125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
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/*
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* Copyright (C) 2019 YY Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __X_TYPES_H
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#define __X_TYPES_H
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE
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#define __X_DEF_XOPEN
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#endif
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#include <time.h>
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#include "xstdint.h"
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#include <string>
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#include <stdexcept>
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#ifdef __X_DEF_XOPEN
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#undef _XOPEN_SOURCE
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#endif
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namespace x2struct {
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struct x_condition_t {
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typedef bool (*cond_f)(void*obj, void*doc);
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void* parent;
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cond_f cond;
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x_condition_t():parent(0),cond(0){}
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void set(void*p, cond_f c){parent=p; cond=c;}
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};
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template<typename TYPE>
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class XType:public TYPE {
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public:
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x_condition_t __x_cond;
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template<class DOC>
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void __x_to_struct(DOC& obj) {
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std::string str;
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obj.convert(NULL, str);
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this->parse(str);
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}
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template<class DOC>
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void __struct_to_str(DOC& obj, const char*key) const {
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std::string str = this->format();
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obj.convert(key, str);
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}
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/*TYPE* operator->() {
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return &_t;
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}
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private:
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TYPE _t;*/
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};
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// YYYY-MM-DD HH:MM:SS
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class _XDate {
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public:
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int64_t unix_time; // unix time
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public:
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std::string format() const {
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time_t tt = (time_t)unix_time;
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tm ttm;
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#ifndef WINDOWS
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localtime_r(&tt, &ttm);
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#else
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localtime_s(&ttm, &tt);
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#endif
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char buf[64];
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strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &ttm);
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return buf;
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}
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void parse(const std::string&str) {
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#ifndef WINDOWS
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tm ttm;
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if (0 != strptime(str.c_str(), "%Y-%m-%d %H:%M:%S", &ttm)) {
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unix_time = mktime(&ttm);
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} else {
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std::string err("invalid time string[");
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err.append(str).append("]. use format YYYY-mm-dd H:M:S. ");
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throw std::runtime_error(err);
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}
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#else
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//unix_time = 1218196800;
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// just parse. not check exception
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static int days[]={31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 32};
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struct tm ttm={0};
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sscanf(str.c_str(), "%d-%d-%d %d:%d:%d", &ttm.tm_year, &ttm.tm_mon, &ttm.tm_mday, &ttm.tm_hour, &ttm.tm_min, &ttm.tm_sec);
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ttm.tm_mon-=1; // mon[0-11]
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if (ttm.tm_mon<0 || ttm.tm_mon>11
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|| ttm.tm_mday<1 || ttm.tm_mday>days[ttm.tm_mon]
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|| ttm.tm_hour<0 || ttm.tm_hour>23
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|| ttm.tm_min<0 || ttm.tm_min>59
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|| ttm.tm_sec<0 || ttm.tm_sec>61 // leap seconds
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|| (ttm.tm_mon==1 && ttm.tm_mday==29 && (ttm.tm_year%4!=0 || ((ttm.tm_year%100==0 && ttm.tm_year%400!=0))))) {
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std::string err("invalid time string[");
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err.append(str).append("]. use format YYYY-mm-dd H:M:S. ");
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throw std::runtime_error(err);
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}
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ttm.tm_year-=1900; // since 1900
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unix_time = mktime(&ttm);
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#endif
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}
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};
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typedef XType<_XDate> XDate;
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}
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#endif
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