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Derive NodeMetadata from Metadata

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This commit is contained in:
rubenwardy 2017-01-31 14:45:28 +00:00
parent de664b1c6d
commit bbdd869d72
6 changed files with 135 additions and 56 deletions
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40
src/nodemetadata.cpp
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@ -31,10 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
NodeMetadata::NodeMetadata(IItemDefManager *item_def_mgr):
m_stringvars(),
m_inventory(new Inventory(item_def_mgr))
{
}
{}
NodeMetadata::~NodeMetadata()
{
@ -70,13 +68,13 @@ void NodeMetadata::deSerialize(std::istream &is)
void NodeMetadata::clear()
{
m_stringvars.clear();
Metadata::clear();
m_inventory->clear();
}
bool NodeMetadata::empty() const
{
return m_stringvars.size() == 0 && m_inventory->getLists().size() == 0;
return Metadata::empty() && m_inventory->getLists().size() == 0;
}
/*
@ -216,35 +214,3 @@ int NodeMetadataList::countNonEmpty() const
}
return n;
}
std::string NodeMetadata::getString(const std::string &name,
unsigned short recursion) const
{
StringMap::const_iterator it = m_stringvars.find(name);
if (it == m_stringvars.end())
return "";
return resolveString(it->second, recursion);
}
void NodeMetadata::setString(const std::string &name, const std::string &var)
{
if (var.empty()) {
m_stringvars.erase(name);
} else {
m_stringvars[name] = var;
}
}
std::string NodeMetadata::resolveString(const std::string &str,
unsigned short recursion) const
{
if (recursion > 1) {
return str;
}
if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') {
return getString(str.substr(2, str.length() - 3), recursion + 1);
}
return str;
}