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#ifndef __ASF_Support_hpp__
#define __ASF_Support_hpp__ 1
// =================================================================================================
// ADOBE SYSTEMS INCORPORATED
// Copyright 2006 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.
// =================================================================================================
#include "XMP_Environment.h" // ! This must be the first include.
#include "XMPFiles_Impl.hpp"
#include "Reconcile_Impl.hpp"
// currently exclude LicenseURL from reconciliation
#define Exclude_LicenseURL_Recon 1
#define EXCLUDE_LICENSEURL_RECON 1
// Defines for platforms other than Win
#if ! XMP_WinBuild
typedef struct _GUID
{
XMP_Uns32 Data1;
XMP_Uns16 Data2;
XMP_Uns16 Data3;
XMP_Uns8 Data4[8];
} GUID;
int IsEqualGUID ( const GUID& guid1, const GUID& guid2 );
static const GUID GUID_NULL = { 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
#endif
// header object
static const GUID ASF_Header_Object = { MakeUns32LE(0x75b22630), MakeUns16LE(0x668e), MakeUns16LE(0x11cf), { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c } };
// contains ...
static const GUID ASF_File_Properties_Object = { MakeUns32LE(0x8cabdca1), MakeUns16LE(0xa947), MakeUns16LE(0x11cf), { 0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65 } };
static const GUID ASF_Content_Description_Object = { MakeUns32LE(0x75b22633), MakeUns16LE(0x668e), MakeUns16LE(0x11cf), { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c } };
static const GUID ASF_Content_Branding_Object = { MakeUns32LE(0x2211b3fa), MakeUns16LE(0xbd23), MakeUns16LE(0x11d2), { 0xb4, 0xb7, 0x00, 0xa0, 0xc9, 0x55, 0xfc, 0x6e } };
static const GUID ASF_Content_Encryption_Object = { MakeUns32LE(0x2211b3fb), MakeUns16LE(0xbd23), MakeUns16LE(0x11d2), { 0xb4, 0xb7, 0x00, 0xa0, 0xc9, 0x55, 0xfc, 0x6e } };
// padding
// Remark: regarding to Microsofts spec only the ASF_Header_Object contains a ASF_Padding_Object
// Real world files show, that the ASF_Header_Extension_Object contains a ASF_Padding_Object
static const GUID ASF_Header_Extension_Object = { MakeUns32LE(0x5fbf03b5), MakeUns16LE(0xa92e), MakeUns16LE(0x11cf), { 0x8e, 0xe3, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65 } };
static const GUID ASF_Padding_Object = { MakeUns32LE(0x1806d474), MakeUns16LE(0xcadf), MakeUns16LE(0x4509), { 0xa4, 0xba, 0x9a, 0xab, 0xcb, 0x96, 0xaa, 0xe8 } };
// data object
static const GUID ASF_Data_Object = { MakeUns32LE(0x75b22636), MakeUns16LE(0x668e), MakeUns16LE(0x11cf), { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c } };
// XMP object
static const GUID ASF_XMP_Metadata = { MakeUns32LE(0xbe7acfcb), MakeUns16LE(0x97a9), MakeUns16LE(0x42e8), { 0x9c, 0x71, 0x99, 0x94, 0x91, 0xe3, 0xaf, 0xac } };
static const int guidLen = sizeof(GUID);
typedef struct _ASF_ObjectBase
{
GUID guid;
XMP_Uns64 size;
} ASF_ObjectBase;
static const int kASF_ObjectBaseLen = sizeof(ASF_ObjectBase);
// =================================================================================================
class ASF_LegacyManager {
public:
enum objectType {
objectFileProperties = 1 << 0,
objectContentDescription = 1 << 1,
objectContentBranding = 1 << 2,
objectContentEncryption = 1 << 3
};
enum minObjectSize {
sizeContentDescription = 34,
sizeContentBranding = 40,
sizeContentEncryption = 40
};
enum fieldType {
// File_Properties_Object
fieldCreationDate = 0,
// Content_Description_Object
fieldTitle,
fieldAuthor,
fieldCopyright,
fieldDescription,
// Content_Branding_Object
fieldCopyrightURL,
#if ! Exclude_LicenseURL_Recon
// Content_Encryption_Object
fieldLicenseURL,
#endif
// last
fieldLast
};
ASF_LegacyManager();
virtual ~ASF_LegacyManager();
bool SetField ( fieldType field, const std::string& value );
std::string GetField ( fieldType field );
unsigned int GetFieldMaxSize ( fieldType field );
void SetObjectExists ( objectType object );
void SetBroadcast ( const bool broadcast );
bool GetBroadcast();
void ComputeDigest();
bool CheckDigest ( const SXMPMeta& xmp );
void SetDigest ( SXMPMeta* xmp );
void ImportLegacy ( SXMPMeta* xmp );
int ExportLegacy ( const SXMPMeta& xmp );
bool hasLegacyChanged();
XMP_Int64 getLegacyDiff();
int changedObjects();
void SetPadding ( XMP_Int64 padding );
XMP_Int64 GetPadding();
private:
typedef std::vector<std::string> TFields;
TFields fields;
bool broadcastSet;
std::string digestStr;
bool digestComputed;
bool imported;
int objectsExisting;
int objectsToExport;
XMP_Int64 legacyDiff;
XMP_Int64 padding;
static std::string NormalizeStringDisplayASCII ( std::string& operand );
static std::string NormalizeStringTrailingNull ( std::string& operand );
static void ConvertMSDateToISODate ( std::string& source, std::string* dest );
static void ConvertISODateToMSDate ( std::string& source, std::string* dest );
static int DaysInMonth ( XMP_Int32 year, XMP_Int32 month );
static bool IsLeapYear ( long year );
}; // class ASF_LegacyManager
// =================================================================================================
class ASF_Support {
public:
class ObjectData {
public:
ObjectData() : pos(0), len(0), guid(GUID_NULL), xmp(false) {}
virtual ~ObjectData() {}
XMP_Uns64 pos; // file offset of object
XMP_Uns64 len; // length of object data
GUID guid; // object GUID
bool xmp; // object with XMP ?
};
typedef std::vector<ObjectData> ObjectVector;
typedef ObjectVector::iterator ObjectIterator;
class ObjectState {
public:
ObjectState() : xmpPos(0), xmpLen(0), xmpIsLastObject(false), broadcast(false) {}
virtual ~ObjectState() {}
XMP_Uns64 xmpPos;
XMP_Uns64 xmpLen;
bool xmpIsLastObject;
bool broadcast;
ObjectData xmpObject;
ObjectVector objects;
};
ASF_Support();
ASF_Support ( ASF_LegacyManager* legacyManager );
virtual ~ASF_Support();
long OpenASF ( LFA_FileRef fileRef, ObjectState & inOutObjectState );
bool ReadObject ( LFA_FileRef fileRef, ObjectState & inOutObjectState, XMP_Uns64 * objectLength, XMP_Uns64 & inOutPosition );
bool ReadHeaderObject ( LFA_FileRef fileRef, ObjectState& inOutObjectState, const ObjectData& newObject );
bool WriteHeaderObject ( LFA_FileRef sourceRef, LFA_FileRef destRef, const ObjectData& object, ASF_LegacyManager& legacyManager, bool usePadding );
bool UpdateHeaderObject ( LFA_FileRef fileRef, const ObjectData& object, ASF_LegacyManager& legacyManager );
bool UpdateFileSize ( LFA_FileRef fileRef );
bool ReadHeaderExtensionObject ( LFA_FileRef fileRef, ObjectState& inOutObjectState, const XMP_Uns64& pos, const ASF_ObjectBase& objectBase );
static bool WriteHeaderExtensionObject ( const std::string& buffer, std::string* header, const ASF_ObjectBase& objectBase, const int reservePadding );
static bool CreatePaddingObject ( std::string* header, const XMP_Uns64 size );
static bool WriteXMPObject ( LFA_FileRef fileRef, XMP_Uns32 len, const char* inBuffer );
static bool UpdateXMPObject ( LFA_FileRef fileRef, const ObjectData& object, XMP_Uns32 len, const char * inBuffer );
static bool CopyObject ( LFA_FileRef sourceRef, LFA_FileRef destRef, const ObjectData& object );
static bool ReadBuffer ( LFA_FileRef fileRef, XMP_Uns64 & pos, XMP_Uns64 len, char * outBuffer );
static bool WriteBuffer ( LFA_FileRef fileRef, XMP_Uns64 & pos, XMP_Uns32 len, const char * inBuffer );
private:
ASF_LegacyManager* legacyManager;
XMP_Uns64 posFileSizeInfo;
static std::string ReplaceString ( std::string& operand, std::string& str, int offset, int count );
}; // class ASF_Support
// =================================================================================================
#endif // __ASF_Support_hpp__
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