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May 15, 2015 14:22
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<?php | |
/* | |
Place this file inside a folder called /export/ and run it from there as http://yoursite/export/export.php | |
*/ | |
include "../wp/wp-load.php"; | |
include "../wp/wp-admin/includes/file.php"; | |
define('DB_NAME', 'DNNAME'); | |
define('DB_USER', 'DBUSER'); | |
define('DB_PASSWORD', 'DPPASS'); | |
define('DB_HOST', 'DBHOSTHERE'); | |
$dbh = mysql_connect(DB_HOST,DB_USER,DB_PASSWORD); | |
mysql_select_db(DB_NAME,$dbh); | |
// destroy("posts/"); | |
// pages | |
$qry1 = "select * from wp_posts where post_status = 'publish' and post_type = 'page' ORDER BY ID DESC"; | |
$res = mysql_query($qry1,$dbh); | |
while($post = mysql_fetch_assoc($res) ){ | |
// get_the_title( $post ) | |
#echo apply_filters('the_content', get_post_field('post_content', $post['ID'])); | |
$title = clean_quote( $post["post_title"] ); | |
$slug = $post["post_name"]; | |
$content = $post["post_content"]; | |
$target = "posts/"; | |
$name = $slug.".md";// % [date.year, date.month, date.day,slug] | |
echo "Processing {$target}{$name}\n"; | |
$i = get_featured( $post['ID'] ); | |
if( $i != '' ){ | |
$image = $i; | |
} | |
$skip = false; | |
$code = false; | |
// $leap = MDFY_LINKS_EACH_PARAGRAPH; | |
// $keephtml = MDFY_KEEPHTML; | |
// $md = new Markdownify_Extra($leap, MDFY_BODYWIDTH, $keephtml); | |
# $md = new Markdownify($leap, MDFY_BODYWIDTH, $keephtml); | |
$output = '@@ Title='.get_the_title($post['ID'])."\n"; | |
$output .= '@@ BodyClass=post'."\n"; | |
$output .= '@@ HideHeader=true'."\n"; | |
if( !empty($image) ){ | |
$output .= '@@ FeaturedImage='.$image."\n"; | |
} | |
$output .= "\n"; | |
if( !empty($image) ){ | |
$output .= '!['.get_the_title($post['ID']).']('.$image.' "'.get_the_title($post['ID']).'")'."\n\n"; | |
} | |
if( !empty($video) ){ | |
$output .= $video."\n"; | |
} | |
if( !empty($audio) ){ | |
$output .= '<audio id="wp_mep_1" src="'.$audio.'" controls="controls" preload="true"></audio>'."\n"; | |
} | |
$content = apply_filters('the_content', get_post_field('post_content', $post['ID'])); | |
$dd = convert_content( $content ); | |
$dd = str_replace("http://rogerstringer.com/wp/wp-content/","http://cdn.rogerstringer.com/wp-content/",$dd); | |
$dd = str_replace("http://rogerstringer.com/wp-content/","http://cdn.rogerstringer.com/wp-content/",$dd); | |
$dd = str_replace("/media/","http://cdn.rogerstringer.com/media/",$dd); | |
// $dd = clean_quote($dd); | |
$output .= $dd; | |
if( !is_dir($target) ){ | |
echo $target.' missing'."\n"; | |
mkdir($target, 0777, true); | |
chmod($target, 0777); | |
}else{ | |
echo $target.' found'."\n"; | |
// destroy($target); | |
} | |
file_put_contents("{$target}/{$name}",$output); | |
} | |
// posts | |
$qry1 = "select * from wp_posts where post_status = 'publish' and post_type = 'post' ORDER BY ID DESC"; | |
$res = mysql_query($qry1,$dbh); | |
while($post = mysql_fetch_array($res) ){ | |
$title = $post["post_title"]; | |
$slug = $post["post_name"]; | |
$date = strtotime($post["post_date"]); | |
$content = $post["post_content"]; | |
// date("Y",$date).date("m",$date).date("d",$date)."-". | |
$target = "posts/".date("Y/m/d",$date)."/"; | |
$name = $slug.".md";// % [date.year, date.month, date.day,slug] | |
echo "Processing {$target}{$name}\n"; | |
$link = get_meta($post['ID'],"link"); | |
$image = get_meta($post['ID'],"image"); | |
$video = get_meta($post['ID'],"video-embed"); | |
$audio = get_meta($post['ID'],"audio"); | |
$quotea = get_meta($post['ID'],"quote-author"); | |
$quotec = get_meta($post['ID'],"quote-copy"); | |
$quoteu = get_meta($post['ID'],"quote-url"); | |
$i = get_featured( $post['ID'] ); | |
if( $i != '' ){ | |
$image = $i; | |
} | |
$skip = false; | |
$code = false; | |
$tagq = "select tm.term_id,tm.name from wp_term_relationships tr | |
inner join wp_term_taxonomy tt on tr.term_taxonomy_id = tt.term_taxonomy_id | |
inner join wp_terms tm on tm.term_id=tt.term_id | |
where tr.object_id={$post['ID']} and tt.taxonomy = 'category'"; | |
$tags = array(); | |
$t = mysql_query($tagq,$dbh); | |
while($tr = mysql_fetch_assoc($t) ){ | |
$tags[] = strtolower( $tr['name'] ); | |
} | |
$leap = MDFY_LINKS_EACH_PARAGRAPH; | |
$keephtml = MDFY_KEEPHTML; | |
// $md = new Markdownify_Extra($leap, MDFY_BODYWIDTH, $keephtml); | |
# $md = new Markdownify($leap, MDFY_BODYWIDTH, $keephtml); | |
$output = '@@ Title='.get_the_title($post['ID'])."\n"; | |
if( !empty($link) ){ | |
$output .= "@@ Link=".$link."\n"; | |
} | |
$output .= "@@ Tags=".implode(", ",$tags)."\n"; | |
$output .= "@@ Date=".$post["post_date"]."\n"; | |
if( !empty($image) ){ | |
$output .= '@@ FeaturedImage='.$image."\n"; | |
} | |
$output .= "\n"; | |
if( !empty($image) ){ | |
$output .= '!['.get_the_title($post['ID']).']('.$image.' "'.get_the_title($post['ID']).'")'."\n\n"; | |
} | |
if( !empty($video) ){ | |
$output .= $video."\n"; | |
} | |
if( !empty($audio) ){ | |
$output .= '<audio id="wp_mep_1" src="'.$audio.'" controls="controls" preload="true"></audio>'."\n"; | |
} | |
$content = apply_filters('the_content', get_post_field('post_content', $post['ID'])); | |
$dd = convert_content( $content ); | |
$dd = str_replace("http://rogerstringer.com/wp/wp-content/","http://cdn.rogerstringer.com/wp-content/",$dd); | |
$dd = str_replace("http://rogerstringer.com/wp-content/","http://cdn.rogerstringer.com/wp-content/",$dd); | |
$dd = str_replace("/media/","http://cdn.rogerstringer.com/media/",$dd); | |
$dd = clean_quote($dd); | |
$output .= $dd; | |
if( !is_dir($target) ){ | |
echo $target.' missing'."\n"; | |
mkdir($target, 0777, true); | |
chmod($target, 0777); | |
}else{ | |
echo $target.' found'."\n"; | |
// destroy($target); | |
} | |
file_put_contents("{$target}/{$name}",$output); | |
} | |
mysql_close($dbh); | |
function clean_quote( $content ){ | |
return $content; | |
/* | |
$dd = str_replace("’","'",$dd); | |
$dd = str_replace('“','"',$dd); | |
$dd = str_replace('“','"',$dd); | |
// $dd = mb_convert_encoding($dd, 'UTF-8', 'ISO-8859-1'); | |
*/ | |
$content = str_replace( | |
array("\xe2\x80\x98", "\xe2\x80\x99", "\xe2\x80\x9c", "\xe2\x80\x9d", "\xe2\x80\x93", "\xe2\x80\x94", "\xe2\x80\xa6"), | |
array("'", "'", '"', '"', '-', '--', '...'), | |
$content | |
); | |
// Next, replace their Windows-1252 equivalents. | |
$content = str_replace( | |
array(chr(145), chr(146), chr(147), chr(148), chr(150), chr(151), chr(133)), | |
array("'", "'", '"', '"', '-', '--', '...'), | |
$content | |
); | |
return $content; | |
} | |
function convert_content( $content ) { | |
$leap = MDFY_LINKS_EACH_PARAGRAPH; | |
$keephtml = MDFY_KEEPHTML; | |
$markdown = new HTML_To_Markdown( $content ); | |
$string = $markdown->output(); | |
if ( false !== strpos( $string, '[]: ' ) ) { | |
return $content; | |
} | |
return $string; | |
} | |
function nl2br2($text) { | |
return preg_replace("/\r\n|\n|\r/", "<br>", $text); | |
} | |
function get_meta($pid,$key){ | |
global $dbh; | |
$retVal = ""; | |
// link-url | |
$sql = "SELECT meta_value FROM wp_postmeta WHERE post_id='{$pid}' AND meta_key='{$key}'"; | |
$mres = mysql_query($sql,$dbh) or die( mysql_error()."<br />".$sql ); | |
while( $mrow = mysql_fetch_assoc($mres) ){ | |
$retVal = $mrow['meta_value']; | |
} | |
return $retVal; | |
} | |
function get_featured($pid){ | |
global $dbh; | |
$sql = 'SELECT wm2.meta_value FROM wp_posts p1 | |
LEFT JOIN | |
wp_postmeta wm1 | |
ON ( | |
wm1.post_id = p1.id | |
AND wm1.meta_value IS NOT NULL | |
AND wm1.meta_key = "_thumbnail_id" | |
) | |
LEFT JOIN | |
wp_postmeta wm2 | |
ON ( | |
wm1.meta_value = wm2.post_id | |
AND wm2.meta_key = "_wp_attached_file" | |
AND wm2.meta_value IS NOT NULL | |
) | |
WHERE | |
p1.id = "'.$pid.'" AND | |
p1.post_status="publish" | |
AND p1.post_type="post" | |
ORDER BY | |
p1.post_date DESC'; | |
$mres = mysql_query($sql,$dbh) or die( mysql_error()."<br />".$sql ); | |
$retVal = mysql_fetch_assoc($mres); | |
if( !empty($retVal['meta_value']) ){ | |
return 'http://cdn.rogerstringer.com/wp-content/uploads/'.$retVal['meta_value']; | |
} | |
return ''; | |
} | |
function rrmdir($dir) { | |
if (is_dir($dir)) { | |
$objects = scandir($dir); | |
foreach ($objects as $object) { | |
if ($object != "." && $object != "..") { | |
if (filetype($dir."/".$object) == "dir") rrmdir($dir."/".$object); else unlink($dir."/".$object); | |
} | |
} | |
reset($objects); | |
rmdir($dir); | |
} | |
} | |
function destroy($dir) { | |
$mydir = opendir($dir); | |
while(false !== ($file = readdir($mydir))) { | |
if($file != "." && $file != "..") { | |
chmod($dir.$file, 0777); | |
if(is_dir($dir.$file)) { | |
chdir('.'); | |
destroy($dir.$file.'/'); | |
rmdir($dir.$file) or DIE("couldn't delete $dir$file<br />"); | |
} | |
else | |
unlink($dir.$file) or DIE("couldn't delete $dir$file<br />"); | |
} | |
} | |
closedir($mydir); | |
} | |
class HTML_To_Markdown | |
{ | |
/** | |
* @var DOMDocument The root of the document tree that holds our HTML. | |
*/ | |
private $document; | |
/** | |
* @var string|boolean The Markdown version of the original HTML, or false if conversion failed | |
*/ | |
private $output; | |
/** | |
* @var array Class-wide options users can override. | |
*/ | |
private $options = array( | |
'header_style' => 'setext', // Set to "atx" to output H1 and H2 headers as # Header1 and ## Header2 | |
'suppress_errors' => true, // Set to false to show warnings when loading malformed HTML | |
'strip_tags' => false, // Set to true to strip tags that don't have markdown equivalents. N.B. Strips tags, not their content. Useful to clean MS Word HTML output. | |
'bold_style' => '**', // Set to '__' if you prefer the underlined style | |
'italic_style' => '*', // Set to '_' if you prefer the underlined style | |
'remove_nodes' => '', // space-separated list of dom nodes that should be removed. example: "meta style script" | |
); | |
/** | |
* Constructor | |
* | |
* Set up a new DOMDocument from the supplied HTML, convert it to Markdown, and store it in $this->$output. | |
* | |
* @param string $html The HTML to convert to Markdown. | |
* @param array $overrides [optional] List of style and error display overrides. | |
*/ | |
public function __construct($html = null, $overrides = null) | |
{ | |
if ($overrides) | |
$this->options = array_merge($this->options, $overrides); | |
if ($html) | |
$this->convert($html); | |
} | |
/** | |
* Setter for conversion options | |
* | |
* @param $name | |
* @param $value | |
*/ | |
public function set_option($name, $value) | |
{ | |
$this->options[$name] = $value; | |
} | |
/** | |
* Convert | |
* | |
* Loads HTML and passes to get_markdown() | |
* | |
* @param $html | |
* @return string The Markdown version of the html | |
*/ | |
public function convert($html) | |
{ | |
$html = preg_replace('~>\s+<~', '><', $html); // Strip white space between tags to prevent creation of empty #text nodes | |
$this->document = new DOMDocument(); | |
if ($this->options['suppress_errors']) | |
libxml_use_internal_errors(true); // Suppress conversion errors (from http://bit.ly/pCCRSX ) | |
$this->document->loadHTML('<?xml encoding="UTF-8">' . $html); // Hack to load utf-8 HTML (from http://bit.ly/pVDyCt ) | |
$this->document->encoding = 'UTF-8'; | |
if ($this->options['suppress_errors']) | |
libxml_clear_errors(); | |
return $this->get_markdown($html); | |
} | |
/** | |
* Is Child Of? | |
* | |
* Is the node a child of the given parent tag? | |
* | |
* @param $parent_name string The name of the parent node to search for (e.g. 'code') | |
* @param $node | |
* @return bool | |
*/ | |
private static function is_child_of($parent_name, $node) | |
{ | |
for ($p = $node->parentNode; $p != false; $p = $p->parentNode) { | |
if (is_null($p)) | |
return false; | |
if ($p->nodeName == $parent_name) | |
return true; | |
} | |
return false; | |
} | |
/** | |
* Convert Children | |
* | |
* Recursive function to drill into the DOM and convert each node into Markdown from the inside out. | |
* | |
* Finds children of each node and convert those to #text nodes containing their Markdown equivalent, | |
* starting with the innermost element and working up to the outermost element. | |
* | |
* @param $node | |
*/ | |
private function convert_children($node) | |
{ | |
// Don't convert HTML code inside <code> and <pre> blocks to Markdown - that should stay as HTML | |
if (self::is_child_of('pre', $node) || self::is_child_of('code', $node)) | |
return; | |
// If the node has children, convert those to Markdown first | |
if ($node->hasChildNodes()) { | |
$length = $node->childNodes->length; | |
for ($i = 0; $i < $length; $i++) { | |
$child = $node->childNodes->item($i); | |
$this->convert_children($child); | |
} | |
} | |
// Now that child nodes have been converted, convert the original node | |
$markdown = $this->convert_to_markdown($node); | |
// Create a DOM text node containing the Markdown equivalent of the original node | |
$markdown_node = $this->document->createTextNode($markdown); | |
// Replace the old $node e.g. "<h3>Title</h3>" with the new $markdown_node e.g. "### Title" | |
$node->parentNode->replaceChild($markdown_node, $node); | |
} | |
/** | |
* Get Markdown | |
* | |
* Sends the body node to convert_children() to change inner nodes to Markdown #text nodes, then saves and | |
* returns the resulting converted document as a string in Markdown format. | |
* | |
* @return string|boolean The converted HTML as Markdown, or false if conversion failed | |
*/ | |
private function get_markdown() | |
{ | |
// Work on the entire DOM tree (including head and body) | |
$input = $this->document->getElementsByTagName("html")->item(0); | |
if (!$input) | |
return false; | |
// Convert all children of this root element. The DOMDocument stored in $this->doc will | |
// then consist of #text nodes, each containing a Markdown version of the original node | |
// that it replaced. | |
$this->convert_children($input); | |
// Sanitize and return the body contents as a string. | |
$markdown = $this->document->saveHTML(); // stores the DOMDocument as a string | |
$markdown = html_entity_decode($markdown, ENT_QUOTES, 'UTF-8'); | |
$markdown = html_entity_decode($markdown, ENT_QUOTES, 'UTF-8'); // Double decode to cover cases like &nbsp; http://www.php.net/manual/en/function.htmlentities.php#99984 | |
$markdown = preg_replace("/<!DOCTYPE [^>]+>/", "", $markdown); // Strip doctype declaration | |
$unwanted = array('<html>', '</html>', '<body>', '</body>', '<head>', '</head>', '<?xml encoding="UTF-8">', '
'); | |
$markdown = str_replace($unwanted, '', $markdown); // Strip unwanted tags | |
$markdown = trim($markdown, "\n\r\0\x0B"); | |
$this->output = $markdown; | |
return $markdown; | |
} | |
/** | |
* Convert to Markdown | |
* | |
* Converts an individual node into a #text node containing a string of its Markdown equivalent. | |
* | |
* Example: An <h3> node with text content of "Title" becomes a text node with content of "### Title" | |
* | |
* @param $node | |
* @return string The converted HTML as Markdown | |
*/ | |
private function convert_to_markdown($node) | |
{ | |
$tag = $node->nodeName; // the type of element, e.g. h1 | |
$value = $node->nodeValue; // the value of that element, e.g. The Title | |
// Strip nodes named in remove_nodes | |
$tags_to_remove = explode(' ', $this->options['remove_nodes']); | |
if ( in_array($tag, $tags_to_remove) ) | |
return false; | |
switch ($tag) { | |
case "p": | |
$markdown = (trim($value)) ? rtrim($value) . PHP_EOL . PHP_EOL : ''; | |
break; | |
case "pre": | |
$markdown = PHP_EOL . $this->convert_code($node) . PHP_EOL; | |
break; | |
case "h1": | |
case "h2": | |
$markdown = $this->convert_header($tag, $node); | |
break; | |
case "h3": | |
$markdown = "### " . $value . PHP_EOL . PHP_EOL; | |
break; | |
case "h4": | |
$markdown = "#### " . $value . PHP_EOL . PHP_EOL; | |
break; | |
case "h5": | |
$markdown = "##### " . $value . PHP_EOL . PHP_EOL; | |
break; | |
case "h6": | |
$markdown = "###### " . $value . PHP_EOL . PHP_EOL; | |
break; | |
case "em": | |
case "i": | |
case "strong": | |
case "b": | |
$markdown = $this->convert_emphasis($tag, $value); | |
break; | |
case "hr": | |
$markdown = "- - - - - -" . PHP_EOL . PHP_EOL; | |
break; | |
case "br": | |
$markdown = " " . PHP_EOL; | |
break; | |
case "blockquote": | |
$markdown = $this->convert_blockquote($node); | |
break; | |
case "code": | |
$markdown = $this->convert_code($node); | |
break; | |
case "ol": | |
case "ul": | |
$markdown = $value . PHP_EOL; | |
break; | |
case "li": | |
$markdown = $this->convert_list($node); | |
break; | |
case "img": | |
$markdown = $this->convert_image($node); | |
break; | |
case "a": | |
$markdown = $this->convert_anchor($node); | |
break; | |
case "#text": | |
$markdown = preg_replace('~\s+~', ' ', $value); | |
$markdown = preg_replace('~^#~', '\\\\#', $markdown); | |
break; | |
case "#comment": | |
$markdown = ''; | |
break; | |
case "div": | |
$markdown = ($this->options['strip_tags']) ? $value . PHP_EOL . PHP_EOL : html_entity_decode($node->C14N()); | |
break; | |
default: | |
// If strip_tags is false (the default), preserve tags that don't have Markdown equivalents, | |
// such as <span> nodes on their own. C14N() canonicalizes the node to a string. | |
// See: http://www.php.net/manual/en/domnode.c14n.php | |
$markdown = ($this->options['strip_tags']) ? $value : html_entity_decode($node->C14N()); | |
} | |
return $markdown; | |
} | |
/** | |
* Convert Header | |
* | |
* Converts h1 and h2 headers to Markdown-style headers in setext style, | |
* matching the number of underscores with the length of the title. | |
* | |
* e.g. Header 1 Header Two | |
* ======== ---------- | |
* | |
* Returns atx headers instead if $this->options['header_style'] is "atx" | |
* | |
* e.g. # Header 1 ## Header Two | |
* | |
* @param string $level The header level, including the "h". e.g. h1 | |
* @param string $node The node to convert. | |
* @return string The Markdown version of the header. | |
*/ | |
private function convert_header($level, $node) | |
{ | |
$content = $node->nodeValue; | |
if (!$this->is_child_of('blockquote', $node) && $this->options['header_style'] == "setext") { | |
$length = (function_exists('mb_strlen')) ? mb_strlen($content, 'utf-8') : strlen($content); | |
$underline = ($level == "h1") ? "=" : "-"; | |
$markdown = $content . PHP_EOL . str_repeat($underline, $length) . PHP_EOL . PHP_EOL; // setext style | |
} else { | |
$prefix = ($level == "h1") ? "# " : "## "; | |
$markdown = $prefix . $content . PHP_EOL . PHP_EOL; // atx style | |
} | |
return $markdown; | |
} | |
/** | |
* Converts inline styles | |
* This function is used to render strong and em tags | |
* | |
* eg <strong>bold text</strong> becomes **bold text** or __bold text__ | |
* | |
* @param string $tag | |
* @param string $value | |
* @return string | |
*/ | |
private function convert_emphasis($tag, $value) | |
{ | |
if ($tag == 'i' || $tag == 'em') { | |
$markdown = $this->options['italic_style'] . $value . $this->options['italic_style']; | |
} else { | |
$markdown = $this->options['bold_style'] . $value . $this->options['bold_style']; | |
} | |
return $markdown; | |
} | |
/** | |
* Convert Image | |
* | |
* Converts <img /> tags to Markdown. | |
* | |
* e.g. <img src="/path/img.jpg" alt="alt text" title="Title" /> | |
* becomes ![alt text](/path/img.jpg "Title") | |
* | |
* @param $node | |
* @return string | |
*/ | |
private function convert_image($node) | |
{ | |
$src = $node->getAttribute('src'); | |
$alt = $node->getAttribute('alt'); | |
$title = $node->getAttribute('title'); | |
if ($title != "") { | |
$markdown = '![' . $alt . '](' . $src . ' "' . $title . '")'; // No newlines added. <img> should be in a block-level element. | |
} else { | |
$markdown = '![' . $alt . '](' . $src . ')'; | |
} | |
return $markdown; | |
} | |
/** | |
* Convert Anchor | |
* | |
* Converts <a> tags to Markdown. | |
* | |
* e.g. <a href="http://modernnerd.net" title="Title">Modern Nerd</a> | |
* becomes [Modern Nerd](http://modernnerd.net "Title") | |
* | |
* @param $node | |
* @return string | |
*/ | |
private function convert_anchor($node) | |
{ | |
$href = $node->getAttribute('href'); | |
$title = $node->getAttribute('title'); | |
$text = $node->nodeValue; | |
if ($title != "") { | |
$markdown = '[' . $text . '](' . $href . ' "' . $title . '")'; | |
} else { | |
$markdown = '[' . $text . '](' . $href . ')'; | |
} | |
// Append a space if the node after this one is also an anchor | |
$next_node_name = $this->get_next_node_name($node); | |
if ($next_node_name == 'a') | |
$markdown = $markdown . ' '; | |
return $markdown; | |
} | |
/** | |
* Convert List | |
* | |
* Converts <ul> and <ol> lists to Markdown. | |
* | |
* @param $node | |
* @return string | |
*/ | |
private function convert_list($node) | |
{ | |
// If parent is an ol, use numbers, otherwise, use dashes | |
$list_type = $node->parentNode->nodeName; | |
$value = $node->nodeValue; | |
if ($list_type == "ul") { | |
$markdown = "- " . trim($value) . PHP_EOL; | |
} else { | |
$number = $this->get_position($node); | |
$markdown = $number . ". " . trim($value) . PHP_EOL; | |
} | |
return $markdown; | |
} | |
/** | |
* Convert Code | |
* | |
* Convert code tags by indenting blocks of code and wrapping single lines in backticks. | |
* | |
* @param DOMNode $node | |
* @return string | |
*/ | |
private function convert_code($node) | |
{ | |
// Store the content of the code block in an array, one entry for each line | |
$markdown = ''; | |
$code_content = html_entity_decode($this->document->saveHTML($node)); | |
$code_content = str_replace(array("<code>", "</code>"), "", $code_content); | |
$code_content = str_replace(array("<pre>", "</pre>"), "", $code_content); | |
$lines = preg_split('/\r\n|\r|\n/', $code_content); | |
$total = count($lines); | |
// If there's more than one line of code, prepend each line with four spaces and no backticks. | |
if ($total > 1 || $node->nodeName === 'pre') { | |
// Remove the first and last line if they're empty | |
$first_line = trim($lines[0]); | |
$last_line = trim($lines[$total - 1]); | |
$first_line = trim($first_line, "
"); //trim XML style carriage returns too | |
$last_line = trim($last_line, "
"); | |
if (empty($first_line)) | |
array_shift($lines); | |
if (empty($last_line)) | |
array_pop($lines); | |
$count = 1; | |
foreach ($lines as $line) { | |
$line = str_replace('
', '', $line); | |
$markdown .= " " . $line; | |
// Add newlines, except final line of the code | |
if ($count != $total) | |
$markdown .= PHP_EOL; | |
$count++; | |
} | |
$markdown .= PHP_EOL; | |
} else { // There's only one line of code. It's a code span, not a block. Just wrap it with backticks. | |
$markdown .= "`" . $lines[0] . "`"; | |
} | |
return $markdown; | |
} | |
/** | |
* Convert blockquote | |
* | |
* Prepend blockquotes with > chars. | |
* | |
* @param $node | |
* @return string | |
*/ | |
private function convert_blockquote($node) | |
{ | |
// Contents should have already been converted to Markdown by this point, | |
// so we just need to add ">" symbols to each line. | |
$markdown = ''; | |
$quote_content = trim($node->nodeValue); | |
$lines = preg_split('/\r\n|\r|\n/', $quote_content); | |
$total_lines = count($lines); | |
foreach ($lines as $i => $line) { | |
$markdown .= "> " . $line . PHP_EOL; | |
if ($i + 1 == $total_lines) | |
$markdown .= PHP_EOL; | |
} | |
return $markdown; | |
} | |
/** | |
* Get Position | |
* | |
* Returns the numbered position of a node inside its parent | |
* | |
* @param $node | |
* @return int The numbered position of the node, starting at 1. | |
*/ | |
private function get_position($node) | |
{ | |
// Get all of the nodes inside the parent | |
$list_nodes = $node->parentNode->childNodes; | |
$total_nodes = $list_nodes->length; | |
$position = 1; | |
// Loop through all nodes and find the given $node | |
for ($a = 0; $a < $total_nodes; $a++) { | |
$current_node = $list_nodes->item($a); | |
if ($current_node->isSameNode($node)) | |
$position = $a + 1; | |
} | |
return $position; | |
} | |
/** | |
* Get Next Node Name | |
* | |
* Return the name of the node immediately after the passed one. | |
* | |
* @param $node | |
* @return string|null The node name (e.g. 'h1') or null. | |
*/ | |
private function get_next_node_name($node) | |
{ | |
$next_node_name = null; | |
$current_position = $this->get_position($node); | |
$next_node = $node->parentNode->childNodes->item($current_position); | |
if ($next_node) | |
$next_node_name = $next_node->nodeName; | |
return $next_node_name; | |
} | |
/** | |
* To String | |
* | |
* Magic method to return Markdown output when HTML_To_Markdown instance is treated as a string. | |
* | |
* @return string | |
*/ | |
public function __toString() | |
{ | |
return $this->output(); | |
} | |
/** | |
* Output | |
* | |
* Getter for the converted Markdown contents stored in $this->output | |
* | |
* @return string | |
*/ | |
public function output() | |
{ | |
if (!$this->output) { | |
return ''; | |
} else { | |
return $this->output; | |
} | |
} | |
} | |
?> |
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