--- /dev/null
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a module node.
+ *
+ * Consider this class as being final. If you need to customize the behavior of
+ * the generated class, consider adding nodes to the following nodes: display_start,
+ * display_end, constructor_start, constructor_end, and class_end.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Module extends Twig_Node
+{
+ private $source;
+
+ public function __construct(Twig_NodeInterface $body, Twig_Node_Expression $parent = null, Twig_NodeInterface $blocks, Twig_NodeInterface $macros, Twig_NodeInterface $traits, $embeddedTemplates, $name, $source = '')
+ {
+ if (!$name instanceof Twig_Source) {
+ @trigger_error(sprintf('Passing a string as the $name argument of %s() is deprecated since version 1.27. Pass a Twig_Source instance instead.', __METHOD__), E_USER_DEPRECATED);
+ $this->source = new Twig_Source($source, $name);
+ } else {
+ $this->source = $name;
+ }
+
+ $nodes = array(
+ 'body' => $body,
+ 'blocks' => $blocks,
+ 'macros' => $macros,
+ 'traits' => $traits,
+ 'display_start' => new Twig_Node(),
+ 'display_end' => new Twig_Node(),
+ 'constructor_start' => new Twig_Node(),
+ 'constructor_end' => new Twig_Node(),
+ 'class_end' => new Twig_Node(),
+ );
+ if (null !== $parent) {
+ $nodes['parent'] = $parent;
+ }
+
+ // embedded templates are set as attributes so that they are only visited once by the visitors
+ parent::__construct($nodes, array(
+ // source to be remove in 2.0
+ 'source' => $this->source->getCode(),
+ // filename to be remove in 2.0 (use getTemplateName() instead)
+ 'filename' => $this->source->getName(),
+ 'index' => null,
+ 'embedded_templates' => $embeddedTemplates,
+ ), 1);
+
+ // populate the template name of all node children
+ $this->setTemplateName($this->source->getName());
+ }
+
+ public function setIndex($index)
+ {
+ $this->setAttribute('index', $index);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $this->compileTemplate($compiler);
+
+ foreach ($this->getAttribute('embedded_templates') as $template) {
+ $compiler->subcompile($template);
+ }
+ }
+
+ protected function compileTemplate(Twig_Compiler $compiler)
+ {
+ if (!$this->getAttribute('index')) {
+ $compiler->write('<?php');
+ }
+
+ $this->compileClassHeader($compiler);
+
+ if (
+ count($this->getNode('blocks'))
+ || count($this->getNode('traits'))
+ || !$this->hasNode('parent')
+ || $this->getNode('parent') instanceof Twig_Node_Expression_Constant
+ || count($this->getNode('constructor_start'))
+ || count($this->getNode('constructor_end'))
+ ) {
+ $this->compileConstructor($compiler);
+ }
+
+ $this->compileGetParent($compiler);
+
+ $this->compileDisplay($compiler);
+
+ $compiler->subcompile($this->getNode('blocks'));
+
+ $this->compileMacros($compiler);
+
+ $this->compileGetTemplateName($compiler);
+
+ $this->compileIsTraitable($compiler);
+
+ $this->compileDebugInfo($compiler);
+
+ $this->compileGetSource($compiler);
+
+ $this->compileGetSourceContext($compiler);
+
+ $this->compileClassFooter($compiler);
+ }
+
+ protected function compileGetParent(Twig_Compiler $compiler)
+ {
+ if (!$this->hasNode('parent')) {
+ return;
+ }
+ $parent = $this->getNode('parent');
+
+ $compiler
+ ->write("protected function doGetParent(array \$context)\n", "{\n")
+ ->indent()
+ ->addDebugInfo($parent)
+ ->write('return ')
+ ;
+
+ if ($parent instanceof Twig_Node_Expression_Constant) {
+ $compiler->subcompile($parent);
+ } else {
+ $compiler
+ ->raw('$this->loadTemplate(')
+ ->subcompile($parent)
+ ->raw(', ')
+ ->repr($this->source->getName())
+ ->raw(', ')
+ ->repr($parent->getTemplateLine())
+ ->raw(')')
+ ;
+ }
+
+ $compiler
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassHeader(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("\n\n")
+ // if the template name contains */, add a blank to avoid a PHP parse error
+ ->write('/* '.str_replace('*/', '* /', $this->source->getName())." */\n")
+ ->write('class '.$compiler->getEnvironment()->getTemplateClass($this->source->getName(), $this->getAttribute('index')))
+ ->raw(sprintf(" extends %s\n", $compiler->getEnvironment()->getBaseTemplateClass()))
+ ->write("{\n")
+ ->indent()
+ ;
+ }
+
+ protected function compileConstructor(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function __construct(Twig_Environment \$env)\n", "{\n")
+ ->indent()
+ ->subcompile($this->getNode('constructor_start'))
+ ->write("parent::__construct(\$env);\n\n")
+ ;
+
+ // parent
+ if (!$this->hasNode('parent')) {
+ $compiler->write("\$this->parent = false;\n\n");
+ } elseif (($parent = $this->getNode('parent')) && $parent instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->addDebugInfo($parent)
+ ->write('$this->parent = $this->loadTemplate(')
+ ->subcompile($parent)
+ ->raw(', ')
+ ->repr($this->source->getName())
+ ->raw(', ')
+ ->repr($parent->getTemplateLine())
+ ->raw(");\n")
+ ;
+ }
+
+ $countTraits = count($this->getNode('traits'));
+ if ($countTraits) {
+ // traits
+ foreach ($this->getNode('traits') as $i => $trait) {
+ $this->compileLoadTemplate($compiler, $trait->getNode('template'), sprintf('$_trait_%s', $i));
+
+ $compiler
+ ->addDebugInfo($trait->getNode('template'))
+ ->write(sprintf("if (!\$_trait_%s->isTraitable()) {\n", $i))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Template \"'.")
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'\" cannot be used as a trait.');\n")
+ ->outdent()
+ ->write("}\n")
+ ->write(sprintf("\$_trait_%s_blocks = \$_trait_%s->getBlocks();\n\n", $i, $i))
+ ;
+
+ foreach ($trait->getNode('targets') as $key => $value) {
+ $compiler
+ ->write(sprintf('if (!isset($_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw("])) {\n")
+ ->indent()
+ ->write("throw new Twig_Error_Runtime(sprintf('Block ")
+ ->string($key)
+ ->raw(' is not defined in trait ')
+ ->subcompile($trait->getNode('template'))
+ ->raw(".'));\n")
+ ->outdent()
+ ->write("}\n\n")
+
+ ->write(sprintf('$_trait_%s_blocks[', $i))
+ ->subcompile($value)
+ ->raw(sprintf('] = $_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw(sprintf(']; unset($_trait_%s_blocks[', $i))
+ ->string($key)
+ ->raw("]);\n\n")
+ ;
+ }
+ }
+
+ if ($countTraits > 1) {
+ $compiler
+ ->write("\$this->traits = array_merge(\n")
+ ->indent()
+ ;
+
+ for ($i = 0; $i < $countTraits; ++$i) {
+ $compiler
+ ->write(sprintf('$_trait_%s_blocks'.($i == $countTraits - 1 ? '' : ',')."\n", $i))
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->traits = \$_trait_0_blocks;\n\n")
+ ;
+ }
+
+ $compiler
+ ->write("\$this->blocks = array_merge(\n")
+ ->indent()
+ ->write("\$this->traits,\n")
+ ->write("array(\n")
+ ;
+ } else {
+ $compiler
+ ->write("\$this->blocks = array(\n")
+ ;
+ }
+
+ // blocks
+ $compiler
+ ->indent()
+ ;
+
+ foreach ($this->getNode('blocks') as $name => $node) {
+ $compiler
+ ->write(sprintf("'%s' => array(\$this, 'block_%s'),\n", $name, $name))
+ ;
+ }
+
+ if ($countTraits) {
+ $compiler
+ ->outdent()
+ ->write(")\n")
+ ;
+ }
+
+ $compiler
+ ->outdent()
+ ->write(");\n")
+ ->outdent()
+ ->subcompile($this->getNode('constructor_end'))
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDisplay(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("protected function doDisplay(array \$context, array \$blocks = array())\n", "{\n")
+ ->indent()
+ ->subcompile($this->getNode('display_start'))
+ ->subcompile($this->getNode('body'))
+ ;
+
+ if ($this->hasNode('parent')) {
+ $parent = $this->getNode('parent');
+ $compiler->addDebugInfo($parent);
+ if ($parent instanceof Twig_Node_Expression_Constant) {
+ $compiler->write('$this->parent');
+ } else {
+ $compiler->write('$this->getParent($context)');
+ }
+ $compiler->raw("->display(\$context, array_merge(\$this->blocks, \$blocks));\n");
+ }
+
+ $compiler
+ ->subcompile($this->getNode('display_end'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileClassFooter(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->subcompile($this->getNode('class_end'))
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileMacros(Twig_Compiler $compiler)
+ {
+ $compiler->subcompile($this->getNode('macros'));
+ }
+
+ protected function compileGetTemplateName(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getTemplateName()\n", "{\n")
+ ->indent()
+ ->write('return ')
+ ->repr($this->source->getName())
+ ->raw(";\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileIsTraitable(Twig_Compiler $compiler)
+ {
+ // A template can be used as a trait if:
+ // * it has no parent
+ // * it has no macros
+ // * it has no body
+ //
+ // Put another way, a template can be used as a trait if it
+ // only contains blocks and use statements.
+ $traitable = !$this->hasNode('parent') && 0 === count($this->getNode('macros'));
+ if ($traitable) {
+ if ($this->getNode('body') instanceof Twig_Node_Body) {
+ $nodes = $this->getNode('body')->getNode(0);
+ } else {
+ $nodes = $this->getNode('body');
+ }
+
+ if (!count($nodes)) {
+ $nodes = new Twig_Node(array($nodes));
+ }
+
+ foreach ($nodes as $node) {
+ if (!count($node)) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
+ continue;
+ }
+
+ if ($node instanceof Twig_Node_BlockReference) {
+ continue;
+ }
+
+ $traitable = false;
+ break;
+ }
+ }
+
+ if ($traitable) {
+ return;
+ }
+
+ $compiler
+ ->write("public function isTraitable()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", $traitable ? 'true' : 'false'))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileDebugInfo(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getDebugInfo()\n", "{\n")
+ ->indent()
+ ->write(sprintf("return %s;\n", str_replace("\n", '', var_export(array_reverse($compiler->getDebugInfo(), true), true))))
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileGetSource(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("/** @deprecated since 1.27 (to be removed in 2.0). Use getSourceContext() instead */\n")
+ ->write("public function getSource()\n", "{\n")
+ ->indent()
+ ->write("@trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use getSourceContext() instead.', E_USER_DEPRECATED);\n\n")
+ ->write('return $this->getSourceContext()->getCode();')
+ ->raw("\n")
+ ->outdent()
+ ->write("}\n\n")
+ ;
+ }
+
+ protected function compileGetSourceContext(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->write("public function getSourceContext()\n", "{\n")
+ ->indent()
+ ->write('return new Twig_Source(')
+ ->string($compiler->getEnvironment()->isDebug() ? $this->source->getCode() : '')
+ ->raw(', ')
+ ->string($this->source->getName())
+ ->raw(', ')
+ ->string($this->source->getPath())
+ ->raw(");\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+
+ protected function compileLoadTemplate(Twig_Compiler $compiler, $node, $var)
+ {
+ if ($node instanceof Twig_Node_Expression_Constant) {
+ $compiler
+ ->write(sprintf('%s = $this->loadTemplate(', $var))
+ ->subcompile($node)
+ ->raw(', ')
+ ->repr($node->getTemplateName())
+ ->raw(', ')
+ ->repr($node->getTemplateLine())
+ ->raw(");\n")
+ ;
+ } else {
+ throw new LogicException('Trait templates can only be constant nodes.');
+ }
+ }
+}
projects / yaffs-website / blobdiff