bool convertFile(FileData & fileData, const FS_NAMESPACE::path & commonHeaderPath, std::ofstream & outStream = badOfStream, bool addHeader = true)
{
if (FS_NAMESPACE::exists(fileData.inPath))
{
// try to open the input file
std::ifstream inStream;
inStream.open(fileData.inPath.string(), std::ifstream::in | std::ifstream::binary);
if (inStream.is_open() && inStream.good())
{
if (beVerbose)
{
std::cout << "Converting input file " << fileData.inPath;
}
// try getting size of data
inStream.seekg(0, std::ios::end);
fileData.size = static_cast<uint64_t>(inStream.tellg());
inStream.seekg(0);
// check if the caller passed and output stream and use that
bool closeOutStream = false;
if (!outStream.is_open() || !outStream.good())
{
if (!fileData.outPath.empty())
{
// try opening the output stream. truncate it when it exists
outStream.open(fileData.outPath.string(), std::ofstream::out | std::ofstream::trunc);
}
else
{
std::cout << "Error: No output stream passed, but output path for \"" << fileData.inPath.filename().string() << "\" is empty! Skipping." << std::endl;
return false;
}
closeOutStream = true;
}
// now write to stream
if (outStream.is_open() && outStream.good())
{
// check if caller want to add a header
if (addHeader)
{
// add message
outStream << "// this file was auto-generated from \"" << fileData.inPath.filename().string() << "\" by res2h" << std::endl << std::endl;
// add header include
if (!commonHeaderPath.empty())
{
// common header path must be relative to destination directory
FS_NAMESPACE::path relativeHeaderPath = naiveUncomplete(commonHeaderPath, fileData.outPath);
outStream << "#include \"" << relativeHeaderPath.generic_string() << "\"" << std::endl << std::endl;
}
}
// create names for variables
fileData.dataVariableName = fileData.outPath.filename().stem().string() + "_data";
fileData.sizeVariableName = fileData.outPath.filename().stem().string() + "_size";
// add size and data variable
if (fileData.size <= UINT16_MAX)
{
outStream << "const uint16_t ";
}
else if (fileData.size <= UINT32_MAX)
{
outStream << "const uint32_t ";
}
else
{
outStream << "const uint64_t ";
}
outStream << fileData.sizeVariableName << " = " << std::dec << fileData.size << ";" << std::endl;
outStream << "const uint8_t " << fileData.dataVariableName << "[" << std::dec << fileData.size << "] = {" << std::endl;
outStream << " "; // first indent
// now add content
uint64_t breakCounter = 0;
while (!inStream.eof())
{
// read byte from source
unsigned char dataByte;
inStream.read((char *)&dataByte, 1);
// check if we have actually read something
if (inStream.gcount() != 1 || inStream.eof())
{
// we failed to read. break the read loop and close the file.
break;
}
// write to destination in hex with a width of 2 and '0' as padding
// we do not use showbase as it doesn't work with zero values
outStream << "0x" << std::setw(2) << std::setfill('0') << std::hex << (unsigned int)dataByte;
// was this the last character?
if (!inStream.eof() && fileData.size > static_cast<uint64_t>(inStream.tellg()))
{
// no. add comma.
outStream << ",";
// add break after 10 bytes and add indent again
if (++breakCounter % 10 == 0)
{
outStream << std::endl << " ";
}
}
}
// close curly braces
outStream << std::endl << "};" << std::endl << std::endl;
// close files
if (closeOutStream)
{
outStream.close();
}
inStream.close();
if (beVerbose)
{
std::cout << " - succeeded." << std::endl;
}
return true;
}
else
{
std::cout << "Error: Failed to open file \"" << fileData.outPath.string() << "\" for writing!" << std::endl;
return false;
}
}
else
{
std::cout << "Error: Failed to open file \"" << fileData.inPath.string() << "\" for reading!" << std::endl;
return false;
}
}
else
{
std::cout << "Error: File \"" << fileData.inPath.string() << "\" does not exist!" << std::endl;
}
return false;
}
int main(int argc, const char * argv[])
{
printVersion();
// check number of arguments and if all arguments can be read
if (argc < 3 || !readArguments(argc, argv))
{
printUsage();
return -1;
}
// check if the input path exist
if (!FS_NAMESPACE::exists(inFilePath))
{
std::cout << "Error: Invalid input file/directory \"" << inFilePath.string() << "\"!" << std::endl;
return -2;
}
if (createBinary)
{
// check if argument 2 is a file
if (FS_NAMESPACE::is_directory(outFilePath))
{
std::cout << "Error: Output must be a file if -b is used!" << std::endl;
return -2;
}
}
else if (appendFile)
{
// check if argument 2 is a file
if (FS_NAMESPACE::is_directory(outFilePath))
{
std::cout << "Error: Output must be a file if -a is used!" << std::endl;
return -2;
}
}
else if (FS_NAMESPACE::is_directory(inFilePath) != FS_NAMESPACE::is_directory(outFilePath))
{
// check if output directory exists
if (FS_NAMESPACE::is_directory(outFilePath) && !FS_NAMESPACE::exists(outFilePath))
{
std::cout << "Error: Invalid output directory \"" << outFilePath.string() << "\"!" << std::endl;
return -2;
}
// check if arguments 1 and 2 are both files or both directories
std::cout << "Error: Input and output file must be both either a file or a directory!" << std::endl;
return -2;
}
if (appendFile)
{
// append file a to b
if (!appendAtoB(outFilePath, inFilePath))
{
std::cout << "Error: Failed to append data to executable!" << std::endl;
return -3;
}
}
else
{
// build list of files to process
std::vector<FileData> fileList;
if (FS_NAMESPACE::is_directory(inFilePath) && FS_NAMESPACE::is_directory(inFilePath))
{
// both files are directories, build file ist
fileList = getFileDataFrom(inFilePath, outFilePath, inFilePath, useRecursion);
if (fileList.empty())
{
std::cout << "Error: No files to convert!" << std::endl;
return -3;
}
}
else
{
// just add single input/output file
FileData temp;
temp.inPath = inFilePath;
temp.outPath = outFilePath;
temp.internalName = inFilePath.filename().string(); // remove all, but the file name and extension
if (beVerbose)
{
std::cout << "Found input file " << inFilePath << std::endl;
std::cout << "Internal name will be \"" << temp.internalName << "\"" << std::endl;
std::cout << "Output path is " << temp.outPath << std::endl;
}
// get file size
try
{
temp.size = static_cast<uint64_t>(FS_NAMESPACE::file_size(inFilePath));
if (beVerbose)
{
std::cout << "Size is " << temp.size << " bytes." << std::endl;
}
}
catch (...)
{
std::cout << "Error: Failed to get size of " << inFilePath << "!" << std::endl;
temp.size = 0;
}
fileList.push_back(temp);
}
// does the user want an binary file?
if (createBinary)
{
// yes. build it.
if (!createBlob(fileList, outFilePath))
{
std::cout << "Error: Failed to convert to binary file!" << std::endl;
return -4;
}
}
else
{
// no. convert files to .c/.cpp. loop through list, converting files
for (auto fdIt = fileList.begin(); fdIt != fileList.cend(); ++fdIt)
{
if (!convertFile(*fdIt, commonHeaderFilePath))
{
std::cout << "Error: Failed to convert all files. Aborting!" << std::endl;
return -4;
}
}
// do we need to write a header file?
if (!commonHeaderFilePath.empty())
{
if (!createCommonHeader(fileList, commonHeaderFilePath, !utilitiesFilePath.empty(), useC))
{
return -5;
}
// do we need to create utilities?
if (!utilitiesFilePath.empty())
{
if (!createUtilities(fileList, utilitiesFilePath, commonHeaderFilePath, useC, combineResults))
{
return -6;
}
}
}
}
} // if (!appendFile) {
// profit!!!
std::cout << "res2h succeeded." << std::endl;
return 0;
}
bool readArguments(int argc, const char * argv[])
{
bool pastFiles = false;
for (int i = 1; i < argc; ++i)
{
// read argument from list
std::string argument = argv[i];
// check what it is
if (argument == "-a")
{
if (!commonHeaderFilePath.empty() || !utilitiesFilePath.empty())
{
std::cout << "Error: Option -a can not be combined with -h or -u!" << std::endl;
return false;
}
else if (createBinary)
{
std::cout << "Error: Option -a can not be combined with -b!" << std::endl;
return false;
}
else if (combineResults)
{
std::cout << "Error: Option -a can not be combined with -1!" << std::endl;
return false;
}
appendFile = true;
pastFiles = true;
}
else if (argument == "-1")
{
// -u must be used for this to work. check if specified
for (int j = 1; j < argc; ++j)
{
// read argument from list
std::string argument = argv[j];
if (argument == "-u")
{
combineResults = true;
pastFiles = true;
break;
}
}
if (!combineResults)
{
// -u not specified. complain to user.
std::cout << "Error: Option -1 has to be combined with -u!" << std::endl;
return false;
}
}
else if (argument == "-b")
{
if (!commonHeaderFilePath.empty() || !utilitiesFilePath.empty())
{
std::cout << "Error: Option -b can not be combined with -h or -u!" << std::endl;
return false;
}
else if (appendFile)
{
std::cout << "Error: Option -b can not be combined with -a!" << std::endl;
return false;
}
else if (combineResults)
{
std::cout << "Warning: Creating binary archive. Option -1 ignored!" << std::endl;
return false;
}
createBinary = true;
pastFiles = true;
}
else if (argument == "-c")
{
useC = true;
pastFiles = true;
}
else if (argument == "-s")
{
useRecursion = true;
pastFiles = true;
}
else if (argument == "-v")
{
beVerbose = true;
pastFiles = true;
}
else if (argument == "-h")
{
if (createBinary)
{
std::cout << "Error: Option -h can not be combined with -b!" << std::endl;
return false;
}
else if (appendFile)
{
std::cout << "Error: Option -h can not be combined with -a!" << std::endl;
return false;
}
// try getting next argument as header file name
i++;
if (i < argc && argv[i] != nullptr)
{
if (!makeCanonical(commonHeaderFilePath, FS_NAMESPACE::path(argv[i])))
{
return false;
}
}
else
{
std::cout << "Error: Option -h specified, but no file name found!" << std::endl;
return false;
}
pastFiles = true;
}
else if (argument == "-u")
{
if (createBinary)
{
std::cout << "Error: Option -u can not be combined with -b!" << std::endl;
return false;
}
else if (appendFile)
{
std::cout << "Error: Option -u can not be combined with -a!" << std::endl;
return false;
}
// try getting next argument as utility file name
i++;
if (i < argc && argv[i] != nullptr)
{
if (!makeCanonical(utilitiesFilePath, FS_NAMESPACE::path(argv[i])))
{
return false;
}
}
else
{
std::cout << "Error: Option -u specified, but no file name found!" << std::endl;
return false;
}
if (!utilitiesFilePath.empty() && commonHeaderFilePath.empty())
{
std::cout << "Warning: -u does not make much sense without -h..." << std::endl;
}
pastFiles = true;
}
// none of the options was matched until here...
else if (!pastFiles)
{
// if no files/directories have been found yet this is probably a file/directory
if (inFilePath.empty())
{
if (!makeCanonical(inFilePath, FS_NAMESPACE::path(argument)))
{
return false;
}
}
else if (outFilePath.empty())
{
if (!makeCanonical(outFilePath, FS_NAMESPACE::path(argument)))
{
return false;
}
pastFiles = true;
}
}
else
{
std::cout << "Error: Unknown argument \"" << argument << "\"!" << std::endl;
return false;
}
}
return true;
}
