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File: libs/smarty/sysplugins/smarty_internal_data.php

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File: libs/smarty/sysplugins/smarty_internal_data.php
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Description: smarty lib
Class: MVC 4 Dummies
Web development PHP MVC framework
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Date: 7 years ago
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<?php /** * Smarty Internal Plugin Data * This file contains the basic classes and methods for template and variable creation * * @package Smarty * @subpackage Template * @author Uwe Tews */ /** * Base class with template and variable methods * * @package Smarty * @subpackage Template */ class Smarty_Internal_Data { /** * name of class used for templates * * @var string */ public $template_class = 'Smarty_Internal_Template'; /** * template variables * * @var array */ public $tpl_vars = array(); /** * parent template (if any) * * @var Smarty_Internal_Template */ public $parent = null; /** * configuration settings * * @var array */ public $config_vars = array(); /** * assigns a Smarty variable * * @param array|string $tpl_var the template variable name(s) * @param mixed $value the value to assign * @param boolean $nocache if true any output of this variable will be not cached * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function assign($tpl_var, $value = null, $nocache = false) { if (is_array($tpl_var)) { foreach ($tpl_var as $_key => $_val) { if ($_key != '') { $this->tpl_vars[$_key] = new Smarty_variable($_val, $nocache); } } } else { if ($tpl_var != '') { $this->tpl_vars[$tpl_var] = new Smarty_variable($value, $nocache); } } return $this; } /** * assigns a global Smarty variable * * @param string $varname the global variable name * @param mixed $value the value to assign * @param boolean $nocache if true any output of this variable will be not cached * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function assignGlobal($varname, $value = null, $nocache = false) { if ($varname != '') { Smarty::$global_tpl_vars[$varname] = new Smarty_variable($value, $nocache); $ptr = $this; while ($ptr instanceof Smarty_Internal_Template) { $ptr->tpl_vars[$varname] = clone Smarty::$global_tpl_vars[$varname]; $ptr = $ptr->parent; } } return $this; } /** * assigns values to template variables by reference * * @param string $tpl_var the template variable name * @param $value * @param boolean $nocache if true any output of this variable will be not cached * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function assignByRef($tpl_var, &$value, $nocache = false) { if ($tpl_var != '') { $this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache); $this->tpl_vars[$tpl_var]->value = & $value; } return $this; } /** * appends values to template variables * * @param array|string $tpl_var the template variable name(s) * @param mixed $value the value to append * @param boolean $merge flag if array elements shall be merged * @param boolean $nocache if true any output of this variable will be not cached * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function append($tpl_var, $value = null, $merge = false, $nocache = false) { if (is_array($tpl_var)) { // $tpl_var is an array, ignore $value foreach ($tpl_var as $_key => $_val) { if ($_key != '') { if (!isset($this->tpl_vars[$_key])) { $tpl_var_inst = $this->getVariable($_key, null, true, false); if ($tpl_var_inst instanceof Undefined_Smarty_Variable) { $this->tpl_vars[$_key] = new Smarty_variable(null, $nocache); } else { $this->tpl_vars[$_key] = clone $tpl_var_inst; } } if (!(is_array($this->tpl_vars[$_key]->value) || $this->tpl_vars[$_key]->value instanceof ArrayAccess)) { settype($this->tpl_vars[$_key]->value, 'array'); } if ($merge && is_array($_val)) { foreach ($_val as $_mkey => $_mval) { $this->tpl_vars[$_key]->value[$_mkey] = $_mval; } } else { $this->tpl_vars[$_key]->value[] = $_val; } } } } else { if ($tpl_var != '' && isset($value)) { if (!isset($this->tpl_vars[$tpl_var])) { $tpl_var_inst = $this->getVariable($tpl_var, null, true, false); if ($tpl_var_inst instanceof Undefined_Smarty_Variable) { $this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache); } else { $this->tpl_vars[$tpl_var] = clone $tpl_var_inst; } } if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) { settype($this->tpl_vars[$tpl_var]->value, 'array'); } if ($merge && is_array($value)) { foreach ($value as $_mkey => $_mval) { $this->tpl_vars[$tpl_var]->value[$_mkey] = $_mval; } } else { $this->tpl_vars[$tpl_var]->value[] = $value; } } } return $this; } /** * appends values to template variables by reference * * @param string $tpl_var the template variable name * @param mixed &$value the referenced value to append * @param boolean $merge flag if array elements shall be merged * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function appendByRef($tpl_var, &$value, $merge = false) { if ($tpl_var != '' && isset($value)) { if (!isset($this->tpl_vars[$tpl_var])) { $this->tpl_vars[$tpl_var] = new Smarty_variable(); } if (!is_array($this->tpl_vars[$tpl_var]->value)) { settype($this->tpl_vars[$tpl_var]->value, 'array'); } if ($merge && is_array($value)) { foreach ($value as $_key => $_val) { $this->tpl_vars[$tpl_var]->value[$_key] = & $value[$_key]; } } else { $this->tpl_vars[$tpl_var]->value[] = & $value; } } return $this; } /** * Returns a single or all template variables * * @param string $varname variable name or null * @param object $_ptr optional pointer to data object * @param boolean $search_parents include parent templates? * * @return string variable value or or array of variables */ public function getTemplateVars($varname = null, $_ptr = null, $search_parents = true) { if (isset($varname)) { $_var = $this->getVariable($varname, $_ptr, $search_parents, false); if (is_object($_var)) { return $_var->value; } else { return null; } } else { $_result = array(); if ($_ptr === null) { $_ptr = $this; } while ($_ptr !== null) { foreach ($_ptr->tpl_vars AS $key => $var) { if (!array_key_exists($key, $_result)) { $_result[$key] = $var->value; } } // not found, try at parent if ($search_parents) { $_ptr = $_ptr->parent; } else { $_ptr = null; } } if ($search_parents && isset(Smarty::$global_tpl_vars)) { foreach (Smarty::$global_tpl_vars AS $key => $var) { if (!array_key_exists($key, $_result)) { $_result[$key] = $var->value; } } } return $_result; } } /** * clear the given assigned template variable. * * @param string|array $tpl_var the template variable(s) to clear * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function clearAssign($tpl_var) { if (is_array($tpl_var)) { foreach ($tpl_var as $curr_var) { unset($this->tpl_vars[$curr_var]); } } else { unset($this->tpl_vars[$tpl_var]); } return $this; } /** * clear all the assigned template variables. * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function clearAllAssign() { $this->tpl_vars = array(); return $this; } /** * load a config file, optionally load just selected sections * * @param string $config_file filename * @param mixed $sections array of section names, single section or null * * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining */ public function configLoad($config_file, $sections = null) { // load Config class $config = new Smarty_Internal_Config($config_file, $this->smarty, $this); $config->loadConfigVars($sections); return $this; } /** * gets the object of a Smarty variable * * @param string $variable the name of the Smarty variable * @param object $_ptr optional pointer to data object * @param boolean $search_parents search also in parent data * @param bool $error_enable * * @return object the object of the variable */ public function getVariable($variable, $_ptr = null, $search_parents = true, $error_enable = true) { if ($_ptr === null) { $_ptr = $this; } while ($_ptr !== null) { if (isset($_ptr->tpl_vars[$variable])) { // found it, return it return $_ptr->tpl_vars[$variable]; } // not found, try at parent if ($search_parents) { $_ptr = $_ptr->parent; } else { $_ptr = null; } } if (isset(Smarty::$global_tpl_vars[$variable])) { // found it, return it return Smarty::$global_tpl_vars[$variable]; } if ($this->smarty->error_unassigned && $error_enable) { // force a notice $x = $$variable; } return new Undefined_Smarty_Variable; } /** * gets a config variable * * @param string $variable the name of the config variable * @param bool $error_enable * * @return mixed the value of the config variable */ public function getConfigVariable($variable, $error_enable = true) { $_ptr = $this; while ($_ptr !== null) { if (isset($_ptr->config_vars[$variable])) { // found it, return it return $_ptr->config_vars[$variable]; } // not found, try at parent $_ptr = $_ptr->parent; } if ($this->smarty->error_unassigned && $error_enable) { // force a notice $x = $$variable; } return null; } /** * gets a stream variable * * @param string $variable the stream of the variable * * @throws SmartyException * @return mixed the value of the stream variable */ public function getStreamVariable($variable) { $_result = ''; $fp = fopen($variable, 'r+'); if ($fp) { while (!feof($fp) && ($current_line = fgets($fp)) !== false) { $_result .= $current_line; } fclose($fp); return $_result; } if ($this->smarty->error_unassigned) { throw new SmartyException('Undefined stream variable "' . $variable . '"'); } else { 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; } } /** * class for the Smarty data object * The Smarty data object will hold Smarty variables in the current scope * * @package Smarty * @subpackage Template */ class Smarty_Data extends Smarty_Internal_Data { /** * Smarty object * * @var Smarty */ public $smarty = null; /** * create Smarty data object * * @param Smarty|array $_parent parent template * @param Smarty|Smarty_Internal_Template $smarty global smarty instance * * @throws SmartyException */ public function __construct($_parent = null, $smarty = null) { $this->smarty = $smarty; if (is_object($_parent)) { // when object set up back pointer $this->parent = $_parent; } elseif (is_array($_parent)) { // set up variable values foreach ($_parent as $_key => $_val) { $this->tpl_vars[$_key] = new Smarty_variable($_val); } } elseif ($_parent != null) { throw new SmartyException("Wrong type for template variables"); } } } /** * class for the Smarty variable object * This class defines the Smarty variable object * * @package Smarty * @subpackage Template */ class Smarty_Variable { /** * template variable * * @var mixed */ public $value = null; /** * if true any output of this variable will be not cached * * @var boolean */ public $nocache = false; /** * the scope the variable will have (local,parent or root) * * @var int */ public $scope = Smarty::SCOPE_LOCAL; /** * create Smarty variable object * * @param mixed $value the value to assign * @param boolean $nocache if true any output of this variable will be not cached * @param int $scope the scope the variable will have (local,parent or root) */ public function __construct($value = null, $nocache = false, $scope = Smarty::SCOPE_LOCAL) { $this->value = $value; $this->nocache = $nocache; $this->scope = $scope; } /** * <<magic>> String conversion * * @return string */ public function __toString() { return (string) $this->value; } } /** * class for undefined variable object * This class defines an object for undefined variable handling * * @package Smarty * @subpackage Template */ class Undefined_Smarty_Variable { /** * Returns FALSE for 'nocache' and NULL otherwise. * * @param string $name * * @return bool */ public function __get($name) { if ($name == 'nocache') { return false; } else { return null; } } /** * Always returns an empty string. * * @return string */ public function __toString() { return ""; } }