// Adds/Replaces/Removes a resource.
// If lpData is 0 UpdateResource removes the resource.
bool CResourceEditor::UpdateResource(char* szType, char* szName, LANGID wLanguage, BYTE* lpData, DWORD dwSize) {
CResourceDirectory* nameDir = 0;
CResourceDirectory* langDir = 0;
CResourceDataEntry* data = 0;
IMAGE_RESOURCE_DIRECTORY rd = {0, /*time(0),*/};
int iTypeIdx = -1, iNameIdx = -1, iLangIdx = -1;
iTypeIdx = m_cResDir->Find(szType);
if (iTypeIdx > -1) {
nameDir = m_cResDir->GetEntry(iTypeIdx)->GetSubDirectory();
iNameIdx = nameDir->Find(szName);
if (iNameIdx > -1) {
langDir = nameDir->GetEntry(iNameIdx)->GetSubDirectory();
iLangIdx = langDir->Find(wLanguage);
if (iLangIdx > -1) {
data = langDir->GetEntry(iLangIdx)->GetDataEntry();
}
}
}
if (lpData) {
// Replace/Add the resource
if (data) {
data->SetData(lpData, dwSize);
return true;
}
if (!nameDir) {
// Type doesn't yet exist
nameDir = new CResourceDirectory(&rd);
m_cResDir->AddEntry(new CResourceDirectoryEntry(szType, nameDir));
}
if (!langDir) {
// Name doesn't yet exist
langDir = new CResourceDirectory(&rd);
nameDir->AddEntry(new CResourceDirectoryEntry(szName, langDir));
}
if (!data) {
// Language doesn't yet exist, hence data nither
data = new CResourceDataEntry(lpData, dwSize);
langDir->AddEntry(new CResourceDirectoryEntry(MAKEINTRESOURCE(wLanguage), data));
}
}
else if (data) {
// Delete the resource
delete data;
langDir->RemoveEntry(iLangIdx);
// Delete directories holding the resource if empty
if (!langDir->CountEntries()) {
delete langDir;
nameDir->RemoveEntry(iNameIdx);
if (!nameDir->CountEntries()) {
delete nameDir;
m_cResDir->RemoveEntry(iTypeIdx);
}
}
}
else return false;
return true;
}
