/*
   +----------------------------------------------------------------------+
   | Copyright © The PHP Group and Contributors.                          |
   +----------------------------------------------------------------------+
   | This source file is subject to the Modified BSD License that is      |
   | bundled with this package in the file LICENSE, and is available      |
   | through the World Wide Web at <https://www.php.net/license/>.        |
   |                                                                      |
   | SPDX-License-Identifier: BSD-3-Clause                                |
   +----------------------------------------------------------------------+
   | Authors: Stanislav Malyshev <stas@zend.com>                          |
   +----------------------------------------------------------------------+
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <unicode/ustring.h>

extern "C" {
#include "php_intl.h"
#include "msgformat_class.h"
#include "msgformat_data.h"
#include "msgformat_helpers.h"
#include "intl_convert.h"
}

/* {{{ */
static void msgfmt_do_parse(MessageFormatter_object *mfo, char *source, size_t src_len, zval *return_value)
{
	zval *fargs;
	int count = 0;
	int i;
	UChar *usource = NULL;
	int usrc_len = 0;

	intl_convert_utf8_to_utf16(&usource, &usrc_len, source, src_len, &INTL_DATA_ERROR_CODE(mfo));
	INTL_METHOD_CHECK_STATUS(mfo, "Converting parse string failed");

	umsg_parse_helper(MSG_FORMAT_OBJECT(mfo), &count, &fargs, usource, usrc_len, &INTL_DATA_ERROR_CODE(mfo));
	if (usource) {
		efree(usource);
	}
	INTL_METHOD_CHECK_STATUS(mfo, "Parsing failed");

	array_init_size(return_value, count);
	zend_hash_real_init_packed(Z_ARRVAL_P(return_value));
	for(i=0;i<count;i++) {
		add_next_index_zval(return_value, &fargs[i]);
	}
	efree(fargs);
}
/* }}} */

/* {{{ Parse a message */
U_CFUNC PHP_FUNCTION( msgfmt_parse )
{
	char *source;
	size_t source_len;
	MSG_FORMAT_METHOD_INIT_VARS;


	/* Parse parameters. */
	if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "Os",
		&object, MessageFormatter_ce_ptr,  &source, &source_len ) == FAILURE )
	{
		RETURN_THROWS();
	}

	/* Fetch the object. */
	MSG_FORMAT_METHOD_FETCH_OBJECT;

	msgfmt_do_parse(mfo, source, source_len, return_value);
}
/* }}} */

/* {{{ Parse a message. */
U_CFUNC PHP_FUNCTION( msgfmt_parse_message )
{
	UChar      *spattern = NULL;
	int         spattern_len = 0;
	char       *pattern = NULL;
	size_t      pattern_len = 0;
	char       *slocale = NULL;
	size_t      slocale_len = 0;
	char       *source = NULL;
	size_t      src_len = 0;
	MessageFormatter_object mf;
	MessageFormatter_object *mfo = &mf;

	ZEND_PARSE_PARAMETERS_START(3, 3)
		Z_PARAM_STRING(slocale, slocale_len)
		Z_PARAM_STRING(pattern, pattern_len)
		Z_PARAM_STRING(source, src_len)
	ZEND_PARSE_PARAMETERS_END();

	INTL_CHECK_LOCALE_LEN(slocale_len);
	memset(mfo, 0, sizeof(*mfo));
	msgformat_data_init(&mfo->mf_data);

	if(pattern && pattern_len) {
		intl_convert_utf8_to_utf16(&spattern, &spattern_len, pattern, pattern_len, &INTL_DATA_ERROR_CODE(mfo));
		if( U_FAILURE(INTL_DATA_ERROR_CODE((mfo))) )
		{
			intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
				"error converting pattern to UTF-16");
			RETURN_FALSE;
		}
	} else {
		spattern_len = 0;
		spattern = NULL;
	}

	if(slocale_len == 0) {
		slocale = (char *)intl_locale_get_default();
	}

#ifdef MSG_FORMAT_QUOTE_APOS
	if(msgformat_fix_quotes(&spattern, &spattern_len, &INTL_DATA_ERROR_CODE(mfo)) != SUCCESS) {
		intl_error_set( NULL, U_INVALID_FORMAT_ERROR,
			"msgfmt_parse_message: error converting pattern to quote-friendly format", 0 );
		RETURN_FALSE;
	}
#endif

	/* Create an ICU message formatter. */
	MSG_FORMAT_OBJECT(mfo) = umsg_open(spattern, spattern_len, slocale, NULL, &INTL_DATA_ERROR_CODE(mfo));
	if(spattern && spattern_len) {
		efree(spattern);
	}
	INTL_METHOD_CHECK_STATUS_OR_GOTO(mfo, "Creating message formatter failed", clean);

	msgfmt_do_parse(mfo, source, src_len, return_value);

clean:
	/* drop the temporary formatter */
	msgformat_data_free(&mfo->mf_data);
}
/* }}} */