/interface/main/calendar/modules/PostCalendar/pnincludes/Smarty/Smarty_Compiler.class.php
PHP | 1414 lines | 987 code | 223 blank | 204 comment | 193 complexity | ea9062b7cbb8fc37b8dcbee1f7b5476d MD5 | raw file
Possible License(s): LGPL-2.1, AGPL-1.0, LGPL-3.0, BSD-3-Clause, GPL-2.0, MPL-2.0, GPL-3.0
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- <?php
- /*
- * Project: Smarty: the PHP compiling template engine
- * File: Smarty_Compiler.class.php
- * Author: Monte Ohrt <monte@ispi.net>
- * Andrei Zmievski <andrei@php.net>
- *
- * Version: 2.3.1
- * Copyright: 2001,2002 ispi of Lincoln, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * You may contact the authors of Smarty by e-mail at:
- * monte@ispi.net
- * andrei@php.net
- *
- * Or, write to:
- * Monte Ohrt
- * Director of Technology, ispi
- * 237 S. 70th suite 220
- * Lincoln, NE 68510
- *
- * The latest version of Smarty can be obtained from:
- * http://www.phpinsider.com/
- *
- */
- class Smarty_Compiler extends Smarty {
- // internal vars
- var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part
- var $_foreachelse_stack = array(); // keeps track of whether foreach had 'else' part
- var $_literal_blocks = array(); // keeps literal template blocks
- var $_php_blocks = array(); // keeps php code blocks
- var $_current_file = null; // the current template being compiled
- var $_current_line_no = 1; // line number for error messages
- var $_capture_stack = array(); // keeps track of nested capture buffers
- var $_plugin_info = array(); // keeps track of plugins to load
- var $_init_smarty_vars = false;
- /*======================================================================*\
- Function: _compile_file()
- Input: compile a template file
- \*======================================================================*/
- function _compile_file($tpl_file, $template_source, &$template_compiled)
- {
- if ($this->security) {
- // do not allow php syntax to be executed unless specified
- if ($this->php_handling == SMARTY_PHP_ALLOW &&
- !$this->security_settings['PHP_HANDLING']) {
- $this->php_handling = SMARTY_PHP_PASSTHRU;
- }
- }
- $this->_load_filters();
- $this->_current_file = $tpl_file;
- $this->_current_line_no = 1;
- $ldq = preg_quote($this->left_delimiter, '!');
- $rdq = preg_quote($this->right_delimiter, '!');
- // run template source through prefilter functions
- if (count($this->_plugins['prefilter']) > 0) {
- foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) {
- if ($prefilter === false) continue;
- if ($prefilter[3] || function_exists($prefilter[0])) {
- $template_source = $prefilter[0]($template_source, $this);
- $this->_plugins['prefilter'][$filter_name][3] = true;
- } else {
- $this->_trigger_plugin_error("Smarty plugin error: prefilter '$filter_name' is not implemented");
- }
- }
- }
- /* Annihilate the comments. */
- $template_source = preg_replace("!({$ldq})\*(.*?)\*({$rdq})!se",
- "'\\1*'.str_repeat(\"\n\", substr_count('\\2', \"\n\")) .'*\\3'",
- $template_source);
- /* Pull out the literal blocks. */
- preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_source, $match);
- $this->_literal_blocks = $match[1];
- $template_source = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s",
- $this->quote_replace($this->left_delimiter.'literal'.$this->right_delimiter), $template_source);
- /* Pull out the php code blocks. */
- preg_match_all("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", $template_source, $match);
- $this->_php_blocks = $match[1];
- $template_source = preg_replace("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s",
- $this->quote_replace($this->left_delimiter.'php'.$this->right_delimiter), $template_source);
- /* Gather all template tags. */
- preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_source, $match);
- $template_tags = $match[1];
- /* Split content by template tags to obtain non-template content. */
- $text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_source);
- /* loop through text blocks */
- for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) {
- /* match anything within <?php ?> */
- if (preg_match_all('!(<\?[^?]*?\?>|<script\s+language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $text_blocks[$curr_tb], $sp_match)) {
- /* found at least one match, loop through each one */
- for ($curr_sp = 0, $for_max2 = count($sp_match[0]); $curr_sp < $for_max2; $curr_sp++) {
- if (preg_match('!^(<\?(php\s|\s|=\s)|<script\s*language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $sp_match[0][$curr_sp])) {
- /* php tag */
- if ($this->php_handling == SMARTY_PHP_PASSTHRU) {
- /* echo php contents */
- $text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]);
- } else if ($this->php_handling == SMARTY_PHP_QUOTE) {
- /* quote php tags */
- $text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], htmlspecialchars($sp_match[0][$curr_sp]), $text_blocks[$curr_tb]);
- } else if ($this->php_handling == SMARTY_PHP_REMOVE) {
- /* remove php tags */
- if (substr($sp_match[0][$curr_sp], 0, 2) == '<?')
- $text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '', $text_blocks[$curr_tb]);
- else
- /* attempt to remove everything between <script ...> and </script> */
- $text_blocks[$curr_tb] = preg_replace('!'.preg_quote($sp_match[0][$curr_sp], '!').'.*?</script\s*>!is', '', $text_blocks[$curr_tb]);
- }
- } else
- /* echo the non-php tags */
- $text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]);
- }
- }
- }
- /* Compile the template tags into PHP code. */
- $compiled_tags = array();
- for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) {
- $this->_current_line_no += substr_count($text_blocks[$i], "\n");
- $compiled_tags[] = $this->_compile_tag($template_tags[$i]);
- $this->_current_line_no += substr_count($template_tags[$i], "\n");
- }
- $template_compiled = '';
- /* Interleave the compiled contents and text blocks to get the final result. */
- for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) {
- $template_compiled .= $text_blocks[$i].$compiled_tags[$i];
- }
- $template_compiled .= $text_blocks[$i];
- /* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */
- if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $template_compiled, $match)) {
- $strip_tags = $match[0];
- $strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags);
- $strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified);
- for ($i = 0, $for_max = count($strip_tags); $i < $for_max; $i++)
- $template_compiled = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s",
- $this->quote_replace($strip_tags_modified[$i]),
- $template_compiled, 1);
- }
- // remove \n from the end of the file, if any
- if ($template_compiled{strlen($template_compiled) - 1} == "\n" ) {
- $template_compiled = substr($template_compiled, 0, -1);
- }
- // run compiled template through postfilter functions
- if (count($this->_plugins['postfilter']) > 0) {
- foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) {
- if ($postfilter === false) continue;
- if ($postfilter[3] || function_exists($postfilter[0])) {
- $template_compiled = $postfilter[0]($template_compiled, $this);
- $this->_plugins['postfilter'][$filter_name][3] = true;
- } else {
- $this->_trigger_plugin_error("Smarty plugin error: postfilter '$filter_name' is not implemented");
- }
- }
- }
- // put header at the top of the compiled template
- $template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n";
- $template_header .= " compiled from ".$tpl_file." */ ?>\n";
- /* Emit code to load needed plugins. */
- if (count($this->_plugin_info)) {
- $plugins_code = '<?php $this->_load_plugins(array(';
- foreach ($this->_plugin_info as $plugin_type => $plugins) {
- foreach ($plugins as $plugin_name => $plugin_info) {
- $plugins_code .= "\narray('$plugin_type', '$plugin_name', '$plugin_info[0]', $plugin_info[1], ";
- $plugins_code .= $plugin_info[2] ? 'true),' : 'false),';
- }
- }
- $plugins_code .= ")); ?>";
- $template_header .= $plugins_code;
- $this->_plugin_info = array();
- }
- if ($this->_init_smarty_vars) {
- $template_header .= "<?php \$this->_assign_smarty_interface(); ?>\n";
- $this->_init_smarty_vars = false;
- }
- $template_compiled = $template_header . $template_compiled;
- return true;
- }
- /*======================================================================*\
- Function: _compile_tag
- Purpose: Compile a template tag
- \*======================================================================*/
- function _compile_tag($template_tag)
- {
- /* Matched comment. */
- if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*')
- return '';
- $qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
- /* Split tag into two parts: command and the arguments. */
- preg_match('/^(
- (?: ' . $qstr_regexp . ' | (?>[^"\'\s]+))+
- )
- (?:\s+(.*))?
- /xs', $template_tag, $match);
- $tag_command = $match[1];
- $tag_args = isset($match[2]) ? $match[2] : '';
- /* If the tag name matches a variable or section property definition,
- we simply process it. */
- if (preg_match('!^\$\w+(?>(\[(\d+|\$\w+|\w+(\.\w+)?)\])|((\.|->)\$?\w+))*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // if a variable
- preg_match('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // or a configuration variable
- preg_match('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command)) { // or a section property
- settype($tag_command, 'array');
- $this->_parse_vars_props($tag_command);
- return "<?php echo $tag_command[0]; ?>\n";
- }
- switch ($tag_command) {
- case 'include':
- return $this->_compile_include_tag($tag_args);
- case 'include_php':
- return $this->_compile_include_php_tag($tag_args);
- case 'if':
- return $this->_compile_if_tag($tag_args);
- case 'else':
- return '<?php else: ?>';
- case 'elseif':
- return $this->_compile_if_tag($tag_args, true);
- case '/if':
- return '<?php endif; ?>';
- case 'capture':
- return $this->_compile_capture_tag(true, $tag_args);
- case '/capture':
- return $this->_compile_capture_tag(false);
- case 'ldelim':
- return $this->left_delimiter;
- case 'rdelim':
- return $this->right_delimiter;
- case 'section':
- array_push($this->_sectionelse_stack, false);
- return $this->_compile_section_start($tag_args);
- case 'sectionelse':
- $this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true;
- return "<?php endfor; else: ?>";
- case '/section':
- if (array_pop($this->_sectionelse_stack))
- return "<?php endif; ?>";
- else
- return "<?php endfor; endif; ?>";
- case 'foreach':
- array_push($this->_foreachelse_stack, false);
- return $this->_compile_foreach_start($tag_args);
- break;
- case 'foreachelse':
- $this->_foreachelse_stack[count($this->_foreachelse_stack)-1] = true;
- return "<?php endforeach; else: ?>";
- case '/foreach':
- if (array_pop($this->_foreachelse_stack))
- return "<?php endif; ?>";
- else
- return "<?php endforeach; endif; ?>";
- case 'config_load':
- return $this->_compile_config_load_tag($tag_args);
- case 'strip':
- case '/strip':
- return $this->left_delimiter.$tag_command.$this->right_delimiter;
- case 'literal':
- list (,$literal_block) = each($this->_literal_blocks);
- $this->_current_line_no += substr_count($literal_block, "\n");
- return "<?php echo '".str_replace("'", "\'", str_replace("\\", "\\\\", $literal_block))."'; ?>\n";
- case 'php':
- if ($this->security && !$this->security_settings['PHP_TAGS']) {
- $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING);
- return;
- }
- list (,$php_block) = each($this->_php_blocks);
- $this->_current_line_no += substr_count($php_block, "\n");
- return '<?php '.$php_block.' ?>';
- case 'insert':
- return $this->_compile_insert_tag($tag_args);
- default:
- if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) {
- return $output;
- } else if ($this->_compile_block_tag($tag_command, $tag_args, $output)) {
- return $output;
- } else {
- return $this->_compile_custom_tag($tag_command, $tag_args);
- }
- }
- }
- /*======================================================================*\
- Function: _compile_compiler_tag
- Purpose: compile the custom compiler tag
- \*======================================================================*/
- function _compile_compiler_tag($tag_command, $tag_args, &$output)
- {
- $found = false;
- $have_function = true;
- /*
- * First we check if the compiler function has already been registered
- * or loaded from a plugin file.
- */
- if (isset($this->_plugins['compiler'][$tag_command])) {
- $found = true;
- $plugin_func = $this->_plugins['compiler'][$tag_command][0];
- if (!function_exists($plugin_func)) {
- $message = "compiler function '$tag_command' is not implemented";
- $have_function = false;
- }
- }
- /*
- * Otherwise we need to load plugin file and look for the function
- * inside it.
- */
- else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) {
- $found = true;
- include_once $plugin_file;
- $plugin_func = 'smarty_compiler_' . $tag_command;
- if (!function_exists($plugin_func)) {
- $message = "plugin function $plugin_func() not found in $plugin_file\n";
- $have_function = false;
- } else {
- $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null);
- }
- }
- /*
- * True return value means that we either found a plugin or a
- * dynamically registered function. False means that we didn't and the
- * compiler should now emit code to load custom function plugin for this
- * tag.
- */
- if ($found) {
- if ($have_function) {
- $output = '<?php ' . $plugin_func($tag_args, $this) . ' ?>';
- } else {
- $this->_syntax_error($message, E_USER_WARNING);
- }
- return true;
- } else {
- return false;
- }
- }
- /*======================================================================*\
- Function: _compile_block_tag
- Purpose: compile block function tag
- \*======================================================================*/
- function _compile_block_tag($tag_command, $tag_args, &$output)
- {
- if ($tag_command{0} == '/') {
- $start_tag = false;
- $tag_command = substr($tag_command, 1);
- } else
- $start_tag = true;
- $found = false;
- $have_function = true;
- /*
- * First we check if the block function has already been registered
- * or loaded from a plugin file.
- */
- if (isset($this->_plugins['block'][$tag_command])) {
- $found = true;
- $plugin_func = $this->_plugins['block'][$tag_command][0];
- if (!function_exists($plugin_func)) {
- $message = "block function '$tag_command' is not implemented";
- $have_function = false;
- }
- }
- /*
- * Otherwise we need to load plugin file and look for the function
- * inside it.
- */
- else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) {
- $found = true;
- include_once $plugin_file;
- $plugin_func = 'smarty_block_' . $tag_command;
- if (!function_exists($plugin_func)) {
- $message = "plugin function $plugin_func() not found in $plugin_file\n";
- $have_function = false;
- } else {
- $this->_plugins['block'][$tag_command] = array($plugin_func, null, null);
- }
- }
- if (!$found) {
- return false;
- } else if (!$have_function) {
- $this->_syntax_error($message, E_USER_WARNING);
- return true;
- }
- /*
- * Even though we've located the plugin function, compilation
- * happens only once, so the plugin will still need to be loaded
- * at runtime for future requests.
- */
- $this->_add_plugin('block', $tag_command);
- if ($start_tag) {
- $arg_list = array();
- $attrs = $this->_parse_attrs($tag_args);
- foreach ($attrs as $arg_name => $arg_value) {
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- $output = "<?php \$this->_tag_stack[] = array('$tag_command', array(".implode(',', (array)$arg_list).")); \$this->_plugins['block']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), null, \$this); ob_start(); ?>";
- } else {
- $output = "<?php \$this->_block_content = ob_get_contents(); ob_end_clean(); \$this->_plugins['block']['$tag_command'][0](\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$this->_block_content, \$this); array_pop(\$this->_tag_stack); ?>";
- }
- return true;
- }
- /*======================================================================*\
- Function: _compile_custom_tag
- Purpose: compile custom function tag
- \*======================================================================*/
- function _compile_custom_tag($tag_command, $tag_args)
- {
- $this->_add_plugin('function', $tag_command);
- $arg_list = array();
- $attrs = $this->_parse_attrs($tag_args);
- foreach ($attrs as $arg_name => $arg_value) {
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- return "<?php \$this->_plugins['function']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), \$this); if(\$this->_extract) { extract(\$this->_tpl_vars); \$this->_extract=false; } ?>";
- }
- /*======================================================================*\
- Function: _compile_insert_tag
- Purpose: Compile {insert ...} tag
- \*======================================================================*/
- function _compile_insert_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $name = $this->_dequote($attrs['name']);
- if (empty($name)) {
- $this->_syntax_error("missing insert name");
- }
- if (!empty($attrs['script'])) {
- $delayed_loading = true;
- }
- foreach ($attrs as $arg_name => $arg_value) {
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- $this->_add_plugin('insert', $name, $delayed_loading);
- return "<?php echo \$this->_run_insert_handler(array(".implode(', ', (array)$arg_list).")); ?>\n";
- }
- /*======================================================================*\
- Function: _compile_config_load_tag
- Purpose: Compile {config_load ...} tag
- \*======================================================================*/
- function _compile_config_load_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- if (empty($attrs['file'])) {
- $this->_syntax_error("missing 'file' attribute in config_load tag");
- }
- if (empty($attrs['section'])) {
- $attrs['section'] = 'null';
- }
- $scope = @$this->_dequote($attrs['scope']);
- if (!empty($scope)) {
- if ($scope != 'local' &&
- $scope != 'parent' &&
- $scope != 'global') {
- $this->_syntax_error("invalid 'scope' attribute value");
- }
- } else {
- if (!empty($attrs['global']) && $attrs['global'])
- $scope = 'parent';
- else
- $scope = 'local';
- }
- $output = '<?php $this->_config_load(' . $attrs['file'] . ', ' . $attrs['section'] . ", '$scope'); ?>";
- return $output;
- }
- /*======================================================================*\
- Function: _compile_include_tag
- Purpose: Compile {include ...} tag
- \*======================================================================*/
- function _compile_include_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = array();
- if (empty($attrs['file'])) {
- $this->_syntax_error("missing 'file' attribute in include tag");
- }
- foreach ($attrs as $arg_name => $arg_value) {
- if ($arg_name == 'file') {
- $include_file = $arg_value;
- continue;
- } else if ($arg_name == 'assign') {
- $assign_var = $arg_value;
- continue;
- }
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- $output = '<?php ';
- if (isset($assign_var)) {
- $output .= "ob_start();\n";
- }
- $output .=
- "\$_smarty_tpl_vars = \$this->_tpl_vars;\n" .
- "\$this->_smarty_include(".$include_file.", array(".implode(',', (array)$arg_list)."));\n" .
- "\$this->_tpl_vars = \$_smarty_tpl_vars;\n" .
- "unset(\$_smarty_tpl_vars);\n";
- if (isset($assign_var)) {
- $output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n";
- }
- $output .= ' ?>';
- return $output;
- }
- /*======================================================================*\
- Function: _compile_include_php_tag
- Purpose: Compile {include ...} tag
- \*======================================================================*/
- function _compile_include_php_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- if (empty($attrs['file'])) {
- $this->_syntax_error("missing 'file' attribute in include_php tag");
- }
- $assign_var = $this->_dequote($attrs['assign']);
- $once_var = ( $attrs['once'] === false ) ? 'false' : 'true';
-
- return "<?php \$this->_smarty_include_php($attrs[file], '$assign_var', $once_var); ?>";
- }
-
- /*======================================================================*\
- Function: _compile_section_start
- Purpose: Compile {section ...} tag
- \*======================================================================*/
- function _compile_section_start($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = array();
- $output = "<?php ";
- $section_name = $attrs['name'];
- if (empty($section_name)) {
- $this->_syntax_error("missing section name");
- }
- $output .= "if (isset(\$this->_sections[$section_name])) unset(\$this->_sections[$section_name]);\n";
- $section_props = "\$this->_sections[$section_name]";
- foreach ($attrs as $attr_name => $attr_value) {
- switch ($attr_name) {
- case 'loop':
- $output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : max(0, (int)$attr_value);\n";
- break;
- case 'show':
- if (is_bool($attr_value))
- $show_attr_value = $attr_value ? 'true' : 'false';
- else
- $show_attr_value = "(bool)$attr_value";
- $output .= "{$section_props}['show'] = $show_attr_value;\n";
- break;
- case 'name':
- $output .= "{$section_props}['$attr_name'] = $attr_value;\n";
- break;
- case 'max':
- case 'start':
- $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n";
- break;
- case 'step':
- $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n";
- break;
- default:
- $this->_syntax_error("unknown section attribute - '$attr_name'");
- break;
- }
- }
- if (!isset($attrs['show']))
- $output .= "{$section_props}['show'] = true;\n";
- if (!isset($attrs['loop']))
- $output .= "{$section_props}['loop'] = 1;\n";
- if (!isset($attrs['max']))
- $output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
- else
- $output .= "if ({$section_props}['max'] < 0)\n" .
- " {$section_props}['max'] = {$section_props}['loop'];\n";
- if (!isset($attrs['step']))
- $output .= "{$section_props}['step'] = 1;\n";
- if (!isset($attrs['start']))
- $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
- else {
- $output .= "if ({$section_props}['start'] < 0)\n" .
- " {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" .
- "else\n" .
- " {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
- }
- $output .= "if ({$section_props}['show']) {\n";
- if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) {
- $output .= " {$section_props}['total'] = {$section_props}['loop'];\n";
- } else {
- $output .= " {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
- }
- $output .= " if ({$section_props}['total'] == 0)\n" .
- " {$section_props}['show'] = false;\n" .
- "} else\n" .
- " {$section_props}['total'] = 0;\n";
- $output .= "if ({$section_props}['show']):\n";
- $output .= "
- for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
- {$section_props}['iteration'] <= {$section_props}['total'];
- {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
- $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
- $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
- $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
- $output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n";
- $output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n";
- $output .= "?>";
- return $output;
- }
-
- /*======================================================================*\
- Function: _compile_foreach_start
- Purpose: Compile {foreach ...} tag
- \*======================================================================*/
- function _compile_foreach_start($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = array();
- if (empty($attrs['from'])) {
- $this->_syntax_error("missing 'from' attribute");
- }
- if (empty($attrs['item'])) {
- $this->_syntax_error("missing 'item' attribute");
- }
- $from = $attrs['from'];
- $item = $this->_dequote($attrs['item']);
- if (isset($attrs['name']))
- $name = $attrs['name'];
- $output = '<?php ';
- if (isset($name)) {
- $output .= "if (isset(\$this->_foreach[$name])) unset(\$this->_foreach[$name]);\n";
- $foreach_props = "\$this->_foreach[$name]";
- }
- $key_part = '';
- foreach ($attrs as $attr_name => $attr_value) {
- switch ($attr_name) {
- case 'key':
- $key = $this->_dequote($attrs['key']);
- $key_part = "\$this->_tpl_vars['$key'] => ";
- break;
- case 'name':
- $output .= "{$foreach_props}['$attr_name'] = $attr_value;\n";
- break;
- }
- }
- if (isset($name)) {
- $output .= "{$foreach_props}['total'] = count((array)$from);\n";
- $output .= "{$foreach_props}['show'] = {$foreach_props}['total'] > 0;\n";
- $output .= "if ({$foreach_props}['show']):\n";
- $output .= "{$foreach_props}['iteration'] = 0;\n";
- $output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n";
- $output .= " {$foreach_props}['iteration']++;\n";
- $output .= " {$foreach_props}['first'] = ({$foreach_props}['iteration'] == 1);\n";
- $output .= " {$foreach_props}['last'] = ({$foreach_props}['iteration'] == {$foreach_props}['total']);\n";
- } else {
- $output .= "if (count((array)$from)):\n";
- $output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n";
- }
- $output .= '?>';
- return $output;
- }
- /*======================================================================*\
- Function: _compile_capture_tag
- Purpose: Compile {capture} .. {/capture} tags
- \*======================================================================*/
- function _compile_capture_tag($start, $tag_args = '')
- {
- $attrs = $this->_parse_attrs($tag_args);
- if ($start) {
- if (isset($attrs['name']))
- $buffer = $attrs['name'];
- else
- $buffer = "'default'";
- $output = "<?php ob_start(); ?>";
- $this->_capture_stack[] = $buffer;
- } else {
- $buffer = array_pop($this->_capture_stack);
- $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); ob_end_clean(); ?>";
- }
- return $output;
- }
- /*======================================================================*\
- Function: _compile_if_tag
- Purpose: Compile {if ...} tag
- \*======================================================================*/
- function _compile_if_tag($tag_args, $elseif = false)
- {
- /* Tokenize args for 'if' tag. */
- preg_match_all('/(?:
- "[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | # match all double quoted strings allowing escaped double quotes
- \'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | # match all single quoted strings allowing escaped single quotes
- [(),] | # match parentheses and commas
- [^\s(),]+ # match any other token that is not any of the above
- )/x', $tag_args, $match);
- $tokens = $match[0];
- $this->_parse_vars_props($tokens);
- $is_arg_stack = array();
- for ($i = 0, $for_max = count($tokens); $i < $for_max; $i++) {
- $token = &$tokens[$i];
- switch ($token) {
- case 'eq':
- $token = '==';
- break;
- case 'ne':
- case 'neq':
- $token = '!=';
- break;
- case 'lt':
- $token = '<';
- break;
- case 'le':
- case 'lte':
- $token = '<=';
- break;
- case 'gt':
- $token = '>';
- break;
- case 'ge':
- case 'gte':
- $token = '>=';
- break;
- case 'and':
- $token = '&&';
- break;
- case 'or':
- $token = '||';
- break;
- case 'not':
- $token = '!';
- break;
- case 'mod':
- $token = '%';
- break;
- case '(':
- array_push($is_arg_stack, $i);
- break;
- case 'is':
- /* If last token was a ')', we operate on the parenthesized
- expression. The start of the expression is on the stack.
- Otherwise, we operate on the last encountered token. */
- if ($tokens[$i-1] == ')')
- $is_arg_start = array_pop($is_arg_stack);
- else
- $is_arg_start = $i-1;
- /* Construct the argument for 'is' expression, so it knows
- what to operate on. */
- $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));
- /* Pass all tokens from next one until the end to the
- 'is' expression parsing function. The function will
- return modified tokens, where the first one is the result
- of the 'is' expression and the rest are the tokens it
- didn't touch. */
- $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));
- /* Replace the old tokens with the new ones. */
- array_splice($tokens, $is_arg_start, count($tokens), $new_tokens);
- /* Adjust argument start so that it won't change from the
- current position for the next iteration. */
- $i = $is_arg_start;
- break;
- default:
- if($this->security &&
- $i+1 < count($tokens) &&
- $tokens[$i+1] == '(' &&
- preg_match('!^[a-zA-Z_]\w+$!', $tokens[$i]) &&
- !in_array($tokens[$i], $this->security_settings['IF_FUNCS'])) {
- $this->_syntax_error("(secure mode) '".$tokens[$i]."' not allowed in if statement");
- }
- break;
- }
- }
- if ($elseif)
- return '<?php elseif ('.implode(' ', $tokens).'): ?>';
- else
- return '<?php if ('.implode(' ', $tokens).'): ?>';
- }
- /*======================================================================*\
- Function: _parse_is_expr
- Purpose: Parse is expression
- \*======================================================================*/
- function _parse_is_expr($is_arg, $tokens)
- {
- $expr_end = 0;
- $negate_expr = false;
- if (($first_token = array_shift($tokens)) == 'not') {
- $negate_expr = true;
- $expr_type = array_shift($tokens);
- } else
- $expr_type = $first_token;
- switch ($expr_type) {
- case 'even':
- if (@$tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "!(($is_arg / $expr_arg) % $expr_arg)";
- } else
- $expr = "!($is_arg % 2)";
- break;
- case 'odd':
- if (@$tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "(($is_arg / $expr_arg) % $expr_arg)";
- } else
- $expr = "($is_arg % 2)";
- break;
- case 'div':
- if (@$tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "!($is_arg % $expr_arg)";
- } else {
- $this->_syntax_error("expecting 'by' after 'div'");
- }
- break;
- default:
- $this->_syntax_error("unknown 'is' expression - '$expr_type'");
- break;
- }
- if ($negate_expr) {
- $expr = "!($expr)";
- }
- array_splice($tokens, 0, $expr_end, $expr);
- return $tokens;
- }
- /*======================================================================*\
- Function: _parse_attrs
- Purpose: Parse attribute string
- \*======================================================================*/
- function _parse_attrs($tag_args, $quote = true)
- {
- /* Tokenize tag attributes. */
- preg_match_all('/(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" |
- \'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'=\s]+)
- )+ |
- [=]
- /x', $tag_args, $match);
- $tokens = $match[0];
- $var_delims = array('$', '#', '%');
- $attrs = array();
- /* Parse state:
- 0 - expecting attribute name
- 1 - expecting '='
- 2 - expecting attribute value (not '=') */
- $state = 0;
- foreach ($tokens as $token) {
- switch ($state) {
- case 0:
- /* If the token is a valid identifier, we set attribute name
- and go to state 1. */
- if (preg_match('!^\w+$!', $token)) {
- $attr_name = $token;
- $state = 1;
- } else
- $this->_syntax_error("invalid attribute name - '$token'");
- break;
- case 1:
- /* If the token is '=', then we go to state 2. */
- if ($token == '=') {
- $state = 2;
- } else
- $this->_syntax_error("expecting '=' after attribute name");
- break;
- case 2:
- /* If token is not '=', we set the attribute value and go to
- state 0. */
- if ($token != '=') {
- /* We booleanize the token if it's a non-quoted possible
- boolean value. */
- if (preg_match('!^(on|yes|true)$!', $token))
- $token = true;
- else if (preg_match('!^(off|no|false)$!', $token))
- $token = false;
- /* If the token is not variable (doesn't start with
- '$', '#', or '%') and not enclosed in single or
- double quotes we single-quote it. */
- else if ($quote && !in_array($token{0}, $var_delims) &&
- !(($token{0} == '"' || $token{0} == "'") &&
- $token{strlen($token)-1} == $token{0}))
- $token = '"'.$token.'"';
- $attrs[$attr_name] = $token;
- $state = 0;
- } else
- $this->_syntax_error("'=' cannot be an attribute value");
- break;
- }
- }
- $this->_parse_vars_props($attrs);
- return $attrs;
- }
- /*======================================================================*\
- Function: _parse_vars_props
- Purpose: compile variables and section properties tokens into
- PHP code
- \*======================================================================*/
- function _parse_vars_props(&$tokens)
- {
- $qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
- $var_exprs = preg_grep('!^\$\w+(?>(\[(\d+|\$\w+|\w+(\.\w+)?)\])|((\.|->)\$?\w+))*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens);
- $conf_var_exprs = preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens);
- $sect_prop_exprs = preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens);
- if (count($var_exprs)) {
- foreach ($var_exprs as $expr_index => $var_expr) {
- $tokens[$expr_index] = $this->_parse_var($var_expr);
- }
- }
- if (count($conf_var_exprs)) {
- foreach ($conf_var_exprs as $expr_index => $var_expr) {
- $tokens[$expr_index] = $this->_parse_conf_var($var_expr);
- }
- }
- if (count($sect_prop_exprs)) {
- foreach ($sect_prop_exprs as $expr_index => $section_prop_expr) {
- $tokens[$expr_index] = $this->_parse_section_prop($section_prop_expr);
- }
- }
- }
- /*======================================================================*\
- Function: _parse_var
- Purpose: parse variable expression into PHP code
- \*======================================================================*/
- function _parse_var($var_expr)
- {
- $parts = explode('|', substr($var_expr, 1), 2);
- $var_ref = $parts[0];
- $modifiers = isset($parts[1]) ? $parts[1] : '';
-
- if(!empty($this->default_modifiers) && !preg_match('!(^|\|)smarty:nodefaults($|\|)!',$modifiers)) {
- $_default_mod_string = implode('|',(array)$this->default_modifiers);
- $modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers;
- }
-
- preg_match_all('!\[(?:\$\w+|\w+(\.\w+)?)\]|(->|\.)\$?\w+|^\w+!', $var_ref, $match);
- $indexes = $match[0];
- $var_name = array_shift($indexes);
- /* Handle $smarty.* variable references as a special case. */
- if ($var_name == 'smarty') {
- /*
- * If the reference could be compiled, use the compiled output;
- * otherwise, fall back on the $smarty variable generated at
- * run-time.
- */
- if (($smarty_ref = $this->_compile_smarty_ref($indexes)) !== null) {
- $output = $smarty_ref;
- } else {
- $var_name = substr(array_shift($indexes), 1);
- $output = "\$this->_smarty_vars['$var_name']";
- }
- } else {
- $output = "\$this->_tpl_vars['$var_name']";
- }
- foreach ($indexes as $index) {
- if ($index{0} == '[') {
- $index = substr($index, 1, -1);
- if (is_numeric($index)) {
- $output .= "[$index]";
- } elseif ($index{0} == '$') {
- $output .= "[\$this->_tpl_vars['" . substr($index, 1) . "']]";
- } else {
- $parts = explode('.', $index);
- $section = $parts[0];
- $section_prop = isset($parts[1]) ? $parts[1] : 'index';
- $output .= "[\$this->_sections['$section']['$section_prop']]";
- }
- } else if ($index{0} == '.') {
- if ($index{1} == '$')
- $output .= "[\$this->_tpl_vars['" . substr($index, 2) . "']]";
- else
- $output .= "['" . substr($index, 1) . "']";
- } else {
- $output .= $index;
- }
- }
- $this->_parse_modifiers($output, $modifiers);
- return $output;
- }
- /*======================================================================*\
- Function: _parse_conf_var
- Purpose: parse configuration variable expression into PHP code
- \*======================================================================*/
- function _parse_conf_var($conf_var_expr)
- {
- $parts = explode('|', $conf_var_expr, 2);
- $var_ref = $parts[0];
- $modifiers = isset($parts[1]) ? $parts[1] : '';
- $var_name = substr($var_ref, 1, -1);
- $output = "\$this->_config[0]['vars']['$var_name']";
- $this->_parse_modifiers($output, $modifiers);
- return $output;
- }
- /*======================================================================*\
- Function: _parse_section_prop
- Purpose: parse section property expression into PHP code
- \*======================================================================*/
- function _parse_section_prop($section_prop_expr)
- {
- $parts = explode('|', $section_prop_expr, 2);
- $var_ref = $parts[0];
- $modifiers = isset($parts[1]) ? $parts[1] : '';
- preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match);
- $section_name = $match[1];
- $prop_name = $match[2];
- $output = "\$this->_sections['$section_name']['$prop_name']";
- $this->_parse_modifiers($output, $modifiers);
- return $output;
- }
- /*======================================================================*\
- Function: _parse_modifiers
- Purpose: parse modifier chain into PHP code
- \*======================================================================*/
- function _parse_modifiers(&$output, $modifier_string)
- {
- $qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
- preg_match_all('!\|(@?\w+)((?>:(?:'. $qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $match);
- list(, $modifiers, $modifier_arg_strings) = $match;
- for ($i = 0, $for_max = count($modifiers); $i < $for_max; $i++) {
- $modifier_name = $modifiers[$i];
-
- if($modifier_name == 'smarty') {
- // skip smarty modifier
- continue;
- }
-
- preg_match_all('!:(' . $qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$i], $match);
- $modifier_args = $match[1];
- if ($modifier_name{0} == '@') {
- $map_array = 'false';
- $modifier_name = substr($modifier_name, 1);
- } else {
- $map_array = 'true';
- }
-
- $this->_add_plugin('modifier', $modifier_name);
- $this->_parse_vars_props($modifier_args);
- if (count($modifi…
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