Smarty_Compiler.class.php
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上传日期:2015-12-05
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多媒体编程
开发平台:
Visual C++
- <?php
- /**
- * Project: Smarty: the PHP compiling template engine
- * File: Smarty_Compiler.class.php
- *
- * 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
- *
- * @link http://smarty.php.net/
- * @author Monte Ohrt <monte@ispi.net>
- * @author Andrei Zmievski <andrei@php.net>
- * @version 2.6.6
- * @copyright 2001-2004 ispi of Lincoln, Inc.
- * @package Smarty
- */
- /* $Id: Smarty_Compiler.class.php,v 1.1 2004/10/27 10:57:55 gabest Exp $ */
- /**
- * Template compiling class
- * @package Smarty
- */
- class Smarty_Compiler extends Smarty {
- // internal vars
- /**#@+
- * @access private
- */
- var $_folded_blocks = array(); // keeps folded template 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;
- var $_permitted_tokens = array('true','false','yes','no','on','off','null');
- var $_db_qstr_regexp = null; // regexps are setup in the constructor
- var $_si_qstr_regexp = null;
- var $_qstr_regexp = null;
- var $_func_regexp = null;
- var $_reg_obj_regexp = null;
- var $_var_bracket_regexp = null;
- var $_num_const_regexp = null;
- var $_dvar_guts_regexp = null;
- var $_dvar_regexp = null;
- var $_cvar_regexp = null;
- var $_svar_regexp = null;
- var $_avar_regexp = null;
- var $_mod_regexp = null;
- var $_var_regexp = null;
- var $_parenth_param_regexp = null;
- var $_func_call_regexp = null;
- var $_obj_ext_regexp = null;
- var $_obj_start_regexp = null;
- var $_obj_params_regexp = null;
- var $_obj_call_regexp = null;
- var $_cacheable_state = 0;
- var $_cache_attrs_count = 0;
- var $_nocache_count = 0;
- var $_cache_serial = null;
- var $_cache_include = null;
- var $_strip_depth = 0;
- var $_additional_newline = "n";
- /**#@-*/
- /**
- * The class constructor.
- */
- function Smarty_Compiler()
- {
- // matches double quoted strings:
- // "foobar"
- // "foo"bar"
- $this->_db_qstr_regexp = '"[^"\\]*(?:\\.[^"\\]*)*"';
- // matches single quoted strings:
- // 'foobar'
- // 'foo'bar'
- $this->_si_qstr_regexp = ''[^'\\]*(?:\\.[^'\\]*)*'';
- // matches single or double quoted strings
- $this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')';
- // matches bracket portion of vars
- // [0]
- // [foo]
- // [$bar]
- $this->_var_bracket_regexp = '[$?[w.]+]';
- // matches numerical constants
- // 30
- // -12
- // 13.22
- $this->_num_const_regexp = '(?:-?d+(?:.d+)?)';
- // matches $ vars (not objects):
- // $foo
- // $foo.bar
- // $foo.bar.foobar
- // $foo[0]
- // $foo[$bar]
- // $foo[5][blah]
- // $foo[5].bar[$foobar][4]
- $this->_dvar_math_regexp = '(?:[+*/%]|(?:-(?!>)))';
- $this->_dvar_math_var_regexp = '[$w.+-*/%d>[]]';
- $this->_dvar_guts_regexp = 'w+(?:' . $this->_var_bracket_regexp
- . ')*(?:.$?w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?';
- $this->_dvar_regexp = '$' . $this->_dvar_guts_regexp;
- // matches config vars:
- // #foo#
- // #foobar123_foo#
- $this->_cvar_regexp = '#w+#';
- // matches section vars:
- // %foo.bar%
- $this->_svar_regexp = '%w+.w+%';
- // matches all valid variables (no quotes, no modifiers)
- $this->_avar_regexp = '(?:' . $this->_dvar_regexp . '|'
- . $this->_cvar_regexp . '|' . $this->_svar_regexp . ')';
- // matches valid variable syntax:
- // $foo
- // $foo
- // #foo#
- // #foo#
- // "text"
- // "text"
- $this->_var_regexp = '(?:' . $this->_avar_regexp . '|' . $this->_qstr_regexp . ')';
- // matches valid object call (one level of object nesting allowed in parameters):
- // $foo->bar
- // $foo->bar()
- // $foo->bar("text")
- // $foo->bar($foo, $bar, "text")
- // $foo->bar($foo, "foo")
- // $foo->bar->foo()
- // $foo->bar->foo->bar()
- // $foo->bar($foo->bar)
- // $foo->bar($foo->bar())
- // $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar))
- $this->_obj_ext_regexp = '->(?:$?' . $this->_dvar_guts_regexp . ')';
- $this->_obj_restricted_param_regexp = '(?:'
- . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')'
- . '(?:s*,s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?))?)*)';
- $this->_obj_single_param_regexp = '(?:w+|' . $this->_obj_restricted_param_regexp . '(?:s*,s*(?:(?:w+|'
- . $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)';
- $this->_obj_params_regexp = '((?:' . $this->_obj_single_param_regexp
- . '(?:s*,s*' . $this->_obj_single_param_regexp . ')*)?)';
- $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
- $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)';
- // matches valid modifier syntax:
- // |foo
- // |@foo
- // |foo:"bar"
- // |foo:$bar
- // |foo:"bar":$foobar
- // |foo|bar
- // |foo:$foo->bar
- $this->_mod_regexp = '(?:|@?w+(?::(?:w+|' . $this->_num_const_regexp . '|'
- . $this->_obj_call_regexp . '|' . $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)';
- // matches valid function name:
- // foo123
- // _foo_bar
- $this->_func_regexp = '[a-zA-Z_]w*';
- // matches valid registered object:
- // foo->bar
- $this->_reg_obj_regexp = '[a-zA-Z_]w*->[a-zA-Z_]w*';
- // matches valid parameter values:
- // true
- // $foo
- // $foo|bar
- // #foo#
- // #foo#|bar
- // "text"
- // "text"|bar
- // $foo->bar
- $this->_param_regexp = '(?:s*(?:' . $this->_obj_call_regexp . '|'
- . $this->_var_regexp . '|' . $this->_num_const_regexp . '|w+)(?>' . $this->_mod_regexp . '*)s*)';
- // matches valid parenthesised function parameters:
- //
- // "text"
- // $foo, $bar, "text"
- // $foo|bar, "foo"|bar, $foo->bar($foo)|bar
- $this->_parenth_param_regexp = '(?:((?:w+|'
- . $this->_param_regexp . '(?:s*,s*(?:(?:w+|'
- . $this->_param_regexp . ')))*)?))';
- // matches valid function call:
- // foo()
- // foo_bar($foo)
- // _foo_bar($foo,"bar")
- // foo123($foo,$foo->bar(),"foo")
- $this->_func_call_regexp = '(?:' . $this->_func_regexp . 's*(?:'
- . $this->_parenth_param_regexp . '))';
- }
- /**
- * compile a resource
- *
- * sets $compiled_content to the compiled source
- * @param string $resource_name
- * @param string $source_content
- * @param string $compiled_content
- * @return true
- */
- function _compile_file($resource_name, $source_content, &$compiled_content)
- {
- 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 = $resource_name;
- $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 ($prefilter[3] || is_callable($prefilter[0])) {
- $source_content = call_user_func_array($prefilter[0],
- array($source_content, &$this));
- $this->_plugins['prefilter'][$filter_name][3] = true;
- } else {
- $this->_trigger_fatal_error("[plugin] prefilter '$filter_name' is not implemented");
- }
- }
- }
- /* fetch all special blocks */
- $search = "~{$ldq}*(.*?)*{$rdq}|{$ldq}s*literals*{$rdq}(.*?){$ldq}s*/literals*{$rdq}|{$ldq}s*phps*{$rdq}(.*?){$ldq}s*/phps*{$rdq}~s";
- preg_match_all($search, $source_content, $match, PREG_SET_ORDER);
- $this->_folded_blocks = $match;
- reset($this->_folded_blocks);
- /* replace special blocks by "{php}" */
- $source_content = preg_replace($search.'e', "'"
- . $this->_quote_replace($this->left_delimiter) . 'php'
- . "' . str_repeat("n", substr_count('\0', "n")) .'"
- . $this->_quote_replace($this->right_delimiter)
- . "'"
- , $source_content);
- /* Gather all template tags. */
- preg_match_all("~{$ldq}s*(.*?)s*{$rdq}~s", $source_content, $_match);
- $template_tags = $_match[1];
- /* Split content by template tags to obtain non-template content. */
- $text_blocks = preg_split("~{$ldq}.*?{$rdq}~s", $source_content);
- /* loop through text blocks */
- for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) {
- /* match anything resembling php tags */
- if (preg_match_all('~(<?(?:w+|=)?|?>|languages*=s*["']?php["']?)~is', $text_blocks[$curr_tb], $sp_match)) {
- /* replace tags with placeholders to prevent recursive replacements */
- $sp_match[1] = array_unique($sp_match[1]);
- usort($sp_match[1], '_smarty_sort_length');
- for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) {
- $text_blocks[$curr_tb] = str_replace($sp_match[1][$curr_sp],'%%%SMARTYSP'.$curr_sp.'%%%',$text_blocks[$curr_tb]);
- }
- /* process each one */
- for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) {
- if ($this->php_handling == SMARTY_PHP_PASSTHRU) {
- /* echo php contents */
- $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '<?php echo ''.str_replace("'", "'", $sp_match[1][$curr_sp]).''; ?>'."n", $text_blocks[$curr_tb]);
- } else if ($this->php_handling == SMARTY_PHP_QUOTE) {
- /* quote php tags */
- $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', htmlspecialchars($sp_match[1][$curr_sp]), $text_blocks[$curr_tb]);
- } else if ($this->php_handling == SMARTY_PHP_REMOVE) {
- /* remove php tags */
- $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '', $text_blocks[$curr_tb]);
- } else {
- /* SMARTY_PHP_ALLOW, but echo non php starting tags */
- $sp_match[1][$curr_sp] = preg_replace('~(<?(?!php|=|$))~i', '<?php echo '\1'?>'."n", $sp_match[1][$curr_sp]);
- $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', $sp_match[1][$curr_sp], $text_blocks[$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[$i], "n");
- }
- if (count($this->_tag_stack)>0) {
- list($_open_tag, $_line_no) = end($this->_tag_stack);
- $this->_syntax_error("unclosed tag {$_open_tag} (opened line $_line_no).", E_USER_ERROR, __FILE__, __LINE__);
- return;
- }
- $compiled_content = '';
- /* Interleave the compiled contents and text blocks to get the final result. */
- for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) {
- if ($compiled_tags[$i] == '') {
- // tag result empty, remove first newline from following text block
- $text_blocks[$i+1] = preg_replace('~^(rn|r|n)~', '', $text_blocks[$i+1]);
- }
- $compiled_content .= $text_blocks[$i].$compiled_tags[$i];
- }
- $compiled_content .= $text_blocks[$i];
- /* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */
- if (preg_match_all("~{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}~s", $compiled_content, $_match)) {
- $strip_tags = $_match[0];
- $strip_tags_modified = preg_replace("~{$ldq}/?strip{$rdq}|[t ]+$|^[t ]+~m", '', $strip_tags);
- $strip_tags_modified = preg_replace('~[rn]+~m', '', $strip_tags_modified);
- for ($i = 0, $for_max = count($strip_tags); $i < $for_max; $i++)
- $compiled_content = preg_replace("~{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}~s",
- $this->_quote_replace($strip_tags_modified[$i]),
- $compiled_content, 1);
- }
- // remove n from the end of the file, if any
- if (($_len=strlen($compiled_content)) && ($compiled_content{$_len - 1} == "n" )) {
- $compiled_content = substr($compiled_content, 0, -1);
- }
- if (!empty($this->_cache_serial)) {
- $compiled_content = "<?php $this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content;
- }
- // remove unnecessary close/open tags
- $compiled_content = preg_replace('~?>n?<?php~', '', $compiled_content);
- // run compiled template through postfilter functions
- if (count($this->_plugins['postfilter']) > 0) {
- foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) {
- if ($postfilter === false) continue;
- if ($postfilter[3] || is_callable($postfilter[0])) {
- $compiled_content = call_user_func_array($postfilter[0],
- array($compiled_content, &$this));
- $this->_plugins['postfilter'][$filter_name][3] = true;
- } else {
- $this->_trigger_fatal_error("Smarty plugin error: postfilter '$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";
- $template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>n";
- /* Emit code to load needed plugins. */
- $this->_plugins_code = '';
- if (count($this->_plugin_info)) {
- $_plugins_params = "array('plugins' => array(";
- foreach ($this->_plugin_info as $plugin_type => $plugins) {
- foreach ($plugins as $plugin_name => $plugin_info) {
- $_plugins_params .= "array('$plugin_type', '$plugin_name', '$plugin_info[0]', $plugin_info[1], ";
- $_plugins_params .= $plugin_info[2] ? 'true),' : 'false),';
- }
- }
- $_plugins_params .= '))';
- $plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');nsmarty_core_load_plugins($_plugins_params, $this); ?>n";
- $template_header .= $plugins_code;
- $this->_plugin_info = array();
- $this->_plugins_code = $plugins_code;
- }
- if ($this->_init_smarty_vars) {
- $template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');nsmarty_core_assign_smarty_interface(null, $this); ?>n";
- $this->_init_smarty_vars = false;
- }
- $compiled_content = $template_header . $compiled_content;
- return true;
- }
- /**
- * Compile a template tag
- *
- * @param string $template_tag
- * @return string
- */
- function _compile_tag($template_tag)
- {
- /* Matched comment. */
- if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*')
- return '';
- /* Split tag into two three parts: command, command modifiers and the arguments. */
- if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp
- . '|/?' . $this->_reg_obj_regexp . '|/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*))
- (?:s+(.*))?$
- ~xs', $template_tag, $match)) {
- $this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__);
- }
- $tag_command = $match[1];
- $tag_modifier = isset($match[2]) ? $match[2] : null;
- $tag_args = isset($match[3]) ? $match[3] : null;
- if (preg_match('~^' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$~', $tag_command)) {
- /* tag name is a variable or object */
- $_return = $this->_parse_var_props($tag_command . $tag_modifier, $this->_parse_attrs($tag_args));
- if(isset($_tag_attrs['assign'])) {
- return "<?php $this->assign('" . $this->_dequote($_tag_attrs['assign']) . "', $_return ); ?>n";
- } else {
- return "<?php echo $_return; ?>" . $this->_additional_newline;
- }
- }
- /* If the tag name is a registered object, we process it. */
- if (preg_match('~^/?' . $this->_reg_obj_regexp . '$~', $tag_command)) {
- return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier);
- }
- switch ($tag_command) {
- case 'include':
- return $this->_compile_include_tag($tag_args);
- case 'include_php':
- return $this->_compile_include_php_tag($tag_args);
- case 'if':
- $this->_push_tag('if');
- return $this->_compile_if_tag($tag_args);
- case 'else':
- list($_open_tag) = end($this->_tag_stack);
- if ($_open_tag != 'if' && $_open_tag != 'elseif')
- $this->_syntax_error('unexpected {else}', E_USER_ERROR, __FILE__, __LINE__);
- else
- $this->_push_tag('else');
- return '<?php else: ?>';
- case 'elseif':
- list($_open_tag) = end($this->_tag_stack);
- if ($_open_tag != 'if' && $_open_tag != 'elseif')
- $this->_syntax_error('unexpected {elseif}', E_USER_ERROR, __FILE__, __LINE__);
- if ($_open_tag == 'if')
- $this->_push_tag('elseif');
- return $this->_compile_if_tag($tag_args, true);
- case '/if':
- $this->_pop_tag('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':
- $this->_push_tag('section');
- return $this->_compile_section_start($tag_args);
- case 'sectionelse':
- $this->_push_tag('sectionelse');
- return "<?php endfor; else: ?>";
- break;
- case '/section':
- $_open_tag = $this->_pop_tag('section');
- if ($_open_tag == 'sectionelse')
- return "<?php endif; ?>";
- else
- return "<?php endfor; endif; ?>";
- case 'foreach':
- $this->_push_tag('foreach');
- return $this->_compile_foreach_start($tag_args);
- break;
- case 'foreachelse':
- $this->_push_tag('foreachelse');
- return "<?php endforeach; unset($_from); else: ?>";
- case '/foreach':
- $_open_tag = $this->_pop_tag('foreach');
- if ($_open_tag == 'foreachelse')
- return "<?php endif; ?>";
- else
- return "<?php endforeach; unset($_from); endif; ?>";
- break;
- case 'strip':
- case '/strip':
- if ($tag_command{0}=='/') {
- $this->_pop_tag('strip');
- if (--$this->_strip_depth==0) { /* outermost closing {/strip} */
- $this->_additional_newline = "n";
- return $this->left_delimiter.$tag_command.$this->right_delimiter;
- }
- } else {
- $this->_push_tag('strip');
- if ($this->_strip_depth++==0) { /* outermost opening {strip} */
- $this->_additional_newline = "";
- return $this->left_delimiter.$tag_command.$this->right_delimiter;
- }
- }
- return '';
- case 'php':
- /* handle folded tags replaced by {php} */
- list(, $block) = each($this->_folded_blocks);
- $this->_current_line_no += substr_count($block[0], "n");
- /* the number of matched elements in the regexp in _compile_file()
- determins the type of folded tag that was found */
- switch (count($block)) {
- case 2: /* comment */
- return '';
- case 3: /* literal */
- return "<?php echo '" . strtr($block[2], array("'"=>"'", "\"=>"\\")) . "'; ?>" . $this->_additional_newline;
- case 4: /* php */
- if ($this->security && !$this->security_settings['PHP_TAGS']) {
- $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__);
- return;
- }
- return '<?php ' . $block[3] .' ?>';
- }
- break;
- 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, $tag_modifier, $output)) {
- return $output;
- } else if ($this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier, $output)) {
- return $output;
- } else {
- $this->_syntax_error("unrecognized tag '$tag_command'", E_USER_ERROR, __FILE__, __LINE__);
- }
- }
- }
- /**
- * compile the custom compiler tag
- *
- * sets $output to the compiled custom compiler tag
- * @param string $tag_command
- * @param string $tag_args
- * @param string $output
- * @return boolean
- */
- function _compile_compiler_tag($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 (!is_callable($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_' . $tag_command;
- if (!is_callable($plugin_func)) {
- $message = "plugin function $plugin_func() not found in $plugin_filen";
- $have_function = false;
- } else {
- $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true);
- }
- }
- /*
- * True return value means that we either found a plugin or a
- * dynamically registered function. False means that we didn't and the
- * compiler should now emit code to load custom function plugin for this
- * tag.
- */
- if ($found) {
- if ($have_function) {
- $output = call_user_func_array($plugin_func, array($tag_args, &$this));
- if($output != '') {
- $output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command)
- . $output
- . $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>';
- }
- } else {
- $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
- }
- return true;
- } else {
- return false;
- }
- }
- /**
- * compile block function tag
- *
- * sets $output to compiled block function tag
- * @param string $tag_command
- * @param string $tag_args
- * @param string $tag_modifier
- * @param string $output
- * @return boolean
- */
- function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$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 (!is_callable($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_filen";
- $have_function = false;
- } else {
- $this->_plugins['block'][$tag_command] = array($plugin_func, null, null, null, true);
- }
- }
- if (!$found) {
- return false;
- } else if (!$have_function) {
- $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
- 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)
- $this->_push_tag($tag_command);
- else
- $this->_pop_tag($tag_command);
- if ($start_tag) {
- $output = '<?php ' . $this->_push_cacheable_state('block', $tag_command);
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs='');
- $output .= "$_cache_attrs$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); ';
- $output .= $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat=true);';
- $output .= 'while ($_block_repeat) { ob_start(); ?>';
- } else {
- $output = '<?php $this->_block_content = ob_get_contents(); ob_end_clean(); ';
- $_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $this->_block_content, $this, $_block_repeat=false)';
- if ($tag_modifier != '') {
- $this->_parse_modifiers($_out_tag_text, $tag_modifier);
- }
- $output .= 'echo '.$_out_tag_text.'; } ';
- $output .= " array_pop($this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>';
- }
- return true;
- }
- /**
- * compile custom function tag
- *
- * @param string $tag_command
- * @param string $tag_args
- * @param string $tag_modifier
- * @return string
- */
- function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output)
- {
- $found = false;
- $have_function = true;
- /*
- * First we check if the custom function has already been registered
- * or loaded from a plugin file.
- */
- if (isset($this->_plugins['function'][$tag_command])) {
- $found = true;
- $plugin_func = $this->_plugins['function'][$tag_command][0];
- if (!is_callable($plugin_func)) {
- $message = "custom function '$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('function', $tag_command)) {
- $found = true;
- include_once $plugin_file;
- $plugin_func = 'smarty_function_' . $tag_command;
- if (!function_exists($plugin_func)) {
- $message = "plugin function $plugin_func() not found in $plugin_filen";
- $have_function = false;
- } else {
- $this->_plugins['function'][$tag_command] = array($plugin_func, null, null, null, true);
- }
- }
- if (!$found) {
- return false;
- } else if (!$have_function) {
- $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
- return true;
- }
- /* declare plugin to be loaded on display of the template that
- we compile right now */
- $this->_add_plugin('function', $tag_command);
- $_cacheable_state = $this->_push_cacheable_state('function', $tag_command);
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs='');
- $output = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), $this)";
- if($tag_modifier != '') {
- $this->_parse_modifiers($output, $tag_modifier);
- }
- if($output != '') {
- $output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';'
- . $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline;
- }
- return true;
- }
- /**
- * compile a registered object tag
- *
- * @param string $tag_command
- * @param array $attrs
- * @param string $tag_modifier
- * @return string
- */
- function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier)
- {
- if ($tag_command{0} == '/') {
- $start_tag = false;
- $tag_command = substr($tag_command, 1);
- } else {
- $start_tag = true;
- }
- list($object, $obj_comp) = explode('->', $tag_command);
- $arg_list = array();
- if(count($attrs)) {
- $_assign_var = false;
- foreach ($attrs as $arg_name => $arg_value) {
- if($arg_name == 'assign') {
- $_assign_var = $arg_value;
- unset($attrs['assign']);
- continue;
- }
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- }
- if($this->_reg_objects[$object][2]) {
- // smarty object argument format
- $args = "array(".implode(',', (array)$arg_list)."), $this";
- } else {
- // traditional argument format
- $args = implode(',', array_values($attrs));
- if (empty($args)) {
- $args = 'null';
- }
- }
- $prefix = '';
- $postfix = '';
- $newline = '';
- if(!is_object($this->_reg_objects[$object][0])) {
- $this->_trigger_fatal_error("registered '$object' is not an object" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__);
- } elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) {
- $this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'", $this->_current_file, $this->_current_line_no, __FILE__, __LINE__);
- } elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) {
- // method
- if(in_array($obj_comp, $this->_reg_objects[$object][3])) {
- // block method
- if ($start_tag) {
- $prefix = "$this->_tag_stack[] = array('$obj_comp', $args); ";
- $prefix .= "$this->_reg_objects['$object'][0]->$obj_comp($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat=true); ";
- $prefix .= "while ($_block_repeat) { ob_start();";
- $return = null;
- $postfix = '';
- } else {
- $prefix = "$this->_obj_block_content = ob_get_contents(); ob_end_clean(); ";
- $return = "$this->_reg_objects['$object'][0]->$obj_comp($this->_tag_stack[count($this->_tag_stack)-1][1], $this->_obj_block_content, $this, $_block_repeat=false)";
- $postfix = "} array_pop($this->_tag_stack);";
- }
- } else {
- // non-block method
- $return = "$this->_reg_objects['$object'][0]->$obj_comp($args)";
- }
- } else {
- // property
- $return = "$this->_reg_objects['$object'][0]->$obj_comp";
- }
- if($return != null) {
- if($tag_modifier != '') {
- $this->_parse_modifiers($return, $tag_modifier);
- }
- if(!empty($_assign_var)) {
- $output = "$this->assign('" . $this->_dequote($_assign_var) ."', $return);";
- } else {
- $output = 'echo ' . $return . ';';
- $newline = $this->_additional_newline;
- }
- } else {
- $output = '';
- }
- return '<?php ' . $prefix . $output . $postfix . "?>" . $newline;
- }
- /**
- * Compile {insert ...} tag
- *
- * @param string $tag_args
- * @return string
- */
- function _compile_insert_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $name = $this->_dequote($attrs['name']);
- if (empty($name)) {
- $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__);
- }
- if (!empty($attrs['script'])) {
- $delayed_loading = true;
- } else {
- $delayed_loading = false;
- }
- foreach ($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);
- $_params = "array('args' => array(".implode(', ', (array)$arg_list)."))";
- return "<?php require_once(SMARTY_CORE_DIR . 'core.run_insert_handler.php');necho smarty_core_run_insert_handler($_params, $this); ?>" . $this->_additional_newline;
- }
- /**
- * Compile {include ...} tag
- *
- * @param string $tag_args
- * @return string
- */
- function _compile_include_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = array();
- if (empty($attrs['file'])) {
- $this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__);
- }
- foreach ($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";
- $_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))";
- $output .= "$this->_smarty_include($_params);n" .
- "$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;
- }
- /**
- * Compile {include ...} tag
- *
- * @param string $tag_args
- * @return string
- */
- function _compile_include_php_tag($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- if (empty($attrs['file'])) {
- $this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__);
- }
- $assign_var = (empty($attrs['assign'])) ? '' : $this->_dequote($attrs['assign']);
- $once_var = (empty($attrs['once']) || $attrs['once']=='false') ? 'false' : 'true';
- $arg_list = array();
- foreach($attrs as $arg_name => $arg_value) {
- if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') {
- if(is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- }
- $_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', $arg_list)."))";
- return "<?php require_once(SMARTY_CORE_DIR . 'core.smarty_include_php.php');nsmarty_core_smarty_include_php($_params, $this); ?>" . $this->_additional_newline;
- }
- /**
- * Compile {section ...} tag
- *
- * @param string $tag_args
- * @return string
- */
- function _compile_section_start($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", E_USER_ERROR, __FILE__, __LINE__);
- }
- $output .= "unset($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($_loop=$attr_value) ? count($_loop) : max(0, (int)$_loop); unset($_loop);n";
- break;
- case 'show':
- if (is_bool($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'", E_USER_ERROR, __FILE__, __LINE__);
- 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" .
- "elsen" .
- " {$section_props}['start'] = min({$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" .
- " {$section_props}['show'] = false;n" .
- "} elsen" .
- " {$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;
- }
- /**
- * Compile {foreach ...} tag.
- *
- * @param string $tag_args
- * @return string
- */
- function _compile_foreach_start($tag_args)
- {
- $attrs = $this->_parse_attrs($tag_args);
- $arg_list = array();
- if (empty($attrs['from'])) {
- return $this->_syntax_error("foreach: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__);
- }
- $from = $attrs['from'];
- if (empty($attrs['item'])) {
- return $this->_syntax_error("foreach: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__);
- }
- $item = $this->_dequote($attrs['item']);
- if (!preg_match('~^w+$~', $item)) {
- return $this->_syntax_error("'foreach: item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__);
- }
- if (isset($attrs['key'])) {
- $key = $this->_dequote($attrs['key']);
- if (!preg_match('~^w+$~', $key)) {
- return $this->_syntax_error("foreach: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__);
- }
- $key_part = "$this->_tpl_vars['$key'] => ";
- } else {
- $key = null;
- $key_part = '';
- }
- if (isset($attrs['name'])) {
- $name = $attrs['name'];
- } else {
- $name = null;
- }
- $output = '<?php ';
- if (isset($name)) {
- $foreach_props = "$this->_foreach[$name]";
- $output .= "if (isset($this->_foreach[$name])) unset($this->_foreach[$name]);n";
- $output .= "{$foreach_props}['total'] = count($_from = (array)$from);n";
- $output .= "{$foreach_props}['show'] = {$foreach_props}['total'] > 0;n";
- $output .= "if ({$foreach_props}['show']):n";
- $output .= "{$foreach_props}['iteration'] = 0;n";
- $output .= " foreach ($_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 {
- $output .= "if (count($_from = (array)$from)):n";
- $output .= " foreach ($_from as $key_part$this->_tpl_vars['$item']):n";
- }
- $output .= '?>';
- return $output;
- }
- /**
- * Compile {capture} .. {/capture} tags
- *
- * @param boolean $start true if this is the {capture} tag
- * @param string $tag_args
- * @return string
- */
- function _compile_capture_tag($start, $tag_args = '')
- {
- $attrs = $this->_parse_attrs($tag_args);
- if ($start) {
- if (isset($attrs['name']))
- $buffer = $attrs['name'];
- else
- $buffer = "'default'";
- if (isset($attrs['assign']))
- $assign = $attrs['assign'];
- else
- $assign = null;
- $output = "<?php ob_start(); ?>";
- $this->_capture_stack[] = array($buffer, $assign);
- } else {
- list($buffer, $assign) = array_pop($this->_capture_stack);
- $output = "<?php $this->_smarty_vars['capture'][$buffer] = ob_get_contents(); ";
- if (isset($assign)) {
- $output .= " $this->assign($assign, ob_get_contents());";
- }
- $output .= "ob_end_clean(); ?>";
- }
- return $output;
- }
- /**
- * Compile {if ...} tag
- *
- * @param string $tag_args
- * @param boolean $elseif if true, uses elseif instead of if
- * @return string
- */
- function _compile_if_tag($tag_args, $elseif = false)
- {
- /* Tokenize args for 'if' tag. */
- preg_match_all('~(?>
- ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call
- ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)? | # var or quoted string
- -?0[xX][0-9a-fA-F]+|-?d+(?:.d+)?|.d+|!==|===|==|!=|<>|<<|>>|<=|>=|&&||||(|)|,|!|^|=|&|~|<|>|||%|+|-|/|*|@ | # valid non-word token
- bw+b | # valid word token
- S+ # anything else
- )~x', $tag_args, $match);
- $tokens = $match[0];
- // make sure we have balanced parenthesis
- $token_count = array_count_values($tokens);
- if(isset($token_count['(']) && $token_count['('] != $token_count[')']) {
- $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__);
- }
- $is_arg_stack = array();
- for ($i = 0; $i < count($tokens); $i++) {
- $token = &$tokens[$i];
- switch (strtolower($token)) {
- case '!':
- case '%':
- case '!==':
- case '==':
- case '===':
- case '>':
- case '<':
- case '!=':
- case '<>':
- case '<<':
- case '>>':
- case '<=':
- case '>=':
- case '&&':
- case '||':
- case '|':
- case '^':
- case '&':
- case '~':
- case ')':
- case ',':
- case '+':
- case '-':
- case '*':
- case '/':
- case '@':
- break;
- 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(preg_match('~^' . $this->_func_regexp . '$~', $token) ) {
- // function call
- if($this->security &&
- !in_array($token, $this->security_settings['IF_FUNCS'])) {
- $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__);
- }
- } elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) {
- // object or variable
- $token = $this->_parse_var_props($token);
- } elseif(is_numeric($token)) {
- // number, skip it
- } else {
- $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__);
- }
- break;
- }
- }
- if ($elseif)
- return '<?php elseif ('.implode(' ', $tokens).'): ?>';
- else
- return '<?php if ('.implode(' ', $tokens).'): ?>';
- }
- function _compile_arg_list($type, $name, $attrs, &$cache_code) {
- $arg_list = array();
- if (isset($type) && isset($name)
- && isset($this->_plugins[$type])
- && isset($this->_plugins[$type][$name])
- && empty($this->_plugins[$type][$name][4])
- && is_array($this->_plugins[$type][$name][5])
- ) {
- /* we have a list of parameters that should be cached */
- $_cache_attrs = $this->_plugins[$type][$name][5];
- $_count = $this->_cache_attrs_count++;
- $cache_code = "$_cache_attrs =& $this->_smarty_cache_attrs('$this->_cache_serial','$_count');";
- } else {
- /* no parameters are cached */
- $_cache_attrs = null;
- }
- foreach ($attrs as $arg_name => $arg_value) {
- if (is_bool($arg_value))
- $arg_value = $arg_value ? 'true' : 'false';
- if (is_null($arg_value))
- $arg_value = 'null';
- if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) {
- $arg_list[] = "'$arg_name' => ($this->_cache_including) ? $_cache_attrs['$arg_name'] : ($_cache_attrs['$arg_name']=$arg_value)";
- } else {
- $arg_list[] = "'$arg_name' => $arg_value";
- }
- }
- return $arg_list;
- }
- /**
- * Parse is expression
- *
- * @param string $is_arg
- * @param array $tokens
- * @return array
- */
- function _parse_is_expr($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 (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))";
- } else
- $expr = "!(1 & $is_arg)";
- break;
- case 'odd':
- if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))";
- } else
- $expr = "(1 & $is_arg)";
- break;
- case 'div':
- if (@$tokens[$expr_end] == 'by') {
- $expr_end++;
- $expr_arg = $tokens[$expr_end++];
- $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")";
- } else {
- $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__);
- }
- break;
- default:
- $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__);
- break;
- }
- if ($negate_expr) {
- $expr = "!($expr)";
- }
- array_splice($tokens, 0, $expr_end, $expr);
- return $tokens;
- }
- /**
- * Parse attribute string
- *
- * @param string $tag_args
- * @return array
- */
- function _parse_attrs($tag_args)
- {
- /* Tokenize tag attributes. */
- preg_match_all('~(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"'=s]+)
- )+ |
- [=]
- ~x', $tag_args, $match);
- $tokens = $match[0];
- $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'", E_USER_ERROR, __FILE__, __LINE__);
- break;
- case 1:
- /* If the token is '=', then we go to state 2. */
- if ($token == '=') {
- $state = 2;
- } else
- $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
- 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)) {
- $token = 'false';
- } else if ($token == 'null') {
- $token = 'null';
- } else if (preg_match('~^' . $this->_num_const_regexp . '|0[xX][0-9a-fA-F]+$~', $token)) {
- /* treat integer literally */
- } else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) {
- /* treat as a string, double-quote it escaping quotes */
- $token = '"'.addslashes($token).'"';
- }
- $attrs[$attr_name] = $token;
- $state = 0;
- } else
- $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__);
- break;
- }
- $last_token = $token;
- }
- if($state != 0) {
- if($state == 1) {
- $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
- } else {
- $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__);
- }
- }
- $this->_parse_vars_props($attrs);
- return $attrs;
- }
- /**
- * compile multiple variables and section properties tokens into
- * PHP code
- *
- * @param array $tokens
- */
- function _parse_vars_props(&$tokens)
- {
- foreach($tokens as $key => $val) {
- $tokens[$key] = $this->_parse_var_props($val);
- }
- }
- /**
- * compile single variable and section properties token into
- * PHP code
- *
- * @param string $val
- * @param string $tag_attrs
- * @return string
- */
- function _parse_var_props($val)
- {
- $val = trim($val);
- if(preg_match('~^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(' . $this->_mod_regexp . '*)$~', $val, $match)) {
- // $ variable or object
- $return = $this->_parse_var($match[1]);
- $modifiers = $match[2];
- if (!empty($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;
- }
- $this->_parse_modifiers($return, $modifiers);
- return $return;
- } elseif (preg_match('~^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) {
- // double quoted text
- preg_match('~^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match);
- $return = $this->_expand_quoted_text($match[1]);
- if($match[2] != '') {
- $this->_parse_modifiers($return, $match[2]);
- }
- return $return;
- }
- elseif(preg_match('~^' . $this->_num_const_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) {
- // numerical constant
- preg_match('~^(' . $this->_num_const_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match);
- if($match[2] != '') {
- $this->_parse_modifiers($match[1], $match[2]);
- return $match[1];
- }
- }
- elseif(preg_match('~^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) {
- // single quoted text
- preg_match('~^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match);
- if($match[2] != '') {
- $this->_parse_modifiers($match[1], $match[2]);
- return $match[1];
- }
- }
- elseif(preg_match('~^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) {
- // config var
- return $this->_parse_conf_var($val);
- }
- elseif(preg_match('~^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) {
- // section var
- return $this->_parse_section_prop($val);
- }
- elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) {
- // literal string
- return $this->_expand_quoted_text('"' . $val .'"');
- }
- return $val;
- }
- /**
- * expand quoted text with embedded variables
- *
- * @param string $var_expr
- * @return string
- */
- function _expand_quoted_text($var_expr)
- {
- // if contains unescaped $, expand it
- if(preg_match_all('~(?:`(?<!\\)$' . $this->_dvar_guts_regexp . '(?:' . $this->_obj_ext_regexp . ')*`)|(?:(?<!\\)$w+([[a-zA-Z0-9]+])*)~', $var_expr, $_match)) {
- $_match = $_match[0];
- rsort($_match);
- reset($_match);
- foreach($_match as $_var) {
- $var_expr = str_replace ($_var, '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."', $var_expr);
- }
- $_return = preg_replace('~.""|(?<!\\)"".~', '', $var_expr);
- } else {
- $_return = $var_expr;
- }
- // replace double quoted literal string with single quotes
- $_return = preg_replace('~^"([sw]+)"$~',"'\1'",$_return);
- return $_return;
- }
- /**
- * parse variable expression into PHP code
- *
- * @param string $var_expr
- * @param string $output
- * @return string
- */
- function _parse_var($var_expr)
- {
- $_has_math = false;
- $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE);
- if(count($_math_vars) > 1) {
- $_first_var = "";
- $_complete_var = "";
- $_output = "";
- // simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter)
- foreach($_math_vars as $_k => $_math_var) {
- $_math_var = $_math_vars[$_k];
- if(!empty($_math_var) || is_numeric($_math_var)) {
- // hit a math operator, so process the stuff which came before it
- if(preg_match('~^' . $this->_dvar_math_regexp . '$~', $_math_var)) {
- $_has_math = true;
- if(!empty($_complete_var) || is_numeric($_complete_var)) {
- $_output .= $this->_parse_var($_complete_var);
- }
- // just output the math operator to php
- $_output .= $_math_var;
- if(empty($_first_var))
- $_first_var = $_complete_var;
- $_complete_var = "";
- } else {
- $_complete_var .= $_math_var;
- }
- }
- }
- if($_has_math) {
- if(!empty($_complete_var) || is_numeric($_complete_var))
- $_output .= $this->_parse_var($_complete_var);
- // get the modifiers working (only the last var from math + modifier is left)
- $var_expr = $_complete_var;
- }
- }
- // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit)
- if(is_numeric($var_expr{0}))
- $_var_ref = $var_expr;
- else
- $_var_ref = substr($var_expr, 1);
- if(!$_has_math) {
- // get [foo] and .foo and ->foo and (...) pieces
- preg_match_all('~(?:^w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->$?w+|.$?w+|S+~', $_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['$_var_name']";
- }
- } elseif(is_numeric($_var_name) && is_numeric($var_expr{0})) {
- // because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers
- if(count($_indexes) > 0)
- {
- $_var_name .= implode("", $_indexes);
- $_indexes = array();
- }
- $_output = $_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 ($_index{0} == '$') {
- if (strpos($_index, '.') !== false) {
- $_output .= '[' . $this->_parse_var($_index) . ']';
- } else {
- $_output .= "[$this->_tpl_vars['" . substr($_index, 1) . "']]";
- }
- } else {
- $_var_parts = explode('.', $_index);
- $_var_section = $_var_parts[0];
- $_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index';
- $_output .= "[$this->_sections['$_var_section']['$_var_section_prop']]";
- }
- } else if ($_index{0} == '.') {
- if ($_index{1} == '$')
- $_output .= "[$this->_tpl_vars['" . substr($_index, 2) . "']]";
- else
- $_output .= "['" . substr($_index, 1) . "']";
- } else if (substr($_index,0,2) == '->') {
- if(substr($_index,2,2) == '__') {
- $this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__);
- } elseif($this->security && substr($_index, 2, 1) == '_') {
- $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__);
- } elseif ($_index{2} == '$') {
- if ($this->security) {
- $this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__);
- } else {
- $_output .= '->{(($_var=$this->_tpl_vars[''.substr($_index,3).'']) && substr($_var,0,2)!='__') ? $_var : $this->trigger_error("cannot access property \"$_var\"")}';
- }
- } else {
- $_output .= $_index;
- }
- } elseif ($_index{0} == '(') {
- $_index = $this->_parse_parenth_args($_index);
- $_output .= $_index;
- } else {
- $_output .= $_index;
- }
- }
- }
- return $_output;
- }
- /**
- * parse arguments in function call parenthesis
- *
- * @param string $parenth_args
- * @return string
- */
- function _parse_parenth_args($parenth_args)
- {
- preg_match_all('~' . $this->_param_regexp . '~',$parenth_args, $match);
- $orig_vals = $match = $match[0];
- $this->_parse_vars_props($match);
- $replace = array();
- for ($i = 0, $count = count($match); $i < $count; $i++) {
- $replace[$orig_vals[$i]] = $match[$i];
- }
- return strtr($parenth_args, $replace);
- }
- /**
- * parse configuration variable expression into PHP code
- *
- * @param string $conf_var_expr
- */
- function _parse_conf_var($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;
- }
- /**
- * parse section property expression into PHP code
- *
- * @param string $section_prop_expr
- * @return string
- */
- function _parse_section_prop($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;
- }
- /**
- * parse modifier chain into PHP code
- *
- * sets $output to parsed modified chain
- * @param string $output
- * @param string $modifier_string
- */
- function _parse_modifiers(&$output, $modifier_string)
- {
- preg_match_all('~|(@?w+)((?>:(?:'. $this->_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('~:(' . $this->_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 {
- $_map_array = true;
- }
- if (empty($this->_plugins['modifier'][$_modifier_name])
- && !$this->_get_plugin_filepath('modifier', $_modifier_name)
- && function_exists($_modifier_name)) {
- if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) {
- $this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__);
- } else {
- $this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false);
- }
- }
- $this->_add_plugin('modifier', $_modifier_name);
- $this->_parse_vars_props($_modifier_args);
- if($_modifier_name == 'default') {
- // supress notifications of default modifier vars and args
- if($output{0} == '$') {
- $output = '@' . $output;
- }
- if(isset($_modifier_args[0]) && $_modifier_args[0]{0} == '$') {
- $_modifier_args[0] = '@' . $_modifier_args[0];
- }
- }
- if (count($_modifier_args) > 0)
- $_modifier_args = ', '.implode(', ', $_modifier_args);
- else
- $_modifier_args = '';
- if ($_map_array) {
- $output = "((is_array($_tmp=$output)) ? $this->_run_mod_handler('$_modifier_name', true, $_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "($_tmp$_modifier_args))";
- } else {
- $output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)";
- }
- }
- }
- /**
- * add plugin
- *
- * @param string $type
- * @param string $name
- * @param boolean? $delayed_loading
- */
- function _add_plugin($type, $name, $delayed_loading = null)
- {
- if (!isset($this->_plugin_info[$type])) {
- $this->_plugin_info[$type] = array();
- }
- if (!isset($this->_plugin_info[$type][$name])) {
- $this->_plugin_info[$type][$name] = array($this->_current_file,
- $this->_current_line_no,
- $delayed_loading);
- }
- }
- /**
- * Compiles references of type $smarty.foo
- *
- * @param string $indexes
- * @return string
- */
- function _compile_smarty_ref(&$indexes)
- {
- /* Extract the reference name. */
- $_ref = substr($indexes[0], 1);
- foreach($indexes as $_index_no=>$_index) {
- if ($_index{0} != '.' && $_index_no<2 || !preg_match('~^(.|[|->)~', $_index)) {
- $this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
- }
- }
- switch ($_ref) {
- case 'now':
- $compiled_ref = 'time()';
- $_max_index = 1;
- break;
- case 'foreach':
- case 'section':
- array_shift($indexes);
- $_var = $this->_parse_var_props(substr($indexes[0], 1));
- if ($_ref == 'foreach')
- $compiled_ref = "$this->_foreach[$_var]";
- else
- $compiled_ref = "$this->_sections[$_var]";
- break;
- case 'get':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_GET' : "$GLOBALS['HTTP_GET_VARS']";
- break;
- case 'post':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_POST' : "$GLOBALS['HTTP_POST_VARS']";
- break;
- case 'cookies':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_COOKIE' : "$GLOBALS['HTTP_COOKIE_VARS']";
- break;
- case 'env':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_ENV' : "$GLOBALS['HTTP_ENV_VARS']";
- break;
- case 'server':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_SERVER' : "$GLOBALS['HTTP_SERVER_VARS']";
- break;
- case 'session':
- $compiled_ref = ($this->request_use_auto_globals) ? '$_SESSION' : "$GLOBALS['HTTP_SESSION_VARS']";
- break;
- /*
- * These cases are handled either at run-time or elsewhere in the
- * compiler.
- */
- case 'request':
- if ($this->request_use_auto_globals) {
- $compiled_ref = '$_REQUEST';
- break;
- } else {
- $this->_init_smarty_vars = true;
- }
- return null;
- case 'capture':
- return null;
- case 'template':
- $compiled_ref = "'$this->_current_file'";
- $_max_index = 1;
- break;
- case 'version':
- $compiled_ref = "'$this->_version'";
- $_max_index = 1;
- break;
- case 'const':
- if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) {
- $this->_syntax_error("(secure mode) constants not permitted",
- E_USER_WARNING, __FILE__, __LINE__);
- return;
- }
- array_shift($indexes);
- $_val = $this->_parse_var_props(substr($indexes[0],1));
- $compiled_ref = '@constant(' . $_val . ')';
- $_max_index = 1;
- break;
- case 'config':
- $compiled_ref = "$this->_config[0]['vars']";
- $_max_index = 3;
- break;
- case 'ldelim':
- $compiled_ref = "'$this->left_delimiter'";
- break;
- case 'rdelim':
- $compiled_ref = "'$this->right_delimiter'";
- break;
- default:
- $this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__);
- break;
- }
- if (isset($_max_index) && count($indexes) > $_max_index) {
- $this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
- }
- array_shift($indexes);
- return $compiled_ref;
- }
- /**
- * compiles call to plugin of type $type with name $name
- * returns a string containing the function-name or method call
- * without the paramter-list that would have follow to make the
- * call valid php-syntax
- *
- * @param string $type
- * @param string $name
- * @return string
- */
- function _compile_plugin_call($type, $name) {
- if (isset($this->_plugins[$type][$name])) {
- /* plugin loaded */
- if (is_array($this->_plugins[$type][$name][0])) {
- return ((is_object($this->_plugins[$type][$name][0][0])) ?
- "$this->_plugins['$type']['$name'][0][0]->" /* method callback */
- : (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */
- ). $this->_plugins[$type][$name][0][1];
- } else {
- /* function callback */
- return $this->_plugins[$type][$name][0];
- }
- } else {
- /* plugin not loaded -> auto-loadable-plugin */
- return 'smarty_'.$type.'_'.$name;
- }
- }
- /**
- * load pre- and post-filters
- */
- function _load_filters()
- {
- if (count($this->_plugins['prefilter']) > 0) {
- foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) {
- if ($prefilter === false) {
- unset($this->_plugins['prefilter'][$filter_name]);
- $_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false)));
- require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
- smarty_core_load_plugins($_params, $this);
- }
- }
- }
- if (count($this->_plugins['postfilter']) > 0) {
- foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) {
- if ($postfilter === false) {
- unset($this->_plugins['postfilter'][$filter_name]);
- $_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false)));
- require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
- smarty_core_load_plugins($_params, $this);
- }
- }
- }
- }
- /**
- * Quote subpattern references
- *
- * @param string $string
- * @return string
- */
- function _quote_replace($string)
- {
- return strtr($string, array('\' => '\\', '$' => '\$'));
- }
- /**
- * display Smarty syntax error
- *
- * @param string $error_msg
- * @param integer $error_type
- * @param string $file
- * @param integer $line
- */
- function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null)
- {
- $this->_trigger_fatal_error("syntax error: $error_msg", $this->_current_file, $this->_current_line_no, $file, $line, $error_type);
- }
- /**
- * check if the compilation changes from cacheable to
- * non-cacheable state with the beginning of the current
- * plugin. return php-code to reflect the transition.
- * @return string
- */
- function _push_cacheable_state($type, $name) {
- $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4];
- if ($_cacheable
- || 0<$this->_cacheable_state++) return '';
- if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty'));
- $_ret = 'if ($this->caching && !$this->_cache_including) { echo '{nocache:'
- . $this->_cache_serial . '#' . $this->_nocache_count
- . '}';}';
- return $_ret;
- }
- /**
- * check if the compilation changes from non-cacheable to
- * cacheable state with the end of the current plugin return
- * php-code to reflect the transition.
- * @return string
- */
- function _pop_cacheable_state($type, $name) {
- $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4];
- if ($_cacheable
- || --$this->_cacheable_state>0) return '';
- return 'if ($this->caching && !$this->_cache_including) { echo '{/nocache:'
- . $this->_cache_serial . '#' . ($this->_nocache_count++)
- . '}';}';
- }
- /**
- * push opening tag-name, file-name and line-number on the tag-stack
- * @param string the opening tag's name
- */
- function _push_tag($open_tag)
- {
- array_push($this->_tag_stack, array($open_tag, $this->_current_line_no));
- }
- /**
- * pop closing tag-name
- * raise an error if this stack-top doesn't match with the closing tag
- * @param string the closing tag's name
- * @return string the opening tag's name
- */
- function _pop_tag($close_tag)
- {
- $message = '';
- if (count($this->_tag_stack)>0) {
- list($_open_tag, $_line_no) = array_pop($this->_tag_stack);
- if ($close_tag == $_open_tag) {
- return $_open_tag;
- }
- if ($close_tag == 'if' && ($_open_tag == 'else' || $_open_tag == 'elseif' )) {
- return $this->_pop_tag($close_tag);
- }
- if ($close_tag == 'section' && $_open_tag == 'sectionelse') {
- $this->_pop_tag($close_tag);
- return $_open_tag;
- }
- if ($close_tag == 'foreach' && $_open_tag == 'foreachelse') {
- $this->_pop_tag($close_tag);
- return $_open_tag;
- }
- if ($_open_tag == 'else' || $_open_tag == 'elseif') {
- $_open_tag = 'if';
- } elseif ($_open_tag == 'sectionelse') {
- $_open_tag = 'section';
- } elseif ($_open_tag == 'foreachelse') {
- $_open_tag = 'foreach';
- }
- $message = " expected {/$_open_tag} (opened line $_line_no).";
- }
- $this->_syntax_error("mismatched tag {/$close_tag}.$message",
- E_USER_ERROR, __FILE__, __LINE__);
- }
- }
- /**
- * compare to values by their string length
- *
- * @access private
- * @param string $a
- * @param string $b
- * @return 0|-1|1
- */
- function _smarty_sort_length($a, $b)
- {
- if($a == $b)
- return 0;
- if(strlen($a) == strlen($b))
- return ($a > $b) ? -1 : 1;
- return (strlen($a) > strlen($b)) ? -1 : 1;
- }
- /* vim: set et: */
- ?>