<?php
/**
* Smarty Internal Plugin Smarty Template Compiler Base
* This file contains the basic classes and methods for compiling Smarty templates with lexer/parser
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Main abstract compiler class
*
* @package Smarty
* @subpackage Compiler
*/
abstract class Smarty_Internal_TemplateCompilerBase {
/**
* Smarty object
*
* @var Smarty
*/
public $smarty = null;
/**
* hash for nocache sections
*
* @var mixed
*/
public $nocache_hash = null;
/**
* suppress generation of nocache code
*
* @var bool
*/
public $suppressNocacheProcessing = false;
/**
* compile tag objects
*
* @var array
*/
public static $_tag_objects = array();
/**
* tag stack
*
* @var array
*/
public $_tag_stack = array();
/**
* current template
*
* @var Smarty_Internal_Template
*/
public $template = null;
/**
* merged included sub template data
*
* @var array
*/
public $mergedSubTemplatesData = array();
/**
* merged sub template code
*
* @var array
*/
public $mergedSubTemplatesCode = array();
/**
* collected template properties during compilation
*
* @var array
*/
public $templateProperties = array();
/**
* sources which must be compiled
*
* @var array
*/
public $sources = array();
/**
* flag that we are inside {block}
*
* @var bool
*/
public $inheritance = false;
/**
* flag when compiling inheritance child template
*
* @var bool
*/
public $inheritance_child = false;
/**
* uid of templates called by {extends} for recursion check
*
* @var array
*/
public $extends_uid = array();
/**
* source line offset for error messages
*
* @var int
*/
public $trace_line_offset = 0;
/**
* trace uid
*
* @var string
*/
public $trace_uid = '';
/**
* trace file path
*
* @var string
*/
public $trace_filepath = '';
/**
* stack for tracing file and line of nested {block} tags
*
* @var array
*/
public $trace_stack = array();
/**
* plugins loaded by default plugin handler
*
* @var array
*/
public $default_handler_plugins = array();
/**
* saved preprocessed modifier list
*
* @var mixed
*/
public $default_modifier_list = null;
/**
* force compilation of complete template as nocache
*
* @var boolean
*/
public $forceNocache = false;
/**
* suppress Smarty header code in compiled template
*
* @var bool
*/
public $suppressHeader = false;
/**
* suppress template property header code in compiled template
*
* @var bool
*/
public $suppressTemplatePropertyHeader = false;
/**
* suppress pre and post filter
*
* @var bool
*/
public $suppressFilter = false;
/**
* flag if compiled template file shall we written
*
* @var bool
*/
public $write_compiled_code = true;
/**
* flag if currently a template function is compiled
*
* @var bool
*/
public $compiles_template_function = false;
/**
* called sub functions from template function
*
* @var array
*/
public $called_functions = array();
/**
* compiled template function code
*
* @var string
*/
public $templateFunctionCode = '';
/**
* php_handling setting either from Smarty or security
*
* @var int
*/
public $php_handling = 0;
/**
* flags for used modifier plugins
*
* @var array
*/
public $modifier_plugins = array();
/**
* type of already compiled modifier
*
* @var array
*/
public $known_modifier_type = array();
/**
* parent compiler object for merged subtemplates and template functions
*
* @var Smarty_Internal_TemplateCompilerBase
*/
public $parent_compiler = null;
/**
* Flag true when compiling nocache section
*
* @var bool
*/
public $nocache = false;
/**
* Flag true when tag is compiled as nocache
*
* @var bool
*/
public $tag_nocache = false;
/**
* Flag to restart parsing
*
* @var bool
*/
public $abort_and_recompile = false;
/**
* Compiled tag prefix code
*
* @var array
*/
public $prefix_code = array();
/**
* Prefix code stack
*
* @var array
*/
public $prefixCodeStack = array();
/**
* Tag has compiled code
*
* @var bool
*/
public $has_code = false;
/**
* A variable string was compiled
*
* @var bool
*/
public $has_variable_string = false;
/**
* Tag creates output
*
* @var bool
*/
public $has_output = false;
/**
* Strip preg pattern
*
* @var string
*/
public $stripRegEx = '![\t ]*[\r\n]+[\t ]*!';
/**
* method to compile a Smarty template
*
* @param mixed $_content template source
*
* @return bool true if compiling succeeded, false if it failed
*/
abstract protected function doCompile($_content);
/**
* Initialize compiler
*/
public function __construct() {
$this->nocache_hash = str_replace(array('.', ','), '_', uniqid(rand(), true));
}
/**
* Method to compile a Smarty template
*
* @param Smarty_Internal_Template $template template object to compile
* @param bool $nocache true is shall be compiled in nocache mode
* @param null|Smarty_Internal_TemplateCompilerBase $parent_compiler
*
* @return bool true if compiling succeeded, false if it failed
*/
public function compileTemplate(Smarty_Internal_Template $template, $nocache = null, $parent_compiler = null) {
// save template object in compiler class
$this->template = $template;
if (isset($this->template->smarty->security_policy)) {
$this->php_handling = $this->template->smarty->security_policy->php_handling;
} else {
$this->php_handling = $this->template->smarty->php_handling;
}
$this->parent_compiler = $parent_compiler ? $parent_compiler : $this;
$nocache = isset($nocache) ? $nocache : false;
if (empty($template->properties['nocache_hash'])) {
$template->properties['nocache_hash'] = $this->nocache_hash;
} else {
$this->nocache_hash = $template->properties['nocache_hash'];
}
$save_source = $this->template->source;
// template header code
$template_header = '';
if (!$this->suppressHeader) {
$template_header .= "<?php /* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . "\n";
$template_header .= " compiled from \"" . $this->template->source->filepath . "\" */ ?>\n";
}
if (empty($this->template->source->components)) {
$this->sources = array($template->source);
} else {
// we have array of inheritance templates by extends: resource
$this->sources = array_reverse($template->source->components);
}
$loop = 0;
// the $this->sources array can get additional elements while compiling by the {extends} tag
while ($this->template->source = array_shift($this->sources)) {
$this->smarty->_current_file = $this->template->source->filepath;
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_compile($this->template);
}
$no_sources = count($this->sources);
$this->parent_compiler->template->properties['file_dependency'][$this->template->source->uid] = array($this->template->source->filepath, $this->template->source->timestamp, $this->template->source->type);
$loop++;
if ($no_sources) {
$this->inheritance_child = true;
} else {
$this->inheritance_child = false;
}
do {
// flag for nochache sections
$this->nocache = $nocache;
$this->tag_nocache = false;
// reset has nocache code flag
$this->template->has_nocache_code = false;
$this->has_variable_string = false;
$this->prefix_code = array();
$_compiled_code = '';
// flag for aborting current and start recompile
$this->abort_and_recompile = false;
// get template source
$_content = $this->template->source->content;
if ($_content != '') {
// run prefilter if required
if ((isset($this->smarty->autoload_filters['pre']) || isset($this->smarty->registered_filters['pre'])) && !$this->suppressFilter) {
$_content = Smarty_Internal_Filter_Handler::runFilter('pre', $_content, $template);
}
// call compiler
$_compiled_code = $this->doCompile($_content, true);
}
} while ($this->abort_and_recompile);
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_compile($this->template);
}
}
// restore source
$this->template->source = $save_source;
unset($save_source);
$this->smarty->_current_file = $this->template->source->filepath;
// free memory
unset($this->parser->root_buffer, $this->parser->current_buffer, $this->parser, $this->lex);
self::$_tag_objects = array();
// return compiled code to template object
$merged_code = '';
if (!empty($this->mergedSubTemplatesCode)) {
foreach ($this->mergedSubTemplatesCode as $code) {
$merged_code .= $code;
}
}
// run postfilter if required on compiled template code
if ((isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) && !$this->suppressFilter && $_compiled_code != '') {
$_compiled_code = Smarty_Internal_Filter_Handler::runFilter('post', $_compiled_code, $template);
}
if ($this->suppressTemplatePropertyHeader) {
$_compiled_code .= $merged_code;
} else {
$_compiled_code = $template_header . Smarty_Internal_Extension_CodeFrame::create($template, $_compiled_code) . $merged_code;
}
if (!empty($this->templateFunctionCode)) {
// run postfilter if required on compiled template code
if ((isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) && !$this->suppressFilter) {
$_compiled_code .= Smarty_Internal_Filter_Handler::runFilter('post', $this->templateFunctionCode, $template);
} else {
$_compiled_code .= $this->templateFunctionCode;
}
}
// unset content because template inheritance could have replace source with parent code
unset ($template->source->content);
$this->parent_compiler = null;
$this->template = null;
return $_compiled_code;
}
/**
* Compile Tag
* This is a call back from the lexer/parser
*
* Save current prefix code
* Compile tag
* Merge tag prefix code with saved one
* (required nested tags in attributes)
*
* @param string $tag tag name
* @param array $args array with tag attributes
* @param array $parameter array with compilation parameter
*
* @throws SmartyCompilerException
* @throws SmartyException
* @return string compiled code
*/
public function compileTag($tag, $args, $parameter = array()) {
$this->prefixCodeStack[] = $this->prefix_code;
$this->prefix_code = array();
$result = $this->compileTag2($tag, $args, $parameter);
$this->prefix_code = array_merge($this->prefix_code, array_pop($this->prefixCodeStack));
return $result;
}
/**
* Compile Tag
*
* @param string $tag tag name
* @param array $args array with tag attributes
* @param array $parameter array with compilation parameter
*
* @throws SmartyCompilerException
* @throws SmartyException
* @return string compiled code
*/
private function compileTag2($tag, $args, $parameter) {
$plugin_type = '';
// $args contains the attributes parsed and compiled by the lexer/parser
// assume that tag does compile into code, but creates no HTML output
$this->has_code = true;
$this->has_output = false;
// log tag/attributes
if (isset($this->smarty->get_used_tags) && $this->smarty->get_used_tags) {
$this->template->used_tags[] = array($tag, $args);
}
// check nocache option flag
if (in_array("'nocache'", $args) || in_array(array('nocache' => 'true'), $args) || in_array(array('nocache' => '"true"'), $args) || in_array(array('nocache' => "'true'"), $args)
) {
$this->tag_nocache = true;
}
// compile the smarty tag (required compile classes to compile the tag are autoloaded)
if (($_output = $this->callTagCompiler($tag, $args, $parameter)) === false) {
if (isset($this->parent_compiler->templateProperties['tpl_function'][$tag])) {
// template defined by {template} tag
$args['_attr']['name'] = "'" . $tag . "'";
$_output = $this->callTagCompiler('call', $args, $parameter);
}
}
if ($_output !== false) {
if ($_output !== true) {
// did we get compiled code
if ($this->has_code) {
// Does it create output?
if ($this->has_output) {
$_output .= "\n";
}
// return compiled code
return $_output;
}
}
// tag did not produce compiled code
return null;
} else {
// map_named attributes
if (isset($args['_attr'])) {
foreach ($args['_attr'] as $key => $attribute) {
if (is_array($attribute)) {
$args = array_merge($args, $attribute);
}
}
}
// not an internal compiler tag
if (strlen($tag) < 6 || substr($tag, -5) != 'close') {
// check if tag is a registered object
if (isset($this->smarty->registered_objects[$tag]) && isset($parameter['object_method'])) {
$method = $parameter['object_method'];
if (!in_array($method, $this->smarty->registered_objects[$tag][3]) && (empty($this->smarty->registered_objects[$tag][1]) || in_array($method, $this->smarty->registered_objects[$tag][1]))
) {
return $this->callTagCompiler('private_object_function', $args, $parameter, $tag, $method);
} elseif (in_array($method, $this->smarty->registered_objects[$tag][3])) {
return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag, $method);
} else {
// throw exception
$this->trigger_template_error('not allowed method "' . $method . '" in registered object "' . $tag . '"', $this->lex->taglineno);
}
}
// check if tag is registered
foreach (array(Smarty::PLUGIN_COMPILER, Smarty::PLUGIN_FUNCTION, Smarty::PLUGIN_BLOCK) as $plugin_type) {
if (isset($this->smarty->registered_plugins[$plugin_type][$tag])) {
// if compiler function plugin call it now
if ($plugin_type == Smarty::PLUGIN_COMPILER) {
$new_args = array();
foreach ($args as $key => $mixed) {
if (is_array($mixed)) {
$new_args = array_merge($new_args, $mixed);
} else {
$new_args[$key] = $mixed;
}
}
if (!$this->smarty->registered_plugins[$plugin_type][$tag][1]) {
$this->tag_nocache = true;
}
$function = $this->smarty->registered_plugins[$plugin_type][$tag][0];
if (!is_array($function)) {
return $function($new_args, $this);
} elseif (is_object($function[0])) {
return $this->smarty->registered_plugins[$plugin_type][$tag][0][0]->$function[1]($new_args, $this);
} else {
return call_user_func_array($function, array($new_args, $this));
}
}
// compile registered function or block function
if ($plugin_type == Smarty::PLUGIN_FUNCTION || $plugin_type == Smarty::PLUGIN_BLOCK) {
return $this->callTagCompiler('private_registered_' . $plugin_type, $args, $parameter, $tag);
}
}
}
// check plugins from plugins folder
foreach ($this->smarty->plugin_search_order as $plugin_type) {
if ($plugin_type == Smarty::PLUGIN_COMPILER && $this->smarty->loadPlugin('smarty_compiler_' . $tag) && (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this))) {
$plugin = 'smarty_compiler_' . $tag;
if (is_callable($plugin)) {
// convert arguments format for old compiler plugins
$new_args = array();
foreach ($args as $key => $mixed) {
if (is_array($mixed)) {
$new_args = array_merge($new_args, $mixed);
} else {
$new_args[$key] = $mixed;
}
}
return $plugin($new_args, $this->smarty);
}
if (class_exists($plugin, false)) {
$plugin_object = new $plugin;
if (method_exists($plugin_object, 'compile')) {
return $plugin_object->compile($args, $this);
}
}
throw new SmartyException("Plugin \"{$tag}\" not callable");
} else {
if ($function = $this->getPlugin($tag, $plugin_type)) {
if (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this)) {
return $this->callTagCompiler('private_' . $plugin_type . '_plugin', $args, $parameter, $tag, $function);
}
}
}
}
if (is_callable($this->smarty->default_plugin_handler_func)) {
$found = false;
// look for already resolved tags
foreach ($this->smarty->plugin_search_order as $plugin_type) {
if (isset($this->default_handler_plugins[$plugin_type][$tag])) {
$found = true;
break;
}
}
if (!$found) {
// call default handler
foreach ($this->smarty->plugin_search_order as $plugin_type) {
if ($this->getPluginFromDefaultHandler($tag, $plugin_type)) {
$found = true;
break;
}
}
}
if ($found) {
// if compiler function plugin call it now
if ($plugin_type == Smarty::PLUGIN_COMPILER) {
$new_args = array();
foreach ($args as $mixed) {
$new_args = array_merge($new_args, $mixed);
}
$function = $this->default_handler_plugins[$plugin_type][$tag][0];
if (!is_array($function)) {
return $function($new_args, $this);
} elseif (is_object($function[0])) {
return $this->default_handler_plugins[$plugin_type][$tag][0][0]->$function[1]($new_args, $this);
} else {
return call_user_func_array($function, array($new_args, $this));
}
} else {
return $this->callTagCompiler('private_registered_' . $plugin_type, $args, $parameter, $tag);
}
}
}
} else {
// compile closing tag of block function
$base_tag = substr($tag, 0, -5);
// check if closing tag is a registered object
if (isset($this->smarty->registered_objects[$base_tag]) && isset($parameter['object_method'])) {
$method = $parameter['object_method'];
if (in_array($method, $this->smarty->registered_objects[$base_tag][3])) {
return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag, $method);
} else {
// throw exception
$this->trigger_template_error('not allowed closing tag method "' . $method . '" in registered object "' . $base_tag . '"', $this->lex->taglineno);
}
}
// registered block tag ?
if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag]) || isset($this->default_handler_plugins[Smarty::PLUGIN_BLOCK][$base_tag])) {
return $this->callTagCompiler('private_registered_block', $args, $parameter, $tag);
}
// block plugin?
if ($function = $this->getPlugin($base_tag, Smarty::PLUGIN_BLOCK)) {
return $this->callTagCompiler('private_block_plugin', $args, $parameter, $tag, $function);
}
// registered compiler plugin ?
if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag])) {
// if compiler function plugin call it now
$args = array();
if (!$this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag][1]) {
$this->tag_nocache = true;
}
$function = $this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag][0];
if (!is_array($function)) {
return $function($args, $this);
} elseif (is_object($function[0])) {
return $this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag][0][0]->$function[1]($args, $this);
} else {
return call_user_func_array($function, array($args, $this));
}
}
if ($this->smarty->loadPlugin('smarty_compiler_' . $tag)) {
$plugin = 'smarty_compiler_' . $tag;
if (is_callable($plugin)) {
return $plugin($args, $this->smarty);
}
if (class_exists($plugin, false)) {
$plugin_object = new $plugin;
if (method_exists($plugin_object, 'compile')) {
return $plugin_object->compile($args, $this);
}
}
throw new SmartyException("Plugin \"{$tag}\" not callable");
}
}
$this->trigger_template_error("unknown tag \"" . $tag . "\"", $this->lex->taglineno);
}
}
/**
* compile variable
*
* @param string $variable
*
* @return string
*/
public function compileVariable($variable) {
if (strpos($variable, '(') == 0) {
// not a variable variable
$var = trim($variable, '\'');
$this->tag_nocache = $this->tag_nocache | $this->template->getVariable($var, null, true, false)->nocache;
$this->template->properties['variables'][$var] = $this->tag_nocache | $this->nocache;
}
return '$_smarty_tpl->tpl_vars[' . $variable . ']->value';
}
/**
* This method is called from parser to process a text content section
* - remove text from inheritance child templates as they may generate output
* - strip text if strip is enabled
*
* @param string $text
*
* @return null|\Smarty_Internal_ParseTree_Text
*/
public function processText($text) {
if ($this->parser->strip) {
return new Smarty_Internal_ParseTree_Text($this->parser, preg_replace($this->stripRegEx, '', $text));
} else {
return new Smarty_Internal_ParseTree_Text($this->parser, $text);
}
}
/**
* lazy loads internal compile plugin for tag and calls the compile method
* compile objects cached for reuse.
* class name format: Smarty_Internal_Compile_TagName
* plugin filename format: Smarty_Internal_Tagname.php
*
* @param string $tag tag name
* @param array $args list of tag attributes
* @param mixed $param1 optional parameter
* @param mixed $param2 optional parameter
* @param mixed $param3 optional parameter
*
* @return string compiled code
*/
public function callTagCompiler($tag, $args, $param1 = null, $param2 = null, $param3 = null) {
// check if tag allowed by security
if (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this)) {
// re-use object if already exists
if (!isset(self::$_tag_objects[$tag])) {
// lazy load internal compiler plugin
$class_name = 'Smarty_Internal_Compile_' . $tag;
if ($this->smarty->loadPlugin($class_name)) {
self::$_tag_objects[$tag] = new $class_name;
} else {
return false;
}
}
// compile this tag
return self::$_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
}
// no internal compile plugin for this tag
return false;
}
/**
* Check for plugins and return function name
*
* @param $plugin_name
* @param string $plugin_type type of plugin
*
* @return string call name of function
*/
public function getPlugin($plugin_name, $plugin_type) {
$function = null;
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
if (isset($this->template->required_plugins['nocache'][$plugin_name][$plugin_type])) {
$function = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'];
} elseif (isset($this->template->required_plugins['compiled'][$plugin_name][$plugin_type])) {
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type] = $this->template->required_plugins['compiled'][$plugin_name][$plugin_type];
$function = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'];
}
} else {
if (isset($this->template->required_plugins['compiled'][$plugin_name][$plugin_type])) {
$function = $this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['function'];
} elseif (isset($this->template->required_plugins['nocache'][$plugin_name][$plugin_type])) {
$this->template->required_plugins['compiled'][$plugin_name][$plugin_type] = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type];
$function = $this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['function'];
}
}
if (isset($function)) {
if ($plugin_type == 'modifier') {
$this->modifier_plugins[$plugin_name] = true;
}
return $function;
}
// loop through plugin dirs and find the plugin
$function = 'smarty_' . $plugin_type . '_' . $plugin_name;
$file = $this->smarty->loadPlugin($function, false);
if (is_string($file)) {
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['file'] = $file;
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'] = $function;
} else {
$this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['file'] = $file;
$this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['function'] = $function;
}
if ($plugin_type == 'modifier') {
$this->modifier_plugins[$plugin_name] = true;
}
return $function;
}
if (is_callable($function)) {
// plugin function is defined in the script
return $function;
}
return false;
}
/**
* Check for plugins by default plugin handler
*
* @param string $tag name of tag
* @param string $plugin_type type of plugin
*
* @return boolean true if found
*/
public function getPluginFromDefaultHandler($tag, $plugin_type) {
$callback = null;
$script = null;
$cacheable = true;
$result = call_user_func_array($this->smarty->default_plugin_handler_func, array($tag, $plugin_type, $this->template, &$callback, &$script, &$cacheable));
if ($result) {
$this->tag_nocache = $this->tag_nocache || !$cacheable;
if ($script !== null) {
if (is_file($script)) {
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
$this->template->required_plugins['nocache'][$tag][$plugin_type]['file'] = $script;
$this->template->required_plugins['nocache'][$tag][$plugin_type]['function'] = $callback;
} else {
$this->template->required_plugins['compiled'][$tag][$plugin_type]['file'] = $script;
$this->template->required_plugins['compiled'][$tag][$plugin_type]['function'] = $callback;
}
require_once $script;
} else {
$this->trigger_template_error("Default plugin handler: Returned script file \"{$script}\" for \"{$tag}\" not found");
}
}
if (!is_string($callback) && !(is_array($callback) && is_string($callback[0]) && is_string($callback[1]))) {
$this->trigger_template_error("Default plugin handler: Returned callback for \"{$tag}\" must be a static function name or array of class and function name");
}
if (is_callable($callback)) {
$this->default_handler_plugins[$plugin_type][$tag] = array($callback, true, array());
return true;
} else {
$this->trigger_template_error("Default plugin handler: Returned callback for \"{$tag}\" not callable");
}
}
return false;
}
/**
* Append code segments and remove unneeded ?> <?php transitions
*
* @param string $left
* @param string $right
*
* @return string
*/
public function appendCode($left, $right) {
if (preg_match('/\s*\?>\s*$/', $left) && preg_match('/^\s*<\?php\s+/', $right)) {
$left = preg_replace('/\s*\?>\s*$/', "\n", $left);
$left .= preg_replace('/^\s*<\?php\s+/', '', $right);
} else {
$left .= $right;
}
return $left;
}
/**
* Inject inline code for nocache template sections
* This method gets the content of each template element from the parser.
* If the content is compiled code and it should be not cached the code is injected
* into the rendered output.
*
* @param string $content content of template element
* @param boolean $is_code true if content is compiled code
*
* @return string content
*/
public function processNocacheCode($content, $is_code) {
// If the template is not evaluated and we have a nocache section and or a nocache tag
if ($is_code && !empty($content)) {
// generate replacement code
if ((!($this->template->source->recompiled) || $this->forceNocache) && $this->template->caching && !$this->suppressNocacheProcessing && ($this->nocache || $this->tag_nocache)
) {
$this->template->has_nocache_code = true;
$_output = addcslashes($content, '\'\\');
$_output = str_replace("^#^", "'", $_output);
$_output = "<?php echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/" . $_output . "/*/%%SmartyNocache:{$this->nocache_hash}%%*/';?>\n";
// make sure we include modifier plugins for nocache code
foreach ($this->modifier_plugins as $plugin_name => $dummy) {
if (isset($this->template->required_plugins['compiled'][$plugin_name]['modifier'])) {
$this->template->required_plugins['nocache'][$plugin_name]['modifier'] = $this->template->required_plugins['compiled'][$plugin_name]['modifier'];
}
}
} else {
$_output = $content;
}
} else {
$_output = $content;
}
$this->modifier_plugins = array();
$this->suppressNocacheProcessing = false;
$this->tag_nocache = false;
return $_output;
}
/**
* Generate nocache code string
*
* @param string $code PHP code
*
* @return string
*/
public function makeNocacheCode($code) {
return "echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/<?php " . str_replace("^#^", "'", addcslashes($code, '\'\\')) . "?>/*/%%SmartyNocache:{$this->nocache_hash}%%*/';\n";
}
/**
* push current file and line offset on stack for tracing {block} source lines
*
* @param string $file new filename
* @param string $uid uid of file
* @param int $line line offset to source
* @param bool $debug false debug end_compile shall not be called
*/
public function pushTrace($file, $uid, $line, $debug = true) {
if ($this->smarty->debugging && $debug) {
Smarty_Internal_Debug::end_compile($this->template);
}
array_push($this->trace_stack, array($this->smarty->_current_file, $this->trace_filepath, $this->trace_uid, $this->trace_line_offset));
$this->trace_filepath = $this->smarty->_current_file = $file;
$this->trace_uid = $uid;
$this->trace_line_offset = $line;
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_compile($this->template);
}
}
/**
* restore file and line offset
*/
public function popTrace() {
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_compile($this->template);
}
$r = array_pop($this->trace_stack);
$this->smarty->_current_file = $r[0];
$this->trace_filepath = $r[1];
$this->trace_uid = $r[2];
$this->trace_line_offset = $r[3];
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_compile($this->template);
}
}
/**
* display compiler error messages without dying
* If parameter $args is empty it is a parser detected syntax error.
* In this case the parser is called to obtain information about expected tokens.
* If parameter $args contains a string this is used as error message
*
* @param string $args individual error message or null
* @param string $line line-number
*
* @throws SmartyCompilerException when an unexpected token is found
*/
public function trigger_template_error($args = null, $line = null) {
// get template source line which has error
if (!isset($line)) {
$line = $this->lex->line;
}
// $line += $this->trace_line_offset;
$match = preg_split("/\n/", $this->lex->data);
$error_text = 'Syntax error in template "' . (empty($this->trace_filepath) ? $this->template->source->filepath : $this->trace_filepath) . '" on line ' . ($line + $this->trace_line_offset) . ' "' . trim(preg_replace('![\t\r\n]+!', ' ', $match[$line - 1])) . '" ';
if (isset($args)) {
// individual error message
$error_text .= $args;
} else {
$expect = array();
// expected token from parser
$error_text .= ' - Unexpected "' . $this->lex->value . '"';
if (count($this->parser->yy_get_expected_tokens($this->parser->yymajor)) <= 4) {
foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
$exp_token = $this->parser->yyTokenName[$token];
if (isset($this->lex->smarty_token_names[$exp_token])) {
// token type from lexer
$expect[] = '"' . $this->lex->smarty_token_names[$exp_token] . '"';
} else {
// otherwise internal token name
$expect[] = $this->parser->yyTokenName[$token];
}
}
$error_text .= ', expected one of: ' . implode(' , ', $expect);
}
}
$e = new SmartyCompilerException($error_text);
$e->line = $line;
$e->source = trim(preg_replace('![\t\r\n]+!', ' ', $match[$line - 1]));
$e->desc = $args;
$e->template = $this->template->source->filepath;
throw $e;
}
}