void EndElement(const xmlChar *name)
{
if (strcmp((const char*)name,"node")==0) {
callback.ProcessNode(id,
lon,
lat,
tags);
tags.clear();
context=contextUnknown;
}
else if (strcmp((const char*)name,"way")==0) {
callback.ProcessWay(id,
nodes,
tags);
nodes.clear();
tags.clear();
context=contextUnknown;
}
else if (strcmp((const char*)name,"relation")==0) {
callback.ProcessRelation(id,
members,
tags);
members.clear();
tags.clear();
context=contextUnknown;
}
}
void StartElement(const xmlChar *name, const xmlChar **atts)
{
if (strcmp((const char*)name,"node")==0) {
const xmlChar *idValue=NULL;
const xmlChar *latValue=NULL;
const xmlChar *lonValue=NULL;
context=contextNode;
tags.clear();
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"id")==0) {
idValue=atts[i+1];
}
else if (strcmp((const char*)atts[i],"lat")==0) {
latValue=atts[i+1];
}
else if (strcmp((const char*)atts[i],"lon")==0) {
lonValue=atts[i+1];
}
}
if (idValue==NULL || lonValue==NULL || latValue==NULL) {
std::cerr << "Not all required attributes found" << std::endl;
}
if (!StringToNumber((const char*)idValue,id)) {
std::cerr << "Cannot parse id: '" << idValue << "'" << std::endl;
return;
}
if (!StringToNumber((const char*)latValue,lat)) {
std::cerr << "Cannot parse latitude: '" << latValue << "'" << std::endl;
return;
}
if (!StringToNumber((const char*)lonValue,lon)) {
std::cerr << "Cannot parse longitude: '" << lonValue << "'" << std::endl;
return;
}
}
else if (strcmp((const char*)name,"way")==0) {
const xmlChar *idValue=NULL;
context=contextWay;
nodes.clear();
members.clear();
tags.clear();
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"id")==0) {
idValue=atts[i+1];
}
}
if (!StringToNumber((const char*)idValue,id)) {
std::cerr << "Cannot parse id: '" << idValue << "'" << std::endl;
return;
}
}
if (strcmp((const char*)name,"relation")==0) {
const xmlChar *idValue=NULL;
context=contextRelation;
tags.clear();
nodes.clear();
members.clear();
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"id")==0) {
idValue=atts[i+1];
}
}
if (!StringToNumber((const char*)idValue,id)) {
std::cerr << "Cannot parse id: '" << idValue << "'" << std::endl;
return;
}
}
else if (strcmp((const char*)name,"tag")==0) {
if (context!=contextWay && context!=contextNode && context!=contextRelation) {
return;
}
const xmlChar *keyValue=NULL;
const xmlChar *valueValue=NULL;
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"k")==0) {
keyValue=atts[i+1];
}
else if (strcmp((const char*)atts[i],"v")==0) {
valueValue=atts[i+1];
}
}
if (keyValue==NULL || valueValue==NULL) {
std::cerr << "Cannot parse tag, skipping..." << std::endl;
return;
}
TagId id=typeConfig.GetTagId((const char*)keyValue);
if (id!=tagIgnore) {
tags[id]=(const char*)valueValue;
}
}
else if (strcmp((const char*)name,"nd")==0) {
if (context!=contextWay) {
return;
}
OSMId node;
const xmlChar *idValue=NULL;
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"ref")==0) {
idValue=atts[i+1];
}
}
if (!StringToNumber((const char*)idValue,node)) {
std::cerr << "Cannot parse id: '" << idValue << "'" << std::endl;
return;
}
nodes.push_back(node);
}
else if (strcmp((const char*)name,"member")==0) {
if (context!=contextRelation) {
return;
}
RawRelation::Member member;
const xmlChar *typeValue=NULL;
const xmlChar *refValue=NULL;
const xmlChar *roleValue=NULL;
for (size_t i=0; atts[i]!=NULL && atts[i+1]!=NULL; i+=2) {
if (strcmp((const char*)atts[i],"type")==0) {
typeValue=atts[i+1];
}
else if (strcmp((const char*)atts[i],"ref")==0) {
refValue=atts[i+1];
}
else if (strcmp((const char*)atts[i],"role")==0) {
roleValue=atts[i+1];
}
}
if (typeValue==NULL) {
std::cerr << "Member of relation " << id << " does not have a type" << std::endl;
return;
}
if (refValue==NULL) {
std::cerr << "Member of relation " << id << " does not have a valid reference" << std::endl;
return;
}
if (roleValue==NULL) {
std::cerr << "Member of relation " << id << " does not have a valid role" << std::endl;
return;
}
if (strcmp((const char*)typeValue,"node")==0) {
member.type=RawRelation::memberNode;
}
else if (strcmp((const char*)typeValue,"way")==0) {
member.type=RawRelation::memberWay;
}
else if (strcmp((const char*)typeValue,"relation")==0) {
member.type=RawRelation::memberRelation;
}
else {
std::cerr << "Cannot parse member type: '" << typeValue << "'" << std::endl;
return;
}
if (!StringToNumber((const char*)refValue,member.id)) {
std::cerr << "Cannot parse ref '" << refValue << "' for relation " << id << std::endl;
}
if (roleValue!=NULL) {
member.role=(const char*)roleValue;
}
members.push_back(member);
}
}