string
attribute(string name, AttList& atts, string default_val /* = "" */)
{
for(AttList::iterator it = atts.begin(), end = atts.end(); it!=end; ++it)
if( it->first == name )
return it->second;
return default_val;
}
// ----------------------------------------------------------------------
/// Expat C-style callback funcion
void XMLCALL saxreader_start(void *userdata, const char *name, const char **atts)
{
SAXReader* ptr = (SAXReader*) userdata;
AttList a;
for(; *atts; atts += 2)
a.insert( pair<string, string>( atts[0], atts[1] ) );
ptr->handle_start_element(name, a);
}
// Methode qui permet de construire la liste des balises DTD de notre
// classe DtdDocument
void DtdDocument::setBalises( std::list<DtdBalise *> * balises )
// Algorithme :
// -Parcourt la std::list de balise DTD passee en parametre a l'aide des
// iterator de la STL
// -Fait un dynamic_cast en AttList* de chaque element de la liste
// -Si ce cast reussi, ajoute l'element dans la map <mElementsByName> puis
// fait la correspondance entre ce nom d'element et la definition de l'a-
// ttribut.
{
mBalises = balises;
std::list<DtdBalise *>::iterator it = mBalises->begin();
for( ; it != mBalises->end(); it++ )
{
AttList * attList = dynamic_cast<AttList *>( * it );
if( attList )
{
std::map<std::string, DtdElement *>::iterator element;
// Cherche dans la map <mElementsByName> le nom d'element
// correspond a celui de <attList> et met a jour ce nom
// le cas echeant.
element = mElementsByName.find( attList->mElementName );
if( element != mElementsByName.end() )
attList->mElement = element->second;
// Cherche dans la liste des definitions d'attributs une
// correspondance entre l'element de reference de l'attribut
// et le nom d'<element>.
const std::list<AttDef *> * attDefs = attList->getAttDefs();
std::list<AttDef *>::const_iterator it2 = attDefs->begin();
for( ; it2 != attDefs->end(); it2++ )
{
element = mElementsByName.find( (*it2)->mElementName );
if( element != mElementsByName.end() )
(*it2)->mElement = element->second;
}
}
}
}//----- fin de setBalises
std::string VisitorBuild::build(ElementComplexe* elementComplexe)
{
std::string result;
result+="<";
string name(elementComplexe->getElementName()->second);
result+=name;
//Récupérer la liste des attributs
AttList *attList = elementComplexe->getAttList();
//Parcours de la liste et affichage des attributs
for(AttList::iterator it = attList->begin(); it != attList->end(); ++it)
{
result+=" " + (*it)->first+" = \""+ (*it)->second+"\"";
}
result+=">";
//récupérer les fils
list<Element*> *elementList(elementComplexe->getElements());
for(list<Element*> ::iterator it = elementList->begin(); it != elementList->end(); ++it)
{
result+=(*it)->build(this);
}
//Fermer la balise de l'élément
result+="</"+name+">";
return result;
}
static Document & getDoc()
{
if (singleton)
{
return *singleton;
}
singleton = new Document;
Document & doc = *singleton;
doc.setDoctype(Doctype("html", "html.dtd"));
AttList attributes;
list<Content*> childs;
ProcessingInstruction* se = new ProcessingInstruction(ElementName("", "xml"));
attributes.push_back(Attribut("version", "2.0"));
attributes.push_back(Attribut("encoding", "utf8"));
se->setAttList(attributes);
doc.setXmlProlog(se);
Element* root = new Element;
root->setName(ElementName("", "html"));
doc.setRoot(root);
Element* head = new Element;
head->setName(ElementName("", "head"));
list<Content*> headChildren;
Element* title = new Element;
title->setName(ElementName("", "title"));
list<Content*> titleChild;
Data* titleContent = new Data("Bienvenue");
titleChild.push_back(titleContent);
title->setChildren(titleChild);
headChildren.push_back(title);
head->setChildren(headChildren);
childs.push_back(head);
Element* body = new Element;
body->setName(ElementName("", "body"));
childs.push_back(body);
root->setChildren(childs);
Element* element = new Element;
element->setName(ElementName("", "a"));
attributes.clear();
attributes.push_back(Attribut("alt", "Google.fr"));
attributes.push_back(Attribut("href", "http://www.google.fr"));
element->setAttList(attributes);
EmptyElement* img = new EmptyElement;
img->setName(ElementName("", "img"));
attributes.clear();
attributes.push_back(Attribut("src", "http://www.google.fr/img.jpg"));
img->setAttList(attributes);
childs.clear();
childs.push_back(img);
Data* data = new Data("Mon petit lien");
childs.push_back(data);
Comment* comment = new Comment("<!-- Ceci est un commentaire. -->");
childs.push_back(comment);
element->setChildren(childs);
childs.clear();
childs.push_back(element);
body->setChildren(childs);
return doc;
}
