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 ) { bool ok; char buffer [1000]; SXMPMeta xmpMeta; SXMPFiles xmpFile; XMP_FileFormat format; XMP_OptionBits openFlags, handlerFlags; XMP_PacketInfo xmpPacket; sprintf ( buffer, "Dumping main XMP for %s", fileName ); WriteMinorLabel ( sLogFile, buffer ); xmpFile.OpenFile ( fileName, kXMP_UnknownFile, kXMPFiles_OpenForRead ); ok = xmpFile.GetFileInfo ( 0, &openFlags, &format, &handlerFlags ); if ( ! ok ) return; fprintf ( sLogFile, "File info : format = \"%.4s\", handler flags = %.8X\n", &format, handlerFlags ); fflush ( sLogFile ); ok = xmpFile.GetXMP ( &xmpMeta, 0, &xmpPacket ); if ( ! ok ) return; XMP_Int32 offset = (XMP_Int32)xmpPacket.offset; XMP_Int32 length = xmpPacket.length; fprintf ( sLogFile, "Packet info : offset = %d, length = %d\n", offset, length ); fflush ( sLogFile ); fprintf ( sLogFile, "\nInitial XMP from %s\n", fileName ); xmpMeta.DumpObject ( DumpCallback, sLogFile ); xmpFile.CloseFile(); } // ProcessFile
/** * Initializes the toolkit and attempts to open a file for reading metadata. Initially * an attempt to open the file is done with a handler, if this fails then the file is opened with * packet scanning. Once the file is open several properties are read and displayed in the console. * The XMP object is then dumped to a text file and the resource file is closed. */ int main ( int argc, const char * argv[] ) { if ( argc != 2 ) // 2 := command and 1 parameter { cout << "usage: ReadingXMP (filename)" << endl; return 0; } string filename = string( argv[1] ); if(!SXMPMeta::Initialize()) { cout << "Could not initialize toolkit!"; return -1; } // Must initialize SXMPFiles before we use it if ( ! SXMPFiles::Initialize() ) { cout << "Could not initialize SXMPFiles."; return -1; } try { // Options to open the file with - read only and use a file handler XMP_OptionBits opts = kXMPFiles_OpenForRead | kXMPFiles_OpenUseSmartHandler; bool ok; SXMPFiles myFile; std::string status = ""; // First we try and open the file ok = myFile.OpenFile(filename, kXMP_UnknownFile, opts); if( ! ok ) { status += "No smart handler available for " + filename + "\n"; status += "Trying packet scanning.\n"; // Now try using packet scanning opts = kXMPFiles_OpenForUpdate | kXMPFiles_OpenUsePacketScanning; ok = myFile.OpenFile(filename, kXMP_UnknownFile, opts); } // If the file is open then read the metadata if(ok) { cout << status << endl; cout << filename << " is opened successfully" << endl; // Create the xmp object and get the xmp data SXMPMeta meta; myFile.GetXMP(&meta); bool exists; // Read a simple property string simpleValue; //Stores the value for the property exists = meta.GetProperty(kXMP_NS_XMP, "CreatorTool", &simpleValue, NULL); if(exists) cout << "CreatorTool = " << simpleValue << endl; else simpleValue.clear(); // Get the first element in the dc:creator array string elementValue; exists = meta.GetArrayItem(kXMP_NS_DC, "creator", 1, &elementValue, NULL); if(exists) cout << "dc:creator = " << elementValue << endl; else elementValue.clear(); // Get the the entire dc:subject array string propValue; int arrSize = meta.CountArrayItems(kXMP_NS_DC, "subject"); for(int i = 1; i <= arrSize;i++) { meta.GetArrayItem(kXMP_NS_DC, "subject", i, &propValue, 0); cout << "dc:subject[" << i << "] = " << propValue << endl; } // Get the dc:title for English and French string itemValue; string actualLang; meta.GetLocalizedText(kXMP_NS_DC, "title", "en", "en-US", NULL, &itemValue, NULL); cout << "dc:title in English = " << itemValue << endl; meta.GetLocalizedText(kXMP_NS_DC, "title", "fr", "fr-FR", NULL, &itemValue, NULL); cout << "dc:title in French = " << itemValue << endl; // Get dc:MetadataDate XMP_DateTime myDate; if(meta.GetProperty_Date(kXMP_NS_XMP, "MetadataDate", &myDate, NULL)) { // Convert the date struct into a convenient string and display it string myDateStr; SXMPUtils::ConvertFromDate(myDate, &myDateStr); cout << "meta:MetadataDate = " << myDateStr << endl; } // See if the flash struct exists and see if it was used string path, value; exists = meta.DoesStructFieldExist(kXMP_NS_EXIF, "Flash", kXMP_NS_EXIF,"Fired"); if(exists) { bool flashFired; SXMPUtils::ComposeStructFieldPath(kXMP_NS_EXIF, "Flash", kXMP_NS_EXIF, "Fired", &path); meta.GetProperty_Bool(kXMP_NS_EXIF, path.c_str(), &flashFired, NULL); string flash = (flashFired) ? "True" : "False"; cout << "Flash Used = " << flash << endl; } // Dump the current xmp object to a file ofstream dumpFile; dumpFile.open("XMPDump.txt", ios::out); meta.DumpObject(DumpXMPToFile, &dumpFile); dumpFile.close(); cout << endl << "XMP dumped to XMPDump.txt" << endl; // Close the SXMPFile. The resource file is already closed if it was // opened as read only but this call must still be made. myFile.CloseFile(); } else { cout << "Unable to open " << filename << endl; } } catch(XMP_Error & e) { cout << "ERROR: " << e.GetErrMsg() << endl; } // Terminate the toolkit SXMPFiles::Terminate(); SXMPMeta::Terminate(); return 0; }
static void DoTest ( FILE * log ) { SXMPMeta meta; size_t u8Count, u32Count; SXMPMeta meta8, meta16b, meta16l, meta32b, meta32l; std::string u8Packet, u16bPacket, u16lPacket, u32bPacket, u32lPacket; InitializeUnicodeConversions(); // --------------------------------------------------------------------------------------------- fprintf ( log, "// ------------------------------------------------\n" ); fprintf ( log, "// Test basic serialization and parsing using ASCII\n\n" ); // ---------------------------------------------------- // Create basic ASCII packets in each of the encodings. meta.ParseFromBuffer ( kSimpleRDF, kXMP_UseNullTermination ); meta.SerializeToBuffer ( &u8Packet, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF8) ); meta.SerializeToBuffer ( &u16bPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF16Big) ); meta.SerializeToBuffer ( &u16lPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF16Little) ); meta.SerializeToBuffer ( &u32bPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF32Big) ); meta.SerializeToBuffer ( &u32lPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF32Little) ); #if 0 FILE* dump; dump = fopen ( "u8Packet.txt", "w" ); fwrite ( u8Packet.c_str(), 1, u8Packet.size(), dump ); fclose ( dump ); dump = fopen ( "u16bPacket.txt", "w" ); fwrite ( u16bPacket.c_str(), 1, u16bPacket.size(), dump ); fclose ( dump ); dump = fopen ( "u16lPacket.txt", "w" ); fwrite ( u16lPacket.c_str(), 1, u16lPacket.size(), dump ); fclose ( dump ); dump = fopen ( "u32bPacket.txt", "w" ); fwrite ( u32bPacket.c_str(), 1, u32bPacket.size(), dump ); fclose ( dump ); dump = fopen ( "u32lPacket.txt", "w" ); fwrite ( u32lPacket.c_str(), 1, u32lPacket.size(), dump ); fclose ( dump ); #endif // Verify the character form. The conversion functions are tested separately. const char * ptr; ptr = u8Packet.c_str(); fprintf ( log, "UTF-8 : %d : %.2X %.2X \"%.10s...\"\n", u8Packet.size(), *ptr, *(ptr+1), ptr ); ptr = u16bPacket.c_str(); fprintf ( log, "UTF-16BE : %d : %.2X %.2X %.2X\n", u16bPacket.size(), *ptr, *(ptr+1), *(ptr+2) ); ptr = u16lPacket.c_str(); fprintf ( log, "UTF-16LE : %d : %.2X %.2X %.2X\n", u16lPacket.size(), *ptr, *(ptr+1), *(ptr+2) ); ptr = u32bPacket.c_str(); fprintf ( log, "UTF-32BE : %d : %.2X %.2X %.2X %.2X %.2X\n", u32bPacket.size(), *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4) ); ptr = u32lPacket.c_str(); fprintf ( log, "UTF-32LE : %d : %.2X %.2X %.2X %.2X %.2X\n", u32lPacket.size(), *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4) ); fprintf ( log, "\nBasic serialization tests done\n" ); // ------------------------------------------------- // Verify round trip reparsing of the basic packets. std::string origDump, rtDump; meta.DumpObject ( DumpToString, &origDump ); fprintf ( log, "Original dump\n%s\n", origDump.c_str() ); try { meta8.ParseFromBuffer ( u8Packet.c_str(), u8Packet.size() ); meta16b.ParseFromBuffer ( u16bPacket.c_str(), u16bPacket.size() ); meta16l.ParseFromBuffer ( u16lPacket.c_str(), u16lPacket.size() ); meta32b.ParseFromBuffer ( u32bPacket.c_str(), u32bPacket.size() ); meta32l.ParseFromBuffer ( u32lPacket.c_str(), u32lPacket.size() ); } catch ( XMP_Error& excep ) { PrintXMPErrorInfo ( excep, "## Caught reparsing exception" ); fprintf ( log, "\n" ); } #if 0 fprintf ( log, "After UTF-8 roundtrip\n" ); meta8.DumpObject ( DumpToFile, log ); fprintf ( log, "\nAfter UTF-16 BE roundtrip\n" ); meta16b.DumpObject ( DumpToFile, log ); fprintf ( log, "\nAfter UTF-16 LE roundtrip\n" ); meta16l.DumpObject ( DumpToFile, log ); fprintf ( log, "\nAfter UTF-32 BE roundtrip\n" ); meta32b.DumpObject ( DumpToFile, log ); fprintf ( log, "\nAfter UTF-32 LE roundtrip\n" ); meta32l.DumpObject ( DumpToFile, log ); #endif rtDump.clear(); meta8.DumpObject ( DumpToString, &rtDump ); if ( rtDump != origDump ) fprintf ( log, "#ERROR: Roundtrip failure for UTF-8\n%s\n", rtDump.c_str() ); rtDump.clear(); meta16b.DumpObject ( DumpToString, &rtDump ); if ( rtDump != origDump ) fprintf ( log, "#ERROR: Roundtrip failure for UTF-16BE\n%s\n", rtDump.c_str() ); rtDump.clear(); meta16l.DumpObject ( DumpToString, &rtDump ); if ( rtDump != origDump ) fprintf ( log, "#ERROR: Roundtrip failure for UTF-16LE\n%s\n", rtDump.c_str() ); #if IncludeUTF32 rtDump.clear(); meta32b.DumpObject ( DumpToString, &rtDump ); if ( rtDump != origDump ) fprintf ( log, "#ERROR: Roundtrip failure for UTF-32BE\n%s\n", rtDump.c_str() ); rtDump.clear(); meta32l.DumpObject ( DumpToString, &rtDump ); if ( rtDump != origDump ) fprintf ( log, "#ERROR: Roundtrip failure for UTF-32LE\n%s\n", rtDump.c_str() ); #endif fprintf ( log, "Basic round-trip parsing tests done\n\n" ); // --------------------------------------------------------------------------------------------- fprintf ( log, "// --------------------------------------------------\n" ); fprintf ( log, "// Test parse buffering logic using full Unicode data\n\n" ); // -------------------------------------------------------------------------------------------- // Construct the packets to parse in all encodings. There is just one property with a value // containing all of the Unicode representations. This isn't all of the Unicode characters, but // is more than enough to establish correctness of the buffering logic. It is almost everything // in the BMP, plus the range U+100000..U+10FFFF beyond the BMP. Doing all Unicode characters // takes far to long to execute and does not provide additional confidence. Skip ASCII controls, // they are not allowed in XML and get changed to spaces by SetProperty. Skip U+FFFE and U+FFFF, // the expat parser rejects them. #define kTab 0x09 #define kLF 0x0A #define kCR 0x0D size_t i; UTF32Unit cp; sU32[0] = kTab; sU32[1] = kLF; sU32[2] = kCR; for ( i = 3, cp = 0x20; cp < 0x7F; ++i, ++cp ) sU32[i] = cp; for ( cp = 0x80; cp < 0xD800; ++i, ++cp ) sU32[i] = cp; for ( cp = 0xE000; cp < 0xFFFE; ++i, ++cp ) sU32[i] = cp; for ( cp = 0x100000; cp < 0x110000; ++i, ++cp ) sU32[i] = cp; u32Count = i; assert ( u32Count == (3 + (0x7F-0x20) + (0xD800-0x80) + (0xFFFE - 0xE000) + (0x110000-0x100000)) ); if ( kBigEndianHost ) { UTF32BE_to_UTF8 ( sU32, u32Count, sU8, sizeof(sU8), &i, &u8Count ); } else { UTF32LE_to_UTF8 ( sU32, u32Count, sU8, sizeof(sU8), &i, &u8Count ); } if ( i != u32Count ) fprintf ( log, "#ERROR: Failed to convert full UTF-32 buffer\n" ); assert ( u8Count == (3 + (0x7F-0x20) + 2*(0x800-0x80) + 3*(0xD800-0x800) + 3*(0xFFFE - 0xE000) + 4*(0x110000-0x100000)) ); sU8[u8Count] = 0; std::string fullUnicode; SXMPUtils::RemoveProperties ( &meta, "", "", kXMPUI_DoAllProperties ); meta.SetProperty ( kNS1, "FullUnicode", XMP_StringPtr(sU8) ); meta.GetProperty ( kNS1, "FullUnicode", &fullUnicode, 0 ); if ( (fullUnicode.size() != u8Count) || (fullUnicode != XMP_StringPtr(sU8)) ) { fprintf ( log, "#ERROR: Failed to set full UTF-8 value\n" ); if ( (fullUnicode.size() != u8Count) ) { fprintf ( log, " Size mismatch, want %d, got %d\n", u8Count, fullUnicode.size() ); } else { for ( size_t b = 0; b < u8Count; ++b ) { if ( fullUnicode[b] != sU8[b] ) fprintf ( log, " Byte mismatch at %d\n", b ); } } } u8Packet.clear(); u16bPacket.clear(); u16lPacket.clear(); u32bPacket.clear(); u32lPacket.clear(); meta.SerializeToBuffer ( &u8Packet, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF8) ); meta.SerializeToBuffer ( &u16bPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF16Big) ); meta.SerializeToBuffer ( &u16lPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF16Little) ); #if IncludeUTF32 meta.SerializeToBuffer ( &u32bPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF32Big) ); meta.SerializeToBuffer ( &u32lPacket, (kXMP_OmitPacketWrapper | kXMP_EncodeUTF32Little) ); #endif // --------------------------------------------------------------------- // Parse the whole packet as a sanity check, then at a variety of sizes. FullUnicodeParse ( log, "UTF-8", u8Packet.size(), u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", u16bPacket.size(), u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", u16lPacket.size(), u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", u32bPacket.size(), u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", u32lPacket.size(), u32lPacket, fullUnicode ); #endif fprintf ( log, "Full packet, no BOM, buffered parsing tests done\n" ); #if 0 // Skip the partial buffer tests, there seem to be problems, but no client uses partial buffers. for ( i = 1; i <= 3; ++i ) { FullUnicodeParse ( log, "UTF-8", i, u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", i, u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", i, u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", i, u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", i, u32lPacket, fullUnicode ); #endif fprintf ( log, "%d byte buffers, no BOM, buffered parsing tests done\n", i ); } for ( i = 4; i <= 16; i *= 2 ) { FullUnicodeParse ( log, "UTF-8", i, u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", i, u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", i, u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", i, u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", i, u32lPacket, fullUnicode ); #endif fprintf ( log, "%d byte buffers, no BOM, buffered parsing tests done\n", i ); } #endif fprintf ( log, "\n" ); // ----------------------------------------------------------------------- // Redo the buffered parsing tests, now with a leading BOM in the packets. u8Packet.insert ( 0, "\xEF\xBB\xBF", 3 ); UTF32Unit NatBOM = 0x0000FEFF; UTF32Unit SwapBOM = 0xFFFE0000; if ( kBigEndianHost ) { u16bPacket.insert ( 0, XMP_StringPtr(&NatBOM)+2, 2 ); u16lPacket.insert ( 0, XMP_StringPtr(&SwapBOM), 2 ); u32bPacket.insert ( 0, XMP_StringPtr(&NatBOM), 4 ); u32lPacket.insert ( 0, XMP_StringPtr(&SwapBOM), 4 ); } else { u16lPacket.insert ( 0, XMP_StringPtr(&NatBOM), 2 ); u16bPacket.insert ( 0, XMP_StringPtr(&SwapBOM)+2, 2 ); u32lPacket.insert ( 0, XMP_StringPtr(&NatBOM), 4 ); u32bPacket.insert ( 0, XMP_StringPtr(&SwapBOM), 4 ); } FullUnicodeParse ( log, "UTF-8", u8Packet.size(), u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", u16bPacket.size(), u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", u16lPacket.size(), u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", u32bPacket.size(), u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", u32lPacket.size(), u32lPacket, fullUnicode ); #endif fprintf ( log, "Full packet, leading BOM, buffered parsing tests done\n" ); #if 0 // Skip the partial buffer tests, there seem to be problems, but no client uses partial buffers. for ( i = 1; i <= 3; ++i ) { FullUnicodeParse ( log, "UTF-8", i, u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", i, u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", i, u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", i, u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", i, u32lPacket, fullUnicode ); #endif fprintf ( log, "%d byte buffers, leading BOM, buffered parsing tests done\n", i ); } for ( i = 4; i <= 16; i *= 2 ) { FullUnicodeParse ( log, "UTF-8", i, u8Packet, fullUnicode ); FullUnicodeParse ( log, "UTF-16BE", i, u16bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-16LE", i, u16lPacket, fullUnicode ); #if IncludeUTF32 FullUnicodeParse ( log, "UTF-32BE", i, u32bPacket, fullUnicode ); FullUnicodeParse ( log, "UTF-32LE", i, u32lPacket, fullUnicode ); #endif fprintf ( log, "%d byte buffers, leading BOM, buffered parsing tests done\n", i ); } #endif fprintf ( log, "\n" ); } // DoTest