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// =================================================================================================
// Copyright 2002 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms
// of the Adobe license agreement accompanying it.
// =================================================================================================
/**
* Scans a data file to find all embedded XMP Packets, without using the smart handlers. If a packet is found,
* serializes the XMP and writes it to log file.
*/
#include <string>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdexcept>
#include <errno.h>
#include <cstring>
#if XMP_WinBuild
#pragma warning ( disable : 4127 ) // conditional expression is constant
#pragma warning ( disable : 4996 ) // '...' was declared deprecated
#endif
#define TXMP_STRING_TYPE std::string
#include "XMP.hpp"
#include "XMP.incl_cpp"
#include "XMPScanner.hpp"
using namespace std;
// =================================================================================================
static XMP_Status DumpCallback ( void * refCon, XMP_StringPtr outStr, XMP_StringLen outLen )
{
XMP_Status status = 0;
size_t count;
FILE * outFile = static_cast < FILE * > ( refCon );
count = fwrite ( outStr, 1, outLen, outFile );
if ( count != outLen ) status = errno;
return status;
} // DumpCallback
// =================================================================================================
static void
ProcessPacket ( const char * fileName,
FILE * inFile,
size_t offset,
size_t length )
{
std::string xmlString;
xmlString.append ( length, ' ' );
fseek ( inFile, offset, SEEK_SET );
fread ( (void*)xmlString.data(), 1, length, inFile );
char title [1000];
sprintf ( title, "// Dumping raw input for \"%s\" (%d..%d)", fileName, offset, (offset + length - 1) );
printf ( "// " );
for ( size_t i = 3; i < strlen(title); ++i ) printf ( "=" );
printf ( "\n\n%s\n\n%.*s\n\n", title, length, xmlString.c_str() );
fflush ( stdout );
SXMPMeta xmpObj;
try {
xmpObj.ParseFromBuffer ( xmlString.c_str(), length );
} catch ( ... ) {
printf ( "## Parse failed\n\n" );
return;
}
xmpObj.DumpObject ( DumpCallback, stdout );
fflush ( stdout );
string xmpString;
xmpObj.SerializeToBuffer ( &xmpString, kXMP_OmitPacketWrapper );
printf ( "\nPretty serialization, %d bytes :\n\n%s\n", xmpString.size(), xmpString.c_str() );
fflush ( stdout );
xmpObj.SerializeToBuffer ( &xmpString, (kXMP_OmitPacketWrapper | kXMP_UseCompactFormat) );
printf ( "Compact serialization, %d bytes :\n\n%s\n", xmpString.size(), xmpString.c_str() );
fflush ( stdout );
} // ProcessPacket
// =================================================================================================
static void
ProcessFile ( const char * fileName )
{
FILE * inFile;
size_t fileLen, readCount;
size_t snipCount;
char buffer [64*1024];
// ---------------------------------------------------------------------
// Use the scanner to find all of the packets then process each of them.
inFile = fopen ( fileName, "rb" );
if ( inFile == 0 ) {
printf ( "Can't open \"%s\"\n", fileName );
return;
}
fseek ( inFile, 0, SEEK_END );
fileLen = ftell ( inFile ); // ! Only handles up to 2GB files.
fseek ( inFile, 0, SEEK_SET );
XMPScanner scanner ( fileLen );
for ( size_t filePos = 0; true; filePos += readCount ) {
readCount = fread ( buffer, 1, sizeof(buffer), inFile );
if ( readCount == 0 ) break;
scanner.Scan ( buffer, filePos, readCount );
}
snipCount = scanner.GetSnipCount();
XMPScanner::SnipInfoVector snips (snipCount);
scanner.Report ( snips );
size_t packetCount = 0;
for ( size_t s = 0; s < snipCount; ++s ) {
if ( snips[s].fState == XMPScanner::eValidPacketSnip ) {
++packetCount;
ProcessPacket ( fileName, inFile, (size_t)snips[s].fOffset, (size_t)snips[s].fLength );
}
}
if ( packetCount == 0 ) printf ( " No packets found\n" );
} // ProcessFile
// =================================================================================================
extern "C" int
main ( int argc, const char * argv [] )
{
if ( ! SXMPMeta::Initialize() ) {
printf ( "## SXMPMeta::Initialize failed!\n" );
return -1;
}
if ( argc != 2 ) // 2 := command and 1 parameter
{
printf ("usage: DumpScannedXMP (filename)\n");
return 0;
}
for ( int i = 1; i < argc; ++i ) ProcessFile ( argv[i] );
SXMPMeta::Terminate();
return 0;
}
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