int XmpParser::encode( std::string& xmpPacket,
const XmpData& xmpData)
{
if (!xmpData.empty()) {
#ifndef SUPPRESS_WARNINGS
std::cerr << "Warning: XMP toolkit support not compiled in.\n";
#endif
}
return 1;
} // XmpParser::encode
int XmpParser::decode( XmpData& xmpData,
const std::string& xmpPacket)
{
xmpData.clear();
if (!xmpPacket.empty()) {
#ifndef SUPPRESS_WARNINGS
std::cerr << "Warning: XMP toolkit support not compiled in.\n";
#endif
}
return 1;
} // XmpParser::decode
int XmpParser::encode( std::string& /*xmpPacket*/,
const XmpData& xmpData,
uint16_t /*formatFlags*/,
uint32_t /*padding*/)
{
if (!xmpData.empty()) {
#ifndef SUPPRESS_WARNINGS
std::cerr << "Warning: XMP toolkit support not compiled in.\n";
#endif
}
return 1;
} // XmpParser::encode
ByteOrder ExifParser::decode(
ExifData& exifData,
const byte* pData,
uint32_t size
)
{
IptcData iptcData;
XmpData xmpData;
ByteOrder bo = TiffParser::decode(exifData,
iptcData,
xmpData,
pData,
size);
#ifndef SUPPRESS_WARNINGS
if (!iptcData.empty()) {
EXV_WARNING << "Ignoring IPTC information encoded in the Exif data.\n";
}
if (!xmpData.empty()) {
EXV_WARNING << "Ignoring XMP information encoded in the Exif data.\n";
}
#endif
return bo;
} // ExifParser::decode
int XmpParser::encode( std::string& xmpPacket,
const XmpData& xmpData,
uint16_t formatFlags,
uint32_t padding)
{ try {
if (xmpData.empty()) {
xmpPacket.clear();
return 0;
}
if (!initialize()) {
#ifndef SUPPRESS_WARNINGS
std::cerr << "XMP Toolkit initialization failed.\n";
#endif
return 2;
}
SXMPMeta meta;
for (XmpData::const_iterator i = xmpData.begin(); i != xmpData.end(); ++i) {
const std::string ns = XmpProperties::ns(i->groupName());
XMP_OptionBits options = 0;
if (i->typeId() == langAlt) {
// Encode Lang Alt property
const LangAltValue* la = dynamic_cast<const LangAltValue*>(&i->value());
if (la == 0) throw Error(43, i->key());
int idx = 1;
// write the default first
LangAltValue::ValueType::const_iterator k = la->value_.find("x-default");
if (k != la->value_.end()) {
#ifdef DEBUG
printNode(ns, i->tagName(), k->second, 0);
#endif
meta.AppendArrayItem(ns.c_str(), i->tagName().c_str(), kXMP_PropArrayIsAlternate, k->second.c_str());
const std::string item = i->tagName() + "[" + toString(idx++) + "]";
meta.SetQualifier(ns.c_str(), item.c_str(), kXMP_NS_XML, "lang", k->first.c_str());
}
for (k = la->value_.begin(); k != la->value_.end(); ++k) {
if (k->first == "x-default") continue;
#ifdef DEBUG
printNode(ns, i->tagName(), k->second, 0);
#endif
meta.AppendArrayItem(ns.c_str(), i->tagName().c_str(), kXMP_PropArrayIsAlternate, k->second.c_str());
const std::string item = i->tagName() + "[" + toString(idx++) + "]";
meta.SetQualifier(ns.c_str(), item.c_str(), kXMP_NS_XML, "lang", k->first.c_str());
}
continue;
}
// Todo: Xmpdatum should have an XmpValue, not a Value
const XmpValue* val = dynamic_cast<const XmpValue*>(&i->value());
assert(val);
options = xmpArrayOptionBits(val->xmpArrayType())
| xmpArrayOptionBits(val->xmpStruct());
if ( i->typeId() == xmpBag
|| i->typeId() == xmpSeq
|| i->typeId() == xmpAlt) {
#ifdef DEBUG
printNode(ns, i->tagName(), "", options);
#endif
meta.SetProperty(ns.c_str(), i->tagName().c_str(), 0, options);
for (int idx = 0; idx < i->count(); ++idx) {
const std::string item = i->tagName() + "[" + toString(idx + 1) + "]";
#ifdef DEBUG
printNode(ns, item, i->toString(idx), 0);
#endif
meta.SetProperty(ns.c_str(), item.c_str(), i->toString(idx).c_str());
}
continue;
}
if (i->typeId() == xmpText) {
if (i->count() == 0) {
#ifdef DEBUG
printNode(ns, i->tagName(), "", options);
#endif
meta.SetProperty(ns.c_str(), i->tagName().c_str(), 0, options);
}
else {
#ifdef DEBUG
printNode(ns, i->tagName(), i->toString(0), options);
#endif
meta.SetProperty(ns.c_str(), i->tagName().c_str(), i->toString(0).c_str(), options);
}
continue;
}
// Don't let any Xmpdatum go by unnoticed
throw Error(38, i->tagName(), TypeInfo::typeName(i->typeId()));
}
std::string tmpPacket;
meta.SerializeToBuffer(&tmpPacket, xmpFormatOptionBits(static_cast<XmpFormatFlags>(formatFlags)), padding); // throws
xmpPacket = tmpPacket;
return 0;
}
catch (const XMP_Error& e) {
#ifndef SUPPRESS_WARNINGS
std::cerr << Error(40, e.GetID(), e.GetErrMsg()) << "\n";
#endif
return 3;
}} // XmpParser::decode
int XmpParser::decode( XmpData& xmpData,
const std::string& xmpPacket)
{ try {
xmpData.clear();
if (xmpPacket.empty()) return 0;
if (!initialize()) {
#ifndef SUPPRESS_WARNINGS
std::cerr << "XMP Toolkit initialization failed.\n";
#endif
return 2;
}
SXMPMeta meta(xmpPacket.data(), static_cast<XMP_StringLen>(xmpPacket.size()));
SXMPIterator iter(meta);
std::string schemaNs, propPath, propValue;
XMP_OptionBits opt;
while (iter.Next(&schemaNs, &propPath, &propValue, &opt)) {
#ifdef DEBUG
printNode(schemaNs, propPath, propValue, opt);
#endif
if (XMP_PropIsAlias(opt)) {
throw Error(47, schemaNs, propPath, propValue);
continue;
}
if (XMP_NodeIsSchema(opt)) {
// Register unknown namespaces with Exiv2
// (Namespaces are automatically registered with the XMP Toolkit)
if (XmpProperties::prefix(schemaNs).empty()) {
std::string prefix;
bool ret = meta.GetNamespacePrefix(schemaNs.c_str(), &prefix);
if (!ret) throw Error(45, schemaNs);
prefix = prefix.substr(0, prefix.size() - 1);
XmpProperties::registerNs(schemaNs, prefix);
}
continue;
}
XmpKey::AutoPtr key = makeXmpKey(schemaNs, propPath);
if (XMP_ArrayIsAltText(opt)) {
// Read Lang Alt property
LangAltValue::AutoPtr val(new LangAltValue);
XMP_Index count = meta.CountArrayItems(schemaNs.c_str(), propPath.c_str());
while (count-- > 0) {
// Get the text
bool haveNext = iter.Next(&schemaNs, &propPath, &propValue, &opt);
#ifdef DEBUG
printNode(schemaNs, propPath, propValue, opt);
#endif
if ( !haveNext
|| !XMP_PropIsSimple(opt)
|| !XMP_PropHasLang(opt)) {
throw Error(41, propPath, opt);
}
const std::string text = propValue;
// Get the language qualifier
haveNext = iter.Next(&schemaNs, &propPath, &propValue, &opt);
#ifdef DEBUG
printNode(schemaNs, propPath, propValue, opt);
#endif
if ( !haveNext
|| !XMP_PropIsSimple(opt)
|| !XMP_PropIsQualifier(opt)
|| propPath.substr(propPath.size() - 8, 8) != "xml:lang") {
throw Error(42, propPath, opt);
}
val->value_[propValue] = text;
}
xmpData.add(*key.get(), val.get());
continue;
}
if ( XMP_PropIsArray(opt)
&& !XMP_PropHasQualifiers(opt)
&& !XMP_ArrayIsAltText(opt)) {
// Check if all elements are simple
bool simpleArray = true;
SXMPIterator aIter(meta, schemaNs.c_str(), propPath.c_str());
std::string aSchemaNs, aPropPath, aPropValue;
XMP_OptionBits aOpt;
while (aIter.Next(&aSchemaNs, &aPropPath, &aPropValue, &aOpt)) {
if (propPath == aPropPath) continue;
if ( !XMP_PropIsSimple(aOpt)
|| XMP_PropHasQualifiers(aOpt)
|| XMP_PropIsQualifier(aOpt)
|| XMP_NodeIsSchema(aOpt)
|| XMP_PropIsAlias(aOpt)) {
simpleArray = false;
break;
}
}
if (simpleArray) {
// Read the array into an XmpArrayValue
XmpArrayValue::AutoPtr val(new XmpArrayValue(arrayValueTypeId(opt)));
XMP_Index count = meta.CountArrayItems(schemaNs.c_str(), propPath.c_str());
while (count-- > 0) {
iter.Next(&schemaNs, &propPath, &propValue, &opt);
#ifdef DEBUG
printNode(schemaNs, propPath, propValue, opt);
#endif
val->read(propValue);
}
xmpData.add(*key.get(), val.get());
continue;
}
}
XmpTextValue::AutoPtr val(new XmpTextValue);
if ( XMP_PropIsStruct(opt)
|| XMP_PropIsArray(opt)) {
// Create a metadatum with only XMP options
val->setXmpArrayType(xmpArrayType(opt));
val->setXmpStruct(xmpStruct(opt));
xmpData.add(*key.get(), val.get());
continue;
}
if ( XMP_PropIsSimple(opt)
|| XMP_PropIsQualifier(opt)) {
val->read(propValue);
xmpData.add(*key.get(), val.get());
continue;
}
// Don't let any node go by unnoticed
throw Error(39, key->key(), opt);
} // iterate through all XMP nodes
return 0;
}
catch (const XMP_Error& e) {
#ifndef SUPPRESS_WARNINGS
std::cerr << Error(40, e.GetID(), e.GetErrMsg()) << "\n";
#endif
xmpData.clear();
return 3;
}} // XmpParser::decode