From 13cec3d0fc257d0e65c9a1c06bfc71648722a506 Mon Sep 17 00:00:00 2001 From: Bradley Taunt Date: Fri, 2 Feb 2024 13:05:54 -0500 Subject: Initial commit for cgit platform --- _phpetite/_config.php | 17 + _phpetite/dependencies/Parsedown.php | 1994 +++++++++++++++++++++++ _phpetite/dependencies/ParsedownExtra.php | 685 ++++++++ _phpetite/dependencies/ParsedownExtraPlugin.php | 585 +++++++ _phpetite/phpetite.php | 109 ++ _phpetite/rss.php | 17 + _phpetite/system.php | 117 ++ 7 files changed, 3524 insertions(+) create mode 100644 _phpetite/_config.php create mode 100644 _phpetite/dependencies/Parsedown.php create mode 100644 _phpetite/dependencies/ParsedownExtra.php create mode 100755 _phpetite/dependencies/ParsedownExtraPlugin.php create mode 100644 _phpetite/phpetite.php create mode 100644 _phpetite/rss.php create mode 100644 _phpetite/system.php (limited to '_phpetite') diff --git a/_phpetite/_config.php b/_phpetite/_config.php new file mode 100644 index 0000000..c4e29b6 --- /dev/null +++ b/_phpetite/_config.php @@ -0,0 +1,17 @@ + diff --git a/_phpetite/dependencies/Parsedown.php b/_phpetite/dependencies/Parsedown.php new file mode 100644 index 0000000..ae0cbde --- /dev/null +++ b/_phpetite/dependencies/Parsedown.php @@ -0,0 +1,1994 @@ +textElements($text); + + # convert to markup + $markup = $this->elements($Elements); + + # trim line breaks + $markup = trim($markup, "\n"); + + return $markup; + } + + protected function textElements($text) + { + # make sure no definitions are set + $this->DefinitionData = array(); + + # standardize line breaks + $text = str_replace(array("\r\n", "\r"), "\n", $text); + + # remove surrounding line breaks + $text = trim($text, "\n"); + + # split text into lines + $lines = explode("\n", $text); + + # iterate through lines to identify blocks + return $this->linesElements($lines); + } + + # + # Setters + # + + function setBreaksEnabled($breaksEnabled) + { + $this->breaksEnabled = $breaksEnabled; + + return $this; + } + + protected $breaksEnabled; + + function setMarkupEscaped($markupEscaped) + { + $this->markupEscaped = $markupEscaped; + + return $this; + } + + protected $markupEscaped; + + function setUrlsLinked($urlsLinked) + { + $this->urlsLinked = $urlsLinked; + + return $this; + } + + protected $urlsLinked = true; + + function setSafeMode($safeMode) + { + $this->safeMode = (bool) $safeMode; + + return $this; + } + + protected $safeMode; + + function setStrictMode($strictMode) + { + $this->strictMode = (bool) $strictMode; + + return $this; + } + + protected $strictMode; + + protected $safeLinksWhitelist = array( + 'http://', + 'https://', + 'ftp://', + 'ftps://', + 'mailto:', + 'tel:', + 'data:image/png;base64,', + 'data:image/gif;base64,', + 'data:image/jpeg;base64,', + 'irc:', + 'ircs:', + 'git:', + 'ssh:', + 'news:', + 'steam:', + ); + + # + # Lines + # + + protected $BlockTypes = array( + '#' => array('Header'), + '*' => array('Rule', 'List'), + '+' => array('List'), + '-' => array('SetextHeader', 'Table', 'Rule', 'List'), + '0' => array('List'), + '1' => array('List'), + '2' => array('List'), + '3' => array('List'), + '4' => array('List'), + '5' => array('List'), + '6' => array('List'), + '7' => array('List'), + '8' => array('List'), + '9' => array('List'), + ':' => array('Table'), + '<' => array('Comment', 'Markup'), + '=' => array('SetextHeader'), + '>' => array('Quote'), + '[' => array('Reference'), + '_' => array('Rule'), + '`' => array('FencedCode'), + '|' => array('Table'), + '~' => array('FencedCode'), + ); + + # ~ + + protected $unmarkedBlockTypes = array( + 'Code', + ); + + # + # Blocks + # + + protected function lines(array $lines) + { + return $this->elements($this->linesElements($lines)); + } + + protected function linesElements(array $lines) + { + $Elements = array(); + $CurrentBlock = null; + + foreach ($lines as $line) + { + if (chop($line) === '') + { + if (isset($CurrentBlock)) + { + $CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted']) + ? $CurrentBlock['interrupted'] + 1 : 1 + ); + } + + continue; + } + + while (($beforeTab = strstr($line, "\t", true)) !== false) + { + $shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4; + + $line = $beforeTab + . str_repeat(' ', $shortage) + . substr($line, strlen($beforeTab) + 1) + ; + } + + $indent = strspn($line, ' '); + + $text = $indent > 0 ? substr($line, $indent) : $line; + + # ~ + + $Line = array('body' => $line, 'indent' => $indent, 'text' => $text); + + # ~ + + if (isset($CurrentBlock['continuable'])) + { + $methodName = 'block' . $CurrentBlock['type'] . 'Continue'; + $Block = $this->$methodName($Line, $CurrentBlock); + + if (isset($Block)) + { + $CurrentBlock = $Block; + + continue; + } + else + { + if ($this->isBlockCompletable($CurrentBlock['type'])) + { + $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; + $CurrentBlock = $this->$methodName($CurrentBlock); + } + } + } + + # ~ + + $marker = $text[0]; + + # ~ + + $blockTypes = $this->unmarkedBlockTypes; + + if (isset($this->BlockTypes[$marker])) + { + foreach ($this->BlockTypes[$marker] as $blockType) + { + $blockTypes []= $blockType; + } + } + + # + # ~ + + foreach ($blockTypes as $blockType) + { + $Block = $this->{"block$blockType"}($Line, $CurrentBlock); + + if (isset($Block)) + { + $Block['type'] = $blockType; + + if ( ! isset($Block['identified'])) + { + if (isset($CurrentBlock)) + { + $Elements[] = $this->extractElement($CurrentBlock); + } + + $Block['identified'] = true; + } + + if ($this->isBlockContinuable($blockType)) + { + $Block['continuable'] = true; + } + + $CurrentBlock = $Block; + + continue 2; + } + } + + # ~ + + if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph') + { + $Block = $this->paragraphContinue($Line, $CurrentBlock); + } + + if (isset($Block)) + { + $CurrentBlock = $Block; + } + else + { + if (isset($CurrentBlock)) + { + $Elements[] = $this->extractElement($CurrentBlock); + } + + $CurrentBlock = $this->paragraph($Line); + + $CurrentBlock['identified'] = true; + } + } + + # ~ + + if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type'])) + { + $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; + $CurrentBlock = $this->$methodName($CurrentBlock); + } + + # ~ + + if (isset($CurrentBlock)) + { + $Elements[] = $this->extractElement($CurrentBlock); + } + + # ~ + + return $Elements; + } + + protected function extractElement(array $Component) + { + if ( ! isset($Component['element'])) + { + if (isset($Component['markup'])) + { + $Component['element'] = array('rawHtml' => $Component['markup']); + } + elseif (isset($Component['hidden'])) + { + $Component['element'] = array(); + } + } + + return $Component['element']; + } + + protected function isBlockContinuable($Type) + { + return method_exists($this, 'block' . $Type . 'Continue'); + } + + protected function isBlockCompletable($Type) + { + return method_exists($this, 'block' . $Type . 'Complete'); + } + + # + # Code + + protected function blockCode($Line, $Block = null) + { + if (isset($Block) and $Block['type'] === 'Paragraph' and ! isset($Block['interrupted'])) + { + return; + } + + if ($Line['indent'] >= 4) + { + $text = substr($Line['body'], 4); + + $Block = array( + 'element' => array( + 'name' => 'pre', + 'element' => array( + 'name' => 'code', + 'text' => $text, + ), + ), + ); + + return $Block; + } + } + + protected function blockCodeContinue($Line, $Block) + { + if ($Line['indent'] >= 4) + { + if (isset($Block['interrupted'])) + { + $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); + + unset($Block['interrupted']); + } + + $Block['element']['element']['text'] .= "\n"; + + $text = substr($Line['body'], 4); + + $Block['element']['element']['text'] .= $text; + + return $Block; + } + } + + protected function blockCodeComplete($Block) + { + return $Block; + } + + # + # Comment + + protected function blockComment($Line) + { + if ($this->markupEscaped or $this->safeMode) + { + return; + } + + if (strpos($Line['text'], '') !== false) + { + $Block['closed'] = true; + } + + return $Block; + } + } + + protected function blockCommentContinue($Line, array $Block) + { + if (isset($Block['closed'])) + { + return; + } + + $Block['element']['rawHtml'] .= "\n" . $Line['body']; + + if (strpos($Line['text'], '-->') !== false) + { + $Block['closed'] = true; + } + + return $Block; + } + + # + # Fenced Code + + protected function blockFencedCode($Line) + { + $marker = $Line['text'][0]; + + $openerLength = strspn($Line['text'], $marker); + + if ($openerLength < 3) + { + return; + } + + $infostring = trim(substr($Line['text'], $openerLength), "\t "); + + if (strpos($infostring, '`') !== false) + { + return; + } + + $Element = array( + 'name' => 'code', + 'text' => '', + ); + + if ($infostring !== '') + { + /** + * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes + * Every HTML element may have a class attribute specified. + * The attribute, if specified, must have a value that is a set + * of space-separated tokens representing the various classes + * that the element belongs to. + * [...] + * The space characters, for the purposes of this specification, + * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab), + * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and + * U+000D CARRIAGE RETURN (CR). + */ + $language = substr($infostring, 0, strcspn($infostring, " \t\n\f\r")); + + $Element['attributes'] = array('class' => "language-$language"); + } + + $Block = array( + 'char' => $marker, + 'openerLength' => $openerLength, + 'element' => array( + 'name' => 'pre', + 'element' => $Element, + ), + ); + + return $Block; + } + + protected function blockFencedCodeContinue($Line, $Block) + { + if (isset($Block['complete'])) + { + return; + } + + if (isset($Block['interrupted'])) + { + $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); + + unset($Block['interrupted']); + } + + if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength'] + and chop(substr($Line['text'], $len), ' ') === '' + ) { + $Block['element']['element']['text'] = substr($Block['element']['element']['text'], 1); + + $Block['complete'] = true; + + return $Block; + } + + $Block['element']['element']['text'] .= "\n" . $Line['body']; + + return $Block; + } + + protected function blockFencedCodeComplete($Block) + { + return $Block; + } + + # + # Header + + protected function blockHeader($Line) + { + $level = strspn($Line['text'], '#'); + + if ($level > 6) + { + return; + } + + $text = trim($Line['text'], '#'); + + if ($this->strictMode and isset($text[0]) and $text[0] !== ' ') + { + return; + } + + $text = trim($text, ' '); + + $Block = array( + 'element' => array( + 'name' => 'h' . $level, + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $text, + 'destination' => 'elements', + ) + ), + ); + + return $Block; + } + + # + # List + + protected function blockList($Line, array $CurrentBlock = null) + { + list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}+[.\)]'); + + if (preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches)) + { + $contentIndent = strlen($matches[2]); + + if ($contentIndent >= 5) + { + $contentIndent -= 1; + $matches[1] = substr($matches[1], 0, -$contentIndent); + $matches[3] = str_repeat(' ', $contentIndent) . $matches[3]; + } + elseif ($contentIndent === 0) + { + $matches[1] .= ' '; + } + + $markerWithoutWhitespace = strstr($matches[1], ' ', true); + + $Block = array( + 'indent' => $Line['indent'], + 'pattern' => $pattern, + 'data' => array( + 'type' => $name, + 'marker' => $matches[1], + 'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : substr($markerWithoutWhitespace, -1)), + ), + 'element' => array( + 'name' => $name, + 'elements' => array(), + ), + ); + $Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/'); + + if ($name === 'ol') + { + $listStart = ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0'; + + if ($listStart !== '1') + { + if ( + isset($CurrentBlock) + and $CurrentBlock['type'] === 'Paragraph' + and ! isset($CurrentBlock['interrupted']) + ) { + return; + } + + $Block['element']['attributes'] = array('start' => $listStart); + } + } + + $Block['li'] = array( + 'name' => 'li', + 'handler' => array( + 'function' => 'li', + 'argument' => !empty($matches[3]) ? array($matches[3]) : array(), + 'destination' => 'elements' + ) + ); + + $Block['element']['elements'] []= & $Block['li']; + + return $Block; + } + } + + protected function blockListContinue($Line, array $Block) + { + if (isset($Block['interrupted']) and empty($Block['li']['handler']['argument'])) + { + return null; + } + + $requiredIndent = ($Block['indent'] + strlen($Block['data']['marker'])); + + if ($Line['indent'] < $requiredIndent + and ( + ( + $Block['data']['type'] === 'ol' + and preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) + ) or ( + $Block['data']['type'] === 'ul' + and preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) + ) + ) + ) { + if (isset($Block['interrupted'])) + { + $Block['li']['handler']['argument'] []= ''; + + $Block['loose'] = true; + + unset($Block['interrupted']); + } + + unset($Block['li']); + + $text = isset($matches[1]) ? $matches[1] : ''; + + $Block['indent'] = $Line['indent']; + + $Block['li'] = array( + 'name' => 'li', + 'handler' => array( + 'function' => 'li', + 'argument' => array($text), + 'destination' => 'elements' + ) + ); + + $Block['element']['elements'] []= & $Block['li']; + + return $Block; + } + elseif ($Line['indent'] < $requiredIndent and $this->blockList($Line)) + { + return null; + } + + if ($Line['text'][0] === '[' and $this->blockReference($Line)) + { + return $Block; + } + + if ($Line['indent'] >= $requiredIndent) + { + if (isset($Block['interrupted'])) + { + $Block['li']['handler']['argument'] []= ''; + + $Block['loose'] = true; + + unset($Block['interrupted']); + } + + $text = substr($Line['body'], $requiredIndent); + + $Block['li']['handler']['argument'] []= $text; + + return $Block; + } + + if ( ! isset($Block['interrupted'])) + { + $text = preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']); + + $Block['li']['handler']['argument'] []= $text; + + return $Block; + } + } + + protected function blockListComplete(array $Block) + { + if (isset($Block['loose'])) + { + foreach ($Block['element']['elements'] as &$li) + { + if (end($li['handler']['argument']) !== '') + { + $li['handler']['argument'] []= ''; + } + } + } + + return $Block; + } + + # + # Quote + + protected function blockQuote($Line) + { + if (preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) + { + $Block = array( + 'element' => array( + 'name' => 'blockquote', + 'handler' => array( + 'function' => 'linesElements', + 'argument' => (array) $matches[1], + 'destination' => 'elements', + ) + ), + ); + + return $Block; + } + } + + protected function blockQuoteContinue($Line, array $Block) + { + if (isset($Block['interrupted'])) + { + return; + } + + if ($Line['text'][0] === '>' and preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) + { + $Block['element']['handler']['argument'] []= $matches[1]; + + return $Block; + } + + if ( ! isset($Block['interrupted'])) + { + $Block['element']['handler']['argument'] []= $Line['text']; + + return $Block; + } + } + + # + # Rule + + protected function blockRule($Line) + { + $marker = $Line['text'][0]; + + if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '') + { + $Block = array( + 'element' => array( + 'name' => 'hr', + ), + ); + + return $Block; + } + } + + # + # Setext + + protected function blockSetextHeader($Line, array $Block = null) + { + if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) + { + return; + } + + if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '') + { + $Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2'; + + return $Block; + } + } + + # + # Markup + + protected function blockMarkup($Line) + { + if ($this->markupEscaped or $this->safeMode) + { + return; + } + + if (preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches)) + { + $element = strtolower($matches[1]); + + if (in_array($element, $this->textLevelElements)) + { + return; + } + + $Block = array( + 'name' => $matches[1], + 'element' => array( + 'rawHtml' => $Line['text'], + 'autobreak' => true, + ), + ); + + return $Block; + } + } + + protected function blockMarkupContinue($Line, array $Block) + { + if (isset($Block['closed']) or isset($Block['interrupted'])) + { + return; + } + + $Block['element']['rawHtml'] .= "\n" . $Line['body']; + + return $Block; + } + + # + # Reference + + protected function blockReference($Line) + { + if (strpos($Line['text'], ']') !== false + and preg_match('/^\[(.+?)\]:[ ]*+?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches) + ) { + $id = strtolower($matches[1]); + + $Data = array( + 'url' => $matches[2], + 'title' => isset($matches[3]) ? $matches[3] : null, + ); + + $this->DefinitionData['Reference'][$id] = $Data; + + $Block = array( + 'element' => array(), + ); + + return $Block; + } + } + + # + # Table + + protected function blockTable($Line, array $Block = null) + { + if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) + { + return; + } + + if ( + strpos($Block['element']['handler']['argument'], '|') === false + and strpos($Line['text'], '|') === false + and strpos($Line['text'], ':') === false + or strpos($Block['element']['handler']['argument'], "\n") !== false + ) { + return; + } + + if (chop($Line['text'], ' -:|') !== '') + { + return; + } + + $alignments = array(); + + $divider = $Line['text']; + + $divider = trim($divider); + $divider = trim($divider, '|'); + + $dividerCells = explode('|', $divider); + + foreach ($dividerCells as $dividerCell) + { + $dividerCell = trim($dividerCell); + + if ($dividerCell === '') + { + return; + } + + $alignment = null; + + if ($dividerCell[0] === ':') + { + $alignment = 'left'; + } + + if (substr($dividerCell, - 1) === ':') + { + $alignment = $alignment === 'left' ? 'center' : 'right'; + } + + $alignments []= $alignment; + } + + # ~ + + $HeaderElements = array(); + + $header = $Block['element']['handler']['argument']; + + $header = trim($header); + $header = trim($header, '|'); + + $headerCells = explode('|', $header); + + if (count($headerCells) !== count($alignments)) + { + return; + } + + foreach ($headerCells as $index => $headerCell) + { + $headerCell = trim($headerCell); + + $HeaderElement = array( + 'name' => 'th', + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $headerCell, + 'destination' => 'elements', + ) + ); + + if (isset($alignments[$index])) + { + $alignment = $alignments[$index]; + + $HeaderElement['attributes'] = array( + 'style' => "text-align: $alignment;", + ); + } + + $HeaderElements []= $HeaderElement; + } + + # ~ + + $Block = array( + 'alignments' => $alignments, + 'identified' => true, + 'element' => array( + 'name' => 'table', + 'elements' => array(), + ), + ); + + $Block['element']['elements'] []= array( + 'name' => 'thead', + ); + + $Block['element']['elements'] []= array( + 'name' => 'tbody', + 'elements' => array(), + ); + + $Block['element']['elements'][0]['elements'] []= array( + 'name' => 'tr', + 'elements' => $HeaderElements, + ); + + return $Block; + } + + protected function blockTableContinue($Line, array $Block) + { + if (isset($Block['interrupted'])) + { + return; + } + + if (count($Block['alignments']) === 1 or $Line['text'][0] === '|' or strpos($Line['text'], '|')) + { + $Elements = array(); + + $row = $Line['text']; + + $row = trim($row); + $row = trim($row, '|'); + + preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches); + + $cells = array_slice($matches[0], 0, count($Block['alignments'])); + + foreach ($cells as $index => $cell) + { + $cell = trim($cell); + + $Element = array( + 'name' => 'td', + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $cell, + 'destination' => 'elements', + ) + ); + + if (isset($Block['alignments'][$index])) + { + $Element['attributes'] = array( + 'style' => 'text-align: ' . $Block['alignments'][$index] . ';', + ); + } + + $Elements []= $Element; + } + + $Element = array( + 'name' => 'tr', + 'elements' => $Elements, + ); + + $Block['element']['elements'][1]['elements'] []= $Element; + + return $Block; + } + } + + # + # ~ + # + + protected function paragraph($Line) + { + return array( + 'type' => 'Paragraph', + 'element' => array( + 'name' => 'p', + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $Line['text'], + 'destination' => 'elements', + ), + ), + ); + } + + protected function paragraphContinue($Line, array $Block) + { + if (isset($Block['interrupted'])) + { + return; + } + + $Block['element']['handler']['argument'] .= "\n".$Line['text']; + + return $Block; + } + + # + # Inline Elements + # + + protected $InlineTypes = array( + '!' => array('Image'), + '&' => array('SpecialCharacter'), + '*' => array('Emphasis'), + ':' => array('Url'), + '<' => array('UrlTag', 'EmailTag', 'Markup'), + '[' => array('Link'), + '_' => array('Emphasis'), + '`' => array('Code'), + '~' => array('Strikethrough'), + '\\' => array('EscapeSequence'), + ); + + # ~ + + protected $inlineMarkerList = '!*_&[:<`~\\'; + + # + # ~ + # + + public function line($text, $nonNestables = array()) + { + return $this->elements($this->lineElements($text, $nonNestables)); + } + + protected function lineElements($text, $nonNestables = array()) + { + # standardize line breaks + $text = str_replace(array("\r\n", "\r"), "\n", $text); + + $Elements = array(); + + $nonNestables = (empty($nonNestables) + ? array() + : array_combine($nonNestables, $nonNestables) + ); + + # $excerpt is based on the first occurrence of a marker + + while ($excerpt = strpbrk($text, $this->inlineMarkerList)) + { + $marker = $excerpt[0]; + + $markerPosition = strlen($text) - strlen($excerpt); + + $Excerpt = array('text' => $excerpt, 'context' => $text); + + foreach ($this->InlineTypes[$marker] as $inlineType) + { + # check to see if the current inline type is nestable in the current context + + if (isset($nonNestables[$inlineType])) + { + continue; + } + + $Inline = $this->{"inline$inlineType"}($Excerpt); + + if ( ! isset($Inline)) + { + continue; + } + + # makes sure that the inline belongs to "our" marker + + if (isset($Inline['position']) and $Inline['position'] > $markerPosition) + { + continue; + } + + # sets a default inline position + + if ( ! isset($Inline['position'])) + { + $Inline['position'] = $markerPosition; + } + + # cause the new element to 'inherit' our non nestables + + + $Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables']) + ? array_merge($Inline['element']['nonNestables'], $nonNestables) + : $nonNestables + ; + + # the text that comes before the inline + $unmarkedText = substr($text, 0, $Inline['position']); + + # compile the unmarked text + $InlineText = $this->inlineText($unmarkedText); + $Elements[] = $InlineText['element']; + + # compile the inline + $Elements[] = $this->extractElement($Inline); + + # remove the examined text + $text = substr($text, $Inline['position'] + $Inline['extent']); + + continue 2; + } + + # the marker does not belong to an inline + + $unmarkedText = substr($text, 0, $markerPosition + 1); + + $InlineText = $this->inlineText($unmarkedText); + $Elements[] = $InlineText['element']; + + $text = substr($text, $markerPosition + 1); + } + + $InlineText = $this->inlineText($text); + $Elements[] = $InlineText['element']; + + foreach ($Elements as &$Element) + { + if ( ! isset($Element['autobreak'])) + { + $Element['autobreak'] = false; + } + } + + return $Elements; + } + + # + # ~ + # + + protected function inlineText($text) + { + $Inline = array( + 'extent' => strlen($text), + 'element' => array(), + ); + + $Inline['element']['elements'] = self::pregReplaceElements( + $this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/', + array( + array('name' => 'br'), + array('text' => "\n"), + ), + $text + ); + + return $Inline; + } + + protected function inlineCode($Excerpt) + { + $marker = $Excerpt['text'][0]; + + if (preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(? strlen($matches[0]), + 'element' => array( + 'name' => 'code', + 'text' => $text, + ), + ); + } + } + + protected function inlineEmailTag($Excerpt) + { + $hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?'; + + $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@' + . $hostnameLabel . '(?:\.' . $hostnameLabel . ')*'; + + if (strpos($Excerpt['text'], '>') !== false + and preg_match("/^<((mailto:)?$commonMarkEmail)>/i", $Excerpt['text'], $matches) + ){ + $url = $matches[1]; + + if ( ! isset($matches[2])) + { + $url = "mailto:$url"; + } + + return array( + 'extent' => strlen($matches[0]), + 'element' => array( + 'name' => 'a', + 'text' => $matches[1], + 'attributes' => array( + 'href' => $url, + ), + ), + ); + } + } + + protected function inlineEmphasis($Excerpt) + { + if ( ! isset($Excerpt['text'][1])) + { + return; + } + + $marker = $Excerpt['text'][0]; + + if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches)) + { + $emphasis = 'strong'; + } + elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches)) + { + $emphasis = 'em'; + } + else + { + return; + } + + return array( + 'extent' => strlen($matches[0]), + 'element' => array( + 'name' => $emphasis, + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $matches[1], + 'destination' => 'elements', + ) + ), + ); + } + + protected function inlineEscapeSequence($Excerpt) + { + if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters)) + { + return array( + 'element' => array('rawHtml' => $Excerpt['text'][1]), + 'extent' => 2, + ); + } + } + + protected function inlineImage($Excerpt) + { + if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[') + { + return; + } + + $Excerpt['text']= substr($Excerpt['text'], 1); + + $Link = $this->inlineLink($Excerpt); + + if ($Link === null) + { + return; + } + + $Inline = array( + 'extent' => $Link['extent'] + 1, + 'element' => array( + 'name' => 'img', + 'attributes' => array( + 'src' => $Link['element']['attributes']['href'], + 'alt' => $Link['element']['handler']['argument'], + ), + 'autobreak' => true, + ), + ); + + $Inline['element']['attributes'] += $Link['element']['attributes']; + + unset($Inline['element']['attributes']['href']); + + return $Inline; + } + + protected function inlineLink($Excerpt) + { + $Element = array( + 'name' => 'a', + 'handler' => array( + 'function' => 'lineElements', + 'argument' => null, + 'destination' => 'elements', + ), + 'nonNestables' => array('Url', 'Link'), + 'attributes' => array( + 'href' => null, + 'title' => null, + ), + ); + + $extent = 0; + + $remainder = $Excerpt['text']; + + if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches)) + { + $Element['handler']['argument'] = $matches[1]; + + $extent += strlen($matches[0]); + + $remainder = substr($remainder, $extent); + } + else + { + return; + } + + if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches)) + { + $Element['attributes']['href'] = $matches[1]; + + if (isset($matches[2])) + { + $Element['attributes']['title'] = substr($matches[2], 1, - 1); + } + + $extent += strlen($matches[0]); + } + else + { + if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches)) + { + $definition = strlen($matches[1]) ? $matches[1] : $Element['handler']['argument']; + $definition = strtolower($definition); + + $extent += strlen($matches[0]); + } + else + { + $definition = strtolower($Element['handler']['argument']); + } + + if ( ! isset($this->DefinitionData['Reference'][$definition])) + { + return; + } + + $Definition = $this->DefinitionData['Reference'][$definition]; + + $Element['attributes']['href'] = $Definition['url']; + $Element['attributes']['title'] = $Definition['title']; + } + + return array( + 'extent' => $extent, + 'element' => $Element, + ); + } + + protected function inlineMarkup($Excerpt) + { + if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false) + { + return; + } + + if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches)) + { + return array( + 'element' => array('rawHtml' => $matches[0]), + 'extent' => strlen($matches[0]), + ); + } + + if ($Excerpt['text'][1] === '!' and preg_match('/^/s', $Excerpt['text'], $matches)) + { + return array( + 'element' => array('rawHtml' => $matches[0]), + 'extent' => strlen($matches[0]), + ); + } + + if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches)) + { + return array( + 'element' => array('rawHtml' => $matches[0]), + 'extent' => strlen($matches[0]), + ); + } + } + + protected function inlineSpecialCharacter($Excerpt) + { + if (substr($Excerpt['text'], 1, 1) !== ' ' and strpos($Excerpt['text'], ';') !== false + and preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches) + ) { + return array( + 'element' => array('rawHtml' => '&' . $matches[1] . ';'), + 'extent' => strlen($matches[0]), + ); + } + + return; + } + + protected function inlineStrikethrough($Excerpt) + { + if ( ! isset($Excerpt['text'][1])) + { + return; + } + + if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches)) + { + return array( + 'extent' => strlen($matches[0]), + 'element' => array( + 'name' => 'del', + 'handler' => array( + 'function' => 'lineElements', + 'argument' => $matches[1], + 'destination' => 'elements', + ) + ), + ); + } + } + + protected function inlineUrl($Excerpt) + { + if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') + { + return; + } + + if (strpos($Excerpt['context'], 'http') !== false + and preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE) + ) { + $url = $matches[0][0]; + + $Inline = array( + 'extent' => strlen($matches[0][0]), + 'position' => $matches[0][1], + 'element' => array( + 'name' => 'a', + 'text' => $url, + 'attributes' => array( + 'href' => $url, + ), + ), + ); + + return $Inline; + } + } + + protected function inlineUrlTag($Excerpt) + { + if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches)) + { + $url = $matches[1]; + + return array( + 'extent' => strlen($matches[0]), + 'element' => array( + 'name' => 'a', + 'text' => $url, + 'attributes' => array( + 'href' => $url, + ), + ), + ); + } + } + + # ~ + + protected function unmarkedText($text) + { + $Inline = $this->inlineText($text); + return $this->element($Inline['element']); + } + + # + # Handlers + # + + protected function handle(array $Element) + { + if (isset($Element['handler'])) + { + if (!isset($Element['nonNestables'])) + { + $Element['nonNestables'] = array(); + } + + if (is_string($Element['handler'])) + { + $function = $Element['handler']; + $argument = $Element['text']; + unset($Element['text']); + $destination = 'rawHtml'; + } + else + { + $function = $Element['handler']['function']; + $argument = $Element['handler']['argument']; + $destination = $Element['handler']['destination']; + } + + $Element[$destination] = $this->{$function}($argument, $Element['nonNestables']); + + if ($destination === 'handler') + { + $Element = $this->handle($Element); + } + + unset($Element['handler']); + } + + return $Element; + } + + protected function handleElementRecursive(array $Element) + { + return $this->elementApplyRecursive(array($this, 'handle'), $Element); + } + + protected function handleElementsRecursive(array $Elements) + { + return $this->elementsApplyRecursive(array($this, 'handle'), $Elements); + } + + protected function elementApplyRecursive($closure, array $Element) + { + $Element = call_user_func($closure, $Element); + + if (isset($Element['elements'])) + { + $Element['elements'] = $this->elementsApplyRecursive($closure, $Element['elements']); + } + elseif (isset($Element['element'])) + { + $Element['element'] = $this->elementApplyRecursive($closure, $Element['element']); + } + + return $Element; + } + + protected function elementApplyRecursiveDepthFirst($closure, array $Element) + { + if (isset($Element['elements'])) + { + $Element['elements'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['elements']); + } + elseif (isset($Element['element'])) + { + $Element['element'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['element']); + } + + $Element = call_user_func($closure, $Element); + + return $Element; + } + + protected function elementsApplyRecursive($closure, array $Elements) + { + foreach ($Elements as &$Element) + { + $Element = $this->elementApplyRecursive($closure, $Element); + } + + return $Elements; + } + + protected function elementsApplyRecursiveDepthFirst($closure, array $Elements) + { + foreach ($Elements as &$Element) + { + $Element = $this->elementApplyRecursiveDepthFirst($closure, $Element); + } + + return $Elements; + } + + protected function element(array $Element) + { + if ($this->safeMode) + { + $Element = $this->sanitiseElement($Element); + } + + # identity map if element has no handler + $Element = $this->handle($Element); + + $hasName = isset($Element['name']); + + $markup = ''; + + if ($hasName) + { + $markup .= '<' . $Element['name']; + + if (isset($Element['attributes'])) + { + foreach ($Element['attributes'] as $name => $value) + { + if ($value === null) + { + continue; + } + + $markup .= " $name=\"".self::escape($value).'"'; + } + } + } + + $permitRawHtml = false; + + if (isset($Element['text'])) + { + $text = $Element['text']; + } + // very strongly consider an alternative if you're writing an + // extension + elseif (isset($Element['rawHtml'])) + { + $text = $Element['rawHtml']; + + $allowRawHtmlInSafeMode = isset($Element['allowRawHtmlInSafeMode']) && $Element['allowRawHtmlInSafeMode']; + $permitRawHtml = !$this->safeMode || $allowRawHtmlInSafeMode; + } + + $hasContent = isset($text) || isset($Element['element']) || isset($Element['elements']); + + if ($hasContent) + { + $markup .= $hasName ? '>' : ''; + + if (isset($Element['elements'])) + { + $markup .= $this->elements($Element['elements']); + } + elseif (isset($Element['element'])) + { + $markup .= $this->element($Element['element']); + } + else + { + if (!$permitRawHtml) + { + $markup .= self::escape($text, true); + } + else + { + $markup .= $text; + } + } + + $markup .= $hasName ? '' : ''; + } + elseif ($hasName) + { + $markup .= ' />'; + } + + return $markup; + } + + protected function elements(array $Elements) + { + $markup = ''; + + $autoBreak = true; + + foreach ($Elements as $Element) + { + if (empty($Element)) + { + continue; + } + + $autoBreakNext = (isset($Element['autobreak']) + ? $Element['autobreak'] : isset($Element['name']) + ); + // (autobreak === false) covers both sides of an element + $autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext; + + $markup .= ($autoBreak ? "\n" : '') . $this->element($Element); + $autoBreak = $autoBreakNext; + } + + $markup .= $autoBreak ? "\n" : ''; + + return $markup; + } + + # ~ + + protected function li($lines) + { + $Elements = $this->linesElements($lines); + + if ( ! in_array('', $lines) + and isset($Elements[0]) and isset($Elements[0]['name']) + and $Elements[0]['name'] === 'p' + ) { + unset($Elements[0]['name']); + } + + return $Elements; + } + + # + # AST Convenience + # + + /** + * Replace occurrences $regexp with $Elements in $text. Return an array of + * elements representing the replacement. + */ + protected static function pregReplaceElements($regexp, $Elements, $text) + { + $newElements = array(); + + while (preg_match($regexp, $text, $matches, PREG_OFFSET_CAPTURE)) + { + $offset = $matches[0][1]; + $before = substr($text, 0, $offset); + $after = substr($text, $offset + strlen($matches[0][0])); + + $newElements[] = array('text' => $before); + + foreach ($Elements as $Element) + { + $newElements[] = $Element; + } + + $text = $after; + } + + $newElements[] = array('text' => $text); + + return $newElements; + } + + # + # Deprecated Methods + # + + function parse($text) + { + $markup = $this->text($text); + + return $markup; + } + + protected function sanitiseElement(array $Element) + { + static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/'; + static $safeUrlNameToAtt = array( + 'a' => 'href', + 'img' => 'src', + ); + + if ( ! isset($Element['name'])) + { + unset($Element['attributes']); + return $Element; + } + + if (isset($safeUrlNameToAtt[$Element['name']])) + { + $Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]); + } + + if ( ! empty($Element['attributes'])) + { + foreach ($Element['attributes'] as $att => $val) + { + # filter out badly parsed attribute + if ( ! preg_match($goodAttribute, $att)) + { + unset($Element['attributes'][$att]); + } + # dump onevent attribute + elseif (self::striAtStart($att, 'on')) + { + unset($Element['attributes'][$att]); + } + } + } + + return $Element; + } + + protected function filterUnsafeUrlInAttribute(array $Element, $attribute) + { + foreach ($this->safeLinksWhitelist as $scheme) + { + if (self::striAtStart($Element['attributes'][$attribute], $scheme)) + { + return $Element; + } + } + + $Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]); + + return $Element; + } + + # + # Static Methods + # + + protected static function escape($text, $allowQuotes = false) + { + return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8'); + } + + protected static function striAtStart($string, $needle) + { + $len = strlen($needle); + + if ($len > strlen($string)) + { + return false; + } + else + { + return strtolower(substr($string, 0, $len)) === strtolower($needle); + } + } + + static function instance($name = 'default') + { + if (isset(self::$instances[$name])) + { + return self::$instances[$name]; + } + + $instance = new static(); + + self::$instances[$name] = $instance; + + return $instance; + } + + private static $instances = array(); + + # + # Fields + # + + protected $DefinitionData; + + # + # Read-Only + + protected $specialCharacters = array( + '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', '~' + ); + + protected $StrongRegex = array( + '*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s', + '_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us', + ); + + protected $EmRegex = array( + '*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s', + '_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us', + ); + + protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+'; + + protected $voidElements = array( + 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', + ); + + protected $textLevelElements = array( + 'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont', + 'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing', + 'i', 'rp', 'del', 'code', 'strike', 'marquee', + 'q', 'rt', 'ins', 'font', 'strong', + 's', 'tt', 'kbd', 'mark', + 'u', 'xm', 'sub', 'nobr', + 'sup', 'ruby', + 'var', 'span', + 'wbr', 'time', + ); +} diff --git a/_phpetite/dependencies/ParsedownExtra.php b/_phpetite/dependencies/ParsedownExtra.php new file mode 100644 index 0000000..ed2ce73 --- /dev/null +++ b/_phpetite/dependencies/ParsedownExtra.php @@ -0,0 +1,685 @@ +BlockTypes[':'] []= 'DefinitionList'; + $this->BlockTypes['*'] []= 'Abbreviation'; + + # identify footnote definitions before reference definitions + array_unshift($this->BlockTypes['['], 'Footnote'); + + # identify footnote markers before before links + array_unshift($this->InlineTypes['['], 'FootnoteMarker'); + } + + # + # ~ + + function text($text) + { + $Elements = $this->textElements($text); + + # convert to markup + $markup = $this->elements($Elements); + + # trim line breaks + $markup = trim($markup, "\n"); + + # merge consecutive dl elements + + $markup = preg_replace('/<\/dl>\s+
\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'], array(__CLASS__, '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:$definitionId", + 'class' => 'footnote-backref', + ), + 'rawHtml' => '↩', + 'allowRawHtmlInSafeMode' => true, + 'autobreak' => false, + ); + } + + unset($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/_phpetite/dependencies/ParsedownExtraPlugin.php b/_phpetite/dependencies/ParsedownExtraPlugin.php new file mode 100755 index 0000000..55e9091 --- /dev/null +++ b/_phpetite/dependencies/ParsedownExtraPlugin.php @@ -0,0 +1,585 @@ +'; + + # config + + + 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 === str_replace('%s', "", $this->blockCodeClassFormat)) {
+                    continue;
+                }
+                if ($Class[0] === '.') {
+                    $Results[] = substr($Class, 1);
+                } else {
+                    $Results[] = sprintf($this->blockCodeClassFormat, $Class);
+                }
+            }
+            $Block['element']['element']['attributes']['class'] = implode(' ', array_unique($Results));
+        }
+        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) {
+                $Count = 0;
+                foreach ($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 = 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 $Attributes;
+    }
+
+}
diff --git a/_phpetite/phpetite.php b/_phpetite/phpetite.php
new file mode 100644
index 0000000..9090480
--- /dev/null
+++ b/_phpetite/phpetite.php
@@ -0,0 +1,109 @@
+, with date-and-title as #id.
+
+// !!!
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+// DO NOT TOUCH anything below here unless you know what you're doing.
+// Most basic use cases won't need to change anything here.
+//
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// !!!
+
+// Include custom site configurations
+include($_SERVER['DOCUMENT_ROOT'].'_phpetite/_config.php');
+include($_SERVER['DOCUMENT_ROOT'].'_phpetite/system.php');
+
+
+// $site_info takes all page content from /content/_pages/home-content.md
+$site_info = '
' . $parsedown->text(file_get_contents('content/_pages/home-content.md')) .'
';
+
+$cssFiles = array(
+  "style.css"
+);
+
+$updated_date = date("F j, Y");
+$base_64_favicon = base64_encode(file_get_contents($site_icon));
+
+$buffer = "";
+foreach ($cssFiles as $cssFile) {
+  $buffer .= file_get_contents($cssFile);
+}
+$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
+$buffer = str_replace(': ', ':', $buffer);
+$buffer = str_replace(array("\r\n", "\r", "\n", "\t", '  ', '    ', '    '), '', $buffer);
+
+// Decide whether or not to display the site info on homepage
+if ($site_info != '') {
+  $show_site_info = $site_info . '
';
+} else {
+  $show_site_info = '';
+}
+
+$html = <<
+
+
+  
+  
+  $site_title
+  
+  
+  
+  
+  
+  
+  
+  
+  
+
+
+  

+    

+      $site_title
+    

+  

+  

+    $posts
+    $pages
+    

+      $show_site_info
+      
+    

+  

+  

+    Last updated on $updated_date
+    

+        $pages_footer
+    

+  

+
+
+EOD;
+
+if ($images_to_base64 == true) {
+  $dom = new DOMDocument();
+  libxml_use_internal_errors(true);
+  $dom->loadHTML(html_entity_decode($html, ENT_QUOTES | ENT_HTML5, 'UTF-8'));
+  libxml_clear_errors();
+  $post_images = $dom->getElementsByTagName('img');
+  foreach ($post_images as $image) {
+    $src = $image->getAttribute('src');
+    $type = pathinfo($src, PATHINFO_EXTENSION);
+    $data = file_get_contents($src);
+    $base64 = 'data:image/' . $type . ';base64,' . base64_encode($data);
+    $image->setAttribute("src", $base64); 
+  }
+
+  $html = $dom->saveHTML();
+  echo $html;
+} else {
+  echo $html;
+}
+
+?>
\ No newline at end of file
diff --git a/_phpetite/rss.php b/_phpetite/rss.php
new file mode 100644
index 0000000..9acd8bc
--- /dev/null
+++ b/_phpetite/rss.php
@@ -0,0 +1,17 @@
+
+    
+    '.$site_title.'
+    
+    
+    '.date("Y-m-d\TH:i:sP").'
+    '.$site_url.'/
+    
+      '.$site_author.'
+      '.$site_email.'
+    '.$rss_items.'';
+?>
\ No newline at end of file
diff --git a/_phpetite/system.php b/_phpetite/system.php
new file mode 100644
index 0000000..10f43f8
--- /dev/null
+++ b/_phpetite/system.php
@@ -0,0 +1,117 @@
+getType() == 'file' && strpos($file->getFilename(),'.md') ) {
+    $files[] = $file->getFilename();
+  }
+}
+rsort($files);
+
+foreach ($files as $file) {
+
+  $filename_no_ext = substr($file, 0, strrpos($file, "."));
+  $file_path = __DIR__.'/../content/'.$file;
+  $file = fopen($file_path, 'r');
+  $post_title = trim(fgets($file),'#');
+  $post_slug = create_slug($filename_no_ext.$post_title);
+  fclose($file);
+
+  $parsedown = new ParsedownExtraPlugin();
+  // Allow single line breaks
+  $parsedown->setBreaksEnabled(true);
+  // Add image dimensions, lazy loading and figures
+  $parsedown->imageAttributes = ['width', 'height'];
+  $parsedown->imageAttributes = ['loading' => 'lazy'];
+  $parsedown->figuresEnabled = true;
+  // Remove the id and #links on footnotes
+  $parsedown->footnoteLinkAttributes = function() {return ['href' => '#'];};
+  $parsedown->footnoteReferenceAttributes = function() {return ['id' => null];};
+  $parsedown->footnoteBackLinkAttributes = function() {return ['href' => '#'];};
+  $parsedown->footnoteBackReferenceAttributes = function() {return ['id' => null];};
+
+  $toc .= '
  • '.$post_title.' 
    • ';
+  $posts .= '
    '.$parsedown->text(file_get_contents($file_path)).'
    ';
+
+  $rss_items .= '
+  
+    '.trim($post_title, " \t\n\r").'
+    
+    '.substr($filename_no_ext, 0, 10).'T00:00:00+00:00
+    '.$site_url.'/#'.$post_slug.'
+    '.htmlspecialchars($parsedown->text(file_get_contents($file_path)), ENT_XML1, 'UTF-8').'
+  
+  ';
+
+}
+
+$files_pages = [];
+foreach (new DirectoryIterator(__DIR__.'/../content/_pages/') as $file_page) {
+  if ( $file_page->getType() == 'file' && strpos($file_page->getFilename(),'.md') ) {
+    $files_pages[] = $file_page->getFilename();
+  }
+}
+rsort($files_pages);
+
+foreach ($files_pages as $file_page) {
+
+  $filename_no_ext_page = substr($file_page, 0, strrpos($file_page, "."));
+  $file_path_page = __DIR__.'/../content/_pages/'.$file_page;
+  $file_page = fopen($file_path_page, 'r');
+  $page_title = trim(fgets($file_page),'# ');
+  $page_slug = create_slug($filename_no_ext_page);
+  fclose($file_page);
+
+  $parsedown = new ParsedownExtraPlugin();
+  // Allow single line breaks
+  $parsedown->setBreaksEnabled(true);
+  // Add image dimensions, lazy loading and figures
+  $parsedown->imageAttributes = ['width', 'height'];
+  $parsedown->imageAttributes = ['loading' => 'lazy'];
+  $parsedown->figuresEnabled = true;
+  // Remove the id and #links on footnotes
+  $parsedown->footnoteLinkAttributes = function() {return ['href' => '#'];};
+  $parsedown->footnoteReferenceAttributes = function() {return ['id' => null];};
+  $parsedown->footnoteBackLinkAttributes = function() {return ['href' => '#'];};
+  $parsedown->footnoteBackReferenceAttributes = function() {return ['id' => null];};
+
+  if ($page_slug != 'home-content') {
+    $pages .= '
    '.$parsedown->text(file_get_contents($file_path_page)).'
    ';
+  }
+  $pages_footer .=''.trim($page_title, " \t\n\r").'/';
+
+}
+
+?>
\ No newline at end of file
-- 
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