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/*!A cross-platform build utility based on Lua
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @author uael
* @file compare.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "compare"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
// semver.compare("v1.0.1-beta", "1.2") > 0?
tb_int_t xm_semver_compare(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
// get the version1 string
tb_char_t const *version1_str = luaL_checkstring(lua, 1);
tb_check_return_val(version1_str, 0);
// get the version2 string
tb_char_t const *version2_str = luaL_checkstring(lua, 2);
tb_check_return_val(version2_str, 0);
// try to parse version1 string
semver_t semver1 = { 0 };
if (semver_tryn(&semver1, version1_str, tb_strlen(version1_str))) {
lua_pushnil(lua);
lua_pushfstring(lua, "unable to parse semver '%s'", version1_str);
return 2;
}
// try to parse version2 string
semver_t semver2 = { 0 };
if (semver_tryn(&semver2, version2_str, tb_strlen(version2_str))) {
lua_pushnil(lua);
lua_pushfstring(lua, "unable to parse semver '%s'", version2_str);
return 2;
}
// do compare
lua_pushinteger(lua, semver_pcmp(&semver1, &semver2));
semver_dtor(&semver1);
semver_dtor(&semver2);
return 1;
}
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