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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "AddonVersion.h"
#include "utils/StringUtils.h"
#include "utils/log.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
namespace
{
// Add-on versions are used e.g. in file names and should
// not have too much freedom in their accepted characters
// Things that should be allowed: e.g. 0.1.0~beta3+git010cab3
// Note that all of these characters are url-safe
const std::string VALID_ADDON_VERSION_CHARACTERS =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.+_@~";
} // namespace
namespace ADDON
{
CAddonVersion::CAddonVersion(const std::string& version)
: mEpoch(0), mUpstream(version.empty() ? "0.0.0" : [&version] {
auto versionLowerCase = std::string(version);
StringUtils::ToLower(versionLowerCase);
return versionLowerCase;
}())
{
size_t pos = mUpstream.find(':');
if (pos != std::string::npos)
{
mEpoch = strtol(mUpstream.c_str(), nullptr, 10);
mUpstream.erase(0, pos + 1);
}
pos = mUpstream.find('-');
if (pos != std::string::npos)
{
mRevision = mUpstream.substr(pos + 1);
if (mRevision.find_first_not_of(VALID_ADDON_VERSION_CHARACTERS) != std::string::npos)
{
CLog::Log(LOGERROR, "AddonVersion: {} is not a valid revision number", mRevision);
mRevision = "";
}
mUpstream.erase(pos);
}
if (mUpstream.find_first_not_of(VALID_ADDON_VERSION_CHARACTERS) != std::string::npos)
{
CLog::Log(LOGERROR, "AddonVersion: {} is not a valid version", mUpstream);
mUpstream = "0.0.0";
}
}
CAddonVersion::CAddonVersion(const char* version)
: CAddonVersion(std::string(version ? version : ""))
{
}
/**Compare two components of a Debian-style version. Return -1, 0, or 1
* if a is less than, equal to, or greater than b, respectively.
*/
int CAddonVersion::CompareComponent(const char* a, const char* b)
{
while (*a && *b)
{
while (*a && *b && !isdigit(*a) && !isdigit(*b))
{
if (*a != *b)
{
if (*a == '~')
return -1;
if (*b == '~')
return 1;
return *a < *b ? -1 : 1;
}
a++;
b++;
}
if (*a && *b && (!isdigit(*a) || !isdigit(*b)))
{
if (*a == '~')
return -1;
if (*b == '~')
return 1;
return isdigit(*a) ? -1 : 1;
}
char *next_a, *next_b;
long int num_a = strtol(a, &next_a, 10);
long int num_b = strtol(b, &next_b, 10);
if (num_a != num_b)
return num_a < num_b ? -1 : 1;
a = next_a;
b = next_b;
}
if (!*a && !*b)
return 0;
if (*a)
return *a == '~' ? -1 : 1;
else
return *b == '~' ? 1 : -1;
}
bool CAddonVersion::operator<(const CAddonVersion& other) const
{
if (mEpoch != other.mEpoch)
return mEpoch < other.mEpoch;
int result = CompareComponent(mUpstream.c_str(), other.mUpstream.c_str());
if (result)
return (result < 0);
return (CompareComponent(mRevision.c_str(), other.mRevision.c_str()) < 0);
}
bool CAddonVersion::operator>(const CAddonVersion& other) const
{
return !(*this <= other);
}
bool CAddonVersion::operator==(const CAddonVersion& other) const
{
return mEpoch == other.mEpoch &&
CompareComponent(mUpstream.c_str(), other.mUpstream.c_str()) == 0 &&
CompareComponent(mRevision.c_str(), other.mRevision.c_str()) == 0;
}
bool CAddonVersion::operator!=(const CAddonVersion& other) const
{
return !(*this == other);
}
bool CAddonVersion::operator<=(const CAddonVersion& other) const
{
return *this < other || *this == other;
}
bool CAddonVersion::operator>=(const CAddonVersion& other) const
{
return !(*this < other);
}
bool CAddonVersion::empty() const
{
return mEpoch == 0 && mUpstream == "0.0.0" && mRevision.empty();
}
std::string CAddonVersion::asString() const
{
std::string out;
if (mEpoch)
out = StringUtils::Format("{}:", mEpoch);
out += mUpstream;
if (!mRevision.empty())
out += "-" + mRevision;
return out;
}
bool CAddonVersion::SplitFileName(std::string& ID,
std::string& version,
const std::string& filename)
{
size_t dpos = filename.rfind('-');
if (dpos == std::string::npos)
return false;
ID = filename.substr(0, dpos);
version = filename.substr(dpos + 1);
version = version.substr(0, version.size() - 4);
return true;
}
} // namespace ADDON
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