зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
2.0 KiB
C++
72 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ModuleVersionInfo_h
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#define mozilla_ModuleVersionInfo_h
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#include <windows.h>
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#include "nsString.h"
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namespace mozilla {
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// Obtains basic version info from a module image's version info resource.
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class ModuleVersionInfo {
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public:
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// We favor English(US) for these fields, otherwise we take the first
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// translation provided in the version resource.
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nsString mCompanyName;
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nsString mProductName;
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nsString mLegalCopyright;
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nsString mFileDescription;
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// Represents an A.B.C.D style version number, internally stored as a uint64_t
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class VersionNumber {
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uint64_t mVersion64 = 0;
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public:
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VersionNumber() = default;
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VersionNumber(DWORD aMostSig, DWORD aLeastSig)
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: mVersion64((uint64_t)aMostSig << 32 | aLeastSig) {}
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uint16_t A() const {
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return (uint16_t)((mVersion64 & 0xffff000000000000) >> 48);
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}
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uint16_t B() const {
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return (uint16_t)((mVersion64 & 0x0000ffff00000000) >> 32);
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}
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uint16_t C() const {
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return (uint16_t)((mVersion64 & 0x00000000ffff0000) >> 16);
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}
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uint16_t D() const { return (uint16_t)(mVersion64 & 0x000000000000ffff); }
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uint64_t Version64() const { return mVersion64; }
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bool operator==(const VersionNumber& aOther) const {
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return mVersion64 == aOther.mVersion64;
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}
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nsCString ToString() const {
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nsCString ret;
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ret.AppendPrintf("%d.%d.%d.%d", (int)A(), (int)B(), (int)C(), (int)D());
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return ret;
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}
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};
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VersionNumber mFileVersion;
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VersionNumber mProductVersion;
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// Returns false if it has no version resource or has no fixed version info.
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bool GetFromImage(const nsAString& aPath);
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};
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} // namespace mozilla
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#endif // mozilla_ModuleVersionInfo_h
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