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restructure config file processing

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move code into an extension class
use Smarty_Internal_Template
This commit is contained in:
Uwe Tews
2015-01-02 12:11:21 +01:00
parent 75ad0b4da5
commit cfdd53c6b4
8 changed files with 367 additions and 502 deletions
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3
change_log.txt
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@@ -1,7 +1,8 @@
 ===== 3.1.22-dev ===== (xx.xx.2015)
- optimization restructure template processing by moving code into classes it better belongs to
- optimization restructure config file processing
31.12.2014
- bugfix use function_exists('mb_get_info') for setting Smarty::$_MBSTRING.
Function mb_split could be overloaded depending on php.ini mbstring.func_overload

94
libs/sysplugins/smarty_config_source.php
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@@ -1,94 +0,0 @@
<?php
/**
* Smarty Internal Plugin
*
* @package Smarty
* @subpackage TemplateResources
*/
/**
* Smarty Resource Data Object
* Meta Data Container for Config Files
*
* @package Smarty
* @subpackage TemplateResources
* @author Rodney Rehm
* @property string $content
* @property int $timestamp
* @property bool $exists
*/
class Smarty_Config_Source extends Smarty_Template_Source
{
/**
* create Config Object container
*
* @param Smarty_Resource $handler Resource Handler this source object communicates with
* @param Smarty $smarty Smarty instance this source object belongs to
* @param string $resource full config_resource
* @param string $type type of resource
* @param string $name resource name
* @param string $unique_resource unqiue resource name
*/
public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name, $unique_resource)
{
$this->handler = $handler; // Note: prone to circular references
// Note: these may be ->config_compiler_class etc in the future
//$this->config_compiler_class = $handler->config_compiler_class;
//$this->config_lexer_class = $handler->config_lexer_class;
//$this->config_parser_class = $handler->config_parser_class;
$this->smarty = $smarty;
$this->resource = $resource;
$this->type = $type;
$this->name = $name;
$this->unique_resource = $unique_resource;
}
/**
* <<magic>> Generic setter.
*
* @param string $property_name valid: content, timestamp, exists
* @param mixed $value newly assigned value (not check for correct type)
*
* @throws SmartyException when the given property name is not valid
*/
public function __set($property_name, $value)
{
switch ($property_name) {
case 'content':
case 'timestamp':
case 'exists':
$this->$property_name = $value;
break;
default:
throw new SmartyException("invalid config property '$property_name'.");
}
}
/**
* <<magic>> Generic getter.
*
* @param string $property_name valid: content, timestamp, exists
*
* @return mixed|void
* @throws SmartyException when the given property name is not valid
*/
public function __get($property_name)
{
switch ($property_name) {
case 'timestamp':
case 'exists':
$this->handler->populateTimestamp($this);
return $this->$property_name;
case 'content':
return $this->content = $this->handler->getContent($this);
default:
throw new SmartyException("config property '$property_name' does not exist.");
}
}
}

3
libs/sysplugins/smarty_internal_compile_config_load.php
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@@ -74,8 +74,7 @@ class Smarty_Internal_Compile_Config_Load extends Smarty_Internal_CompileBase
}
}
// create config object
$_output = "<?php \$_config = new Smarty_Internal_Config($conf_file, \$_smarty_tpl->smarty, \$_smarty_tpl);";
$_output .= "\$_config->loadConfigVars($section, '$scope'); ?>";
$_output = "<?php Smarty_Internal_Extension_Config::configLoad(\$_smarty_tpl, $conf_file, $section, '$scope');?>";
return $_output;
}

306
libs/sysplugins/smarty_internal_config.php
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@@ -1,306 +0,0 @@
<?php
/**
* Smarty Internal Plugin Config
*
* @package Smarty
* @subpackage Config
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Config
* Main class for config variables
*
* @package Smarty
* @subpackage Config
* @ignore
*/
class Smarty_Internal_Config
{
/**
* Smarty instance
*
* @var Smarty object
*/
public $smarty = null;
/**
* Object of config var storage
*
* @var object
*/
public $data = null;
/**
* Config resource
*
* @var string
*/
public $config_resource = null;
/**
* Compiled config file
*
* @var string
*/
public $compiled_config = null;
/**
* filepath of compiled config file
*
* @var string
*/
public $compiled_filepath = null;
/**
* Filemtime of compiled config Filemtime
*
* @var int
*/
public $compiled_timestamp = null;
/**
* flag if compiled config file is invalid and must be (re)compiled
*
* @var bool
*/
public $mustCompile = null;
/**
* Config file compiler object
*
* @var Smarty_Internal_Config_File_Compiler object
*/
public $compiler_object = null;
/**
* Constructor of config file object
*
* @param string $config_resource config file resource name
* @param Smarty $smarty Smarty instance
* @param object $data object for config vars storage
*/
public function __construct($config_resource, $smarty, $data = null)
{
$this->data = $data;
$this->smarty = $smarty;
$this->config_resource = $config_resource;
}
/**
* Returns the compiled filepath
*
* @return string the compiled filepath
*/
public function getCompiledFilepath()
{
return $this->compiled_filepath === null ?
($this->compiled_filepath = $this->buildCompiledFilepath()) :
$this->compiled_filepath;
}
/**
* Get file path.
*
* @return string
*/
public function buildCompiledFilepath()
{
$_compile_id = isset($this->smarty->compile_id) ? preg_replace('![^\w\|]+!', '_', $this->smarty->compile_id) : null;
$_flag = (int) $this->smarty->config_read_hidden + (int) $this->smarty->config_booleanize * 2
+ (int) $this->smarty->config_overwrite * 4;
$_filepath = sha1(realpath($this->source->filepath) . $_flag);
// if use_sub_dirs, break file into directories
if ($this->smarty->use_sub_dirs) {
$_filepath = substr($_filepath, 0, 2) . DS
. substr($_filepath, 2, 2) . DS
. substr($_filepath, 4, 2) . DS
. $_filepath;
}
$_compile_dir_sep = $this->smarty->use_sub_dirs ? DS : '^';
if (isset($_compile_id)) {
$_filepath = $_compile_id . $_compile_dir_sep . $_filepath;
}
$_compile_dir = $this->smarty->getCompileDir();
return $_compile_dir . $_filepath . '.' . basename($this->source->name) . '.config' . '.php';
}
/**
* Returns the timestamp of the compiled file
*
* @return integer the file timestamp
*/
public function getCompiledTimestamp()
{
return $this->compiled_timestamp === null
? ($this->compiled_timestamp = (file_exists($this->getCompiledFilepath())) ? filemtime($this->getCompiledFilepath()) : false)
: $this->compiled_timestamp;
}
/**
* Returns if the current config file must be compiled
* It does compare the timestamps of config source and the compiled config and checks the force compile configuration
*
* @return boolean true if the file must be compiled
*/
public function mustCompile()
{
return $this->mustCompile === null ?
$this->mustCompile = ($this->smarty->force_compile || $this->getCompiledTimestamp() === false || $this->smarty->compile_check && $this->getCompiledTimestamp() < $this->source->timestamp) :
$this->mustCompile;
}
/**
* Returns the compiled config file
* It checks if the config file must be compiled or just read the compiled version
*
* @return string the compiled config file
*/
public function getCompiledConfig()
{
if ($this->compiled_config === null) {
// see if template needs compiling.
if ($this->mustCompile()) {
$this->compileConfigSource();
} else {
$this->compiled_config = file_get_contents($this->getCompiledFilepath());
}
}
return $this->compiled_config;
}
/**
* Compiles the config files
*
* @throws Exception
*/
public function compileConfigSource()
{
// compile template
if (!is_object($this->compiler_object)) {
// load compiler
$this->compiler_object = new Smarty_Internal_Config_File_Compiler($this->smarty);
}
// compile locking
if ($this->smarty->compile_locking) {
if ($saved_timestamp = $this->getCompiledTimestamp()) {
touch($this->getCompiledFilepath());
}
}
// call compiler
try {
$this->compiler_object->compileSource($this);
}
catch (Exception $e) {
// restore old timestamp in case of error
if ($this->smarty->compile_locking && $saved_timestamp) {
touch($this->getCompiledFilepath(), $saved_timestamp);
}
throw $e;
}
// compiling succeeded
// write compiled template
Smarty_Internal_Write_File::writeFile($this->getCompiledFilepath(), $this->getCompiledConfig(), $this->smarty);
}
/**
* load config variables
*
* @param mixed $sections array of section names, single section or null
* @param string $scope global,parent or local
*
* @throws Exception
*/
public function loadConfigVars($sections = null, $scope = 'local')
{
if ($this->data instanceof Smarty_Internal_Template) {
$this->data->properties['file_dependency'][sha1($this->source->filepath)] = array($this->source->filepath, $this->source->timestamp, 'file');
}
if ($this->mustCompile()) {
$this->compileConfigSource();
}
// pointer to scope
if ($scope == 'local') {
$scope_ptr = $this->data;
} elseif ($scope == 'parent') {
if (isset($this->data->parent)) {
$scope_ptr = $this->data->parent;
} else {
$scope_ptr = $this->data;
}
} elseif ($scope == 'root' || $scope == 'global') {
$scope_ptr = $this->data;
while (isset($scope_ptr->parent)) {
$scope_ptr = $scope_ptr->parent;
}
}
$_config_vars = array();
include($this->getCompiledFilepath());
// copy global config vars
foreach ($_config_vars['vars'] as $variable => $value) {
if ($this->smarty->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
// scan sections
if (!empty($sections)) {
foreach ((array) $sections as $this_section) {
if (isset($_config_vars['sections'][$this_section])) {
foreach ($_config_vars['sections'][$this_section]['vars'] as $variable => $value) {
if ($this->smarty->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
}
}
}
}
/**
* set Smarty property in template context
*
* @param string $property_name property name
* @param mixed $value value
*
* @throws SmartyException if $property_name is not valid
*/
public function __set($property_name, $value)
{
switch ($property_name) {
case 'source':
case 'compiled':
$this->$property_name = $value;
return;
}
throw new SmartyException("invalid config property '$property_name'.");
}
/**
* get Smarty property in template context
*
* @param string $property_name property name
*
* @return \Smarty_Config_Source|\Smarty_Template_Compiled
* @throws SmartyException if $property_name is not valid
*/
public function __get($property_name)
{
switch ($property_name) {
case 'source':
if (empty($this->config_resource)) {
throw new SmartyException("Unable to parse resource name \"{$this->config_resource}\"");
}
$this->source = Smarty_Resource::config($this);
return $this->source;
case 'compiled':
$this->compiled = $this->source->getCompiled($this);
return $this->compiled;
}
throw new SmartyException("config attribute '$property_name' does not exist.");
}
}

75
libs/sysplugins/smarty_internal_config_file_compiler.php
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@@ -17,6 +17,19 @@
*/
class Smarty_Internal_Config_File_Compiler
{
/**
* Lexer class name
*
* @var string
*/
public $lexer_class;
/**
* Parser class name
*
* @var string
*/
public $parser_class;
/**
* Lexer object
*
@@ -41,9 +54,9 @@ class Smarty_Internal_Config_File_Compiler
/**
* Smarty object
*
* @var Smarty_Internal_Config object
* @var Smarty_Internal_Template object
*/
public $config;
public $template;
/**
* Compiled config data sections and variables
@@ -52,40 +65,52 @@ class Smarty_Internal_Config_File_Compiler
*/
public $config_data = array();
/**
* compiled config data must always be written
*
* @var bool
*/
public $write_compiled_code = true;
/**
* Initialize compiler
*
* @param Smarty $smarty base instance
* @param string $lexer_class class name
* @param string $parser_class class name
* @param Smarty $smarty global instance
*/
public function __construct($smarty)
public function __construct($lexer_class, $parser_class, Smarty $smarty)
{
$this->smarty = $smarty;
// get required plugins
$this->lexer_class = $lexer_class;
$this->parser_class = $parser_class;
$this->smarty = $smarty;
$this->config_data['sections'] = array();
$this->config_data['vars'] = array();
}
/**
* Method to compile a Smarty template.
* Method to compile Smarty config source.
*
* @param Smarty_Internal_Config $config config object
* @param Smarty_Internal_Template $template
*
* @return bool true if compiling succeeded, false if it failed
* @return bool true if compiling succeeded, false if it failed
*/
public function compileSource(Smarty_Internal_Config $config)
public function compileTemplate(Smarty_Internal_Template $template)
{
/* here is where the compiling takes place. Smarty
tags in the templates are replaces with PHP code,
then written to compiled files. */
$this->config = $config;
// get config file source
$_content = $config->source->content . "\n";
// on empty template just return
if ($_content == '') {
$this->template = $template;
$this->template->properties['file_dependency'][$this->template->source->uid] = array($this->template->source->name, $this->template->source->timestamp, $this->template->source->type);
// on empty config just return
if ($template->source->content == '') {
return true;
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_compile($this->template);
}
// init the lexer/parser to compile the config file
$lex = new Smarty_Internal_Configfilelexer($_content, $this);
$parser = new Smarty_Internal_Configfileparser($lex, $this);
$lex = new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $template->source->content) . "\n", $this);
$parser = new $this->parser_class($lex, $this);
if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
$mbEncoding = mb_internal_encoding();
@@ -94,7 +119,6 @@ class Smarty_Internal_Config_File_Compiler
$mbEncoding = null;
}
if ($this->smarty->_parserdebug) {
$parser->PrintTrace();
}
@@ -111,8 +135,15 @@ class Smarty_Internal_Config_File_Compiler
if ($mbEncoding) {
mb_internal_encoding($mbEncoding);
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_compile($this->template);
}
// template header code
$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";
$config->compiled_config = '<?php $_config_vars = ' . var_export($this->config_data, true) . '; ?>';
$code = '<?php Smarty_Internal_Extension_Config::loadConfigVars($_smarty_tpl, ' . var_export($this->config_data, true) . '); ?>';
return $template_header . Smarty_Internal_Extension_CodeFrame::create($this->template, $code);
}
/**
@@ -129,13 +160,13 @@ class Smarty_Internal_Config_File_Compiler
{
$this->lex = Smarty_Internal_Configfilelexer::instance();
$this->parser = Smarty_Internal_Configfileparser::instance();
// get template source line which has error
// get config source line which has error
$line = $this->lex->line;
if (isset($args)) {
// $line--;
}
$match = preg_split("/\n/", $this->lex->data);
$error_text = "Syntax error in config file '{$this->config->source->filepath}' on line {$line} '{$match[$line - 1]}' ";
$error_text = "Syntax error in config file '{$this->template->source->filepath}' on line {$line} '{$match[$line - 1]}' ";
if (isset($args)) {
// individual error message
$error_text .= $args;

111
libs/sysplugins/smarty_internal_data.php
View File

@@ -103,7 +103,7 @@ class Smarty_Internal_Data
{
if ($tpl_var != '') {
$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache);
$this->tpl_vars[$tpl_var]->value = & $value;
$this->tpl_vars[$tpl_var]->value = &$value;
}
return $this;
@@ -191,10 +191,10 @@ class Smarty_Internal_Data
}
if ($merge && is_array($value)) {
foreach ($value as $_key => $_val) {
$this->tpl_vars[$tpl_var]->value[$_key] = & $value[$_key];
$this->tpl_vars[$tpl_var]->value[$_key] = &$value[$_key];
}
} else {
$this->tpl_vars[$tpl_var]->value[] = & $value;
$this->tpl_vars[$tpl_var]->value[] = &$value;
}
}
@@ -205,7 +205,7 @@ class Smarty_Internal_Data
* Returns a single or all template variables
*
* @param string $varname variable name or null
* @param object $_ptr optional pointer to data object
* @param object $_ptr optional pointer to data object
* @param boolean $search_parents include parent templates?
*
* @return string variable value or or array of variables
@@ -292,9 +292,7 @@ class Smarty_Internal_Data
public function configLoad($config_file, $sections = null)
{
// load Config class
$config = new Smarty_Internal_Config($config_file, $this->smarty, $this);
$config->loadConfigVars($sections);
Smarty_Internal_Extension_Config::configLoad($this, $config_file, $sections);
return $this;
}
@@ -347,21 +345,32 @@ class Smarty_Internal_Data
*/
public function getConfigVariable($variable, $error_enable = true)
{
$_ptr = $this;
while ($_ptr !== null) {
if (isset($_ptr->config_vars[$variable])) {
// found it, return it
return $_ptr->config_vars[$variable];
}
// not found, try at parent
$_ptr = $_ptr->parent;
}
if ($this->smarty->error_unassigned && $error_enable) {
// force a notice
$x = $$variable;
}
return Smarty_Internal_Extension_Config::getConfigVariable($this, $variable, $error_enable = true);
}
return null;
/**
* Returns a single or all config variables
*
* @param string $varname variable name or null
* @param bool $search_parents
*
* @return string variable value or or array of variables
*/
public function getConfigVars($varname = null, $search_parents = true)
{
return Smarty_Internal_Extension_Config::getConfigVars($this, $varname, $search_parents);
}
/**
* Deassigns a single or all config variables
*
* @param string $varname variable name or null
*
* @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
*/
public function clearConfig($varname = null)
{
return Smarty_Internal_Extension_Config::clearConfig($this, $varname);
}
/**
@@ -391,58 +400,6 @@ class Smarty_Internal_Data
return null;
}
}
/**
* Returns a single or all config variables
*
* @param string $varname variable name or null
* @param bool $search_parents
*
* @return string variable value or or array of variables
*/
public function getConfigVars($varname = null, $search_parents = true)
{
$_ptr = $this;
$var_array = array();
while ($_ptr !== null) {
if (isset($varname)) {
if (isset($_ptr->config_vars[$varname])) {
return $_ptr->config_vars[$varname];
}
} else {
$var_array = array_merge($_ptr->config_vars, $var_array);
}
// not found, try at parent
if ($search_parents) {
$_ptr = $_ptr->parent;
} else {
$_ptr = null;
}
}
if (isset($varname)) {
return '';
} else {
return $var_array;
}
}
/**
* Deassigns a single or all config variables
*
* @param string $varname variable name or null
*
* @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
*/
public function clearConfig($varname = null)
{
if (isset($varname)) {
unset($this->config_vars[$varname]);
} else {
$this->config_vars = array();
}
return $this;
}
}
/**
@@ -477,15 +434,15 @@ class Smarty_Data extends Smarty_Internal_Data
/**
* create Smarty data object
*
* @param Smarty|array $_parent parent template
* @param Smarty|Smarty_Internal_Template $smarty global smarty instance
* @param string $name optional data block name
* @param Smarty|array $_parent parent template
* @param Smarty|Smarty_Internal_Template $smarty global smarty instance
* @param string $name optional data block name
*
* @throws SmartyException
*/
public function __construct($_parent = null, $smarty = null, $name = null)
{
self::$count++;
self::$count ++;
$this->dataObjectName = 'Data_object ' . (isset($name) ? "'{$name}'" : self::$count);
$this->smarty = $smarty;
if (is_object($_parent)) {

159
libs/sysplugins/smarty_internal_extension_config.php Normal file
View File

@@ -0,0 +1,159 @@
<?php
/**
* @package Smarty
* @subpackage PluginsInternal
*/
class Smarty_Internal_Extension_Config
{
/**
* @param $obj
* @param $config_file
* @param null $sections
* @param string $scope
*/
static function configLoad($obj, $config_file, $sections = null, $scope = 'local')
{
$confObj = new $obj->smarty->template_class($config_file, $obj->smarty, $obj);
$confObj->caching = Smarty::CACHING_OFF;
$confObj->source = Smarty_Template_Config::load($confObj);
$confObj->source->config_sections = $sections;
$confObj->source->scope = $scope;
$confObj->compiled = Smarty_Template_Compiled::load($confObj);
if ($confObj->smarty->debugging) {
Smarty_Internal_Debug::start_render($confObj);
}
$confObj->compiled->render($confObj);
if ($confObj->smarty->debugging) {
Smarty_Internal_Debug::end_render($confObj);
}
if ($obj instanceof Smarty_Internal_Template) {
$obj->properties['file_dependency'][$confObj->source->uid] = array($confObj->source->filepath, $confObj->source->timestamp, $confObj->source->type);
}
}
/**
* load config variables
*
* @param mixed $sections array of section names, single section or null
* @param string $scope global,parent or local
*
* @throws Exception
*/
static function loadConfigVars($_template, $_config_vars)
{
$scope = $_template->source->scope;
// pointer to scope (local scope is parent of template object
$scope_ptr = $_template->parent;
if ($scope == 'parent') {
if (isset($_template->parent->parent)) {
$scope_ptr = $_template->parent->parent;
}
} elseif ($scope == 'root' || $scope == 'global') {
while (isset($scope_ptr->parent)) {
$scope_ptr = $scope_ptr->parent;
}
}
// copy global config vars
foreach ($_config_vars['vars'] as $variable => $value) {
if ($_template->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
// scan sections
$sections = $_template->source->config_sections;
if (!empty($sections)) {
foreach ((array) $sections as $_template_section) {
if (isset($_config_vars['sections'][$_template_section])) {
foreach ($_config_vars['sections'][$_template_section]['vars'] as $variable => $value) {
if ($_template->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
}
}
}
}
/**
* Returns a single or all config variables
*
* @param string $varname variable name or null
* @param bool $search_parents
*
* @return string variable value or or array of variables
*/
static function getConfigVars($obj, $varname = null, $search_parents = true)
{
$_ptr = $obj;
$var_array = array();
while ($_ptr !== null) {
if (isset($varname)) {
if (isset($_ptr->config_vars[$varname])) {
return $_ptr->config_vars[$varname];
}
} else {
$var_array = array_merge($_ptr->config_vars, $var_array);
}
// not found, try at parent
if ($search_parents) {
$_ptr = $_ptr->parent;
} else {
$_ptr = null;
}
}
if (isset($varname)) {
return '';
} else {
return $var_array;
}
}
/**
* gets a config variable
*
* @param string $variable the name of the config variable
* @param bool $error_enable
*
* @return mixed the value of the config variable
*/
static function getConfigVariable($obj, $variable, $error_enable = true)
{
$_ptr = $obj;
while ($_ptr !== null) {
if (isset($_ptr->config_vars[$variable])) {
// found it, return it
return $_ptr->config_vars[$variable];
}
// not found, try at parent
$_ptr = $_ptr->parent;
}
if ($obj->smarty->error_unassigned && $error_enable) {
// force a notice
$x = $$variable;
}
return null;
}
/**
* remove a single or all config variables
*
* @param string $name variable name or null
*
* @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
*/
static function clearConfig($obj, $name = null)
{
if (isset($name)) {
unset($obj->config_vars[$name]);
} else {
$obj->config_vars = array();
}
return $obj;
}
}

118
libs/sysplugins/smarty_template_config.php Normal file
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@@ -0,0 +1,118 @@
<?php
/**
* Smarty Config Source Plugin
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
*/
/**
* Smarty Connfig Resource Data Object
* Meta Data Container for Template Files
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
* @property integer $timestamp Source Timestamp
* @property boolean $exists Source Existence
* @property boolean $template Extended Template reference
* @property string $content Source Content
*/
class Smarty_Template_Config extends Smarty_Template_Source
{
/**
* Name of the Class to compile this resource's contents with
*
* @var string
*/
public $compiler_class = 'Smarty_Internal_Config_File_Compiler';
/**
* Name of the Class to tokenize this resource's contents with
*
* @var string
*/
public $template_lexer_class = 'Smarty_Internal_Configfilelexer';
/**
* Name of the Class to parse this resource's contents with
*
* @var string
*/
public $template_parser_class = 'Smarty_Internal_Configfileparser';
/**
* array of section names, single section or null
*
* @var null|string|array
*/
public $config_sections = null;
/**
* scope into which the config variables shall be loaded
*
* @var string
*/
public $scope = 'local';
/**
* Flag that source is a config file
*
* @var bool
*/
public $isConfig = true;
/**
* create Source Object container
*
* @param Smarty_Resource $handler Resource Handler this source object communicates with
* @param Smarty $smarty Smarty instance this source object belongs to
* @param string $resource full template_resource
* @param string $type type of resource
* @param string $name resource name
*/
public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name)
{
$this->handler = clone $handler; // Note: prone to circular references
$this->resource = $resource;
$this->type = $type;
$this->name = $name;
$this->smarty = $smarty;
}
/**
* initialize Source Object for given resource
* Either [$_template] or [$smarty, $template_resource] must be specified
*
* @param Smarty_Internal_Template $_template template object
* @param Smarty $smarty smarty object
* @param string $template_resource resource identifier
*
* @return Smarty_Template_Source Source Object
* @throws SmartyException
*/
public static function load(Smarty_Internal_Template $_template = null, Smarty $smarty = null, $template_resource = null)
{
static $_incompatible_resources = array('extends' => true, 'php' => true);
$smarty = $_template->smarty;
$template_resource = $_template->template_resource;
if (empty($template_resource)) {
throw new SmartyException('Missing config name');
}
// parse resource_name, load resource handler
Smarty_Resource::parseResourceName($template_resource, $smarty->default_config_type, $name, $type);
// make sure configs are not loaded via anything smarty can't handle
if (isset($_incompatible_resources[$type])) {
throw new SmartyException ("Unable to use resource '{$type}' for config");
}
$resource = Smarty_Resource::load($smarty, $type);
$source = new Smarty_Template_Config($resource, $smarty, $template_resource, $type, $name);
$resource->populate($source, $_template);
if ((!isset($source->exists) || !$source->exists) && isset($_template->smarty->default_config_handler_func)) {
Smarty_Internal_Extension_DefaultTemplateHandler::_getDefault($_template, $source, $resource);
}
$source->unique_resource = $resource->buildUniqueResourceName($smarty, $name, true);
return $source;
}
}