ensure options are applied before the headers are set
[m6w6/ext-http] / php_http_negotiate.h
1 /*
2 +--------------------------------------------------------------------+
3 | PECL :: http |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 #ifndef PHP_HTTP_NEGOTIATE_H
14 #define PHP_HTTP_NEGOTIATE_H
15
16 PHP_HTTP_API HashTable *php_http_negotiate(const char *value_str, size_t value_len, HashTable *supported, const char *primary_sep_str, size_t primary_sep_len TSRMLS_DC);
17
18 static inline HashTable *php_http_negotiate_language(HashTable *supported, php_http_message_t *request TSRMLS_DC)
19 {
20 HashTable *result = NULL;
21 size_t length;
22 char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Language"), &length, request TSRMLS_CC);
23
24 if (value) {
25 result = php_http_negotiate(value, length, supported, "-", 1 TSRMLS_CC);
26 }
27 PTR_FREE(value);
28
29 return result;
30 }
31
32 static inline HashTable *php_http_negotiate_encoding(HashTable *supported, php_http_message_t *request TSRMLS_DC)
33 {
34 HashTable *result = NULL;
35 size_t length;
36 char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Encoding"), &length, request TSRMLS_CC);
37
38 if (value) {
39 result = php_http_negotiate(value, length, supported, NULL, 0 TSRMLS_CC);
40 }
41 PTR_FREE(value);
42
43 return result;
44 }
45
46 static inline HashTable *php_http_negotiate_charset(HashTable *supported, php_http_message_t *request TSRMLS_DC)
47 {
48 HashTable *result = NULL;
49 size_t length;
50 char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Charset"), &length, request TSRMLS_CC);
51
52 if (value) {
53 result = php_http_negotiate(value, length, supported, NULL, 0 TSRMLS_CC);
54 }
55 PTR_FREE(value);
56
57 return result;
58 }
59
60 static inline HashTable *php_http_negotiate_content_type(HashTable *supported, php_http_message_t *request TSRMLS_DC)
61 {
62 HashTable *result = NULL;
63 size_t length;
64 char *value = php_http_env_get_request_header(ZEND_STRL("Accept"), &length, request TSRMLS_CC);
65
66 if (value) {
67 result = php_http_negotiate(value, length, supported, "/", 1 TSRMLS_CC);
68 }
69 PTR_FREE(value);
70
71 return result;
72 }
73
74 #define PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported) \
75 { \
76 zval **value; \
77 \
78 zend_hash_internal_pointer_reset((supported)); \
79 if (SUCCESS == zend_hash_get_current_data((supported), (void *) &value)) { \
80 RETVAL_ZVAL(*value, 1, 0); \
81 } else { \
82 RETVAL_NULL(); \
83 } \
84 }
85
86 #define PHP_HTTP_DO_NEGOTIATE_HANDLE_DEFAULT(supported, rs_array) \
87 PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported); \
88 if (rs_array) { \
89 HashPosition pos; \
90 zval **value_ptr; \
91 \
92 FOREACH_HASH_VAL(pos, supported, value_ptr) { \
93 zval *value = php_http_ztyp(IS_STRING, *value_ptr); \
94 add_assoc_double(rs_array, Z_STRVAL_P(value), 1.0); \
95 zval_ptr_dtor(&value); \
96 } \
97 }
98
99 #define PHP_HTTP_DO_NEGOTIATE_HANDLE_RESULT(result, supported, rs_array) \
100 { \
101 char *key; \
102 uint key_len; \
103 ulong idx; \
104 \
105 if (zend_hash_num_elements(result) && HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(result, &key, &key_len, &idx, 1, NULL)) { \
106 RETVAL_STRINGL(key, key_len-1, 0); \
107 } else { \
108 PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported); \
109 } \
110 \
111 if (rs_array) { \
112 zend_hash_copy(Z_ARRVAL_P(rs_array), result, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *)); \
113 } \
114 \
115 zend_hash_destroy(result); \
116 FREE_HASHTABLE(result); \
117 }
118
119 #define PHP_HTTP_DO_NEGOTIATE(type, supported, rs_array) \
120 { \
121 HashTable *result; \
122 if ((result = php_http_negotiate_ ##type(supported, NULL TSRMLS_CC))) { \
123 PHP_HTTP_DO_NEGOTIATE_HANDLE_RESULT(result, supported, rs_array); \
124 } else { \
125 PHP_HTTP_DO_NEGOTIATE_HANDLE_DEFAULT(supported, rs_array); \
126 } \
127 }
128
129
130 #endif
131
132 /*
133 * Local variables:
134 * tab-width: 4
135 * c-basic-offset: 4
136 * End:
137 * vim600: noet sw=4 ts=4 fdm=marker
138 * vim<600: noet sw=4 ts=4
139 */
140