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/framework/vendor/smarty3/lib/libs/sysplugins/smarty_internal_resource_extends.php

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PHP | 210 lines | 155 code | 6 blank | 49 comment | 39 complexity | 7e0be77264d97983e6b1847ce2071670 MD5 | raw file
  1<?php
  2
  3/**
  4 * Smarty Internal Plugin Resource Extends
  5 * 
  6 * Implements the file system as resource for Smarty which does extend a chain of template files templates
  7 * 
  8 * @package Smarty
  9 * @subpackage TemplateResources
 10 * @author Uwe Tews 
 11 */
 12/**
 13 * Smarty Internal Plugin Resource Extends
 14 */
 15class Smarty_Internal_Resource_Extends {
 16    public function __construct($smarty)
 17    {
 18        $this->smarty = $smarty;
 19        $this->_rdl = preg_quote($smarty->right_delimiter);
 20        $this->_ldl = preg_quote($smarty->left_delimiter);
 21    } 
 22    // classes used for compiling Smarty templates from file resource
 23    public $compiler_class = 'Smarty_Internal_SmartyTemplateCompiler';
 24    public $template_lexer_class = 'Smarty_Internal_Templatelexer';
 25    public $template_parser_class = 'Smarty_Internal_Templateparser'; 
 26    // properties
 27    public $usesCompiler = true;
 28    public $isEvaluated = false;
 29    public $allFilepaths = array();
 30
 31    /**
 32     * Return flag if template source is existing
 33     * 
 34     * @param object $_template template object
 35     * @return boolean result
 36     */
 37    public function isExisting($_template)
 38    {
 39        if ($_template->getTemplateFilepath() === false) {
 40            return false;
 41        } else {
 42            return true;
 43        } 
 44    } 
 45    /**
 46     * Get filepath to template source
 47     * 
 48     * @param object $_template template object
 49     * @return string filepath to template source file
 50     */
 51    public function getTemplateFilepath($_template)
 52    {
 53        $sha1String = '';
 54        $_files = explode('|', $_template->resource_name);
 55        foreach ($_files as $_file) {
 56            $_filepath = $_template->buildTemplateFilepath ($_file);
 57            if ($_filepath !== false) {
 58                if ($_template->security) {
 59                    $_template->smarty->security_handler->isTrustedResourceDir($_filepath);
 60                } 
 61            } 
 62            $sha1String .= $_filepath;
 63            $this->allFilepaths[] = $_filepath;
 64        } 
 65        $_template->templateUid = sha1($sha1String);
 66        return $_filepath;
 67    } 
 68
 69    /**
 70     * Get timestamp to template source
 71     * 
 72     * @param object $_template template object
 73     * @return integer timestamp of template source file
 74     */
 75    public function getTemplateTimestamp($_template)
 76    {
 77        return filemtime($_template->getTemplateFilepath());
 78    } 
 79
 80    /**
 81     * Read template source from file
 82     * 
 83     * @param object $_template template object
 84     * @return string content of template source file
 85     */
 86    public function getTemplateSource($_template)
 87    {
 88        $this->template = $_template;
 89        $_files = array_reverse($this->allFilepaths);
 90        foreach ($_files as $_filepath) {
 91            // read template file
 92            if ($_filepath === false) {
 93                throw new Exception("Unable to load template 'file : {$_file}'");
 94            } 
 95            if ($_filepath != $_files[0]) {
 96                $_template->properties['file_dependency'][sha1($_filepath)] = array($_filepath, filemtime($_filepath));
 97            } 
 98            $_template->template_filepath = $_filepath;
 99            $_content = file_get_contents($_filepath);
100            if ($_filepath != $_files[count($_files)-1]) {
101                if (preg_match_all("!({$this->_ldl}block(.+?){$this->_rdl})!", $_content, $_open) !=
102                        preg_match_all("!({$this->_ldl}/block(.*?){$this->_rdl})!", $_content, $_close)) {
103                    $this->smarty->trigger_error("unmatched {block} {/block} pairs in file '$_filepath'");
104                } 
105                preg_match_all("!{$this->_ldl}block(.+?){$this->_rdl}|{$this->_ldl}/block.*{$this->_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
106                $_result_count = count($_result[0]);
107                $_start = 0;
108                while ($_start < $_result_count) {
109                    $_end = 0;
110                    $_level = 1;
111                    while ($_level != 0) {
112                        $_end++;
113                        if (!strpos($_result[0][$_start + $_end][0], '/')) {
114                            $_level++;
115                        } else {
116                            $_level--;
117                        } 
118                    } 
119                    $_block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.parent' . $this->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
120                        substr($_content, $_result[0][$_start][1] + strlen($_result[0][$_start][0]), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + strlen($_result[0][$_start][0])));
121                    $this->saveBlockData($_block_content, $_result[0][$_start][0], $_filepath);
122                    $_start = $_start + $_end + 1;
123                } 
124            } else {
125                $_template->template_source = $_content;
126                return true;
127            } 
128        } 
129        // $_template->template_filepath = $saved_filepath;
130    } 
131    protected function saveBlockData($block_content, $block_tag, $_filepath)
132    {
133        if (0 == preg_match("!(.?)(name=)(.*?)(?=(\s|{$this->_rdl}))!", $block_tag, $_match)) {
134            $this->smarty->trigger_error("'{$block_tag}' missing name attribute in file '$_filepath'");
135        } else {
136            $_name = trim($_match[3], '\'"');
137	   // replace {$smarty.block.child} 
138            if (strpos($block_content, $this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter) !== false) {
139                if (isset($this->smarty->block_data[$_name])) {
140                    $block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
141                        $this->smarty->block_data[$_name]['source'], $block_content);
142                    unset($this->smarty->block_data[$_name]);
143                } else {
144                    $block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
145                        '', $block_content);
146                } 
147            } 
148            if (isset($this->smarty->block_data[$_name])) {
149                if (strpos($this->smarty->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
150                    $this->smarty->block_data[$_name]['source'] =
151                    str_replace('%%%%SMARTY_PARENT%%%%', $block_content, $this->smarty->block_data[$_name]['source']);
152                } elseif ($this->smarty->block_data[$_name]['mode'] == 'prepend') {
153                    $this->smarty->block_data[$_name]['source'] .= $block_content;
154                } elseif ($this->smarty->block_data[$_name]['mode'] == 'append') {
155                    $this->smarty->block_data[$_name]['source'] = $block_content . $this->smarty->block_data[$_name]['source'];
156                } 
157            } else {
158                $this->smarty->block_data[$_name]['source'] = $block_content;
159            } 
160            if (preg_match('/(.?)(append)(.*)/', $block_tag, $_match) != 0) {
161                $this->smarty->block_data[$_name]['mode'] = 'append';
162            } elseif (preg_match('/(.?)(prepend)(.*)/', $block_tag, $_match) != 0) {
163                $this->smarty->block_data[$_name]['mode'] = 'prepend';
164            } else {
165                $this->smarty->block_data[$_name]['mode'] = 'replace';
166            } 
167            $this->smarty->block_data[$_name]['file'] = $_filepath;
168        } 
169    } 
170
171    /**
172     * Get filepath to compiled template
173     * 
174     * @param object $_template template object
175     * @return string return path to compiled template
176     */
177    public function getCompiledFilepath($_template)
178    {
179        $_compile_id = isset($_template->compile_id) ? preg_replace('![^\w\|]+!', '_', $_template->compile_id) : null;
180        $_files = explode('|', $_template->resource_name); 
181        // calculate Uid if not already done
182        if ($_template->templateUid == '') {
183            $_template->getTemplateFilepath();
184        } 
185        $_filepath = $_template->templateUid; 
186        // if use_sub_dirs, break file into directories
187        if ($_template->smarty->use_sub_dirs) {
188            $_filepath = substr($_filepath, 0, 2) . DS
189             . substr($_filepath, 2, 2) . DS
190             . substr($_filepath, 4, 2) . DS
191             . $_filepath;
192        } 
193        $_compile_dir_sep = $_template->smarty->use_sub_dirs ? DS : '^';
194        if (isset($_compile_id)) {
195            $_filepath = $_compile_id . $_compile_dir_sep . $_filepath;
196        } 
197        if ($_template->caching) {
198            $_cache = '.cache';
199        } else {
200            $_cache = '';
201        } 
202        $_compile_dir = $_template->smarty->compile_dir;
203        if (substr($_compile_dir, -1) != DS) {
204            $_compile_dir .= DS;
205        } 
206        return $_compile_dir . $_filepath . '.' . $_template->resource_type . '.' . basename($_files[count($_files)-1]) . $_cache . '.php';
207    } 
208} 
209
210?>