// =================================================================================================
// Copyright 2002-2008 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.
//
// Adobe patent application tracking #P435, entitled 'Unique markers to simplify embedding data of
// one format in a file with a different format', inventors: Sean Parent, Greg Gilley.
// =================================================================================================
#include "XMP_Environment.h" // ! This must be the first include!
#include "XMPCore_Impl.hpp"
#include <stdio.h>
#include "XMPMeta.hpp"
#include "XMPIterator.hpp"
#include "XMPUtils.hpp"
#include "XMP_Version.h"
#include "UnicodeInlines.incl_cpp"
#include "UnicodeConversions.hpp"
#include <algorithm> // For sort and stable_sort.
#if XMP_DebugBuild
#include <iostream>
#endif
using namespace std;
#if XMP_WinBuild
#ifdef _MSC_VER
#pragma warning ( disable : 4533 ) // initialization of '...' is skipped by 'goto ...'
#pragma warning ( disable : 4702 ) // unreachable code
#pragma warning ( disable : 4800 ) // forcing value to bool 'true' or 'false' (performance warning)
#pragma warning ( disable : 4996 ) // '...' was declared deprecated
#endif
#endif
// *** Use the XMP_PropIsXyz (Schema, Simple, Struct, Array, ...) macros
// *** Add debug codegen checks, e.g. that typical masking operations really work
// *** Change all uses of strcmp and strncmp to XMP_LitMatch and XMP_LitNMatch
// =================================================================================================
// Local Types and Constants
// =========================
// =================================================================================================
// Static Variables
// ================
XMP_VarString * xdefaultName = 0;
// These are embedded version strings.
const char * kXMPCore_EmbeddedVersion = kXMPCore_VersionMessage;
const char * kXMPCore_EmbeddedCopyright = kXMPCoreName " " kXMP_CopyrightStr;
// =================================================================================================
// Local Utilities
// ===============
#define IsHexDigit(ch) ( (('0' <= (ch)) && ((ch) <= '9')) || (('A' <= (ch)) && ((ch) <= 'F')) )
#define HexDigitValue(ch) ( (((ch) - '0') < 10) ? ((ch) - '0') : ((ch) - 'A' + 10) )
static const char * kTenSpaces = " ";
#define OutProcPadding(pad) { size_t padLen = (pad); \
for ( ; padLen >= 10; padLen -= 10 ) OutProcNChars ( kTenSpaces, 10 ); \
for ( ; padLen > 0; padLen -= 1 ) OutProcNChars ( " ", 1 ); }
#define OutProcNewline() { status = (*outProc) ( refCon, "\n", 1 ); if ( status != 0 ) goto EXIT; }
#define OutProcNChars(p,n) { status = (*outProc) ( refCon, (p), (n) ); if ( status != 0 ) goto EXIT; }
#define OutProcLiteral(lit) { status = (*outProc) ( refCon, (lit), strlen(lit) ); if ( status != 0 ) goto EXIT; }
#define OutProcString(str) { status = (*outProc) ( refCon, (str).c_str(), (str).size() ); if ( status != 0 ) goto EXIT; }
#define OutProcULong(num) { snprintf ( buffer, sizeof(buffer), "%lu", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */ \
status = (*outProc) ( refCon, buffer, strlen(buffer) ); if ( status != 0 ) goto EXIT; }
#ifdef __APPLE__
#define OutProcHexInt(num) { snprintf ( buffer, sizeof(buffer), "%X", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */ \
status = (*outProc) ( refCon, buffer, strlen(buffer) ); if ( status != 0 ) goto EXIT; }
#else
#define OutProcHexInt(num) { snprintf ( buffer, sizeof(buffer), "%lX", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */ \
status = (*outProc) ( refCon, buffer, strlen(buffer) ); if ( status != 0 ) goto EXIT; }
#endif
#define OutProcHexByte(num) { snprintf ( buffer, sizeof(buffer), "%.2X", (num) ); /* AUDIT: Using sizeof for snprintf length is safe */ \
status = (*outProc) ( refCon, buffer, strlen(buffer) ); if ( status != 0 ) goto EXIT; }
static const char * kIndent = " ";
#define OutProcIndent(lev) { for ( size_t i = 0; i < (lev); ++i ) OutProcNChars ( kIndent, 3 ); }
// -------------------------------------------------------------------------------------------------
// DumpClearString
// ---------------
static XMP_Status
DumpClearString ( const XMP_VarString & value, XMP_TextOutputProc outProc, void * refCon )
{
char buffer [20];
bool prevNormal;
XMP_Status status = 0;
XMP_StringPtr spanStart, spanEnd;
XMP_StringPtr valueEnd = &value[0] + value.size();
spanStart = &value[0];
while ( spanStart < valueEnd ) {
// Output the next span of regular characters.
for ( spanEnd = spanStart; spanEnd < valueEnd; ++spanEnd ) {
if ( (unsigned char)(*spanEnd) > 0x7F ) break;
if ( (*spanEnd < 0x20) && (*spanEnd != kTab) && (*spanEnd != kLF) ) break;
}
if ( spanStart != spanEnd ) status = (*outProc) ( refCon, spanStart, (spanEnd-spanStart) );
if ( status != 0 ) break;
spanStart = spanEnd;
// Output the next span of irregular characters.
prevNormal = true;
for ( spanEnd = spanStart; spanEnd < valueEnd; ++spanEnd ) {
if ( ((0x20 <= *spanEnd) && ((unsigned char)(*spanEnd) <= 0x7F)) || (*spanEnd == kTab) || (*spanEnd == kLF) ) break;
char space = ' ';
if ( prevNormal ) space = '<';
status = (*outProc) ( refCon, &space, 1 );
if ( status != 0 ) break;
OutProcHexByte ( *spanEnd );
prevNormal = false;
}
if ( ! prevNormal ) {
status = (*outProc) ( refCon, ">", 1 );
if ( status != 0 ) return status;
}
spanStart = spanEnd;
}
EXIT:
return status;
} // DumpClearString
// -------------------------------------------------------------------------------------------------
// DumpStringMap
// -------------
static XMP_Status
DumpStringMap ( const XMP_StringMap & map, XMP_StringPtr label, XMP_TextOutputProc outProc, void * refCon )
{
XMP_Status status;
XMP_cStringMapPos currPos;
XMP_cStringMapPos endPos = map.end();
size_t maxLen = 0;
for ( currPos = map.begin(); currPos != endPos; ++currPos ) {
size_t currLen = currPos->first.size();
if ( currLen > maxLen ) maxLen = currLen;
}
OutProcNewline();
OutProcLiteral ( label );
OutProcNewline();
for ( currPos = map.begin(); currPos != endPos; ++currPos ) {
OutProcNChars ( " ", 2 );
DumpClearString ( currPos->first, outProc, refCon );
OutProcPadding ( maxLen - currPos->first.size() );
OutProcNChars ( " => ", 4 );
DumpClearString ( currPos->second, outProc, refCon );
OutProcNewline();
}
EXIT:
return status;
} // DumpStringMap
// -------------------------------------------------------------------------------------------------
// DumpNodeOptions
// ---------------
static XMP_Status
DumpNodeOptions ( XMP_OptionBits options,
XMP_TextOutputProc outProc,
void * refCon )
{
XMP_Status status;
char buffer [32]; // Decimal of a 64 bit int is at most about 20 digits.
static const char * optNames[] = { " schema", // 0x8000_0000
" ?30",
" ?29",
" -COMMAS-",
" ?27", // 0x0800_0000
" ?26",
" ?25",
" ?24",
" ?23", // 0x0080_0000
" isStale",
" isDerived",
" isStable",
" ?19", // 0x0008_0000
" isInternal",
" hasAliases",
" isAlias",
" -AFTER-", // 0x0000_8000
" -BEFORE-",
" isCompact",
" isLangAlt",
" isAlt", // 0x0000_0800
" isOrdered",
" isArray",
" isStruct",
" hasType", // 0x0000_0080
" hasLang",
" isQual",
" hasQual",
" ?3", // 0x0000_0008
" ?2",
" URI",
" ?0" };
if ( options == 0 ) {
OutProcNChars ( "(0x0)", 5 );
} else {
OutProcNChars ( "(0x", 3 );
OutProcHexInt ( options );
OutProcNChars ( " :", 2 );
XMP_OptionBits mask = 0x80000000;
for ( int b = 0; b < 32; ++b ) {
if ( options & mask ) OutProcLiteral ( optNames[b] );
mask = mask >> 1;
}
OutProcNChars ( ")", 1 );
}
EXIT:
return status;
} // DumpNodeOptions
// -------------------------------------------------------------------------------------------------
// DumpPropertyTree
// ----------------
// *** Extract the validation code into a separate routine to call on exit in debug builds.
static XMP_Status
DumpPropertyTree ( const XMP_Node * currNode,
int indent,
size_t itemIndex,
XMP_TextOutputProc outProc,
void * refCon )
{
XMP_Status status;
char buffer [32]; // Decimal of a 64 bit int is at most about 20 digits.
OutProcIndent ( (size_t)indent );
if ( itemIndex == 0 ) {
if ( currNode->options & kXMP_PropIsQualifier ) OutProcNChars ( "? ", 2 );
DumpClearString ( currNode->name, outProc, refCon );
} else {
OutProcNChars ( "[", 1 );
OutProcULong ( static_cast<unsigned long>(itemIndex) );
OutProcNChars ( "]", 1 );
}
if ( ! (currNode->options & kXMP_PropCompositeMask) ) {
OutProcNChars ( " = \"", 4 );
DumpClearString ( currNode->value, outProc, refCon );
OutProcNChars ( "\"", 1 );
}
if ( currNode->options != 0 ) {
OutProcNChars ( " ", 2 );
status = DumpNodeOptions ( currNode->options, outProc, refCon );
if ( status != 0 ) goto EXIT;
}
if ( currNode->options & kXMP_PropHasLang ) {
if ( currNode->qualifiers.empty() || (currNode->qualifiers[0]->name != "xml:lang") ) {
OutProcLiteral ( " ** bad lang flag **" );
}
}
// *** Check rdf:type also.
if ( ! (currNode->options & kXMP_PropCompositeMask) ) {
if ( ! currNode->children.empty() ) OutProcLiteral ( " ** bad children **" );
} else if ( currNode->options & kXMP_PropValueIsArray ) {
if ( currNode->options & kXMP_PropValueIsStruct ) OutProcLiteral ( " ** bad comp flags **" );
} else if ( (currNode->options & kXMP_PropCompositeMask) != kXMP_PropValueIsStruct ) {
OutProcLiteral ( " ** bad comp flags **" );
}
#if 0 // *** XMP_DebugBuild
if ( (currNode->_namePtr != currNode->name.c_str()) ||
(currNode->_valuePtr != currNode->value.c_str()) ) OutProcLiteral ( " ** bad debug string **" );
#endif
OutProcNewline();
for ( size_t qualNum = 0, qualLim = currNode->qualifiers.size(); qualNum < qualLim; ++qualNum ) {
const XMP_Node * currQual = currNode->qualifiers[qualNum];
if ( currQual->parent != currNode ) OutProcLiteral ( "** bad parent link => " );
if ( currQual->name == kXMP_ArrayItemName ) OutProcLiteral ( "** bad qual name => " );
if ( ! (currQual->options & kXMP_PropIsQualifier) ) OutProcLiteral ( "** bad qual flag => " );
if ( currQual->name == "xml:lang" ) {
if ( (qualNum != 0) || (! (currNode->options & kXMP_PropHasLang)) ) OutProcLiteral ( "** bad lang qual => " );
}
status = DumpPropertyTree ( currQual, indent+2, 0, outProc, refCon );
if ( status != 0 ) goto EXIT;
}
for ( size_t childNum = 0, childLim = currNode->children.size(); childNum < childLim; ++childNum ) {
const XMP_Node * currChild = currNode->children[childNum];
if ( currChild->parent != currNode ) OutProcLiteral ( "** bad parent link => " );
if ( currChild->options & kXMP_PropIsQualifier ) OutProcLiteral ( "** bad qual flag => " );
if ( currNode->options & kXMP_PropValueIsArray ) {
itemIndex = childNum+1;
if ( currChild->name != kXMP_ArrayItemName ) OutProcLiteral ( "** bad item name => " );
} else {
itemIndex = 0;
if ( currChild->name == kXMP_ArrayItemName ) OutProcLiteral ( "** bad field name => " );
}
status = DumpPropertyTree ( currChild, indent+1, itemIndex, outProc, refCon );
if ( status != 0 ) goto EXIT;
}
EXIT:
return status;
} // DumpPropertyTree
// -------------------------------------------------------------------------------------------------
// DumpXMLTree
// -----------
#if DumpXMLParseTree
static inline void PutHexByte ( FILE * log, unsigned char ch )
{
fprintf ( log, "\\x" );
if ( ch < 0x10 ) {
fprintf ( log, "%c", kHexDigits[ch] );
} else {
fprintf ( log, "%c%c", kHexDigits[ch>>4], kHexDigits[ch&0xF] );
}
} // PutHexByte
// -------------------------------------------------------------------------------------------------
static void PutClearString ( FILE * log, const std::string & str )
{
for ( size_t i = 0; i != str.size(); ++i ) {
unsigned char ch = str[i];
if ( (0x20 <= ch) && (ch <= 0x7F) ) {
fprintf ( log, "%c", ch );
} else {
PutHexByte ( log, ch );
}
}
} // PutClearString
// -------------------------------------------------------------------------------------------------
static void DumpXMLTree ( FILE * log, const XML_Node & node, int indent )
{
size_t i;
#if 0 // *** XMP_DebugBuild
if ( (node._namePtr != node.name.c_str()) ||
(node._valuePtr != node.value.c_str()) ) fprintf ( log, "*** bad debug string ***\n" );
#endif
for ( i = 0; i != (size_t)indent; ++i ) fprintf ( log, " " );
switch ( node.kind ) {
case kRootNode :
fprintf ( log, "\nStart of XML tree dump\n\n" );
if ( (indent != 0) || (! node.attrs.empty()) ||
(! node.ns.empty()) || (! node.name.empty()) || (!node.value.empty()) ) fprintf ( log, " ** invalid root ** \n" );
for ( i = 0; i < node.children.size(); ++i ) {
XMP_Uns8 kind = node.children[i]->kind;
if ( (kind == kRootNode) || (kind == kAttrNode) ) fprintf ( log, " ** invalid child ** \n" );
DumpXMLTree ( log, *node.children[i], indent+1 );
}
fprintf ( log, "\nEnd of XML tree dump\n" );
break;
case kElemNode :
fprintf ( log, "Elem %s", node.name.c_str() );
if ( indent == 0 ) fprintf ( log, " ** invalid elem ** " );
if ( ! node.ns.empty() ) fprintf ( log, " @ %s", node.ns.c_str() );
fprintf ( log, "\n" );
for ( i = 0; i < node.attrs.size(); ++i ) {
XMP_Uns8 kind = node.attrs[i]->kind;
if ( kind != kAttrNode ) fprintf ( log, " ** invalid attr ** \n" );
DumpXMLTree ( log, *node.attrs[i], indent+2 );
}
for ( i = 0; i < node.children.size(); ++i ) {
XMP_Uns8 kind = node.children[i]->kind;
if ( (kind == kRootNode) || (kind == kAttrNode) ) fprintf ( log, " ** invalid child ** \n" );
DumpXMLTree ( log, *node.children[i], indent+1 );
}
break;
case kAttrNode :
fprintf ( log, "Attr %s", node.name.c_str() );
if ( (indent == 0) || node.name.empty() || (! node.attrs.empty()) || (! node.children.empty()) ) fprintf ( log, " ** invalid attr ** " );
fprintf ( log, " = \"" );
PutClearString ( log, node.value );
fprintf ( log, "\"" );
if ( ! node.ns.empty() ) fprintf ( log, " @ %s", node.ns.c_str() );
fprintf ( log, "\n" );
break;
case kCDataNode :
if ( (indent == 0) || (! node.ns.empty()) || (! node.name.empty()) ||
(! node.attrs.empty()) || (! node.children.empty()) ) fprintf ( log, " ** invalid cdata ** \n" );
fprintf ( log, "\"" );
PutClearString ( log, node.value );
fprintf ( log, "\"\n" );
break;
case kPINode :
fprintf ( log, "PI %s", node.name.c_str() );
if ( (indent == 0) || node.name.empty() || (! node.children.empty()) ) fprintf ( log, " ** invalid pi ** \n" );
if ( ! node.value.empty() ) {
fprintf ( log, " <? " );
PutClearString ( log, node.value );
fprintf ( log, " ?>" );
}
fprintf ( log, "\n" );
break;
}
} // DumpXMLTree
#endif // DumpXMLParseTree
// -------------------------------------------------------------------------------------------------
// CompareNodeNames
// ----------------
//
// Comparison routine for sorting XMP nodes by name. The name "xml:lang" is less than anything else,
// and "rdf:type" is less than anything except "xml:lang". This preserves special rules for qualifiers.
static bool
CompareNodeNames ( XMP_Node * left, XMP_Node * right )
{
if ( left->name == "xml:lang" ) return true;
if ( right->name == "xml:lang" ) return false;
if ( left->name == "rdf:type" ) return true;
if ( right->name == "rdf:type" ) return false;
return ( left->name < right->name );
} // CompareNodeNames
// -------------------------------------------------------------------------------------------------
// CompareNodeValues
// -----------------
//
// Comparison routine for sorting XMP nodes by value.
static bool
CompareNodeValues ( XMP_Node * left, XMP_Node * right )
{
if ( XMP_PropIsSimple ( left->options ) && XMP_PropIsSimple ( right->options ) ) {
return ( left->value < right->value );
}
XMP_OptionBits leftForm = left->options & kXMP_PropCompositeMask;
XMP_OptionBits rightForm = right->options & kXMP_PropCompositeMask;
return ( leftForm < rightForm );
} // CompareNodeValues
// -------------------------------------------------------------------------------------------------
// CompareNodeLangs
// ----------------
//
// Comparison routine for sorting XMP nodes by xml:lang qualifier. An "x-default" value is less than
// any other language.
static bool
CompareNodeLangs ( XMP_Node * left, XMP_Node * right )
{
if ( left->qualifiers.empty() || (left->qualifiers[0]->name != "xml:lang") ) return false;
if ( right->qualifiers.empty() || (right->qualifiers[0]->name != "xml:lang") ) return false;
if ( left->qualifiers[0]->value == "x-default" ) return true;
if ( right->qualifiers[0]->value == "x-default" ) return false;
return ( left->qualifiers[0]->value < right->qualifiers[0]->value );
} // CompareNodeLangs
// -------------------------------------------------------------------------------------------------
// SortWithinOffspring
// -------------------
//
// Sort one level down, within the elements of a node vector. This sorts the qualifiers of each
// node. If the node is a struct it sorts the fields by names. If the node is an unordered array it
// sorts the elements by value. If the node is an AltText array it sorts the elements by language.
static void
SortWithinOffspring ( XMP_NodeOffspring & nodeVec )
{
for ( size_t i = 0, limit = nodeVec.size(); i < limit; ++i ) {
XMP_Node * currPos = nodeVec[i];
if ( ! currPos->qualifiers.empty() ) {
sort ( currPos->qualifiers.begin(), currPos->qualifiers.end(), CompareNodeNames );
SortWithinOffspring ( currPos->qualifiers );
}
if ( ! currPos->children.empty() ) {
if ( XMP_PropIsStruct ( currPos->options ) || XMP_NodeIsSchema ( currPos->options ) ) {
sort ( currPos->children.begin(), currPos->children.end(), CompareNodeNames );
} else if ( XMP_PropIsArray ( currPos->options ) ) {
if ( XMP_ArrayIsUnordered ( currPos->options ) ) {
stable_sort ( currPos->children.begin(), currPos->children.end(), CompareNodeValues );
} else if ( XMP_ArrayIsAltText ( currPos->options ) ) {
sort ( currPos->children.begin(), currPos->children.end(), CompareNodeLangs );
}
}
SortWithinOffspring ( currPos->children );
}
}
} // SortWithinOffspring
// =================================================================================================
// Constructors
// ============
XMPMeta::XMPMeta() : clientRefs(0), prevTkVer(0), tree(XMP_Node(0,"",0)), xmlParser(0)
{
// Nothing more to do, clientRefs is incremented in wrapper.
#if XMP_TraceCTorDTor
printf ( "Default construct XMPMeta @ %.8X\n", this );
#endif
} // XMPMeta
// -------------------------------------------------------------------------------------------------
XMPMeta::~XMPMeta() RELEASE_NO_THROW
{
#if XMP_TraceCTorDTor
printf ( "Destruct XMPMeta @ %.8X\n", this );
#endif
XMP_Assert ( this->clientRefs <= 0 );
if ( xmlParser != 0 ) delete ( xmlParser );
xmlParser = 0;
} // ~XMPMeta
// =================================================================================================
// Class Static Functions
// ======================
//
//
// =================================================================================================
// -------------------------------------------------------------------------------------------------
// GetVersionInfo
// --------------
/* class-static */ void
XMPMeta::GetVersionInfo ( XMP_VersionInfo * info )
{
memset ( info, 0, sizeof(*info) ); // AUDIT: Safe, using sizeof the destination.
XMP_Assert ( sizeof(*info) == sizeof(XMP_VersionInfo) );
info->major = XMP_API_VERSION_MAJOR;
info->minor = XMP_API_VERSION_MINOR;
info->micro = XMP_API_VERSION_MICRO;
info->isDebug = kXMPCore_DebugFlag;
info->flags = 0; // ! None defined yet.
info->message = kXMPCore_VersionMessage;
} // GetVersionInfo
// -------------------------------------------------------------------------------------------------
// Initialize
// ----------
/* class-static */ bool
XMPMeta::Initialize()
{
// Allocate and initialize static objects.
++sXMP_InitCount;
if ( sXMP_InitCount > 1 ) return true;
#if TraceXMPCalls
// xmpOut = fopen ( "xmp.out", "w" ); // Coordinate with client glue in WXMP_Common.hpp
fprintf ( xmpOut, "XMP initializing\n" ); fflush ( xmpOut );
#endif
sExceptionMessage = new XMP_VarString();
XMP_InitMutex ( &sXMPCoreLock );
sOutputNS = new XMP_VarString;
sOutputStr = new XMP_VarString;
xdefaultName = new XMP_VarString ( "x-default" );
sNamespaceURIToPrefixMap = new XMP_StringMap;
sNamespacePrefixToURIMap = new XMP_StringMap;
sRegisteredAliasMap = new XMP_AliasMap;
InitializeUnicodeConversions();
// Register standard namespaces and aliases.
RegisterNamespace ( kXMP_NS_XML, "xml" );
RegisterNamespace ( kXMP_NS_RDF, "rdf" );
RegisterNamespace ( kXMP_NS_DC, "dc" );
RegisterNamespace ( kXMP_NS_XMP, "xmp" );
RegisterNamespace ( kXMP_NS_PDF, "pdf" );
RegisterNamespace ( kXMP_NS_Photoshop, "photoshop" );
RegisterNamespace ( kXMP_NS_PSAlbum, "album" );
RegisterNamespace ( kXMP_NS_EXIF, "exif" );
RegisterNamespace ( kXMP_NS_EXIF_Aux, "aux" );
RegisterNamespace ( kXMP_NS_TIFF, "tiff" );
RegisterNamespace ( kXMP_NS_PNG, "png" );
RegisterNamespace ( kXMP_NS_JPEG, "jpeg" );
RegisterNamespace ( kXMP_NS_JP2K, "jp2k" );
RegisterNamespace ( kXMP_NS_CameraRaw, "crs" );
RegisterNamespace ( kXMP_NS_ASF, "asf" );
RegisterNamespace ( kXMP_NS_WAV, "wav" );
RegisterNamespace ( kXMP_NS_AdobeStockPhoto, "bmsp" );
RegisterNamespace ( kXMP_NS_CreatorAtom, "creatorAtom" );
RegisterNamespace ( kXMP_NS_XMP_Rights, "xmpRights" );
RegisterNamespace ( kXMP_NS_XMP_MM, "xmpMM" );
RegisterNamespace ( kXMP_NS_XMP_BJ, "xmpBJ" );
RegisterNamespace ( kXMP_NS_XMP_Note, "xmpNote" );
RegisterNamespace ( kXMP_NS_DM, "xmpDM" );
RegisterNamespace ( kXMP_NS_XMP_Text, "xmpT" );
RegisterNamespace ( kXMP_NS_XMP_PagedFile, "xmpTPg" );
RegisterNamespace ( kXMP_NS_XMP_Graphics, "xmpG" );
RegisterNamespace ( kXMP_NS_XMP_Image, "xmpGImg" );
RegisterNamespace ( kXMP_NS_XMP_Font, "stFnt" );
RegisterNamespace ( kXMP_NS_XMP_Dimensions, "stDim" );
RegisterNamespace ( kXMP_NS_XMP_ResourceEvent, "stEvt" );
RegisterNamespace ( kXMP_NS_XMP_ResourceRef, "stRef" );
RegisterNamespace ( kXMP_NS_XMP_ST_Version, "stVer" );
RegisterNamespace ( kXMP_NS_XMP_ST_Job, "stJob" );
RegisterNamespace ( kXMP_NS_XMP_ManifestItem, "stMfs" );
RegisterNamespace ( kXMP_NS_XMP_IdentifierQual, "xmpidq" );
RegisterNamespace ( kXMP_NS_IPTCCore, "Iptc4xmpCore" );
RegisterNamespace ( kXMP_NS_DICOM, "DICOM" );
RegisterNamespace ( kXMP_NS_PDFA_Schema, "pdfaSchema" );
RegisterNamespace ( kXMP_NS_PDFA_Property, "pdfaProperty" );
RegisterNamespace ( kXMP_NS_PDFA_Type, "pdfaType" );
RegisterNamespace ( kXMP_NS_PDFA_Field, "pdfaField" );
RegisterNamespace ( kXMP_NS_PDFA_ID, "pdfaid" );
RegisterNamespace ( kXMP_NS_PDFA_Extension, "pdfaExtension" );
RegisterNamespace ( kXMP_NS_PDFX, "pdfx" );
RegisterNamespace ( kXMP_NS_PDFX_ID, "pdfxid" );
RegisterNamespace ( "adobe:ns:meta/", "x" );
RegisterNamespace ( "http://ns.adobe.com/iX/1.0/", "iX" );
// 06-Oct-07, ahu: Do not use aliases. They result in unexpected behaviour.
// XMPMeta::RegisterStandardAliases ( "" );
// Initialize the other core classes.
if ( ! XMPIterator::Initialize() ) XMP_Throw ( "Failure from XMPIterator::Initialize", kXMPErr_InternalFailure );
if ( ! XMPUtils::Initialize() ) XMP_Throw ( "Failure from XMPUtils::Initialize", kXMPErr_InternalFailure );
// Do miscelaneous semantic checks of types and arithmetic.
XMP_Assert ( sizeof(XMP_Int8) == 1 );
XMP_Assert ( sizeof(XMP_Int16) == 2 );
XMP_Assert ( sizeof(XMP_Int32) == 4 );
XMP_Assert ( sizeof(XMP_Int64) == 8 );
XMP_Assert ( sizeof(XMP_Uns8) == 1 );
XMP_Assert ( sizeof(XMP_Uns16) == 2 );
XMP_Assert ( sizeof(XMP_Uns32) == 4 );
XMP_Assert ( sizeof(XMP_Uns64) == 8 );
XMP_Assert ( sizeof(XMP_OptionBits) == 4 ); // Check that option masking work on all 32 bits.
XMP_OptionBits flag = ~0;
XMP_Assert ( flag == (XMP_OptionBits)(-1L) );
XMP_Assert ( (flag ^ kXMP_PropHasLang) == 0xFFFFFFBFUL );
XMP_Assert ( (flag & ~kXMP_PropHasLang) == 0xFFFFFFBFUL );
XMP_OptionBits opt1 = 0; // Check the general option bit macros.
XMP_OptionBits opt2 = flag;
XMP_SetOption ( opt1, kXMP_PropValueIsArray );
XMP_ClearOption ( opt2, kXMP_PropValueIsArray );
XMP_Assert ( opt1 == ~opt2 );
XMP_Assert ( XMP_TestOption ( opt1, kXMP_PropValueIsArray ) );
XMP_Assert ( ! XMP_TestOption ( opt2, kXMP_PropValueIsArray ) );
XMP_Assert ( XMP_PropIsSimple ( ~kXMP_PropCompositeMask ) ); // Check the special option bit macros.
XMP_Assert ( ! XMP_PropIsSimple ( kXMP_PropValueIsStruct ) );
XMP_Assert ( ! XMP_PropIsSimple ( kXMP_PropValueIsArray ) );
XMP_Assert ( XMP_PropIsStruct ( kXMP_PropValueIsStruct ) );
XMP_Assert ( XMP_PropIsArray ( kXMP_PropValueIsArray ) );
XMP_Assert ( ! XMP_PropIsStruct ( ~kXMP_PropValueIsStruct ) );
XMP_Assert ( ! XMP_PropIsArray ( ~kXMP_PropValueIsArray ) );
XMP_Assert ( XMP_ArrayIsUnordered ( ~kXMP_PropArrayIsOrdered ) );
XMP_Assert ( XMP_ArrayIsOrdered ( kXMP_PropArrayIsOrdered ) );
XMP_Assert ( XMP_ArrayIsAlternate ( kXMP_PropArrayIsAlternate ) );
XMP_Assert ( XMP_ArrayIsAltText ( kXMP_PropArrayIsAltText ) );
XMP_Assert ( ! XMP_ArrayIsUnordered ( kXMP_PropArrayIsOrdered ) );
XMP_Assert ( ! XMP_ArrayIsOrdered ( ~kXMP_PropArrayIsOrdered ) );
XMP_Assert ( ! XMP_ArrayIsAlternate ( ~kXMP_PropArrayIsAlternate ) );
XMP_Assert ( ! XMP_ArrayIsAltText ( ~kXMP_PropArrayIsAltText ) );
XMP_Assert ( XMP_PropHasQualifiers ( kXMP_PropHasQualifiers ) );
XMP_Assert ( XMP_PropIsQualifier ( kXMP_PropIsQualifier ) );
XMP_Assert ( XMP_PropHasLang ( kXMP_PropHasLang ) );
XMP_Assert ( ! XMP_PropHasQualifiers ( ~kXMP_PropHasQualifiers ) );
XMP_Assert ( ! XMP_PropIsQualifier ( ~kXMP_PropIsQualifier ) );
XMP_Assert ( ! XMP_PropHasLang ( ~kXMP_PropHasLang ) );
XMP_Assert ( XMP_NodeIsSchema ( kXMP_SchemaNode ) );
XMP_Assert ( XMP_PropIsAlias ( kXMP_PropIsAlias ) );
XMP_Assert ( ! XMP_NodeIsSchema ( ~kXMP_SchemaNode ) );
XMP_Assert ( ! XMP_PropIsAlias ( ~kXMP_PropIsAlias ) );
#if 0 // Generally off, enable to hand check generated code.
extern XMP_OptionBits opt3, opt4;
if ( XMP_TestOption ( opt3, kXMP_PropValueIsArray ) ) opt4 = opt3;
if ( ! XMP_TestOption ( opt3, kXMP_PropValueIsStruct ) ) opt4 = opt3;
static bool ok1 = XMP_TestOption ( opt4, kXMP_PropValueIsArray );
static bool ok2 = ! XMP_TestOption ( opt4, kXMP_PropValueIsStruct );
#endif
// Make sure the embedded info strings are referenced and kept.
if ( (kXMPCore_EmbeddedVersion[0] == 0) || (kXMPCore_EmbeddedCopyright[0] == 0) ) return false;
return true;
} // Initialize
// -------------------------------------------------------------------------------------------------
// Terminate
// ---------
#define EliminateGlobal(g) delete ( g ); g = 0
/* class-static */ void
XMPMeta::Terminate() RELEASE_NO_THROW
{
--sXMP_InitCount;
if ( sXMP_InitCount > 0 ) return;
#if TraceXMPCalls
fprintf ( xmpOut, "XMP terminating\n" ); fflush ( xmpOut );
// fclose ( xmpOut ); // Coordinate with fopen in XMPMeta::Initialize.
#endif
XMPIterator::Terminate();
XMPUtils::Terminate();
EliminateGlobal ( sNamespaceURIToPrefixMap );
EliminateGlobal ( sNamespacePrefixToURIMap );
EliminateGlobal ( sRegisteredAliasMap );
EliminateGlobal ( xdefaultName );
EliminateGlobal ( sOutputNS );
EliminateGlobal ( sOutputStr );
EliminateGlobal ( sExceptionMessage );
XMP_TermMutex ( sXMPCoreLock );
} // Terminate
// -------------------------------------------------------------------------------------------------
// Unlock
// ------
/* class-static */ void
XMPMeta::Unlock ( XMP_OptionBits options )
{
UNUSED(options);
#if TraceXMPLocking
fprintf ( xmpOut, " Unlocking XMP toolkit, count = %d\n", sLockCount ); fflush ( xmpOut );
#endif
--sLockCount;
XMP_Assert ( sLockCount == 0 );
XMP_ExitCriticalRegion ( sXMPCoreLock );
} // Unlock
// -------------------------------------------------------------------------------------------------
// UnlockObject
// ------------
void
XMPMeta::UnlockObject ( XMP_OptionBits options ) const
{
UNUSED(options);
XMPMeta::Unlock ( 0 );
} // UnlockObject
// -------------------------------------------------------------------------------------------------
// DumpNamespaces
// --------------
//
// Dump the prefix to URI map (easier to read) and verify that both are consistent and legit.
// *** Should put checks in a separate routine for regular calling in debug builds.
/* class-static */ XMP_Status
XMPMeta::DumpNamespaces ( XMP_TextOutputProc outProc,
void * refCon )
{
XMP_Assert ( outProc != 0 ); // ! Enforced by wrapper.
XMP_Status status = 0;
XMP_StringMapPos p2uEnd = sNamespacePrefixToURIMap->end(); // ! Move up to avoid gcc complaints.
XMP_StringMapPos u2pEnd = sNamespaceURIToPrefixMap->end();
status = DumpStringMap ( *sNamespacePrefixToURIMap, "Dumping namespace prefix to URI map", outProc, refCon );
if ( status != 0 ) goto EXIT;
if ( sNamespacePrefixToURIMap->size() != sNamespaceURIToPrefixMap->size() ) {
OutProcLiteral ( "** bad namespace map sizes **" );
XMP_Throw ( "Fatal namespace map problem", kXMPErr_InternalFailure );
}
for ( XMP_StringMapPos nsLeft = sNamespacePrefixToURIMap->begin(); nsLeft != p2uEnd; ++nsLeft ) {
XMP_StringMapPos nsOther = sNamespaceURIToPrefixMap->find ( nsLeft->second );
if ( (nsOther == u2pEnd) || (nsLeft != sNamespacePrefixToURIMap->find ( nsOther->second )) ) {
OutProcLiteral ( " ** bad namespace URI ** " );
DumpClearString ( nsLeft->second, outProc, refCon );
goto FAILURE;
}
for ( XMP_StringMapPos nsRight = nsLeft; nsRight != p2uEnd; ++nsRight ) {
if ( nsRight == nsLeft ) continue; // ! Can't start at nsLeft+1, no operator+!
if ( nsLeft->second == nsRight->second ) {
OutProcLiteral ( " ** duplicate namespace URI ** " );
DumpClearString ( nsLeft->second, outProc, refCon );
goto FAILURE;
}
}
}
for ( XMP_StringMapPos nsLeft = sNamespaceURIToPrefixMap->begin(); nsLeft != u2pEnd; ++nsLeft ) {
XMP_StringMapPos nsOther = sNamespacePrefixToURIMap->find ( nsLeft->second );
if ( (nsOther == p2uEnd) || (nsLeft != sNamespaceURIToPrefixMap->find ( nsOther->second )) ) {
OutProcLiteral ( " ** bad namespace prefix ** " );
DumpClearString ( nsLeft->second, outProc, refCon );
goto FAILURE;
}
for ( XMP_StringMapPos nsRight = nsLeft; nsRight != u2pEnd; ++nsRight ) {
if ( nsRight == nsLeft ) continue; // ! Can't start at nsLeft+1, no operator+!
if ( nsLeft->second == nsRight->second ) {
OutProcLiteral ( " ** duplicate namespace prefix ** " );
DumpClearString ( nsLeft->second, outProc, refCon );
goto FAILURE;
}
}
}
EXIT:
return status;
FAILURE:
OutProcNewline();
(void) DumpStringMap ( *sNamespaceURIToPrefixMap, "Dumping namespace URI to prefix map", outProc, refCon );
XMP_Throw ( "Fatal namespace map problem", kXMPErr_InternalFailure );
return 0;
} // DumpNamespaces
// -------------------------------------------------------------------------------------------------
// DumpAliases
// -----------
/* class-static */ XMP_Status
XMPMeta::DumpAliases ( XMP_TextOutputProc outProc,
void * refCon )
{
XMP_Assert ( outProc != 0 ); // ! Enforced by wrapper.
XMP_Status status = 0;
XMP_Assert ( sRegisteredAliasMap != 0 );
XMP_cAliasMapPos aliasPos;
XMP_cAliasMapPos aliasEnd = sRegisteredAliasMap->end();
size_t maxLen = 0;
for ( aliasPos = sRegisteredAliasMap->begin(); aliasPos != aliasEnd; ++aliasPos ) {
size_t currLen = aliasPos->first.size();
if ( currLen > maxLen ) maxLen = currLen;
}
OutProcLiteral ( "Dumping alias name to actual path map" );
OutProcNewline();
for ( aliasPos = sRegisteredAliasMap->begin(); aliasPos != aliasEnd; ++aliasPos ) {
OutProcNChars ( " ", 3 );
DumpClearString ( aliasPos->first, outProc, refCon );
OutProcPadding ( maxLen - aliasPos->first.size() );
OutProcNChars ( " => ", 4 );
size_t actualPathSize = aliasPos->second.size();
for ( size_t stepNum = 1; stepNum < actualPathSize; ++stepNum ) OutProcString ( aliasPos->second[stepNum].step );
XMP_OptionBits arrayForm = aliasPos->second[1].options & kXMP_PropArrayFormMask;
if ( arrayForm == 0 ) {
if ( actualPathSize != 2 ) OutProcLiteral ( " ** bad actual path **" );
} else {
OutProcNChars ( " ", 2 );
DumpNodeOptions ( arrayForm, outProc, refCon );
if ( ! (arrayForm & kXMP_PropValueIsArray) ) OutProcLiteral ( " ** bad array form **" );
if ( actualPathSize != 3 ) OutProcLiteral ( " ** bad actual path **" );
}
if ( aliasPos->second[0].options != kXMP_SchemaNode ) OutProcLiteral ( " ** bad schema form **" );
OutProcNewline();
}
EXIT:
return status;
} // DumpAliases
// -------------------------------------------------------------------------------------------------
// GetGlobalOptions
// ----------------
/* class-static */ XMP_OptionBits
XMPMeta::GetGlobalOptions()
{
XMP_OptionBits options = 0;
return options;
} // GetGlobalOptions
// -------------------------------------------------------------------------------------------------
// SetGlobalOptions
// ----------------
/* class-static */ void
XMPMeta::SetGlobalOptions ( XMP_OptionBits /*options*/ )
{
XMP_Throw ( "Unimplemented method XMPMeta::SetGlobalOptions", kXMPErr_Unimplemented );
} // SetGlobalOptions
// -------------------------------------------------------------------------------------------------
// RegisterNamespace
// -----------------
/* class-static */ void
XMPMeta::RegisterNamespace ( XMP_StringPtr namespaceURI,
XMP_StringPtr prefix )
{
if ( (*namespaceURI == 0) || (*prefix == 0) ) {
XMP_Throw ( "Empty namespace URI or prefix", kXMPErr_BadParam );
}
XMP_VarString nsURI ( namespaceURI );
XMP_VarString prfix ( prefix );
if ( prfix[prfix.size()-1] != ':' ) prfix += ':';
VerifySimpleXMLName ( prefix, prefix+prfix.size()-1 ); // Exclude the colon.
// Set the new namespace in both maps.
(*sNamespaceURIToPrefixMap)[nsURI] = prfix;
(*sNamespacePrefixToURIMap)[prfix] = nsURI;
} // RegisterNamespace
// -------------------------------------------------------------------------------------------------
// GetNamespacePrefix
// ------------------
/* class-static */ bool
XMPMeta::GetNamespacePrefix ( XMP_StringPtr namespaceURI,
XMP_StringPtr * namespacePrefix,
XMP_StringLen * prefixSize )
{
bool found = false;
XMP_Assert ( *namespaceURI != 0 ); // ! Enforced by wrapper.
XMP_Assert ( (namespacePrefix != 0) && (prefixSize != 0) ); // ! Enforced by wrapper.
XMP_VarString nsURI ( namespaceURI );
XMP_StringMapPos uriPos = sNamespaceURIToPrefixMap->find ( nsURI );
if ( uriPos != sNamespaceURIToPrefixMap->end() ) {
*namespacePrefix = uriPos->second.c_str();
*prefixSize = uriPos->second.size();
found = true;
}
return found;
} // GetNamespacePrefix
// -------------------------------------------------------------------------------------------------
// GetNamespaceURI
// ---------------
/* class-static */ bool
XMPMeta::GetNamespaceURI ( XMP_StringPtr namespacePrefix,
XMP_StringPtr * namespaceURI,
XMP_StringLen * uriSize )
{
bool found = false;
XMP_Assert ( *namespacePrefix != 0 ); // ! Enforced by wrapper.
XMP_Assert ( (namespacePrefix != 0) && (namespaceURI != 0) ); // ! Enforced by wrapper.
XMP_VarString nsPrefix ( namespacePrefix );
if ( nsPrefix[nsPrefix.size()-1] != ':' ) nsPrefix += ':';
XMP_StringMapPos prefixPos = sNamespacePrefixToURIMap->find ( nsPrefix );
if ( prefixPos != sNamespacePrefixToURIMap->end() ) {
*namespaceURI = prefixPos->second.c_str();
*uriSize = prefixPos->second.size();
found = true;
}
return found;
} // GetNamespaceURI
// -------------------------------------------------------------------------------------------------
// DeleteNamespace
// ---------------
// *** Don't allow standard namespaces to be deleted.
// *** We would be better off not having this. Instead, have local namespaces from parsing be
// *** restricted to the object that introduced them.
/* class-static */ void
XMPMeta::DeleteNamespace ( XMP_StringPtr namespaceURI )
{
XMP_StringMapPos uriPos = sNamespaceURIToPrefixMap->find ( namespaceURI );
if ( uriPos == sNamespaceURIToPrefixMap->end() ) return;
XMP_StringMapPos prefixPos = sNamespacePrefixToURIMap->find ( uriPos->second );
XMP_Assert ( prefixPos != sNamespacePrefixToURIMap->end() );
sNamespaceURIToPrefixMap->erase ( uriPos );
sNamespacePrefixToURIMap->erase ( prefixPos );
} // DeleteNamespace
// -------------------------------------------------------------------------------------------------
// RegisterAlias
// -------------
//
// Allow 3 kinds of alias:
// TopProp => TopProp
// TopProp => TopArray[1]
// TopProp => TopArray[@xml:lang='x-default']
//
// A new alias can be made to something that is already aliased, as long as the net result is one of
// the legitimate forms. The new alias can already have aliases to it, also as long as result of
// adjusting all of the exiting aliases leaves them legal.
//
// ! The caller assumes all risk that new aliases do not invalidate existing XMPMeta objects. Any
// ! conflicts will result in later references throwing bad XPath exceptions.
/* class-static */ void
XMPMeta::RegisterAlias ( XMP_StringPtr aliasNS,
XMP_StringPtr aliasProp,
XMP_StringPtr actualNS,
XMP_StringPtr actualProp,
XMP_OptionBits arrayForm )
{
XMP_ExpandedXPath expAlias, expActual;
XMP_AliasMapPos mapPos;
XMP_ExpandedXPath * regActual = 0;
XMP_Assert ( (aliasNS != 0) && (aliasProp != 0) && (actualNS != 0) && (actualProp != 0) ); // Enforced by wrapper.
// Expand the alias and actual names, make sure they are one of the basic 3 forms. When counting
// the expanded XPath size remember that the schema URI is the first component. We don't have to
// compare the schema URIs though, the (unique) prefix is part of the top property name.
ExpandXPath ( aliasNS, aliasProp, &expAlias );
ExpandXPath ( actualNS, actualProp, &expActual );
if ( (expAlias.size() != 2) || (expActual.size() != 2) ) {
XMP_Throw ( "Alias and actual property names must be simple", kXMPErr_BadXPath );
}
arrayForm = VerifySetOptions ( arrayForm, 0 );
if ( arrayForm != 0 ) {
if ( (arrayForm & ~kXMP_PropArrayFormMask) != 0 ) XMP_Throw ( "Only array form flags are allowed", kXMPErr_BadOptions );
expActual[1].options |= arrayForm; // Set the array form for the top level step.
if ( ! (arrayForm & kXMP_PropArrayIsAltText) ) {
expActual.push_back ( XPathStepInfo ( "[1]", kXMP_ArrayIndexStep ) );
} else {
expActual.push_back ( XPathStepInfo ( "[?xml:lang=\"x-default\"]", kXMP_QualSelectorStep ) );
}
}
// See if there are any conflicts with existing aliases. A couple of the checks are easy. If the
// alias is already aliased it is only OK to reregister an identical alias. If the actual is
// already aliased to something else and the new chain is legal, just swap in the old base.
mapPos = sRegisteredAliasMap->find ( expAlias[kRootPropStep].step );
if ( mapPos != sRegisteredAliasMap->end() ) {
// This alias is already registered to something, make sure it is the same something.
regActual = &mapPos->second;
if ( arrayForm != (mapPos->second[1].options & kXMP_PropArrayFormMask) ) {
XMP_Throw ( "Mismatch with existing alias array form", kXMPErr_BadParam );
}
if ( expActual.size() != regActual->size() ) {
XMP_Throw ( "Mismatch with existing actual path", kXMPErr_BadParam );
}
if ( expActual[kRootPropStep].step != (*regActual)[kRootPropStep].step ) {
XMP_Throw ( "Mismatch with existing actual name", kXMPErr_BadParam );
}
if ( (expActual.size() == 3) && (expActual[kAliasIndexStep].step != (*regActual)[kAliasIndexStep].step) ) {
XMP_Throw ( "Mismatch with existing actual array item", kXMPErr_BadParam );
}
return;
}
mapPos = sRegisteredAliasMap->find ( expActual[kRootPropStep].step );
if ( mapPos != sRegisteredAliasMap->end() ) {
// The actual is already aliased to something else.
regActual = &mapPos->second;
if ( expActual.size() == 2 ) {
expActual = *regActual; // TopProp => TopProp => anything : substitute the entire old base.
} else if ( regActual->size() != 2 ) {
XMP_Throw ( "Can't alias an array item to an array item", kXMPErr_BadParam ); // TopProp => TopArray[] => TopArray[] : nope.
} else {
expActual[kSchemaStep].step = (*regActual)[kSchemaStep].step; // TopProp => TopArray[] => TopProp :
expActual[kRootPropStep].step = (*regActual)[kRootPropStep].step; // substitute the old base name.
}
}
// Checking for existing aliases to this one is touchier. This involves updating the alias map,
// which must not be done unless all of the changes are legal. So we need 2 loops, one to verify
// that everything is OK, and one to make the changes. The bad case is:
// TopProp => TopArray[] => TopArray[]
// In the valid cases we back substitute the new base.
for ( mapPos = sRegisteredAliasMap->begin(); mapPos != sRegisteredAliasMap->end(); ++mapPos ) {
regActual = &mapPos->second;
if ( expAlias[kRootPropStep].step == (*regActual)[kRootPropStep].step ) {
if ( (regActual->size() == 2) && (expAlias.size() == 2) ) {
XMP_Throw ( "Can't alias an array item to an array item", kXMPErr_BadParam );
}
}
}
for ( mapPos = sRegisteredAliasMap->begin(); mapPos != sRegisteredAliasMap->end(); ++mapPos ) {
regActual = &mapPos->second;
if ( expAlias[kRootPropStep].step == (*regActual)[kRootPropStep].step ) {
if ( regActual->size() == 1 ) {
*regActual = expActual; // TopProp => TopProp => anything : substitute the entire new base.
} else {
(*regActual)[kSchemaStep].step = expActual[kSchemaStep].step; // TopProp => TopArray[] => TopProp :
(*regActual)[kRootPropStep].step = expActual[kRootPropStep].step; // substitute the new base name.
}
}
}
// Finally, all is OK to register the new alias.
(void) sRegisteredAliasMap->insert ( XMP_AliasMap::value_type ( expAlias[kRootPropStep].step, expActual ) );
} // RegisterAlias
// -------------------------------------------------------------------------------------------------
// ResolveAlias
// ------------
/* class-static */ bool
XMPMeta::ResolveAlias ( XMP_StringPtr aliasNS,
XMP_StringPtr aliasProp,
XMP_StringPtr * actualNS,
XMP_StringLen * nsSize,
XMP_StringPtr * actualProp,
XMP_StringLen * propSize,
XMP_OptionBits * arrayForm )
{
XMP_Assert ( (aliasNS != 0) && (aliasProp != 0) ); // Enforced by wrapper.
XMP_Assert ( (actualNS != 0) && (nsSize != 0) && (actualProp != 0) && (propSize != 0) && (arrayForm != 0) ); // Enforced by wrapper.
// Expand the input path and look up the first component in the alias table. Return if not an alias.
XMP_ExpandedXPath fullPath, minPath;
ExpandXPath ( aliasNS, aliasProp, &fullPath );
XMP_Assert ( fullPath.size() >= 2 );
minPath.push_back ( fullPath[kSchemaStep] );
minPath.push_back ( fullPath[kRootPropStep] );
XMP_AliasMapPos mapPos = sRegisteredAliasMap->find ( minPath[kRootPropStep].step );
if ( mapPos == sRegisteredAliasMap->end() ) return false;
// Replace the alias portion of the full expanded path. Compose the output path string.
const XMP_ExpandedXPath & actualPath = mapPos->second;
fullPath[kSchemaStep] = actualPath[kSchemaStep];
fullPath[kRootPropStep] = actualPath[kRootPropStep];
if ( actualPath.size() > 2 ) { // This is an alias to an array item.
XMP_ExpandedXPathPos insertPos = fullPath.begin() + kAliasIndexStep;
fullPath.insert ( insertPos, actualPath[kAliasIndexStep] );
}
*sOutputNS = fullPath[kSchemaStep].step;
*actualNS = sOutputNS->c_str();
*nsSize = sOutputNS->size();
ComposeXPath ( fullPath, sOutputStr );
*actualProp = sOutputStr->c_str();
*propSize = sOutputStr->size();
*arrayForm = actualPath[kRootPropStep].options & kXMP_PropArrayFormMask;
#if XMP_DebugBuild // Test that the output string is valid and unchanged by round trip expand/compose.
XMP_ExpandedXPath rtPath;
ExpandXPath ( *actualNS, *actualProp, &rtPath );
std::string rtString;
ComposeXPath ( rtPath, &rtString );
XMP_Assert ( rtString == *sOutputStr );
#endif
return true;
} // ResolveAlias
// -------------------------------------------------------------------------------------------------
// DeleteAlias
// -----------
/* class-static */ void
XMPMeta::DeleteAlias ( XMP_StringPtr /*aliasNS*/,
XMP_StringPtr /*aliasProp*/ )
{
// Todo: XMP_Assert ( (aliasNS != 0) && (aliasProp != 0) ); / / Enforced by wrapper.
XMP_Throw ( "Unimplemented method XMPMeta::DeleteAlias", kXMPErr_Unimplemented ); // *** #error "write me"
} // DeleteAlias
// -------------------------------------------------------------------------------------------------
// RegisterStandardAliases
// -----------------------
/* class-static */ void
XMPMeta::RegisterStandardAliases ( XMP_StringPtr schemaNS )
{
XMP_Assert ( schemaNS != 0 ); // Enforced by wrapper.
const bool doAll = (*schemaNS == 0);
if ( doAll || XMP_LitMatch ( schemaNS, kXMP_NS_XMP ) ) {
// Aliases from XMP to DC.
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Author", kXMP_NS_DC, "creator", kXMP_PropArrayIsOrdered );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Authors", kXMP_NS_DC, "creator", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Description", kXMP_NS_DC, "description", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Format", kXMP_NS_DC, "format", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Keywords", kXMP_NS_DC, "subject", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Locale", kXMP_NS_DC, "language", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP, "Title", kXMP_NS_DC, "title", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_XMP_Rights, "Copyright", kXMP_NS_DC, "rights", 0 );
}
if ( doAll || XMP_LitMatch ( schemaNS, kXMP_NS_PDF ) ) {
// Aliases from PDF to DC and XMP.
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "Author", kXMP_NS_DC, "creator", kXMP_PropArrayIsOrdered );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "BaseURL", kXMP_NS_XMP, "BaseURL", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "CreationDate", kXMP_NS_XMP, "CreateDate", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "Creator", kXMP_NS_XMP, "CreatorTool", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "ModDate", kXMP_NS_XMP, "ModifyDate", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "Subject", kXMP_NS_DC, "description", kXMP_PropArrayIsAltText );
XMPMeta::RegisterAlias ( kXMP_NS_PDF, "Title", kXMP_NS_DC, "title", kXMP_PropArrayIsAltText );
}
if ( doAll || XMP_LitMatch ( schemaNS, kXMP_NS_Photoshop ) ) {
// Aliases from PHOTOSHOP to DC and XMP.
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Author", kXMP_NS_DC, "creator", kXMP_PropArrayIsOrdered );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Caption", kXMP_NS_DC, "description", kXMP_PropArrayIsAltText );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Copyright", kXMP_NS_DC, "rights", kXMP_PropArrayIsAltText );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Keywords", kXMP_NS_DC, "subject", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Marked", kXMP_NS_XMP_Rights, "Marked", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "Title", kXMP_NS_DC, "title", kXMP_PropArrayIsAltText );
XMPMeta::RegisterAlias ( kXMP_NS_Photoshop, "WebStatement", kXMP_NS_XMP_Rights, "WebStatement", 0 );
}
if ( doAll || XMP_LitMatch ( schemaNS, kXMP_NS_TIFF ) || XMP_LitMatch ( schemaNS, kXMP_NS_EXIF ) ) {
// Aliases from TIFF and EXIF to DC and XMP.
XMPMeta::RegisterAlias ( kXMP_NS_TIFF, "Artist", kXMP_NS_DC, "creator", kXMP_PropArrayIsOrdered);
XMPMeta::RegisterAlias ( kXMP_NS_TIFF, "Copyright", kXMP_NS_DC, "rights", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_TIFF, "DateTime", kXMP_NS_XMP, "ModifyDate", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_TIFF, "ImageDescription", kXMP_NS_DC, "description", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_TIFF, "Software", kXMP_NS_XMP, "CreatorTool", 0 );
}
if ( doAll || XMP_LitMatch ( schemaNS, kXMP_NS_PNG ) ) { // ! From Acrobat ImageCapture:
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "Author", kXMP_NS_DC, "creator", kXMP_PropArrayIsOrdered);
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "Copyright", kXMP_NS_DC, "rights", kXMP_PropArrayIsAltText);
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "CreationTime", kXMP_NS_XMP, "CreateDate", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "Description", kXMP_NS_DC, "description", kXMP_PropArrayIsAltText);
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "ModificationTime", kXMP_NS_XMP, "ModifyDate", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "Software", kXMP_NS_XMP, "CreatorTool", 0 );
XMPMeta::RegisterAlias ( kXMP_NS_PNG, "Title", kXMP_NS_DC, "title", kXMP_PropArrayIsAltText);
}
} // RegisterStandardAliases
// =================================================================================================
// Class Methods
// =============
//
//
// =================================================================================================
// -------------------------------------------------------------------------------------------------
// DumpObject
// ----------
XMP_Status
XMPMeta::DumpObject ( XMP_TextOutputProc outProc,
void * refCon ) const
{
XMP_Assert ( outProc != 0 ); // ! Enforced by wrapper.
XMP_Status status = 0;
OutProcLiteral ( "Dumping XMPMeta object \"" );
DumpClearString ( tree.name, outProc, refCon );
OutProcNChars ( "\" ", 3 );
status = DumpNodeOptions ( tree.options, outProc, refCon );
if ( status != 0 ) goto EXIT;
#if 0 // *** XMP_DebugBuild
if ( (tree._namePtr != tree.name.c_str()) ||
(tree._valuePtr != tree.value.c_str()) ) OutProcLiteral ( " ** bad debug string **" );
#endif
OutProcNewline();
if ( ! tree.value.empty() ) {
OutProcLiteral ( "** bad root value ** \"" );
DumpClearString ( tree.value, outProc, refCon );
OutProcNChars ( "\"", 1 );
OutProcNewline();
}
if ( ! tree.qualifiers.empty() ) {
OutProcLiteral ( "** bad root qualifiers **" );
OutProcNewline();
for ( size_t qualNum = 0, qualLim = tree.qualifiers.size(); qualNum < qualLim; ++qualNum ) {
status = DumpPropertyTree ( tree.qualifiers[qualNum], 3, 0, outProc, refCon );
}
}
if ( ! tree.children.empty() ) {
for ( size_t childNum = 0, childLim = tree.children.size(); childNum < childLim; ++childNum ) {
const XMP_Node * currSchema = tree.children[childNum];
OutProcNewline();
OutProcIndent ( 1 );
DumpClearString ( currSchema->value, outProc, refCon );
OutProcNChars ( " ", 2 );
DumpClearString ( currSchema->name, outProc, refCon );
OutProcNChars ( " ", 2 );
status = DumpNodeOptions ( currSchema->options, outProc, refCon );
if ( status != 0 ) goto EXIT;
#if 0 // *** XMP_DebugBuild
if ( (currSchema->_namePtr != currSchema->name.c_str()) ||
(currSchema->_valuePtr != currSchema->value.c_str()) ) OutProcLiteral ( " ** bad debug string **" );
#endif
OutProcNewline();
if ( ! (currSchema->options & kXMP_SchemaNode) ) {
OutProcLiteral ( "** bad schema options **" );
OutProcNewline();
}
if ( ! currSchema->qualifiers.empty() ) {
OutProcLiteral ( "** bad schema qualifiers **" );
OutProcNewline();
for ( size_t qualNum = 0, qualLim = currSchema->qualifiers.size(); qualNum < qualLim; ++qualNum ) {
DumpPropertyTree ( currSchema->qualifiers[qualNum], 3, 0, outProc, refCon );
}
}
for ( size_t childNum = 0, childLim = currSchema->children.size(); childNum < childLim; ++childNum ) {
DumpPropertyTree ( currSchema->children[childNum], 2, 0, outProc, refCon );
}
}
}
EXIT:
return status;
} // DumpObject
// -------------------------------------------------------------------------------------------------
// CountArrayItems
// ---------------
XMP_Index
XMPMeta::CountArrayItems ( XMP_StringPtr schemaNS,
XMP_StringPtr arrayName ) const
{
XMP_Assert ( (schemaNS != 0) && (arrayName != 0) ); // Enforced by wrapper.
XMP_ExpandedXPath expPath;
ExpandXPath ( schemaNS, arrayName, &expPath );
const XMP_Node * arrayNode = FindConstNode ( &tree, expPath );
if ( arrayNode == 0 ) return 0;
if ( ! (arrayNode->options & kXMP_PropValueIsArray) ) XMP_Throw ( "The named property is not an array", kXMPErr_BadXPath );
return arrayNode->children.size();
} // CountArrayItems
// -------------------------------------------------------------------------------------------------
// GetObjectName
// -------------
void
XMPMeta::GetObjectName ( XMP_StringPtr * namePtr,
XMP_StringLen * nameLen ) const
{
*namePtr = tree.name.c_str();
*nameLen = tree.name.size();
} // GetObjectName
// -------------------------------------------------------------------------------------------------
// SetObjectName
// -------------
void
XMPMeta::SetObjectName ( XMP_StringPtr name )
{
VerifyUTF8 ( name ); // Throws if the string is not legit UTF-8.
tree.name = name;
} // SetObjectName
// -------------------------------------------------------------------------------------------------
// GetObjectOptions
// ----------------
XMP_OptionBits
XMPMeta::GetObjectOptions() const
{
XMP_OptionBits options = 0;
return options;
} // GetObjectOptions
// -------------------------------------------------------------------------------------------------
// SetObjectOptions
// ----------------
void
XMPMeta::SetObjectOptions ( XMP_OptionBits /*options*/ )
{
XMP_Throw ( "Unimplemented method XMPMeta::SetObjectOptions", kXMPErr_Unimplemented );
} // SetObjectOptions
// -------------------------------------------------------------------------------------------------
// Sort
// ----
//
// At the top level the namespaces are sorted by their prefixes. Within a namespace, the top level
// properties are sorted by name. Within a struct, the fields are sorted by their qualified name,
// i.e. their XML prefix:local form. Unordered arrays of simple items are sorted by value. Language
// Alternative arrays are sorted by the xml:lang qualifiers, with the "x-default" item placed first.
void
XMPMeta::Sort()
{
if ( ! this->tree.qualifiers.empty() ) {
sort ( this->tree.qualifiers.begin(), this->tree.qualifiers.end(), CompareNodeNames );
SortWithinOffspring ( this->tree.qualifiers );
}
if ( ! this->tree.children.empty() ) {
// The schema prefixes are the node's value, the name is the URI, so we sort schemas by value.
sort ( this->tree.children.begin(), this->tree.children.end(), CompareNodeValues );
SortWithinOffspring ( this->tree.children );
}
} // Sort
// -------------------------------------------------------------------------------------------------
// Erase
// -----
//
// Clear everything except for clientRefs.
void
XMPMeta::Erase()
{
this->prevTkVer = 0;
if ( this->xmlParser != 0 ) {
delete ( this->xmlParser );
this->xmlParser = 0;
}
this->tree.ClearNode();
} // Erase
// -------------------------------------------------------------------------------------------------
// Clone
// -----
void
XMPMeta::Clone ( XMPMeta * clone, XMP_OptionBits options ) const
{
if ( clone == 0 ) XMP_Throw ( "Null clone pointer", kXMPErr_BadParam );
if ( options != 0 ) XMP_Throw ( "No options are defined yet", kXMPErr_BadOptions );
XMP_Assert ( this->tree.parent == 0 );
clone->tree.ClearNode();
clone->tree.options = this->tree.options;
clone->tree.name = this->tree.name;
clone->tree.value = this->tree.value;
#if 0 // *** XMP_DebugBuild
clone->tree._namePtr = clone->tree.name.c_str();
clone->tree._valuePtr = clone->tree.value.c_str();
#endif
CloneOffspring ( &this->tree, &clone->tree );
} // Clone
// =================================================================================================