generic-library/ChaiScript
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Get building with libc++ again

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This commit is contained in:
Jason Turner 2016-06-29 16:06:27 -06:00
parent 176d608bb4
commit 62639a4359
1 changed files with 82 additions and 9 deletions
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91
include/chaiscript/utility/json.hpp
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@ -47,6 +47,79 @@ class JSON
};
private:
struct QuickFlatMap
{
auto find(const std::string &s) {
return std::find_if(std::begin(data), std::end(data), [&s](const auto &d) { return d.first == s; });
}
auto find(const std::string &s) const {
return std::find_if(std::begin(data), std::end(data), [&s](const auto &d) { return d.first == s; });
}
auto size() const {
return data.size();
}
auto begin() const {
return data.begin();
}
auto end() const {
return data.end();
}
auto begin() {
return data.begin();
}
auto end() {
return data.end();
}
JSON &operator[](const std::string &s) {
const auto itr = find(s);
if (itr != data.end()) {
return itr->second;
} else {
data.emplace_back(s, JSON());
return data.back().second;
}
}
JSON &at(const std::string &s) {
const auto itr = find(s);
if (itr != data.end()) {
return itr->second;
} else {
throw std::out_of_range("Unknown key: " + s);
}
}
const JSON &at(const std::string &s) const {
const auto itr = find(s);
if (itr != data.end()) {
return itr->second;
} else {
throw std::out_of_range("Unknown key: " + s);
}
}
size_t count(const std::string &s) const {
return (find(s) != data.end())?1:0;
}
std::vector<std::pair<std::string, JSON>> data;
using iterator = decltype(data)::iterator;
using const_iterator = decltype(data)::const_iterator;
};
struct Internal {
template<typename T>
auto clone(const std::unique_ptr<T> &ptr) {
@ -100,7 +173,7 @@ class JSON
String.reset();
switch( type ) {
case Class::Object: Map = std::make_unique<std::map<std::string,JSON>>(); break;
case Class::Object: Map = std::make_unique<QuickFlatMap>(); break;
case Class::Array: List = std::make_unique<std::vector<JSON>>(); break;
case Class::String: String = std::make_unique<std::string>(); break;
case Class::Floating: Float = 0.0; break;
@ -116,7 +189,7 @@ class JSON
Internal &operator=(Internal &&) = default;
std::unique_ptr<std::vector<JSON>> List;
std::unique_ptr<std::map<std::string,JSON>> Map;
std::unique_ptr<QuickFlatMap> Map;
std::unique_ptr<std::string> String;
double Float = 0;
long Int = 0;
@ -229,7 +302,7 @@ class JSON
bool has_key( const std::string &key ) const {
if( internal.Type == Class::Object ) {
return internal.Map->find( key ) != internal.Map->end();
return internal.Map->count(key) != 0;
}
return false;
@ -274,11 +347,11 @@ class JSON
return ok ? internal.Bool : false;
}
JSONWrapper<std::map<std::string,JSON>> object_range() {
JSONWrapper<QuickFlatMap> object_range() {
if( internal.Type == Class::Object ) {
return JSONWrapper<std::map<std::string,JSON>>( internal.Map.get() );
return JSONWrapper<QuickFlatMap>( internal.Map.get() );
} else {
return JSONWrapper<std::map<std::string,JSON>>( nullptr );
return JSONWrapper<QuickFlatMap>( nullptr );
}
}
@ -290,11 +363,11 @@ class JSON
}
}
JSONConstWrapper<std::map<std::string,JSON>> object_range() const {
JSONConstWrapper<QuickFlatMap> object_range() const {
if( internal.Type == Class::Object ) {
return JSONConstWrapper<std::map<std::string,JSON>>( internal.Map.get() );
return JSONConstWrapper<QuickFlatMap>( internal.Map.get() );
} else {
return JSONConstWrapper<std::map<std::string,JSON>>( nullptr );
return JSONConstWrapper<QuickFlatMap>( nullptr );
}
}