136 lines
2.9 KiB
PHP
136 lines
2.9 KiB
PHP
<?php
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/*
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* This file is part of the Text_Template package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* A simple template engine.
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*
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* @since Class available since Release 1.0.0
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*/
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class Text_Template
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{
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/**
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* @var string
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*/
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protected $template = '';
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/**
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* @var string
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*/
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protected $openDelimiter = '{';
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/**
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* @var string
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*/
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protected $closeDelimiter = '}';
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/**
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* @var array
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*/
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protected $values = array();
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/**
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* Constructor.
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*
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* @param string $file
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* @throws InvalidArgumentException
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*/
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public function __construct($file = '', $openDelimiter = '{', $closeDelimiter = '}')
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{
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$this->setFile($file);
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$this->openDelimiter = $openDelimiter;
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$this->closeDelimiter = $closeDelimiter;
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}
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/**
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* Sets the template file.
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*
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* @param string $file
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* @throws InvalidArgumentException
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*/
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public function setFile($file)
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{
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$distFile = $file . '.dist';
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if (file_exists($file)) {
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$this->template = file_get_contents($file);
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}
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else if (file_exists($distFile)) {
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$this->template = file_get_contents($distFile);
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}
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else {
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throw new InvalidArgumentException(
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'Template file could not be loaded.'
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);
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}
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}
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/**
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* Sets one or more template variables.
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*
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* @param array $values
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* @param bool $merge
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*/
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public function setVar(array $values, $merge = TRUE)
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{
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if (!$merge || empty($this->values)) {
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$this->values = $values;
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} else {
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$this->values = array_merge($this->values, $values);
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}
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}
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/**
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* Renders the template and returns the result.
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*
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* @return string
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*/
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public function render()
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{
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$keys = array();
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foreach ($this->values as $key => $value) {
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$keys[] = $this->openDelimiter . $key . $this->closeDelimiter;
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}
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return str_replace($keys, $this->values, $this->template);
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}
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/**
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* Renders the template and writes the result to a file.
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*
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* @param string $target
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*/
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public function renderTo($target)
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{
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$fp = @fopen($target, 'wt');
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if ($fp) {
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fwrite($fp, $this->render());
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fclose($fp);
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} else {
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$error = error_get_last();
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throw new RuntimeException(
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sprintf(
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'Could not write to %s: %s',
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$target,
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substr(
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$error['message'],
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strpos($error['message'], ':') + 2
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)
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)
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);
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}
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}
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}
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