/**
* Calls the wkhtmltopdf executable to generate a PDF.
*
* @param DOMDocument $structure
* @param DocBlox_Transformer_Transformation $transformation
*
* @return void
*/
public function transform(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
$artifact = $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact();
$transformation->setArtifact($artifact);
$source = substr($transformation->getSource(), 0, 1) != DIRECTORY_SEPARATOR ? $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getSource() : $transformation->getSource();
$transformation->setSource($source);
$options = '';
if ($transformation->getParameter('toc', 'false') == 'true') {
$options = ' toc ';
}
// TODO: add parameter to provide a cover HTML
// TODO: add a parameter to provide a header HTML
// TODO: add a parameter to provide a footer HTML
// first try if there is a wkhtmltopdf in the global path, this helps windows users
exec('wkhtmltopdf ' . $options . ' ' . $transformation->getSource() . ' ' . $transformation->getArtifact() . ' 2>&1', $output, $error);
$output = implode(PHP_EOL, $output);
// this notice is linux specific; if it is found no global wkhtmltopdf was installed; try the one which is included
// with docblox
if (strpos($output, 'wkhtmltopdf: not found') !== false) {
exec($this->getConfig()->paths->application . '/src/wkhtmltopdf/wkhtmltopdf-i386 ' . $options . ' ' . $transformation->getSource() . ' ' . $transformation->getArtifact() . ' 2>&1', $output, $error);
$output = implode(PHP_EOL, $output) . PHP_EOL;
}
// log message and output
$this->log('Generating PDF file ' . $transformation->getArtifact() . ' from ' . $transformation->getSource());
$this->log($output, $error == 0 ? DocBlox_Core_Log::INFO : DocBlox_Core_Log::CRIT);
// CRASH!
if ($error != 0) {
throw new Exception('Conversion to PDF failed, see output for details');
}
}
/**
* Copies files or folders to the Artifact location.
*
* @throws Exception
*
* @return void
*/
public function executeQueryCopy(DocBlox_Transformer_Transformation $transformation)
{
$path = $transformation->getSourceAsPath();
if (!is_readable($path)) {
throw new Exception('Unable to read the source file: ' . $path);
}
if (!is_writable($transformation->getTransformer()->getTarget())) {
throw new Exception('Unable to write to: ' . dirname($transformation->getArtifact()));
}
$transformation->getTransformer()->copyRecursive($path, $transformation->getArtifact());
}
/**
* This method combines the structure.xml and the given target template
* and creates a static html page at the artifact location.
*
* @param DOMDocument $structure XML source.
* @param DocBlox_Transformer_Transformation $transformation Transformation.
*
* @throws Exception
*
* @return void
*/
public function transform(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
if (!class_exists('XSLTProcessor')) {
throw new Exception('The XSL writer was unable to find your XSLTProcessor; ' . 'please check if you have installed the PHP XSL extension');
}
$artifact = $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact();
$xsl = new DOMDocument();
$xsl->load($transformation->getSourceAsPath());
$proc = new XSLTProcessor();
$proc->importStyleSheet($xsl);
$proc->setParameter('', 'title', $structure->documentElement->getAttribute('title'));
$proc->setParameter('', 'root', str_repeat('../', substr_count($transformation->getArtifact(), '/')));
$proc->setParameter('', 'search_template', $transformation->getParameter('search', 'none'));
$proc->setParameter('', 'version', DocBlox_Core_Abstract::VERSION);
// check parameters for variables and add them when found
$this->setProcessorParameters($transformation, $proc);
// if a query is given, then apply a transformation to the artifact
// location by replacing ($<var>} with the sluggified node-value of the
// search result
if ($transformation->getQuery() !== '') {
$xpath = new DOMXPath($transformation->getTransformer()->getSource());
$qry = $xpath->query($transformation->getQuery());
foreach ($qry as $element) {
$proc->setParameter('', $element->nodeName, $element->nodeValue);
$filename = str_replace('{$' . $element->nodeName . '}', $transformation->getTransformer()->generateFilename($element->nodeValue), $artifact);
$this->log('Processing the file: ' . $element->nodeValue . ' as ' . $filename);
$proc->transformToURI($structure, 'file://' . $filename);
}
} else {
if (substr($transformation->getArtifact(), 0, 1) == '$') {
// not a file, it must become a variable!
if (!isset($this->getConfig()->transformations->{'xsl.variables'})) {
$this->getConfig()->transformations->{'xsl-variables'} = new Zend_Config(array(), true);
}
$variable_name = substr($transformation->getArtifact(), 1);
$this->getConfig()->transformations->{'xsl-variables'}->{$variable_name} = $proc->transformToXml($structure);
} else {
$proc->transformToURI($structure, 'file://' . $artifact);
}
}
}
/**
* Generates a SVG Class Diagram at the given artifact location.
*
* @param DOMDocument $structure
* @param DocBlox_Transformer_Transformation $transformation
*
* @todo this method should be refactored into smaller components.
*
* @return void
*/
public function processClass(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
$filename = $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact();
// generate graphviz
$xpath = new DOMXPath($structure);
$qry = $xpath->query("/project/file/class|/project/file/interface");
$extend_classes = array();
$classes = array();
/** @var DOMElement $element */
foreach ($qry as $element) {
$extends = $element->getElementsByTagName('extends')->item(0)->nodeValue;
if (!$extends) {
$extends = 'stdClass';
}
if (!isset($extend_classes[$extends])) {
$extend_classes[$extends] = array();
}
$extend_classes[$extends][] = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
$classes[] = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
}
// find root nodes, (any class not found as extend)
foreach ($extend_classes as $extend => $class_list) {
if (!in_array($extend, $classes)) {
// if the extend is not in the list of classes (i.e. stdClass) then we have a root node
$root_nodes[] = $extend;
}
}
if (empty($root_nodes)) {
$this->log('No classes have been found, and therefore no class diagram is required', Zend_Log::INFO);
return;
}
// traverse root nodes upwards
$tree['stdClass'] = $this->buildTreenode($extend_classes);
foreach ($root_nodes as $node) {
if ($node === 'stdClass') {
continue;
}
if (!isset($tree['stdClass']['?'])) {
$tree['stdClass']['?'] = array();
}
$tree['stdClass']['?'][$node] = $this->buildTreenode($extend_classes, $node);
}
$graph = new Image_GraphViz(true, array('rankdir' => 'RL', 'splines' => true, 'concentrate' => 'true', 'ratio' => '0.9'), 'Classes');
$this->buildGraphNode($graph, $tree);
// disable E_STRICT reporting on the end to prevent PEAR from throwing Strict warnings.
$reporting = error_reporting();
error_reporting(error_reporting() & ~E_STRICT);
// render graph using Image_GraphViz
$dot_file = $graph->saveParsedGraph();
$graph->renderDotFile($dot_file, $filename);
error_reporting($reporting);
// add panning and zooming extension
$svg = simplexml_load_file($filename);
$script = $svg->addChild('script');
$script->addAttribute('xlink:href', 'js/SVGPan.js', 'http://www.w3.org/1999/xlink');
// for the SVGPan file to work no viewBox may be defined and the id of the first <g> node must be renamed to 'viewport'
unset($svg['viewBox']);
$svg->g['id'] = 'viewport';
// save a full version
// $svg->asXML(substr($filename, 0, -4) . '_full.svg');
// replace width and height with 100% on non-full version
// $svg['width'] = '100%';
// $svg['height'] = '100%';
$svg->asXML($filename);
}
/**
* Creates a class inheritance diagram.
*
* @param DOMDocument $structure
* @param DocBlox_Transformer_Transformation $transformation
*
* @return void
*/
public function processClass(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
$filename = $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact();
$graph = DocBlox_GraphViz_Graph::create()->setRankSep('1.0')->setCenter('true')->setRank('source')->setRankDir('RL')->setSplines('true')->setConcentrate('true');
$xpath = new DOMXPath($structure);
$qry = $xpath->query("/project/namespace");
/** @var DOMElement $element */
foreach ($qry as $element) {
$this->buildNamespaceTree($graph, $element, $xpath, '');
}
// link all extended relations
$qry = $xpath->query('/project/file/interface[extends]|/project/file/class[extends]');
/** @var DOMElement $element */
foreach ($qry as $element) {
$from_name = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
$to_name = $element->getElementsByTagName('extends')->item(0)->nodeValue;
if (!$to_name) {
continue;
}
$from = $graph->findNode(str_replace(array('\\', '$'), '_', $from_name));
$to = $graph->findNode(str_replace(array('\\', '$'), '_', $to_name));
if ($from === null) {
$from = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $from_name));
$from->setFontColor('gray');
$from->setLabel(addslashes($from_name));
$graph->setNode($from);
}
if ($to === null) {
$to = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $to_name));
$to->setFontColor('gray');
$to->setLabel(addslashes($to_name));
$graph->setNode($to);
}
$edge = DocBlox_GraphViz_Edge::create($from, $to);
$edge->setArrowHead('empty');
$graph->link($edge);
}
// link all implemented relations
$qry = $xpath->query('/project/file/interface[imports]|/project/file/class[implements]');
/** @var DOMElement $element */
foreach ($qry as $element) {
$from_name = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
foreach ($element->getElementsByTagName('implements') as $implements) {
$to_name = $implements->nodeValue;
if (!$to_name) {
continue;
}
$from = $graph->findNode(str_replace(array('\\', '$'), '_', $from_name));
$to = $graph->findNode(str_replace(array('\\', '$'), '_', $to_name));
if ($from === null) {
$from = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $from_name));
$from->setFontColor('gray');
$from->setLabel(addslashes($from_name));
$graph->setNode($from);
}
if ($to === null) {
$to = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $to_name));
$to->setFontColor('gray');
$to->setLabel(addslashes($to_name));
$graph->setNode($to);
}
$edge = DocBlox_GraphViz_Edge::create($from, $to);
$edge->setStyle('dotted');
$edge->setArrowHead('empty');
$graph->link($edge);
}
}
$graph->export('svg', $filename);
$svg = simplexml_load_file($filename);
$script = $svg->addChild('script');
$script->addAttribute('xlink:href', 'js/SVGPan.js', 'http://www.w3.org/1999/xlink');
// for the SVGPan file to work no viewBox may be defined and the id of the first <g> node must be renamed to 'viewport'
unset($svg['viewBox']);
$svg->g['id'] = 'viewport';
$svg->asXML($filename);
}
/**
* Creates the search index at the artifact location.
*
* @param DOMDocument $structure
* @param DocBlox_Transformer_Transformation $transformation
*
* @return void
*/
public function transform(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
$this->createXmlIndex($structure, $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact());
}
