Revision 1852
Added by darkviper almost 12 years ago
| Parser.php | ||
|---|---|---|
| 29 | 29 |
protected $macros; |
| 30 | 30 |
protected $env; |
| 31 | 31 |
protected $reservedMacroNames; |
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protected $importedFunctions; |
|
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protected $tmpVarCount; |
|
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protected $importedSymbols; |
|
| 34 | 33 |
protected $traits; |
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protected $embeddedTemplates = array(); |
|
| 35 | 35 |
|
| 36 | 36 |
/** |
| 37 | 37 |
* Constructor. |
| ... | ... | |
| 50 | 50 |
|
| 51 | 51 |
public function getVarName() |
| 52 | 52 |
{
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return sprintf('__internal_%s_%d', substr($this->env->getTemplateClass($this->stream->getFilename()), strlen($this->env->getTemplateClassPrefix())), ++$this->tmpVarCount);
|
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return sprintf('__internal_%s', hash('sha1', uniqid(mt_rand(), true), false));
|
|
| 54 | 54 |
} |
| 55 | 55 |
|
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public function getFilename() |
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{
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return $this->stream->getFilename(); |
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} |
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|
|
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/** |
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* Converts a token stream to a node tree. |
| 58 | 63 |
* |
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* @param Twig_TokenStream $stream A token stream instance
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* @param Twig_TokenStream $stream A token stream instance |
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* |
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* @return Twig_Node_Module A node tree |
| 62 | 67 |
*/ |
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public function parse(Twig_TokenStream $stream) |
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public function parse(Twig_TokenStream $stream, $test = null, $dropNeedle = false)
|
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{
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// push all variables into the stack to keep the current state of the parser |
| 66 | 71 |
$vars = get_object_vars($this); |
| 67 | 72 |
unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser']); |
| 68 | 73 |
$this->stack[] = $vars; |
| 69 | 74 |
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$this->tmpVarCount = 0; |
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|
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// tag handlers |
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if (null === $this->handlers) {
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$this->handlers = $this->env->getTokenParsers(); |
| ... | ... | |
| 90 | 93 |
$this->macros = array(); |
| 91 | 94 |
$this->traits = array(); |
| 92 | 95 |
$this->blockStack = array(); |
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$this->importedFunctions = array(array()); |
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$this->importedSymbols = array(array()); |
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$this->embeddedTemplates = array(); |
|
| 94 | 98 |
|
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try {
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$body = $this->subparse(null);
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$body = $this->subparse($test, $dropNeedle);
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| 97 | 101 |
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| 98 | 102 |
if (null !== $this->parent) {
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| 99 | 103 |
if (null === $body = $this->filterBodyNodes($body)) {
|
| ... | ... | |
| 101 | 105 |
} |
| 102 | 106 |
} |
| 103 | 107 |
} catch (Twig_Error_Syntax $e) {
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if (null === $e->getTemplateFile()) {
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$e->setTemplateFile($this->stream->getFilename());
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if (!$e->getTemplateFile()) {
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$e->setTemplateFile($this->getFilename()); |
|
| 106 | 110 |
} |
| 107 | 111 |
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if (!$e->getTemplateLine()) {
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$e->setTemplateLine($this->stream->getCurrent()->getLine()); |
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} |
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throw $e; |
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} |
| 110 | 118 |
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$node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->stream->getFilename());
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$node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->embeddedTemplates, $this->getFilename());
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| 112 | 120 |
|
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$traverser = new Twig_NodeTraverser($this->env, $this->visitors); |
| 114 | 122 |
|
| ... | ... | |
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$token = $this->getCurrentToken(); |
| 146 | 154 |
|
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if ($token->getType() !== Twig_Token::NAME_TYPE) {
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throw new Twig_Error_Syntax('A block must start with a tag name', $token->getLine(), $this->stream->getFilename());
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throw new Twig_Error_Syntax('A block must start with a tag name', $token->getLine(), $this->getFilename());
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} |
| 150 | 158 |
|
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if (null !== $test && call_user_func($test, $token)) {
|
| ... | ... | |
| 163 | 171 |
$subparser = $this->handlers->getTokenParser($token->getValue()); |
| 164 | 172 |
if (null === $subparser) {
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if (null !== $test) {
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throw new Twig_Error_Syntax(sprintf('Unexpected tag name "%s" (expecting closing tag for the "%s" tag defined near line %s)', $token->getValue(), $test[0]->getTag(), $lineno), $token->getLine(), $this->stream->getFilename());
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$error = sprintf('Unexpected tag name "%s"', $token->getValue());
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if (is_array($test) && isset($test[0]) && $test[0] instanceof Twig_TokenParserInterface) {
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$error .= sprintf(' (expecting closing tag for the "%s" tag defined near line %s)', $test[0]->getTag(), $lineno);
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} |
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throw new Twig_Error_Syntax($error, $token->getLine(), $this->getFilename()); |
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} |
| 168 | 181 |
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$message = sprintf('Unknown tag name "%s"', $token->getValue());
|
| ... | ... | |
| 171 | 184 |
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
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} |
| 173 | 186 |
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throw new Twig_Error_Syntax($message, $token->getLine(), $this->stream->getFilename());
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throw new Twig_Error_Syntax($message, $token->getLine(), $this->getFilename()); |
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} |
| 176 | 189 |
|
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$this->stream->next(); |
| ... | ... | |
| 183 | 196 |
break; |
| 184 | 197 |
|
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default: |
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throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', -1, $this->stream->getFilename());
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throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', 0, $this->getFilename());
|
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| 187 | 200 |
} |
| 188 | 201 |
} |
| 189 | 202 |
|
| ... | ... | |
| 255 | 268 |
} |
| 256 | 269 |
|
| 257 | 270 |
if (in_array($name, $this->reservedMacroNames)) {
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throw new Twig_Error_Syntax(sprintf('"%s" cannot be used as a macro name as it is a reserved keyword', $name), $node->getLine());
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throw new Twig_Error_Syntax(sprintf('"%s" cannot be used as a macro name as it is a reserved keyword', $name), $node->getLine(), $this->getFilename());
|
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| 259 | 272 |
} |
| 260 | 273 |
|
| 261 | 274 |
$this->macros[$name] = $node; |
| ... | ... | |
| 271 | 284 |
return count($this->traits) > 0; |
| 272 | 285 |
} |
| 273 | 286 |
|
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public function addImportedFunction($alias, $name, Twig_Node_Expression $node)
|
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public function embedTemplate(Twig_Node_Module $template)
|
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{
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$this->importedFunctions[0][$alias] = array('name' => $name, 'node' => $node);
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$template->setIndex(mt_rand()); |
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$this->embeddedTemplates[] = $template; |
|
| 277 | 292 |
} |
| 278 | 293 |
|
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public function getImportedFunction($alias)
|
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public function addImportedSymbol($type, $alias, $name = null, Twig_Node_Expression $node = null)
|
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{
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foreach ($this->importedFunctions as $functions) {
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| 282 |
if (isset($functions[$alias])) {
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return $functions[$alias]; |
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$this->importedSymbols[0][$type][$alias] = array('name' => $name, 'node' => $node);
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} |
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|
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public function getImportedSymbol($type, $alias) |
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{
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foreach ($this->importedSymbols as $functions) {
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if (isset($functions[$type][$alias])) {
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return $functions[$type][$alias]; |
|
| 284 | 304 |
} |
| 285 | 305 |
} |
| 286 | 306 |
} |
| 287 | 307 |
|
| 288 | 308 |
public function isMainScope() |
| 289 | 309 |
{
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return 1 === count($this->importedFunctions);
|
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return 1 === count($this->importedSymbols);
|
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| 291 | 311 |
} |
| 292 | 312 |
|
| 293 | 313 |
public function pushLocalScope() |
| 294 | 314 |
{
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array_unshift($this->importedFunctions, array());
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array_unshift($this->importedSymbols, array());
|
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} |
| 297 | 317 |
|
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public function popLocalScope() |
| 299 | 319 |
{
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array_shift($this->importedFunctions);
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array_shift($this->importedSymbols);
|
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| 301 | 321 |
} |
| 302 | 322 |
|
| 303 | 323 |
/** |
| ... | ... | |
| 349 | 369 |
(!$node instanceof Twig_Node_Text && !$node instanceof Twig_Node_BlockReference && $node instanceof Twig_NodeOutputInterface) |
| 350 | 370 |
) {
|
| 351 | 371 |
if (false !== strpos((string) $node, chr(0xEF).chr(0xBB).chr(0xBF))) {
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throw new Twig_Error_Syntax('A template that extends another one cannot have a body but a byte order mark (BOM) has been detected; it must be removed.', $node->getLine(), $this->stream->getFilename());
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throw new Twig_Error_Syntax('A template that extends another one cannot have a body but a byte order mark (BOM) has been detected; it must be removed.', $node->getLine(), $this->getFilename());
|
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| 353 | 373 |
} |
| 354 | 374 |
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throw new Twig_Error_Syntax('A template that extends another one cannot have a body.', $node->getLine(), $this->stream->getFilename());
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throw new Twig_Error_Syntax('A template that extends another one cannot have a body.', $node->getLine(), $this->getFilename());
|
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} |
| 357 | 377 |
|
| 358 | 378 |
// bypass "set" nodes as they "capture" the output |
Also available in: Unified diff
updated Twig template engine to stable version 1.11.1 step2