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Diffstat (limited to 'kpf/src/Utils.cpp')
-rw-r--r-- | kpf/src/Utils.cpp | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/kpf/src/Utils.cpp b/kpf/src/Utils.cpp new file mode 100644 index 00000000..a867a998 --- /dev/null +++ b/kpf/src/Utils.cpp @@ -0,0 +1,414 @@ +/* + KPF - Public fileserver for KDE + + Copyright 2001 Rik Hemsley (rikkus) <rik@kde.org> + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to + deal in the Software without restriction, including without limitation the + rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + sell copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <ctime> +#include <clocale> + +#include <qfile.h> +#include <qregexp.h> + +#include <klocale.h> + +#include "Defines.h" +#include "Utils.h" + +namespace KPF +{ + static bool dateInitDone = false; + + static QStringList monthList; + + static const char rfc1123Format[] = "%a, %d %b %Y %H:%M:%S GMT"; + + static time_t qDateTimeToTimeT(const QDateTime & t) + { + struct tm tempTm; + + tempTm.tm_year = t.date().year(); + tempTm.tm_mon = t.date().month(); + tempTm.tm_mday = t.date().day(); + tempTm.tm_hour = t.time().hour(); + tempTm.tm_min = t.time().minute(); + tempTm.tm_sec = t.time().second(); + tempTm.tm_isdst = -1; + + // Fix up differences between QDateTime and tm. + + tempTm.tm_year -= 1900; + + --tempTm.tm_mon; + + return ::mktime(&tempTm); + } + + QDateTime + toGMT(const QDateTime & dt) + { + time_t dtAsTimeT = qDateTimeToTimeT(dt); + + struct tm * dtAsGmTm = ::gmtime(&dtAsTimeT); + + if (0 == dtAsGmTm) + return QDateTime(); + + time_t dtAsGmTimeT = ::mktime(dtAsGmTm); + + QDateTime ret; + + ret.setTime_t(dtAsGmTimeT); + + return ret; + } + + void dateInit() + { + if (dateInitDone) + return; + + dateInitDone = true; + + monthList + << "Jan" + << "Feb" + << "Mar" + << "Apr" + << "May" + << "Jun" + << "Jul" + << "Aug" + << "Sep" + << "Oct" + << "Nov" + << "Dec" + ; + } + + QString dateString() + { + return dateString(QDateTime::currentDateTime()); + } + + + QString dateString(const QDateTime & t) + { + time_t asTimeT = qDateTimeToTimeT(t); + + struct tm * asTm = ::gmtime(&asTimeT); + + if (0 == asTm) + { + kpfDebug << "::gmtime() failed" << endl; + return QString::null; + } + + asTm->tm_isdst = -1; + + const int len = 128; + + char buf[len]; + + // Ensure we use locale "C" for strftime. + + QCString oldLC_ALL = ::strdup(::setlocale(LC_TIME, "C")); + QCString oldLC_TIME = ::strdup(::setlocale(LC_ALL, "C")); + { + ::strftime(static_cast<char *>(buf), len, rfc1123Format, asTm); + } + ::setlocale(LC_TIME, oldLC_TIME.data()); + ::setlocale(LC_ALL, oldLC_ALL.data()); + + return QString::fromUtf8(buf); + } + + bool + parseDate(const QString & s, QDateTime & dt) + { + dateInit(); + +// kpfDebug << "Parsing date `" << s << "'" << endl; + + QStringList l(QStringList::split(' ', s)); + + switch (l.count()) + { + case 4: +// kpfDebug << "Date type is RFC 850" << endl; + return parseDateRFC850(l, dt); + break; + case 5: +// kpfDebug << "Date type is asctime" << endl; + return parseDateAscTime(l, dt); + break; + case 6: +// kpfDebug << "Date type is RFC1123" << endl; + return parseDateRFC1123(l, dt); + break; + default: +// kpfDebug << "Date type is unknown" << endl; + return false; + break; + } + + return false; + } + + bool + parseDateRFC1123(const QStringList & l, QDateTime & dt) + { + if ("GMT" != l[5]) + return false; + + uint day(l[1].toUInt()); + + bool haveMonth = false; + uint month = 0; + + QStringList::ConstIterator it; + + for (it = monthList.begin(); it != monthList.end(); ++it) + { + if (*it == l[2]) + { + haveMonth = true; + break; + } + + ++month; + } + + if (!haveMonth) + return false; + + uint year(l[3].toUInt()); + + QStringList timeTokenList(QStringList::split(':', l[4])); + + if (3 != timeTokenList.count()) + return false; + + uint hours (timeTokenList[0].toUInt()); + uint minutes (timeTokenList[1].toUInt()); + uint seconds (timeTokenList[2].toUInt()); + + dt.setDate(QDate(year, month + 1, day)); + dt.setTime(QTime(hours, minutes, seconds)); + + return dt.isValid(); + } + + bool + parseDateRFC850(const QStringList & l, QDateTime & dt) + { + if ("GMT" != l[3]) + return false; + + QStringList dateTokenList(QStringList::split('-', l[1])); + + if (3 != dateTokenList.count()) + return false; + + uint day(dateTokenList[0].toUInt()); + + bool haveMonth = false; + uint month = 0; + + QStringList::ConstIterator it; + + for (it = monthList.begin(); it != monthList.end(); ++it) + { + if (*it == dateTokenList[1]) + { + haveMonth = true; + break; + } + + ++month; + } + + if (!haveMonth) + return false; + + uint year(dateTokenList[2].toUInt()); + + if (year < 50) + year += 2000; + else if (year < 100) + year += 1900; + + QStringList timeTokenList(QStringList::split(':', l[2])); + + if (3 != timeTokenList.count()) + return false; + + uint hours (timeTokenList[0].toUInt()); + uint minutes (timeTokenList[1].toUInt()); + uint seconds (timeTokenList[2].toUInt()); + + dt.setDate(QDate(year, month + 1, day)); + dt.setTime(QTime(hours, minutes, seconds)); + + return dt.isValid(); + } + + bool + parseDateAscTime(const QStringList & l, QDateTime & dt) + { + bool haveMonth = false; + uint month = 0; + + QStringList::ConstIterator it; + + for (it = monthList.begin(); it != monthList.end(); ++it) + { + if (*it == l[1]) + { + haveMonth = true; + break; + } + + ++month; + } + + if (!haveMonth) + return false; + + uint day(l[2].toUInt()); + + QStringList timeTokenList(QStringList::split(':', l[3])); + + if (3 != timeTokenList.count()) + return false; + + uint hours (timeTokenList[0].toUInt()); + uint minutes (timeTokenList[1].toUInt()); + uint seconds (timeTokenList[2].toUInt()); + + uint year(l[4].toUInt()); + + dt.setDate(QDate(year, month + 1, day)); + dt.setTime(QTime(hours, minutes, seconds)); + + return dt.isValid(); + } + + QString + translatedResponseName(uint code) + { + QString s; + + switch (code) + { + case 200: + s = i18n("OK"); + break; + case 206: + s = i18n("Partial content"); + break; + case 304: + s = i18n("Not modified"); + break; + case 400: + s = i18n("Bad request"); + break; + case 403: + s = i18n("Forbidden"); + break; + case 404: + s = i18n("Not found"); + break; + case 412: + s = i18n("Precondition failed"); + break; + case 416: + s = i18n("Bad range"); + break; + case 500: + s = i18n("Internal error"); + break; + case 501: + s = i18n("Not implemented"); + break; + case 505: + s = i18n("HTTP version not supported"); + break; + default: + s = i18n("Unknown"); + break; + } + + return s; + } + + QString + responseName(uint code) + { + QString s; + + switch (code) + { + case 200: + s = "OK"; + break; + case 206: + s = "Partial content"; + break; + case 304: + s = "Not modified"; + break; + case 400: + s = "Bad request"; + break; + case 403: + s = "Forbidden"; + break; + case 404: + s = "Not found"; + break; + case 412: + s = "Precondition failed"; + break; + case 416: + s = "Bad range"; + break; + case 500: + s = "Internal error"; + break; + case 501: + s = "Not implemented"; + break; + case 505: + s = "HTTP version not supported"; + break; + default: + s = "Unknown"; + break; + } + + return s; + } + + +} // End namespace KPF + + +// vim:ts=2:sw=2:tw=78:et |