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Header offset setting #119

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Header offset setting #119

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bdd4373
Add $header_offset setting to allow headings to begin at say H2, for …
Aug 4, 2013
b765e5e
Adds header offset setting to MarkdownExtra as well.
Aug 4, 2013
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12 changes: 8 additions & 4 deletions Michelf/Markdown.php
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,10 @@ public static function defaultTransform($text) {
# Predefined urls and titles for reference links and images.
public $predef_urls = array();
public $predef_titles = array();

# Offset for header levels, i.e., if you want the first heading to be H2,
# make the offset 1
public $header_offset = 0;


### Parser Implementation ###
Expand Down Expand Up @@ -769,12 +773,12 @@ protected function _doHeaders_callback_setext($matches) {
if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1]))
return $matches[0];

$level = $matches[2]{0} == '=' ? 1 : 2;
$level = $matches[2]{0} == '=' ? 1 : 2 + $this->header_offset;
$block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
return "\n" . $this->hashBlock($block) . "\n\n";
}
protected function _doHeaders_callback_atx($matches) {
$level = strlen($matches[1]);
$level = strlen($matches[1]) + $this->header_offset;
$block = "<h$level>".$this->runSpanGamut($matches[2])."</h$level>";
return "\n" . $this->hashBlock($block) . "\n\n";
}
Expand Down Expand Up @@ -2471,13 +2475,13 @@ protected function doHeaders($text) {
protected function _doHeaders_callback_setext($matches) {
if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
return $matches[0];
$level = $matches[3]{0} == '=' ? 1 : 2;
$level = $matches[3]{0} == '=' ? 1 : 2 + $this->header_offset;
$attr = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
return "\n" . $this->hashBlock($block) . "\n\n";
}
protected function _doHeaders_callback_atx($matches) {
$level = strlen($matches[1]);
$level = strlen($matches[1]) + $this->header_offset;
$attr = $this->doExtraAttributes("h$level", $dummy =& $matches[3]);
$block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
return "\n" . $this->hashBlock($block) . "\n\n";
Expand Down