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Merge pull request #424 from agnat/rewrite_ForEachInArray

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get rid of std::function
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Syoyo Fujita 2023-06-06 23:11:12 +09:00 committed by GitHub
commit 9417144f48
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1 changed files with 19 additions and 22 deletions
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41
tiny_gltf.h
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@ -5775,6 +5775,24 @@ static bool ParseLight(Light *light, std::string *err, const detail::json &o,
return true;
}
namespace detail {
template <typename Callback>
bool ForEachInArray(const detail::json &_v, const char *member, Callback && cb) {
detail::json_const_iterator itm;
if (detail::FindMember(_v, member, itm) && detail::IsArray(detail::GetValue(itm))) {
const detail::json &root = detail::GetValue(itm);
auto it = detail::ArrayBegin(root);
auto end = detail::ArrayEnd(root);
for (; it != end; ++it) {
if (!cb(*it)) return false;
}
}
return true;
};
} // end of namespace detail
bool TinyGLTF::LoadFromString(Model *model, std::string *err, std::string *warn,
const char *json_str,
unsigned int json_str_length,
@ -5924,28 +5942,7 @@ bool TinyGLTF::LoadFromString(Model *model, std::string *err, std::string *warn,
}
}
#ifdef TINYGLTF_USE_CPP14
auto ForEachInArray = [](const detail::json &_v, const char *member,
const auto &cb) -> bool
#else
// The std::function<> implementation can be less efficient because it will
// allocate heap when the size of the captured lambda is above 16 bytes with
// clang and gcc, but it does not require C++14.
auto ForEachInArray = [](const detail::json &_v, const char *member,
const std::function<bool(const detail::json &)> &cb) -> bool
#endif
{
detail::json_const_iterator itm;
if (detail::FindMember(_v, member, itm) && detail::IsArray(detail::GetValue(itm))) {
const detail::json &root = detail::GetValue(itm);
auto it = detail::ArrayBegin(root);
auto end = detail::ArrayEnd(root);
for (; it != end; ++it) {
if (!cb(*it)) return false;
}
}
return true;
};
using detail::ForEachInArray;
// 2. Parse extensionUsed
{