khanat-opennel-code/code/ryzom/tools/occ2huff/occ2huff.cpp

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2015-02-22 16:15:41 +00:00
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "nel/misc/types_nl.h"
#include "nel/misc/debug.h"
#include "nel/misc/file.h"
#include "game_share/huffman.h"
#include <string>
#include <map>
#include <fstream>
using namespace std;
using namespace NLMISC;
/**
* CStringInfos
* \author Stephane Coutelas
* \author Nevrax France
* \date 2002
*/
struct CStringInfos
{
/// string id
string Id;
/// string
string Str;
/// occurence of the string
uint32 Occurence;
/**
* Default constructor
*/
CStringInfos() : Occurence(1) { }
};
//-----------------------------------------------
// main
//
//-----------------------------------------------
sint main( sint argc, char ** argv )
{
uint currentVersion = 1;
map<string,CStringInfos> base;
if( argc < 3 )
{
printf("Create a file associating a string id with a string and its Huffman code\n\n");
printf("OCC2HUFF <string file> [<string file> ...] <occ file>\n");
return 1;
}
// open the id string association file(s)
sint i;
for( i = 1; i < argc - 1; i++ )
{
printf("Reading string association file '%s'...\n",argv[i]);
ifstream input1(argv[i], ios::in);
if( !input1.is_open() )
{
nlwarning("can't open the file %s",argv[i]);
return 1;
}
// read the tokens and create the string infos
while( !input1.eof() )
{
// read a line
string line;
getline(input1,line,'\n');
// test the line ( there must be at least 2 '"',remove comments if exist )
sint32 idx = line.find_first_of("#");
bool hasComments = false;
if( idx != -1 )
{
line = line.substr(0,idx);
hasComments = true;
}
if( line.size() == 0 )
{
continue;
}
if( line.find_first_of("\"") == -1 )
{
if( !hasComments )
{
nlwarning("Missing string value in the string '%s'",line.c_str());
return 1;
}
}
if( line.find_first_of("\"") == line.find_last_of("\"") )
{
if( !hasComments )
{
nlwarning("Missing a delimiter \" in the string '%s'",line.c_str());
return 1;
}
}
// extract string id and string
idx = line.find_first_of(" \t");
if( idx != -1 )
{
CStringInfos si;
si.Id = line.substr(0,idx);
sint32 startIdx = line.find_first_of("\"");
sint32 endIdx = line.find_last_of("\"");
si.Str = line.substr(startIdx+1,endIdx-startIdx-1);
// add string infos
map<string,CStringInfos>::iterator itStr = base.find( si.Id );
if( itStr == base.end() )
{
base.insert( make_pair(si.Id,si) );
}
else
{
nlwarning("The string %s already exists !",si.Id.c_str());
}
}
}
input1.close();
}
// open the id occurence association file
string occfilename = argv[argc-1];
printf("Reading occurence file '%s'...\n",occfilename.c_str());
ifstream input2(occfilename.c_str(), ios::in);
if( !input2.is_open() )
{
nlwarning("Can't open the file %s, set all occurences to 1",argv[argc-1]);
}
else
{
// read the tokens and update the string infos with occurences
while( !input2.eof() )
{
// read a line
string line;
getline(input2,line,'\n');
// test the line
sint32 idx = line.find_first_of("#");
if( idx != string::npos )
{
line = line.substr(0,idx);
}
if( line.size() == 0 )
{
continue;
}
char * buffer = new char[line.size()+1];
strcpy(buffer,line.c_str());
// extract string id and occurence
char * token;
string stoken;
token = strtok(buffer," \t");
if( token != NULL )
{
stoken = string( token );
map<string,CStringInfos>::iterator itStr = base.find( stoken );
if( itStr != base.end() )
{
token = strtok(NULL," \t");
(*itStr).second.Occurence = atoi( token );
if( (*itStr).second.Occurence == 0 )
{
nlwarning("The occurence of string '%s' is 0 (problem with occurence ?: '%s'), set it to 1",(*itStr).second.Str.c_str(),token);
(*itStr).second.Occurence = 1;
}
}
else
{
nlwarning("The string '%s' is in the .occ but in the txt files!",token);
}
}
delete buffer;
}
input2.close();
ofstream output2(occfilename.c_str(), ios::app);
if (output2.is_open())
{
map<string,CStringInfos>::iterator itBase;
for( itBase = base.begin(); itBase != base.end(); ++itBase )
{
if((*itBase).second.Occurence == 0)
{
output2 << (*itBase).first << " 1" <<endl;
(*itBase).second.Occurence = 1;
}
}
output2.close ();
}
}
// build the Huffman tree
printf("Building Huffman tree...\n");
CHuffman huff;
map<string,CStringInfos>::iterator itBase;
for( itBase = base.begin(); itBase != base.end(); ++itBase )
{
huff.add( (*itBase).first,(*itBase).second.Occurence );
}
huff.build();
// open the output file
string outputFileName = "chat_static.cdb";
COFile output( outputFileName );
// save id|string|occurence
printf("Writing binary file '%s'...\n",outputFileName.c_str());
output.serialVersion(currentVersion);
uint32 count = base.size();
output.serial( count );
vector<bool> code;
for( itBase = base.begin(); itBase != base.end(); ++itBase )
{
if( (*itBase).second.Occurence > 0 )
{
huff.getCode( (*itBase).first, code );
output.serial( (*itBase).second.Id );
output.serial( (*itBase).second.Str );
output.serial( (*itBase).second.Occurence );
output.serialCont( code );
}
}
// TEST
/*printf("Writing debug text file...\n");
FILE * outputTest = fopen("chat_static_base_test.log","wt");
for( itBase = base.begin(); itBase != base.end(); ++itBase )
{
fprintf(outputTest,"id: %s str: %s occ: %d\n",(*itBase).second.Id.c_str(),(*itBase).second.Str.c_str(), (*itBase).second.Occurence );
}
fclose(outputTest);*/
printf("Process complete.\n");
return 0;
}