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Don't throw an exception when a compound field is not found

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This commit is contained in:
Matthias Schiffer 2015-02-01 05:18:51 +01:00
parent 8403a4e71c
commit d922636311
1 changed files with 7 additions and 5 deletions
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12
src/NBT/CompoundTag.hpp
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@ -54,13 +54,15 @@ public:
return Type::Compound; return Type::Compound;
} }
template<typename T> template<typename T> std::shared_ptr<const T> get(const std::string &key) const {
std::shared_ptr<const T> get(const std::string &key) const { auto it = find(key);
return std::dynamic_pointer_cast<const T>(at(key)); if (it == end())
return std::shared_ptr<const T>();
return std::dynamic_pointer_cast<const T>(it->second);
} }
template<typename T, typename... Args> template<typename T, typename... Args> std::shared_ptr<const T> get(const std::string &key, const Args &...args) const {
std::shared_ptr<const T> get(const std::string &key, const Args &...args) const {
std::shared_ptr<const CompoundTag> tag = get<CompoundTag>(key); std::shared_ptr<const CompoundTag> tag = get<CompoundTag>(key);
if (!tag) if (!tag)
return std::shared_ptr<const T>(); return std::shared_ptr<const T>();