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DEFINITIONS
This source file includes following definitions.
- collator_convert_hash_item_from_utf8_to_utf16
- collator_convert_hash_item_from_utf16_to_utf8
- collator_convert_hash_from_utf8_to_utf16
- collator_convert_hash_from_utf16_to_utf8
- collator_convert_zstr_utf16_to_utf8
- collator_convert_zstr_utf8_to_utf16
- collator_convert_object_to_string
- collator_convert_string_to_number
- collator_convert_string_to_double
- collator_convert_string_to_number_if_possible
- collator_make_printable_zval
- collator_normalize_sort_argument
/*
+----------------------------------------------------------------------+
| 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: Vadim Savchuk <vsavchuk@productengine.com> |
| Dmitry Lakhtyuk <dlakhtyuk@productengine.com> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php_intl.h"
#include "collator_class.h"
#include "collator_is_numeric.h"
#include "collator_convert.h"
#include "intl_convert.h"
#include <unicode/ustring.h>
#include <php.h>
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION <= 1)
#define CAST_OBJECT_SHOULD_FREE ,0
#else
#define CAST_OBJECT_SHOULD_FREE
#endif
#define COLLATOR_CONVERT_RETURN_FAILED(retval) { \
zval_add_ref( &retval ); \
return retval; \
}
/* {{{ collator_convert_hash_item_from_utf8_to_utf16 */
static void collator_convert_hash_item_from_utf8_to_utf16(
HashTable* hash, int hashKeyType, char* hashKey, ulong hashIndex,
UErrorCode* status )
{
const char* old_val;
int old_val_len;
UChar* new_val = NULL;
int new_val_len = 0;
zval** hashData = NULL;
zval* znew_val = NULL;
/* Get current hash item. */
zend_hash_get_current_data( hash, (void**) &hashData );
/* Process string values only. */
if( Z_TYPE_P( *hashData ) != IS_STRING )
return;
old_val = Z_STRVAL_P( *hashData );
old_val_len = Z_STRLEN_P( *hashData );
/* Convert it from UTF-8 to UTF-16LE and save the result to new_val[_len]. */
intl_convert_utf8_to_utf16( &new_val, &new_val_len, old_val, old_val_len, status );
if( U_FAILURE( *status ) )
return;
/* Update current hash item with the converted value. */
MAKE_STD_ZVAL( znew_val );
ZVAL_STRINGL( znew_val, (char*)new_val, UBYTES(new_val_len), FALSE );
if( hashKeyType == HASH_KEY_IS_STRING )
{
zend_hash_update( hash, hashKey, strlen( hashKey ) + 1,
(void*) &znew_val, sizeof(zval*), NULL );
}
else /* hashKeyType == HASH_KEY_IS_LONG */
{
zend_hash_index_update( hash, hashIndex,
(void*) &znew_val, sizeof(zval*), NULL );
}
}
/* }}} */
/* {{{ collator_convert_hash_item_from_utf16_to_utf8 */
static void collator_convert_hash_item_from_utf16_to_utf8(
HashTable* hash, int hashKeyType, char* hashKey, ulong hashIndex,
UErrorCode* status )
{
const char* old_val;
int old_val_len;
char* new_val = NULL;
int new_val_len = 0;
zval** hashData = NULL;
zval* znew_val = NULL;
/* Get current hash item. */
zend_hash_get_current_data( hash, (void**) &hashData );
/* Process string values only. */
if( Z_TYPE_P( *hashData ) != IS_STRING )
return;
old_val = Z_STRVAL_P( *hashData );
old_val_len = Z_STRLEN_P( *hashData );
/* Convert it from UTF-16LE to UTF-8 and save the result to new_val[_len]. */
intl_convert_utf16_to_utf8( &new_val, &new_val_len,
(UChar*)old_val, UCHARS(old_val_len), status );
if( U_FAILURE( *status ) )
return;
/* Update current hash item with the converted value. */
MAKE_STD_ZVAL( znew_val );
ZVAL_STRINGL( znew_val, (char*)new_val, new_val_len, FALSE );
if( hashKeyType == HASH_KEY_IS_STRING )
{
zend_hash_update( hash, hashKey, strlen( hashKey ) + 1,
(void*) &znew_val, sizeof(zval*), NULL );
}
else /* hashKeyType == HASH_KEY_IS_LONG */
{
zend_hash_index_update( hash, hashIndex,
(void*) &znew_val, sizeof(zval*), NULL );
}
}
/* }}} */
/* {{{ collator_convert_hash_from_utf8_to_utf16
* Convert values of the given hash from UTF-8 encoding to UTF-16LE.
*/
void collator_convert_hash_from_utf8_to_utf16( HashTable* hash, UErrorCode* status )
{
ulong hashIndex = 0;
char* hashKey = NULL;
int hashKeyType = 0;
zend_hash_internal_pointer_reset( hash );
while( ( hashKeyType = zend_hash_get_current_key( hash, &hashKey, &hashIndex, 0 ) )
!= HASH_KEY_NON_EXISTANT )
{
/* Convert current hash item from UTF-8 to UTF-16LE. */
collator_convert_hash_item_from_utf8_to_utf16(
hash, hashKeyType, hashKey, hashIndex, status );
if( U_FAILURE( *status ) )
return;
/* Proceed to the next item. */
zend_hash_move_forward( hash );
}
}
/* }}} */
/* {{{ collator_convert_hash_from_utf16_to_utf8
* Convert values of the given hash from UTF-16LE encoding to UTF-8.
*/
void collator_convert_hash_from_utf16_to_utf8( HashTable* hash, UErrorCode* status )
{
ulong hashIndex = 0;
char* hashKey = NULL;
int hashKeyType = 0;
zend_hash_internal_pointer_reset( hash );
while( ( hashKeyType = zend_hash_get_current_key( hash, &hashKey, &hashIndex, 0 ) )
!= HASH_KEY_NON_EXISTANT )
{
/* Convert current hash item from UTF-16LE to UTF-8. */
collator_convert_hash_item_from_utf16_to_utf8(
hash, hashKeyType, hashKey, hashIndex, status );
if( U_FAILURE( *status ) ) {
return;
}
/* Proceed to the next item. */
zend_hash_move_forward( hash );
}
}
/* }}} */
/* {{{ collator_convert_zstr_utf16_to_utf8
*
* Convert string from utf16 to utf8.
*
* @param zval* utf16_zval String to convert.
*
* @return zval* Converted string.
*/
zval* collator_convert_zstr_utf16_to_utf8( zval* utf16_zval )
{
zval* utf8_zval = NULL;
char* str = NULL;
int str_len = 0;
UErrorCode status = U_ZERO_ERROR;
/* Convert to utf8 then. */
intl_convert_utf16_to_utf8( &str, &str_len,
(UChar*) Z_STRVAL_P(utf16_zval), UCHARS( Z_STRLEN_P(utf16_zval) ), &status );
if( U_FAILURE( status ) )
php_error( E_WARNING, "Error converting utf16 to utf8 in collator_convert_zval_utf16_to_utf8()" );
ALLOC_INIT_ZVAL( utf8_zval );
ZVAL_STRINGL( utf8_zval, str, str_len, FALSE );
return utf8_zval;
}
/* }}} */
/* {{{ collator_convert_zstr_utf8_to_utf16
*
* Convert string from utf8 to utf16.
*
* @param zval* utf8_zval String to convert.
*
* @return zval* Converted string.
*/
zval* collator_convert_zstr_utf8_to_utf16( zval* utf8_zval )
{
zval* zstr = NULL;
UChar* ustr = NULL;
int ustr_len = 0;
UErrorCode status = U_ZERO_ERROR;
/* Convert the string to UTF-16. */
intl_convert_utf8_to_utf16(
&ustr, &ustr_len,
Z_STRVAL_P( utf8_zval ), Z_STRLEN_P( utf8_zval ),
&status );
if( U_FAILURE( status ) )
php_error( E_WARNING, "Error casting object to string in collator_convert_zstr_utf8_to_utf16()" );
/* Set string. */
ALLOC_INIT_ZVAL( zstr );
ZVAL_STRINGL( zstr, (char*)ustr, UBYTES(ustr_len), FALSE );
return zstr;
}
/* }}} */
/* {{{ collator_convert_object_to_string
* Convert object to UTF16-encoded string.
*/
zval* collator_convert_object_to_string( zval* obj TSRMLS_DC )
{
zval* zstr = NULL;
UErrorCode status = U_ZERO_ERROR;
UChar* ustr = NULL;
int ustr_len = 0;
/* Bail out if it's not an object. */
if( Z_TYPE_P( obj ) != IS_OBJECT )
{
COLLATOR_CONVERT_RETURN_FAILED( obj );
}
/* Try object's handlers. */
if( Z_OBJ_HT_P(obj)->get )
{
zstr = Z_OBJ_HT_P(obj)->get( obj TSRMLS_CC );
switch( Z_TYPE_P( zstr ) )
{
case IS_OBJECT:
{
/* Bail out. */
zval_ptr_dtor( &zstr );
COLLATOR_CONVERT_RETURN_FAILED( obj );
} break;
case IS_STRING:
break;
default:
{
convert_to_string( zstr );
} break;
}
}
else if( Z_OBJ_HT_P(obj)->cast_object )
{
ALLOC_INIT_ZVAL( zstr );
if( Z_OBJ_HT_P(obj)->cast_object( obj, zstr, IS_STRING CAST_OBJECT_SHOULD_FREE TSRMLS_CC ) == FAILURE )
{
/* cast_object failed => bail out. */
zval_ptr_dtor( &zstr );
COLLATOR_CONVERT_RETURN_FAILED( obj );
}
}
/* Object wasn't successfuly converted => bail out. */
if( zstr == NULL )
{
COLLATOR_CONVERT_RETURN_FAILED( obj );
}
/* Convert the string to UTF-16. */
intl_convert_utf8_to_utf16(
&ustr, &ustr_len,
Z_STRVAL_P( zstr ), Z_STRLEN_P( zstr ),
&status );
if( U_FAILURE( status ) )
php_error( E_WARNING, "Error casting object to string in collator_convert_object_to_string()" );
/* Cleanup zstr to hold utf16 string. */
zval_dtor( zstr );
/* Set string. */
ZVAL_STRINGL( zstr, (char*)ustr, UBYTES(ustr_len), FALSE );
/* Don't free ustr cause it's set in zstr without copy.
* efree( ustr );
*/
return zstr;
}
/* }}} */
/* {{{ collator_convert_string_to_number
*
* Convert string to number.
*
* @param zval* str String to convert.
*
* @return zval* Number. If str is not numeric string return number zero.
*/
zval* collator_convert_string_to_number( zval* str )
{
zval* num = collator_convert_string_to_number_if_possible( str );
if( num == str )
{
/* String wasn't converted => return zero. */
zval_ptr_dtor( &num );
ALLOC_INIT_ZVAL( num );
ZVAL_LONG( num, 0 );
}
return num;
}
/* }}} */
/* {{{ collator_convert_string_to_double
*
* Convert string to double.
*
* @param zval* str String to convert.
*
* @return zval* Number. If str is not numeric string return number zero.
*/
zval* collator_convert_string_to_double( zval* str )
{
zval* num = collator_convert_string_to_number( str );
if( Z_TYPE_P(num) == IS_LONG )
{
ZVAL_DOUBLE( num, Z_LVAL_P( num ) );
}
return num;
}
/* }}} */
/* {{{ collator_convert_string_to_number_if_possible
*
* Convert string to numer.
*
* @param zval* str String to convert.
*
* @return zval* Number if str is numeric string. Otherwise
* original str param.
*/
zval* collator_convert_string_to_number_if_possible( zval* str )
{
zval* num = NULL;
int is_numeric = 0;
long lval = 0;
double dval = 0;
if( Z_TYPE_P( str ) != IS_STRING )
{
COLLATOR_CONVERT_RETURN_FAILED( str );
}
if( ( is_numeric = collator_is_numeric( (UChar*) Z_STRVAL_P(str), UCHARS( Z_STRLEN_P(str) ), &lval, &dval, 1 ) ) )
{
ALLOC_INIT_ZVAL( num );
if( is_numeric == IS_LONG )
Z_LVAL_P(num) = lval;
if( is_numeric == IS_DOUBLE )
Z_DVAL_P(num) = dval;
Z_TYPE_P(num) = is_numeric;
}
else
{
COLLATOR_CONVERT_RETURN_FAILED( str );
}
return num;
}
/* }}} */
/* {{{ collator_make_printable_zval
*
* Returns string from input zval.
*
* @param zval* arg zval to get string from
*
* @return zval* UTF16 string.
*/
zval* collator_make_printable_zval( zval* arg )
{
zval arg_copy;
int use_copy = 0;
zval* str = NULL;
if( Z_TYPE_P(arg) != IS_STRING )
{
zend_make_printable_zval(arg, &arg_copy, &use_copy);
if( use_copy )
{
str = collator_convert_zstr_utf8_to_utf16( &arg_copy );
zval_dtor( &arg_copy );
}
else
{
str = collator_convert_zstr_utf8_to_utf16( arg );
}
}
else
{
COLLATOR_CONVERT_RETURN_FAILED( arg );
}
return str;
}
/* }}} */
/* {{{ collator_normalize_sort_argument
*
* Normalize argument to use in sort's compare function.
*
* @param zval* arg Sort's argument to normalize.
*
* @return zval* Normalized copy of arg or unmodified arg
* if normalization is not needed.
*/
zval* collator_normalize_sort_argument( zval* arg )
{
zval* n_arg = NULL;
if( Z_TYPE_P( arg ) != IS_STRING )
{
/* If its not a string then nothing to do.
* Return original arg.
*/
COLLATOR_CONVERT_RETURN_FAILED( arg );
}
/* Try convert to number. */
n_arg = collator_convert_string_to_number_if_possible( arg );
if( n_arg == arg )
{
/* Conversion to number failed. */
zval_ptr_dtor( &n_arg );
/* Convert string to utf8. */
n_arg = collator_convert_zstr_utf16_to_utf8( arg );
}
return n_arg;
}
/* }}} */
/*
* 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
*/