зеркало из https://github.com/mozilla/gecko-dev.git
158 строки
4.2 KiB
C++
158 строки
4.2 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla XPCOM.
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*
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* The Initial Developer of the Original Code is
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* Benjamin Smedberg <benjamin@smedbergs.us>.
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*
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsVersionComparator_h__
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#define nsVersionComparator_h__
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#include "nscore.h"
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#if defined(XP_WIN) && !defined(UPDATER_NO_STRING_GLUE_STL)
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#include <wchar.h>
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#include "nsStringGlue.h"
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#endif
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namespace mozilla {
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PRInt32 NS_COM_GLUE
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CompareVersions(const char *A, const char *B);
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#ifdef XP_WIN
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PRInt32 NS_COM_GLUE
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CompareVersions(const PRUnichar *A, const PRUnichar *B);
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#endif
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struct NS_COM_GLUE Version
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{
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Version(const char* versionString)
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{
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versionContent = strdup(versionString);
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}
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const char* ReadContent() const
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{
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return versionContent;
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}
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~Version()
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{
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free(versionContent);
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}
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bool operator< (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) == -1;
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}
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bool operator<= (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) < 1;
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}
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bool operator> (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) == 1;
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}
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bool operator>= (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) > -1;
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}
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bool operator== (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) == 0;
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}
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bool operator!= (const Version& rhs) const
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{
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return CompareVersions(versionContent, rhs.ReadContent()) != 0;
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}
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private:
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char* versionContent;
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};
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#ifdef XP_WIN
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struct NS_COM_GLUE VersionW
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{
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VersionW(const PRUnichar *versionStringW)
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{
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versionContentW = wcsdup(versionStringW);
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}
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const PRUnichar* ReadContentW() const
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{
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return versionContentW;
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}
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~VersionW()
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{
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free(versionContentW);
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}
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bool operator< (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) == -1;
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}
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bool operator<= (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) < 1;
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}
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bool operator> (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) == 1;
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}
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bool operator>= (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) > -1;
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}
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bool operator== (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) == 0;
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}
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bool operator!= (const VersionW& rhs) const
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{
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return CompareVersions(versionContentW, rhs.ReadContentW()) != 0;
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}
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private:
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PRUnichar* versionContentW;
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};
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#endif
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} // namespace mozilla
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#endif // nsVersionComparator_h__
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