` blocks.
- * @param string $text
- * @return string
- */
- protected function doCodeBlocks($text) {
- $text = preg_replace_callback('{
- (?:\n\n|\A\n?)
- ( # $1 = the code block -- one or more lines, starting with a space/tab
- (?>
- [ ]{'.$this->tab_width.'} # Lines must start with a tab or a tab-width of spaces
- .*\n+
- )+
- )
- ((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc
- }xm',
- array($this, '_doCodeBlocks_callback'), $text);
-
- return $text;
- }
-
- /**
- * Code block parsing callback
- * @param array $matches
- * @return string
- */
- protected function _doCodeBlocks_callback($matches) {
- $codeblock = $matches[1];
-
- $codeblock = $this->outdent($codeblock);
- if (is_callable($this->code_block_content_func)) {
- $codeblock = call_user_func($this->code_block_content_func, $codeblock, "");
- } else {
- $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
- }
-
- # trim leading newlines and trailing newlines
- $codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
-
- $codeblock = "$codeblock\n
";
- return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
- }
-
- /**
- * Create a code span markup for $code. Called from handleSpanToken.
- * @param string $code
- * @return string
- */
- protected function makeCodeSpan($code) {
- if (is_callable($this->code_span_content_func)) {
- $code = call_user_func($this->code_span_content_func, $code);
- } else {
- $code = htmlspecialchars(trim($code), ENT_NOQUOTES);
- }
- return $this->hashPart("$code");
- }
-
- /**
- * Define the emphasis operators with their regex matches
- * @var array
- */
- protected $em_relist = array(
- '' => '(?:(? '(? '(? '(?:(? '(? '(? '(?:(? '(? '(?em_relist as $em => $em_re) {
- foreach ($this->strong_relist as $strong => $strong_re) {
- // Construct list of allowed token expressions.
- $token_relist = array();
- if (isset($this->em_strong_relist["$em$strong"])) {
- $token_relist[] = $this->em_strong_relist["$em$strong"];
- }
- $token_relist[] = $em_re;
- $token_relist[] = $strong_re;
-
- // Construct master expression from list.
- $token_re = '{(' . implode('|', $token_relist) . ')}';
- $this->em_strong_prepared_relist["$em$strong"] = $token_re;
- }
- }
- }
-
- /**
- * Convert Markdown italics (emphasis) and bold (strong) to HTML
- * @param string $text
- * @return string
- */
- protected function doItalicsAndBold($text) {
- if ($this->in_emphasis_processing) {
- return $text; // avoid reentrency
- }
- $this->in_emphasis_processing = true;
-
- $token_stack = array('');
- $text_stack = array('');
- $em = '';
- $strong = '';
- $tree_char_em = false;
-
- while (1) {
- // Get prepared regular expression for seraching emphasis tokens
- // in current context.
- $token_re = $this->em_strong_prepared_relist["$em$strong"];
-
- // Each loop iteration search for the next emphasis token.
- // Each token is then passed to handleSpanToken.
- $parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
- $text_stack[0] .= $parts[0];
- $token =& $parts[1];
- $text =& $parts[2];
-
- if (empty($token)) {
- // Reached end of text span: empty stack without emitting.
- // any more emphasis.
- while ($token_stack[0]) {
- $text_stack[1] .= array_shift($token_stack);
- $text_stack[0] .= array_shift($text_stack);
- }
- break;
- }
-
- $token_len = strlen($token);
- if ($tree_char_em) {
- // Reached closing marker while inside a three-char emphasis.
- if ($token_len == 3) {
- // Three-char closing marker, close em and strong.
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "$span";
- $text_stack[0] .= $this->hashPart($span);
- $em = '';
- $strong = '';
- } else {
- // Other closing marker: close one em or strong and
- // change current token state to match the other
- $token_stack[0] = str_repeat($token[0], 3-$token_len);
- $tag = $token_len == 2 ? "strong" : "em";
- $span = $text_stack[0];
- $span = $this->runSpanGamut($span);
- $span = "<$tag>$span";
- $text_stack[0] = $this->hashPart($span);
- $$tag = ''; // $$tag stands for $em or $strong
- }
- $tree_char_em = false;
- } else if ($token_len == 3) {
- if ($em) {
- // Reached closing marker for both em and strong.
- // Closing strong marker:
- for ($i = 0; $i < 2; ++$i) {
- $shifted_token = array_shift($token_stack);
- $tag = strlen($shifted_token) == 2 ? "strong" : "em";
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "<$tag>$span";
- $text_stack[0] .= $this->hashPart($span);
- $$tag = ''; // $$tag stands for $em or $strong
- }
- } else {
- // Reached opening three-char emphasis marker. Push on token
- // stack; will be handled by the special condition above.
- $em = $token[0];
- $strong = "$em$em";
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $tree_char_em = true;
- }
- } else if ($token_len == 2) {
- if ($strong) {
- // Unwind any dangling emphasis marker:
- if (strlen($token_stack[0]) == 1) {
- $text_stack[1] .= array_shift($token_stack);
- $text_stack[0] .= array_shift($text_stack);
- $em = '';
- }
- // Closing strong marker:
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "$span";
- $text_stack[0] .= $this->hashPart($span);
- $strong = '';
- } else {
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $strong = $token;
- }
- } else {
- // Here $token_len == 1
- if ($em) {
- if (strlen($token_stack[0]) == 1) {
- // Closing emphasis marker:
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "$span";
- $text_stack[0] .= $this->hashPart($span);
- $em = '';
- } else {
- $text_stack[0] .= $token;
- }
- } else {
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $em = $token;
- }
- }
- }
- $this->in_emphasis_processing = false;
- return $text_stack[0];
- }
-
- /**
- * Parse Markdown blockquotes to HTML
- * @param string $text
- * @return string
- */
- protected function doBlockQuotes($text) {
- $text = preg_replace_callback('/
- ( # Wrap whole match in $1
- (?>
- ^[ ]*>[ ]? # ">" at the start of a line
- .+\n # rest of the first line
- (.+\n)* # subsequent consecutive lines
- \n* # blanks
- )+
- )
- /xm',
- array($this, '_doBlockQuotes_callback'), $text);
-
- return $text;
- }
-
- /**
- * Blockquote parsing callback
- * @param array $matches
- * @return string
- */
- protected function _doBlockQuotes_callback($matches) {
- $bq = $matches[1];
- // trim one level of quoting - trim whitespace-only lines
- $bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
- $bq = $this->runBlockGamut($bq); // recurse
-
- $bq = preg_replace('/^/m', " ", $bq);
- // These leading spaces cause problem with content,
- // so we need to fix that:
- $bq = preg_replace_callback('{(\s*.+?
)}sx',
- array($this, '_doBlockQuotes_callback2'), $bq);
-
- return "\n" . $this->hashBlock("\n$bq\n
") . "\n\n";
- }
-
- /**
- * Blockquote parsing callback
- * @param array $matches
- * @return string
- */
- protected function _doBlockQuotes_callback2($matches) {
- $pre = $matches[1];
- $pre = preg_replace('/^ /m', '', $pre);
- return $pre;
- }
-
- /**
- * Parse paragraphs
- *
- * @param string $text String to process in paragraphs
- * @param boolean $wrap_in_p Whether paragraphs should be wrapped in tags
- * @return string
- */
- protected function formParagraphs($text, $wrap_in_p = true) {
- // Strip leading and trailing lines:
- $text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
- $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
- // Wrap
tags and unhashify HTML blocks
- foreach ($grafs as $key => $value) {
- if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
- // Is a paragraph.
- $value = $this->runSpanGamut($value);
- if ($wrap_in_p) {
- $value = preg_replace('/^([ ]*)/', "
", $value);
- $value .= "
";
- }
- $grafs[$key] = $this->unhash($value);
- } else {
- // Is a block.
- // Modify elements of @grafs in-place...
- $graf = $value;
- $block = $this->html_hashes[$graf];
- $graf = $block;
-// if (preg_match('{
-// \A
-// ( # $1 = tag
-// ]*
-// \b
-// markdown\s*=\s* ([\'"]) # $2 = attr quote char
-// 1
-// \2
-// [^>]*
-// >
-// )
-// ( # $3 = contents
-// .*
-// )
-// () # $4 = closing tag
-// \z
-// }xs', $block, $matches))
-// {
-// list(, $div_open, , $div_content, $div_close) = $matches;
-//
-// // We can't call Markdown(), because that resets the hash;
-// // that initialization code should be pulled into its own sub, though.
-// $div_content = $this->hashHTMLBlocks($div_content);
-//
-// // Run document gamut methods on the content.
-// foreach ($this->document_gamut as $method => $priority) {
-// $div_content = $this->$method($div_content);
-// }
-//
-// $div_open = preg_replace(
-// '{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
-//
-// $graf = $div_open . "\n" . $div_content . "\n" . $div_close;
-// }
- $grafs[$key] = $graf;
- }
- }
-
- return implode("\n\n", $grafs);
- }
-
- /**
- * Encode text for a double-quoted HTML attribute. This function
- * is *not* suitable for attributes enclosed in single quotes.
- * @param string $text
- * @return string
- */
- protected function encodeAttribute($text) {
- $text = $this->encodeAmpsAndAngles($text);
- $text = str_replace('"', '"', $text);
- return $text;
- }
-
- /**
- * Encode text for a double-quoted HTML attribute containing a URL,
- * applying the URL filter if set. Also generates the textual
- * representation for the URL (removing mailto: or tel:) storing it in $text.
- * This function is *not* suitable for attributes enclosed in single quotes.
- *
- * @param string $url
- * @param string $text Passed by reference
- * @return string URL
- */
- protected function encodeURLAttribute($url, &$text = null) {
- if (is_callable($this->url_filter_func)) {
- $url = call_user_func($this->url_filter_func, $url);
- }
-
- if (preg_match('{^mailto:}i', $url)) {
- $url = $this->encodeEntityObfuscatedAttribute($url, $text, 7);
- } else if (preg_match('{^tel:}i', $url)) {
- $url = $this->encodeAttribute($url);
- $text = substr($url, 4);
- } else {
- $url = $this->encodeAttribute($url);
- $text = $url;
- }
-
- return $url;
- }
-
- /**
- * Smart processing for ampersands and angle brackets that need to
- * be encoded. Valid character entities are left alone unless the
- * no-entities mode is set.
- * @param string $text
- * @return string
- */
- protected function encodeAmpsAndAngles($text) {
- if ($this->no_entities) {
- $text = str_replace('&', '&', $text);
- } else {
- // Ampersand-encoding based entirely on Nat Irons's Amputator
- // MT plugin:
- $text = preg_replace_callback('{
- <
- (?:mailto:)?
- (
- (?:
- [-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
- |
- ".*?"
- )
- \@
- (?:
- [-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
- |
- \[[\d.a-fA-F:]+\] # IPv4 & IPv6
- )
- )
- >
- }xi',
- array($this, '_doAutoLinks_email_callback'), $text);
-
- return $text;
- }
-
- /**
- * Parse URL callback
- * @param array $matches
- * @return string
- */
- protected function _doAutoLinks_url_callback($matches) {
- $url = $this->encodeURLAttribute($matches[1], $text);
- $link = "$text";
- return $this->hashPart($link);
- }
-
- /**
- * Parse email address callback
- * @param array $matches
- * @return string
- */
- protected function _doAutoLinks_email_callback($matches) {
- $addr = $matches[1];
- $url = $this->encodeURLAttribute("mailto:$addr", $text);
- $link = "$text";
- return $this->hashPart($link);
- }
-
- /**
- * Input: some text to obfuscate, e.g. "mailto:foo@example.com"
- *
- * Output: the same text but with most characters encoded as either a
- * decimal or hex entity, in the hopes of foiling most address
- * harvesting spam bots. E.g.:
- *
- * mailto:foo
- * @example.co
- * m
- *
- * Note: the additional output $tail is assigned the same value as the
- * ouput, minus the number of characters specified by $head_length.
- *
- * Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
- * With some optimizations by Milian Wolff. Forced encoding of HTML
- * attribute special characters by Allan Odgaard.
- *
- * @param string $text
- * @param string $tail Passed by reference
- * @param integer $head_length
- * @return string
- */
- protected function encodeEntityObfuscatedAttribute($text, &$tail = null, $head_length = 0) {
- if ($text == "") {
- return $tail = "";
- }
-
- $chars = preg_split('/(? $char) {
- $ord = ord($char);
- // Ignore non-ascii chars.
- if ($ord < 128) {
- $r = ($seed * (1 + $key)) % 100; // Pseudo-random function.
- // roughly 10% raw, 45% hex, 45% dec
- // '@' *must* be encoded. I insist.
- // '"' and '>' have to be encoded inside the attribute
- if ($r > 90 && strpos('@"&>', $char) === false) {
- /* do nothing */
- } else if ($r < 45) {
- $chars[$key] = '&#x'.dechex($ord).';';
- } else {
- $chars[$key] = '&#'.$ord.';';
- }
- }
- }
-
- $text = implode('', $chars);
- $tail = $head_length ? implode('', array_slice($chars, $head_length)) : $text;
-
- return $text;
- }
-
- /**
- * Take the string $str and parse it into tokens, hashing embeded HTML,
- * escaped characters and handling code spans.
- * @param string $str
- * @return string
- */
- protected function parseSpan($str) {
- $output = '';
-
- $span_re = '{
- (
- \\\\'.$this->escape_chars_re.'
- |
- (?no_markup ? '' : '
- |
- # comment
- |
- <\?.*?\?> | <%.*?%> # processing instruction
- |
- <[!$]?[-a-zA-Z0-9:_]+ # regular tags
- (?>
- \s
- (?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
- )?
- >
- |
- <[-a-zA-Z0-9:_]+\s*/> # xml-style empty tag
- |
- # closing tag
- ').'
- )
- }xs';
-
- while (1) {
- // Each loop iteration seach for either the next tag, the next
- // openning code span marker, or the next escaped character.
- // Each token is then passed to handleSpanToken.
- $parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
-
- // Create token from text preceding tag.
- if ($parts[0] != "") {
- $output .= $parts[0];
- }
-
- // Check if we reach the end.
- if (isset($parts[1])) {
- $output .= $this->handleSpanToken($parts[1], $parts[2]);
- $str = $parts[2];
- } else {
- break;
- }
- }
-
- return $output;
- }
-
- /**
- * Handle $token provided by parseSpan by determining its nature and
- * returning the corresponding value that should replace it.
- * @param string $token
- * @param string $str Passed by reference
- * @return string
- */
- protected function handleSpanToken($token, &$str) {
- switch ($token[0]) {
- case "\\":
- return $this->hashPart("&#". ord($token[1]). ";");
- case "`":
- // Search for end marker in remaining text.
- if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm',
- $str, $matches))
- {
- $str = $matches[2];
- $codespan = $this->makeCodeSpan($matches[1]);
- return $this->hashPart($codespan);
- }
- return $token; // Return as text since no ending marker found.
- default:
- return $this->hashPart($token);
- }
- }
-
- /**
- * Remove one level of line-leading tabs or spaces
- * @param string $text
- * @return string
- */
- protected function outdent($text) {
- return preg_replace('/^(\t|[ ]{1,' . $this->tab_width . '})/m', '', $text);
- }
-
-
- /**
- * String length function for detab. `_initDetab` will create a function to
- * handle UTF-8 if the default function does not exist.
- * can be a string or function
- */
- protected $utf8_strlen = 'mb_strlen';
-
- /**
- * Replace tabs with the appropriate amount of spaces.
- *
- * For each line we separate the line in blocks delemited by tab characters.
- * Then we reconstruct every line by adding the appropriate number of space
- * between each blocks.
- *
- * @param string $text
- * @return string
- */
- protected function detab($text) {
- $text = preg_replace_callback('/^.*\t.*$/m',
- array($this, '_detab_callback'), $text);
-
- return $text;
- }
-
- /**
- * Replace tabs callback
- * @param string $matches
- * @return string
- */
- protected function _detab_callback($matches) {
- $line = $matches[0];
- $strlen = $this->utf8_strlen; // strlen function for UTF-8.
-
- // Split in blocks.
- $blocks = explode("\t", $line);
- // Add each blocks to the line.
- $line = $blocks[0];
- unset($blocks[0]); // Do not add first block twice.
- foreach ($blocks as $block) {
- // Calculate amount of space, insert spaces, insert block.
- $amount = $this->tab_width -
- $strlen($line, 'UTF-8') % $this->tab_width;
- $line .= str_repeat(" ", $amount) . $block;
- }
- return $line;
- }
-
- /**
- * Check for the availability of the function in the `utf8_strlen` property
- * (initially `mb_strlen`). If the function is not available, create a
- * function that will loosely count the number of UTF-8 characters with a
- * regular expression.
- * @return void
- */
- protected function _initDetab() {
-
- if (function_exists($this->utf8_strlen)) {
- return;
- }
-
- //$this->utf8_strlen = fn($text) => preg_match_all('/[\x00-\xBF]|[\xC0-\xFF][\x80-\xBF]*/', $text, $m);
- }
-
- /**
- * Swap back in all the tags hashed by _HashHTMLBlocks.
- * @param string $text
- * @return string
- */
- protected function unhash($text) {
- return preg_replace_callback('/(.)\x1A[0-9]+\1/',
- array($this, '_unhash_callback'), $text);
- }
-
- /**
- * Unhashing callback
- * @param array $matches
- * @return string
- */
- protected function _unhash_callback($matches) {
- return $this->html_hashes[$matches[0]];
- }
-}
diff --git a/lib/michelf/Michelf/MarkdownExtra.inc.php b/lib/michelf/Michelf/MarkdownExtra.inc.php
deleted file mode 100644
index d09bd7a480..0000000000
--- a/lib/michelf/Michelf/MarkdownExtra.inc.php
+++ /dev/null
@@ -1,11 +0,0 @@
-
- * @copyright 2004-2019 Michel Fortin s around
- * "paragraphs" that are wrapped in non-block-level tags, such as anchors,
- * phrase emphasis, and spans. The list of tags we're looking for is
- * hard-coded.
- *
- * This works by calling _HashHTMLBlocks_InMarkdown, which then calls
- * _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1"
- * attribute is found within a tag, _HashHTMLBlocks_InHTML calls back
- * _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
- * These two functions are calling each other. It's recursive!
- * @param string $text
- * @return string
- */
- protected function hashHTMLBlocks($text) {
- if ($this->no_markup) {
- return $text;
- }
-
- // Call the HTML-in-Markdown hasher.
- list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
-
- return $text;
- }
-
- /**
- * Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
- *
- * * $indent is the number of space to be ignored when checking for code
- * blocks. This is important because if we don't take the indent into
- * account, something like this (which looks right) won't work as expected:
- *
- *
- *
- * Hello World. <-- Is this a Markdown code block or text?
- * <-- Is this a Markdown code block or a real tag?
- *
- *
- * If you don't like this, just don't indent the tag on which
- * you apply the markdown="1" attribute.
- *
- * * If $enclosing_tag_re is not empty, stops at the first unmatched closing
- * tag with that name. Nested tags supported.
- *
- * * If $span is true, text inside must treated as span. So any double
- * newline will be replaced by a single newline so that it does not create
- * paragraphs.
- *
- * Returns an array of that form: ( processed text , remaining text )
- *
- * @param string $text
- * @param integer $indent
- * @param string $enclosing_tag_re
- * @param boolean $span
- * @return array
- */
- protected function _hashHTMLBlocks_inMarkdown($text, $indent = 0,
- $enclosing_tag_re = '', $span = false)
- {
-
- if ($text === '') return array('', '');
-
- // Regex to check for the presense of newlines around a block tag.
- $newline_before_re = '/(?:^\n?|\n\n)*$/';
- $newline_after_re =
- '{
- ^ # Start of text following the tag.
- (?>[ ]*)? # Optional comment.
- [ ]*\n # Must be followed by newline.
- }xs';
-
- // Regex to match any tag.
- $block_tag_re =
- '{
- ( # $2: Capture whole tag.
- # Tag name.
- ' . $this->block_tags_re . ' |
- ' . $this->context_block_tags_re . ' |
- ' . $this->clean_tags_re . ' |
- (?!\s)'.$enclosing_tag_re . '
- )
- (?:
- (?=[\s"\'/a-zA-Z0-9]) # Allowed characters after tag name.
- (?>
- ".*?" | # Double quotes (can contain `>`)
- \'.*?\' | # Single quotes (can contain `>`)
- .+? # Anything but quotes and `>`.
- )*?
- )?
- > # End of tag.
- |
- # HTML Comment
- |
- <\?.*?\?> | <%.*?%> # Processing instruction
- |
- # CData Block
- ' . ( !$span ? ' # If not in span.
- |
- # Indented code block
- (?: ^[ ]*\n | ^ | \n[ ]*\n )
- [ ]{' . ($indent + 4) . '}[^\n]* \n
- (?>
- (?: [ ]{' . ($indent + 4) . '}[^\n]* | [ ]* ) \n
- )*
- |
- # Fenced code block marker
- (?<= ^ | \n )
- [ ]{0,' . ($indent + 3) . '}(?:~{3,}|`{3,})
- [ ]*
- (?: \.?[-_:a-zA-Z0-9]+ )? # standalone class name
- [ ]*
- (?: ' . $this->id_class_attr_nocatch_re . ' )? # extra attributes
- [ ]*
- (?= \n )
- ' : '' ) . ' # End (if not is span).
- |
- # Code span marker
- # Note, this regex needs to go after backtick fenced
- # code blocks but it should also be kept outside of the
- # "if not in span" condition adding backticks to the parser
- `+
- )
- }xs';
-
-
- $depth = 0; // Current depth inside the tag tree.
- $parsed = ""; // Parsed text that will be returned.
-
- // Loop through every tag until we find the closing tag of the parent
- // or loop until reaching the end of text if no parent tag specified.
- do {
- // Split the text using the first $tag_match pattern found.
- // Text before pattern will be first in the array, text after
- // pattern will be at the end, and between will be any catches made
- // by the pattern.
- $parts = preg_split($block_tag_re, $text, 2,
- PREG_SPLIT_DELIM_CAPTURE);
-
- // If in Markdown span mode, add a empty-string span-level hash
- // after each newline to prevent triggering any block element.
- if ($span) {
- $void = $this->hashPart("", ':');
- $newline = "\n$void";
- $parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
- }
-
- $parsed .= $parts[0]; // Text before current tag.
-
- // If end of $text has been reached. Stop loop.
- if (count($parts) < 3) {
- $text = "";
- break;
- }
-
- $tag = $parts[1]; // Tag to handle.
- $text = $parts[2]; // Remaining text after current tag.
-
- // Check for: Fenced code block marker.
- // Note: need to recheck the whole tag to disambiguate backtick
- // fences from code spans
- if (preg_match('{^\n?([ ]{0,' . ($indent + 3) . '})(~{3,}|`{3,})[ ]*(?:\.?[-_:a-zA-Z0-9]+)?[ ]*(?:' . $this->id_class_attr_nocatch_re . ')?[ ]*\n?$}', $tag, $capture)) {
- // Fenced code block marker: find matching end marker.
- $fence_indent = strlen($capture[1]); // use captured indent in re
- $fence_re = $capture[2]; // use captured fence in re
- if (preg_match('{^(?>.*\n)*?[ ]{' . ($fence_indent) . '}' . $fence_re . '[ ]*(?:\n|$)}', $text,
- $matches))
- {
- // End marker found: pass text unchanged until marker.
- $parsed .= $tag . $matches[0];
- $text = substr($text, strlen($matches[0]));
- }
- else {
- // No end marker: just skip it.
- $parsed .= $tag;
- }
- }
- // Check for: Indented code block.
- else if ($tag[0] === "\n" || $tag[0] === " ") {
- // Indented code block: pass it unchanged, will be handled
- // later.
- $parsed .= $tag;
- }
- // Check for: Code span marker
- // Note: need to check this after backtick fenced code blocks
- else if ($tag[0] === "`") {
- // Find corresponding end marker.
- $tag_re = preg_quote($tag);
- if (preg_match('{^(?>.+?|\n(?!\n))*?(?block_tags_re . ')\b}', $tag) ||
- ( preg_match('{^<(?:' . $this->context_block_tags_re . ')\b}', $tag) &&
- preg_match($newline_before_re, $parsed) &&
- preg_match($newline_after_re, $text) )
- )
- {
- // Need to parse tag and following text using the HTML parser.
- list($block_text, $text) =
- $this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
-
- // Make sure it stays outside of any paragraph by adding newlines.
- $parsed .= "\n\n$block_text\n\n";
- }
- // Check for: Clean tag (like script, math)
- // HTML Comments, processing instructions.
- else if (preg_match('{^<(?:' . $this->clean_tags_re . ')\b}', $tag) ||
- $tag[1] === '!' || $tag[1] === '?')
- {
- // Need to parse tag and following text using the HTML parser.
- // (don't check for markdown attribute)
- list($block_text, $text) =
- $this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
-
- $parsed .= $block_text;
- }
- // Check for: Tag with same name as enclosing tag.
- else if ($enclosing_tag_re !== '' &&
- // Same name as enclosing tag.
- preg_match('{^= 0);
-
- return array($parsed, $text);
- }
-
- /**
- * Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
- *
- * * Calls $hash_method to convert any blocks.
- * * Stops when the first opening tag closes.
- * * $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
- * (it is not inside clean tags)
- *
- * Returns an array of that form: ( processed text , remaining text )
- * @param string $text
- * @param string $hash_method
- * @param bool $md_attr Handle `markdown="1"` attribute
- * @return array
- */
- protected function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
- if ($text === '') return array('', '');
-
- // Regex to match `markdown` attribute inside of a tag.
- $markdown_attr_re = '
- {
- \s* # Eat whitespace before the `markdown` attribute
- markdown
- \s*=\s*
- (?>
- (["\']) # $1: quote delimiter
- (.*?) # $2: attribute value
- \1 # matching delimiter
- |
- ([^\s>]*) # $3: unquoted attribute value
- )
- () # $4: make $3 always defined (avoid warnings)
- }xs';
-
- // Regex to match any tag.
- $tag_re = '{
- ( # $2: Capture whole tag.
-
- ".*?" | # Double quotes (can contain `>`)
- \'.*?\' | # Single quotes (can contain `>`)
- .+? # Anything but quotes and `>`.
- )*?
- )?
- > # End of tag.
- |
- # HTML Comment
- |
- <\?.*?\?> | <%.*?%> # Processing instruction
- |
- # CData Block
- )
- }xs';
-
- $original_text = $text; // Save original text in case of faliure.
-
- $depth = 0; // Current depth inside the tag tree.
- $block_text = ""; // Temporary text holder for current text.
- $parsed = ""; // Parsed text that will be returned.
- $base_tag_name_re = '';
-
- // Get the name of the starting tag.
- // (This pattern makes $base_tag_name_re safe without quoting.)
- if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
- $base_tag_name_re = $matches[1];
-
- // Loop through every tag until we find the corresponding closing tag.
- do {
- // Split the text using the first $tag_match pattern found.
- // Text before pattern will be first in the array, text after
- // pattern will be at the end, and between will be any catches made
- // by the pattern.
- $parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-
- if (count($parts) < 3) {
- // End of $text reached with unbalenced tag(s).
- // In that case, we return original text unchanged and pass the
- // first character as filtered to prevent an infinite loop in the
- // parent function.
- return array($original_text[0], substr($original_text, 1));
- }
-
- $block_text .= $parts[0]; // Text before current tag.
- $tag = $parts[1]; // Tag to handle.
- $text = $parts[2]; // Remaining text after current tag.
-
- // Check for: Auto-close tag (like
)
- // Comments and Processing Instructions.
- if (preg_match('{^auto_close_tags_re . ')\b}', $tag) ||
- $tag[1] === '!' || $tag[1] === '?')
- {
- // Just add the tag to the block as if it was text.
- $block_text .= $tag;
- }
- else {
- // Increase/decrease nested tag count. Only do so if
- // the tag's name match base tag's.
- if (preg_match('{^contain_span_tags_re . ')\b}', $tag));
-
- // Calculate indent before tag.
- if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
- $strlen = $this->utf8_strlen;
- $indent = $strlen($matches[1], 'UTF-8');
- } else {
- $indent = 0;
- }
-
- // End preceding block with this tag.
- $block_text .= $tag;
- $parsed .= $this->$hash_method($block_text);
-
- // Get enclosing tag name for the ParseMarkdown function.
- // (This pattern makes $tag_name_re safe without quoting.)
- preg_match('/^<([\w:$]*)\b/', $tag, $matches);
- $tag_name_re = $matches[1];
-
- // Parse the content using the HTML-in-Markdown parser.
- list ($block_text, $text)
- = $this->_hashHTMLBlocks_inMarkdown($text, $indent,
- $tag_name_re, $span_mode);
-
- // Outdent markdown text.
- if ($indent > 0) {
- $block_text = preg_replace("/^[ ]{1,$indent}/m", "",
- $block_text);
- }
-
- // Append tag content to parsed text.
- if (!$span_mode) {
- $parsed .= "\n\n$block_text\n\n";
- } else {
- $parsed .= (string) $block_text;
- }
-
- // Start over with a new block.
- $block_text = "";
- }
- else $block_text .= $tag;
- }
-
- } while ($depth > 0);
-
- // Hash last block text that wasn't processed inside the loop.
- $parsed .= $this->$hash_method($block_text);
-
- return array($parsed, $text);
- }
-
- /**
- * Called whenever a tag must be hashed when a function inserts a "clean" tag
- * in $text, it passes through this function and is automaticaly escaped,
- * blocking invalid nested overlap.
- * @param string $text
- * @return string
- */
- protected function hashClean($text) {
- return $this->hashPart($text, 'C');
- }
-
- /**
- * Turn Markdown link shortcuts into XHTML tags.
- * @param string $text
- * @return string
- */
- protected function doAnchors($text) {
- if ($this->in_anchor) {
- return $text;
- }
- $this->in_anchor = true;
-
- // First, handle reference-style links: [link text] [id]
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- (' . $this->nested_brackets_re . ') # link text = $2
- \]
-
- [ ]? # one optional space
- (?:\n[ ]*)? # one optional newline followed by spaces
-
- \[
- (.*?) # id = $3
- \]
- )
- }xs',
- array($this, '_doAnchors_reference_callback'), $text);
-
- // Next, inline-style links: [link text](url "optional title")
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- (' . $this->nested_brackets_re . ') # link text = $2
- \]
- \( # literal paren
- [ \n]*
- (?:
- <(.+?)> # href = $3
- |
- (' . $this->nested_url_parenthesis_re . ') # href = $4
- )
- [ \n]*
- ( # $5
- ([\'"]) # quote char = $6
- (.*?) # Title = $7
- \6 # matching quote
- [ \n]* # ignore any spaces/tabs between closing quote and )
- )? # title is optional
- \)
- (?:[ ]? ' . $this->id_class_attr_catch_re . ' )? # $8 = id/class attributes
- )
- }xs',
- array($this, '_doAnchors_inline_callback'), $text);
-
- // Last, handle reference-style shortcuts: [link text]
- // These must come last in case you've also got [link text][1]
- // or [link text](/foo)
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- ([^\[\]]+) # link text = $2; can\'t contain [ or ]
- \]
- )
- }xs',
- array($this, '_doAnchors_reference_callback'), $text);
-
- $this->in_anchor = false;
- return $text;
- }
-
- /**
- * Callback for reference anchors
- * @param array $matches
- * @return string
- */
- protected function _doAnchors_reference_callback($matches) {
- $whole_match = $matches[1];
- $link_text = $matches[2];
- $link_id =& $matches[3];
-
- if ($link_id == "") {
- // for shortcut links like [this][] or [this].
- $link_id = $link_text;
- }
-
- // lower-case and turn embedded newlines into spaces
- $link_id = strtolower($link_id);
- $link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
-
- if (isset($this->urls[$link_id])) {
- $url = $this->urls[$link_id];
- $url = $this->encodeURLAttribute($url);
-
- $result = "titles[$link_id] ) ) {
- $title = $this->titles[$link_id];
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
- if (isset($this->ref_attr[$link_id]))
- $result .= $this->ref_attr[$link_id];
-
- $link_text = $this->runSpanGamut($link_text);
- $result .= ">$link_text";
- $result = $this->hashPart($result);
- }
- else {
- $result = $whole_match;
- }
- return $result;
- }
-
- /**
- * Callback for inline anchors
- * @param array $matches
- * @return string
- */
- protected function _doAnchors_inline_callback($matches) {
- $link_text = $this->runSpanGamut($matches[2]);
- $url = $matches[3] === '' ? $matches[4] : $matches[3];
- $title_quote =& $matches[6];
- $title =& $matches[7];
- $attr = $this->doExtraAttributes("a", $dummy =& $matches[8]);
-
- // if the URL was of the form it got caught by the HTML
- // tag parser and hashed. Need to reverse the process before using the URL.
- $unhashed = $this->unhash($url);
- if ($unhashed !== $url)
- $url = preg_replace('/^<(.*)>$/', '\1', $unhashed);
-
- $url = $this->encodeURLAttribute($url);
-
- $result = "encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
- $result .= $attr;
-
- $link_text = $this->runSpanGamut($link_text);
- $result .= ">$link_text";
-
- return $this->hashPart($result);
- }
-
- /**
- * Turn Markdown image shortcuts into ![]()
tags.
- * @param string $text
- * @return string
- */
- protected function doImages($text) {
- // First, handle reference-style labeled images: ![alt text][id]
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- !\[
- (' . $this->nested_brackets_re . ') # alt text = $2
- \]
-
- [ ]? # one optional space
- (?:\n[ ]*)? # one optional newline followed by spaces
-
- \[
- (.*?) # id = $3
- \]
-
- )
- }xs',
- array($this, '_doImages_reference_callback'), $text);
-
- // Next, handle inline images: 
- // Don't forget: encode * and _
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- !\[
- (' . $this->nested_brackets_re . ') # alt text = $2
- \]
- \s? # One optional whitespace character
- \( # literal paren
- [ \n]*
- (?:
- <(\S*)> # src url = $3
- |
- (' . $this->nested_url_parenthesis_re . ') # src url = $4
- )
- [ \n]*
- ( # $5
- ([\'"]) # quote char = $6
- (.*?) # title = $7
- \6 # matching quote
- [ \n]*
- )? # title is optional
- \)
- (?:[ ]? ' . $this->id_class_attr_catch_re . ' )? # $8 = id/class attributes
- )
- }xs',
- array($this, '_doImages_inline_callback'), $text);
-
- return $text;
- }
-
- /**
- * Callback for referenced images
- * @param array $matches
- * @return string
- */
- protected function _doImages_reference_callback($matches) {
- $whole_match = $matches[1];
- $alt_text = $matches[2];
- $link_id = strtolower($matches[3]);
-
- if ($link_id === "") {
- $link_id = strtolower($alt_text); // for shortcut links like ![this][].
- }
-
- $alt_text = $this->encodeAttribute($alt_text);
- if (isset($this->urls[$link_id])) {
- $url = $this->encodeURLAttribute($this->urls[$link_id]);
- $result = "![\"$alt_text\"";](\"$url\")
titles[$link_id])) {
- $title = $this->titles[$link_id];
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
- if (isset($this->ref_attr[$link_id])) {
- $result .= $this->ref_attr[$link_id];
- }
- $result .= $this->empty_element_suffix;
- $result = $this->hashPart($result);
- }
- else {
- // If there's no such link ID, leave intact:
- $result = $whole_match;
- }
-
- return $result;
- }
-
- /**
- * Callback for inline images
- * @param array $matches
- * @return string
- */
- protected function _doImages_inline_callback($matches) {
- $alt_text = $matches[2];
- $url = $matches[3] === '' ? $matches[4] : $matches[3];
- $title_quote =& $matches[6];
- $title =& $matches[7];
- $attr = $this->doExtraAttributes("img", $dummy =& $matches[8]);
-
- $alt_text = $this->encodeAttribute($alt_text);
- $url = $this->encodeURLAttribute($url);
- $result = "encodeAttribute($title);
- $result .= " title=\"$title\""; // $title already quoted
- }
- $result .= $attr;
- $result .= $this->empty_element_suffix;
-
- return $this->hashPart($result);
- }
-
- /**
- * Process markdown headers. Redefined to add ID and class attribute support.
- * @param string $text
- * @return string
- */
- protected function doHeaders($text) {
- // Setext-style headers:
- // Header 1 {#header1}
- // ========
- //
- // Header 2 {#header2 .class1 .class2}
- // --------
- //
- $text = preg_replace_callback(
- '{
- (^.+?) # $1: Header text
- (?:[ ]+ ' . $this->id_class_attr_catch_re . ' )? # $3 = id/class attributes
- [ ]*\n(=+|-+)[ ]*\n+ # $3: Header footer
- }mx',
- array($this, '_doHeaders_callback_setext'), $text);
-
- // atx-style headers:
- // # Header 1 {#header1}
- // ## Header 2 {#header2}
- // ## Header 2 with closing hashes ## {#header3.class1.class2}
- // ...
- // ###### Header 6 {.class2}
- //
- $text = preg_replace_callback('{
- ^(\#{1,6}) # $1 = string of #\'s
- [ ]'.($this->hashtag_protection ? '+' : '*').'
- (.+?) # $2 = Header text
- [ ]*
- \#* # optional closing #\'s (not counted)
- (?:[ ]+ ' . $this->id_class_attr_catch_re . ' )? # $3 = id/class attributes
- [ ]*
- \n+
- }xm',
- array($this, '_doHeaders_callback_atx'), $text);
-
- return $text;
- }
-
- /**
- * Callback for setext headers
- * @param array $matches
- * @return string
- */
- protected function _doHeaders_callback_setext($matches) {
- if ($matches[3] === '-' && preg_match('{^- }', $matches[1])) {
- return $matches[0];
- }
-
- $level = $matches[3][0] === '=' ? 1 : 2;
-
- $defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[1]) : null;
-
- $attr = $this->doExtraAttributes("h$level", $dummy =& $matches[2], $defaultId);
- $block = "" . $this->runSpanGamut($matches[1]) . "";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
-
- /**
- * Callback for atx headers
- * @param array $matches
- * @return string
- */
- protected function _doHeaders_callback_atx($matches) {
- $level = strlen($matches[1]);
-
- $defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[2]) : null;
- $attr = $this->doExtraAttributes("h$level", $dummy =& $matches[3], $defaultId);
- $block = "" . $this->runSpanGamut($matches[2]) . "";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
-
- /**
- * Form HTML tables.
- * @param string $text
- * @return string
- */
- protected function doTables($text) {
- $less_than_tab = $this->tab_width - 1;
- // Find tables with leading pipe.
- //
- // | Header 1 | Header 2
- // | -------- | --------
- // | Cell 1 | Cell 2
- // | Cell 3 | Cell 4
- $text = preg_replace_callback('
- {
- ^ # Start of a line
- [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
- [|] # Optional leading pipe (present)
- (.+) \n # $1: Header row (at least one pipe)
-
- [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
- [|] ([ ]*[-:]+[-| :]*) \n # $2: Header underline
-
- ( # $3: Cells
- (?>
- [ ]* # Allowed whitespace.
- [|] .* \n # Row content.
- )*
- )
- (?=\n|\Z) # Stop at final double newline.
- }xm',
- array($this, '_doTable_leadingPipe_callback'), $text);
-
- // Find tables without leading pipe.
- //
- // Header 1 | Header 2
- // -------- | --------
- // Cell 1 | Cell 2
- // Cell 3 | Cell 4
- $text = preg_replace_callback('
- {
- ^ # Start of a line
- [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
- (\S.*[|].*) \n # $1: Header row (at least one pipe)
-
- [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
- ([-:]+[ ]*[|][-| :]*) \n # $2: Header underline
-
- ( # $3: Cells
- (?>
- .* [|] .* \n # Row content
- )*
- )
- (?=\n|\Z) # Stop at final double newline.
- }xm',
- array($this, '_DoTable_callback'), $text);
-
- return $text;
- }
-
- /**
- * Callback for removing the leading pipe for each row
- * @param array $matches
- * @return string
- */
- protected function _doTable_leadingPipe_callback($matches) {
- $head = $matches[1];
- $underline = $matches[2];
- $content = $matches[3];
-
- $content = preg_replace('/^ *[|]/m', '', $content);
-
- return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
- }
-
- /**
- * Make the align attribute in a table
- * @param string $alignname
- * @return string
- */
- protected function _doTable_makeAlignAttr($alignname) {
- if (empty($this->table_align_class_tmpl)) {
- return " align=\"$alignname\"";
- }
-
- $classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
- return " class=\"$classname\"";
- }
-
- /**
- * Calback for processing tables
- * @param array $matches
- * @return string
- */
- protected function _doTable_callback($matches) {
- $head = $matches[1];
- $underline = $matches[2];
- $content = $matches[3];
- $attr = [];
-
- // Remove any tailing pipes for each line.
- $head = preg_replace('/[|] *$/m', '', $head);
- $underline = preg_replace('/[|] *$/m', '', $underline);
- $content = preg_replace('/[|] *$/m', '', $content);
-
- // Reading alignement from header underline.
- $separators = preg_split('/ *[|] */', $underline);
- foreach ($separators as $n => $s) {
- if (preg_match('/^ *-+: *$/', $s))
- $attr[$n] = $this->_doTable_makeAlignAttr('right');
- else if (preg_match('/^ *:-+: *$/', $s))
- $attr[$n] = $this->_doTable_makeAlignAttr('center');
- else if (preg_match('/^ *:-+ *$/', $s))
- $attr[$n] = $this->_doTable_makeAlignAttr('left');
- else
- $attr[$n] = '';
- }
-
- // Parsing span elements, including code spans, character escapes,
- // and inline HTML tags, so that pipes inside those gets ignored.
- $head = $this->parseSpan($head);
- $headers = preg_split('/ *[|] */', $head);
- $col_count = count($headers);
- $attr = array_pad($attr, $col_count, '');
-
- // Write column headers.
- $text = "\n";
- $text .= "\n";
- $text .= "\n";
- foreach ($headers as $n => $header) {
- $text .= " " . $this->runSpanGamut(trim($header)) . "\n";
- }
- $text .= " \n";
- $text .= "\n";
-
- // Split content by row.
- $rows = explode("\n", trim($content, "\n"));
-
- $text .= "\n";
- foreach ($rows as $row) {
- // Parsing span elements, including code spans, character escapes,
- // and inline HTML tags, so that pipes inside those gets ignored.
- $row = $this->parseSpan($row);
-
- // Split row by cell.
- $row_cells = preg_split('/ *[|] */', $row, $col_count);
- $row_cells = array_pad($row_cells, $col_count, '');
-
- $text .= "\n";
- foreach ($row_cells as $n => $cell) {
- $text .= " " . $this->runSpanGamut(trim($cell)) . "\n";
- }
- $text .= " \n";
- }
- $text .= "\n";
- $text .= "
";
-
- return $this->hashBlock($text) . "\n";
- }
-
- /**
- * Form HTML definition lists.
- * @param string $text
- * @return string
- */
- protected function doDefLists($text) {
- $less_than_tab = $this->tab_width - 1;
-
- // Re-usable pattern to match any entire dl list:
- $whole_list_re = '(?>
- ( # $1 = whole list
- ( # $2
- [ ]{0,' . $less_than_tab . '}
- ((?>.*\S.*\n)+) # $3 = defined term
- \n?
- [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
- )
- (?s:.+?)
- ( # $4
- \z
- |
- \n{2,}
- (?=\S)
- (?! # Negative lookahead for another term
- [ ]{0,' . $less_than_tab . '}
- (?: \S.*\n )+? # defined term
- \n?
- [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
- )
- (?! # Negative lookahead for another definition
- [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
- )
- )
- )
- )'; // mx
-
- $text = preg_replace_callback('{
- (?>\A\n?|(?<=\n\n))
- ' . $whole_list_re . '
- }mx',
- array($this, '_doDefLists_callback'), $text);
-
- return $text;
- }
-
- /**
- * Callback for processing definition lists
- * @param array $matches
- * @return string
- */
- protected function _doDefLists_callback($matches) {
- // Re-usable patterns to match list item bullets and number markers:
- $list = $matches[1];
-
- // Turn double returns into triple returns, so that we can make a
- // paragraph for the last item in a list, if necessary:
- $result = trim($this->processDefListItems($list));
- $result = "\n" . $result . "\n
";
- return $this->hashBlock($result) . "\n\n";
- }
-
- /**
- * Process the contents of a single definition list, splitting it
- * into individual term and definition list items.
- * @param string $list_str
- * @return string
- */
- protected function processDefListItems($list_str) {
-
- $less_than_tab = $this->tab_width - 1;
-
- // Trim trailing blank lines:
- $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
- // Process definition terms.
- $list_str = preg_replace_callback('{
- (?>\A\n?|\n\n+) # leading line
- ( # definition terms = $1
- [ ]{0,' . $less_than_tab . '} # leading whitespace
- (?!\:[ ]|[ ]) # negative lookahead for a definition
- # mark (colon) or more whitespace.
- (?> \S.* \n)+? # actual term (not whitespace).
- )
- (?=\n?[ ]{0,3}:[ ]) # lookahead for following line feed
- # with a definition mark.
- }xm',
- array($this, '_processDefListItems_callback_dt'), $list_str);
-
- // Process actual definitions.
- $list_str = preg_replace_callback('{
- \n(\n+)? # leading line = $1
- ( # marker space = $2
- [ ]{0,' . $less_than_tab . '} # whitespace before colon
- \:[ ]+ # definition mark (colon)
- )
- ((?s:.+?)) # definition text = $3
- (?= \n+ # stop at next definition mark,
- (?: # next term or end of text
- [ ]{0,' . $less_than_tab . '} \:[ ] |
- | \z
- )
- )
- }xm',
- array($this, '_processDefListItems_callback_dd'), $list_str);
-
- return $list_str;
- }
-
- /**
- * Callback for elements in definition lists
- * @param array $matches
- * @return string
- */
- protected function _processDefListItems_callback_dt($matches) {
- $terms = explode("\n", trim($matches[1]));
- $text = '';
- foreach ($terms as $term) {
- $term = $this->runSpanGamut(trim($term));
- $text .= "\n" . $term . " ";
- }
- return $text . "\n";
- }
-
- /**
- * Callback for elements in definition lists
- * @param array $matches
- * @return string
- */
- protected function _processDefListItems_callback_dd($matches) {
- $leading_line = $matches[1];
- $marker_space = $matches[2];
- $def = $matches[3];
-
- if ($leading_line || preg_match('/\n{2,}/', $def)) {
- // Replace marker with the appropriate whitespace indentation
- $def = str_repeat(' ', strlen($marker_space)) . $def;
- $def = $this->runBlockGamut($this->outdent($def . "\n\n"));
- $def = "\n". $def ."\n";
- }
- else {
- $def = rtrim($def);
- $def = $this->runSpanGamut($this->outdent($def));
- }
-
- return "\n" . $def . " \n";
- }
-
- /**
- * Adding the fenced code block syntax to regular Markdown:
- *
- * ~~~
- * Code block
- * ~~~
- *
- * @param string $text
- * @return string
- */
- protected function doFencedCodeBlocks($text) {
-
- $text = preg_replace_callback('{
- (?:\n|\A)
- # 1: Opening marker
- (
- (?:~{3,}|`{3,}) # 3 or more tildes/backticks.
- )
- [ ]*
- (?:
- \.?([-_:a-zA-Z0-9]+) # 2: standalone class name
- )?
- [ ]*
- (?:
- ' . $this->id_class_attr_catch_re . ' # 3: Extra attributes
- )?
- [ ]* \n # Whitespace and newline following marker.
-
- # 4: Content
- (
- (?>
- (?!\1 [ ]* \n) # Not a closing marker.
- .*\n+
- )+
- )
-
- # Closing marker.
- \1 [ ]* (?= \n )
- }xm',
- array($this, '_doFencedCodeBlocks_callback'), $text);
-
- return $text;
- }
-
- /**
- * Callback to process fenced code blocks
- * @param array $matches
- * @return string
- */
- protected function _doFencedCodeBlocks_callback($matches) {
- $classname =& $matches[2];
- $attrs =& $matches[3];
- $codeblock = $matches[4];
-
- if ($this->code_block_content_func) {
- $codeblock = call_user_func($this->code_block_content_func, $codeblock, $classname);
- } else {
- $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
- }
-
- $codeblock = preg_replace_callback('/^\n+/',
- array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
-
- $classes = array();
- if ($classname !== "") {
- if ($classname[0] === '.') {
- $classname = substr($classname, 1);
- }
- $classes[] = $this->code_class_prefix . $classname;
- }
- $attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs, null, $classes);
- $pre_attr_str = $this->code_attr_on_pre ? $attr_str : '';
- $code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
- $codeblock = "$codeblock";
-
- return "\n\n".$this->hashBlock($codeblock)."\n\n";
- }
-
- /**
- * Replace new lines in fenced code blocks
- * @param array $matches
- * @return string
- */
- protected function _doFencedCodeBlocks_newlines($matches) {
- return str_repeat("empty_element_suffix",
- strlen($matches[0]));
- }
-
- /**
- * Redefining emphasis markers so that emphasis by underscore does not
- * work in the middle of a word.
- * @var array
- */
- protected $em_relist = array(
- '' => '(?:(? '(? '(? '(?:(? '(? '(? '(?:(? '(? '(? tags
- * @return string HTML output
- */
- protected function formParagraphs($text, $wrap_in_p = true) {
- // Strip leading and trailing lines:
- $text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
- $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
- // Wrap tags and unhashify HTML blocks
- foreach ($grafs as $key => $value) {
- $value = trim($this->runSpanGamut($value));
-
- // Check if this should be enclosed in a paragraph.
- // Clean tag hashes & block tag hashes are left alone.
- $is_p = $wrap_in_p && !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
-
- if ($is_p) {
- $value = "
$value
";
- }
- $grafs[$key] = $value;
- }
-
- // Join grafs in one text, then unhash HTML tags.
- $text = implode("\n\n", $grafs);
-
- // Finish by removing any tag hashes still present in $text.
- $text = $this->unhash($text);
-
- return $text;
- }
-
-
- /**
- * Footnotes - Strips link definitions from text, stores the URLs and
- * titles in hash references.
- * @param string $text
- * @return string
- */
- protected function stripFootnotes($text) {
- $less_than_tab = $this->tab_width - 1;
-
- // Link defs are in the form: [^id]: url "optional title"
- $text = preg_replace_callback('{
- ^[ ]{0,' . $less_than_tab . '}\[\^(.+?)\][ ]?: # note_id = $1
- [ ]*
- \n? # maybe *one* newline
- ( # text = $2 (no blank lines allowed)
- (?:
- .+ # actual text
- |
- \n # newlines but
- (?!\[.+?\][ ]?:\s)# negative lookahead for footnote or link definition marker.
- (?!\n+[ ]{0,3}\S)# ensure line is not blank and followed
- # by non-indented content
- )*
- )
- }xm',
- array($this, '_stripFootnotes_callback'),
- $text);
- return $text;
- }
-
- /**
- * Callback for stripping footnotes
- * @param array $matches
- * @return string
- */
- protected function _stripFootnotes_callback($matches) {
- $note_id = $this->fn_id_prefix . $matches[1];
- $this->footnotes[$note_id] = $this->outdent($matches[2]);
- return ''; // String that will replace the block
- }
-
- /**
- * Replace footnote references in $text [^id] with a special text-token
- * which will be replaced by the actual footnote marker in appendFootnotes.
- * @param string $text
- * @return string
- */
- protected function doFootnotes($text) {
- if (!$this->in_anchor) {
- $text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
- }
- return $text;
- }
-
- /**
- * Append footnote list to text
- * @param string $text
- * @return string
- */
- protected function appendFootnotes($text) {
- $text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
- array($this, '_appendFootnotes_callback'), $text);
-
- if ( ! empty( $this->footnotes_ordered ) ) {
- $this->_doFootnotes();
- if ( ! $this->omit_footnotes ) {
- $text .= "\n\n";
- $text .= "\n";
- $text .= "empty_element_suffix . "\n";
- $text .= $this->footnotes_assembled;
- $text .= " ";
- }
- }
- return $text;
- }
-
-
- /**
- * Generates the HTML for footnotes. Called by appendFootnotes, even if
- * footnotes are not being appended.
- * @return void
- */
- protected function _doFootnotes() {
- $attr = array();
- if ($this->fn_backlink_class !== "") {
- $class = $this->fn_backlink_class;
- $class = $this->encodeAttribute($class);
- $attr['class'] = " class=\"$class\"";
- }
- $attr['role'] = " role=\"doc-backlink\"";
- $num = 0;
-
- $text = "\n\n";
- while (!empty($this->footnotes_ordered)) {
- $footnote = reset($this->footnotes_ordered);
- $note_id = key($this->footnotes_ordered);
- unset($this->footnotes_ordered[$note_id]);
- $ref_count = $this->footnotes_ref_count[$note_id];
- unset($this->footnotes_ref_count[$note_id]);
- unset($this->footnotes[$note_id]);
-
- $footnote .= "\n"; // Need to append newline before parsing.
- $footnote = $this->runBlockGamut("$footnote\n");
- $footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
- array($this, '_appendFootnotes_callback'), $footnote);
-
- $num++;
- $note_id = $this->encodeAttribute($note_id);
-
- // Prepare backlink, multiple backlinks if multiple references
- // Do not create empty backlinks if the html is blank
- $backlink = "";
- if (!empty($this->fn_backlink_html)) {
- for ($ref_num = 1; $ref_num <= $ref_count; ++$ref_num) {
- if (!empty($this->fn_backlink_title)) {
- $attr['title'] = ' title="' . $this->encodeAttribute($this->fn_backlink_title) . '"';
- }
- if (!empty($this->fn_backlink_label)) {
- $attr['label'] = ' aria-label="' . $this->encodeAttribute($this->fn_backlink_label) . '"';
- }
- $parsed_attr = $this->parseFootnotePlaceholders(
- implode('', $attr),
- $num,
- $ref_num
- );
- $backlink_text = $this->parseFootnotePlaceholders(
- $this->fn_backlink_html,
- $num,
- $ref_num
- );
- $ref_count_mark = $ref_num > 1 ? $ref_num : '';
- $backlink .= " $backlink_text";
- }
- $backlink = trim($backlink);
- }
-
- // Add backlink to last paragraph; create new paragraph if needed.
- if (!empty($backlink)) {
- if (preg_match('{$}', $footnote)) {
- $footnote = substr($footnote, 0, -4) . " $backlink";
- } else {
- $footnote .= "\n\n$backlink
";
- }
- }
-
- $text .= "- \n";
- $text .= $footnote . "\n";
- $text .= "
\n\n";
- }
- $text .= "
\n";
-
- $this->footnotes_assembled = $text;
- }
-
- /**
- * Callback for appending footnotes
- * @param array $matches
- * @return string
- */
- protected function _appendFootnotes_callback($matches) {
- $node_id = $this->fn_id_prefix . $matches[1];
-
- // Create footnote marker only if it has a corresponding footnote *and*
- // the footnote hasn't been used by another marker.
- if (isset($this->footnotes[$node_id])) {
- $num =& $this->footnotes_numbers[$node_id];
- if (!isset($num)) {
- // Transfer footnote content to the ordered list and give it its
- // number
- $this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
- $this->footnotes_ref_count[$node_id] = 1;
- $num = $this->footnote_counter++;
- $ref_count_mark = '';
- } else {
- $ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
- }
-
- $attr = "";
- if ($this->fn_link_class !== "") {
- $class = $this->fn_link_class;
- $class = $this->encodeAttribute($class);
- $attr .= " class=\"$class\"";
- }
- if ($this->fn_link_title !== "") {
- $title = $this->fn_link_title;
- $title = $this->encodeAttribute($title);
- $attr .= " title=\"$title\"";
- }
- $attr .= " role=\"doc-noteref\"";
-
- $attr = str_replace("%%", $num, $attr);
- $node_id = $this->encodeAttribute($node_id);
-
- return
- "".
- "$num".
- "";
- }
-
- return "[^" . $matches[1] . "]";
- }
-
- /**
- * Build footnote label by evaluating any placeholders.
- * - ^^ footnote number
- * - %% footnote reference number (Nth reference to footnote number)
- * @param string $label
- * @param int $footnote_number
- * @param int $reference_number
- * @return string
- */
- protected function parseFootnotePlaceholders($label, $footnote_number, $reference_number) {
- return str_replace(
- array('^^', '%%'),
- array($footnote_number, $reference_number),
- $label
- );
- }
-
-
- /**
- * Abbreviations - strips abbreviations from text, stores titles in hash
- * references.
- * @param string $text
- * @return string
- */
- protected function stripAbbreviations($text) {
- $less_than_tab = $this->tab_width - 1;
-
- // Link defs are in the form: [id]*: url "optional title"
- $text = preg_replace_callback('{
- ^[ ]{0,' . $less_than_tab . '}\*\[(.+?)\][ ]?: # abbr_id = $1
- (.*) # text = $2 (no blank lines allowed)
- }xm',
- array($this, '_stripAbbreviations_callback'),
- $text);
- return $text;
- }
-
- /**
- * Callback for stripping abbreviations
- * @param array $matches
- * @return string
- */
- protected function _stripAbbreviations_callback($matches) {
- $abbr_word = $matches[1];
- $abbr_desc = $matches[2];
- if ($this->abbr_word_re) {
- $this->abbr_word_re .= '|';
- }
- $this->abbr_word_re .= preg_quote($abbr_word);
- $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
- return ''; // String that will replace the block
- }
-
- /**
- * Find defined abbreviations in text and wrap them in elements.
- * @param string $text
- * @return string
- */
- protected function doAbbreviations($text) {
- if ($this->abbr_word_re) {
- // cannot use the /x modifier because abbr_word_re may
- // contain significant spaces:
- $text = preg_replace_callback('{' .
- '(?abbr_word_re . ')' .
- '(?![\w\x1A])' .
- '}',
- array($this, '_doAbbreviations_callback'), $text);
- }
- return $text;
- }
-
- /**
- * Callback for processing abbreviations
- * @param array $matches
- * @return string
- */
- protected function _doAbbreviations_callback($matches) {
- $abbr = $matches[0];
- if (isset($this->abbr_desciptions[$abbr])) {
- $desc = $this->abbr_desciptions[$abbr];
- if (empty($desc)) {
- return $this->hashPart("$abbr");
- }
- $desc = $this->encodeAttribute($desc);
- return $this->hashPart("$abbr");
- }
- return $matches[0];
- }
-}
diff --git a/lib/michelf/Michelf/MarkdownInterface.inc.php b/lib/michelf/Michelf/MarkdownInterface.inc.php
deleted file mode 100644
index c4e9ac7f64..0000000000
--- a/lib/michelf/Michelf/MarkdownInterface.inc.php
+++ /dev/null
@@ -1,9 +0,0 @@
-
- * @copyright 2004-2021 Michel Fortin \s+/', '', $markup);
+
+ # add footnotes
+
+ if (isset($this->DefinitionData['Footnote']))
+ {
+ $Element = $this->buildFootnoteElement();
+
+ $markup .= "\n" . $this->element($Element);
+ }
+
+ return $markup;
+ }
+
+ #
+ # Blocks
+ #
+
+ #
+ # Abbreviation
+
+ protected function blockAbbreviation($Line)
+ {
+ if (preg_match('/^\*\[(.+?)\]:[ ]*(.+?)[ ]*$/', $Line['text'], $matches))
+ {
+ $this->DefinitionData['Abbreviation'][$matches[1]] = $matches[2];
+
+ $Block = array(
+ 'hidden' => true,
+ );
+
+ return $Block;
+ }
+ }
+
+ #
+ # Footnote
+
+ protected function blockFootnote($Line)
+ {
+ if (preg_match('/^\[\^(.+?)\]:[ ]?(.*)$/', $Line['text'], $matches))
+ {
+ $Block = array(
+ 'label' => $matches[1],
+ 'text' => $matches[2],
+ 'hidden' => true,
+ );
+
+ return $Block;
+ }
+ }
+
+ protected function blockFootnoteContinue($Line, $Block)
+ {
+ if ($Line['text'][0] === '[' and preg_match('/^\[\^(.+?)\]:/', $Line['text']))
+ {
+ return;
+ }
+
+ if (isset($Block['interrupted']))
+ {
+ if ($Line['indent'] >= 4)
+ {
+ $Block['text'] .= "\n\n" . $Line['text'];
+
+ return $Block;
+ }
+ }
+ else
+ {
+ $Block['text'] .= "\n" . $Line['text'];
+
+ return $Block;
+ }
+ }
+
+ protected function blockFootnoteComplete($Block)
+ {
+ $this->DefinitionData['Footnote'][$Block['label']] = array(
+ 'text' => $Block['text'],
+ 'count' => null,
+ 'number' => null,
+ );
+
+ return $Block;
+ }
+
+ #
+ # Definition List
+
+ protected function blockDefinitionList($Line, $Block)
+ {
+ if ( ! isset($Block) or $Block['type'] !== 'Paragraph')
+ {
+ return;
+ }
+
+ $Element = array(
+ 'name' => 'dl',
+ 'elements' => array(),
+ );
+
+ $terms = explode("\n", $Block['element']['handler']['argument']);
+
+ foreach ($terms as $term)
+ {
+ $Element['elements'] []= array(
+ 'name' => 'dt',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $term,
+ 'destination' => 'elements'
+ ),
+ );
+ }
+
+ $Block['element'] = $Element;
+
+ $Block = $this->addDdElement($Line, $Block);
+
+ return $Block;
+ }
+
+ protected function blockDefinitionListContinue($Line, array $Block)
+ {
+ if ($Line['text'][0] === ':')
+ {
+ $Block = $this->addDdElement($Line, $Block);
+
+ return $Block;
+ }
+ else
+ {
+ if (isset($Block['interrupted']) and $Line['indent'] === 0)
+ {
+ return;
+ }
+
+ if (isset($Block['interrupted']))
+ {
+ $Block['dd']['handler']['function'] = 'textElements';
+ $Block['dd']['handler']['argument'] .= "\n\n";
+
+ $Block['dd']['handler']['destination'] = 'elements';
+
+ unset($Block['interrupted']);
+ }
+
+ $text = substr($Line['body'], min($Line['indent'], 4));
+
+ $Block['dd']['handler']['argument'] .= "\n" . $text;
+
+ return $Block;
+ }
+ }
+
+ #
+ # Header
+
+ protected function blockHeader($Line)
+ {
+ $Block = parent::blockHeader($Line);
+
+ if ($Block !== null && preg_match('/[ #]*{('.$this->regexAttribute.'+)}[ ]*$/', $Block['element']['handler']['argument'], $matches, PREG_OFFSET_CAPTURE))
+ {
+ $attributeString = $matches[1][0];
+
+ $Block['element']['attributes'] = $this->parseAttributeData($attributeString);
+
+ $Block['element']['handler']['argument'] = substr($Block['element']['handler']['argument'], 0, $matches[0][1]);
+ }
+
+ return $Block;
+ }
+
+ #
+ # Markup
+
+ protected function blockMarkup($Line)
+ {
+ if ($this->markupEscaped or $this->safeMode)
+ {
+ return;
+ }
+
+ if (preg_match('/^<(\w[\w-]*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))
+ {
+ $element = strtolower($matches[1]);
+
+ if (in_array($element, $this->textLevelElements))
+ {
+ return;
+ }
+
+ $Block = array(
+ 'name' => $matches[1],
+ 'depth' => 0,
+ 'element' => array(
+ 'rawHtml' => $Line['text'],
+ 'autobreak' => true,
+ ),
+ );
+
+ $length = strlen($matches[0]);
+ $remainder = substr($Line['text'], $length);
+
+ if (trim($remainder) === '')
+ {
+ if (isset($matches[2]) or in_array($matches[1], $this->voidElements))
+ {
+ $Block['closed'] = true;
+ $Block['void'] = true;
+ }
+ }
+ else
+ {
+ if (isset($matches[2]) or in_array($matches[1], $this->voidElements))
+ {
+ return;
+ }
+ if (preg_match('/<\/'.$matches[1].'>[ ]*$/i', $remainder))
+ {
+ $Block['closed'] = true;
+ }
+ }
+
+ return $Block;
+ }
+ }
+
+ protected function blockMarkupContinue($Line, array $Block)
+ {
+ if (isset($Block['closed']))
+ {
+ return;
+ }
+
+ if (preg_match('/^<'.$Block['name'].'(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*>/i', $Line['text'])) # open
+ {
+ $Block['depth'] ++;
+ }
+
+ if (preg_match('/(.*?)<\/'.$Block['name'].'>[ ]*$/i', $Line['text'], $matches)) # close
+ {
+ if ($Block['depth'] > 0)
+ {
+ $Block['depth'] --;
+ }
+ else
+ {
+ $Block['closed'] = true;
+ }
+ }
+
+ if (isset($Block['interrupted']))
+ {
+ $Block['element']['rawHtml'] .= "\n";
+ unset($Block['interrupted']);
+ }
+
+ $Block['element']['rawHtml'] .= "\n".$Line['body'];
+
+ return $Block;
+ }
+
+ protected function blockMarkupComplete($Block)
+ {
+ if ( ! isset($Block['void']))
+ {
+ $Block['element']['rawHtml'] = $this->processTag($Block['element']['rawHtml']);
+ }
+
+ return $Block;
+ }
+
+ #
+ # Setext
+
+ protected function blockSetextHeader($Line, array $Block = null)
+ {
+ $Block = parent::blockSetextHeader($Line, $Block);
+
+ if ($Block !== null && preg_match('/[ ]*{('.$this->regexAttribute.'+)}[ ]*$/', $Block['element']['handler']['argument'], $matches, PREG_OFFSET_CAPTURE))
+ {
+ $attributeString = $matches[1][0];
+
+ $Block['element']['attributes'] = $this->parseAttributeData($attributeString);
+
+ $Block['element']['handler']['argument'] = substr($Block['element']['handler']['argument'], 0, $matches[0][1]);
+ }
+
+ return $Block;
+ }
+
+ #
+ # Inline Elements
+ #
+
+ #
+ # Footnote Marker
+
+ protected function inlineFootnoteMarker($Excerpt)
+ {
+ if (preg_match('/^\[\^(.+?)\]/', $Excerpt['text'], $matches))
+ {
+ $name = $matches[1];
+
+ if ( ! isset($this->DefinitionData['Footnote'][$name]))
+ {
+ return;
+ }
+
+ $this->DefinitionData['Footnote'][$name]['count'] ++;
+
+ if ( ! isset($this->DefinitionData['Footnote'][$name]['number']))
+ {
+ $this->DefinitionData['Footnote'][$name]['number'] = ++ $this->footnoteCount; # » &
+ }
+
+ $Element = array(
+ 'name' => 'sup',
+ 'attributes' => array('id' => 'fnref'.$this->DefinitionData['Footnote'][$name]['count'].':'.$name),
+ 'element' => array(
+ 'name' => 'a',
+ 'attributes' => array('href' => '#fn:'.$name, 'class' => 'footnote-ref'),
+ 'text' => $this->DefinitionData['Footnote'][$name]['number'],
+ ),
+ );
+
+ return array(
+ 'extent' => strlen($matches[0]),
+ 'element' => $Element,
+ );
+ }
+ }
+
+ private $footnoteCount = 0;
+
+ #
+ # Link
+
+ protected function inlineLink($Excerpt)
+ {
+ $Link = parent::inlineLink($Excerpt);
+
+ $remainder = $Link !== null ? substr($Excerpt['text'], $Link['extent']) : '';
+
+ if (preg_match('/^[ ]*{('.$this->regexAttribute.'+)}/', $remainder, $matches))
+ {
+ $Link['element']['attributes'] += $this->parseAttributeData($matches[1]);
+
+ $Link['extent'] += strlen($matches[0]);
+ }
+
+ return $Link;
+ }
+
+ #
+ # ~
+ #
+
+ private $currentAbreviation;
+ private $currentMeaning;
+
+ protected function insertAbreviation(array $Element)
+ {
+ if (isset($Element['text']))
+ {
+ $Element['elements'] = self::pregReplaceElements(
+ '/\b'.preg_quote($this->currentAbreviation, '/').'\b/',
+ array(
+ array(
+ 'name' => 'abbr',
+ 'attributes' => array(
+ 'title' => $this->currentMeaning,
+ ),
+ 'text' => $this->currentAbreviation,
+ )
+ ),
+ $Element['text']
+ );
+
+ unset($Element['text']);
+ }
+
+ return $Element;
+ }
+
+ protected function inlineText($text)
+ {
+ $Inline = parent::inlineText($text);
+
+ if (isset($this->DefinitionData['Abbreviation']))
+ {
+ foreach ($this->DefinitionData['Abbreviation'] as $abbreviation => $meaning)
+ {
+ $this->currentAbreviation = $abbreviation;
+ $this->currentMeaning = $meaning;
+
+ $Inline['element'] = $this->elementApplyRecursiveDepthFirst(
+ array($this, 'insertAbreviation'),
+ $Inline['element']
+ );
+ }
+ }
+
+ return $Inline;
+ }
+
+ #
+ # Util Methods
+ #
+
+ protected function addDdElement(array $Line, array $Block)
+ {
+ $text = substr($Line['text'], 1);
+ $text = trim($text);
+
+ unset($Block['dd']);
+
+ $Block['dd'] = array(
+ 'name' => 'dd',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $text,
+ 'destination' => 'elements'
+ ),
+ );
+
+ if (isset($Block['interrupted']))
+ {
+ $Block['dd']['handler']['function'] = 'textElements';
+
+ unset($Block['interrupted']);
+ }
+
+ $Block['element']['elements'] []= & $Block['dd'];
+
+ return $Block;
+ }
+
+ protected function buildFootnoteElement()
+ {
+ $Element = array(
+ 'name' => 'div',
+ 'attributes' => array('class' => 'footnotes'),
+ 'elements' => array(
+ array('name' => 'hr'),
+ array(
+ 'name' => 'ol',
+ 'elements' => array(),
+ ),
+ ),
+ );
+
+ uasort($this->DefinitionData['Footnote'], 'self::sortFootnotes');
+
+ foreach ($this->DefinitionData['Footnote'] as $definitionId => $DefinitionData)
+ {
+ if ( ! isset($DefinitionData['number']))
+ {
+ continue;
+ }
+
+ $text = $DefinitionData['text'];
+
+ $textElements = parent::textElements($text);
+
+ $numbers = range(1, $DefinitionData['count']);
+
+ $backLinkElements = array();
+
+ foreach ($numbers as $number)
+ {
+ $backLinkElements[] = array('text' => ' ');
+ $backLinkElements[] = array(
+ 'name' => 'a',
+ 'attributes' => array(
+ 'href' => "#fnref$number:$definitionId",
+ 'rev' => 'footnote',
+ 'class' => 'footnote-backref',
+ ),
+ 'rawHtml' => '↩',
+ 'allowRawHtmlInSafeMode' => true,
+ 'autobreak' => false,
+ );
+ }
+
+ unset($backLinkElements[0]);
+
+ $n = count($textElements) -1;
+
+ if ($textElements[$n]['name'] === 'p')
+ {
+ $backLinkElements = array_merge(
+ array(
+ array(
+ 'rawHtml' => ' ',
+ 'allowRawHtmlInSafeMode' => true,
+ ),
+ ),
+ $backLinkElements
+ );
+
+ unset($textElements[$n]['name']);
+
+ $textElements[$n] = array(
+ 'name' => 'p',
+ 'elements' => array_merge(
+ array($textElements[$n]),
+ $backLinkElements
+ ),
+ );
+ }
+ else
+ {
+ $textElements[] = array(
+ 'name' => 'p',
+ 'elements' => $backLinkElements
+ );
+ }
+
+ $Element['elements'][1]['elements'] []= array(
+ 'name' => 'li',
+ 'attributes' => array('id' => 'fn:'.$definitionId),
+ 'elements' => array_merge(
+ $textElements
+ ),
+ );
+ }
+
+ return $Element;
+ }
+
+ # ~
+
+ protected function parseAttributeData($attributeString)
+ {
+ $Data = array();
+
+ $attributes = preg_split('/[ ]+/', $attributeString, - 1, PREG_SPLIT_NO_EMPTY);
+
+ foreach ($attributes as $attribute)
+ {
+ if ($attribute[0] === '#')
+ {
+ $Data['id'] = substr($attribute, 1);
+ }
+ else # "."
+ {
+ $classes []= substr($attribute, 1);
+ }
+ }
+
+ if (isset($classes))
+ {
+ $Data['class'] = implode(' ', $classes);
+ }
+
+ return $Data;
+ }
+
+ # ~
+
+ protected function processTag($elementMarkup) # recursive
+ {
+ # http://stackoverflow.com/q/1148928/200145
+ libxml_use_internal_errors(true);
+
+ $DOMDocument = new DOMDocument;
+
+ # http://stackoverflow.com/q/11309194/200145
+ $elementMarkup = mb_convert_encoding($elementMarkup, 'HTML-ENTITIES', 'UTF-8');
+
+ # http://stackoverflow.com/q/4879946/200145
+ $DOMDocument->loadHTML($elementMarkup);
+ $DOMDocument->removeChild($DOMDocument->doctype);
+ $DOMDocument->replaceChild($DOMDocument->firstChild->firstChild->firstChild, $DOMDocument->firstChild);
+
+ $elementText = '';
+
+ if ($DOMDocument->documentElement->getAttribute('markdown') === '1')
+ {
+ foreach ($DOMDocument->documentElement->childNodes as $Node)
+ {
+ $elementText .= $DOMDocument->saveHTML($Node);
+ }
+
+ $DOMDocument->documentElement->removeAttribute('markdown');
+
+ $elementText = "\n".$this->text($elementText)."\n";
+ }
+ else
+ {
+ foreach ($DOMDocument->documentElement->childNodes as $Node)
+ {
+ $nodeMarkup = $DOMDocument->saveHTML($Node);
+
+ if ($Node instanceof DOMElement and ! in_array($Node->nodeName, $this->textLevelElements))
+ {
+ $elementText .= $this->processTag($nodeMarkup);
+ }
+ else
+ {
+ $elementText .= $nodeMarkup;
+ }
+ }
+ }
+
+ # because we don't want for markup to get encoded
+ $DOMDocument->documentElement->nodeValue = 'placeholder\x1A';
+
+ $markup = $DOMDocument->saveHTML($DOMDocument->documentElement);
+ $markup = str_replace('placeholder\x1A', $elementText, $markup);
+
+ return $markup;
+ }
+
+ # ~
+
+ protected function sortFootnotes($A, $B) # callback
+ {
+ return $A['number'] - $B['number'];
+ }
+
+ #
+ # Fields
+ #
+
+ protected $regexAttribute = '(?:[#.][-\w]+[ ]*)';
+}
diff --git a/lib/parsedownextraplugin/parsedownextraplugin.class.php b/lib/parsedownextraplugin/parsedownextraplugin.class.php
new file mode 100644
index 0000000000..f4787db640
--- /dev/null
+++ b/lib/parsedownextraplugin/parsedownextraplugin.class.php
@@ -0,0 +1,590 @@
+';
+
+ protected $regexAttribute = '(?:[#.][-\w:\\\]+[ ]*|[-\w:\\\]+(?:=(?:["\'][^\n]*?["\']|[^\s]+)?)?[ ]*)';
+
+ # Method aliases for every configuration property
+ public function __call($key, array $arguments = array()) {
+ $property = lcfirst(substr($key, 3));
+ if (strpos($key, 'set') === 0 && property_exists($this, $property)) {
+ $this->{$property} = $arguments[0];
+ return $this;
+ }
+ throw new Exception('Method ' . $key . ' does not exists.');
+ }
+
+ public function __construct() {
+ if (version_compare(parent::version, '0.8.0-beta-1') < 0) {
+ throw new Exception('ParsedownExtraPlugin requires a later version of Parsedown');
+ }
+ $this->BlockTypes['!'][] = 'Image';
+ parent::__construct();
+ }
+
+ protected function blockAbbreviation($Line) {
+ // Allow empty abbreviations
+ if (preg_match('/^\*\[(.+?)\]:[ ]*$/', $Line['text'], $matches)) {
+ $this->DefinitionData['Abbreviation'][$matches[1]] = null;
+ return array('hidden' => true);
+ }
+ return parent::blockAbbreviation($Line);
+ }
+
+ protected function blockCodeComplete($Block) {
+ $this->doSetAttributes($Block['element']['element'], $this->blockCodeAttributes);
+ $this->doSetContent($Block['element']['element'], $this->blockCodeHtml, true);
+ // Put code attributes on parent element
+ if ($this->codeAttributesOnParent) {
+ if ($this->codeAttributesOnParent === true) {
+ // $this->codeAttributesOnParent = array_keys($Block['element']['element']['attributes']);
+ $this->codeAttributesOnParent = array('class', 'id');
+ }
+ foreach ((array) $this->codeAttributesOnParent as $Name) {
+ if (isset($Block['element']['element']['attributes'][$Name])) {
+ $Block['element']['attributes'][$Name] = $Block['element']['element']['attributes'][$Name];
+ unset($Block['element']['element']['attributes'][$Name]);
+ }
+ }
+ }
+ $Block['element']['element']['rawHtml'] = $Block['element']['element']['text'];
+ $Block['element']['element']['allowRawHtmlInSafeMode'] = true;
+ unset($Block['element']['element']['text']);
+ return $Block;
+ }
+
+ protected function blockFencedCode($Line) {
+ // Re-enable the multiple class name feature
+ $Line['text'] = strtr(trim($Line['text']), array(
+ ' ' => "\x1A",
+ '.' => "\x1A."
+ ));
+ // Enable custom attribute syntax on code block
+ $Attributes = array();
+ if (strpos($Line['text'], '{') !== false && substr($Line['text'], -1) === '}') {
+ $Parts = explode('{', $Line['text'], 2);
+ $Attributes = $this->parseAttributeData(strtr(substr($Parts[1], 0, -1), "\x1A", ' '));
+ $Line['text'] = trim($Parts[0]);
+ }
+ if (!$Block = parent::blockFencedCode($Line)) {
+ return;
+ }
+ if ($Attributes) {
+ $Block['element']['element']['attributes'] = $Attributes;
+ } else if (isset($Block['element']['element']['attributes']['class'])) {
+ $Classes = explode("\x1A", strtr($Block['element']['element']['attributes']['class'], ' ', "\x1A"));
+ // `~~~ php` → ``
+ // `~~~ php html` → ``
+ // `~~~ .php` → ``
+ // `~~~ .php.html` → ``
+ // `~~~ .php html` → ``
+ // `~~~ {.php #foo}` → ``
+ $Results = [];
+ foreach ($Classes as $Class) {
+ if ($Class === "" || $Class === strtr($this->blockCodeClassFormat, array('%s' => ""))) {
+ continue;
+ }
+ if ($Class[0] === '.') {
+ $Results[] = substr($Class, 1);
+ } else if (preg_match('/^' . strtr(preg_quote($this->blockCodeClassFormat), array('%s' => '\S+')) . '$/', $Class)) {
+ $Results[] = $Class; // Do nothing!
+ } else {
+ $Results[] = sprintf($this->blockCodeClassFormat, $Class);
+ }
+ }
+ if ($Results = array_unique($Results)) {
+ $Block['element']['element']['attributes']['class'] = implode(' ', $Results);
+ } else {
+ unset($Block['element']['element']['attributes']['class']);
+ }
+ }
+ return $Block;
+ }
+
+ protected function blockFencedCodeComplete($Block) {
+ return $this->blockCodeComplete($Block);
+ }
+
+ protected function blockHeader($Line) {
+ if (!$Block = parent::blockHeader($Line)) {
+ return;
+ }
+ $Level = strspn($Line['text'], '#');
+ $this->doSetAttributes($Block['element'], $this->headerAttributes, array($Level));
+ $this->doSetContent($Block['element'], $this->headerText, false, 'argument', array($Level));
+ return $Block;
+ }
+
+ protected function blockImage($Line) {
+ if (!$this->figuresEnabled) {
+ return;
+ }
+ // Match exactly an image syntax in a paragraph (with optional custom attributes, and optional hard break marker)
+ if (preg_match('/^\!\[[^\n]*?\](\[[^\n]*?\]|\([^\n]*?\))(\s*\{' . $this->regexAttribute . '+?\})?([ ]{2})?$/', $Line['text'])) {
+ $Block = array(
+ 'description' => "",
+ 'element' => array(
+ 'name' => 'figure',
+ 'attributes' => array(),
+ 'elements' => array(
+ $this->inlineImage($Line)
+ )
+ )
+ );
+ $this->doSetAttributes($Block['element'], $this->figureAttributes);
+ return $Block;
+ }
+ return;
+ }
+
+ protected function blockImageComplete($Block) {
+ if (!empty($Block['description'])) {
+ $Description = $Block['description'];
+ $Block['element']['elements'][] = array(
+ 'name' => 'figcaption',
+ 'rawHtml' => $this->{strpos($Description, "\n\n") === false ? 'line' : 'text'}(trim($Description, "\n"))
+ );
+ // unset($Block['description']);
+ }
+ if ($this->imageAttributesOnParent) {
+ $Inline = $Block['element']['elements'][0];
+ if ($this->imageAttributesOnParent === true) {
+ $this->imageAttributesOnParent = array_keys($Inline['element']['attributes']);
+ }
+ foreach ((array) $this->imageAttributesOnParent as $Name) {
+ if (isset($Inline['element']['attributes'][$Name])) {
+ // Merge class names
+ if (
+ $Name === 'class' &&
+ isset($Block['element']['attributes'][$Name]) &&
+ isset($Inline['element']['attributes'][$Name])
+ ) {
+ $Classes = array_merge(
+ explode(' ', $Block['element']['attributes'][$Name]),
+ explode(' ', $Inline['element']['attributes'][$Name])
+ );
+ sort($Classes);
+ $Block['element']['attributes']['class'] = implode(' ', array_unique(array_filter($Classes)));
+ unset($Block['element']['elements'][0]['element']['attributes'][$Name]);
+ continue;
+ }
+ $Block['element']['attributes'][$Name] = $Inline['element']['attributes'][$Name];
+ unset($Block['element']['elements'][0]['element']['attributes'][$Name]);
+ }
+ }
+ }
+ return $Block;
+ }
+
+ protected function blockImageContinue($Line, array $Block) {
+ if (isset($Block['complete'])) {
+ return;
+ }
+ if (isset($Block['interrupted'])) {
+ $Block['description'] .= "\n";
+ unset($Block['interrupted']);
+ }
+ if ($Line['indent'] === 0) {
+ $Block['complete'] = true;
+ return;
+ }
+ if ($Line['indent'] > 0 && $Line['indent'] < 4) {
+ $Block['description'] .= "\n" . $Line['text'];
+ return $Block;
+ }
+ return;
+ }
+
+ protected function blockQuoteComplete($Block) {
+ $this->doSetAttributes($Block['element'], $this->blockQuoteAttributes);
+ $this->doSetContent($Block['element'], $this->blockQuoteText, false, 'arguments');
+ return $Block;
+ }
+
+ protected function blockSetextHeader($Line, array $Block = null) {
+ if (!$Block = parent::blockSetextHeader($Line, $Block)) {
+ return;
+ }
+ $Level = $Line['text'][0] === '=' ? 1 : 2;
+ $this->doSetAttributes($Block['element'], $this->headerAttributes, array($Level));
+ $this->doSetContent($Block['element'], $this->headerText, false, 'argument', array($Level));
+ return $Block;
+ }
+
+ protected function blockTableContinue($Line, array $Block) {
+ if (!$Block = parent::blockTableContinue($Line, $Block)) {
+ return;
+ }
+ $Aligns = $Block['alignments'];
+ // `` or ``
+ foreach ($Block['element']['elements'] as $Index0 => &$Element0) {
+ // ``
+ foreach ($Element0['elements'] as $Index1 => &$Element1) {
+ // `` or ` `
+ foreach ($Element1['elements'] as $Index2 => &$Element2) {
+ $this->doSetAttributes($Element2, $this->tableColumnAttributes, array($Aligns[$Index2], $Index2, $Index1));
+ }
+ }
+ }
+ return $Block;
+ }
+
+ protected function blockTableComplete($Block) {
+ $this->doSetAttributes($Block['element'], $this->tableAttributes);
+ return $Block;
+ }
+
+ protected function buildFootnoteElement() {
+ $DefinitionData = $this->DefinitionData['Footnote'];
+ if (!$Footnotes = parent::buildFootnoteElement()) {
+ return;
+ }
+ $DefinitionKey = array_keys($DefinitionData);
+ $DefinitionData = array_values($DefinitionData);
+ $this->doSetAttributes($Footnotes, $this->footnoteAttributes);
+ foreach ($Footnotes['elements'][1]['elements'] as $Index0 => &$Element0) {
+ $Name = $DefinitionKey[$Index0];
+ $Count = $DefinitionData[$Index0]['count'];
+ $Args = array(is_numeric($Name) ? (float) $Name : $Name, $Count);
+ $this->doSetAttributes($Element0, $this->footnoteBackReferenceAttributes, $Args);
+ foreach ($Element0['elements'] as $Index1 => &$Element1) {
+ if (!isset($Element1['elements'])) {
+ continue;
+ }
+ $Count = 0;
+ foreach ($Element1['elements'] as $Index2 => &$Element2) {
+ if (!isset($Element2['name']) || $Element2['name'] !== 'a') {
+ continue;
+ }
+ $Args[1] = ++$Count;
+ $this->doSetAttributes($Element2, $this->footnoteBackLinkAttributes, $Args);
+ $this->doSetContent($Element2, $this->footnoteBackLinkHtml, false, 'rawHtml');
+ }
+ }
+ }
+ return $Footnotes;
+ }
+
+ protected function doGetAttributes($Element) {
+ if (isset($Element['attributes'])) {
+ return (array) $Element['attributes'];
+ }
+ return array();
+ }
+
+ protected function doGetContent($Element) {
+ if (isset($Element['text'])) {
+ return $Element['text'];
+ }
+ if (isset($Element['rawHtml'])) {
+ return $Element['rawHtml'];
+ }
+ if (isset($Element['handler']['argument'])) {
+ return implode("\n", (array) $Element['handler']['argument']);
+ }
+ return null;
+ }
+
+ private function doSetLink($Excerpt, $Function) {
+ if (!$Inline = call_user_func('parent::' . $Function, $Excerpt)) {
+ return;
+ }
+ $this->doSetAttributes($Inline['element'], $this->linkAttributes, array($this->isLocal($Inline['element'], 'href')));
+ $this->doSetData($this->DefinitionData['Reference'], $this->referenceData);
+ return $Inline;
+ }
+
+ protected function doSetAttributes(&$Element, $From, $Args = array()) {
+ $Attributes = $this->doGetAttributes($Element);
+ $Content = $this->doGetContent($Element);
+ if (is_callable($From)) {
+ $Args = array_merge(array($Content, $Attributes, &$Element), $Args);
+ $Element['attributes'] = array_replace($Attributes, (array) call_user_func_array($From, $Args));
+ } else {
+ $Element['attributes'] = array_replace($Attributes, (array) $From);
+ }
+ }
+
+ protected function doSetContent(&$Element, $From, $Esc = false, $Mode = 'text', $Args = array()) {
+ $Attributes = $this->doGetAttributes($Element);
+ $Content = $this->doGetContent($Element);
+ if ($Esc) {
+ $Content = parent::escape($Content, true);
+ }
+ if (is_callable($From)) {
+ $Args = array_merge(array($Content, $Attributes, &$Element), $Args);
+ $Content = call_user_func_array($From, $Args);
+ } else if (!empty($From)) {
+ $Content = sprintf($From, $Content);
+ }
+ if ($Mode === 'arguments') {
+ $Element['handler']['argument'] = explode("\n", $Content);
+ } else if ($Mode === 'argument') {
+ $Element['handler']['argument'] = $Content;
+ } else {
+ $Element[$Mode] = $Content;
+ }
+ }
+
+ protected function doSetData(&$To, $From) {
+ $To = array_replace((array) $To, (array) $From);
+ }
+
+ protected function element(array $Element) {
+ if (!$Any = parent::element($Element)) {
+ return;
+ }
+ if (substr($Any, -3) === ' />') {
+ if (is_callable($this->voidElementSuffix)) {
+ $Attributes = $this->doGetAttributes($Element);
+ $Content = $this->doGetContent($Element);
+ $Suffix = call_user_func_array($this->voidElementSuffix, [$Content, $Attributes, &$Element]);
+ } else {
+ $Suffix = $this->voidElementSuffix;
+ }
+ $Any = substr_replace($Any, $Suffix, -3);
+ }
+ return $Any;
+ }
+
+ protected function inlineCode($Excerpt) {
+ if (!$Inline = parent::inlineCode($Excerpt)) {
+ return;
+ }
+ $this->doSetAttributes($Inline['element'], $this->codeAttributes);
+ $this->doSetContent($Inline['element'], $this->codeHtml, true);
+ $Inline['element']['rawHtml'] = $Inline['element']['text'];
+ $Inline['element']['allowRawHtmlInSafeMode'] = true;
+ unset($Inline['element']['text']);
+ return $Inline;
+ }
+
+ protected function inlineFootnoteMarker($Excerpt) {
+ if (!$Inline = parent::inlineFootnoteMarker($Excerpt)) {
+ return;
+ }
+ $Name = null;
+ if (preg_match('/^\[\^(.+?)\]/', $Excerpt['text'], $matches)) {
+ $Name = $matches[1];
+ }
+ $Args = array(is_numeric($Name) ? (float) $Name : $Name, $this->DefinitionData['Footnote'][$Name]['count']);
+ $this->doSetAttributes($Inline['element'], $this->footnoteReferenceAttributes, $Args);
+ $this->doSetAttributes($Inline['element']['element'], $this->footnoteLinkAttributes, $Args);
+ $this->doSetContent($Inline['element']['element'], $this->footnoteLinkHtml, false, 'text', $Args);
+ $Inline['element']['element']['rawHtml'] = $Inline['element']['element']['text'];
+ $Inline['element']['element']['allowRawHtmlInSafeMode'] = true;
+ unset($Inline['element']['element']['text']);
+ return $Inline;
+ }
+
+ protected function inlineImage($Excerpt) {
+ if (!$Inline = parent::inlineImage($Excerpt)) {
+ return;
+ }
+ $this->doSetAttributes($Inline['element'], $this->imageAttributes, array($this->isLocal($Inline['element'], 'src')));
+ return $Inline;
+ }
+
+ protected function inlineLink($Excerpt) {
+ return $this->doSetLink($Excerpt, __FUNCTION__);
+ }
+
+ protected function inlineText($Text) {
+ $this->doSetData($this->DefinitionData['Abbreviation'], $this->abbreviationData);
+ return parent::inlineText($Text);
+ }
+
+ protected function inlineUrl($Excerpt) {
+ return $this->doSetLink($Excerpt, __FUNCTION__);
+ }
+
+ protected function inlineUrlTag($Excerpt) {
+ return $this->doSetLink($Excerpt, __FUNCTION__);
+ }
+
+ protected function isLocal($Element, $Key) {
+ $Link = isset($Element['attributes'][$Key]) ? (string) $Element['attributes'][$Key] : null;
+ if (
+ // ``
+ $Link === "" ||
+ // ``
+ // ``
+ // ``
+ // ``
+ // ``
+ strpos('./?&#', $Link[0]) !== false && strpos($Link, '//') !== 0 ||
+ // ``
+ strpos($Link, 'data:') === 0 ||
+ // ``
+ strpos($Link, 'javascript:') === 0 ||
+ // ``
+ strpos($Link, 'mailto:') === 0
+ ) {
+ return true;
+ }
+ if (isset($_SERVER['HTTP_HOST'])) {
+ $Host = $_SERVER['HTTP_HOST'];
+ } else if (isset($_SERVER['SERVER_NAME'])) {
+ $Host = $_SERVER['SERVER_NAME'];
+ } else {
+ $Host = "";
+ }
+ // ``
+ if (strpos($Link, '//') === 0 && strpos($Link, '//' . $Host) !== 0) {
+ return false;
+ }
+ if (
+ // ``
+ strpos($Link, 'https://' . $Host) === 0 ||
+ // ``
+ strpos($Link, 'http://' . $Host) === 0
+ ) {
+ return true;
+ }
+ // ``
+ return strpos($Link, '://') === false;
+ }
+
+ protected function parseAttributeData($attributeString) {
+ // Allow compact attributes
+ $attributeString = strtr($attributeString, array(
+ '#' => ' #',
+ '.' => ' .'
+ ));
+ if (strpos($attributeString, '="') !== false || strpos($attributeString, "='") !== false) {
+ $attributeString = preg_replace_callback('#([-\w]+=)(["\'])([^\n]*?)\2#', function($matches) {
+ $value = strtr($matches[3], array(
+ ' #' => '#',
+ ' .' => '.',
+ ' ' => "\x1A"
+ ));
+ return $matches[1] . $matches[2] . $value . $matches[2];
+ }, $attributeString);
+ }
+ $Attributes = array();
+ foreach (explode(' ', $attributeString) as $v) {
+ if (!$v) {
+ continue;
+ }
+ // `{#foo}`
+ if ($v[0] === '#' && isset($v[1])) {
+ $Attributes['id'] = substr($v, 1);
+ // `{.foo}`
+ } else if ($v[0] === '.' && isset($v[1])) {
+ $Attributes['class'][] = substr($v, 1);
+ // ~
+ } else if (strpos($v, '=') !== false) {
+ $vv = explode('=', $v, 2);
+ // `{foo=}`
+ if ($vv[1] === "") {
+ if ($vv[0] === 'class') {
+ continue;
+ }
+ $Attributes[$vv[0]] = "";
+ // `{foo="bar baz"}`
+ // `{foo='bar baz'}`
+ } else if ($vv[1][0] === '"' && substr($vv[1], -1) === '"' || $vv[1][0] === "'" && substr($vv[1], -1) === "'") {
+ $values = stripslashes(strtr(substr(substr($vv[1], 1), 0, -1), "\x1A", ' '));
+ if ($vv[0] === 'class' && isset($Attributes[$vv[0]])) {
+ $values = explode(' ', $values);
+ $Attributes[$vv[0]] = array_merge($Attributes[$vv[0]], $values);
+ } else {
+ $Attributes[$vv[0]] = $values;
+ }
+ // `{foo=bar}`
+ } else {
+ if ($vv[0] === 'class' && isset($Attributes[$vv[0]])) {
+ $Attributes[$vv[0]] = array_merge($Attributes[$vv[0]], [$vv[1]]);
+ } else {
+ $Attributes[$vv[0]] = $vv[1];
+ }
+ }
+ // `{foo}`
+ } else {
+ if ($v === 'class' && isset($Attributes[$v])) {
+ continue;
+ }
+ $Attributes[$v] = $v;
+ }
+ }
+ if (isset($Attributes['class'])) {
+ $Attributes['class'] = implode(' ', array_unique((array) $Attributes['class']));
+ }
+ return $Attributes;
+ }
+
+}
diff --git a/module/common/model.php b/module/common/model.php
index 9bda4e3b14..e1141b7368 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -3276,11 +3276,13 @@ EOD;
if(empty($markdown)) return false;
global $app;
- $app->loadClass('michelf');
+ $app->loadClass('parsedownextraplugin');
- $Michelf = new michelf;
+ $Parsedown = new parsedownextraplugin;
- return $Michelf->parse($markdown);
+ $Parsedown->voidElementSuffix = '>'; // HTML5
+
+ return $Parsedown->text($markdown);
}
}