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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php3_browscap.h"
#include "php_ini.h"
#include "php_regex.h"
#include "zend_globals.h"
#ifndef THREAD_SAFE
HashTable browser_hash;
static char *lookup_browser_name;
static pval *found_browser_entry;
#endif
function_entry browscap_functions[] = {
{"get_browser", php3_get_browser, NULL},
{NULL, NULL, NULL}
};
php3_module_entry browscap_module_entry = {
"browscap", browscap_functions, php3_minit_browscap, php3_mshutdown_browscap, NULL, NULL, NULL, STANDARD_MODULE_PROPERTIES
};
static int browser_reg_compare(pval *browser)
{
pval *browser_name;
regex_t r;
if (found_browser_entry) { /* already found */
return 0;
}
_php3_hash_find(browser->value.ht,"browser_name_pattern",sizeof("browser_name_pattern"),(void **) &browser_name);
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;
}
PHP_FUNCTION(get_browser)
{
pval *agent_name,*agent,tmp;
ELS_FETCH();
if (!INI_STR("browscap")) {
RETURN_FALSE;
}
switch(ARG_COUNT(ht)) {
case 0:
if (_php3_hash_find(&EG(symbol_table), "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
agent_name = &tmp;
var_reset(agent_name);
}
break;
case 1:
if (getParameters(ht, 1, &agent_name)==FAILURE) {
RETURN_FALSE;
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_string(agent_name);
if (_php3_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;
_php3_hash_apply(&browser_hash,(int (*)(void *)) browser_reg_compare);
if (found_browser_entry) {
agent = found_browser_entry;
} else if (_php3_hash_find(&browser_hash, "Default Browser", sizeof("Default Browser"), (void **) &agent)==FAILURE) {
RETURN_FALSE;
}
}
*return_value = *agent;
return_value->type = IS_OBJECT;
pval_copy_constructor(return_value);
return_value->value.ht->pDestructor = PVAL_DESTRUCTOR;
while (_php3_hash_find(agent->value.ht, "parent", sizeof("parent"), (void **) &agent_name)==SUCCESS) {
if (_php3_hash_find(&browser_hash, agent_name->value.str.val, agent_name->value.str.len+1, (void **) &agent)==FAILURE) {
break;
}
_php3_hash_merge(return_value->value.ht,agent->value.ht,(void (*)(void *pData)) pval_copy_constructor, (void *) &tmp, sizeof(pval), 0);
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
