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EBUCoreFeatures.cpp
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/*!
* \project_name EBU Player
* \file EBUCoreFeatures.cpp
* \brief EBUCore wrapping features
* \authors Marco Dos Santos Oliveira
* \version 0.1
* \date 28 march 2013
* \copyright This software is published under MPL v2.0
*
*/
#include "EBUCoreFeatures.hpp"
EBUCoreFeatures::EBUCoreFeatures
(
void
)
{
// EBUcore Schemas folder
std::string dir = std::string("./EBUCoreSchema");
// Schemas filenames
std::vector<std::string> files = std::vector<std::string>();
// Get the schemas filenames
getSchemas(dir,files);
//prepare dublin core attributes
DCAttr.push_back(DCAttribute());
// extract all schemas
for (unsigned int i = 0;i < files.size();i++) {
std::cout << files[i] << std::endl;
//std::cout<< "start parsing..."<<std::endl;
extractSchema(dir+"/"+files[i]);
}
// clean the stack and reuse it for skeleton generation
ebucoreStack.clear();
generateSkeleton();
}
EBUCoreFeatures::~EBUCoreFeatures
(
void
)
{
ebucoreStack.clear();
ebucoremodel.clear();
}
void EBUCoreFeatures::UnwrapEBUCore
(
std::string MXFFilename
)
{
// init bmx
bmx::connect_libmxf_logging();
// extract ebucore metadata
try
{
dom_doc = &EBUSDK::EBUCore::ExtractEBUCoreMetadata
(
MXFFilename.c_str(),
&progress_cb
);
dom_root = dom_doc->getDocumentElement();
}
catch (std::exception& e)
{
std::cout << "Standard exception: " << e.what() << std::endl;
}
}
void EBUCoreFeatures::UnwrapEBUCore
(
std::string MXFFilename,
std::string XMLEBUCoreOutputFilename
)
{
// init bmx
bmx::connect_libmxf_logging();
// extract ebucore metadata
EBUSDK::EBUCore::ExtractEBUCoreMetadata
(
MXFFilename.c_str(),
XMLEBUCoreOutputFilename.c_str(),
&progress_cb
);
}
void EBUCoreFeatures::eraseEBUCore
(
std::string MXFFilename
)
{
// init bmx
bmx::connect_libmxf_logging();
// remove ebucore metadatas
EBUSDK::EBUCore::RemoveEBUCoreMetadata
(
MXFFilename.c_str(),
&progress_cb
);
}
void EBUCoreFeatures::eraseEBUCore
(
std::string MXFFilename,
std::string XMLEBUCoreOutputFilename
)
{
// init bmx
bmx::connect_libmxf_logging();
// extract ebucore metadatas
EBUSDK::EBUCore::ExtractEBUCoreMetadata
(
MXFFilename.c_str(),
XMLEBUCoreOutputFilename.c_str(),
&progress_cb
);
// remove ebucore metadatas
EBUSDK::EBUCore::RemoveEBUCoreMetadata
(
MXFFilename.c_str(),
&progress_cb
);
}
void EBUCoreFeatures::WrapEBUCore
(
std::string MXFFilename,
std::string XMLEBUCoreFilename,
bool setHeader,
bool isDark,
bool isSidecar
)
{
// init bmx
bmx::connect_libmxf_logging();
EBUSDK::EBUCore::EmbedEBUCoreMetadata
(
XMLEBUCoreFilename.c_str(),
MXFFilename.c_str(),
&progress_cb,
(EBUSDK::EBUCore::MetadataKind)(isSidecar) ?
EBUSDK::EBUCore::SIDECAR
: ((isDark) ?
EBUSDK::EBUCore::DARK :
EBUSDK::EBUCore::KLV_ENCODED
),
false,
setHeader
);
}
void EBUCoreFeatures::WrapEBUCore
(
std::string MXFFilename,
bool setHeader,
bool isDark,
bool isSidecar,
std::string XMLEBUCoreFilename
)
{
// init bmx
bmx::connect_libmxf_logging();
EBUSDK::EBUCore::EmbedEBUCoreMetadata
(
*dom_doc,
XMLEBUCoreFilename.c_str(),
MXFFilename.c_str(),
&progress_cb,
(EBUSDK::EBUCore::MetadataKind)(isSidecar) ?
EBUSDK::EBUCore::SIDECAR
: ((isDark) ?
EBUSDK::EBUCore::DARK :
EBUSDK::EBUCore::KLV_ENCODED
),
false,
setHeader
);
}
xercesc::DOMDocument * EBUCoreFeatures::getEBUCore
(
void
)
{
return dom_doc;
}
bool EBUCoreFeatures::hasEBUCore
(
void
)
{
return (dom_doc != 0);
}
void EBUCoreFeatures::setEBUCore
(
xercesc::DOMDocument * new_dom_doc
)
{
dom_doc = new_dom_doc;
}
void EBUCoreFeatures::progress_cb
(
float progress,
EBUSDK::EBUCore::ProgressCallbackLevel level,
const char *function,
const char *msg_format,
...
)
{
// append a newline to the msg_format string
int len = strlen(msg_format);
char* newline_msg_format =(char*)malloc((len+2) * sizeof(char));
strncpy(newline_msg_format, msg_format, len); newline_msg_format[len] = 0;
strncat(newline_msg_format, "\n", 1);
va_list p_arg;
va_start(p_arg, msg_format);
switch (level) {
case EBUSDK::EBUCore::INFO:
bmx::log_info(newline_msg_format, p_arg); return;
case EBUSDK::EBUCore::DEBUG:
case EBUSDK::EBUCore::TRACE:
bmx::log_debug(newline_msg_format, p_arg); return;
case EBUSDK::EBUCore::ERROR:
bmx::log_error(newline_msg_format, p_arg); return;
case EBUSDK::EBUCore::WARN:
bmx::log_warn(newline_msg_format, p_arg); return;
default :
bmx::log_warn(newline_msg_format, p_arg);
};
va_end(p_arg);
free(newline_msg_format);
}
// get the path to the schemas
int EBUCoreFeatures::getSchemas
(
std::string dir,
std::vector<std::string> &files
)
{
DIR *dp;
struct dirent *dirp;
// if opening folder fail then
if((dp = opendir(dir.c_str())) == NULL) {
// display error message
std::cout << "Error(" << errno << ") opening " << dir << std::endl;
return errno;
}
// while not the end of folder
while ((dirp = readdir(dp)) != NULL) {
// if it is am xsd file then
if (dirp->d_type == DT_REG and genericFeatures::isExtension(dirp->d_name, "xsd"))
// save the schema filename inside the vector
files.push_back(std::string(dirp->d_name));
}
closedir(dp); // close folder
return 0;
}
// extract a schema
void EBUCoreFeatures::extractSchema
(
std::string pathtofile
)
{
// init xercesc
xercesc::XMLPlatformUtils::Initialize();
xercesc::DOMImplementation* dom_xsd = xercesc::DOMImplementationRegistry::getDOMImplementation(xercesc::XMLString::transcode(""));
xercesc::DOMLSParser* dom_file = dom_xsd->createLSParser(xercesc::DOMImplementationLS::MODE_SYNCHRONOUS, 0);
// extract xml DOM document and element
xercesc::DOMDocument* schema_doc = dom_file->parseURI(pathtofile.c_str());
xercesc::DOMElement* schema_root = schema_doc->getDocumentElement();
// put the cursor at the beginning
schema_root = schema_root->getFirstElementChild();
schema_root = schema_root->getNextElementSibling()->getNextElementSibling();
// generate and store the ebucore root
ebucoremodel.push_back(constructSchema(schema_root));
}
// wrap element attribute
EBUCoreFeatures::AttributeStruct EBUCoreFeatures::packAttribute
(
xercesc::DOMElement * el
)
{
// prepare the attribute struct
EBUCoreFeatures::AttributeStruct attr;
// grab the attributes
std::string name (xercesc::XMLString::transcode(el->getAttribute (xercesc::XMLString::transcode("name"))));
std::string ref (xercesc::XMLString::transcode(el->getAttribute (xercesc::XMLString::transcode("ref"))));
std::string type (xercesc::XMLString::transcode(el->getAttribute (xercesc::XMLString::transcode("type"))));
std::string byDefault (xercesc::XMLString::transcode(el->getAttribute (xercesc::XMLString::transcode("default"))));
// wrap the attribute
attr.name = ((name.size()>0)?name:ref);
attr.type = ((type.size()>0)?type:"string");
attr.hasDefaultValue = ((byDefault.size()>0)?true:false);
attr.defaultValue = ((byDefault.size()>0)?byDefault:"NULL");
// wrap the attribute enumeration
attr.hasEnumeration = false;
std::vector<std::string> attrEnum;
attr.Enumeration = attrEnum;
// return the attribute
return attr;
}
// generate the attributes of an element
std::list<EBUCoreFeatures::AttributeStruct> EBUCoreFeatures::generateAttributes
(
std::string father,
xercesc::DOMElement * el
)
{
// groupName to store the attributeGroups
std::vector<std::string> groupName;
// attributes list
std::list<EBUCoreFeatures::AttributeStruct> attributes;
// when father type hasn't a name, that means the type is implicit
if (father =="") {
// we must save the current position
xercesc::DOMElement * tmp = el->getFirstElementChild();
while (tmp != 0 and (std::string)(xercesc::XMLString::transcode(tmp->getTagName())) != "complexType") {
tmp = tmp->getNextElementSibling();// next
}
// and looking for the implicit father complexType (without name)
if (tmp != 0 and (std::string)(xercesc::XMLString::transcode(tmp->getTagName())) == "complexType" ) {
// when the complexType is identified, put the cursor inside the first child
tmp = tmp->getFirstElementChild();
// while xercesc pointer not null
while (tmp != 0) {
// if attribute is a simpleContent
if ((std::string)(xercesc::XMLString::transcode(tmp->getTagName())) == "simpleContent") {
// grab the first child of the first child of the current element
xercesc::DOMElement * localTmp = tmp->getFirstElementChild()->getFirstElementChild();
// if xercersc pointer not null
while (localTmp != 0) {
// if attribute is a simple attribute
if ((std::string)(xercesc::XMLString::transcode(localTmp->getTagName())) == "attribute" ) {
// wrap and push the attribute
attributes.push_back(packAttribute(localTmp));
// if attribute is an attributeGroup
} else if ((std::string)(xercesc::XMLString::transcode(localTmp->getTagName())) == "attributeGroup" ) {
// push the attributeGroup name inside the attributeGroup stack
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(localTmp->getAttribute (xercesc::XMLString::transcode("ref")))),":" ));
}
// next element...
localTmp = localTmp->getNextElementSibling();
}
// if attribute is a complexContent
} else if ((std::string)(xercesc::XMLString::transcode(tmp->getTagName())) == "complexContent") {
// grab the first child of the current element
xercesc::DOMElement * localTmp = tmp->getFirstElementChild();
// if it is a DublinCore attribute
if (isDCSimpleType((std::string)(xercesc::XMLString::transcode(localTmp->getAttribute (xercesc::XMLString::transcode("base")))))) {
//push the dublincore attribute
attributes.push_back(DCAttribute());
} else {
// if it is not a dublincore attribute, that means that is an attributeGroup or external attribute
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(localTmp->getAttribute (xercesc::XMLString::transcode("base")))),":" ));
}
// enter inside the current element
localTmp = localTmp->getFirstElementChild();
// in plus of external attribute and attributeGroup treatments, we can have
// several local attributes and attributeGroups to solve
// if xercesc pointer is not null
while (localTmp != 0) {
// if it is a simple attribute
if ((std::string)(xercesc::XMLString::transcode(localTmp->getTagName())) == "attribute" ) {
// wrap and push the attribute
attributes.push_back(packAttribute(localTmp));
// if it is an attributeGroup
} else if ((std::string)(xercesc::XMLString::transcode(localTmp->getTagName())) == "attributeGroup" ) {
// save the attributeGroup name/reference...
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(localTmp->getAttribute (xercesc::XMLString::transcode("ref")))),":"));
}
// next element...
localTmp = localTmp->getNextElementSibling();
}
// if attribute is an attributeGroup
} else if ((std::string)(xercesc::XMLString::transcode(tmp->getTagName())) == "attributeGroup"){
// save the attributeGroup name/reference
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(tmp->getAttribute (xercesc::XMLString::transcode("ref")))), ":" ));
// if attribute is a simple attribute
} else if ((std::string)(xercesc::XMLString::transcode(tmp->getTagName())) == "attribute") {
// wrap and push the attribute
attributes.push_back(packAttribute(tmp));
}
// next...
tmp = tmp->getNextElementSibling();
}
}
}
// We don't know if the father is an implicit complexType who references
// an external attributeGroup, so we consider it as an external references
if (father!="") {
groupName.push_back(father);
}
// for each external attributeGroup, build the set of attributes
for (int i=0;i<(int)groupName.size();i++) {
// pointer starter...
xercesc::DOMElement * tmpEl = el;
// looking for the root of the schema document
while ((std::string)(xercesc::XMLString::transcode((tmpEl->getParentNode())->getNodeName())) != "schema") {
tmpEl = dynamic_cast<xercesc::DOMElement*>(tmpEl->getParentNode());
}
// grab the first child of the schema
tmpEl=(dynamic_cast<xercesc::DOMElement*>(tmpEl->getParentNode()))->getFirstElementChild();
// looking for a complexType or an attributeGroup with the right name
while (((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexType" and xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) != groupName.at(i) ) or ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "attributeGroup" and xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) != groupName.at(i))) {
tmpEl = tmpEl->getNextElementSibling();
}
//grab the first child
tmpEl=tmpEl->getFirstElementChild();
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "complexContent")
{
tmpEl=tmpEl->getFirstElementChild();
if (!isDCSimpleType(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("base")))))
{
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("base")))), ":" ));
} else {
attributes.push_back(DCAttribute());
}
tmpEl=tmpEl->getFirstElementChild();
}
else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "simpleContent")
{
tmpEl=tmpEl->getFirstElementChild();
// must be completed !!!!
tmpEl=tmpEl->getFirstElementChild();
}
// while xerces pointer not null
do {
// and if the element is an attribute
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "attribute") {
// wrap and push the attribute
attributes.push_back(packAttribute(tmpEl));
}
else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "attributeGroup")
{
groupName.push_back(genericFeatures::removePrefix ((std::string)(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("ref")))), ":" ));
}
// next
tmpEl = tmpEl->getNextElementSibling();
} while (tmpEl != 0);
}
return attributes;
}
std::list<std::list<std::string>> EBUCoreFeatures::generateChoices
(
std::string father,
xercesc::DOMElement * el
)
{
//std::cout<<"I'm trying to generate choices for "<<father<<std::endl;
std::list<std::list<std::string>> choices;
// copy the current position of xercesc pointer
if (father != "")
{
xercesc::DOMElement * tmpEl = el;
// while xercesc pointer not null, element different of complexType with the proper name
while (tmpEl != 0 and ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexType" or xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) != father ))
{
tmpEl = tmpEl->getNextElementSibling();// next
}
if (tmpEl != 0) {
// grab the first child of proper element
tmpEl=tmpEl->getFirstElementChild();
// looking for the choice/sequence of elements
while (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "choice" and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "sequence")
{
tmpEl = tmpEl->getNextElementSibling(); // next
}
if (tmpEl != 0)
{
// if not yet choice tag, then continu to look for choice of elements
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "choice")
{
tmpEl=tmpEl->getFirstElementChild();
}
// looking for choice tag
while (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "choice")
{
tmpEl = tmpEl->getNextElementSibling(); // next
}
// if pointer not null, grab the first child of the current choice
if (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "choice")
{
tmpEl=tmpEl->getFirstElementChild();
}
// generate the choice list
while (tmpEl != 0)
{
std::list<std::string> tmp;
// if it's element tag
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "element")
{
tmp.push_back((std::string)(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name")))));
}
// else, it's a sequence tag
else
{
xercesc::DOMElement * local = tmpEl->getFirstElementChild();
// looking for element tags inside sequence tag
while (local != 0)
{
if ((std::string)(xercesc::XMLString::transcode(local->getTagName())) == "element")
{
tmp.push_back((std::string)(xercesc::XMLString::transcode(local->getAttribute (xercesc::XMLString::transcode("name")))));
}
local = local->getNextElementSibling(); // next
}
}
choices.push_back(tmp); // push the choice list
tmpEl = tmpEl->getNextElementSibling(); // next
}
}
}
}
return choices;
}
// generate the children of an elements
std::list<EBUCoreFeatures::ElementStruct> EBUCoreFeatures::generateLocalChildren
(
std::string father,
xercesc::DOMElement * el,
xercesc::DOMElement * cursor
)
{
//std::cout<<(std::string)(xercesc::XMLString::transcode(cursor->getTagName()))<<std::endl;
// instantiate the children list
std::list<EBUCoreFeatures::ElementStruct> children;
// copy the current position of xercesc pointer
xercesc::DOMElement * tmpEl = cursor;
while (tmpEl != 0 and ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexType"))
{
tmpEl = tmpEl->getNextElementSibling();
}
if (tmpEl != 0)
{
tmpEl=tmpEl->getFirstElementChild();
}
while (tmpEl != 0 and ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "sequence"))
{
tmpEl = tmpEl->getNextElementSibling();
}
if (tmpEl != 0)
{
tmpEl=tmpEl->getFirstElementChild();
}
while (tmpEl != 0)
{
// if current tag kind is element
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "element") {
// prepare the element information
std::string name (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))));
std::string type (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("type"))));
std::string ref (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("ref"))));
std::string min (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("minOccurs"))));
std::string max (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("maxOccurs"))));
// instantiate the children struct
EBUCoreFeatures::ElementStruct internalChildren;
// grab the right name/references
internalChildren.name = (name.size()>0)?name:ref;
// identify the cardinality and the type of element
internalChildren.minCardinality = ((min.size()>0)?atoi(min.c_str()):1);
internalChildren.maxCardinality = ((max.size()>0)?isUnbounded(max):1);
internalChildren.type = ( (type.size()>0) ? type : "" );
internalChildren.choices = generateChoices(((isEBUCoreType(internalChildren.type))?genericFeatures::removePrefix(internalChildren.type, ":"):""), el);
// if type is not standard
if (!isStandardType(type)) {
// if type is not null
if (type.size()>0) {
//generate the attribute list of the current element
internalChildren.attribute = (isDCSimpleType(type)) ? DCAttr : generateAttributes(genericFeatures::removePrefix(internalChildren.type, ":"), tmpEl);
// and correct his type if required
internalChildren.type = ( (isDCSimpleType(type)) ? DCType() : internalChildren.type );
} else {
// generate the attribute list of the current element and correct his type if required
internalChildren.attribute = (isDCSimpleType(internalChildren.name))? DCAttr : generateAttributes("", tmpEl);
internalChildren.type = ( (isDCSimpleType(internalChildren.name)) ? DCType() : "") ;
}
}
// if element type is ebucore and the type not present in the stack, then
if (isEBUCoreType(internalChildren.type) and !groupExist(internalChildren.type)) {
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateChildren(genericFeatures::removePrefix(internalChildren.type,":"), el);
ebucoreStack.pop_back(); // pop the type
}
else if (internalChildren.type == "" and tmpEl->getFirstElementChild() != 0)
{
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateLocalChildren("", el, tmpEl->getFirstElementChild());
ebucoreStack.pop_back(); // pop the type
}
// push the children list
children.push_back(internalChildren);
// if the current tag king is group, then
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "group") {
// generate the children of this group and then add it to current list of children
children = generateGroupChildren
(
children,
xercesc::XMLString::transcode
(
tmpEl->getAttribute
(
xercesc::XMLString::transcode("ref")
)
),
el
);
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "choice")
{
children = generateChoiceChildren(children, tmpEl, el);
}
tmpEl = tmpEl->getNextElementSibling(); // next
}
// enter
return children;
}
// generate the children of an elements
std::list<EBUCoreFeatures::ElementStruct> EBUCoreFeatures::generateChildren
(
std::string father,
xercesc::DOMElement * el
)
{
// instantiate the children list
// extension should stay empty
std::string localExtension("");
std::list<EBUCoreFeatures::ElementStruct> children;
// copy the current position of xercesc pointer
xercesc::DOMElement * tmpEl = el;
// while xercesc pointer not null, element different of complexType with the proper name
while (tmpEl != 0 and ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexType" or xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) != father )) {
tmpEl = tmpEl->getNextElementSibling();// next
}
// grab the first child of proper element
tmpEl=tmpEl->getFirstElementChild();
// looking for the sequence of elements
while (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "choice" and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "sequence" and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexContent")
{
tmpEl = tmpEl->getNextElementSibling(); // next
}
if (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "complexContent" and father != "")
{
tmpEl=tmpEl->getFirstElementChild();
localExtension =(std::string)(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("base"))));
tmpEl=tmpEl->getFirstElementChild();
}
// if pointer not null, grab the first child of the current element
if (tmpEl != 0)
{
tmpEl=tmpEl->getFirstElementChild();
}
// while xerces point not null, loop
while (tmpEl != 0) {
// if current tag kind is element
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "element") {
// prepare the element information
std::string name (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))));
std::string type (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("type"))));
std::string ref (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("ref"))));
std::string min (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("minOccurs"))));
std::string max (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("maxOccurs"))));
// instantiate the children struct
EBUCoreFeatures::ElementStruct internalChildren;
// grab the right name/references
internalChildren.name = (name.size()>0)?name:ref;
// identify the cardinality and the type of element
internalChildren.minCardinality = ((min.size()>0)?atoi(min.c_str()):1);
internalChildren.maxCardinality = ((max.size()>0)?isUnbounded(max):1);
internalChildren.type = ( (type.size()>0) ? type : "" );
internalChildren.choices = generateChoices(((isEBUCoreType(internalChildren.type))?genericFeatures::removePrefix(internalChildren.type, ":"):""), el);
// if type is not standard
if (!isStandardType(type)) {
// if type is not null
if (type.size()>0) {
//generate the attribute list of the current element
internalChildren.attribute = (isDCSimpleType(type)) ? DCAttr : generateAttributes(genericFeatures::removePrefix(internalChildren.type, ":"), tmpEl);
// and correct his type if required
internalChildren.type = ( (isDCSimpleType(type)) ? DCType() : internalChildren.type );
} else {
// generate the attribute list of the current element and correct his type if required
internalChildren.attribute = (isDCSimpleType(internalChildren.name))? DCAttr : generateAttributes("", tmpEl);
internalChildren.type = ( (isDCSimpleType(internalChildren.name)) ? DCType() : "") ;
}
}
// if element type is ebucore and the type not present in the stack, then
if (isEBUCoreType(internalChildren.type) and !groupExist(internalChildren.type)) {
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateChildren(genericFeatures::removePrefix(internalChildren.type,":"), el);
ebucoreStack.pop_back(); // pop the type
}
else if (internalChildren.type == "" and tmpEl->getFirstElementChild() != 0)
{
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateLocalChildren("", el, tmpEl->getFirstElementChild());
ebucoreStack.pop_back(); // pop the type
}
// push the children list
children.push_back(internalChildren);
// if the current tag king is group, then
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "group") {
// generate the children of this group and then add it to current list of children
children = generateGroupChildren
(
children,
xercesc::XMLString::transcode
(
tmpEl->getAttribute
(
xercesc::XMLString::transcode("ref")
)
),
el
);
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "choice")
{
children = generateChoiceChildren(children, tmpEl, el);
}
tmpEl = tmpEl->getNextElementSibling(); // next
}
if (localExtension != "" and localExtension != "dc:elementType")
{
children = generateExtensionChildren
(
children,
genericFeatures::removePrefix(localExtension,":"),
el
);
}
/* std::cout<<"fathertype : "<<father<<std::endl;
for (std::list<EBUCoreFeatures::ElementStruct>::iterator it=children.begin() ; it != children.end(); ++it)
{
EBUCoreFeatures::ElementStruct child = *it;
std::cout<<" : "<<child.name<<std::endl;
}
*/
return children;
}
std::list<EBUCoreFeatures::ElementStruct> EBUCoreFeatures::generateExtensionChildren
(
std::list<ElementStruct> brothers,
std::string father,
xercesc::DOMElement * el
)
{
std::string localExtension("");
std::list<EBUCoreFeatures::ElementStruct> children = brothers;
// store the current position of xercesc pointer
xercesc::DOMElement * tmpEl = el;
// while xercesc pointer not null, element different of complexType with the proper name
while (tmpEl != 0 and ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexType" or xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) != father )) {
tmpEl = tmpEl->getNextElementSibling();// next
}
// grab the first child of proper element
tmpEl=tmpEl->getFirstElementChild();
// looking for the sequence of elements
while (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "choice" and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "sequence" and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "complexContent")
{
tmpEl = tmpEl->getNextElementSibling(); // next
}
if (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "complexContent" and father != "")
{
tmpEl=tmpEl->getFirstElementChild();
localExtension =(std::string)(xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("base"))));
tmpEl=tmpEl->getFirstElementChild();
}
// if pointer not null, grab the first child of the current element
if (tmpEl != 0)
{
tmpEl=tmpEl->getFirstElementChild();
}
// while xerces point not null, loop
while (tmpEl != 0) {
// if current tag kind is element
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "element") {
// prepare the element information
std::string name (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))));
std::string type (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("type"))));
std::string ref (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("ref"))));
std::string min (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("minOccurs"))));
std::string max (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("maxOccurs"))));
// instantiate the children struct
EBUCoreFeatures::ElementStruct internalChildren;
// grab the right name/references
internalChildren.name = (name.size()>0)?name:ref;
// identify the cardinality and the type of element
internalChildren.minCardinality = ((min.size()>0)?atoi(min.c_str()):1);
internalChildren.maxCardinality = ((max.size()>0)?isUnbounded(max):1);
internalChildren.type = ( (type.size()>0) ? type : "" );
internalChildren.choices = generateChoices(((isEBUCoreType(internalChildren.type))?genericFeatures::removePrefix(internalChildren.type, ":"):""), el);
// if type is not standard
if (!isStandardType(type)) {
// if type is not null
if (type.size()>0) {
//generate the attribute list of the current element
internalChildren.attribute = (isDCSimpleType(type)) ? DCAttr : generateAttributes(genericFeatures::removePrefix(internalChildren.type, ":"), tmpEl);
// and correct his type if required
internalChildren.type = ( (isDCSimpleType(type)) ? DCType() : internalChildren.type );
} else {
// generate the attribute list of the current element and correct his type if required
internalChildren.attribute = (isDCSimpleType(internalChildren.name))? DCAttr : generateAttributes("", tmpEl);
internalChildren.type = ( (isDCSimpleType(internalChildren.name)) ? DCType() : "") ;
}
}
// if element type is ebucore and the type not present in the stack, then
if (isEBUCoreType(internalChildren.type) and !groupExist(internalChildren.type)) {
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateChildren(genericFeatures::removePrefix(internalChildren.type,":"), el);
ebucoreStack.pop_back(); // pop the type
}
else if (internalChildren.type == "" and tmpEl->getFirstElementChild() != 0)
{
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateLocalChildren("", el, tmpEl->getFirstElementChild());
ebucoreStack.pop_back(); // pop the type
}
// push the children list
children.push_back(internalChildren);
// if the current tag king is group, then
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "group") {
// generate the children of this group and then add it to current list of children
children = generateGroupChildren
(
children,
xercesc::XMLString::transcode
(
tmpEl->getAttribute
(
xercesc::XMLString::transcode("ref")
)
),
el
);
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "choice")
{
children = generateChoiceChildren(children, tmpEl, el);
}
tmpEl = tmpEl->getNextElementSibling(); // next
}
if (localExtension != "" and localExtension != "dc:elementType")
{
children = generateExtensionChildren
(
children,
genericFeatures::removePrefix(localExtension,":"),
el
);
}
return children;
}
// include external elements (from groups)
std::list<EBUCoreFeatures::ElementStruct> EBUCoreFeatures::generateGroupChildren
(
std::list<ElementStruct> brothers,
std::string father,
xercesc::DOMElement * el
)
{
std::list<EBUCoreFeatures::ElementStruct> children = brothers;
// store the current position of xercesc pointer
xercesc::DOMElement * tmpEl = el;
// looking for the group who contains the other elements with the father name
while (tmpEl != 0 and not ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "group" and xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))) == genericFeatures::removePrefix(father,":") )) {
tmpEl = tmpEl->getNextElementSibling();
}
// enter inside the group
tmpEl=tmpEl->getFirstElementChild();
// looking for the sequence
while (tmpEl != 0 and (std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) != "sequence") {
tmpEl = tmpEl->getNextElementSibling();
}
// if pointer not null, grab the first child
if (tmpEl != 0) {
tmpEl=tmpEl->getFirstElementChild();
}
// while xerces pointer not null,
while (tmpEl != 0) {
// if it's an element
if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "element") {
// prepare the element informations
std::string name (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("name"))));
std::string type (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("type"))));
std::string ref (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("ref"))));
std::string min (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("minOccurs"))));
std::string max (xercesc::XMLString::transcode(tmpEl->getAttribute (xercesc::XMLString::transcode("maxOccurs"))));
// instantiate the list of children
EBUCoreFeatures::ElementStruct internalChildren;
// identify the element name
internalChildren.name = (name.size()>0)?name:ref;
internalChildren.hasChoice = false;
// identify the cardinality and type
internalChildren.minCardinality = ((min.size()>0)?atoi(min.c_str()):1);
internalChildren.maxCardinality = ((max.size()>0)?isUnbounded(max):1);
internalChildren.type = ( (type.size()>0) ? type : "" );
internalChildren.choices = generateChoices(((isEBUCoreType(internalChildren.type))?genericFeatures::removePrefix(internalChildren.type, ":"):""), el);
// if it is not a standard type
if (!isStandardType(type)) {
// and if type is not null
if (type.size()>0) {
// generate attributes
internalChildren.attribute = (isDCSimpleType(type)) ? DCAttr : generateAttributes(genericFeatures::removePrefix(internalChildren.type, ":"), tmpEl);
// and correct the type is required
internalChildren.type = ( (isDCSimpleType(type)) ? DCType() : internalChildren.type );
} else {
// generate attributes and correct the type is required
internalChildren.attribute = (isDCSimpleType(internalChildren.name))? DCAttr : generateAttributes("", tmpEl);
internalChildren.type = ( (isDCSimpleType(internalChildren.name)) ? DCType() : "") ;
}
}
// if it is an ebucore element and the type of this element is not present in the element type stack
if (isEBUCoreType(internalChildren.type) and !groupExist(internalChildren.type)) {
// push the type
ebucoreStack.push_back(internalChildren.type);
// generate children
internalChildren.children = generateChildren(genericFeatures::removePrefix(internalChildren.type,":"), el);
// pop the type
ebucoreStack.pop_back();
}
else if (internalChildren.type == "" and tmpEl->getFirstElementChild() != 0)
{
ebucoreStack.push_back(internalChildren.type); // push the type
// generate the children
internalChildren.children = generateLocalChildren("", el, tmpEl->getFirstElementChild());
ebucoreStack.pop_back(); // pop the type
}
//push the internal child
children.push_back(internalChildren);
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "group") {
// generate the children of this group and then add it to current list of children
children = generateGroupChildren
(
children,
xercesc::XMLString::transcode
(
tmpEl->getAttribute
(
xercesc::XMLString::transcode("ref")
)
),
el
);
} else if ((std::string)(xercesc::XMLString::transcode(tmpEl->getTagName())) == "choice")
{
children = generateChoiceChildren(children, tmpEl, el);
}
// next
tmpEl = tmpEl->getNextElementSibling();
}
return children;
}
// include external elements (from groups)
std::list<EBUCoreFeatures::ElementStruct> EBUCoreFeatures::generateChoiceChildren
(
std::list<ElementStruct> brothers,
xercesc::DOMElement * el,
xercesc::DOMElement * parent
)
{