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104 lines
2.0 KiB
PHP
104 lines
2.0 KiB
PHP
<?php
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/**
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* Case-insensitive dictionary, suitable for HTTP headers
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*
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* @package Requests
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* @subpackage Utilities
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*/
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/**
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* Case-insensitive dictionary, suitable for HTTP headers
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*
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* @package Requests
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* @subpackage Utilities
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*/
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class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
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/**
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* Actual item data
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*
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* @var array
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*/
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protected $data = array();
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/**
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* Creates a case insensitive dictionary.
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*
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* @param array $data Dictionary/map to convert to case-insensitive
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*/
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public function __construct(array $data = array()) {
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foreach ($data as $key => $value) {
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$this->offsetSet($key, $value);
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}
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}
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/**
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* Check if the given item exists
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*
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* @param string $key Item key
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* @return boolean Does the item exist?
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*/
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public function offsetExists($key) {
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$key = strtolower($key);
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return isset($this->data[$key]);
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}
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/**
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* Get the value for the item
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*
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* @param string $key Item key
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* @return string|null Item value (null if offsetExists is false)
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*/
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public function offsetGet($key) {
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$key = strtolower($key);
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if (!isset($this->data[$key])) {
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return null;
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}
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return $this->data[$key];
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}
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/**
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* Set the given item
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*
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* @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
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*
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* @param string $key Item name
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* @param string $value Item value
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*/
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public function offsetSet($key, $value) {
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if ($key === null) {
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throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
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}
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$key = strtolower($key);
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$this->data[$key] = $value;
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}
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/**
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* Unset the given header
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*
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* @param string $key
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*/
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public function offsetUnset($key) {
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unset($this->data[strtolower($key)]);
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}
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/**
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* Get an iterator for the data
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*
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* @return ArrayIterator
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*/
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public function getIterator() {
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return new ArrayIterator($this->data);
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}
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/**
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* Get the headers as an array
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*
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* @return array Header data
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*/
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public function getAll() {
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return $this->data;
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}
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}
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