/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2015 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace folly {
struct TypeError : std::runtime_error {
- explicit TypeError(const std::string& expected, dynamic::Type actual)
- : std::runtime_error(to<std::string>("TypeError: expected dynamic "
- "type `", expected, '\'', ", but had type `",
- dynamic::typeName(actual), '\''))
- {}
+ explicit TypeError(const std::string& expected, dynamic::Type actual);
explicit TypeError(const std::string& expected,
- dynamic::Type actual1, dynamic::Type actual2)
- : std::runtime_error(to<std::string>("TypeError: expected dynamic "
- "types `", expected, '\'', ", but had types `",
- dynamic::typeName(actual1), "' and `", dynamic::typeName(actual2),
- '\''))
- {}
+ dynamic::Type actual1, dynamic::Type actual2);
+ ~TypeError();
};
}
};
-inline bool dynamic::operator<(dynamic const& o) const {
- if (UNLIKELY(type_ == OBJECT || o.type_ == OBJECT)) {
- throw TypeError("object", type_);
- }
- if (type_ != o.type_) {
- return type_ < o.type_;
- }
-
-#define FB_X(T) return CompareOp<T>::comp(*getAddress<T>(), \
- *o.getAddress<T>())
- FB_DYNAMIC_APPLY(type_, FB_X);
-#undef FB_X
-}
-
-inline bool dynamic::operator==(dynamic const& o) const {
- if (type() != o.type()) {
- if (isNumber() && o.isNumber()) {
- auto& integ = isInt() ? *this : o;
- auto& doubl = isInt() ? o : *this;
- return integ.asInt() == doubl.asDouble();
- }
- return false;
- }
-
-#define FB_X(T) return *getAddress<T>() == *o.getAddress<T>();
- FB_DYNAMIC_APPLY(type_, FB_X);
-#undef FB_X
-}
-
inline dynamic& dynamic::operator+=(dynamic const& o) {
if (type() == STRING && o.type() == STRING) {
*getAddress<fbstring>() += *o.getAddress<fbstring>();
return *this;
}
-inline dynamic& dynamic::operator=(dynamic const& o) {
- if (&o != this) {
- destroy();
-#define FB_X(T) new (getAddress<T>()) T(*o.getAddress<T>())
- FB_DYNAMIC_APPLY(o.type_, FB_X);
-#undef FB_X
- type_ = o.type_;
- }
- return *this;
-}
-
-inline dynamic& dynamic::operator=(dynamic&& o) noexcept {
- if (&o != this) {
- destroy();
-#define FB_X(T) new (getAddress<T>()) T(std::move(*o.getAddress<T>()))
- FB_DYNAMIC_APPLY(o.type_, FB_X);
-#undef FB_X
- type_ = o.type_;
- }
- return *this;
-}
-
-inline dynamic& dynamic::operator[](dynamic const& k) {
- if (!isObject() && !isArray()) {
- throw TypeError("object/array", type());
- }
- if (isArray()) {
- return at(k);
- }
- auto& obj = get<ObjectImpl>();
- auto ret = obj.insert({k, nullptr});
- return ret.first->second;
-}
-
inline dynamic const& dynamic::operator[](dynamic const& idx) const {
return at(idx);
}
-inline dynamic dynamic::getDefault(const dynamic& k, const dynamic& v) const {
- auto& obj = get<ObjectImpl>();
- auto it = obj.find(k);
- return it == obj.end() ? v : it->second;
-}
-
-inline dynamic&& dynamic::getDefault(const dynamic& k, dynamic&& v) const {
- auto& obj = get<ObjectImpl>();
- auto it = obj.find(k);
- if (it != obj.end()) {
- v = it->second;
- }
-
- return std::move(v);
-}
-
template<class K, class V> inline dynamic& dynamic::setDefault(K&& k, V&& v) {
auto& obj = get<ObjectImpl>();
return obj.insert(std::make_pair(std::forward<K>(k),
return const_cast<dynamic*>(const_cast<dynamic const*>(this)->get_ptr(idx));
}
-inline const dynamic* dynamic::get_ptr(dynamic const& idx) const {
- if (auto* parray = get_nothrow<Array>()) {
- if (!idx.isInt()) {
- throw TypeError("int64", idx.type());
- }
- if (idx >= parray->size()) {
- return nullptr;
- }
- return &(*parray)[idx.asInt()];
- } else if (auto* pobject = get_nothrow<ObjectImpl>()) {
- auto it = pobject->find(idx);
- if (it == pobject->end()) {
- return nullptr;
- }
- return &it->second;
- } else {
- throw TypeError("object/array", type());
- }
-}
-
inline dynamic& dynamic::at(dynamic const& idx) {
return const_cast<dynamic&>(const_cast<dynamic const*>(this)->at(idx));
}
-inline dynamic const& dynamic::at(dynamic const& idx) const {
- if (auto* parray = get_nothrow<Array>()) {
- if (!idx.isInt()) {
- throw TypeError("int64", idx.type());
- }
- if (idx >= parray->size()) {
- throw std::out_of_range("out of range in dynamic array");
- }
- return (*parray)[idx.asInt()];
- } else if (auto* pobject = get_nothrow<ObjectImpl>()) {
- auto it = pobject->find(idx);
- if (it == pobject->end()) {
- throw std::out_of_range(to<std::string>(
- "couldn't find key ", idx.asString(), " in dynamic object"));
- }
- return it->second;
- } else {
- throw TypeError("object/array", type());
- }
-}
-
inline bool dynamic::empty() const {
if (isNull()) {
return true;
return !size();
}
-inline std::size_t dynamic::size() const {
- if (auto* ar = get_nothrow<Array>()) {
- return ar->size();
- }
- if (auto* obj = get_nothrow<ObjectImpl>()) {
- return obj->size();
- }
- if (auto* str = get_nothrow<fbstring>()) {
- return str->size();
- }
- throw TypeError("array/object", type());
-}
-
inline std::size_t dynamic::count(dynamic const& key) const {
return find(key) != items().end();
}
return get<Array>().erase(arr.begin() + (it - arr.begin()));
}
-inline dynamic::const_iterator
-dynamic::erase(const_iterator first, const_iterator last) {
- auto& arr = get<Array>();
- return get<Array>().erase(
- arr.begin() + (first - arr.begin()),
- arr.begin() + (last - arr.begin()));
-}
-
inline dynamic::const_key_iterator dynamic::erase(const_key_iterator it) {
return const_key_iterator(get<ObjectImpl>().erase(it.base()));
}
array.pop_back();
}
-inline std::size_t dynamic::hash() const {
- switch (type()) {
- case OBJECT:
- case ARRAY:
- case NULLT:
- throw TypeError("not null/object/array", type());
- case INT64:
- return std::hash<int64_t>()(asInt());
- case DOUBLE:
- return std::hash<double>()(asDouble());
- case BOOL:
- return std::hash<bool>()(asBool());
- case STRING:
- return std::hash<fbstring>()(asString());
- default:
- CHECK(0); abort();
- }
-}
-
//////////////////////////////////////////////////////////////////////
template<class T> struct dynamic::TypeInfo {
return const_cast<dynamic*>(this)->get<T>();
}
-inline char const* dynamic::typeName(Type t) {
-#define FB_X(T) return TypeInfo<T>::name
- FB_DYNAMIC_APPLY(t, FB_X);
-#undef FB_X
-}
-
-inline void dynamic::destroy() noexcept {
- // This short-circuit speeds up some microbenchmarks.
- if (type_ == NULLT) return;
-
-#define FB_X(T) detail::Destroy::destroy(getAddress<T>())
- FB_DYNAMIC_APPLY(type_, FB_X);
-#undef FB_X
- type_ = NULLT;
- u_.nul = nullptr;
-}
-
//////////////////////////////////////////////////////////////////////
/*
case dynamic::ARRAY:
{
int key = arg.splitIntKey();
- if (key >= 0 && key < c.size()) {
+ if (key >= 0 && size_t(key) < c.size()) {
FormatValue<dynamic>(c.at(key)).format(arg, cb);
} else{
FormatValue<V>(val_.defaultValue).format(arg, cb);
projects / folly.git / blobdiff