/**
* Handle a node
*
* Handle / transform a given node, and return the result of the
* conversion.
*
* @param ezcDocumentElementVisitorConverter $converter
* @param DOMElement $node
* @param mixed $root
* @return mixed
*/
public function handle(ezcDocumentElementVisitorConverter $converter, DOMElement $node, $root)
{
if (ezcDocumentDocbookToRstConverter::$indentation > 0) {
$converter->triggerError(E_WARNING, "Indented section found, cannot be represented in RST.");
}
// Reset indenteation level, ever we reach a new section
ezcDocumentDocbookToRstConverter::$indentation = 0;
if ($node->tagName === 'title') {
// Get actual title string by recursing into the title node
$converter->setSkipPostDecoration(true);
$title = trim($converter->visitChildren($node, ''));
$converter->setSkipPostDecoration(false);
// Get RST title decoration characters
if (!isset($converter->options->headerTypes[$this->level])) {
$converter->triggerError(E_ERROR, "No characters for title of level {$this->level} defined.");
return $root . $title;
}
if (strlen($marker = $converter->options->headerTypes[$this->level]) > 1) {
return $root . sprintf("\n%s\n%s\n%s\n\n", $marker = str_repeat($marker[0], strlen($title)), $title, $marker);
} else {
return $root . sprintf("\n%s\n%s\n\n", $title, str_repeat($marker, strlen($title)));
}
} else {
++$this->level;
// Set internal cross reference target if section has an ID assigned
if ($node->hasAttribute('ID')) {
$root .= '.. _' . $node->getAttribute('ID') . ":\n\n";
}
// Recurse
$root = $converter->visitChildren($node, $root);
// Reduce header level back to original state after recursion
--$this->level;
}
return $root;
}
/**
* Handle a node
*
* Handle / transform a given node, and return the result of the
* conversion.
*
* @param ezcDocumentElementVisitorConverter $converter
* @param DOMElement $node
* @param mixed $root
* @return mixed
*/
public function handle(ezcDocumentElementVisitorConverter $converter, DOMElement $node, $root)
{
ezcDocumentDocbookToRstConverter::$indentation += 2;
foreach ($node->childNodes as $child) {
if ($child->nodeType === XML_ELEMENT_NODE && $child->tagName === 'listitem') {
$root .= str_repeat(' ', max(0, ezcDocumentDocbookToRstConverter::$indentation - 2)) . $converter->options->itemListCharacter . ' ' . trim($converter->visitChildren($child, '')) . "\n\n";
}
}
ezcDocumentDocbookToRstConverter::$indentation = max(0, ezcDocumentDocbookToRstConverter::$indentation - 2);
return $root;
}
/**
* Initialize destination document
*
* Initialize the structure which the destination document could be build
* with. This may be an initial DOMDocument with some default elements, or
* a string, or something else.
*
* @return mixed
*/
protected function initializeDocument()
{
self::$indentation = 0;
self::$wordWrap = $this->options->wordWrap;
return '';
}
