function normalizeAttributes(PHPTAL_Dom_Element $element)
{
foreach ($element->getAttributeNodes() as $attrnode) {
if ($attrnode->getReplacedState() !== PHPTAL_Dom_Attr::NOT_REPLACED) {
continue;
}
$val = $this->normalizeSpace($attrnode->getValueEscaped(), $attrnode->getEncoding());
$attrnode->setValueEscaped(trim($val, ' '));
}
}
public function generateCode(PHPTAL_Dom_Element $treeGen)
{
$codewriter = new PHPTAL_Php_CodeWriter($this->_state);
$codewriter->doComment("\n*** DO NOT EDIT THIS FILE ***\n\nGenerated by PHPTAL from " . $this->_sourceFile . " (edit that file instead)");
$codewriter->doFunction($this->_functionName, '$tpl, $ctx');
$codewriter->setFunctionPrefix($this->_functionName . "_");
$codewriter->doSetVar('$_thistpl', '$tpl');
$codewriter->doSetVar('$_translator', '$tpl->getTranslator()');
$treeGen->generateCode($codewriter);
$codewriter->doEnd();
return $codewriter->getResult();
}
function filterDOM(PHPTAL_Dom_Element $element)
{
$defs = PHPTAL_Dom_Defs::getInstance();
foreach ($element->childNodes as $node) {
if ($node instanceof PHPTAL_Dom_Comment) {
if ($defs->isCDATAElementInHTML($element->getNamespaceURI(), $element->getLocalName())) {
$textNode = new PHPTAL_Dom_CDATASection($node->getValueEscaped(), $node->getEncoding());
$node->parentNode->replaceChild($textNode, $node);
} else {
$node->parentNode->removeChild($node);
}
} else {
if ($node instanceof PHPTAL_Dom_Element) {
$this->filterDOM($node);
}
}
}
}
public function generateCode(PHPTAL_Php_CodeWriter $codewriter)
{
// For backwards compatibility only!
self::$_codewriter_bc_hack_ = $codewriter;
// FIXME
try {
/// self-modifications
if ($codewriter->getOutputMode() === PHPTAL::XHTML) {
$this->replaceTextWithCDATA();
}
/// code generation
if ($this->getSourceLine()) {
$codewriter->doComment('tag "' . $this->qualifiedName . '" from line ' . $this->getSourceLine());
}
$this->generateSurroundHead($codewriter);
if (count($this->replaceAttributes)) {
foreach ($this->replaceAttributes as $att) {
$att->before($codewriter);
$att->after($codewriter);
}
} elseif (!$this->hidden) {
// a surround tag may decide to hide us (tal:define for example)
$this->generateHead($codewriter);
$this->generateContent($codewriter);
$this->generateFoot($codewriter);
}
$this->generateSurroundFoot($codewriter);
} catch (PHPTAL_TemplateException $e) {
$e->hintSrcPosition($this->getSourceFile(), $this->getSourceLine());
throw $e;
}
}
/**
* @param bool $is_nested_in_repeat true if any parent element has tal:repeat
*
* @return rough guess
*/
private function estimateNumberOfBytesOutput(PHPTAL_Dom_Element $element, $is_nested_in_repeat)
{
// macros don't output anything on their own
if ($element->hasAttributeNS('http://xml.zope.org/namespaces/metal', 'define-macro')) {
return 0;
}
$estimated_bytes = 2 * (3 + strlen($element->getQualifiedName()));
foreach ($element->getAttributeNodes() as $attr) {
$estimated_bytes += 4 + strlen($attr->getQualifiedName());
if ($attr->getReplacedState() === PHPTAL_Dom_Attr::NOT_REPLACED) {
$estimated_bytes += strlen($attr->getValueEscaped());
// this is shoddy for replaced attributes
}
}
$has_repeat_attr = $element->hasAttributeNS('http://xml.zope.org/namespaces/tal', 'repeat');
if ($element->hasAttributeNS('http://xml.zope.org/namespaces/tal', 'content') || $element->hasAttributeNS('http://xml.zope.org/namespaces/tal', 'replace')) {
// assume that output in loops is shorter (e.g. table rows) than outside (main content)
$estimated_bytes += $has_repeat_attr || $is_nested_in_repeat ? 500 : 2000;
} else {
foreach ($element->childNodes as $node) {
if ($node instanceof PHPTAL_Dom_Element) {
$estimated_bytes += $this->estimateNumberOfBytesOutput($node, $has_repeat_attr || $is_nested_in_repeat);
} else {
$estimated_bytes += strlen($node->getValueEscaped());
}
}
}
if ($element->hasAttributeNS('http://xml.zope.org/namespaces/metal', 'use-macro')) {
$estimated_bytes += $has_repeat_attr || $is_nested_in_repeat ? 500 : 2000;
}
if ($element->hasAttributeNS('http://xml.zope.org/namespaces/tal', 'condition')) {
$estimated_bytes /= 2;
// naively assuming 50% chance, that works well with if/else pattern
}
if ($element->hasAttributeNS('http://xml.zope.org/namespaces/tal', 'repeat')) {
// assume people don't write big nested loops
$estimated_bytes *= $is_nested_in_repeat ? 5 : 10;
}
return $estimated_bytes;
}
public function doTemplateFile($functionName, PHPTAL_Dom_Element $treeGen)
{
$this->doComment("\n*** DO NOT EDIT THIS FILE ***\n\nGenerated by PHPTAL from " . $treeGen->getSourceFile() . " (edit that file instead)");
$this->doFunction($functionName, 'PHPTAL $tpl, PHPTAL_Context $ctx');
$this->setFunctionPrefix($functionName . "_");
$this->doSetVar('$_thistpl', '$tpl');
$this->doInitTranslator();
$treeGen->generateCode($this);
$this->doComment("end");
$this->doEnd('function');
}
/**
* HTML5 doesn't care about boilerplate
*/
private function elementSpecificOptimizations(PHPTAL_Dom_Element $element)
{
if ($element->getNamespaceURI() !== 'http://www.w3.org/1999/xhtml' && $element->getNamespaceURI() !== '') {
return;
}
if ($this->getPHPTAL()->getOutputMode() !== PHPTAL::HTML5) {
return;
}
// <meta charset>
if ('meta' === $element->getLocalName() && $element->getAttributeNS('', 'http-equiv') === 'Content-Type') {
$element->removeAttributeNS('', 'http-equiv');
$element->removeAttributeNS('', 'content');
$element->setAttributeNS('', 'charset', strtolower($this->getPHPTAL()->getEncoding()));
} elseif ('link' === $element->getLocalName() && $element->getAttributeNS('', 'rel') === 'stylesheet' || 'style' === $element->getLocalName()) {
// There's only one type of stylesheets that works.
$element->removeAttributeNS('', 'type');
} elseif ('script' === $element->getLocalName()) {
$element->removeAttributeNS('', 'language');
// Only remove type that matches default. E4X, vbscript, coffeescript, etc. must be preserved
$type = $element->getAttributeNS('', 'type');
$is_std = preg_match('/^(?:text|application)\\/(?:ecma|java)script(\\s*;\\s*charset\\s*=\\s*[^;]*)?$/', $type);
// Remote scripts should have type specified in HTTP headers.
if ($is_std || $element->getAttributeNS('', 'src')) {
$element->removeAttributeNS('', 'type');
}
}
}
public function onElementStart($name, $attributes)
{
$this->_xmlns = PHPTAL_Dom_XmlnsState::newElement($this->_xmlns, $attributes);
foreach ($attributes as $key => $value) {
if (!$this->_xmlns->isValidAttribute($key)) {
$this->raiseError(self::ERR_UNSUPPORTED_ATTRIBUTE, $key);
}
}
$node = new PHPTAL_Dom_Element($name, $attributes);
$node->setXmlnsState($this->getXmlnsState());
$this->pushNode($node);
array_push($this->_stack, $this->_current);
$this->_current = $node;
}
