/ext/intl/dateformat/dateformat_parse.c
C | 199 lines | 133 code | 29 blank | 37 comment | 19 complexity | 42f4508d1dccc4726f36e1afe6b243d5 MD5 | raw file
Possible License(s): BSD-2-Clause, BSD-3-Clause, MPL-2.0-no-copyleft-exception, LGPL-2.1
- /*
- +----------------------------------------------------------------------+
- | 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: |
- | https://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 <math.h>
- #include "php_intl.h"
- #include "intl_convert.h"
- #include "dateformat.h"
- #include "dateformat_class.h"
- #include "dateformat_data.h"
- /* {{{
- * Internal function which calls the udat_parse
- * param int store_error acts like a boolean
- * if set to 1 - store any error encountered in the parameter parse_error
- * if set to 0 - no need to store any error encountered in the parameter parse_error
- */
- static void internal_parse_to_timestamp(IntlDateFormatter_object *dfo, char* text_to_parse, size_t text_len, int32_t *parse_pos, zval *return_value)
- {
- double result = 0;
- UDate timestamp =0;
- UChar* text_utf16 = NULL;
- int32_t text_utf16_len = 0;
- /* Convert timezone to UTF-16. */
- intl_convert_utf8_to_utf16(&text_utf16, &text_utf16_len, text_to_parse, text_len, &INTL_DATA_ERROR_CODE(dfo));
- INTL_METHOD_CHECK_STATUS(dfo, "Error converting timezone to UTF-16" );
- timestamp = udat_parse( DATE_FORMAT_OBJECT(dfo), text_utf16, text_utf16_len, parse_pos, &INTL_DATA_ERROR_CODE(dfo));
- if( text_utf16 ){
- efree(text_utf16);
- }
- INTL_METHOD_CHECK_STATUS( dfo, "Date parsing failed" );
- /* Since return is in sec. */
- result = (double)timestamp / U_MILLIS_PER_SECOND;
- if (result > (double)LONG_MAX || result < (double)LONG_MIN) {
- ZVAL_DOUBLE(return_value, result<0?ceil(result):floor(result));
- } else {
- ZVAL_LONG(return_value, (zend_long)result);
- }
- }
- /* }}} */
- static void add_to_localtime_arr( IntlDateFormatter_object *dfo, zval* return_value, const UCalendar *parsed_calendar, zend_long calendar_field, char* key_name)
- {
- zend_long calendar_field_val = ucal_get( parsed_calendar, calendar_field, &INTL_DATA_ERROR_CODE(dfo));
- INTL_METHOD_CHECK_STATUS( dfo, "Date parsing - localtime failed : could not get a field from calendar" );
- if( strcmp(key_name, CALENDAR_YEAR )==0 ){
- /* since tm_year is years from 1900 */
- add_assoc_long( return_value, key_name,( calendar_field_val-1900) );
- }else if( strcmp(key_name, CALENDAR_WDAY )==0 ){
- /* since tm_wday starts from 0 whereas ICU WDAY start from 1 */
- add_assoc_long( return_value, key_name,( calendar_field_val-1) );
- }else{
- add_assoc_long( return_value, key_name, calendar_field_val );
- }
- }
- /* {{{ Internal function which calls the udat_parseCalendar */
- static void internal_parse_to_localtime(IntlDateFormatter_object *dfo, char* text_to_parse, size_t text_len, int32_t *parse_pos, zval *return_value)
- {
- UCalendar *parsed_calendar = NULL;
- UChar* text_utf16 = NULL;
- int32_t text_utf16_len = 0;
- zend_long isInDST = 0;
- /* Convert timezone to UTF-16. */
- intl_convert_utf8_to_utf16(&text_utf16, &text_utf16_len, text_to_parse, text_len, &INTL_DATA_ERROR_CODE(dfo));
- INTL_METHOD_CHECK_STATUS(dfo, "Error converting timezone to UTF-16" );
- parsed_calendar = (UCalendar *)udat_getCalendar(DATE_FORMAT_OBJECT(dfo));
- udat_parseCalendar( DATE_FORMAT_OBJECT(dfo), parsed_calendar, text_utf16, text_utf16_len, parse_pos, &INTL_DATA_ERROR_CODE(dfo));
- if (text_utf16) {
- efree(text_utf16);
- }
- INTL_METHOD_CHECK_STATUS( dfo, "Date parsing failed" );
- array_init( return_value );
- /* Add entries from various fields of the obtained parsed_calendar */
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_SECOND, CALENDAR_SEC);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_MINUTE, CALENDAR_MIN);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_HOUR_OF_DAY, CALENDAR_HOUR);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_YEAR, CALENDAR_YEAR);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_DAY_OF_MONTH, CALENDAR_MDAY);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_DAY_OF_WEEK, CALENDAR_WDAY);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_DAY_OF_YEAR, CALENDAR_YDAY);
- add_to_localtime_arr( dfo, return_value, parsed_calendar, UCAL_MONTH, CALENDAR_MON);
- /* Is in DST? */
- isInDST = ucal_inDaylightTime(parsed_calendar , &INTL_DATA_ERROR_CODE(dfo));
- INTL_METHOD_CHECK_STATUS( dfo, "Date parsing - localtime failed : while checking if currently in DST." );
- add_assoc_long( return_value, CALENDAR_ISDST,isInDST==1);
- }
- /* }}} */
- /* {{{ Parse the string $value starting at parse_pos to a Unix timestamp -int */
- PHP_FUNCTION(datefmt_parse)
- {
- char* text_to_parse = NULL;
- size_t text_len =0;
- zval* z_parse_pos = NULL;
- int32_t parse_pos = -1;
- DATE_FORMAT_METHOD_INIT_VARS;
- /* Parse parameters. */
- if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "Os|z!",
- &object, IntlDateFormatter_ce_ptr, &text_to_parse, &text_len, &z_parse_pos ) == FAILURE ){
- RETURN_THROWS();
- }
- /* Fetch the object. */
- DATE_FORMAT_METHOD_FETCH_OBJECT;
- if (z_parse_pos) {
- zend_long long_parse_pos;
- ZVAL_DEREF(z_parse_pos);
- long_parse_pos = zval_get_long(z_parse_pos);
- if (ZEND_LONG_INT_OVFL(long_parse_pos)) {
- intl_error_set_code(NULL, U_ILLEGAL_ARGUMENT_ERROR);
- intl_error_set_custom_msg(NULL, "String index is out of valid range.", 0);
- RETURN_FALSE;
- }
- parse_pos = (int32_t)long_parse_pos;
- if((size_t)parse_pos > text_len) {
- RETURN_FALSE;
- }
- }
- internal_parse_to_timestamp( dfo, text_to_parse, text_len, z_parse_pos?&parse_pos:NULL, return_value);
- if(z_parse_pos) {
- zval_ptr_dtor(z_parse_pos);
- ZVAL_LONG(z_parse_pos, parse_pos);
- }
- }
- /* }}} */
- /* {{{ Parse the string $value to a localtime array */
- PHP_FUNCTION(datefmt_localtime)
- {
- char* text_to_parse = NULL;
- size_t text_len =0;
- zval* z_parse_pos = NULL;
- int32_t parse_pos = -1;
- DATE_FORMAT_METHOD_INIT_VARS;
- /* Parse parameters. */
- if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "Os|z!",
- &object, IntlDateFormatter_ce_ptr, &text_to_parse, &text_len, &z_parse_pos ) == FAILURE ){
- RETURN_THROWS();
- }
- /* Fetch the object. */
- DATE_FORMAT_METHOD_FETCH_OBJECT;
- if (z_parse_pos) {
- zend_long long_parse_pos;
- ZVAL_DEREF(z_parse_pos);
- long_parse_pos = zval_get_long(z_parse_pos);
- if (ZEND_LONG_INT_OVFL(long_parse_pos)) {
- intl_error_set_code(NULL, U_ILLEGAL_ARGUMENT_ERROR);
- intl_error_set_custom_msg(NULL, "String index is out of valid range.", 0);
- RETURN_FALSE;
- }
- parse_pos = (int32_t)long_parse_pos;
- if((size_t)parse_pos > text_len) {
- RETURN_FALSE;
- }
- }
- internal_parse_to_localtime( dfo, text_to_parse, text_len, z_parse_pos?&parse_pos:NULL, return_value);
- if (z_parse_pos) {
- zval_ptr_dtor(z_parse_pos);
- ZVAL_LONG(z_parse_pos, parse_pos);
- }
- }
- /* }}} */