162 lines
6.5 KiB
PHP
162 lines
6.5 KiB
PHP
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<?php
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/**
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* Smarty Internal Plugin Resource Extends
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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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* @author Rodney Rehm
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*/
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/**
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* Smarty Internal Plugin Resource Extends
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*
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* Implements the file system as resource for Smarty which {extend}s 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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*/
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class Smarty_Internal_Resource_Extends extends Smarty_Resource {
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/**
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* mbstring.overload flag
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*
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* @var int
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*/
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public $mbstring_overload = 0;
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/**
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* populate Source Object with meta data from Resource
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*
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* @param Smarty_Template_Source $source source object
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* @param Smarty_Internal_Template $_template template object
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*/
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public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null)
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{
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$uid = '';
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$sources = array();
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$components = explode('|', $source->name);
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$exists = true;
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foreach ($components as $component) {
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$s = Smarty_Resource::source(null, $source->smarty, $component);
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if ($s->type == 'php') {
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throw new SmartyException("Resource type {$s->type} cannot be used with the extends resource type");
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}
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$sources[$s->uid] = $s;
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$uid .= $s->filepath;
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if ($_template && $_template->smarty->compile_check) {
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$exists = $exists && $s->exists;
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}
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}
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$source->components = $sources;
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$source->filepath = $s->filepath;
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$source->uid = sha1($uid);
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if ($_template && $_template->smarty->compile_check) {
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$source->timestamp = $s->timestamp;
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$source->exists = $exists;
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}
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// need the template at getContent()
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$source->template = $_template;
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}
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/**
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* populate Source Object with timestamp and exists from Resource
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*
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* @param Smarty_Template_Source $source source object
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*/
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public function populateTimestamp(Smarty_Template_Source $source)
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{
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$source->exists = true;
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foreach ($source->components as $s) {
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$source->exists = $source->exists && $s->exists;
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}
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$source->timestamp = $s->timestamp;
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}
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/**
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* Load template's source from files into current template object
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*
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* @param Smarty_Template_Source $source source object
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* @return string template source
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* @throws SmartyException if source cannot be loaded
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*/
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public function getContent(Smarty_Template_Source $source)
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{
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if (!$source->exists) {
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throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
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}
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$this->mbstring_overload = ini_get('mbstring.func_overload') & 2;
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$_rdl = preg_quote($source->smarty->right_delimiter);
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$_ldl = preg_quote($source->smarty->left_delimiter);
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if (!$source->smarty->auto_literal) {
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$al = '\s*';
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} else {
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$al = '';
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}
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$_components = array_reverse($source->components);
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$_first = reset($_components);
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$_last = end($_components);
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foreach ($_components as $_component) {
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// register dependency
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if ($_component != $_first) {
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$source->template->properties['file_dependency'][$_component->uid] = array($_component->filepath, $_component->timestamp, $_component->type);
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}
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// read content
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$source->filepath = $_component->filepath;
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$_content = $_component->content;
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// extend sources
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if ($_component != $_last) {
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if (preg_match_all("!({$_ldl}{$al}block\s(.+?)\s*{$_rdl})!", $_content, $_open) !=
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preg_match_all("!({$_ldl}{$al}/block\s*{$_rdl})!", $_content, $_close)) {
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throw new SmartyException("unmatched {block} {/block} pairs in template {$_component->type} '{$_component->name}'");
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}
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preg_match_all("!{$_ldl}{$al}block\s(.+?)\s*{$_rdl}|{$_ldl}{$al}/block\s*{$_rdl}|{$_ldl}\*([\S\s]*?)\*{$_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
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$_result_count = count($_result[0]);
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$_start = 0;
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while ($_start+1 < $_result_count) {
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$_end = 0;
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$_level = 1;
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if (($this->mbstring_overload ? mb_substr($_result[0][$_start][0],0,mb_strlen($source->smarty->left_delimiter,'latin1')+1, 'latin1') : substr($_result[0][$_start][0],0,strlen($source->smarty->left_delimiter)+1)) == $source->smarty->left_delimiter.'*') {
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$_start++;
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continue;
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}
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while ($_level != 0) {
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$_end++;
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if (($this->mbstring_overload ? mb_substr($_result[0][$_start + $_end][0],0,mb_strlen($source->smarty->left_delimiter,'latin1')+1, 'latin1') : substr($_result[0][$_start + $_end][0],0,strlen($source->smarty->left_delimiter)+1)) == $source->smarty->left_delimiter.'*') {
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continue;
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}
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if (!strpos($_result[0][$_start + $_end][0], '/')) {
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$_level++;
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} else {
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$_level--;
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}
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}
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$_block_content = str_replace($source->smarty->left_delimiter . '$smarty.block.parent' . $source->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
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($this->mbstring_overload ? mb_substr($_content, $_result[0][$_start][1] + mb_strlen($_result[0][$_start][0], 'latin1'), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + mb_strlen($_result[0][$_start][0], 'latin1'), 'latin1') : substr($_content, $_result[0][$_start][1] + strlen($_result[0][$_start][0]), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + strlen($_result[0][$_start][0]))));
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Smarty_Internal_Compile_Block::saveBlockData($_block_content, $_result[0][$_start][0], $source->template, $_component->filepath);
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$_start = $_start + $_end + 1;
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}
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} else {
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return $_content;
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}
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}
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}
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/**
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* Determine basename for compiled filename
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*
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* @param Smarty_Template_Source $source source object
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* @return string resource's basename
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*/
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public function getBasename(Smarty_Template_Source $source)
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{
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return str_replace(':', '.', basename($source->filepath));
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}
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}
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?>
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