diff options
Diffstat (limited to 'include/smarty/libs/Smarty_Compiler.class.php')
| -rw-r--r-- | include/smarty/libs/Smarty_Compiler.class.php | 2325 |
1 files changed, 2325 insertions, 0 deletions
diff --git a/include/smarty/libs/Smarty_Compiler.class.php b/include/smarty/libs/Smarty_Compiler.class.php new file mode 100644 index 000000000..d5f877f7b --- /dev/null +++ b/include/smarty/libs/Smarty_Compiler.class.php @@ -0,0 +1,2325 @@ +<?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 2.6.19 + * @copyright 2001-2005 New Digital Group, Inc. + * @package Smarty + */ + +/* $Id$ */ + +/** + * 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*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*[\"\']?\s*php\s*[\"\']?)~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 = ''; + + $tag_guard = '%%%SMARTYOTG' . md5(uniqid(rand(), true)) . '%%%'; + + /* Interleave the compiled contents and text blocks to get the final result. */ + for ($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]); + } + // replace legit PHP tags with placeholder + $text_blocks[$i] = str_replace('<?', $tag_guard, $text_blocks[$i]); + $compiled_tags[$i] = str_replace('<?', $tag_guard, $compiled_tags[$i]); + + $compiled_content .= $text_blocks[$i] . $compiled_tags[$i]; + } + $compiled_content .= str_replace('<?', $tag_guard, $text_blocks[$i]); + + // escape php tags created by interleaving + $compiled_content = str_replace('<?', "<?php echo '<?' ?>\n", $compiled_content); + $compiled_content = preg_replace("~(?<!')language\s*=\s*[\"\']?\s*php\s*[\"\']?~", "<?php echo 'language=php' ?>\n", $compiled_content); + + // recover legit tags + $compiled_content = str_replace($tag_guard, '<?', $compiled_content); + + // remove \n from the end of the file, if any + if (strlen($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."'; ?>" . $compiled_content; + } + + // run compiled template through postfilter functions + if (count($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 = ''; + } + } + + $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)) { + return $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); + } + + if (!preg_match('~^\w+$~', $name)) { + return $this->_syntax_error("'insert: 'name' must be an insert function name", E_USER_ERROR, __FILE__, __LINE__); + } + + if (!empty($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) { + $buffer = isset($attrs['name']) ? $attrs['name'] : "'default'"; + $assign = isset($attrs['assign']) ? $attrs['assign'] : null; + $append = isset($attrs['append']) ? $attrs['append'] : null; + + $output = "<?php ob_start(); ?>"; + $this->_capture_stack[] = array($buffer, $assign, $append); + } else { + list($buffer, $assign, $append) = array_pop($this->_capture_stack); + $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; + if (isset($assign)) { + $output .= " \$this->assign($assign, ob_get_contents());"; + } + if (isset($append)) { + $output .= " \$this->append($append, 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 + \b\w+\b | # valid word token + \S+ # anything else + )~x', $tag_args, $match); + + $tokens = $match[0]; + + if(empty($tokens)) { + $_error_msg = $elseif ? "'elseif'" : "'if'"; + $_error_msg .= ' statement requires arguments'; + $this->_syntax_error($_error_msg, E_USER_ERROR, __FILE__, __LINE__); + } + + + // 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('~^' . $this->_var_regexp . '$~', $token) && (strpos('+-*/^%&|', substr($token, -1)) === false) && isset($tokens[$i+1]) && $tokens[$i+1] == '(') { + // variable function call + $this->_syntax_error("variable function call '$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 $this->_expand_quoted_text('"' . strtr($val, array('\\' => '\\\\', '"' => '\\"')) .'"'); + } + 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]; + $_replace = array(); + foreach($_match as $_var) { + $_replace[$_var] = '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."'; + } + $var_expr = strtr($var_expr, $_replace); + $_return = preg_replace('~\.""|(?<!\\\\)""\.~', '', $var_expr); + } else { + $_return = $var_expr; + } + // replace double quoted literal string with single quotes + $_return = preg_replace('~^"([\s\w]+)"$~',"'\\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 = $_complete_var; + } + } + + // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) + if(is_numeric(substr($var_expr, 0, 1))) + $_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($_var_name) && is_numeric(substr($var_expr, 0, 1))) { + // 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 $_index) { + if (substr($_index, 0, 1) == '[') { + $_index = substr($_index, 1, -1); + if (is_numeric($_index)) { + $_output .= "[$_index]"; + } elseif (substr($_index, 0, 1) == '$') { + 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']['$_var_section_prop']]"; + } + } else if (substr($_index, 0, 1) == '.') { + if (substr($_index, 1, 1) == '$') + $_output .= "[\$this->_tpl_vars['" . substr($_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) == '_') { + $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); + } elseif (substr($_index, 2, 1) == '$') { + if ($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 .= $_index; + } + } elseif (substr($_index, 0, 1) == '(') { + $_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 = $_match[1]; + + if (substr($_modifier_name, 0, 1) == '@') { + $_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($_modifier_name == 'default') { + // supress notifications of default modifier vars and args + if(substr($output, 0, 1) == '$') { + $output = '@' . $output; + } + if(isset($_modifier_args[0]) && substr($_modifier_args[0], 0, 1) == '$') { + $_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 (substr($_index, 0, 1) != '.' && $_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()'; + $_max_index = 1; + break; + + case 'foreach': + array_shift($indexes); + $_var = $this->_parse_var_props(substr($indexes[0], 1)); + $_propname = substr($indexes[1], 1); + $_max_index = 1; + switch ($_propname) { + case 'index': + array_shift($indexes); + $compiled_ref = "(\$this->_foreach[$_var]['iteration']-1)"; + break; + + case 'first': + array_shift($indexes); + $compiled_ref = "(\$this->_foreach[$_var]['iteration'] <= 1)"; + break; + + case 'last': + array_shift($indexes); + $compiled_ref = "(\$this->_foreach[$_var]['iteration'] == \$this->_foreach[$_var]['total'])"; + break; + + case 'show': + array_shift($indexes); + $compiled_ref = "(\$this->_foreach[$_var]['total'] > 0)"; + break; + + default: + unset($_max_index); + $compiled_ref = "\$this->_foreach[$_var]"; + } + break; + + case 'section': + array_shift($indexes); + $_var = $this->_parse_var_props(substr($indexes[0], 1)); + $compiled_ref = "\$this->_sections[$_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); + if (preg_match('!^\.\w+$!', $indexes[0])) { + $compiled_ref = '@' . substr($indexes[0], 1); + } else { + $_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 + . '}\'; endif;'; + 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++) + . '}\'; endif;'; + } + + + /** + * 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: */ + +?> |