/smarty/Smarty_Compiler.class.php
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- <?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 at ohrt dot com>
- * @author Andrei Zmievski <andrei@php.net>
- * @version 2.6.14
- * @copyright 2001-2005 New Digital Group, Inc.
- * @package Smarty
- */
- /* $Id: Smarty_Compiler.class.php,v 1.381 2006/05/25 14:46:18 boots 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, '~');
- /* un-hide hidden xml open tags */
- $source_content = preg_replace("~<({$ldq}(.*?){$rdq})[?]~s", '< \\1', $source_content);
- // run template source through prefilter functions
- if (count($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*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}|{$ldq}\s*php\s*{$rdq}(.*?){$ldq}\s*/php\s*{$rdq}~s";
- preg_match_all($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+|=)?|\?>|language\s*=\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;
- }
- /* Reformat $text_blocks between 'strip' and '/strip' tags,
- removing spaces, tabs and newlines. */
- $strip = false;
- for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) {
- if ($compiled_tags[$i] == '{strip}') {
- $compiled_tags[$i] = '';
- $strip = true;
- /* remove leading whitespaces */
- $text_blocks[$i + 1] = ltrim($text_blocks[$i + 1]);
- }
- if ($strip) {
- /* strip all $text_blocks before the next '/strip' */
- for ($j = $i + 1; $j < $for_max; $j++) {
- /* remove leading and trailing whitespaces of each line */
- $text_blocks[$j] = preg_replace('![\t ]*[\r\n]+[\t ]*!', '', $text_blocks[$j]);
- if ($compiled_tags[$j] == '{/strip}') {
- /* remove trailing whitespaces from the last text_block */
- $text_blocks[$j] = rtrim($text_blocks[$j]);
- }
- $text_blocks[$j] = "<?php echo '" . strtr($text_blocks[$j], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>";
- if ($compiled_tags[$j] == '{/strip}') {
- $compiled_tags[$j] = "\n"; /* slurped by php, but necessary
- if a newline is following the closing strip-tag */
- $strip = false;
- $i = $j;
- break;
- }
- }
- }
- }
- $compiled_content = '';
- /* Interleave the compiled contents and text blocks to get the final result. */
- for ($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('~^(\r\n|\r|\n)~', '', $text_blocks[$i+1]);
- }
- $compiled_content .= $text_blocks[$i].$compiled_tags[$i];
- }
- $compiled_content .= $text_blocks[$i];
- // remove \n from the end of the file, if any
- if (strlen($compiled_content) && (substr($compiled_content, -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', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $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 (substr($template_tag, 0, 1) == '*' && substr($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);
- 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; else: ?>";
- case '/foreach':
- $_open_tag = $this->_pop_tag('foreach');
- if ($_open_tag == 'foreachelse')
- return "<?php endif; unset(\$_from); ?>";
- else
- return "<?php endforeach; endif; unset(\$_from); ?>";
- break;
- case 'strip':
- case '/strip':
- if (substr($tag_command, 0, 1)=='/') {
- $this->_pop_tag('strip');
- if (--$this->_strip_depth==0) { /* outermost closing {/strip} */
- $this->_additional_newline = "\n";
- return '{' . $tag_command . '}';
- }
- } else {
- $this->_push_tag('strip');
- if ($this->_strip_depth++==0) { /* outermost opening {strip} */
- $this->_additional_newline = "";
- return '{' . $tag_command . '}';
- }
- }
- 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_file\n";
- $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 (substr($tag_command, 0, 1) == '/') {
- $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_file\n";
- $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);
- $_cache_attrs='';
- $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).')); ';
- $output .= '$_block_repeat=true;' . $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat);';
- $output .= 'while ($_block_repeat) { ob_start(); ?>';
- } else {
- $output = '<?php $_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], $_block_content, $this, $_block_repeat)';
- if ($tag_modifier != '') {
- $this->_parse_modifiers($_out_tag_text, $tag_modifier);
- }
- $output .= '$_block_repeat=false;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_file\n";
- $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);
- $_cache_attrs = '';
- $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, $tag_modifier)
- {
- if (substr($tag_command, 0, 1) == '/') {
- $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); ";
- $prefix .= "\$_block_repeat=true; \$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat); ";
- $prefix .= "while (\$_block_repeat) { ob_start();";
- $return = null;
- $postfix = '';
- } else {
- $prefix = "\$_obj_block_content = ob_get_contents(); ob_end_clean(); \$_block_repeat=false;";
- $return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$_obj_block_content, \$this, \$_block_repeat)";
- $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" .
- "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;
- }
- /**
- * 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 ';
- $output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }";
- if (isset($name)) {
- $foreach_props = "\$this->_foreach[$name]";
- $output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n";
- $output .= "if ({$foreach_props}['total'] > 0):\n";
- $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n";
- $output .= " {$foreach_props}['iteration']++;\n";
- } else {
- $output .= "if (count(\$_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
- …
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