www.gusucode.com > FavShop网店系统源码程序 > FavShop网店系统 1.0/upload/cake/libs/view/helper.php
<?php
/* SVN FILE: $Id: helper.php 6311 2008-01-02 06:33:52Z phpnut $ */
/**
* Backend for helpers.
*
* Internal methods for the Helpers.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.view
* @since CakePHP(tm) v 0.2.9
* @version $Revision: 6311 $
* @modifiedby $LastChangedBy: phpnut $
* @lastmodified $Date: 2008-01-02 00:33:52 -0600 (Wed, 02 Jan 2008) $
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Included libs
*/
uses('overloadable');
/**
* Backend for helpers.
*
* Long description for class
*
* @package cake
* @subpackage cake.cake.libs.view
*/
class Helper extends Overloadable {
/**
* List of helpers used by this helper
*
* @var array
*/
var $helpers = null;
/**
* Base URL
*
* @var string
*/
var $base = null;
/**
* Webroot path
*
* @var string
*/
var $webroot = null;
/**
* Theme name
*
* @var string
*/
var $themeWeb = null;
/**
* URL to current action.
*
* @var string
*/
var $here = null;
/**
* Parameter array.
*
* @var array
*/
var $params = array();
/**
* Current action.
*
* @var string
*/
var $action = null;
/**
* Plugin path
*
* @var string
*/
var $plugin = null;
/**
* POST data for models
*
* @var array
*/
var $data = null;
/**
* List of named arguments
*
* @var array
*/
var $namedArgs = null;
/**
* URL argument separator character
*
* @var string
*/
var $argSeparator = null;
/**
* Contains model validation errors of form post-backs
*
* @access public
* @var array
*/
var $validationErrors = null;
/**
* Holds tag templates.
*
* @access public
* @var array
*/
var $tags = array();
/**
* Holds the content to be cleaned.
*
* @access private
* @var mixed
*/
var $__tainted = null;
/**
* Holds the cleaned content.
*
* @access private
* @var mixed
*/
var $__cleaned = null;
/**
* Default overload methods
*
* @access protected
*/
function get__($name) {}
function set__($name, $value) {}
function call__($method, $params) {
trigger_error(sprintf(__('Method %1$s::%2$s does not exist', true), get_class($this), $method), E_USER_WARNING);
}
/**
* Parses tag templates into $this->tags.
*
* @param $name file name
* @return array merged tags from config/$name.php
*/
function loadConfig($name = 'tags') {
if (file_exists(APP . 'config' . DS . $name .'.php')) {
require(APP . 'config' . DS . $name .'.php');
if (isset($tags)) {
$this->tags = array_merge($this->tags, $tags);
}
}
return $this->tags;
}
/**
* Finds URL for specified action.
*
* Returns an URL pointing to a combination of controller and action. Param
* $url can be:
* + Empty - the method will find adress to actuall controller/action.
* + '/' - the method will find base URL of application.
* + A combination of controller/action - the method will find url for it.
*
* @param mixed $url Cake-relative URL, like "/products/edit/92" or "/presidents/elect/4"
* or an array specifying any of the following: 'controller', 'action',
* and/or 'plugin', in addition to named arguments (keyed array elements),
* and standard URL arguments (indexed array elements)
* @param boolean $full If true, the full base URL will be prepended to the result
* @return string Full translated URL with base path.
*/
function url($url = null, $full = false) {
return Router::url($url, $full);
}
/**
* Checks if a file exists when theme is used, if no file is found default location is returned
*
* @param string $file
* @return string $webPath web path to file.
*/
function webroot($file) {
$webPath = "{$this->webroot}" . $file;
if (!empty($this->themeWeb)) {
$os = env('OS');
if (!empty($os) && strpos($os, 'Windows') !== false) {
$path = str_replace('/', '\\', WWW_ROOT . $this->themeWeb . $file);
} else {
$path = WWW_ROOT . $this->themeWeb . $file;
}
if (file_exists($path)) {
$webPath = "{$this->webroot}" . $this->themeWeb . $file;
}
}
return str_replace('//', '/', $webPath);
}
/**
* Used to remove harmful tags from content
*
* @param mixed $output
* @return cleaned content for output
* @access public
*/
function clean($output) {
$this->__reset();
if (is_array($output)) {
foreach ($output as $key => $value) {
$return[$key] = $this->clean($value);
}
return $return;
}
$this->__tainted = $output;
$this->__clean();
return $this->__cleaned;
}
/**
* Returns a space-delimited string with items of the $options array. If a
* key of $options array happens to be one of:
* + 'compact'
* + 'checked'
* + 'declare'
* + 'readonly'
* + 'disabled'
* + 'selected'
* + 'defer'
* + 'ismap'
* + 'nohref'
* + 'noshade'
* + 'nowrap'
* + 'multiple'
* + 'noresize'
*
* And its value is one of:
* + 1
* + true
* + 'true'
*
* Then the value will be reset to be identical with key's name.
* If the value is not one of these 3, the parameter is not output.
*
* @param array $options Array of options.
* @param array $exclude Array of options to be excluded.
* @param string $insertBefore String to be inserted before options.
* @param string $insertAfter String to be inserted ater options.
* @return string
*/
function _parseAttributes($options, $exclude = null, $insertBefore = ' ', $insertAfter = null) {
if (is_array($options)) {
$options = array_merge(array('escape' => true), $options);
if (!is_array($exclude)) {
$exclude = array();
}
$keys = array_diff(array_keys($options), array_merge((array)$exclude, array('escape')));
$values = array_intersect_key(array_values($options), $keys);
$escape = $options['escape'];
$attributes = array();
foreach ($keys as $index => $key) {
$attributes[] = $this->__formatAttribute($key, $values[$index], $escape);
}
$out = implode(' ', $attributes);
} else {
$out = $options;
}
return $out ? $insertBefore . $out . $insertAfter : '';
}
/**
* @param string $key
* @param string $value
* @return string
* @access private
*/
function __formatAttribute($key, $value, $escape = true) {
$attribute = '';
$attributeFormat = '%s="%s"';
$minimizedAttributes = array('compact', 'checked', 'declare', 'readonly', 'disabled', 'selected', 'defer', 'ismap', 'nohref', 'noshade', 'nowrap', 'multiple', 'noresize');
if (is_array($value)) {
$value = '';
}
if (in_array($key, $minimizedAttributes)) {
if ($value === 1 || $value === true || $value === 'true' || $value == $key) {
$attribute = sprintf($attributeFormat, $key, $key);
}
} else {
$attribute = sprintf($attributeFormat, $key, ife($escape, h($value), $value));
}
return $attribute;
}
/**
* @deprecated
*/
function setFormTag($tagValue, $setScope = false) {
return $this->setEntity($tagValue, $setScope);
}
/**
* Sets this helper's model and field properties to the dot-separated value-pair in $entity.
*
* @param mixed $entity A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName"
* @param boolean $setScope Sets the view scope to the model specified in $tagValue
* @return void
*/
function setEntity($entity, $setScope = false) {
$view =& ClassRegistry::getObject('view');
if ($setScope) {
$view->modelScope = false;
}
if ($entity === null) {
$view->model = null;
$view->association = null;
$view->modelId = null;
$view->modelScope = false;
return;
}
$sameScope = $hasField = false;
$parts = preg_split('/\/|\./', $entity);
$model = $view->model;
if(count($parts) === 1 || is_numeric($parts[0])) {
$sameScope = true;
} else {
if (ClassRegistry::isKeySet($parts[0])) {
$model = $parts[0];
}
}
if (ClassRegistry::isKeySet($model)) {
$ModelObj =& ClassRegistry::getObject($model);
for ($i = 0; $i < count($parts); $i++) {
if ($ModelObj->hasField($parts[$i]) || array_key_exists($parts[$i], $ModelObj->validate)) {
$hasField = $i;
if ($hasField === 0) {
$sameScope = true;
}
break;
}
}
if($sameScope === true && in_array($parts[0], array_keys($ModelObj->hasAndBelongsToMany))) {
$sameScope = false;
}
}
$view->field = $view->modelId = $view->fieldSuffix = $view->association = null;
switch (count($parts)) {
case 1:
if($view->modelScope === false) {
$view->model = $parts[0];
} else {
$view->field = $parts[0];
if($sameScope === false) {
$view->association = $parts[0];
}
}
break;
case 2:
if ($view->modelScope === false) {
list($view->model, $view->field) = $parts;
} elseif ($sameScope === true && $hasField === 0) {
list($view->field, $view->fieldSuffix) = $parts;
} elseif ($sameScope === true && $hasField === 1) {
list($view->modelId, $view->field) = $parts;
} else {
list($view->association, $view->field) = $parts;
}
break;
case 3:
if ($sameScope === true && $hasField === 1) {
list($view->modelId, $view->field, $view->fieldSuffix) = $parts;
} elseif ($hasField === 2) {
list($view->association, $view->modelId, $view->field) = $parts;
} else {
list($view->association, $view->field, $view->fieldSuffix) = $parts;
}
break;
}
if (!isset($view->model) || empty($view->model)) {
$view->model = $view->association;
$view->association = null;
} elseif ($view->model === $view->association) {
$view->association = null;
}
if ($setScope) {
$view->modelScope = true;
}
}
/**
* Gets the currently-used model of the rendering context.
*
* @return string
*/
function model() {
$view =& ClassRegistry::getObject('view');
if (!empty($view->association)) {
return $view->association;
} else {
return $view->model;
}
}
/**
* Gets the ID of the currently-used model of the rendering context.
*
* @return mixed
*/
function modelID() {
$view =& ClassRegistry::getObject('view');
return $view->modelId;
}
/**
* Gets the currently-used model field of the rendering context.
*
* @return string
*/
function field() {
$view =& ClassRegistry::getObject('view');
return $view->field;
}
/**
* Returns false if given FORM field has no errors. Otherwise it returns the constant set in the array Model->validationErrors.
*
* @param string $model Model name as string
* @param string $field Fieldname as string
* @return boolean True on errors.
*/
function tagIsInvalid($model = null, $field = null) {
if ($model == null) {
$model = $this->model();
}
if ($field == null) {
$field = $this->field();
}
return empty($this->validationErrors[$model][$field]) ? 0 : $this->validationErrors[$model][$field];
}
/**
* Generates a DOM ID for the selected element, if one is not set.
*
* @param mixed $options
* @param string $id
* @return mixed
*/
function domId($options = null, $id = 'id') {
$view =& ClassRegistry::getObject('view');
if (is_array($options) && array_key_exists($id, $options) && $options[$id] === null) {
unset($options[$id]);
return $options;
} elseif (!is_array($options) && $options !== null) {
$this->setEntity($options);
return $this->domId();
}
$dom = $this->model() . Inflector::camelize($view->field) . Inflector::camelize($view->fieldSuffix);
if (is_array($options) && !array_key_exists($id, $options)) {
$options[$id] = $dom;
} elseif ($options === null) {
return $dom;
}
return $options;
}
/**
* Gets the input field name for the current tag
*
* @param array $options
* @param string $key
* @return array
*/
function __name($options = array(), $field = null, $key = 'name') {
$view =& ClassRegistry::getObject('view');
if ($options === null) {
$options = array();
} elseif (is_string($options)) {
$field = $options;
$options = 0;
}
if (!empty($field)) {
$this->setEntity($field);
}
if (is_array($options) && array_key_exists($key, $options)) {
return $options;
}
switch ($field) {
case '_method':
$name = $field;
break;
default:
$name = 'data[' . join('][', $view->entity()) . ']';
break;
}
if (is_array($options)) {
$options[$key] = $name;
return $options;
} else {
return $name;
}
}
/**
* Gets the data for the current tag
*
* @param array $options
* @param string $key
* @return array
* @access public
*/
function value($options = array(), $field = null, $key = 'value') {
if ($options === null) {
$options = array();
} elseif (is_string($options)) {
$field = $options;
$options = 0;
}
if (!empty($field)) {
$this->setEntity($field);
}
if (is_array($options) && isset($options[$key])) {
return $options;
}
$result = null;
if (isset($this->data[$this->model()][$this->field()])) {
$result = $this->data[$this->model()][$this->field()];
} elseif (isset($this->data[$this->field()]) && is_array($this->data[$this->field()])) {
if (ClassRegistry::isKeySet($this->field())) {
$model =& ClassRegistry::getObject($this->field());
$result = $this->__selectedArray($this->data[$this->field()], $model->primaryKey);
}
} elseif (isset($this->data[$this->model()][$this->modelID()][$this->field()])) {
$result = $this->data[$this->model()][$this->modelID()][$this->field()];
}
if (is_array($result)) {
$view =& ClassRegistry::getObject('view');
if(isset($result[$view->fieldSuffix])) {
$result = $result[$view->fieldSuffix];
}
}
if (is_array($options)) {
if (empty($result) && isset($options['default'])) {
$result = $options['default'];
}
unset($options['default']);
}
if (is_array($options)) {
$options[$key] = $result;
return $options;
} else {
return $result;
}
}
/**
* Sets the defaults for an input tag
*
* @param array $options
* @param string $key
* @return array
*/
function __initInputField($field, $options = array()) {
if ($field !== null) {
$this->setEntity($field);
}
$options = (array)$options;
$options = $this->__name($options);
$options = $this->value($options);
$options = $this->domId($options);
if ($this->tagIsInvalid()) {
$options = $this->addClass($options, 'form-error');
}
return $options;
}
/**
* Adds the given class to the element options
*
* @param array $options
* @param string $class
* @param string $key
* @return array
*/
function addClass($options = array(), $class = null, $key = 'class') {
if (isset($options[$key]) && trim($options[$key]) != '') {
$options[$key] .= ' ' . $class;
} else {
$options[$key] = $class;
}
return $options;
}
/**
* Returns a string generated by a helper method
*
* This method can be overridden in subclasses to do generalized output post-processing
*
* @param string $str String to be output.
* @return string
*/
function output($str) {
return $str;
}
/**
* Assigns values to tag templates.
*
* Finds a tag template by $keyName, and replaces $values's keys with
* $values's keys.
*
* @param string $keyName Name of the key in the tag array.
* @param array $values Values to be inserted into tag.
* @return string Tag with inserted values.
*/
function assign($keyName, $values) {
$out = $keyName;
if (isset($this->tags) && isset($this->tags[$keyName])) {
$out = $this->tags[$keyName];
}
//$out =
}
/**
* Before render callback. Overridden in subclasses.
*
*/
function beforeRender() {
}
/**
* After render callback. Overridden in subclasses.
*
*/
function afterRender() {
}
/**
* Before layout callback. Overridden in subclasses.
*
*/
function beforeLayout() {
}
/**
* After layout callback. Overridden in subclasses.
*
*/
function afterLayout() {
}
/**
* Enter description here...
*
* @param mixed $data
* @param string $key
* @return array
* @access private
*/
function __selectedArray($data, $key = 'id') {
if (!is_array($data)) {
$model = $data;
if (!empty($this->data[$model][$model])) {
return $this->data[$model][$model];
}
if (!empty($this->data[$model])) {
$data = $this->data[$model];
}
}
$array = array();
if (!empty($data)) {
foreach ($data as $var) {
$array[$var[$key]] = $var[$key];
}
}
return $array;
}
/**
* Resets the vars used by Helper::clean() to null
*
* @access private
*/
function __reset() {
$this->__tainted = null;
$this->__cleaned = null;
}
/**
* Removes harmful content from output
*
* @access private
*/
function __clean() {
if (get_magic_quotes_gpc()) {
$this->__cleaned = stripslashes($this->__tainted);
} else {
$this->__cleaned = $this->__tainted;
}
$this->__cleaned = str_replace(array("&","<",">"),array("&amp;","&lt;","&gt;"), $this->__cleaned);
$this->__cleaned = preg_replace('#(&\#*\w+)[\x00-\x20]+;#u',"$1;", $this->__cleaned);
$this->__cleaned = preg_replace('#(&\#x*)([0-9A-F]+);*#iu',"$1$2;", $this->__cleaned);
$this->__cleaned = html_entity_decode($this->__cleaned, ENT_COMPAT, "UTF-8");
$this->__cleaned = preg_replace('#(<*[^>]*[\x00-\x20\"\'])(on|xmlns)[^>]*>#iUu',"$1>", $this->__cleaned);
$this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*)[\\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iUu','$1=$2nojavascript...', $this->__cleaned);
$this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iUu','$1=$2novbscript...', $this->__cleaned);
$this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=*([\'\"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#iUu','$1=$2nomozbinding...', $this->__cleaned);
$this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*expression[\x00-\x20]*\([^>]*>#iU',"$1>", $this->__cleaned);
$this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*behaviour[\x00-\x20]*\([^>]*>#iU',"$1>", $this->__cleaned);
$this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*>#iUu',"$1>",$this->__cleaned);
$this->__cleaned = preg_replace('#</*\w+:\w[^>]*>#i',"", $this->__cleaned);
do {
$oldstring = $this->__cleaned;
$this->__cleaned = preg_replace('#</*(applet|meta|xml|blink|link|style|script|embed|object|iframe|frame|frameset|ilayer|layer|bgsound|title|base)[^>]*>#i',"",$this->__cleaned);
} while ($oldstring != $this->__cleaned);
}
}
?>