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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 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_01.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: Kirti Velankar <kirtig@yahoo-inc.com> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unicode/ustring.h>
#include <unicode/udata.h>
#include <unicode/putil.h>
#include <unicode/ures.h>
#include "php_intl.h"
#include "locale.h"
#include "locale_class.h"
#include "locale_methods.h"
#include "intl_convert.h"
#include "intl_data.h"
#include <zend_API.h>
#include <zend.h>
#include <php.h>
#include "main/php_ini.h"
#include "ext/standard/php_smart_str.h"
ZEND_EXTERN_MODULE_GLOBALS( intl )
//Sizes required for the strings "variant15" , "extlang11", "private12" etc.
#define SEPARATOR "_"
#define SEPARATOR1 "-"
#define DELIMITER "-_"
#define EXTLANG_PREFIX "a"
#define PRIVATE_PREFIX "x"
#define DISP_NAME "name"
#define MAX_NO_VARIANT 15
#define MAX_NO_EXTLANG 3
#define MAX_NO_PRIVATE 15
#define MAX_NO_LOOKUP_LANG_TAG 100
#define LOC_NOT_FOUND 1
//Sizes required for the strings "variant15" , "extlang3", "private12" etc.
#define VARIANT_KEYNAME_LEN 11
#define EXTLANG_KEYNAME_LEN 10
#define PRIVATE_KEYNAME_LEN 11
/* Based on IANA registry at the time of writing this code
*
*/
static const char * const LOC_GRANDFATHERED[] = {
"art-lojban", "i-klingon", "i-lux", "i-navajo", "no-bok", "no-nyn",
"cel-gaulish", "en-GB-oed", "i-ami",
"i-bnn", "i-default", "i-enochian",
"i-mingo", "i-pwn", "i-tao",
"i-tay", "i-tsu", "sgn-BE-fr",
"sgn-BE-nl", "sgn-CH-de", "zh-cmn",
"zh-cmn-Hans", "zh-cmn-Hant", "zh-gan" ,
"zh-guoyu", "zh-hakka", "zh-min",
"zh-min-nan", "zh-wuu", "zh-xiang",
"zh-yue", NULL
};
/* Based on IANA registry at the time of writing this code
* This array lists the preferred values for the grandfathered tags if applicable
* This is in sync with the array LOC_GRANDFATHERED
* e.g. the offsets of the grandfathered tags match the offset of the preferred value
*/
static const int LOC_PREFERRED_GRANDFATHERED_LEN = 6;
static const char * const LOC_PREFERRED_GRANDFATHERED[] = {
"jbo", "tlh", "lb",
"nv", "nb", "nn",
NULL
};
/*returns TRUE if a is an ID separator FALSE otherwise*/
#define isIDSeparator(a) (a == '_' || a == '-')
#define isKeywordSeparator(a) (a == '@' )
#define isEndOfTag(a) (a == '\0' )
#define isPrefixLetter(a) ((a=='x')||(a=='X')||(a=='i')||(a=='I'))
/*returns TRUE if one of the special prefixes is here (s=string)
'x-' or 'i-' */
#define isIDPrefix(s) (isPrefixLetter(s[0])&&isIDSeparator(s[1]))
#define isKeywordPrefix(s) ( isKeywordSeparator(s[0]) )
/* Dot terminates it because of POSIX form where dot precedes the codepage
* except for variant
*/
#define isTerminator(a) ((a==0)||(a=='.')||(a=='@'))
/*{{{ return the offset of 'key' in the array 'list'.
* returns -1 if not present
*/
static int16_t findOffset(const char* const* list, const char* key)
{
const char* const* anchor = list;
while (*list != NULL) {
if (strcmp(key, *list) == 0) {
return (int16_t)(list - anchor);
}
list++;
}
return -1;
}
/*}}}*/
static char* getPreferredTag(char* gf_tag)
{
char* result = NULL;
int grOffset = 0;
grOffset = findOffset( LOC_GRANDFATHERED ,gf_tag);
if( grOffset < LOC_PREFERRED_GRANDFATHERED_LEN ){
//return preferred tag
result = estrdup( LOC_PREFERRED_GRANDFATHERED[grOffset] );
} else {
//Return correct grandfathered language tag
result = estrdup( LOC_GRANDFATHERED[grOffset] );
}
return result;
}
/* {{{
* returns the position of next token for lookup
* or -1 if no token
* strtokr equivalent search for token in reverse direction
*/
static int getStrrtokenPos(char* str, int savedPos)
{
int result =-1;
int i=0;
for( i=savedPos; i>=0 ;i--){
if( isIDSeparator(*(str+i)) ){
//delimiter found; check for singleton
if( isIDSeparator(*(str+i-2)) ){
//a singleton; so send the position of token before the singleton
result = i-3;
} else {
result = i-1;
}
break;
}
}
if(result < 1){
//Just in case inavlid locale e.g. '-x-xyz' or '-sl_Latn'
result =-1;
}
return result;
}
/* }}} */
/* {{{
* returns the position of a singleton if present
* returns -1 if no singleton
* strtok equivalent search for singleton
*/
static int getSingletonPos(char* str)
{
int result =-1;
int i=0;
int len = 0;
if( str && ((len=strlen(str))>0) ){
for( i=0; i<len ; i++){
if( isIDSeparator(*(str+i)) ){
if( i==1){
// string is of the form x-avy or a-prv1
result =0;
break;
} else {
//delimiter found; check for singleton
if( isIDSeparator(*(str+i+2)) ){
//a singleton; so send the position of separator before singleton
result = i+1;
break;
}
}
}
}//end of for
}
return result;
}
/* }}} */
/* {{{ proto static string Locale::getDefault( )
* Gets the default locale
}}} */
/* {{{ proto static string locale_get_default( )
* Gets the default locale
*/
PHP_NAMED_FUNCTION( zif_locale_get_default){
if( INTL_G(default_locale) == NULL ) {
INTL_G(default_locale) = pestrdup( uloc_getDefault(), 1);
}
RETURN_STRING( INTL_G(default_locale), TRUE );
}
/* }}} */
/* {{{ proto static string Locale::setDefault( string $locale )
* sets the default locale
* }}} */
/* {{{ proto static string locale_set_default( string $locale )
* sets the default locale
*/
PHP_NAMED_FUNCTION(zif_locale_set_default)
{
char* locale_name = NULL;
int len=0;
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s",
&locale_name ,&len ) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_set_default: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
if(len == 0) {
locale_name = (char *)uloc_getDefault() ;
len = strlen(locale_name);
}
zend_alter_ini_entry(LOCALE_INI_NAME, sizeof(LOCALE_INI_NAME), locale_name, len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
RETURN_TRUE;
}
/* }}} */
/* {{{
* Gets the value from ICU
* common code shared by get_primary_language,get_script or get_region or get_variant
* result = 0 if error, 1 if successful , -1 if no value
*/
static char* get_icu_value_internal( char* loc_name , char* tag_name, int* result , int fromParseLocale)
{
char* tag_value = NULL;
int32_t tag_value_len = 512;
int singletonPos = 0;
char* mod_loc_name = NULL;
int grOffset = 0;
int32_t buflen = 512;
UErrorCode status = U_ZERO_ERROR;
if( tag_name != LOC_CANONICALIZE_TAG ){
//Handle grandfathered languages
grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
if( grOffset >= 0 ){
if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
tag_value = estrdup(loc_name);
return tag_value;
} else {
//Since Grandfathered , no value , do nothing , retutn NULL
return NULL;
}
}
if( fromParseLocale==1 ){
//Handle singletons
if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
if( strlen(loc_name)>1 && (isIDPrefix(loc_name) ==1 ) ){
return loc_name;
}
}
singletonPos = getSingletonPos( loc_name );
if( singletonPos == 0){
//singleton at start of script, region , variant etc.
//or invalid singleton at start of language
return NULL;
} else if( singletonPos > 0 ){
//singleton at some position except at start
//strip off the singleton and rest of the loc_name
mod_loc_name = estrndup ( loc_name , singletonPos-1);
}
}//end of if fromParse
}//end of if != LOC_CANONICAL_TAG
if( mod_loc_name == NULL){
mod_loc_name = estrdup(loc_name );
}
//Proceed to ICU
do{
tag_value = erealloc( tag_value , buflen );
tag_value_len = buflen;
if( strcmp(tag_name , LOC_SCRIPT_TAG)==0 ){
buflen = uloc_getScript ( mod_loc_name ,tag_value , tag_value_len , &status);
}
if( strcmp(tag_name , LOC_LANG_TAG )==0 ){
buflen = uloc_getLanguage ( mod_loc_name ,tag_value , tag_value_len , &status);
}
if( strcmp(tag_name , LOC_REGION_TAG)==0 ){
buflen = uloc_getCountry ( mod_loc_name ,tag_value , tag_value_len , &status);
}
if( strcmp(tag_name , LOC_VARIANT_TAG)==0 ){
buflen = uloc_getVariant ( mod_loc_name ,tag_value , tag_value_len , &status);
}
if( strcmp(tag_name , LOC_CANONICALIZE_TAG)==0 ){
buflen = uloc_canonicalize ( mod_loc_name ,tag_value , tag_value_len , &status);
}
if( U_FAILURE( status ) ) {
if( status == U_BUFFER_OVERFLOW_ERROR )
{
status = U_ZERO_ERROR;
continue;
}
//Error in retriving data
*result = 0;
if( tag_value ){
efree( tag_value );
}
if( mod_loc_name ){
efree( mod_loc_name);
}
return NULL;
}
} while( buflen > tag_value_len );
if( buflen ==0 ){
//No value found
*result = -1;
if( tag_value ){
efree( tag_value );
}
if( mod_loc_name ){
efree( mod_loc_name);
}
return NULL;
} else {
*result = 1;
}
if( mod_loc_name ){
efree( mod_loc_name);
}
return tag_value;
}
/* }}} */
/* {{{
* Gets the value from ICU , called when PHP userspace function is called
* common code shared by get_primary_language,get_script or get_region or get_variant
*/
static void get_icu_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS)
{
char* loc_name = NULL;
int loc_name_len = 0;
char* tag_value = NULL;
char* empty_result = "";
int result = 0;
char* msg = NULL;
UErrorCode status = U_ZERO_ERROR;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s",
&loc_name ,&loc_name_len ) == FAILURE) {
spprintf(&msg , 0, "locale_get_%s : unable to parse input params", tag_name );
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, msg , 1 TSRMLS_CC );
efree(msg);
RETURN_NULL();
}
if(loc_name_len == 0) {
loc_name = INTL_G(default_locale);
}
//Call ICU get
tag_value = get_icu_value_internal( loc_name , tag_name , &result ,0);
//No value found
if( result == -1 ) {
if( tag_value){
efree( tag_value);
}
RETURN_STRING( empty_result , TRUE);
}
//value found
if( tag_value){
RETURN_STRING( tag_value , FALSE);
}
//Error encountered while fetching the value
if( result ==0) {
spprintf(&msg , 0, "locale_get_%s : unable to get locale %s", tag_name , tag_name );
intl_error_set( NULL, status, msg , 1 TSRMLS_CC );
efree(msg);
RETURN_NULL();
}
}
/* }}} */
/* {{{ proto static string Locale::getScript($locale)
* gets the script for the $locale
}}} */
/* {{{ proto static string locale_get_script($locale)
* gets the script for the $locale
*/
PHP_FUNCTION( locale_get_script )
{
get_icu_value_src_php( LOC_SCRIPT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static string Locale::getRegion($locale)
* gets the region for the $locale
}}} */
/* {{{ proto static string locale_get_region($locale)
* gets the region for the $locale
*/
PHP_FUNCTION( locale_get_region )
{
get_icu_value_src_php( LOC_REGION_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static string Locale::getPrimaryLanguage($locale)
* gets the primary language for the $locale
}}} */
/* {{{ proto static string locale_get_primary_language($locale)
* gets the primary language for the $locale
*/
PHP_FUNCTION(locale_get_primary_language )
{
get_icu_value_src_php( LOC_LANG_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{
* common code shared by display_xyz functions to get the value from ICU
}}} */
static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS)
{
char* loc_name = NULL;
int loc_name_len = 0;
char* disp_loc_name = NULL;
int disp_loc_name_len = 0;
UChar* disp_name = NULL;
int32_t disp_name_len = 0;
char* mod_loc_name = NULL;
int32_t buflen = 512;
UErrorCode status = U_ZERO_ERROR;
char* utf8value = NULL;
int utf8value_len = 0;
char* msg = NULL;
int grOffset = 0;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s|s",
&loc_name, &loc_name_len ,
&disp_loc_name ,&disp_loc_name_len ) == FAILURE)
{
spprintf(&msg , 0, "locale_get_display_%s : unable to parse input params", tag_name );
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, msg , 1 TSRMLS_CC );
efree(msg);
RETURN_FALSE;
}
if(loc_name_len == 0) {
loc_name = INTL_G(default_locale);
}
if( tag_name != DISP_NAME ){
//Handle grandfathered languages
grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
if( grOffset >= 0 ){
if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
mod_loc_name = getPreferredTag( loc_name );
} else {
//Since Grandfathered , no value , do nothing , retutn NULL
RETURN_FALSE;
}
}
/*
int singletonPos = 0;
//Handle singletons
if( (strcmp(tag_name , LOC_LANG_TAG)==0) && isIDPrefix(loc_name) ){
//return mod_loc_name;
} else {
singletonPos = getSingletonPos( loc_name );
if( singletonPos == 0){
//singleton at start of script, region , variant etc.
//or invalid singleton at start of language
RETURN_FALSE;
}else if(singletonPos > 0){
//singleton at some position except at start
//strip off the singleton and rest of the loc_name
mod_loc_name = estrndup( loc_name , singletonPos-1);
}
}
*/
}//end of if != LOC_CANONICAL_TAG
if( mod_loc_name==NULL ){
mod_loc_name = estrdup( loc_name );
}
//Get the disp_value for the given locale
do{
disp_name = erealloc( disp_name , buflen );
disp_name_len = buflen;
//Check if disp_loc_name passed , if not use default locale
if( !disp_loc_name){
disp_loc_name = estrdup(INTL_G(default_locale));
}
if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
buflen = uloc_getDisplayLanguage ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
} else if( strcmp(tag_name , LOC_SCRIPT_TAG)==0 ){
buflen = uloc_getDisplayScript ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
} else if( strcmp(tag_name , LOC_REGION_TAG)==0 ){
buflen = uloc_getDisplayCountry ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
} else if( strcmp(tag_name , LOC_VARIANT_TAG)==0 ){
buflen = uloc_getDisplayVariant ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
} else if( strcmp(tag_name , DISP_NAME)==0 ){
buflen = uloc_getDisplayName ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
}
if( U_FAILURE( status ) )
{
if( status == U_BUFFER_OVERFLOW_ERROR )
{
status = U_ZERO_ERROR;
continue;
}
spprintf(&msg, 0, "locale_get_display_%s : unable to get locale %s", tag_name , tag_name );
intl_error_set( NULL, status, msg , 1 TSRMLS_CC );
efree(msg);
if( disp_name){
efree( disp_name );
}
if( mod_loc_name){
efree( mod_loc_name );
}
RETURN_FALSE;
}
} while( buflen > disp_name_len );
if( mod_loc_name){
efree( mod_loc_name );
}
// Convert display locale name from UTF-16 to UTF-8.
intl_convert_utf16_to_utf8( &utf8value, &utf8value_len, disp_name, buflen, &status );
efree( disp_name );
if( U_FAILURE( status ) )
{
spprintf(&msg, 0, "locale_get_display_%s :error converting display name for %s to UTF-8", tag_name , tag_name );
intl_error_set( NULL, status, msg , 1 TSRMLS_CC );
efree(msg);
RETURN_FALSE;
}
RETVAL_STRINGL( utf8value, utf8value_len , FALSE);
}
/* }}} */
/* {{{ proto static string Locale::getDisplayName($locale[, $in_locale = null])
* gets the name for the $locale in $in_locale or default_locale
}}} */
/* {{{ proto static string get_display_name($locale[, $in_locale = null])
* gets the name for the $locale in $in_locale or default_locale
*/
PHP_FUNCTION(locale_get_display_name)
{
get_icu_disp_value_src_php( DISP_NAME , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static string Locale::getDisplayLanguage($locale[, $in_locale = null])
* gets the language for the $locale in $in_locale or default_locale
}}} */
/* {{{ proto static string get_display_language($locale[, $in_locale = null])
* gets the language for the $locale in $in_locale or default_locale
*/
PHP_FUNCTION(locale_get_display_language)
{
get_icu_disp_value_src_php( LOC_LANG_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static string Locale::getDisplayScript($locale, $in_locale = null)
* gets the script for the $locale in $in_locale or default_locale
}}} */
/* {{{ proto static string get_display_script($locale, $in_locale = null)
* gets the script for the $locale in $in_locale or default_locale
*/
PHP_FUNCTION(locale_get_display_script)
{
get_icu_disp_value_src_php( LOC_SCRIPT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static string Locale::getDisplayRegion($locale, $in_locale = null)
* gets the region for the $locale in $in_locale or default_locale
}}} */
/* {{{ proto static string get_display_region($locale, $in_locale = null)
* gets the region for the $locale in $in_locale or default_locale
*/
PHP_FUNCTION(locale_get_display_region)
{
get_icu_disp_value_src_php( LOC_REGION_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{
* proto static string Locale::getDisplayVariant($locale, $in_locale = null)
* gets the variant for the $locale in $in_locale or default_locale
}}} */
/* {{{
* proto static string get_display_variant($locale, $in_locale = null)
* gets the variant for the $locale in $in_locale or default_locale
*/
PHP_FUNCTION(locale_get_display_variant)
{
get_icu_disp_value_src_php( LOC_VARIANT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ proto static array getKeywords(string $locale) {
* return an associative array containing keyword-value
* pairs for this locale. The keys are keys to the array (doh!)
* }}}*/
/* {{{ proto static array locale_get_keywords(string $locale) {
* return an associative array containing keyword-value
* pairs for this locale. The keys are keys to the array (doh!)
*/
PHP_FUNCTION( locale_get_keywords )
{
UEnumeration* e = NULL;
UErrorCode status = U_ZERO_ERROR;
const char* kw_key = NULL;
int32_t kw_key_len = 0;
char* loc_name = NULL;
int loc_name_len = 0;
/*
ICU expects the buffer to be allocated before calling the function
and so the buffer size has been explicitly specified
ICU uloc.h #define ULOC_KEYWORD_AND_VALUES_CAPACITY 100
hence the kw_value buffer size is 100
*/
char* kw_value = NULL;
int32_t kw_value_len = 100;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s",
&loc_name, &loc_name_len ) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_get_keywords: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
if(loc_name_len == 0) {
loc_name = INTL_G(default_locale);
}
//Get the keywords
e = uloc_openKeywords( loc_name, &status );
if( e != NULL )
{
// Traverse it, filling the return array.
array_init( return_value );
while( ( kw_key = uenum_next( e, &kw_key_len, &status ) ) != NULL ){
kw_value = ecalloc( 1 , kw_value_len );
//Get the keyword value for each keyword
kw_value_len=uloc_getKeywordValue( loc_name,kw_key, kw_value, kw_value_len , &status );
if (status == U_BUFFER_OVERFLOW_ERROR) {
status = U_ZERO_ERROR;
kw_value = erealloc( kw_value , kw_value_len+1);
kw_value_len=uloc_getKeywordValue( loc_name,kw_key, kw_value, kw_value_len+1 , &status );
} else if(!U_FAILURE(status)) {
kw_value = erealloc( kw_value , kw_value_len+1);
}
if (U_FAILURE(status)) {
intl_error_set( NULL, FAILURE, "locale_get_keywords: Error encountered while getting the keyword value for the keyword", 0 TSRMLS_CC );
if( kw_value){
efree( kw_value );
}
zval_dtor(return_value);
RETURN_FALSE;
}
add_assoc_stringl( return_value, (char *)kw_key, kw_value , kw_value_len, 0);
} //end of while
}//end of if e!=NULL
uenum_close( e );
}
/* }}} */
/* {{{ proto static string Locale::canonicalize($locale)
* @return string the canonicalized locale
* }}} */
/* {{{ proto static string locale_canonicalize(Locale $loc, string $locale)
* @param string $locale The locale string to canonicalize
*/
PHP_FUNCTION(locale_canonicalize)
{
get_icu_value_src_php( LOC_CANONICALIZE_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
}
/* }}} */
/* {{{ append_key_value
* Internal function which is called from locale_compose
* gets the value for the key_name and appends to the loc_name
* returns 1 if successful , -1 if not found ,
* 0 if array element is not a string , -2 if buffer-overflow
*/
static int append_key_value(smart_str* loc_name, HashTable* hash_arr, char* key_name)
{
zval** ele_value = NULL;
if(zend_hash_find(hash_arr , key_name , strlen(key_name) + 1 ,(void **)&ele_value ) == SUCCESS ) {
if(Z_TYPE_PP(ele_value)!= IS_STRING ){
//element value is not a string
return FAILURE;
}
if(strcmp(key_name, LOC_LANG_TAG) != 0 &&
strcmp(key_name, LOC_GRANDFATHERED_LANG_TAG)!=0 ) {
// not lang or grandfathered tag
smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
}
smart_str_appendl(loc_name, Z_STRVAL_PP(ele_value) , Z_STRLEN_PP(ele_value));
return SUCCESS;
}
return LOC_NOT_FOUND;
}
/* }}} */
/* {{{ append_prefix , appends the prefix needed
* e.g. private adds 'x'
*/
static void add_prefix(smart_str* loc_name, char* key_name)
{
if( strncmp(key_name , LOC_PRIVATE_TAG , 7) == 0 ){
smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
smart_str_appendl(loc_name, PRIVATE_PREFIX , sizeof(PRIVATE_PREFIX)-1);
}
}
/* }}} */
/* {{{ append_multiple_key_values
* Internal function which is called from locale_compose
* gets the multiple values for the key_name and appends to the loc_name
* used for 'variant','extlang','private'
* returns 1 if successful , -1 if not found ,
* 0 if array element is not a string , -2 if buffer-overflow
*/
static int append_multiple_key_values(smart_str* loc_name, HashTable* hash_arr, char* key_name TSRMLS_DC)
{
zval** ele_value = NULL;
int i = 0;
int isFirstSubtag = 0;
int max_value = 0;
//Variant/ Extlang/Private etc.
if( zend_hash_find( hash_arr , key_name , strlen(key_name) + 1 ,(void **)&ele_value ) == SUCCESS ) {
if( Z_TYPE_PP(ele_value) == IS_STRING ){
add_prefix( loc_name , key_name);
smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
smart_str_appendl(loc_name, Z_STRVAL_PP(ele_value) , Z_STRLEN_PP(ele_value));
return SUCCESS;
} else if(Z_TYPE_PP(ele_value) == IS_ARRAY ) {
HashPosition pos;
HashTable *arr = HASH_OF(*ele_value);
zval **data = NULL;
zend_hash_internal_pointer_reset_ex(arr, &pos);
while(zend_hash_get_current_data_ex(arr, (void **)&data, &pos) != FAILURE) {
if(Z_TYPE_PP(data) != IS_STRING) {
return FAILURE;
}
if (isFirstSubtag++ == 0){
add_prefix(loc_name , key_name);
}
smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
smart_str_appendl(loc_name, Z_STRVAL_PP(data) , Z_STRLEN_PP(data));
zend_hash_move_forward_ex(arr, &pos);
}
return SUCCESS;
} else {
return FAILURE;
}
} else {
char cur_key_name[31];
//Decide the max_value: the max. no. of elements allowed
if( strcmp(key_name , LOC_VARIANT_TAG) ==0 ){
max_value = MAX_NO_VARIANT;
}
if( strcmp(key_name , LOC_EXTLANG_TAG) ==0 ){
max_value = MAX_NO_EXTLANG;
}
if( strcmp(key_name , LOC_PRIVATE_TAG) ==0 ){
max_value = MAX_NO_PRIVATE;
}
//Multiple variant values as variant0, variant1 ,variant2
isFirstSubtag = 0;
for( i=0 ; i< max_value; i++ ){
snprintf( cur_key_name , 30, "%s%d", key_name , i);
if( zend_hash_find( hash_arr , cur_key_name , strlen(cur_key_name) + 1,(void **)&ele_value ) == SUCCESS ){
if( Z_TYPE_PP(ele_value)!= IS_STRING ){
//variant is not a string
return FAILURE;
}
//Add the contents
if (isFirstSubtag++ == 0){
add_prefix(loc_name , cur_key_name);
}
smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
smart_str_appendl(loc_name, Z_STRVAL_PP(ele_value) , Z_STRLEN_PP(ele_value));
}
}//end of for
}//end of else
return SUCCESS;
}
/* }}} */
/*{{{
* If applicable sets error message and aborts locale_compose gracefully
* returns 0 if locale_compose needs to be aborted
* otherwise returns 1
*/
static int handleAppendResult( int result, smart_str* loc_name TSRMLS_DC)
{
intl_error_reset( NULL TSRMLS_CC );
if( result == FAILURE) {
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_compose: parameter array element is not a string", 0 TSRMLS_CC );
smart_str_free(loc_name);
return 0;
}
return 1;
}
/* }}} */
#define RETURN_SMART_STR(s) smart_str_0((s)); RETURN_STRINGL((s)->c, (s)->len, 0)
/* {{{ proto static string Locale::composeLocale($array)
* Creates a locale by combining the parts of locale-ID passed
* }}} */
/* {{{ proto static string compose_locale($array)
* Creates a locale by combining the parts of locale-ID passed
* }}} */
PHP_FUNCTION(locale_compose)
{
smart_str loc_name_s = {0};
smart_str *loc_name = &loc_name_s;
zval* arr = NULL;
HashTable* hash_arr = NULL;
int result = 0;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "a",
&arr) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_compose: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
hash_arr = HASH_OF( arr );
if( !hash_arr || zend_hash_num_elements( hash_arr ) == 0 )
RETURN_FALSE;
//Check for grandfathered first
result = append_key_value(loc_name, hash_arr, LOC_GRANDFATHERED_LANG_TAG);
if( result == SUCCESS){
RETURN_SMART_STR(loc_name);
}
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Not grandfathered
result = append_key_value(loc_name, hash_arr , LOC_LANG_TAG);
if( result == LOC_NOT_FOUND ){
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_compose: parameter array does not contain 'language' tag.", 0 TSRMLS_CC );
smart_str_free(loc_name);
RETURN_FALSE;
}
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Extlang
result = append_multiple_key_values(loc_name, hash_arr , LOC_EXTLANG_TAG TSRMLS_CC);
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Script
result = append_key_value(loc_name, hash_arr , LOC_SCRIPT_TAG);
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Region
result = append_key_value( loc_name, hash_arr , LOC_REGION_TAG);
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Variant
result = append_multiple_key_values( loc_name, hash_arr , LOC_VARIANT_TAG TSRMLS_CC);
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
//Private
result = append_multiple_key_values( loc_name, hash_arr , LOC_PRIVATE_TAG TSRMLS_CC);
if( !handleAppendResult( result, loc_name TSRMLS_CC)){
RETURN_FALSE;
}
RETURN_SMART_STR(loc_name);
}
/* }}} */
/*{{{
* Parses the locale and returns private subtags if existing
* else returns NULL
* e.g. for locale='en_US-x-prv1-prv2-prv3'
* returns a pointer to the string 'prv1-prv2-prv3'
*/
static char* get_private_subtags(char* loc_name)
{
char* result =NULL;
int singletonPos = 0;
int len =0;
char* mod_loc_name =NULL;
if( loc_name && (len = strlen(loc_name)>0 ) ){
mod_loc_name = loc_name ;
len = strlen(mod_loc_name);
while( (singletonPos = getSingletonPos(mod_loc_name))!= -1){
if( singletonPos!=-1){
if( (*(mod_loc_name+singletonPos)=='x') || (*(mod_loc_name+singletonPos)=='X') ){
//private subtag start found
if( singletonPos + 2 == len){
//loc_name ends with '-x-' ; return NULL
}
else{
//result = mod_loc_name + singletonPos +2;
result = estrndup(mod_loc_name + singletonPos+2 , (len -( singletonPos +2) ) );
}
break;
}
else{
if( singletonPos + 1 >= len){
//String end
break;
} else {
//singleton found but not a private subtag , hence check further in the string for the private subtag
mod_loc_name = mod_loc_name + singletonPos +1;
len = strlen(mod_loc_name);
}
}
}
}//end of while
}
return result;
}
/* }}} */
/* {{{ code used by locale_parse
*/
static int add_array_entry(char* loc_name, zval* hash_arr, char* key_name TSRMLS_DC)
{
char* key_value = NULL;
char* cur_key_name = NULL;
char* token = NULL;
char* last_ptr = NULL;
int result = 0;
int cur_result = 0;
int cnt = 0;
if( strcmp(key_name , LOC_PRIVATE_TAG)==0 ){
key_value = get_private_subtags( loc_name );
result = 1;
} else {
key_value = get_icu_value_internal( loc_name , key_name , &result,1 );
}
if( (strcmp(key_name , LOC_PRIVATE_TAG)==0) ||
( strcmp(key_name , LOC_VARIANT_TAG)==0) ){
if( result > 0 && key_value){
//Tokenize on the "_" or "-"
token = php_strtok_r( key_value , DELIMITER ,&last_ptr);
if( cur_key_name ){
efree( cur_key_name);
}
cur_key_name = (char*)ecalloc( 25, 25);
sprintf( cur_key_name , "%s%d", key_name , cnt++);
add_assoc_string( hash_arr, cur_key_name , token ,TRUE );
//tokenize on the "_" or "-" and stop at singleton if any
while( (token = php_strtok_r(NULL , DELIMITER , &last_ptr)) && (strlen(token)>1) ){
sprintf( cur_key_name , "%s%d", key_name , cnt++);
add_assoc_string( hash_arr, cur_key_name , token , TRUE );
}
if( key_name == LOC_PRIVATE_TAG ){
}
}
} else {
if( result == 1 ){
add_assoc_string( hash_arr, key_name , key_value , TRUE );
cur_result = 1;
}
}
if( cur_key_name ){
efree( cur_key_name);
}
//if( key_name != LOC_PRIVATE_TAG && key_value){
if( key_value){
efree(key_value);
}
return cur_result;
}
/* }}} */
/* {{{ proto static array Locale::parseLocale($locale)
* parses a locale-id into an array the different parts of it
}}} */
/* {{{ proto static array parse_locale($locale)
* parses a locale-id into an array the different parts of it
*/
PHP_FUNCTION(locale_parse)
{
char* loc_name = NULL;
int loc_name_len = 0;
int grOffset = 0;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s",
&loc_name, &loc_name_len ) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_parse: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
if(loc_name_len == 0) {
loc_name = INTL_G(default_locale);
}
array_init( return_value );
grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
if( grOffset >= 0 ){
add_assoc_string( return_value , LOC_GRANDFATHERED_LANG_TAG , estrdup(loc_name) ,FALSE );
}
else{
//Not grandfathered
add_array_entry( loc_name , return_value , LOC_LANG_TAG TSRMLS_CC);
add_array_entry( loc_name , return_value , LOC_SCRIPT_TAG TSRMLS_CC);
add_array_entry( loc_name , return_value , LOC_REGION_TAG TSRMLS_CC);
add_array_entry( loc_name , return_value , LOC_VARIANT_TAG TSRMLS_CC);
add_array_entry( loc_name , return_value , LOC_PRIVATE_TAG TSRMLS_CC);
}
}
/* }}} */
/* {{{ proto static array Locale::getAllVariants($locale)
* gets an array containing the list of variants, or null
}}} */
/* {{{ proto static array locale_get_all_variants($locale)
* gets an array containing the list of variants, or null
*/
PHP_FUNCTION(locale_get_all_variants)
{
char* loc_name = NULL;
int loc_name_len = 0;
int result = 0;
char* token = NULL;
char* variant = NULL;
char* saved_ptr = NULL;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s",
&loc_name, &loc_name_len ) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_parse: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
if(loc_name_len == 0) {
loc_name = INTL_G(default_locale);
}
array_init( return_value );
//If the locale is grandfathered , stop , no variants
if( findOffset( LOC_GRANDFATHERED , loc_name ) >= 0 ){
//("Grandfathered Tag. No variants.");
}
else {
//Call ICU variant
variant = get_icu_value_internal( loc_name , LOC_VARIANT_TAG , &result ,0);
if( result > 0 && variant){
//Tokenize on the "_" or "-"
token = php_strtok_r( variant , DELIMITER , &saved_ptr);
add_next_index_stringl( return_value, token , strlen(token) ,TRUE );
//tokenize on the "_" or "-" and stop at singleton if any
while( (token = php_strtok_r(NULL , DELIMITER, &saved_ptr)) && (strlen(token)>1) ){
add_next_index_stringl( return_value, token , strlen(token) ,TRUE );
}
}
if( variant ){
efree( variant );
}
}
}
/* }}} */
/*{{{
* Converts to lower case and also replaces all hyphuns with the underscore
*/
static int strToMatch(char* str ,char *retstr)
{
char* anchor = NULL;
char* anchor1 = NULL;
int result = 0;
int len = 0;
if( (!str) || strlen(str) ==0){
return result;
} else {
anchor = retstr;
anchor1 = str;
len = strlen(str);
while( (*str)!='\0' ){
if( *str == '-' ){
*retstr = '_';
} else {
*retstr = tolower(*str);
}
str++;
retstr++;
}
*retstr = '\0';
retstr= anchor;
str= anchor1;
result = 1;
}
return(result);
}
/* }}} */
/* {{{ proto static boolean Locale::filterMatches(string $langtag, string $locale)
* Checks if a $langtag filter matches with $locale according to RFC 4647's basic filtering algorithm
*/
/* }}} */
/* {{{ proto boolean locale_filter_matches(string $langtag, string $locale)
* Checks if a $langtag filter matches with $locale according to RFC 4647's basic filtering algorithm
*/
PHP_FUNCTION(locale_filter_matches)
{
char* lang_tag = NULL;
int lang_tag_len = 0;
char* loc_range = NULL;
int loc_range_len = 0;
int result = 0;
char* token = 0;
char* chrcheck = NULL;
char* can_lang_tag = NULL;
char* can_loc_range = NULL;
char* cur_lang_tag = NULL;
char* cur_loc_range = NULL;
zend_bool boolCanonical = 0;
UErrorCode status = U_ZERO_ERROR;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "ssb",
&lang_tag, &lang_tag_len , &loc_range , &loc_range_len ,
&boolCanonical) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_filter_matches: unable to parse input params", 0 TSRMLS_CC );
RETURN_FALSE;
}
if(loc_range_len == 0) {
loc_range = INTL_G(default_locale);
}
if( strcmp(loc_range,"*")==0){
RETURN_TRUE;
}
if( boolCanonical ){
//canonicalize loc_range
can_loc_range=get_icu_value_internal( loc_range , LOC_CANONICALIZE_TAG , &result , 0);
if( result ==0) {
intl_error_set( NULL, status,
"locale_filter_matches : unable to canonicalize loc_range" , 0 TSRMLS_CC );
RETURN_FALSE;
}
//canonicalize lang_tag
can_lang_tag = get_icu_value_internal( lang_tag , LOC_CANONICALIZE_TAG , &result , 0);
if( result ==0) {
intl_error_set( NULL, status,
"locale_filter_matches : unable to canonicalize lang_tag" , 0 TSRMLS_CC );
RETURN_FALSE;
}
//Convert to lower case for case-insensitive comparison
cur_lang_tag = ecalloc( 1, strlen(lang_tag ) + 1);
//Convert to lower case for case-insensitive comparison
result = strToMatch( can_lang_tag , cur_lang_tag);
if( result == 0) {
efree( cur_lang_tag );
efree( can_lang_tag );
RETURN_FALSE;
}
cur_loc_range = ecalloc( 1, strlen(loc_range ) + 1);
result = strToMatch( can_loc_range , cur_loc_range );
if( result == 0) {
efree( cur_lang_tag );
efree( can_lang_tag );
efree( cur_loc_range );
efree( can_loc_range );
RETURN_FALSE;
}
//check if prefix
token = strstr( cur_lang_tag , cur_loc_range );
if( token && (token==cur_lang_tag) ){
//check if the char. after match is SEPARATOR
chrcheck = token + (strlen(cur_loc_range));
if( isIDSeparator(*chrcheck) || isEndOfTag(*chrcheck) ){
if( cur_lang_tag){
efree( cur_lang_tag );
}
if( cur_loc_range){
efree( cur_loc_range );
}
if( can_lang_tag){
efree( can_lang_tag );
}
if( can_loc_range){
efree( can_loc_range );
}
RETURN_TRUE;
}
}
//No prefix as loc_range
if( cur_lang_tag){
efree( cur_lang_tag );
}
if( cur_loc_range){
efree( cur_loc_range );
}
if( can_lang_tag){
efree( can_lang_tag );
}
if( can_loc_range){
efree( can_loc_range );
}
RETURN_FALSE;
}//end of if isCanonical
else{
//Convert to lower case for case-insensitive comparison
cur_lang_tag = ecalloc( 1, strlen(lang_tag ) + 1);
result = strToMatch( lang_tag , cur_lang_tag);
if( result == 0) {
efree( cur_lang_tag );
RETURN_FALSE;
}
cur_loc_range = ecalloc( 1, strlen(loc_range ) + 1);
result = strToMatch( loc_range , cur_loc_range );
if( result == 0) {
efree( cur_lang_tag );
efree( cur_loc_range );
RETURN_FALSE;
}
//check if prefix
token = strstr( cur_lang_tag , cur_loc_range );
if( token && (token==cur_lang_tag) ){
//check if the char. after match is SEPARATOR
chrcheck = token + (strlen(cur_loc_range));
if( isIDSeparator(*chrcheck) || isEndOfTag(*chrcheck) ){
if( cur_lang_tag){
efree( cur_lang_tag );
}
if( cur_loc_range){
efree( cur_loc_range );
}
RETURN_TRUE;
}
}
//No prefix as loc_range
if( cur_lang_tag){
efree( cur_lang_tag );
}
if( cur_loc_range){
efree( cur_loc_range );
}
RETURN_FALSE;
}
}
/* }}} */
static void array_cleanup( char* arr[] , int arr_size)
{
int i=0;
for( i=0; i< arr_size; i++ ){
if( arr[i] ){
efree( arr[i]);
}
}
}
/* {{{
* returns the lookup result to lookup_loc_range_src_php
* internal function
*/
static char* lookup_loc_range(char* loc_range, HashTable* hash_arr , int isCanonical TSRMLS_DC)
{
int cur_arr_ind = 0;
int i = 0;
int cur_arr_len = 0;
int result = 0;
char* lang_tag = NULL;
zval** ele_value = NULL;
char* cur_arr[MAX_NO_LOOKUP_LANG_TAG] ;
char* loc_range_to_cmp = NULL;
char* cur_loc_range = NULL;
char* can_loc_range = NULL;
int saved_pos = 0;
char* return_value = NULL;
UErrorCode status = U_ZERO_ERROR;
char* empty_result = "";
//convert the array to lowercase , also replace hyphuns with the underscore and store it in cur_arr
for(zend_hash_internal_pointer_reset(hash_arr);
zend_hash_has_more_elements(hash_arr) == SUCCESS;
zend_hash_move_forward(hash_arr)) {
if (zend_hash_get_current_data(hash_arr, (void**)&ele_value) == FAILURE) {
// Should never actually fail
// since the key is known to exist.
continue;
}
if( Z_TYPE_PP(ele_value)!= IS_STRING ){
//element value is not a string
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"lookup_loc_range: array element is not a string ",
0 TSRMLS_CC );
return NULL;
} else {
if( lang_tag ){
efree( lang_tag );
}
lang_tag = estrdup(Z_STRVAL_PP(ele_value) );
if( isCanonical ==0 ){
//+1 for the terminating '\0'
cur_arr[cur_arr_ind] = ecalloc(1, strlen(lang_tag)+1 );
result = strToMatch(lang_tag, cur_arr[cur_arr_ind]) ;
}
else{
cur_arr[cur_arr_ind] = estrdup(lang_tag);
}
if( cur_arr_ind < MAX_NO_LOOKUP_LANG_TAG ){
cur_arr_ind++ ;
}
else{
break;
}
}
}//end of for
if( lang_tag ){
efree( lang_tag );
}
cur_arr_len = cur_arr_ind;
//Canonicalize array elements
if( isCanonical ==1 ){
for( i=0; i< cur_arr_ind; i++ ){
lang_tag =get_icu_value_internal( cur_arr[i] , LOC_CANONICALIZE_TAG , &result , 0);
efree( cur_arr[i] );
cur_arr[i] = ecalloc(1, strlen(lang_tag)+1 );
result = strToMatch(lang_tag, cur_arr[i]) ;
efree( lang_tag);
if( result ==0) {
intl_error_set( NULL, status,
"locale_lookup : unable to canonicalize lang_tag" , 0 TSRMLS_CC );
if( lang_tag ){
efree( lang_tag );
}
array_cleanup( cur_arr , cur_arr_len );
return NULL;
}
}
}
if( isCanonical ==1 ){
//Canonicalize the loc_range
can_loc_range =get_icu_value_internal( loc_range, LOC_CANONICALIZE_TAG , &result , 0);
if( result != 1 ){
//Error
intl_error_set( NULL, status,
"locale_lookup : unable to canonicalize loc_range" , 0 TSRMLS_CC );
if( lang_tag ){
efree( lang_tag );
}
if( can_loc_range ){
efree( can_loc_range );
}
array_cleanup( cur_arr , cur_arr_len );
return NULL;
} else {
//convert to lower and replace hyphuns
cur_loc_range = ecalloc( 1, strlen(can_loc_range) +1);
result = strToMatch(can_loc_range , cur_loc_range);
}
} else {
cur_loc_range = ecalloc( 1, strlen(loc_range) +1);
//convert to lower and replace hyphuns
result = strToMatch(loc_range , cur_loc_range);
}
//Lookup for the lang_tag match
saved_pos = strlen(cur_loc_range);
while(saved_pos!=(-1) ){
if( loc_range_to_cmp){
efree(loc_range_to_cmp);
}
loc_range_to_cmp = estrndup(cur_loc_range,saved_pos+1);
for( i=0; i< cur_arr_ind; i++ ){
if( cur_arr[i] && (strcmp(loc_range_to_cmp,cur_arr[i])==0) ){
//Match found
return_value = estrdup( cur_arr[i] );
if ( cur_loc_range ){
efree( cur_loc_range );
}
if( loc_range_to_cmp){
efree(loc_range_to_cmp);
}
if( can_loc_range ){
efree( can_loc_range );
}
array_cleanup( cur_arr , cur_arr_len );
return return_value;
}
}
saved_pos = getStrrtokenPos( cur_loc_range , saved_pos );
}
if( loc_range_to_cmp){
efree(loc_range_to_cmp);
}
if ( cur_loc_range ){
efree( cur_loc_range );
}
if( can_loc_range ){
efree( can_loc_range );
}
array_cleanup( cur_arr , cur_arr_len );
//Match not found
return empty_result;
}
/* }}} */
/* {{{ proto string Locale::lookup(array $langtag, $locale[, $default = null])
* Searchs the items in $langtag for the best match to the language
* range
*/
/* }}} */
/* {{{ proto string locale_lookup(array $langtag, $locale[, $default = null])
* Searchs the items in $langtag for the best match to the language
* range
*/
PHP_FUNCTION(locale_lookup)
{
char* fallback_loc = NULL;
int fallback_loc_len = 0;
char* loc_range = NULL;
int loc_range_len = 0;
zval* arr = NULL;
HashTable* hash_arr = NULL;
zend_bool boolCanonical = 0;
char* result =NULL;
intl_error_reset( NULL TSRMLS_CC );
// Parse parameters.
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "asb|s",
&arr,&loc_range,&loc_range_len,&boolCanonical,
&fallback_loc,&fallback_loc_len) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_lookup: unable to parse input params", 0 TSRMLS_CC );
RETURN_NULL();
}
if(loc_range_len == 0) {
loc_range = INTL_G(default_locale);
}
//MAKE_STD_ZVAL(hash_arr);
hash_arr = HASH_OF( arr );
if( !hash_arr || zend_hash_num_elements( hash_arr ) == 0 ){
RETURN_EMPTY_STRING();
}
else{
result = lookup_loc_range( loc_range ,hash_arr ,(boolCanonical?1:0) TSRMLS_CC);
if(result == NULL || result[0] == '\0') {
if( fallback_loc ) {
result = estrndup( fallback_loc , fallback_loc_len);
} else {
RETURN_EMPTY_STRING();
}
}
}
RETVAL_STRINGL( result, strlen(result), 0);
}
/* }}} */
/* {{{ proto string Locale::acceptFromHttp(string $http_accept)
* Tries to find out best available locale based on HTTP “Accept-Language” header
*/
/* }}} */
/* {{{ proto string locale_accept_from_http(string $http_accept)
* Tries to find out best available locale based on HTTP “Accept-Language” header
*/
PHP_FUNCTION(locale_accept_from_http)
{
UEnumeration *available;
char *http_accept = NULL;
int http_accept_len;
UErrorCode status = 0;
int len;
char resultLocale[INTL_MAX_LOCALE_LEN+1];
UAcceptResult outResult;
if(zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "s", &http_accept, &http_accept_len) == FAILURE)
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"locale_accept_from_http: unable to parse input parameters", 0 TSRMLS_CC );
RETURN_NULL();
}
available = ures_openAvailableLocales(NULL, &status);
INTL_CHECK_STATUS(status, "locale_accept_from_http: failed to retrieve locale list");
len = uloc_acceptLanguageFromHTTP(resultLocale, INTL_MAX_LOCALE_LEN,
&outResult, http_accept, available, &status);
uenum_close(available);
INTL_CHECK_STATUS(status, "locale_accept_from_http: failed to find acceptable locale");
if (len < 0 || outResult == ULOC_ACCEPT_FAILED) {
RETURN_FALSE;
}
RETURN_STRINGL(resultLocale, len, 1);
}
/* }}} */
/*
* 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
*can_loc_len
*/
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