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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* versionstr.cc
*
* Wed Jul 22 11:41:32 CEST 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro 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 2 of the License, or
* (at your option) any later version.
*
* Pracro 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 Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "versionstr.h"
#include "exception.h"
#include <memory.h>
#include <stdlib.h>
// Workaround - major, minor and patch are defined as macros when using _GNU_SOURCES
#ifdef major
#undef major
#endif
#ifdef minor
#undef minor
#endif
#ifdef patch
#undef patch
#endif
VersionStr::VersionStr(std::string v)
{
memset(version, 0, sizeof(version));
set(v);
}
VersionStr::VersionStr(size_t major, size_t minor, size_t patch)
{
version[0] = major;
version[1] = minor;
version[2] = patch;
}
void VersionStr::set(std::string v)
{
std::string num;
size_t idx = 0;
for(size_t i = 0; i < v.length(); i++) {
if(v[i] == '.') {
if(idx > 2) throw Exception("Version string is too long\n");
version[idx] = atoi(num.c_str());
idx++;
num = "";
} else if(v[i] >= '0' && v[i] <= '9') {
num.append(1, v[i]);
} else {
throw Exception(std::string("Version string contains illegal character: [")+v[i]+"]\n");
}
}
if(idx > 2) throw Exception("Version string is too long\n");
version[idx] = atoi(num.c_str());
}
VersionStr::operator std::string() const
{
std::string v;
char *buf;
if(patch()) asprintf(&buf, "%d.%d.%d", major(), minor(), patch());
else asprintf(&buf, "%d.%d", major(), minor());
v = buf;
free(buf);
return v;
}
void VersionStr::operator=(std::string v)
{
set(v);
}
bool VersionStr::operator<(const VersionStr &other) const
{
if(other.major() < major()) return true;
if(other.major() > major()) return false;
if(other.minor() < minor()) return true;
if(other.minor() > minor()) return false;
if(other.patch() < patch()) return true;
if(other.patch() > patch()) return false;
return false;
}
size_t VersionStr::major() const
{
return version[0];
}
size_t VersionStr::minor() const
{
return version[1];
}
size_t VersionStr::patch() const
{
return version[2];
}
#ifdef TEST_VERSIONSTR
#include <set>
#include <vector>
int main()
{
// Test normal constructor and string conversion
VersionStr v1("1.2.3");
printf("VersionStr: %s\n", ((std::string)v1).c_str());
if((std::string)v1 != "1.2.3") return 1;
// Test normal secondary constructor and numeric version number verification.
VersionStr _v1(1, 2, 3);
printf("VersionStr: %s\n", ((std::string)_v1).c_str());
if((std::string)_v1 != "1.2.3") return 1;
if(_v1.major() != 1) return 1;
if(_v1.minor() != 2) return 1;
if(_v1.patch() != 3) return 1;
// Test smaller version number and string conversion
VersionStr v2("1.2");
printf("VersionStr: %s\n", ((std::string)v2).c_str());
if((std::string)v2 != "1.2") return 1;
// Test even smaller version number and string conversion
VersionStr v3("1");
printf("VersionStr: %s\n", ((std::string)v3).c_str());
if((std::string)v3 != "1.0") return 1;
// Test too long version number (should throw an exception)
try {
VersionStr v4("1.2.3.4"); // too long
printf("VersionStr: %s\n", ((std::string)v4).c_str());
if((std::string)v4 != "1.2.3") return 1;
} catch(Exception &e) {
goto nextone;
}
return 1;
nextone:
// Test illegal character in version number (should throw an exception)
try {
VersionStr v5("1.2.a"); // illegal character
printf("VersionStr: %s\n", ((std::string)v5).c_str());
if((std::string)v5 != "1.2") return 1;
} catch(Exception &e) {
goto nextoneagain;
}
return 1;
nextoneagain:
// Test string assignment
VersionStr v6("1.0");
v6 = "1.1";
if((std::string)v6 != "1.1") return 1;
// Test sorting
std::set<VersionStr> versions;
versions.insert(VersionStr("1.0")); // These two should be the same
versions.insert(VersionStr("1.0.0"));
versions.insert(VersionStr("2.0")); // These should be sorted
versions.insert(VersionStr("1.1"));
versions.insert(VersionStr("0.1"));
versions.insert(VersionStr("1.0.1"));
versions.insert(VersionStr("1.0.3"));
versions.insert(VersionStr("1.0.2"));
std::vector<std::string> refs; // Sorting reference values.
refs.push_back("2.0");
refs.push_back("1.1");
refs.push_back("1.0.3");
refs.push_back("1.0.2");
refs.push_back("1.0.1");
refs.push_back("1.0");
refs.push_back("0.1");
std::set<VersionStr>::iterator i = versions.begin();
std::vector<std::string>::iterator j = refs.begin();
while(i != versions.end()) {
printf("%s should be %s\n", ((std::string)*i).c_str(), j->c_str());
if(((std::string)*i) != *j) return false;
i++; j++;
}
return 0;
}
#endif/*TEST_VERSIONSTR*/
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