96 lines
3.3 KiB
PHP
96 lines
3.3 KiB
PHP
<?php
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/**
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* PHP renderer for doT templating engine
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Sébastien Lucas <sebastien@slucas.fr>
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*/
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class doT {
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public $functionBody;
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private $functionCode;
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private $def;
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private function resolveDefs ($block) {
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return preg_replace_callback ("/\{\{#([\s\S]+?)\}\}/", function ($m) {
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$d = $m[1];
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$d = substr ($d, 4);
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if (!array_key_exists ($d, $this->def)) {
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return "";
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}
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if (preg_match ("/\{\{#([\s\S]+?)\}\}/", $this->def [$d])) {
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return $this->resolveDefs ($this->def [$d], $this->def);
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} else {
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return $this->def [$d];
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}
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}, $block);
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}
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private function handleDotNotation ($string) {
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$out = preg_replace ("/(\w+)\.(.*?)([\s,\)])/", "\$$1[\"$2\"]$3", $string);
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$out = preg_replace ("/(\w+)\.([\w\.]*?)$/", "\$$1[\"$2\"] ", $out);
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$out = preg_replace ("/\./", '"]["', $out);
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// Special hideous case : shouldn't be committed
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$out = preg_replace ("/^i /", ' $i ', $out);
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return $out;
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}
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public function template ($string, $def) {
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$func = preg_replace ("/'|\\\/", "\\$&", $string);
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// deps
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if (empty ($def)) {
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$func = preg_replace ("/\{\{#([\s\S]+?)\}\}/", "", $func);
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} else {
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$this->def = $def;
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$func = $this->resolveDefs ($func);
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}
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// interpolate
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$func = preg_replace_callback ("/\{\{=([\s\S]+?)\}\}/", function ($m) {
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return "' . " . $this->handleDotNotation ($m[1]) . " . '";
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}, $func);
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// Conditional
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$func = preg_replace_callback ("/\{\{\?(\?)?\s*([\s\S]*?)\s*\}\}/", function ($m) {
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$elsecase = $m[1];
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$code = $m[2];
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if ($elsecase) {
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if ($code) {
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return "';} else if (" . $this->handleDotNotation ($code) . ") { $" . "out.='";
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} else {
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return "';} else { $" . "out.='";
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}
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} else {
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if ($code) {
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return "'; if (" . $this->handleDotNotation ($code) . ") { $" . "out.='";
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} else {
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return "';} $" . "out.='";
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}
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}
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}, $func);
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// Iterate
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$func = preg_replace_callback ("/\{\{~\s*(?:\}\}|([\s\S]+?)\s*\:\s*([\w$]+)\s*(?:\:\s*([\w$]+))?\s*\}\})/", function ($m) {
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if (count($m) > 1) {
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$iterate = $m[1];
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$vname = $m[2];
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$iname = $m[3];
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$iterate = $this->handleDotNotation ($iterate);
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return "'; for (\$$iname = 0; \$$iname < count($iterate); \$$iname++) { \$$vname = $iterate [\$$iname]; \$out.='";
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} else {
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return "';} $" . "out.='";
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}
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}, $func);
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$func = '$out = \'' . $func . '\'; return $out;';
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$this->functionBody = $func;
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//$this->functionCode = create_function ('$it', $func);
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return create_function ('$it', $func);
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}
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public function execute ($data) {
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return $this->functionCode ($data);
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}
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} |