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2026-02-02 04:50:13 +01:00

136 lines
3.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/util.h"
#include "ags/shared/util/version.h"
namespace AGS3 {
namespace AGS {
namespace Shared {
Version::Version()
: Major(0)
, Minor(0)
, Release(0)
, Revision(0) {
MakeString();
}
Version::Version(int32_t major, int32_t minor, int32_t release)
: Major(major)
, Minor(minor)
, Release(release)
, Revision(0) {
MakeString();
}
Version::Version(int32_t major, int32_t minor, int32_t release, int32_t revision)
: Major(major)
, Minor(minor)
, Release(release)
, Revision(revision) {
MakeString();
}
Version::Version(int32_t major, int32_t minor, int32_t release, int32_t revision, const String &special)
: Major(major)
, Minor(minor)
, Release(release)
, Revision(revision)
, Special(special) {
MakeString();
}
Version::Version(int32_t major, int32_t minor, int32_t release, int32_t revision, const String &special, const String &build_info)
: Major(major)
, Minor(minor)
, Release(release)
, Revision(revision)
, Special(special)
, BuildInfo(build_info) {
MakeString();
}
Version::Version(const String &version_string)
: Major(0)
, Minor(0)
, Release(0)
, Revision(0) {
SetFromString(version_string);
}
void Version::SetFromString(const String &version_string) {
Major = version_string.LeftSection('.').ToInt();
String second_section = version_string.Section('.', 1, 1);
Minor = second_section.ToInt();
String third_section = version_string.Section('.', 2, 2);
String fourth_section = version_string.Section('.', 3, 3);
String revision_section;
bool old_version_format = Major < 3 || fourth_section.IsEmpty();
if (old_version_format) {
if (second_section.GetLength() > 1) {
Release = Minor % 10;
Minor /= 10;
} else {
Release = 0;
}
revision_section = third_section;
} else {
Release = third_section.ToInt();
revision_section = fourth_section;
}
int revision_length = 0;
if (!revision_section.IsEmpty()) {
const char *seek_ptr = revision_section.GetCStr();
const char *end_ptr = revision_section.GetCStr() + revision_section.GetLength();
while (seek_ptr != end_ptr) {
if (!Common::isDigit(*seek_ptr)) {
break;
}
revision_length++;
seek_ptr++;
}
}
Revision = revision_section.Left(revision_length).ToInt();
// In old version format a special tag was added right after revision digits.
// In new version format a special tag is separated from revision digits with single space char.
Special = revision_section.Mid(revision_length + (old_version_format ? 0 : 1));
MakeString();
}
void Version::MakeString() {
if (Special.IsEmpty()) {
LongString.Format("%d.%d.%d.%d", Major, Minor, Release, Revision);
} else {
LongString.Format("%d.%d.%d.%d %s", Major, Minor, Release, Revision, Special.GetCStr());
}
BackwardCompatibleString.Format("%d.%02d.%d%s", Major, Minor * 10 + Release, Revision, Special.GetCStr());
ShortString.Format("%d.%d", Major, Minor);
}
} // namespace Shared
} // namespace AGS
} // namespace AGS3