attempt to implement some personal standards

[m6w6/ext-http] / src / php_http_negotiate.h

diff --git a/src/php_http_negotiate.h b/src/php_http_negotiate.h
new file mode 100644 (file)
index 0000000..f7405b5
--- /dev/null
+++ b/src/php_http_negotiate.h
@@ -0,0 +1,140 @@
+/*
+    +--------------------------------------------------------------------+
+    | PECL :: http                                                       |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2004-2014, Michael Wallner <mike@php.net>            |
+    +--------------------------------------------------------------------+
+*/
+
+#ifndef PHP_HTTP_NEGOTIATE_H
+#define PHP_HTTP_NEGOTIATE_H
+
+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);
+
+static inline HashTable *php_http_negotiate_language(HashTable *supported, php_http_message_t *request TSRMLS_DC)
+{
+       HashTable *result = NULL;
+       size_t length;
+       char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Language"), &length, request TSRMLS_CC);
+
+       if (value) {
+               result = php_http_negotiate(value, length, supported, "-", 1 TSRMLS_CC);
+       }
+       PTR_FREE(value);
+
+       return result;
+}
+
+static inline HashTable *php_http_negotiate_encoding(HashTable *supported, php_http_message_t *request TSRMLS_DC)
+{
+       HashTable *result = NULL;
+       size_t length;
+       char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Encoding"), &length, request TSRMLS_CC);
+
+       if (value) {
+               result = php_http_negotiate(value, length, supported, NULL, 0 TSRMLS_CC);
+       }
+       PTR_FREE(value);
+
+       return result;
+}
+
+static inline HashTable *php_http_negotiate_charset(HashTable *supported, php_http_message_t *request TSRMLS_DC)
+{
+       HashTable *result = NULL;
+       size_t length;
+       char *value = php_http_env_get_request_header(ZEND_STRL("Accept-Charset"), &length, request TSRMLS_CC);
+
+       if (value) {
+               result = php_http_negotiate(value, length, supported, NULL, 0 TSRMLS_CC);
+       }
+       PTR_FREE(value);
+
+       return result;
+}
+
+static inline HashTable *php_http_negotiate_content_type(HashTable *supported, php_http_message_t *request TSRMLS_DC)
+{
+       HashTable *result = NULL;
+       size_t length;
+       char *value = php_http_env_get_request_header(ZEND_STRL("Accept"), &length, request TSRMLS_CC);
+
+       if (value) {
+               result = php_http_negotiate(value, length, supported, "/", 1 TSRMLS_CC);
+       }
+       PTR_FREE(value);
+
+       return result;
+}
+
+#define PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported) \
+       { \
+               zval **value; \
+                \
+               zend_hash_internal_pointer_reset((supported)); \
+               if (SUCCESS == zend_hash_get_current_data((supported), (void *) &value)) { \
+                       RETVAL_ZVAL(*value, 1, 0); \
+               } else { \
+                       RETVAL_NULL(); \
+               } \
+       }
+
+#define PHP_HTTP_DO_NEGOTIATE_HANDLE_DEFAULT(supported, rs_array) \
+       PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported); \
+       if (rs_array) { \
+               HashPosition pos; \
+               zval **value_ptr; \
+                \
+               FOREACH_HASH_VAL(pos, supported, value_ptr) { \
+                       zval *value = php_http_ztyp(IS_STRING, *value_ptr); \
+                       add_assoc_double(rs_array, Z_STRVAL_P(value), 1.0); \
+                       zval_ptr_dtor(&value); \
+               } \
+       }
+
+#define PHP_HTTP_DO_NEGOTIATE_HANDLE_RESULT(result, supported, rs_array) \
+       { \
+               char *key; \
+               uint key_len; \
+               ulong idx; \
+                \
+               if (zend_hash_num_elements(result) && HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(result, &key, &key_len, &idx, 1, NULL)) { \
+                       RETVAL_STRINGL(key, key_len-1, 0); \
+               } else { \
+                       PHP_HTTP_DO_NEGOTIATE_DEFAULT(supported); \
+               } \
+               \
+               if (rs_array) { \
+                       zend_hash_copy(Z_ARRVAL_P(rs_array), result, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *)); \
+               } \
+               \
+               zend_hash_destroy(result); \
+               FREE_HASHTABLE(result); \
+       }
+
+#define PHP_HTTP_DO_NEGOTIATE(type, supported, rs_array) \
+       { \
+               HashTable *result; \
+               if ((result = php_http_negotiate_ ##type(supported, NULL TSRMLS_CC))) { \
+                       PHP_HTTP_DO_NEGOTIATE_HANDLE_RESULT(result, supported, rs_array); \
+               } else { \
+                       PHP_HTTP_DO_NEGOTIATE_HANDLE_DEFAULT(supported, rs_array); \
+               } \
+       }
+
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
+