mirror of
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102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/*
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* CModVersion.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "CModVersion.h"
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VCMI_LIB_NAMESPACE_BEGIN
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CModVersion CModVersion::GameVersion()
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{
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return CModVersion(VCMI_VERSION_MAJOR, VCMI_VERSION_MINOR, VCMI_VERSION_PATCH);
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}
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CModVersion CModVersion::fromString(std::string from)
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{
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int major = Any;
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int minor = Any;
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int patch = Any;
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try
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{
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auto pointPos = from.find('.');
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major = std::stoi(from.substr(0, pointPos));
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if(pointPos != std::string::npos)
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{
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from = from.substr(pointPos + 1);
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pointPos = from.find('.');
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minor = std::stoi(from.substr(0, pointPos));
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if(pointPos != std::string::npos)
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patch = std::stoi(from.substr(pointPos + 1));
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}
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}
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catch(const std::invalid_argument &)
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{
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return CModVersion();
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}
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return CModVersion(major, minor, patch);
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}
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std::string CModVersion::toString() const
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{
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std::string res;
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if(major != Any)
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{
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res += std::to_string(major);
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if(minor != Any)
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{
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res += '.' + std::to_string(minor);
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if(patch != Any)
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res += '.' + std::to_string(patch);
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}
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}
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return res;
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}
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bool CModVersion::operator ==(const CModVersion & other) const
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{
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return major == other.major && minor == other.minor && patch == other.patch;
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}
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bool CModVersion::operator !=(const CModVersion & other) const
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{
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return major != other.major || minor != other.minor || patch != other.patch;
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}
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bool CModVersion::compatible(const CModVersion & other, bool checkMinor, bool checkPatch) const
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{
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bool doCheckMinor = checkMinor && minor != Any && other.minor != Any;
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bool doCheckPatch = checkPatch && patch != Any && other.patch != Any;
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assert(!doCheckPatch || (doCheckPatch && doCheckMinor));
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return (major == other.major &&
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(!doCheckMinor || minor >= other.minor) &&
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(!doCheckPatch || minor > other.minor || (minor == other.minor && patch >= other.patch)));
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}
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bool CModVersion::isNull() const
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{
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return major == Any;
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}
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bool operator < (const CModVersion & lesser, const CModVersion & greater)
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{
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//specific is "greater" than non-specific, that's why do not check for Any value
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if(lesser.major == greater.major)
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{
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if(lesser.minor == greater.minor)
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return lesser.patch < greater.patch;
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return lesser.minor < greater.minor;
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}
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return lesser.major < greater.major;
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}
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VCMI_LIB_NAMESPACE_END
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