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// =================================================================================================
// Copyright 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.
// =================================================================================================
/**
* Demonstrates how to use the iteration utility in the XMPCore component to walk through property trees.
*/
#include <cstdio>
#include <vector>
#include <string>
#include <cstring>
//#define ENABLE_XMP_CPP_INTERFACE 1;
// Must be defined to instantiate template classes
#define TXMP_STRING_TYPE std::string
// Must be defined to give access to XMPFiles
#define XMP_INCLUDE_XMPFILES 1
// Ensure XMP templates are instantiated
#include "public/include/XMP.incl_cpp"
// Provide access to the API
#include "public/include/XMP.hpp"
#include <iostream>
using namespace std;
// Provide some custom XMP
static const char * rdf =
"<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>"
" <rdf:Description rdf:about='' xmlns:xmpTest='http://ns.adobe.com/xmpTest/'>"
""
" <xmpTest:MySimpleProp rdf:parseType='Resource'>"
" <rdf:value>A Value</rdf:value>"
" <xmpTest:MyQual>Qual Value</xmpTest:MyQual>"
" </xmpTest:MySimpleProp>"
""
" <xmpTest:MyTopStruct rdf:parseType='Resource'>"
" <xmpTest:MySecondStruct rdf:parseType='Resource'>"
" <xmpTest:MyThirdStruct rdf:parseType='Resource'>"
" <xmpTest:MyThirdStructField>Field Value 3</xmpTest:MyThirdStructField>"
" </xmpTest:MyThirdStruct>"
" <xmpTest:MySecondStructField>Field Value 2</xmpTest:MySecondStructField>"
" </xmpTest:MySecondStruct>"
" <xmpTest:MyTopStructField>Field Value 1</xmpTest:MyTopStructField>"
" </xmpTest:MyTopStruct>"
" <xmpTest:MyArrayWithNestedArray>"
" <rdf:Bag>"
" <rdf:li>"
" <rdf:Seq>"
" <rdf:li>Item 1</rdf:li>"
" <rdf:li>Item 2</rdf:li>"
" </rdf:Seq>"
" </rdf:li>"
" </rdf:Bag>"
" </xmpTest:MyArrayWithNestedArray>"
" <xmpTest:MyArrayWithStructures>"
" <rdf:Seq>"
" <rdf:li rdf:parseType='Resource'>"
" <rdf:value>Field Value 1</rdf:value>"
" <xmpTest:FirstQual>Qual Value 1</xmpTest:FirstQual>"
" <xmpTest:SecondQual>Qual Value 2</xmpTest:SecondQual>"
" </rdf:li>"
" <rdf:li rdf:parseType='Resource'>"
" <rdf:value>Field Value 2</rdf:value>"
" <xmpTest:FirstQual>Qual Value 3</xmpTest:FirstQual>"
" <xmpTest:SecondQual>Qual Value 4</xmpTest:SecondQual>"
" </rdf:li>"
" </rdf:Seq>"
" </xmpTest:MyArrayWithStructures>"
""
" <xmpTest:MyStructureWithArray rdf:parseType='Resource'>"
" <xmpTest:NestedArray>"
" <rdf:Bag>"
" <rdf:li>Item 3</rdf:li>"
" <rdf:li>Item 4</rdf:li>"
" <rdf:li>Item 5</rdf:li>"
" <rdf:li>Item 6</rdf:li>"
" </rdf:Bag>"
" </xmpTest:NestedArray>"
" <xmpTest:NestedArray2>"
" <rdf:Bag>"
" <rdf:li>Item 66</rdf:li>"
" <rdf:li>Item 46</rdf:li>"
" <rdf:li>Item 56</rdf:li>"
" <rdf:li>Item 66</rdf:li>"
" </rdf:Bag>"
" </xmpTest:NestedArray2>"
" </xmpTest:MyStructureWithArray>"
""
" </rdf:Description>"
"</rdf:RDF>";
// The namespace to be used. This will be automatically registered
// when the RDF is parsed.
const XMP_StringPtr kXMP_NS_SDK = "http://ns.adobe.com/xmpTest/";
/**
* Reads some metadata from a file and appends some custom XMP to it. Then does several
* iterations, using various iterators. Each iteration is displayed in the console window.
*/
int main()
{
if(SXMPMeta::Initialize())
{
XMP_OptionBits options = 0;
#if UNIX_ENV
options |= kXMPFiles_ServerMode;
#endif
if ( SXMPFiles::Initialize ( options ) ) {
bool ok;
SXMPFiles myFile;
XMP_OptionBits opts = kXMPFiles_OpenForRead | kXMPFiles_OpenUseSmartHandler;
#if MAC_ENV
ok = myFile.OpenFile("../../../../testfiles/Image1.jpg", kXMP_UnknownFile, opts);
#else
ok = myFile.OpenFile("../../../testfiles/Image1.jpg", kXMP_UnknownFile, opts);
#endif
if(ok)
{
SXMPMeta xmp;
myFile.GetXMP(&xmp);
// Add some custom metadata to the XMP object
SXMPMeta custXMP(rdf, (XMP_StringLen) strlen(rdf));
SXMPUtils::ApplyTemplate(&xmp, custXMP, kXMPTemplate_AddNewProperties);
// Store any details from the iter.Next() call
string schemaNS, propPath, propVal;
// Only visit the immediate children that are leaf properties of the Dublin Core schema
SXMPIterator dcLeafIter(xmp, kXMP_NS_DC, (kXMP_IterJustChildren | kXMP_IterJustLeafNodes));
while(dcLeafIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit one property from the XMP Basic schema
SXMPIterator xmpKeywordsIter(xmp, kXMP_NS_XMP, "Keywords", kXMP_IterJustLeafNodes);
while(xmpKeywordsIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit the Dublin Core schema, omit any quailifiers and only
// show the leaf properties
SXMPIterator dcIter(xmp, kXMP_NS_DC, (kXMP_IterOmitQualifiers | kXMP_IterJustLeafNodes));
while(dcIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit the Dublin Core schema, omit any quailifiers,
// show the leaf properties but only return the leaf name and not the full path
SXMPIterator dcIter2(xmp, kXMP_NS_DC, (kXMP_IterOmitQualifiers | kXMP_IterJustLeafNodes | kXMP_IterJustLeafName));
while(dcIter2.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Iterate over a single namespace. Show all properties within
// the Photoshop schema
SXMPIterator exifIter(xmp, kXMP_NS_Photoshop);
while(exifIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Just visit the leaf nodes of EXIF properties. That is just
// properties that may have values.
SXMPIterator exifLeafIter(xmp, kXMP_NS_EXIF, kXMP_IterJustLeafNodes);
while(exifLeafIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Iterate over all properties but skip the EXIF schema and skip the custom schema
// and continue visiting nodes
SXMPIterator skipExifIter (xmp);
while(skipExifIter.Next(&schemaNS, &propPath, &propVal))
{
if(schemaNS == kXMP_NS_EXIF || schemaNS == kXMP_NS_SDK)
{
skipExifIter.Skip(kXMP_IterSkipSubtree);
}
else
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
}
cout << "----------------------------------" << endl;
// Iterate over all properties but skip the EXIF schema
// and any remaining siblings of the current node.
SXMPIterator stopAfterExifIter ( xmp );
while(stopAfterExifIter.Next(&schemaNS, &propPath, &propVal))
{
if(schemaNS == kXMP_NS_EXIF || schemaNS == kXMP_NS_SDK)
{
stopAfterExifIter.Skip(kXMP_IterSkipSiblings);
}
else
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
}
cout << "----------------------------------" << endl;
//////////////////////////////////////////////////////////////////////////////////////
// Iterate over the custom XMP
// Visit the immediate children of this node.
// No qualifiers are visisted as they are below the property being visisted.
SXMPIterator justChildrenIter(xmp, kXMP_NS_SDK, kXMP_IterJustChildren);
while(justChildrenIter.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit the immediate children of this node but only those that may have values.
// No qualifiers are visisted as they are below the property being visisted.
SXMPIterator justChildrenAndLeafIter(xmp, kXMP_NS_SDK, (kXMP_IterJustChildren | kXMP_IterJustLeafNodes));
while(justChildrenAndLeafIter.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit the leaf nodes of TopStructProperty
SXMPIterator myTopStructIter(xmp, kXMP_NS_SDK, "MyTopStruct", kXMP_IterJustLeafNodes);
while(myTopStructIter.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit the leaf nodes of the TopStructProperty but only return the names for
// the leaf components and not the full path
SXMPIterator xmyTopStructIterShortNames(xmp, kXMP_NS_SDK, "MyTopStruct", (kXMP_IterJustLeafNodes | kXMP_IterJustLeafName));
while(xmyTopStructIterShortNames.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit a property and all of the qualifiers
SXMPIterator iterArrayProp (xmp, kXMP_NS_SDK, "ArrayWithStructures", kXMP_IterJustLeafNodes );
while(iterArrayProp.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Visit a property and omit all of the qualifiers
SXMPIterator iterArrayPropNoQual (xmp, kXMP_NS_SDK, "ArrayWithStructures", (kXMP_IterJustLeafNodes | kXMP_IterOmitQualifiers));
while(iterArrayPropNoQual.Next(&schemaNS, &propPath, &propVal))
{
cout << propPath << " = " << propVal << endl;
}
cout << "----------------------------------" << endl;
// Skip a subtree and continue onwards. Once 'Item 4' is found then the we can skip all of the
// siblings of the current node. If the the current node were a top level node the iteration
// would be complete as all siblings would be skipped. However, when 'Item 4' is found the current
// node is not at the top level so there are other nodes further up the tree that still need to be
// visited.
SXMPIterator skipIter (xmp, kXMP_NS_SDK, (kXMP_IterJustLeafNodes | kXMP_IterOmitQualifiers | kXMP_IterJustLeafName));
while(skipIter.Next(&schemaNS, &propPath, &propVal))
{
if(propVal == "Item 4")
{
skipIter.Skip(kXMP_IterSkipSiblings);
}
else
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
}
/*
// Visit all properties and qualifiers
SXMPIterator allPropsIter(xmp);
while(allPropsIter.Next(&schemaNS, &propPath, &propVal))
{
cout << schemaNS << " " << propPath << " = " << propVal << endl;
}
*/
}
}
}
SXMPFiles::Terminate();
SXMPMeta::Terminate();
return 0;
}
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