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Diffstat (limited to 'shell/source/win32/shlxthandler/util/iso8601_converter.cxx')
| -rw-r--r-- | shell/source/win32/shlxthandler/util/iso8601_converter.cxx | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/shell/source/win32/shlxthandler/util/iso8601_converter.cxx b/shell/source/win32/shlxthandler/util/iso8601_converter.cxx new file mode 100644 index 000000000..c0415deb9 --- /dev/null +++ b/shell/source/win32/shlxthandler/util/iso8601_converter.cxx @@ -0,0 +1,155 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you 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 . + */ + +#include <sal/config.h> + +#include <stdlib.h> + +#include <iso8601_converter.hxx> +#include <utilities.hxx> + +#include <sstream> +#include <iomanip> + +#include <rtl/character.hxx> + +/* Converts ISO 8601 compliant date/time + representation to the representation + conforming to the current locale +*/ +std::wstring iso8601_date_to_local_date(const std::wstring& isoDate ) +{ + ::std::wstring ws8601DateTime(isoDate); + + // Get rid of the optional milliseconds part if it exists. + // Function accepts date/time as a combined date/time string in extended ISO8601 format, + // which is yyyy-mm-ddThh:mm:ss[.mmm]. Last part is the optional "fraction of second" part, + // that's why we cut off at 19. + if (ws8601DateTime.length() > 19) + { + ws8601DateTime.erase(19, ::std::basic_string<char>::npos); + } + + if ( ws8601DateTime.length() == 19 ) + { + std::string asDateTime = WStringToString( ws8601DateTime ); + SYSTEMTIME DateTime; + DateTime.wYear = static_cast<unsigned short>(strtol( asDateTime.substr( 0, 4 ).c_str(), nullptr, 10 )); + DateTime.wMonth = static_cast<unsigned short>(strtol( asDateTime.substr( 5, 2 ).c_str(), nullptr, 10 )); + DateTime.wDayOfWeek = 0; + DateTime.wDay = static_cast<unsigned short>(strtol( asDateTime.substr( 8, 2 ).c_str(), nullptr, 10 )); + DateTime.wHour = static_cast<unsigned short>(strtol( asDateTime.substr( 11,2 ).c_str(), nullptr, 10 )); + DateTime.wMinute = static_cast<unsigned short>(strtol( asDateTime.substr( 14,2 ).c_str(), nullptr, 10 )); + DateTime.wSecond = static_cast<unsigned short>(strtol( asDateTime.substr( 17,2 ).c_str(), nullptr, 10 )); + DateTime.wMilliseconds = 0; + + //get Date info from structure + WCHAR DateBuffer[ MAX_PATH ]; + int DateSize = GetDateFormatW( + LOCALE_SYSTEM_DEFAULT, + 0, + &DateTime, + nullptr, + DateBuffer, + MAX_PATH ); + + if ( DateSize ) + ws8601DateTime.assign(DateBuffer); + else + ws8601DateTime = StringToWString( asDateTime ); + + //get Time info from structure + WCHAR TimeBuffer[ MAX_PATH ]; + + int TimeSize = GetTimeFormatW( + LOCALE_SYSTEM_DEFAULT, + 0, + &DateTime, + nullptr, + TimeBuffer, + MAX_PATH ); + + if ( TimeSize ) + { + ws8601DateTime.append(L" "); + ws8601DateTime.append(TimeBuffer); + } + else + ws8601DateTime = StringToWString( asDateTime ); + } + + return ws8601DateTime; +} + + +/* Converts ISO 8601 conform duration + representation to the representation + conforming to the current locale + + Expect format PTnHnMnS according to + ISO 8601 where n is arbitrary number + of digits +*/ + +std::wstring iso8601_duration_to_local_duration(const std::wstring& iso8601duration) +{ + std::wstring days; + std::wstring hours; + std::wstring minutes; + std::wstring seconds; + + std::wstring num; + + for (const auto& w_ch : iso8601duration) + { + if (rtl::isAsciiDigit(w_ch)) // wchar_t is unsigned under MSVC + { + num += w_ch; + } + else + { + if (w_ch == L'D' || w_ch == L'd') + days = num; + else if (w_ch == L'H' || w_ch == L'h') + hours = num; + else if (w_ch == L'M' || w_ch == L'm') + minutes = num; + else if (w_ch == L'S' || w_ch == L's') + seconds = num; + + num.clear(); + } + } + + if (days.length() > 0) + { + int h = (_wtoi(days.c_str()) * 24) + _wtoi(hours.c_str()); + wchar_t buff[10]; + _itow(h, buff, 10); + hours = buff; + } + + std::wostringstream oss; + oss << std::setw(2) << std::setfill(wchar_t('0')) << hours << L":" << + std::setw(2) << std::setfill(wchar_t('0')) << minutes << L":" << + std::setw(2) << std::setfill(wchar_t('0')) << seconds; + return oss.str(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |