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/****************************************************************************
** $Id: qembed.cpp,v 1.2 1997/04/17 03:20:53 jharris Exp $
**
** Utility program for embedding binary data into a C/C++ source code.
**
** Copyright (C) 1995 by Troll Tech AS. Use, modification and
** distribution is allowed without limitation, warranty, or liability
** of any kind.
**
*****************************************************************************/
#include <qstring.h>
#include <qfile.h>
#include <qlist.h>
#include <qtstream.h>
#include <qdatetm.h>
#include <ctype.h>
void embedData( const QByteArray &input, QFile *output );
QString convertFileNameToCIdentifier( const char * );
int main( int argc, char **argv )
{
if ( argc < 4 ) {
warning( "Usage:\n\t%s header source files", argv[0] );
return 1;
}
QFile source( argv[2] ), header( argv[1] );
source.open( IO_WriteOnly );
header.open( IO_WriteOnly );
QTextStream sourceStream( &source );
QTextStream headerStream( &header );
sourceStream << "#include \"" << argv[1] << "\"\n";
// Embed data for all input files
QString cname;
for ( int i=3; i<argc; i++ ) {
QFile f( argv[i] );
if ( !f.open(IO_ReadOnly) ) {
warning( "Cannot open file %s, ignoring it", argv[i] );
continue;
}
QByteArray a( f.size() );
if ( f.readBlock(a.data(), f.size()) != (int)f.size() ) {
warning( "Cannot read file %s, ignoring it", argv[i] );
f.close();
continue;
}
cname = convertFileNameToCIdentifier( argv[i] );
headerStream << "extern const unsigned int " << cname << "_len;\n";
headerStream << "extern const unsigned char " << cname <<
"_data[];\n\n";
sourceStream << "const unsigned int " << cname << "_len = " <<
f.size() << ";\n";
sourceStream << "const unsigned char " << cname << "_data[] = {";
embedData( a, &source );
sourceStream << "\n};\n\n";
f.close();
}
return 0;
}
QString convertFileNameToCIdentifier( const char *s )
{
QString r = s;
int len = r.length();
if ( len > 0 && !isalpha(r[0]) )
r[0] = '_';
for ( int i=1; i<len; i++ ) {
if ( !isalnum(r[i]) )
r[i] = '_';
}
return r;
}
void embedData( const QByteArray &input, QFile *output )
{
static char hexdigits[] = "0123456789abcdef";
QString s( 100 );
int nbytes = input.size();
char *p = s.data();
for ( int i=0; i<nbytes; i++ ) {
if ( (i%14) == 0 ) {
strcpy( p, "\n " );
output->writeBlock( s.data(), s.length() );
p = s.data();
}
int v = (int)((uchar)input[i]);
*p++ = '0';
*p++ = 'x';
*p++ = hexdigits[(v >> 4) & 15];
*p++ = hexdigits[v & 15];
if ( i < nbytes-1 )
*p++ = ',';
}
if ( p > s.data() ) {
*p = '\0';
output->writeBlock( s.data(), s.length() );
}
}
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