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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_regex.h"
#include "php_browscap.h"
#include "php_ini.h"
#include "zend_globals.h"
HashTable browser_hash;
#define DEFAULT_SECTION_NAME "Default Browser Capability Settings"
static int browser_reg_compare(zval **browser,int num_args, va_list args, zend_hash_key *key)
{
zval **browser_name;
regex_t r;
char *lookup_browser_name = va_arg(args,char *);
zval **found_browser_entry = va_arg(args,zval **);
if (*found_browser_entry) { /* already found */
return 0;
}
if(zend_hash_find((*browser)->value.obj.properties, "browser_name_pattern",sizeof("browser_name_pattern"),(void **) &browser_name) == FAILURE) {
return 0;
}
if (!strchr((*browser_name)->value.str.val,'*')) {
return 0;
}
if (regcomp(&r,(*browser_name)->value.str.val,REG_NOSUB)!=0) {
return 0;
}
if (regexec(&r,lookup_browser_name,0,NULL,0)==0) {
*found_browser_entry = *browser;
}
regfree(&r);
return 0;
}
/* {{{ proto object get_browser(string browser_name)
Get information about the capabilities of a browser */
PHP_FUNCTION(get_browser)
{
zval **agent_name,**agent;
zval *found_browser_entry,*tmp_copy;
char *lookup_browser_name;
if (!INI_STR("browscap")) {
RETURN_FALSE;
}
switch(ZEND_NUM_ARGS()) {
case 0:
if (zend_hash_find(&EG(symbol_table), "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
zend_error(E_WARNING,"HTTP_USER_AGENT variable is not set, cannot determine user agent name");
RETURN_FALSE;
}
break;
case 1:
if (zend_get_parameters_ex(1,&agent_name)==FAILURE) {
RETURN_FALSE;
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_string_ex(agent_name);
if (zend_hash_find(&browser_hash, (*agent_name)->value.str.val,(*agent_name)->value.str.len+1, (void **) &agent)==FAILURE) {
lookup_browser_name = (*agent_name)->value.str.val;
found_browser_entry = NULL;
zend_hash_apply_with_arguments(&browser_hash,(int (*)(void *, int, va_list, zend_hash_key *)) browser_reg_compare,2,lookup_browser_name,&found_browser_entry);
if (found_browser_entry) {
agent = &found_browser_entry;
} else if (zend_hash_find(&browser_hash, DEFAULT_SECTION_NAME, sizeof(DEFAULT_SECTION_NAME), (void **) &agent)==FAILURE) {
RETURN_FALSE;
}
}
object_init(return_value);
zend_hash_copy(return_value->value.obj.properties,(*agent)->value.obj.properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
while (zend_hash_find((*agent)->value.obj.properties, "parent",sizeof("parent"), (void **) &agent_name)==SUCCESS) {
if (zend_hash_find(&browser_hash,(*agent_name)->value.str.val, (*agent_name)->value.str.len+1, (void **)&agent)==FAILURE) {
break;
}
zend_hash_merge(return_value->value.obj.properties,(*agent)->value.obj.properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
}
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
