* add to pecl
[m6w6/ext-http] / http_build_query.c
diff --git a/http_build_query.c b/http_build_query.c
new file mode 100644 (file)
index 0000000..689204c
--- /dev/null
@@ -0,0 +1,230 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2004 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 3.0 of the PHP license,       |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.php.net/license/3_0.txt.                                  |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Authors: Sara Golemon <pollita@php.net>                              |
+   +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#include "php_http.h"
+#include "php_ini.h"
+#include "ext/standard/url.h"
+
+#define URL_DEFAULT_ARG_SEP "&"
+
+/* {{{ php_url_encode_hash */
+PHPAPI int php_url_encode_hash_ex(HashTable *ht, smart_str *formstr,
+                               const char *num_prefix, int num_prefix_len,
+                               const char *key_prefix, int key_prefix_len,
+                               const char *key_suffix, int key_suffix_len,
+                               zval *type TSRMLS_DC)
+{
+       char *arg_sep = NULL, *key = NULL, *ekey, *newprefix, *p;
+       int arg_sep_len, key_len, ekey_len, key_type, newprefix_len;
+       ulong idx;
+       zval **zdata = NULL, *copyzval;
+
+       if (!ht) {
+               return FAILURE;
+       }
+
+       if (ht->nApplyCount > 0) {
+               /* Prevent recursion */
+               return SUCCESS;
+       }
+
+       arg_sep = INI_STR("arg_separator.output");
+       if (!arg_sep || !strlen(arg_sep)) {
+               arg_sep = URL_DEFAULT_ARG_SEP;
+       }
+       arg_sep_len = strlen(arg_sep);
+
+       for (zend_hash_internal_pointer_reset(ht);
+               (key_type = zend_hash_get_current_key_ex(ht, &key, &key_len, &idx, 0, NULL)) != HASH_KEY_NON_EXISTANT;
+               zend_hash_move_forward(ht)
+       ) {
+               if (key_type == HASH_KEY_IS_STRING && key_len && key[key_len-1] == '\0') {
+                       /* We don't want that trailing NULL */
+                       key_len -= 1;
+               }
+
+               /* handling for private & protected object properties */
+               if (key && *key == '\0' && type != NULL) {
+                       char *tmp;
+
+                       zend_object *zobj = zend_objects_get_address(type TSRMLS_CC);
+                       if (zend_check_property_access(zobj, key TSRMLS_CC) != SUCCESS) {
+                               /* private or protected property access outside of the class */
+                               continue;
+                       }
+                       zend_unmangle_property_name(key, &tmp, &key);
+                       key_len = strlen(key);          
+               }
+
+               if (zend_hash_get_current_data_ex(ht, (void **)&zdata, NULL) == FAILURE || !zdata || !(*zdata)) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error traversing form data array.");
+                       return FAILURE;
+               }
+               if (Z_TYPE_PP(zdata) == IS_ARRAY || Z_TYPE_PP(zdata) == IS_OBJECT) {
+                       if (key_type == HASH_KEY_IS_STRING) {
+                               ekey = php_url_encode(key, key_len, &ekey_len);
+                               newprefix_len = key_suffix_len + ekey_len + key_prefix_len + 1;
+                               newprefix = emalloc(newprefix_len + 1);
+                               p = newprefix;
+
+                               if (key_prefix) {
+                                       memcpy(p, key_prefix, key_prefix_len);
+                                       p += key_prefix_len;
+                               }
+
+                               memcpy(p, ekey, ekey_len);
+                               p += ekey_len;
+                               efree(ekey);
+
+                               if (key_suffix) {
+                                       memcpy(p, key_suffix, key_suffix_len);
+                                       p += key_suffix_len;
+                               }
+
+                               *(p++) = '[';
+                               *p = '\0';
+                       } else {
+                               /* Is an integer key */
+                               ekey_len = spprintf(&ekey, 12, "%ld", idx);
+                               newprefix_len = key_prefix_len + num_prefix_len + ekey_len + key_suffix_len + 1;
+                               newprefix = emalloc(newprefix_len + 1);
+                               p = newprefix;
+
+                               if (key_prefix) {
+                                       memcpy(p, key_prefix, key_prefix_len);
+                                       p += key_prefix_len;
+                               }
+
+                               memcpy(p, num_prefix, num_prefix_len);
+                               p += num_prefix_len;
+
+                               memcpy(p, ekey, ekey_len);
+                               p += ekey_len;
+                               efree(ekey);
+
+                               if (key_suffix) {
+                                       memcpy(p, key_suffix, key_suffix_len);
+                                       p += key_suffix_len;
+                               }
+                               *(p++) = '[';
+                               *p = '\0';
+                       }
+                       ht->nApplyCount++;
+                       php_url_encode_hash_ex(HASH_OF(*zdata), formstr, NULL, 0, newprefix, newprefix_len, "]", 1, 
+(Z_TYPE_PP(zdata) == IS_OBJECT ? *zdata : NULL) TSRMLS_CC);
+                       ht->nApplyCount--;
+                       efree(newprefix);
+               } else if (Z_TYPE_PP(zdata) == IS_NULL || Z_TYPE_PP(zdata) == IS_RESOURCE) {
+                       /* Skip these types */
+                       continue;
+               } else {
+                       if (formstr->len) {
+                               smart_str_appendl(formstr, arg_sep, arg_sep_len);
+                       }
+                       /* Simple key=value */
+                       smart_str_appendl(formstr, key_prefix, key_prefix_len);
+                       if (key_type == HASH_KEY_IS_STRING) {
+                               ekey = php_url_encode(key, key_len, &ekey_len);
+                               smart_str_appendl(formstr, ekey, ekey_len);
+                               efree(ekey);
+                       } else {
+                               /* Numeric key */
+                               if (num_prefix) {
+                                       smart_str_appendl(formstr, num_prefix, num_prefix_len);
+                               }
+                               ekey_len = spprintf(&ekey, 12, "%ld", idx);
+                               smart_str_appendl(formstr, ekey, ekey_len);
+                               efree(ekey);
+                       }
+                       smart_str_appendl(formstr, key_suffix, key_suffix_len);
+                       smart_str_appendl(formstr, "=", 1);
+                       switch (Z_TYPE_PP(zdata)) {
+                               case IS_STRING:
+                                       ekey = php_url_encode(Z_STRVAL_PP(zdata), Z_STRLEN_PP(zdata), &ekey_len);
+                                       break;
+                               case IS_LONG:
+                               case IS_BOOL:
+                                       ekey_len = spprintf(&ekey, 12, "%ld", Z_LVAL_PP(zdata));
+                                       break;
+                               case IS_DOUBLE:
+                                       ekey_len = spprintf(&ekey, 48, "%.*G", (int) EG(precision), Z_DVAL_PP(zdata));
+                                       break;
+                               default:
+                                       /* fall back on convert to string */
+                                       MAKE_STD_ZVAL(copyzval);
+                                       *copyzval = **zdata;
+                                       zval_copy_ctor(copyzval);
+                                       convert_to_string_ex(&copyzval);
+                                       ekey = php_url_encode(Z_STRVAL_P(copyzval), Z_STRLEN_P(copyzval), &ekey_len);
+                                       zval_ptr_dtor(&copyzval);
+                       }
+                       smart_str_appendl(formstr, ekey, ekey_len);
+                       efree(ekey);
+               }
+       }
+
+       return SUCCESS;
+}
+/* }}} */
+
+/* {{{ proto string http_build_query(mixed formdata [, string prefix])
+   Generates a form-encoded query string from an associative array or object. */
+PHP_FUNCTION(http_build_query)
+{
+       zval *formdata;
+       char *prefix = NULL;
+       int prefix_len = 0;
+       smart_str formstr = {0};
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|s", &formdata, &prefix, &prefix_len) != SUCCESS) {
+               RETURN_FALSE;
+       }
+
+       if (Z_TYPE_P(formdata) != IS_ARRAY && Z_TYPE_P(formdata) != IS_OBJECT) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Parameter 1 expected to be Array or Object.  Incorrect value given.");
+               RETURN_FALSE;
+       }
+
+       if (php_url_encode_hash_ex(HASH_OF(formdata), &formstr, prefix, prefix_len, NULL, 0, NULL, 0, (Z_TYPE_P(formdata) == IS_OBJECT ? formdata : NULL) TSRMLS_CC) == FAILURE) {
+               if (formstr.c) {
+                       efree(formstr.c);
+               }
+               RETURN_FALSE;
+       }
+
+       if (!formstr.c) {
+               RETURN_NULL();
+       }
+
+       smart_str_0(&formstr);
+       
+       RETURN_STRINGL(formstr.c, formstr.len, 0);
+}
+/* }}} */
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: sw=4 ts=4 fdm=marker
+ * vim<600: sw=4 ts=4
+ */
+