utilite/resource_generator/main.cpp

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/*
*  utilite is a cross-platform library with
*  useful utilities for fast and small developing.
*  Copyright (C) 2010  Mathieu Labbe
*
*  utilite is free library: you can redistribute it and/or modify
*  it under the terms of the GNU Lesser General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  utilite 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 Lesser General Public License for more details.
*
*  You should have received a copy of the GNU Lesser General Public License
*  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "rtabmap/utilite/UtiLite.h"
 
#include <fstream>
#include <iostream>
#include <string.h>
 
void showUsage()
{
        printf("Usage:\n"
                        "uresourcegenerator.exe [option] \"file1\" \"file2\" ... \n"
                        "  Create a file named \"file\".h with string\n"
                        "  variable named \"file\" which contains the data of the file.\n"
                        "  Warning, it overwrites the target file\n"
                        "  Options:\n"
                        "     -n \"namespace\"      namespace used\n"
                        "     -p \"targetPath\"     target path where the file is created\n"
                        "     -v                    version of the UtiLite library\n");
        exit(1);
}
 
int main(int argc, char * argv[])
{
        if(argc < 2)
        {
                showUsage();
        }
        else if(argc == 2 && strcmp(argv[1], "-v") == 0)
        {
                printf("%s\n", UTILITE_VERSION);
                exit(0);
        }
 
        std::string targetDir = UDirectory::currentDir(); // By default, use the current directory
        std::string nspace; // namespace
 
        int k;
        for(k=1; k<(argc-1); ++k)
        {
                if(strcmp(argv[k], "-n") == 0)
                {
                        if(!(k+1<(argc-1)))
                        {
                                showUsage();
                        }
                        nspace = argv[k+1];
                        printf(" Using namespace=%s\n", nspace.c_str());
                        ++k;
                }
                else if(strcmp(argv[k], "-p") == 0)
                {
                        if(!(k+1<(argc-1)))
                        {
                                showUsage();
                        }
                        targetDir = argv[k+1];
                        printf(" Using target directory=%s\n", targetDir.c_str());
                        ++k;
                }
                else
                {
                        break;
                }
        }
 
        while(k < argc)
        {
                std::string filePath = argv[k];
                std::string varName = UFile::getName(argv[k]);
                // replace '_'
                for(unsigned int i=0; i<varName.size(); ++i)
                {
                        if(!((varName[i] >= '0' && varName[i] <= '9') ||
                                (varName[i] >= 'A' && varName[i] <= 'Z') ||
                                (varName[i] >= 'a' && varName[i] <= 'z')))
                        {
                                varName[i] = '_';
                        }
                }
                std::string targetFileName = varName + ".h";
                // upper case
                for(unsigned int i=0; i<varName.size(); ++i)
                {
                        if(varName[i] >= 'a' && varName[i] <= 'z')
                        {
                                varName[i] -= 32; // upper case
                        }
                }
 
                std::fstream outFile;
                std::fstream inFile;
                outFile.open(((targetDir + "/") + targetFileName).c_str(), std::fstream::out);
                inFile.open(filePath.c_str(), std::fstream::in | std::fstream::binary);
 
                printf("Input file \"%s\" size = %ld bytes\n", filePath.c_str(), UFile::length(filePath));
                if(outFile.is_open() && inFile.is_open())
                {
                        outFile << "/*This is a generated file...*/\n\n";
                        outFile << "#ifndef " << varName << "_H\n";
                        outFile << "#define " << varName << "_H\n\n";
 
                        if(!nspace.empty())
                        {
                                outFile << "namespace " << nspace.c_str() << "\n{\n\n";
                        }
 
                        outFile << "static const char * " << varName.c_str() << " = ";
 
                        if(!inFile.good())
                        {
                                outFile << "\"\""; //empty string
                        }
                        else
                        {
                                std::string startLine = "\n   \"";
                                std::string endLine = "\"";
                                std::vector<char> buffer(1024);
                                while(inFile.good())
                                {
                                        inFile.read(buffer.data(), 1024);
                                        std::streamsize count = inFile.gcount();
                                        if(count)
                                        {
                                                outFile.write(startLine.c_str(), startLine.size());
 
                                                std::string hex = uBytes2Hex(buffer.data(), count);
                                                outFile.write(hex.c_str(), hex.size());
 
                                                outFile.write(endLine.c_str(), endLine.size());
                                        }
                                }
                        }
 
                        std::string endOfVar = ";\n\n";
                        outFile.write(endOfVar.c_str(), endOfVar.size());
 
                        if(!nspace.empty())
                        {
                                outFile << "}\n\n";
                        }
 
                        outFile << "#endif //" << varName << "_H\n\n";
                }
 
                outFile.close();
                inFile.close();
 
                printf("Output file \"%s\" size = %ld bytes\n", ((targetDir + "/") + targetFileName).c_str(), UFile::length(((targetDir + "/") + targetFileName).c_str()));
                ++k;
        }
 
}