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/*
This file is part of Advanced Strategic Command; http://www.asc-hq.de
Copyright (C) 1994-2010 Martin Bickel and Marc Schellenberger
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 2 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; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#include "versionidentifier.h"
#include <boost/regex.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/classification.hpp>
#include "errors.h"
#include "basestrm.h"
VersionIdentifier::VersionIdentifier()
{
}
VersionIdentifier :: VersionIdentifier( const ASCString& version )
{
fromString( version );
}
bool VersionIdentifier :: empty()
{
return versions.empty();
}
ASCString VersionIdentifier :: toString() const
{
ASCString s;
for ( int i = 0; i < versions.size(); ++i ) {
if ( i >= 1 )
s += ".";
s += ASCString::toString( versions[i] );
}
return s;
}
void VersionIdentifier :: fromString( const ASCString& v )
{
versions.clear();
boost::regex versionformat( "\\s*(\\d+)(\\.\\d+)*\\s*");
boost::smatch what;
if( !boost::regex_match( v, what, versionformat))
throw ASCmsgException( v + " is not a valid version identifier");
typedef std::vector< ASCString > Split_vector_type;
Split_vector_type splitVector;
split( splitVector, v, boost::is_any_of(".") );
for ( vector<ASCString>::const_iterator i = splitVector.begin(); i != splitVector.end(); ++i ) {
int num = atoi( i->c_str() );
versions.push_back( num );
}
}
VersionIdentifier :: VersionIdentifier( const VersionIdentifier& version )
{
versions = version.versions;
}
static const int versionIdentifierStreamVersion = 1;
void VersionIdentifier :: read ( tnstream& stream )
{
int version = stream.readInt();
if ( version != versionIdentifierStreamVersion )
throw tinvalidversion ( "VersionIdentifier", versionIdentifierStreamVersion, version );
readClassContainer( versions, stream );
}
void VersionIdentifier :: write ( tnstream& stream ) const
{
stream.writeInt( versionIdentifierStreamVersion );
writeClassContainer( versions, stream );
}
bool VersionIdentifier:: trailZero( int index ) const
{
for ( int i = index; i < versions.size(); ++i )
if ( versions[i] != 0 )
return false;
return true;
}
bool VersionIdentifier::operator<= ( const VersionIdentifier& v ) const
{
int m = min ( v.versions.size(), versions.size() );
for ( int i = 0; i < m; ++i ) {
if ( versions[i] > v.versions[i] )
return false;
}
if ( versions.size() < v.versions.size() ) {
return true;
} else {
if ( trailZero( v.versions.size() ))
return true;
else
return false;
}
};
bool VersionIdentifier::operator< ( const VersionIdentifier& v ) const
{
int m = min ( v.versions.size(), versions.size() );
for ( int i = 0; i < m; ++i ) {
if ( versions[i] < v.versions[i] )
return true;
if ( versions[i] > v.versions[i] )
return false;
}
if ( versions.size() < v.versions.size() ) {
if ( v.trailZero( versions.size() ))
return false;
else
return true;
} else {
return false;
}
};
bool VersionIdentifier::operator> ( const VersionIdentifier& v ) const
{
return !operator<=(v);
}
bool VersionIdentifier::operator>= ( const VersionIdentifier& v ) const
{
return !operator<(v);
}
bool VersionIdentifier::operator== ( const VersionIdentifier& v ) const
{
int m = min ( v.versions.size(), versions.size() );
for ( int i = 0; i < m; ++i ) {
if ( versions[i] != v.versions[i] )
return false;
}
if ( versions.size() < v.versions.size() ) {
if ( v.trailZero( versions.size() ))
return true;
else
return false;
} else {
if ( trailZero( v.versions.size() ))
return true;
else
return false;
}
}
bool VersionIdentifier::operator!= ( const VersionIdentifier& v ) const
{
return !operator==(v);
};
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