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<?php |
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namespace Jade\Compiler; |
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use Jade\Nodes\Code; |
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abstract class CodeVisitor extends TagVisitor |
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{ |
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/** |
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* @param Nodes\Code $node |
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*/ |
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protected function visitCodeConditional(array $matches) |
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{ |
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$code = trim($matches[2], '; '); |
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while (($len = strlen($code)) > 1 && ($code[0] === '(' || $code[0] === '{') && ord($code[0]) === ord(substr($code, -1)) - 1) { |
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$code = trim(substr($code, 1, $len - 2)); |
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} |
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$index = count($this->buffer) - 1; |
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$conditional = ''; |
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if (isset($this->buffer[$index]) && false !== strpos($this->buffer[$index], $this->createCode('}'))) { |
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// the "else" statement needs to be in the php block that closes the if |
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$this->buffer[$index] = null; |
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$conditional .= '} '; |
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} |
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$conditional .= '%s'; |
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if (strlen($code) > 0) { |
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$conditional .= '(%s) {'; |
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$conditional = $matches[1] === 'unless' |
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? sprintf($conditional, 'if', '!(%s)') |
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: sprintf($conditional, $matches[1], '%s'); |
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$this->buffer($this->createCode($conditional, $code)); |
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return; |
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} |
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$conditional .= ' {'; |
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$conditional = sprintf($conditional, $matches[1]); |
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$this->buffer($this->createCode($conditional)); |
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} |
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/** |
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* @param Nodes\Code $node |
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*/ |
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protected function visitCodeOpening(Code $node) |
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{ |
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$code = trim($node->value); |
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if ($node->buffer) { |
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$this->buffer($this->escapeIfNeeded($node->escape, $code)); |
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return; |
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} |
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$phpOpen = implode('|', $this->phpOpenBlock); |
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if (preg_match("/^[[:space:]]*({$phpOpen})(.*)/", $code, $matches)) { |
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$this->visitCodeConditional($matches); |
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return; |
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} |
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$this->buffer($this->createCode('%s', $code)); |
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} |
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/** |
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* @param Nodes\Code $node |
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*/ |
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protected function visitCode(Code $node) |
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{ |
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$this->visitCodeOpening($node); |
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if (isset($node->block)) { |
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$this->indents++; |
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$this->visit($node->block); |
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$this->indents--; |
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if (!$node->buffer) { |
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$this->buffer($this->createCode('}')); |
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} |
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} |
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} |
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} |
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XaBerr /
JATE
