pdxcodemonkey commented on a change in pull request #625:
URL: https://github.com/apache/geode-native/pull/625#discussion_r453936057
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File path: cppcache/include/geode/DataInput.hpp
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@@ -313,7 +313,53 @@ class APACHE_GEODE_EXPORT DataInput {
// empty string
break;
// TODO: What's the right response here?
- default:
+ case internal::DSCode::FixedIDDefault:
Review comment:
Just gonna leave this here, cause I spent the time & effort to figure it
out. Probably slightly better performance than the if-else approach, but I'm
still not sure about readability:
```
template <class CharT = char, class... Tail>
inline std::basic_string<CharT, Tail...> readString() {
std::basic_string<CharT, Tail...> value;
std::map<internal::DSCode, std::function<void(std::string&)> > readers;
readers.insert(std::make_pair(
internal::DSCode::CacheableString,
[=](std::string& val) { this->readJavaModifiedUtf8(val); }));
readers.insert(
std::make_pair(internal::DSCode::CacheableStringHuge,
[=](std::string& val) { this->readUtf16Huge(val); }));
readers.insert(
std::make_pair(internal::DSCode::CacheableASCIIString,
[=](std::string& val) { this->readAscii(val); }));
readers.insert(
std::make_pair(internal::DSCode::CacheableASCIIStringHuge,
[=](std::string& val) { this->readAsciiHuge(val); }));
auto type = static_cast<internal::DSCode>(read());
auto it = readers.find(static_cast<internal::DSCode>(read()));
if (it != readers.end()) {
it->second(value);
}
return value;
}
```
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