/**
* Compile the attribute value into it's PHP code.
*
* @param ExpressCompiler $compiler
* @param integer $flags Raw mode is used when the element is going to be morphed from a TagBuilder.
*/
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
if ($flags & self::FLAG_RAW) {
if (empty($this->childNodes)) {
$compiler->write("''");
} else {
$compiler->write('(');
foreach ($this->childNodes as $i => $node) {
if ($i > 0) {
$compiler->write(' . ');
}
$node->compile($compiler, self::FLAG_RAW);
}
$compiler->write(')');
}
} else {
foreach ($this->childNodes as $node) {
$node->compile($compiler);
}
}
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
throw new ExpressViewException(sprintf('Unable to compile attribute "%s"', $this->name), $compiler->getResource(), $this->line, $e);
}
}
public function getHelper(ExpressCompiler $compiler)
{
if ($this->helper === NULL) {
$this->helper = $compiler->getHelper($this->namespace, $this->name);
}
return $this->helper;
}
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
$sub = $compiler->createCompiler();
foreach ($this->childNodes as $node) {
$node->compile($sub);
}
$compiler->writeBlock($this->name, $sub);
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
throw new ExpressViewException(sprintf('Unable to compile block "%s"', $this->name), $compiler->getResource(), $this->line, $e);
}
}
/**
* Compiles the text node into it's PHP code.
*
* @param ExpressCompiler $compiler
* @param integer $flags Raw mode is used when an element is morphed using a tag builder.
*/
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
if ($flags & self::FLAG_RAW) {
$compiler->write(var_export($this->text, true));
} else {
// Using ENT_COMPAT due to Knockout JS (and others) data binding, this is not risky
// in Express-parsed attribute values due to the fact that all attribute values
// are normalized to be quoted using double quotes.
$compiler->out(htmlspecialchars($this->text, ENT_COMPAT | ENT_XML1 | ENT_SUBSTITUTE, 'UTF-8'));
}
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
throw new ExpressViewException('Unable to compile text node', $compiler->getResource(), $this->line, $e);
}
}
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
$compiler->setExtends($this->extends);
foreach ($this->childNodes as $node) {
$node->compile($compiler);
}
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
if ($this->extends === NULL) {
throw new ExpressViewException(sprintf('Unable to compile express view'), '', $this->line, $e);
}
$extends = '';
foreach ($this->extends as $node) {
if ($node instanceof ExpressionNode) {
$extends .= $node->getExpression();
} elseif ($node instanceof TextNode) {
$extends .= $node->getText();
}
}
throw new ExpressViewException(sprintf('Unable to compile express composition extending "%s"', $extends), $compiler->getResource(), $this->line, $e);
}
}
/**
* Compile the given XML source and return a compiler object.
*
* @param string $data
* @return ExpressCompiler
*/
protected function parseView(ExpressViewRenderer $renderer, $data, $resource = '')
{
try {
// This ugly pre-processing is neccessary due to DOM XML forgetting about self-closing elements.
$reader = new XmlStreamReader();
$reader->XML($data);
$buffer = '<?xml version="1.0"?>' . "\n";
while ($reader->read()) {
switch ($reader->nodeType) {
case XmlStreamReader::ELEMENT:
$buffer .= '<' . $reader->name;
$namespaces = [];
while ($reader->moveToNextAttribute()) {
if ($reader->namespaceURI == self::NS_XML) {
switch ($reader->localName) {
case 'nsdec':
case 'empty':
continue 2;
}
}
if ($reader->namespaceURI == self::NS_XMLNS) {
$namespaces[$reader->name] = $reader->value;
}
$buffer .= ' ' . $reader->name . '="' . htmlspecialchars($reader->value, ENT_COMPAT | ENT_XML1 | ENT_SUBSTITUTE, 'UTF-8') . '"';
}
$reader->moveToElement();
if (!empty($namespaces)) {
$encoded = base64_encode(json_encode($namespaces, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
$buffer .= ' xml:nsdec="' . htmlspecialchars($encoded, ENT_QUOTES | ENT_XML1 | ENT_SUBSTITUTE, 'UTF-8') . '"';
}
if ($reader->isEmptyElement) {
$buffer .= ' xml:empty="" />';
} else {
$buffer .= '>';
}
break;
case XmlStreamReader::END_ELEMENT:
$buffer .= '</' . $reader->name . '>';
break;
case XmlStreamReader::SIGNIFICANT_WHITESPACE:
case XmlStreamReader::TEXT:
case XmlStreamReader::WHITESPACE:
$buffer .= htmlspecialchars($reader->value, ENT_QUOTES | ENT_XML1 | ENT_SUBSTITUTE, 'UTF-8');
break;
}
}
// Parse XML buffer into a DOM document.
$builder = new XmlDocumentBuilder();
$xml = $builder->buildFromSource($buffer);
$compiler = new ExpressCompiler($renderer);
$compiler->setResource($resource);
$parser = new ExpressViewParser();
$view = $parser->parseSource($xml);
$view->compile($compiler);
return $compiler;
} catch (\Exception $e) {
$ex = $e;
do {
if ($ex instanceof ExpressViewException) {
if ($ex->getErrorFile() === NULL) {
$ex->setErrorFile($resource);
}
}
} while ($ex = $ex->getPrevious());
throw $e;
}
}
/**
* Compiles an expression into PHP code.
*
* @param ExpressCompiler $compiler
* @param integer $flags Raw mode is active when an element is morphed from a TagBuilder.
*/
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
if ($flags & self::FLAG_RAW) {
$compiler->write($this->expression->compile($compiler->getExpressionContextFactory(), false, '$this->exp'));
} else {
$compiler->write("\t\ttry {\n");
if ($this->stringify) {
if ($this->expression->hasPipedFilter('raw')) {
$contents = '$out->write(' . $this->expression->compile($compiler->getExpressionContextFactory(), false, '$this->exp') . ');';
} else {
$contents = '$out->writeEscaped(' . $this->expression->compile($compiler->getExpressionContextFactory(), false, '$this->exp') . ');';
}
} else {
$contents = 'return ' . $this->expression->compile($compiler->getExpressionContextFactory(), false, $this->exp) . ';';
}
$compiler->write("\t\t" . $contents . "\n");
$compiler->write("\t\t} catch(ExpressViewException \$ex) {\n");
$compiler->write("\t\t\tthrow \$ex;\n");
$compiler->write("\t\t} catch(\\Exception \$ex) {\n");
$compiler->write("\t\t\tthrow new ExpressViewException(");
$compiler->write(var_export('Error during evaluation of expression "' . $this->expression . '"', true));
$compiler->write(", \$this->getResource(), {$this->line}, \$ex);\n");
$compiler->write("\t\t}\n");
}
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
throw new ExpressViewException(sprintf('Unable to compile expression "%s"', $this->expression), $compiler->getResource(), $this->line, $e);
}
}
public function compile(ExpressCompiler $compiler, $flags = 0)
{
try {
$id = $compiler->nextId();
$compiler->write("\t\ttry {\n");
$compiler->write("\t\t\$dec{$id} = new DecoratedTemplate(\$this->factory, \$this->renderer);\n");
$compiler->write("\t\t\$dec" . $id . "->bindOuterContext(\$this->context, \$this->exp);\n");
$compiler->write("\t\t\$dec" . $id . "->setResource(\$this->resolveResource(");
$view = '';
foreach ($this->view as $i => $node) {
if ($i != 0) {
$compiler->write(' . ');
}
$node->compile($compiler, self::FLAG_RAW);
if ($node instanceof TextNode) {
$view .= $node->getText();
} elseif ($node instanceof ExpressionNode) {
$view .= $node->getExpression();
}
}
$compiler->write("));\n");
$compiler->write("\t\t\$dec" . $id . "->setBlocks([");
$num = 0;
foreach ($this->childNodes as $node) {
if (!$node instanceof BlockNode) {
if ($node instanceof TextNode || trim($node->getText()) == '') {
continue;
}
throw new \InvalidArgumentException('Decorators must only habe child elements of type "block"');
}
if ($num++ != 0) {
$compiler->write(",\n");
}
$compiler->write(var_export($node->getName(), true) . ' => function(OutputBuffer $out) { ' . "\n");
foreach ($node->getChildNodes() as $childNode) {
$childNode->compile($compiler);
}
$compiler->write("\t\t}");
}
$compiler->write("]);\n");
$compiler->write("\t\t} catch(ExpressViewException \$ex) {\n");
$compiler->write("\t\t\tthrow \$ex;\n");
$compiler->write("\t\t} catch(\\Exception \$ex) {\n");
$compiler->write("\t\t\tthrow new ExpressViewException(");
$compiler->write(var_export(sprintf('Unable to create decorator for view "%s"', $view), true));
$compiler->write(", \$this->getResource(), {$this->line}, \$ex);\n");
$compiler->write("\t\t}\n");
if (!($flags & self::FLAG_NO_OUTPUT)) {
$compiler->write("\t\ttry {\n");
$compiler->write("\t\t\$dec" . $id . "->__invoke(\$out);\n");
$compiler->write("\t\t} catch(ExpressViewException \$ex) {\n");
$compiler->write("\t\t\tthrow \$ex;\n");
$compiler->write("\t\t} catch(\\Exception \$ex) {\n");
$compiler->write("\t\t\tthrow new ExpressViewException(");
$compiler->write(var_export(sprintf('Unable to invoke decorator for view "%s"', $view), true));
$compiler->write(", \$this->getResource(), {$this->line}, \$ex);\n");
$compiler->write("\t\t}\n");
}
return '$dec' . $id;
} catch (ExpressViewException $e) {
throw $e;
} catch (\Exception $e) {
throw new ExpressViewException('Unable to compile decorator node', $compiler->getResource(), $this->line, $e);
}
}
