[\[([a-zA-Z0-9\_\- ]+)\|([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\2</a>', //internal links with display text /*
'/\[\[([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\1</a>', //internal links * 0 - Everything
'/\[([^\[]+)\]\(([^\)]+)\)/' => '<a href=\'\2\' target=\'_blank\'>\1</a>', // links * 1 - Alt text
'/\~\~(.*?)\~\~/' => '<del>\1</del>', // del * 2 - Url
'/\:\"(.*?)\"\:/' => '<q>\1</q>', // quote * 3 - First param
'/`(.*?)`/' => '<code>\1</code>', // inline code * 4 - Second Param (optional)
'/\n\s*(\*|-)(.*)/' => 'self::ul_list', // ul lists */
'/\n[0-9]+\.(.*)/' => 'self::ol_list', // ol lists
'/\n(&gt;|\>)(.*)/' => 'self::blockquote', // blockquotes var_dump($matches);
'/\n-{3,}/' => "\n<hr />", // horizontal rule
'/\n([^\n]+)\n\n/' => 'self::para', // add paragraphs $altText = $matches[1];
'/<\/ul>\s?<ul>/' => '', // fix extra ul $imageUrl = $matches[2];
'/<\/ol>\s?<ol>/' => '', // fix extra ol $param1 = strtolower(trim($matches[3]));
'/<\/blockquote><blockquote>/' => "\n" // fix extra blockquote $param2 = empty($matches[4]) ? false : strtolower(trim($matches[4]));
); $floatDirection = false;
private static function para ($regs) { $imageSize = false;
$line = $regs[1];
$trimmed = trim ($line); if($this->isFloatValue($param1))
if (preg_match ('/^<\/?(ul|ol|li|h|p|bl)/', $trimmed)) { {
return "\n" . $line . "\n"; $floatDirection = $param1;
} $imageSize = $this->parseSizeSpec($param2);
return sprintf ("\n<p>%s</p>\n", $trimmed); }
} else if($this->isFloatValue($param2))
private static function ul_list ($regs) { {
$item = $regs[2]; $floatDirection = $param2;
return sprintf ("\n<ul>\n\t<li>%s</li>\n</ul>", trim($item)); $imageSize = $this->parseSizeSpec($param1);
} }
private static function ol_list ($regs) { else
$item = $regs[1]; {
return sprintf ("\n<ol>\n\t<li>%s</li>\n</ol>", trim($item)); $imageSize = $this->parseSizeSpec($param1);
} }
private static function blockquote ($regs) {
$item = $regs[2]; // If they are both invalid then something very strange is going on
return sprintf ("\n<blockquote>%s</blockquote>", trim($item)); // Let the built in parsedown image handler deal with it
} if($imageSize === false && $floatDirection === false)
private static function header ($regs) { return;
list ($tmp, $chars, $header) = $regs;
$level = strlen ($chars); $style = "";
return sprintf ('<h%d>%s</h%d>', $level + 1, trim($header), $level + 1); if($imageSize !== false)
} $style .= " max-width: " . $imageSize["x"] . "; max-height: " . $imageSize["y"] . ";";
if($floatDirection)
/** $style .= " float: $floatDirection;";
* Add a rule.
*/ return [
public static function add_rule ($regex, $replacement) { "extent" => strlen($matches[0]),
self::$rules[$regex] = $replacement; "element" => [
} "name" => "img",
/** "attributes" => [
* Render some Markdown into HTML. "src" => $imageUrl,
*/ "alt" => $altText,
public static function render ($text) { "style" => trim($style)
foreach (self::$rules as $regex => $replacement) { ]
if (is_callable ( $replacement)) { ]
$text = preg_replace_callback ($regex, $replacement, $text); ];
} else { }
$text = preg_replace ($regex, $replacement, $text); }
}
} private function isFloatValue($value)
return trim ($text); {
} return in_array(strtolower($value), [ "left", "right" ]);
} }
////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////// private function parseSizeSpec($text)
{
if(strpos($text, "x") === false)
return false;
$parts = explode("x", $text, 2);
if(count($parts) != 2)
return false;
array_map("trim", $parts);
array_map("intval", $parts);
if(in_array(0, $parts))
return false;
return [
"x" => $parts[0],
"y" => $parts[1]
];
}
/**
* Sets the base url to be used for internal links. '%s' will be replaced
* with a URL encoded version of the page name.
* @param string $url The url to use when parsing internal links.
*/
public function setInternalLinkBase($url)
{
$this->internalLinkBase = $url;
}
}
// %next_module% // // %next_module% //

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@ -180,21 +180,21 @@
"optional": false "optional": false
}, },
{ {
"name": "Default Parser", "name": "Old Default Parser",
"version": "0.9", "version": "0.9",
"author": "Johnny Broadway & Starbeamrainbowlabs", "author": "Johnny Broadway & Starbeamrainbowlabs",
"description": "The default parser for Pepperminty Wiki. Based on Johnny Broadway's Slimdown (with more than a few modifications). This parser's features are documented in the help page.", "description": "The *old* default parser for Pepperminty Wiki. Based on Johnny Broadway's Slimdown (with more than a few modifications). This parser's features are documented in the help page. Superceded by a customised extension of parsedown extra.",
"id": "parser-default", "id": "parser-default-old",
"lastupdate": 1451134309, "lastupdate": false,
"optional": false "optional": true
}, },
{ {
"name": "Parsedown", "name": "Parsedown",
"version": "0.1", "version": "0.3",
"author": "Johnny Broadway, Emanuil Rusev & Starbeamrainbowlabs", "author": "Johnny Broadway, Emanuil Rusev & Starbeamrainbowlabs",
"description": "An upgraded parser based on Emanuil Rusev's Parsedown Extra PHP library (https:\/\/github.com\/erusev\/parsedown-extra), which is licensed MIT. Also uses a modified Slimdown engine by Johnny Broadway in order to add support for internal links etc. Please be careful, as this module adds a _ton_ of weight to your installation.", "description": "An upgraded parser based on Emanuil Rusev's Parsedown Extra PHP library (https:\/\/github.com\/erusev\/parsedown-extra), which is licensed MIT. Please be careful, as this module adds a some weight to your installation, and also requires write access to the disk on first load.",
"id": "parser-parsedown", "id": "parser-parsedown",
"lastupdate": 1451134485, "lastupdate": 1457796170,
"optional": true "optional": false
} }
] ]

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@ -1,10 +1,11 @@
<?php <?php
register_module([ register_module([
"name" => "Default Parser", "name" => "Old Default Parser",
"version" => "0.9", "version" => "0.9",
"author" => "Johnny Broadway & Starbeamrainbowlabs", "author" => "Johnny Broadway & Starbeamrainbowlabs",
"description" => "The default parser for Pepperminty Wiki. Based on Johnny Broadway's Slimdown (with more than a few modifications). This parser's features are documented in the help page.", "description" => "The *old* default parser for Pepperminty Wiki. Based on Johnny Broadway's Slimdown (with more than a few modifications). This parser's features are documented in the help page. Superceded by a customised extension of parsedown extra.",
"id" => "parser-default", "id" => "parser-default-old",
"optional" => true,
"code" => function() { "code" => function() {
global $settings; global $settings;

File diff suppressed because it is too large Load diff

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@ -90,7 +90,7 @@ $settings->maxpagesize = 135000;
// The parser to use when rendering pages. Defaults to a modified version of // The parser to use when rendering pages. Defaults to a modified version of
// slimdown, originally written by Johnny Broadway <johnny@johnnybroadway.com>. // slimdown, originally written by Johnny Broadway <johnny@johnnybroadway.com>.
$settings->parser = "default"; $settings->parser = "parsedown";
// Whether page sources should be cleaned of HTML before rendering. It is // Whether page sources should be cleaned of HTML before rendering. It is
// STRONGLY recommended that you keep this option turned on. // STRONGLY recommended that you keep this option turned on.