197 lines
7.4 KiB
PHP
197 lines
7.4 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Resource Extend
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*
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* Implements the file system as resource for Smarty which does extend a chain of template files templates
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*
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* @package Smarty
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* @subpackage TemplateResources
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Resource Extend
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*/
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class Smarty_Internal_Resource_Extend {
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public function __construct($smarty)
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{
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$this->smarty = $smarty;
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}
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// classes used for compiling Smarty templates from file resource
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public $compiler_class = 'Smarty_Internal_SmartyTemplateCompiler';
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public $template_lexer_class = 'Smarty_Internal_Templatelexer';
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public $template_parser_class = 'Smarty_Internal_Templateparser';
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/**
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* Return flag if template source is existing
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*
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* @param object $template template object
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* @return boolean result
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*/
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public function isExisting($template)
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{
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if ($template->getTemplateFilepath() === false) {
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return false;
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} else {
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return true;
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}
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}
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/**
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* Get filepath to template source
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*
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* @param object $template template object
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* @return string filepath to template source file
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*/
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public function getTemplateFilepath($template)
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{
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$_files = explode('|', $template->resource_name);
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$_filepath = $template->buildTemplateFilepath ($_files[count($_files)-1]);
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if ($_filepath !== false) {
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if ($template->security) {
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$template->smarty->security_handler->isTrustedResourceDir($_filepath);
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}
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}
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return $_filepath;
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}
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/**
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* Get timestamp to template source
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*
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* @param object $template template object
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* @return integer timestamp of template source file
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*/
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public function getTemplateTimestamp($template)
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{
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return filemtime($template->getTemplateFilepath());
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}
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/**
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* Read template source from file
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*
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* @param object $template template object
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* @return string content of template source file
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*/
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public function getTemplateSource($template)
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{
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$this->template = $template;
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$_files = explode('|', $template->resource_name);
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$_files = array_reverse($_files);
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foreach ($_files as $_file) {
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$_filepath = $template->buildTemplateFilepath ($_file);
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// read template file
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if ($_filepath === false) {
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throw new Exception("Unable to load template \"file : {$_file}\"");
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}
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if ($_file != $_files[0]) {
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$template->properties['file_dependency']['F' . abs(crc32($_filepath))] = array($_filepath, filemtime($_filepath));
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}
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$_content = file_get_contents($_filepath);
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if ($_file != $_files[count($_files)-1]) {
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if (preg_match_all('/(' . $this->smarty->left_delimiter . 'block(.+?)' . $this->smarty->right_delimiter . ')/', $_content, $_open, PREG_OFFSET_CAPTURE) !=
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preg_match_all('/(' . $this->smarty->left_delimiter . '\/block(.*?)' . $this->smarty->right_delimiter . ')/', $_content, $_close, PREG_OFFSET_CAPTURE)) {
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$this->smarty->trigger_error(" unmatched {block} {/block} pairs");
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}
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$_block_count = count($_open[0]);
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for ($_i = 0; $_i < $_block_count; $_i++) {
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$_block_content = str_replace($this->smarty->left_delimiter . '$smarty.parent' . $this->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
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substr($_content, $_open[0][$_i][1] + strlen($_open[0][$_i][0]), $_close[0][$_i][1] - $_open[0][$_i][1] - strlen($_open[0][$_i][0])));
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$this->saveBlockData($_block_content, $_open[0][$_i][0]);
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}
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} else {
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$template->template_source = $_content;
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return true;
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}
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}
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}
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protected function saveBlockData($block_content, $block_tag)
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{
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if (0 == preg_match('/(.?)(name=)([^ ]*)/', $block_tag, $_match)) {
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$this->smarty->trigger_error("\"" . $block_tag . "\" missing name attribute");
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} else {
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// compile block content
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$_tpl = $this->smarty->createTemplate('string:' . $block_content);
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$_tpl->template_filepath = $this->template->getTemplateFilepath();
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$_tpl->suppressFileDependency = true;
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$_compiled_content = $_tpl->getCompiledTemplate();
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unset($_tpl);
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$_name = trim($_match[3], "\"'}");
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if (isset($this->smarty->block_data[$_name])) {
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if (strpos($this->smarty->block_data[$_name]['compiled'], '%%%%SMARTY_PARENT%%%%') !== false) {
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$this->smarty->block_data[$_name]['compiled'] =
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str_replace('%%%%SMARTY_PARENT%%%%', $_compiled_content, $this->smarty->block_data[$_name]['compiled']);
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} elseif ($this->smarty->block_data[$_name]['mode'] == 'prepend') {
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$this->smarty->block_data[$_name]['compiled'] .= $_compiled_content;
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} elseif ($this->smarty->block_data[$_name]['mode'] == 'append') {
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$this->smarty->block_data[$_name]['compiled'] = $_compiled_content . $this->smarty->block_data[$_name]['compiled'];
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}
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} else {
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$this->smarty->block_data[$_name]['compiled'] = $_compiled_content;
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}
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if (preg_match('/(.?)(append=true)(.*)/', $block_tag, $_match) != 0) {
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$this->smarty->block_data[$_name]['mode'] = 'append';
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} elseif (preg_match('/(.?)(prepend=true)(.*)/', $block_tag, $_match) != 0) {
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$this->smarty->block_data[$_name]['mode'] = 'prepend';
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} else {
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$this->smarty->block_data[$_name]['mode'] = 'replace';
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}
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}
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}
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/**
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* Return flag that this resource uses the compiler
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*
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* @return boolean true
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*/
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public function usesCompiler()
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{
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// template has tags, uses compiler
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return true;
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}
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/**
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* Return flag that this is not evaluated
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*
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* @return boolean false
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*/
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public function isEvaluated()
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{
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// save the compiled file to disk, do not evaluate
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return false;
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}
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/**
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* Get filepath to compiled template
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*
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* @param object $template template object
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* @return string return path to compiled template
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*/
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public function getCompiledFilepath($template)
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{
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$_files = explode('|', $template->resource_name);
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$_filepath = (string)abs(crc32($template->resource_name));
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// if use_sub_dirs, break file into directories
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if ($template->smarty->use_sub_dirs) {
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$_filepath = substr($_filepath, 0, 2) . DS
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. substr($_filepath, 2, 2) . DS
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. substr($_filepath, 4, 2) . DS
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. $_filepath;
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}
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$_compile_dir_sep = $template->smarty->use_sub_dirs ? DS : '^';
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if (isset($template->compile_id)) {
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$_filepath = $template->compile_id . $_compile_dir_sep . $_filepath;
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}
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if ($template->caching) {
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$_cache = '.cache';
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} else {
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$_cache = '';
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}
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$_compile_dir = $template->smarty->compile_dir;
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if (substr($_compile_dir, -1) != DS) {
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$_compile_dir .= DS;
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}
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return $_compile_dir . $_filepath . '.' . basename($_files[count($_files)-1]) . $_cache . $template->smarty->php_ext;
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}
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}
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?>
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