[7265] | 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | * This file is part of the Assetic package, an OpenSky project. |
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| 5 | * |
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| 6 | * (c) 2010-2012 OpenSky Project Inc |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |
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| 12 | namespace Assetic\Extension\Twig; |
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| 13 | |
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| 14 | use Assetic\Asset\AssetInterface; |
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| 15 | |
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| 16 | class AsseticNode extends \Twig_Node |
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| 17 | { |
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| 18 | /** |
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| 19 | * Constructor. |
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| 20 | * |
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| 21 | * Available attributes: |
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| 22 | * |
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| 23 | * * debug: The debug mode |
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| 24 | * * combine: Whether to combine assets |
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| 25 | * * var_name: The name of the variable to expose to the body node |
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| 26 | * |
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| 27 | * @param AssetInterface $asset The asset |
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| 28 | * @param \Twig_NodeInterface $body The body node |
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| 29 | * @param array $inputs An array of input strings |
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| 30 | * @param array $filters An array of filter strings |
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| 31 | * @param string $name The name of the asset |
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| 32 | * @param array $attributes An array of attributes |
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| 33 | * @param integer $lineno The line number |
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| 34 | * @param string $tag The tag name |
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| 35 | */ |
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| 36 | public function __construct(AssetInterface $asset, \Twig_NodeInterface $body, array $inputs, array $filters, $name, array $attributes = array(), $lineno = 0, $tag = null) |
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| 37 | { |
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| 38 | $nodes = array('body' => $body); |
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| 39 | |
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| 40 | $attributes = array_replace( |
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| 41 | array('debug' => null, 'combine' => null, 'var_name' => 'asset_url'), |
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| 42 | $attributes, |
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| 43 | array('asset' => $asset, 'inputs' => $inputs, 'filters' => $filters, 'name' => $name) |
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| 44 | ); |
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| 45 | |
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| 46 | parent::__construct($nodes, $attributes, $lineno, $tag); |
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| 47 | } |
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| 48 | |
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| 49 | public function compile(\Twig_Compiler $compiler) |
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| 50 | { |
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| 51 | $compiler->addDebugInfo($this); |
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| 52 | |
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| 53 | $combine = $this->getAttribute('combine'); |
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| 54 | $debug = $this->getAttribute('debug'); |
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| 55 | |
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| 56 | if (null === $combine && null !== $debug) { |
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| 57 | $combine = !$debug; |
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| 58 | } |
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| 59 | |
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| 60 | if (null === $combine) { |
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| 61 | $compiler |
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| 62 | ->write("if (isset(\$context['assetic']['debug']) && \$context['assetic']['debug']) {\n") |
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| 63 | ->indent() |
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| 64 | ; |
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| 65 | |
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| 66 | $this->compileDebug($compiler); |
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| 67 | |
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| 68 | $compiler |
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| 69 | ->outdent() |
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| 70 | ->write("} else {\n") |
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| 71 | ->indent() |
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| 72 | ; |
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| 73 | |
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| 74 | $this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name')); |
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| 75 | |
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| 76 | $compiler |
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| 77 | ->outdent() |
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| 78 | ->write("}\n") |
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| 79 | ; |
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| 80 | } elseif ($combine) { |
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| 81 | $this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name')); |
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| 82 | } else { |
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| 83 | $this->compileDebug($compiler); |
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| 84 | } |
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| 85 | |
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| 86 | $compiler |
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| 87 | ->write('unset($context[') |
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| 88 | ->repr($this->getAttribute('var_name')) |
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| 89 | ->raw("]);\n") |
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| 90 | ; |
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| 91 | } |
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| 92 | |
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| 93 | protected function compileDebug(\Twig_Compiler $compiler) |
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| 94 | { |
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| 95 | $i = 0; |
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| 96 | foreach ($this->getAttribute('asset') as $leaf) { |
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| 97 | $leafName = $this->getAttribute('name').'_'.$i++; |
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| 98 | $this->compileAsset($compiler, $leaf, $leafName); |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | protected function compileAsset(\Twig_Compiler $compiler, AssetInterface $asset, $name) |
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| 103 | { |
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| 104 | if ($vars = $asset->getVars()) { |
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| 105 | $compiler->write("// check variable conditions\n"); |
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| 106 | |
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| 107 | foreach ($vars as $var) { |
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| 108 | $compiler |
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| 109 | ->write("if (!isset(\$context['assetic']['vars']['$var'])) {\n") |
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| 110 | ->indent() |
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| 111 | ->write("throw new \RuntimeException(sprintf('The asset \"".$name."\" expected variable \"".$var."\" to be set, but got only these vars: %s. Did you set-up a value supplier?', isset(\$context['assetic']['vars']) && \$context['assetic']['vars'] ? implode(', ', \$context['assetic']['vars']) : '# none #'));\n") |
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| 112 | ->outdent() |
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| 113 | ->write("}\n") |
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| 114 | ; |
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| 115 | } |
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| 116 | |
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| 117 | $compiler->raw("\n"); |
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| 118 | } |
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| 119 | |
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| 120 | $compiler |
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| 121 | ->write("// asset \"$name\"\n") |
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| 122 | ->write('$context[') |
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| 123 | ->repr($this->getAttribute('var_name')) |
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| 124 | ->raw('] = ') |
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| 125 | ; |
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| 126 | |
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| 127 | $this->compileAssetUrl($compiler, $asset, $name); |
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| 128 | |
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| 129 | $compiler |
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| 130 | ->raw(";\n") |
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| 131 | ->subcompile($this->getNode('body')) |
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| 132 | ; |
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| 133 | } |
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| 134 | |
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| 135 | protected function compileAssetUrl(\Twig_Compiler $compiler, AssetInterface $asset, $name) |
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| 136 | { |
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| 137 | if (!$vars = $asset->getVars()) { |
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| 138 | $compiler->repr($asset->getTargetPath()); |
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| 139 | |
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| 140 | return; |
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| 141 | } |
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| 142 | |
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| 143 | $compiler |
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| 144 | ->raw("strtr(") |
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| 145 | ->string($asset->getTargetPath()) |
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| 146 | ->raw(", array("); |
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| 147 | ; |
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| 148 | |
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| 149 | $first = true; |
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| 150 | foreach ($vars as $var) { |
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| 151 | if (!$first) { |
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| 152 | $compiler->raw(", "); |
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| 153 | } |
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| 154 | $first = false; |
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| 155 | |
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| 156 | $compiler |
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| 157 | ->string("{".$var."}") |
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| 158 | ->raw(" => \$context['assetic']['vars']['$var']") |
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| 159 | ; |
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| 160 | } |
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| 161 | |
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| 162 | $compiler |
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| 163 | ->raw("))") |
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| 164 | ; |
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| 165 | } |
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| 166 | } |
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