diff options
Diffstat (limited to 'src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h')
| -rw-r--r-- | src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h | 985 |
1 files changed, 731 insertions, 254 deletions
diff --git a/src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h b/src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h index 98053cbd5..93b091f64 100644 --- a/src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h +++ b/src/3rdparty/assimp/contrib/rapidjson/include/rapidjson/document.h @@ -20,40 +20,29 @@ #include "reader.h" #include "internal/meta.h" #include "internal/strfunc.h" +#include "memorystream.h" +#include "encodedstream.h" #include <new> // placement new +#include <limits> -#ifdef _MSC_VER RAPIDJSON_DIAG_PUSH +#ifdef _MSC_VER RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant -#elif defined(__GNUC__) -RAPIDJSON_DIAG_PUSH -RAPIDJSON_DIAG_OFF(effc++) +RAPIDJSON_DIAG_OFF(4244) // conversion from kXxxFlags to 'uint16_t', possible loss of data #endif -/////////////////////////////////////////////////////////////////////////////// -// RAPIDJSON_HAS_STDSTRING - -#ifndef RAPIDJSON_HAS_STDSTRING -#ifdef RAPIDJSON_DOXYGEN_RUNNING -#define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation -#else -#define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default +#ifdef __clang__ +RAPIDJSON_DIAG_OFF(padded) +RAPIDJSON_DIAG_OFF(switch-enum) +RAPIDJSON_DIAG_OFF(c++98-compat) #endif -/*! \def RAPIDJSON_HAS_STDSTRING - \ingroup RAPIDJSON_CONFIG - \brief Enable RapidJSON support for \c std::string - - By defining this preprocessor symbol to \c 1, several convenience functions for using - \ref rapidjson::GenericValue with \c std::string are enabled, especially - for construction and comparison. - \hideinitializer -*/ -#endif // !defined(RAPIDJSON_HAS_STDSTRING) - -#if RAPIDJSON_HAS_STDSTRING -#include <string> -#endif // RAPIDJSON_HAS_STDSTRING +#ifdef __GNUC__ +RAPIDJSON_DIAG_OFF(effc++) +#if __GNUC__ >= 6 +RAPIDJSON_DIAG_OFF(terminate) // ignore throwing RAPIDJSON_ASSERT in RAPIDJSON_NOEXCEPT functions +#endif +#endif // __GNUC__ #ifndef RAPIDJSON_NOMEMBERITERATORCLASS #include <iterator> // std::iterator, std::random_access_iterator_tag @@ -158,6 +147,7 @@ public: Otherwise, the copy constructor is implicitly defined. */ GenericMemberIterator(const NonConstIterator & it) : ptr_(it.ptr_) {} + Iterator& operator=(const NonConstIterator & it) { ptr_ = it.ptr_; return *this; } //! @name stepping //@{ @@ -260,6 +250,7 @@ struct GenericStringRef { typedef CharType Ch; //!< character type of the string //! Create string reference from \c const character array +#ifndef __clang__ // -Wdocumentation /*! This constructor implicitly creates a constant string reference from a \c const character array. It has better performance than @@ -282,11 +273,13 @@ struct GenericStringRef { In such cases, the referenced string should be \b copied to the GenericValue instead. */ +#endif template<SizeType N> GenericStringRef(const CharType (&str)[N]) RAPIDJSON_NOEXCEPT : s(str), length(N-1) {} //! Explicitly create string reference from \c const character pointer +#ifndef __clang__ // -Wdocumentation /*! This constructor can be used to \b explicitly create a reference to a constant string pointer. @@ -305,18 +298,23 @@ struct GenericStringRef { In such cases, the referenced string should be \b copied to the GenericValue instead. */ +#endif explicit GenericStringRef(const CharType* str) - : s(str), length(internal::StrLen(str)){ RAPIDJSON_ASSERT(s != NULL); } + : s(str), length(NotNullStrLen(str)) {} //! Create constant string reference from pointer and length +#ifndef __clang__ // -Wdocumentation /*! \param str constant string, lifetime assumed to be longer than the use of the string in e.g. a GenericValue \param len length of the string, excluding the trailing NULL terminator \post \ref s == str && \ref length == len \note Constant complexity. */ +#endif GenericStringRef(const CharType* str, SizeType len) - : s(str), length(len) { RAPIDJSON_ASSERT(s != NULL); } + : s(RAPIDJSON_LIKELY(str) ? str : emptyString), length(len) { RAPIDJSON_ASSERT(str != 0 || len == 0u); } + + GenericStringRef(const GenericStringRef& rhs) : s(rhs.s), length(rhs.length) {} //! implicit conversion to plain CharType pointer operator const Ch *() const { return s; } @@ -325,13 +323,24 @@ struct GenericStringRef { const SizeType length; //!< length of the string (excluding the trailing NULL terminator) private: - //! Disallow copy-assignment - GenericStringRef operator=(const GenericStringRef&); + SizeType NotNullStrLen(const CharType* str) { + RAPIDJSON_ASSERT(str != 0); + return internal::StrLen(str); + } + + /// Empty string - used when passing in a NULL pointer + static const Ch emptyString[]; + //! Disallow construction from non-const array template<SizeType N> GenericStringRef(CharType (&str)[N]) /* = delete */; + //! Copy assignment operator not permitted - immutable type + GenericStringRef& operator=(const GenericStringRef& rhs) /* = delete */; }; +template<typename CharType> +const CharType GenericStringRef<CharType>::emptyString[] = { CharType() }; + //! Mark a character pointer as constant string /*! Mark a plain character pointer as a "string literal". This function can be used to avoid copying a character string to be referenced as a @@ -346,7 +355,7 @@ private: */ template<typename CharType> inline GenericStringRef<CharType> StringRef(const CharType* str) { - return GenericStringRef<CharType>(str, internal::StrLen(str)); + return GenericStringRef<CharType>(str); } //! Mark a character pointer as constant string @@ -405,6 +414,127 @@ template <typename T> struct IsGenericValue : IsGenericValueImpl<T>::Type {}; } // namespace internal /////////////////////////////////////////////////////////////////////////////// +// TypeHelper + +namespace internal { + +template <typename ValueType, typename T> +struct TypeHelper {}; + +template<typename ValueType> +struct TypeHelper<ValueType, bool> { + static bool Is(const ValueType& v) { return v.IsBool(); } + static bool Get(const ValueType& v) { return v.GetBool(); } + static ValueType& Set(ValueType& v, bool data) { return v.SetBool(data); } + static ValueType& Set(ValueType& v, bool data, typename ValueType::AllocatorType&) { return v.SetBool(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, int> { + static bool Is(const ValueType& v) { return v.IsInt(); } + static int Get(const ValueType& v) { return v.GetInt(); } + static ValueType& Set(ValueType& v, int data) { return v.SetInt(data); } + static ValueType& Set(ValueType& v, int data, typename ValueType::AllocatorType&) { return v.SetInt(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, unsigned> { + static bool Is(const ValueType& v) { return v.IsUint(); } + static unsigned Get(const ValueType& v) { return v.GetUint(); } + static ValueType& Set(ValueType& v, unsigned data) { return v.SetUint(data); } + static ValueType& Set(ValueType& v, unsigned data, typename ValueType::AllocatorType&) { return v.SetUint(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, int64_t> { + static bool Is(const ValueType& v) { return v.IsInt64(); } + static int64_t Get(const ValueType& v) { return v.GetInt64(); } + static ValueType& Set(ValueType& v, int64_t data) { return v.SetInt64(data); } + static ValueType& Set(ValueType& v, int64_t data, typename ValueType::AllocatorType&) { return v.SetInt64(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, uint64_t> { + static bool Is(const ValueType& v) { return v.IsUint64(); } + static uint64_t Get(const ValueType& v) { return v.GetUint64(); } + static ValueType& Set(ValueType& v, uint64_t data) { return v.SetUint64(data); } + static ValueType& Set(ValueType& v, uint64_t data, typename ValueType::AllocatorType&) { return v.SetUint64(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, double> { + static bool Is(const ValueType& v) { return v.IsDouble(); } + static double Get(const ValueType& v) { return v.GetDouble(); } + static ValueType& Set(ValueType& v, double data) { return v.SetDouble(data); } + static ValueType& Set(ValueType& v, double data, typename ValueType::AllocatorType&) { return v.SetDouble(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, float> { + static bool Is(const ValueType& v) { return v.IsFloat(); } + static float Get(const ValueType& v) { return v.GetFloat(); } + static ValueType& Set(ValueType& v, float data) { return v.SetFloat(data); } + static ValueType& Set(ValueType& v, float data, typename ValueType::AllocatorType&) { return v.SetFloat(data); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, const typename ValueType::Ch*> { + typedef const typename ValueType::Ch* StringType; + static bool Is(const ValueType& v) { return v.IsString(); } + static StringType Get(const ValueType& v) { return v.GetString(); } + static ValueType& Set(ValueType& v, const StringType data) { return v.SetString(typename ValueType::StringRefType(data)); } + static ValueType& Set(ValueType& v, const StringType data, typename ValueType::AllocatorType& a) { return v.SetString(data, a); } +}; + +#if RAPIDJSON_HAS_STDSTRING +template<typename ValueType> +struct TypeHelper<ValueType, std::basic_string<typename ValueType::Ch> > { + typedef std::basic_string<typename ValueType::Ch> StringType; + static bool Is(const ValueType& v) { return v.IsString(); } + static StringType Get(const ValueType& v) { return StringType(v.GetString(), v.GetStringLength()); } + static ValueType& Set(ValueType& v, const StringType& data, typename ValueType::AllocatorType& a) { return v.SetString(data, a); } +}; +#endif + +template<typename ValueType> +struct TypeHelper<ValueType, typename ValueType::Array> { + typedef typename ValueType::Array ArrayType; + static bool Is(const ValueType& v) { return v.IsArray(); } + static ArrayType Get(ValueType& v) { return v.GetArray(); } + static ValueType& Set(ValueType& v, ArrayType data) { return v = data; } + static ValueType& Set(ValueType& v, ArrayType data, typename ValueType::AllocatorType&) { return v = data; } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, typename ValueType::ConstArray> { + typedef typename ValueType::ConstArray ArrayType; + static bool Is(const ValueType& v) { return v.IsArray(); } + static ArrayType Get(const ValueType& v) { return v.GetArray(); } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, typename ValueType::Object> { + typedef typename ValueType::Object ObjectType; + static bool Is(const ValueType& v) { return v.IsObject(); } + static ObjectType Get(ValueType& v) { return v.GetObject(); } + static ValueType& Set(ValueType& v, ObjectType data) { return v = data; } + static ValueType& Set(ValueType& v, ObjectType data, typename ValueType::AllocatorType&) { return v = data; } +}; + +template<typename ValueType> +struct TypeHelper<ValueType, typename ValueType::ConstObject> { + typedef typename ValueType::ConstObject ObjectType; + static bool Is(const ValueType& v) { return v.IsObject(); } + static ObjectType Get(const ValueType& v) { return v.GetObject(); } +}; + +} // namespace internal + +// Forward declarations +template <bool, typename> class GenericArray; +template <bool, typename> class GenericObject; + +/////////////////////////////////////////////////////////////////////////////// // GenericValue //! Represents a JSON value. Use Value for UTF8 encoding and default allocator. @@ -431,17 +561,21 @@ public: typedef GenericValue* ValueIterator; //!< Value iterator for iterating in array. typedef const GenericValue* ConstValueIterator; //!< Constant value iterator for iterating in array. typedef GenericValue<Encoding, Allocator> ValueType; //!< Value type of itself. + typedef GenericArray<false, ValueType> Array; + typedef GenericArray<true, ValueType> ConstArray; + typedef GenericObject<false, ValueType> Object; + typedef GenericObject<true, ValueType> ConstObject; //!@name Constructors and destructor. //@{ //! Default constructor creates a null value. - GenericValue() RAPIDJSON_NOEXCEPT : data_(), flags_(kNullFlag) {} + GenericValue() RAPIDJSON_NOEXCEPT : data_() { data_.f.flags = kNullFlag; } #if RAPIDJSON_HAS_CXX11_RVALUE_REFS //! Move constructor in C++11 - GenericValue(GenericValue&& rhs) RAPIDJSON_NOEXCEPT : data_(rhs.data_), flags_(rhs.flags_) { - rhs.flags_ = kNullFlag; // give up contents + GenericValue(GenericValue&& rhs) RAPIDJSON_NOEXCEPT : data_(rhs.data_) { + rhs.data_.f.flags = kNullFlag; // give up contents } #endif @@ -466,13 +600,13 @@ public: \param type Type of the value. \note Default content for number is zero. */ - explicit GenericValue(Type type) RAPIDJSON_NOEXCEPT : data_(), flags_() { - static const unsigned defaultFlags[7] = { + explicit GenericValue(Type type) RAPIDJSON_NOEXCEPT : data_() { + static const uint16_t defaultFlags[7] = { kNullFlag, kFalseFlag, kTrueFlag, kObjectFlag, kArrayFlag, kShortStringFlag, kNumberAnyFlag }; - RAPIDJSON_ASSERT(type <= kNumberType); - flags_ = defaultFlags[type]; + RAPIDJSON_ASSERT(type >= kNullType && type <= kNumberType); + data_.f.flags = defaultFlags[type]; // Use ShortString to store empty string. if (type == kStringType) @@ -484,10 +618,50 @@ public: \tparam SourceAllocator allocator of \c rhs \param rhs Value to copy from (read-only) \param allocator Allocator for allocating copied elements and buffers. Commonly use GenericDocument::GetAllocator(). + \param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer) \see CopyFrom() */ - template< typename SourceAllocator > - GenericValue(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator & allocator); + template <typename SourceAllocator> + GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) { + switch (rhs.GetType()) { + case kObjectType: { + SizeType count = rhs.data_.o.size; + Member* lm = reinterpret_cast<Member*>(allocator.Malloc(count * sizeof(Member))); + const typename GenericValue<Encoding,SourceAllocator>::Member* rm = rhs.GetMembersPointer(); + for (SizeType i = 0; i < count; i++) { + new (&lm[i].name) GenericValue(rm[i].name, allocator, copyConstStrings); + new (&lm[i].value) GenericValue(rm[i].value, allocator, copyConstStrings); + } + data_.f.flags = kObjectFlag; + data_.o.size = data_.o.capacity = count; + SetMembersPointer(lm); + } + break; + case kArrayType: { + SizeType count = rhs.data_.a.size; + GenericValue* le = reinterpret_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue))); + const GenericValue<Encoding,SourceAllocator>* re = rhs.GetElementsPointer(); + for (SizeType i = 0; i < count; i++) + new (&le[i]) GenericValue(re[i], allocator, copyConstStrings); + data_.f.flags = kArrayFlag; + data_.a.size = data_.a.capacity = count; + SetElementsPointer(le); + } + break; + case kStringType: + if (rhs.data_.f.flags == kConstStringFlag && !copyConstStrings) { + data_.f.flags = rhs.data_.f.flags; + data_ = *reinterpret_cast<const Data*>(&rhs.data_); + } + else + SetStringRaw(StringRef(rhs.GetString(), rhs.GetStringLength()), allocator); + break; + default: + data_.f.flags = rhs.data_.f.flags; + data_ = *reinterpret_cast<const Data*>(&rhs.data_); + break; + } + } //! Constructor for boolean value. /*! \param b Boolean value @@ -497,118 +671,125 @@ public: */ #ifndef RAPIDJSON_DOXYGEN_RUNNING // hide SFINAE from Doxygen template <typename T> - explicit GenericValue(T b, RAPIDJSON_ENABLEIF((internal::IsSame<T,bool>))) RAPIDJSON_NOEXCEPT + explicit GenericValue(T b, RAPIDJSON_ENABLEIF((internal::IsSame<bool, T>))) RAPIDJSON_NOEXCEPT // See #472 #else explicit GenericValue(bool b) RAPIDJSON_NOEXCEPT #endif - : data_(), flags_(b ? kTrueFlag : kFalseFlag) { + : data_() { // safe-guard against failing SFINAE RAPIDJSON_STATIC_ASSERT((internal::IsSame<bool,T>::Value)); + data_.f.flags = b ? kTrueFlag : kFalseFlag; } //! Constructor for int value. - explicit GenericValue(int i) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberIntFlag) { + explicit GenericValue(int i) RAPIDJSON_NOEXCEPT : data_() { data_.n.i64 = i; - if (i >= 0) - flags_ |= kUintFlag | kUint64Flag; + data_.f.flags = (i >= 0) ? (kNumberIntFlag | kUintFlag | kUint64Flag) : kNumberIntFlag; } //! Constructor for unsigned value. - explicit GenericValue(unsigned u) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberUintFlag) { + explicit GenericValue(unsigned u) RAPIDJSON_NOEXCEPT : data_() { data_.n.u64 = u; - if (!(u & 0x80000000)) - flags_ |= kIntFlag | kInt64Flag; + data_.f.flags = (u & 0x80000000) ? kNumberUintFlag : (kNumberUintFlag | kIntFlag | kInt64Flag); } //! Constructor for int64_t value. - explicit GenericValue(int64_t i64) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberInt64Flag) { + explicit GenericValue(int64_t i64) RAPIDJSON_NOEXCEPT : data_() { data_.n.i64 = i64; + data_.f.flags = kNumberInt64Flag; if (i64 >= 0) { - flags_ |= kNumberUint64Flag; + data_.f.flags |= kNumberUint64Flag; if (!(static_cast<uint64_t>(i64) & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x00000000))) - flags_ |= kUintFlag; + data_.f.flags |= kUintFlag; if (!(static_cast<uint64_t>(i64) & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000))) - flags_ |= kIntFlag; + data_.f.flags |= kIntFlag; } else if (i64 >= static_cast<int64_t>(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000))) - flags_ |= kIntFlag; + data_.f.flags |= kIntFlag; } //! Constructor for uint64_t value. - explicit GenericValue(uint64_t u64) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberUint64Flag) { + explicit GenericValue(uint64_t u64) RAPIDJSON_NOEXCEPT : data_() { data_.n.u64 = u64; + data_.f.flags = kNumberUint64Flag; if (!(u64 & RAPIDJSON_UINT64_C2(0x80000000, 0x00000000))) - flags_ |= kInt64Flag; + data_.f.flags |= kInt64Flag; if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x00000000))) - flags_ |= kUintFlag; + data_.f.flags |= kUintFlag; if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000))) - flags_ |= kIntFlag; + data_.f.flags |= kIntFlag; } -#if defined(__APPLE__) - //! Constructor for unsigned long value. - explicit GenericValue(unsigned long u64) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberUint64Flag) { - data_.n.u64 = u64; - if (!(u64 & RAPIDJSON_UINT64_C2(0x80000000, 0x00000000))) - flags_ |= kInt64Flag; - if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x00000000))) - flags_ |= kUintFlag; - if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000))) - flags_ |= kIntFlag; - } - -#if !defined(__x86_64__) && !defined(__arm64__) - //! Constructor for size_t value. - explicit GenericValue( size_t u ) RAPIDJSON_NOEXCEPT : data_(), flags_( kNumberUintFlag ) { - data_.n.u64 = u; - if ( !( u&0x80000000 ) ) - flags_ |= kIntFlag|kInt64Flag; - } -#endif -#endif - //! Constructor for double value. - explicit GenericValue(double d) RAPIDJSON_NOEXCEPT : data_(), flags_(kNumberDoubleFlag) { data_.n.d = d; } + explicit GenericValue(double d) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = d; data_.f.flags = kNumberDoubleFlag; } + + //! Constructor for float value. + explicit GenericValue(float f) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = static_cast<double>(f); data_.f.flags = kNumberDoubleFlag; } //! Constructor for constant string (i.e. do not make a copy of string) - GenericValue(const Ch* s, SizeType length) RAPIDJSON_NOEXCEPT : data_(), flags_() { SetStringRaw(StringRef(s, length)); } + GenericValue(const Ch* s, SizeType length) RAPIDJSON_NOEXCEPT : data_() { SetStringRaw(StringRef(s, length)); } //! Constructor for constant string (i.e. do not make a copy of string) - explicit GenericValue(StringRefType s) RAPIDJSON_NOEXCEPT : data_(), flags_() { SetStringRaw(s); } + explicit GenericValue(StringRefType s) RAPIDJSON_NOEXCEPT : data_() { SetStringRaw(s); } //! Constructor for copy-string (i.e. do make a copy of string) - GenericValue(const Ch* s, SizeType length, Allocator& allocator) : data_(), flags_() { SetStringRaw(StringRef(s, length), allocator); } + GenericValue(const Ch* s, SizeType length, Allocator& allocator) : data_() { SetStringRaw(StringRef(s, length), allocator); } //! Constructor for copy-string (i.e. do make a copy of string) - GenericValue(const Ch*s, Allocator& allocator) : data_(), flags_() { SetStringRaw(StringRef(s), allocator); } + GenericValue(const Ch*s, Allocator& allocator) : data_() { SetStringRaw(StringRef(s), allocator); } #if RAPIDJSON_HAS_STDSTRING //! Constructor for copy-string from a string object (i.e. do make a copy of string) /*! \note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING. */ - GenericValue(const std::basic_string<Ch>& s, Allocator& allocator) : data_(), flags_() { SetStringRaw(StringRef(s), allocator); } + GenericValue(const std::basic_string<Ch>& s, Allocator& allocator) : data_() { SetStringRaw(StringRef(s), allocator); } #endif + //! Constructor for Array. + /*! + \param a An array obtained by \c GetArray(). + \note \c Array is always pass-by-value. + \note the source array is moved into this value and the sourec array becomes empty. + */ + GenericValue(Array a) RAPIDJSON_NOEXCEPT : data_(a.value_.data_) { + a.value_.data_ = Data(); + a.value_.data_.f.flags = kArrayFlag; + } + + //! Constructor for Object. + /*! + \param o An object obtained by \c GetObject(). + \note \c Object is always pass-by-value. + \note the source object is moved into this value and the sourec object becomes empty. + */ + GenericValue(Object o) RAPIDJSON_NOEXCEPT : data_(o.value_.data_) { + o.value_.data_ = Data(); + o.value_.data_.f.flags = kObjectFlag; + } + //! Destructor. /*! Need to destruct elements of array, members of object, or copy-string. */ ~GenericValue() { if (Allocator::kNeedFree) { // Shortcut by Allocator's trait - switch(flags_) { + switch(data_.f.flags) { case kArrayFlag: - for (GenericValue* v = data_.a.elements; v != data_.a.elements + data_.a.size; ++v) - v->~GenericValue(); - Allocator::Free(data_.a.elements); + { + GenericValue* e = GetElementsPointer(); + for (GenericValue* v = e; v != e + data_.a.size; ++v) + v->~GenericValue(); + Allocator::Free(e); + } break; case kObjectFlag: for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m) m->~Member(); - Allocator::Free(data_.o.members); + Allocator::Free(GetMembersPointer()); break; case kCopyStringFlag: - Allocator::Free(const_cast<Ch*>(data_.s.str)); + Allocator::Free(const_cast<Ch*>(GetStringPointer())); break; default: @@ -673,12 +854,13 @@ public: \tparam SourceAllocator Allocator type of \c rhs \param rhs Value to copy from (read-only) \param allocator Allocator to use for copying + \param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer) */ template <typename SourceAllocator> - GenericValue& CopyFrom(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator& allocator) { - RAPIDJSON_ASSERT((void*)this != (void const*)&rhs); + GenericValue& CopyFrom(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) { + RAPIDJSON_ASSERT(static_cast<void*>(this) != static_cast<void const*>(&rhs)); this->~GenericValue(); - new (this) GenericValue(rhs, allocator); + new (this) GenericValue(rhs, allocator, copyConstStrings); return *this; } @@ -758,7 +940,7 @@ public: else return data_.n.u64 == rhs.data_.n.u64; - default: // kTrueType, kFalseType, kNullType + default: return true; } } @@ -806,20 +988,58 @@ public: //!@name Type //@{ - Type GetType() const { return static_cast<Type>(flags_ & kTypeMask); } - bool IsNull() const { return flags_ == kNullFlag; } - bool IsFalse() const { return flags_ == kFalseFlag; } - bool IsTrue() const { return flags_ == kTrueFlag; } - bool IsBool() const { return (flags_ & kBoolFlag) != 0; } - bool IsObject() const { return flags_ == kObjectFlag; } - bool IsArray() const { return flags_ == kArrayFlag; } - bool IsNumber() const { return (flags_ & kNumberFlag) != 0; } - bool IsInt() const { return (flags_ & kIntFlag) != 0; } - bool IsUint() const { return (flags_ & kUintFlag) != 0; } - bool IsInt64() const { return (flags_ & kInt64Flag) != 0; } - bool IsUint64() const { return (flags_ & kUint64Flag) != 0; } - bool IsDouble() const { return (flags_ & kDoubleFlag) != 0; } - bool IsString() const { return (flags_ & kStringFlag) != 0; } + Type GetType() const { return static_cast<Type>(data_.f.flags & kTypeMask); } + bool IsNull() const { return data_.f.flags == kNullFlag; } + bool IsFalse() const { return data_.f.flags == kFalseFlag; } + bool IsTrue() const { return data_.f.flags == kTrueFlag; } + bool IsBool() const { return (data_.f.flags & kBoolFlag) != 0; } + bool IsObject() const { return data_.f.flags == kObjectFlag; } + bool IsArray() const { return data_.f.flags == kArrayFlag; } + bool IsNumber() const { return (data_.f.flags & kNumberFlag) != 0; } + bool IsInt() const { return (data_.f.flags & kIntFlag) != 0; } + bool IsUint() const { return (data_.f.flags & kUintFlag) != 0; } + bool IsInt64() const { return (data_.f.flags & kInt64Flag) != 0; } + bool IsUint64() const { return (data_.f.flags & kUint64Flag) != 0; } + bool IsDouble() const { return (data_.f.flags & kDoubleFlag) != 0; } + bool IsString() const { return (data_.f.flags & kStringFlag) != 0; } + + // Checks whether a number can be losslessly converted to a double. + bool IsLosslessDouble() const { + if (!IsNumber()) return false; + if (IsUint64()) { + uint64_t u = GetUint64(); + volatile double d = static_cast<double>(u); + return (d >= 0.0) + && (d < static_cast<double>((std::numeric_limits<uint64_t>::max)())) + && (u == static_cast<uint64_t>(d)); + } + if (IsInt64()) { + int64_t i = GetInt64(); + volatile double d = static_cast<double>(i); + return (d >= static_cast<double>((std::numeric_limits<int64_t>::min)())) + && (d < static_cast<double>((std::numeric_limits<int64_t>::max)())) + && (i == static_cast<int64_t>(d)); + } + return true; // double, int, uint are always lossless + } + + // Checks whether a number is a float (possible lossy). + bool IsFloat() const { + if ((data_.f.flags & kDoubleFlag) == 0) + return false; + double d = GetDouble(); + return d >= -3.4028234e38 && d <= 3.4028234e38; + } + // Checks whether a number can be losslessly converted to a float. + bool IsLosslessFloat() const { + if (!IsNumber()) return false; + double a = GetDouble(); + if (a < static_cast<double>(-(std::numeric_limits<float>::max)()) + || a > static_cast<double>((std::numeric_limits<float>::max)())) + return false; + double b = static_cast<double>(static_cast<float>(a)); + return a >= b && a <= b; // Prevent -Wfloat-equal + } //@} @@ -833,7 +1053,7 @@ public: //!@name Bool //@{ - bool GetBool() const { RAPIDJSON_ASSERT(IsBool()); return flags_ == kTrueFlag; } + bool GetBool() const { RAPIDJSON_ASSERT(IsBool()); return data_.f.flags == kTrueFlag; } //!< Set boolean value /*! \post IsBool() == true */ GenericValue& SetBool(bool b) { this->~GenericValue(); new (this) GenericValue(b); return *this; } @@ -886,8 +1106,14 @@ public: return member->value; else { RAPIDJSON_ASSERT(false); // see above note - static GenericValue NullValue; - return NullValue; + + // This will generate -Wexit-time-destructors in clang + // static GenericValue NullValue; + // return NullValue; + + // Use static buffer and placement-new to prevent destruction + static char buffer[sizeof(GenericValue)]; + return *new (buffer) GenericValue(); } } template <typename SourceAllocator> @@ -901,16 +1127,16 @@ public: //! Const member iterator /*! \pre IsObject() == true */ - ConstMemberIterator MemberBegin() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(data_.o.members); } + ConstMemberIterator MemberBegin() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(GetMembersPointer()); } //! Const \em past-the-end member iterator /*! \pre IsObject() == true */ - ConstMemberIterator MemberEnd() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(data_.o.members + data_.o.size); } + ConstMemberIterator MemberEnd() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(GetMembersPointer() + data_.o.size); } //! Member iterator /*! \pre IsObject() == true */ - MemberIterator MemberBegin() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(data_.o.members); } + MemberIterator MemberBegin() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(GetMembersPointer()); } //! \em Past-the-end member iterator /*! \pre IsObject() == true */ - MemberIterator MemberEnd() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(data_.o.members + data_.o.size); } + MemberIterator MemberEnd() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(GetMembersPointer() + data_.o.size); } //! Check whether a member exists in the object. /*! @@ -998,8 +1224,8 @@ public: \return Iterator to member, if it exists. Otherwise returns \ref MemberEnd(). */ - MemberIterator FindMember(const std::basic_string<Ch>& name) { return FindMember(StringRef(name)); } - ConstMemberIterator FindMember(const std::basic_string<Ch>& name) const { return FindMember(StringRef(name)); } + MemberIterator FindMember(const std::basic_string<Ch>& name) { return FindMember(GenericValue(StringRef(name))); } + ConstMemberIterator FindMember(const std::basic_string<Ch>& name) const { return FindMember(GenericValue(StringRef(name))); } #endif //! Add a member (name-value pair) to the object. @@ -1016,20 +1242,21 @@ public: RAPIDJSON_ASSERT(IsObject()); RAPIDJSON_ASSERT(name.IsString()); - Object& o = data_.o; + ObjectData& o = data_.o; if (o.size >= o.capacity) { if (o.capacity == 0) { o.capacity = kDefaultObjectCapacity; - o.members = reinterpret_cast<Member*>(allocator.Malloc(o.capacity * sizeof(Member))); + SetMembersPointer(reinterpret_cast<Member*>(allocator.Malloc(o.capacity * sizeof(Member)))); } else { SizeType oldCapacity = o.capacity; o.capacity += (oldCapacity + 1) / 2; // grow by factor 1.5 - o.members = reinterpret_cast<Member*>(allocator.Realloc(o.members, oldCapacity * sizeof(Member), o.capacity * sizeof(Member))); + SetMembersPointer(reinterpret_cast<Member*>(allocator.Realloc(GetMembersPointer(), oldCapacity * sizeof(Member), o.capacity * sizeof(Member)))); } } - o.members[o.size].name.RawAssign(name); - o.members[o.size].value.RawAssign(value); + Member* members = GetMembersPointer(); + members[o.size].name.RawAssign(name); + members[o.size].value.RawAssign(value); o.size++; return *this; } @@ -1208,18 +1435,14 @@ public: MemberIterator RemoveMember(MemberIterator m) { RAPIDJSON_ASSERT(IsObject()); RAPIDJSON_ASSERT(data_.o.size > 0); - RAPIDJSON_ASSERT(data_.o.members != 0); + RAPIDJSON_ASSERT(GetMembersPointer() != 0); RAPIDJSON_ASSERT(m >= MemberBegin() && m < MemberEnd()); - MemberIterator last(data_.o.members + (data_.o.size - 1)); - if (data_.o.size > 1 && m != last) { - // Move the last one to this place - *m = *last; - } - else { - // Only one left, just destroy - m->~Member(); - } + MemberIterator last(GetMembersPointer() + (data_.o.size - 1)); + if (data_.o.size > 1 && m != last) + *m = *last; // Move the last one to this place + else + m->~Member(); // Only one left, just destroy --data_.o.size; return m; } @@ -1249,7 +1472,7 @@ public: MemberIterator EraseMember(ConstMemberIterator first, ConstMemberIterator last) { RAPIDJSON_ASSERT(IsObject()); RAPIDJSON_ASSERT(data_.o.size > 0); - RAPIDJSON_ASSERT(data_.o.members != 0); + RAPIDJSON_ASSERT(GetMembersPointer() != 0); RAPIDJSON_ASSERT(first >= MemberBegin()); RAPIDJSON_ASSERT(first <= last); RAPIDJSON_ASSERT(last <= MemberEnd()); @@ -1257,8 +1480,8 @@ public: MemberIterator pos = MemberBegin() + (first - MemberBegin()); for (MemberIterator itr = pos; itr != last; ++itr) itr->~Member(); - std::memmove(&*pos, &*last, (MemberEnd() - last) * sizeof(Member)); - data_.o.size -= (last - first); + std::memmove(&*pos, &*last, static_cast<size_t>(MemberEnd() - last) * sizeof(Member)); + data_.o.size -= static_cast<SizeType>(last - first); return pos; } @@ -1287,6 +1510,9 @@ public: return false; } + Object GetObject() { RAPIDJSON_ASSERT(IsObject()); return Object(*this); } + ConstObject GetObject() const { RAPIDJSON_ASSERT(IsObject()); return ConstObject(*this); } + //@} //!@name Array @@ -1294,7 +1520,7 @@ public: //! Set this value as an empty array. /*! \post IsArray == true */ - GenericValue& SetArray() { this->~GenericValue(); new (this) GenericValue(kArrayType); return *this; } + GenericValue& SetArray() { this->~GenericValue(); new (this) GenericValue(kArrayType); return *this; } //! Get the number of elements in array. SizeType Size() const { RAPIDJSON_ASSERT(IsArray()); return data_.a.size; } @@ -1311,8 +1537,9 @@ public: */ void Clear() { RAPIDJSON_ASSERT(IsArray()); - for (SizeType i = 0; i < data_.a.size; ++i) - data_.a.elements[i].~GenericValue(); + GenericValue* e = GetElementsPointer(); + for (GenericValue* v = e; v != e + data_.a.size; ++v) + v->~GenericValue(); data_.a.size = 0; } @@ -1324,16 +1551,16 @@ public: GenericValue& operator[](SizeType index) { RAPIDJSON_ASSERT(IsArray()); RAPIDJSON_ASSERT(index < data_.a.size); - return data_.a.elements[index]; + return GetElementsPointer()[index]; } const GenericValue& operator[](SizeType index) const { return const_cast<GenericValue&>(*this)[index]; } //! Element iterator /*! \pre IsArray() == true */ - ValueIterator Begin() { RAPIDJSON_ASSERT(IsArray()); return data_.a.elements; } + ValueIterator Begin() { RAPIDJSON_ASSERT(IsArray()); return GetElementsPointer(); } //! \em Past-the-end element iterator /*! \pre IsArray() == true */ - ValueIterator End() { RAPIDJSON_ASSERT(IsArray()); return data_.a.elements + data_.a.size; } + ValueIterator End() { RAPIDJSON_ASSERT(IsArray()); return GetElementsPointer() + data_.a.size; } //! Constant element iterator /*! \pre IsArray() == true */ ConstValueIterator Begin() const { return const_cast<GenericValue&>(*this).Begin(); } @@ -1350,7 +1577,7 @@ public: GenericValue& Reserve(SizeType newCapacity, Allocator &allocator) { RAPIDJSON_ASSERT(IsArray()); if (newCapacity > data_.a.capacity) { - data_.a.elements = (GenericValue*)allocator.Realloc(data_.a.elements, data_.a.capacity * sizeof(GenericValue), newCapacity * sizeof(GenericValue)); + SetElementsPointer(reinterpret_cast<GenericValue*>(allocator.Realloc(GetElementsPointer(), data_.a.capacity * sizeof(GenericValue), newCapacity * sizeof(GenericValue)))); data_.a.capacity = newCapacity; } return *this; @@ -1370,7 +1597,7 @@ public: RAPIDJSON_ASSERT(IsArray()); if (data_.a.size >= data_.a.capacity) Reserve(data_.a.capacity == 0 ? kDefaultArrayCapacity : (data_.a.capacity + (data_.a.capacity + 1) / 2), allocator); - data_.a.elements[data_.a.size++].RawAssign(value); + GetElementsPointer()[data_.a.size++].RawAssign(value); return *this; } @@ -1424,7 +1651,7 @@ public: GenericValue& PopBack() { RAPIDJSON_ASSERT(IsArray()); RAPIDJSON_ASSERT(!Empty()); - data_.a.elements[--data_.a.size].~GenericValue(); + GetElementsPointer()[--data_.a.size].~GenericValue(); return *this; } @@ -1450,35 +1677,48 @@ public: ValueIterator Erase(ConstValueIterator first, ConstValueIterator last) { RAPIDJSON_ASSERT(IsArray()); RAPIDJSON_ASSERT(data_.a.size > 0); - RAPIDJSON_ASSERT(data_.a.elements != 0); + RAPIDJSON_ASSERT(GetElementsPointer() != 0); RAPIDJSON_ASSERT(first >= Begin()); RAPIDJSON_ASSERT(first <= last); RAPIDJSON_ASSERT(last <= End()); ValueIterator pos = Begin() + (first - Begin()); for (ValueIterator itr = pos; itr != last; ++itr) itr->~GenericValue(); - std::memmove(pos, last, (End() - last) * sizeof(GenericValue)); - data_.a.size -= (last - first); + std::memmove(pos, last, static_cast<size_t>(End() - last) * sizeof(GenericValue)); + data_.a.size -= static_cast<SizeType>(last - first); return pos; } + Array GetArray() { RAPIDJSON_ASSERT(IsArray()); return Array(*this); } + ConstArray GetArray() const { RAPIDJSON_ASSERT(IsArray()); return ConstArray(*this); } + //@} //!@name Number //@{ - int GetInt() const { RAPIDJSON_ASSERT(flags_ & kIntFlag); return data_.n.i.i; } - unsigned GetUint() const { RAPIDJSON_ASSERT(flags_ & kUintFlag); return data_.n.u.u; } - int64_t GetInt64() const { RAPIDJSON_ASSERT(flags_ & kInt64Flag); return data_.n.i64; } - uint64_t GetUint64() const { RAPIDJSON_ASSERT(flags_ & kUint64Flag); return data_.n.u64; } + int GetInt() const { RAPIDJSON_ASSERT(data_.f.flags & kIntFlag); return data_.n.i.i; } + unsigned GetUint() const { RAPIDJSON_ASSERT(data_.f.flags & kUintFlag); return data_.n.u.u; } + int64_t GetInt64() const { RAPIDJSON_ASSERT(data_.f.flags & kInt64Flag); return data_.n.i64; } + uint64_t GetUint64() const { RAPIDJSON_ASSERT(data_.f.flags & kUint64Flag); return data_.n.u64; } + //! Get the value as double type. + /*! \note If the value is 64-bit integer type, it may lose precision. Use \c IsLosslessDouble() to check whether the converison is lossless. + */ double GetDouble() const { RAPIDJSON_ASSERT(IsNumber()); - if ((flags_ & kDoubleFlag) != 0) return data_.n.d; // exact type, no conversion. - if ((flags_ & kIntFlag) != 0) return data_.n.i.i; // int -> double - if ((flags_ & kUintFlag) != 0) return data_.n.u.u; // unsigned -> double - if ((flags_ & kInt64Flag) != 0) return (double)data_.n.i64; // int64_t -> double (may lose precision) - RAPIDJSON_ASSERT((flags_ & kUint64Flag) != 0); return (double)data_.n.u64; // uint64_t -> double (may lose precision) + if ((data_.f.flags & kDoubleFlag) != 0) return data_.n.d; // exact type, no conversion. + if ((data_.f.flags & kIntFlag) != 0) return data_.n.i.i; // int -> double + if ((data_.f.flags & kUintFlag) != 0) return data_.n.u.u; // unsigned -> double + if ((data_.f.flags & kInt64Flag) != 0) return static_cast<double>(data_.n.i64); // int64_t -> double (may lose precision) + RAPIDJSON_ASSERT((data_.f.flags & kUint64Flag) != 0); return static_cast<double>(data_.n.u64); // uint64_t -> double (may lose precision) + } + + //! Get the value as float type. + /*! \note If the value is 64-bit integer type, it may lose precision. Use \c IsLosslessFloat() to check whether the converison is lossless. + */ + float GetFloat() const { + return static_cast<float>(GetDouble()); } GenericValue& SetInt(int i) { this->~GenericValue(); new (this) GenericValue(i); return *this; } @@ -1486,18 +1726,19 @@ public: GenericValue& SetInt64(int64_t i64) { this->~GenericValue(); new (this) GenericValue(i64); return *this; } GenericValue& SetUint64(uint64_t u64) { this->~GenericValue(); new (this) GenericValue(u64); return *this; } GenericValue& SetDouble(double d) { this->~GenericValue(); new (this) GenericValue(d); return *this; } + GenericValue& SetFloat(float f) { this->~GenericValue(); new (this) GenericValue(static_cast<double>(f)); return *this; } //@} //!@name String //@{ - const Ch* GetString() const { RAPIDJSON_ASSERT(IsString()); return ((flags_ & kInlineStrFlag) ? data_.ss.str : data_.s.str); } + const Ch* GetString() const { RAPIDJSON_ASSERT(IsString()); return (data_.f.flags & kInlineStrFlag) ? data_.ss.str : GetStringPointer(); } //! Get the length of string. /*! Since rapidjson permits "\\u0000" in the json string, strlen(v.GetString()) may not equal to v.GetStringLength(). */ - SizeType GetStringLength() const { RAPIDJSON_ASSERT(IsString()); return ((flags_ & kInlineStrFlag) ? (data_.ss.GetLength()) : data_.s.length); } + SizeType GetStringLength() const { RAPIDJSON_ASSERT(IsString()); return ((data_.f.flags & kInlineStrFlag) ? (data_.ss.GetLength()) : data_.s.length); } //! Set this value as a string without copying source string. /*! This version has better performance with supplied length, and also support string containing null character. @@ -1524,7 +1765,7 @@ public: \return The value itself for fluent API. \post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length */ - GenericValue& SetString(const Ch* s, SizeType length, Allocator& allocator) { this->~GenericValue(); SetStringRaw(StringRef(s, length), allocator); return *this; } + GenericValue& SetString(const Ch* s, SizeType length, Allocator& allocator) { return SetString(StringRef(s, length), allocator); } //! Set this value as a string by copying from source string. /*! \param s source string. @@ -1532,7 +1773,15 @@ public: \return The value itself for fluent API. \post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length */ - GenericValue& SetString(const Ch* s, Allocator& allocator) { return SetString(s, internal::StrLen(s), allocator); } + GenericValue& SetString(const Ch* s, Allocator& allocator) { return SetString(StringRef(s), allocator); } + + //! Set this value as a string by copying from source string. + /*! \param s source string reference + \param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator(). + \return The value itself for fluent API. + \post IsString() == true && GetString() != s.s && strcmp(GetString(),s) == 0 && GetStringLength() == length + */ + GenericValue& SetString(StringRefType s, Allocator& allocator) { this->~GenericValue(); SetStringRaw(s, allocator); return *this; } #if RAPIDJSON_HAS_STDSTRING //! Set this value as a string by copying from source string. @@ -1542,11 +1791,35 @@ public: \post IsString() == true && GetString() != s.data() && strcmp(GetString(),s.data() == 0 && GetStringLength() == s.size() \note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING. */ - GenericValue& SetString(const std::basic_string<Ch>& s, Allocator& allocator) { return SetString(s.data(), SizeType(s.size()), allocator); } + GenericValue& SetString(const std::basic_string<Ch>& s, Allocator& allocator) { return SetString(StringRef(s), allocator); } #endif //@} + //!@name Array + //@{ + + //! Templated version for checking whether this value is type T. + /*! + \tparam T Either \c bool, \c int, \c unsigned, \c int64_t, \c uint64_t, \c double, \c float, \c const \c char*, \c std::basic_string<Ch> + */ + template <typename T> + bool Is() const { return internal::TypeHelper<ValueType, T>::Is(*this); } + + template <typename T> + T Get() const { return internal::TypeHelper<ValueType, T>::Get(*this); } + + template <typename T> + T Get() { return internal::TypeHelper<ValueType, T>::Get(*this); } + + template<typename T> + ValueType& Set(const T& data) { return internal::TypeHelper<ValueType, T>::Set(*this, data); } + + template<typename T> + ValueType& Set(const T& data, AllocatorType& allocator) { return internal::TypeHelper<ValueType, T>::Set(*this, data, allocator); } + + //@} + //! Generate events of this value to a Handler. /*! This function adopts the GoF visitor pattern. Typical usage is to output this JSON value as JSON text via Writer, which is a Handler. @@ -1562,35 +1835,35 @@ public: case kTrueType: return handler.Bool(true); case kObjectType: - if (!handler.StartObject()) + if (RAPIDJSON_UNLIKELY(!handler.StartObject())) return false; for (ConstMemberIterator m = MemberBegin(); m != MemberEnd(); ++m) { RAPIDJSON_ASSERT(m->name.IsString()); // User may change the type of name by MemberIterator. - if (!handler.Key(m->name.GetString(), m->name.GetStringLength(), (m->name.flags_ & kCopyFlag) != 0)) + if (RAPIDJSON_UNLIKELY(!handler.Key(m->name.GetString(), m->name.GetStringLength(), (m->name.data_.f.flags & kCopyFlag) != 0))) return false; - if (!m->value.Accept(handler)) + if (RAPIDJSON_UNLIKELY(!m->value.Accept(handler))) return false; } return handler.EndObject(data_.o.size); case kArrayType: - if (!handler.StartArray()) + if (RAPIDJSON_UNLIKELY(!handler.StartArray())) return false; - for (GenericValue* v = data_.a.elements; v != data_.a.elements + data_.a.size; ++v) - if (!v->Accept(handler)) + for (const GenericValue* v = Begin(); v != End(); ++v) + if (RAPIDJSON_UNLIKELY(!v->Accept(handler))) return false; return handler.EndArray(data_.a.size); case kStringType: - return handler.String(GetString(), GetStringLength(), (flags_ & kCopyFlag) != 0); + return handler.String(GetString(), GetStringLength(), (data_.f.flags & kCopyFlag) != 0); default: RAPIDJSON_ASSERT(GetType() == kNumberType); - if (IsInt()) return handler.Int(data_.n.i.i); + if (IsDouble()) return handler.Double(data_.n.d); + else if (IsInt()) return handler.Int(data_.n.i.i); else if (IsUint()) return handler.Uint(data_.n.u.u); else if (IsInt64()) return handler.Int64(data_.n.i64); - else if (IsUint64()) return handler.Uint64(data_.n.u64); - else return handler.Double(data_.n.d); + else return handler.Uint64(data_.n.u64); } } @@ -1599,16 +1872,16 @@ private: template <typename, typename, typename> friend class GenericDocument; enum { - kBoolFlag = 0x100, - kNumberFlag = 0x200, - kIntFlag = 0x400, - kUintFlag = 0x800, - kInt64Flag = 0x1000, - kUint64Flag = 0x2000, - kDoubleFlag = 0x4000, - kStringFlag = 0x100000, - kCopyFlag = 0x200000, - kInlineStrFlag = 0x400000, + kBoolFlag = 0x0008, + kNumberFlag = 0x0010, + kIntFlag = 0x0020, + kUintFlag = 0x0040, + kInt64Flag = 0x0080, + kUint64Flag = 0x0100, + kDoubleFlag = 0x0200, + kStringFlag = 0x0400, + kCopyFlag = 0x0800, + kInlineStrFlag = 0x1000, // Initial flags of different types. kNullFlag = kNullType, @@ -1626,16 +1899,27 @@ private: kObjectFlag = kObjectType, kArrayFlag = kArrayType, - kTypeMask = 0xFF // bitwise-and with mask of 0xFF can be optimized by compiler + kTypeMask = 0x07 }; static const SizeType kDefaultArrayCapacity = 16; static const SizeType kDefaultObjectCapacity = 16; + struct Flag { +#if RAPIDJSON_48BITPOINTER_OPTIMIZATION + char payload[sizeof(SizeType) * 2 + 6]; // 2 x SizeType + lower 48-bit pointer +#elif RAPIDJSON_64BIT + char payload[sizeof(SizeType) * 2 + sizeof(void*) + 6]; // 6 padding bytes +#else + char payload[sizeof(SizeType) * 2 + sizeof(void*) + 2]; // 2 padding bytes +#endif + uint16_t flags; + }; + struct String { - const Ch* str; SizeType length; - unsigned hashcode; //!< reserved + SizeType hashcode; //!< reserved + const Ch* str; }; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode // implementation detail: ShortString can represent zero-terminated strings up to MaxSize chars @@ -1644,15 +1928,15 @@ private: // to store has the maximal length of MaxSize then str[LenPos] will be 0 and therefore act as // the string terminator as well. For getting the string length back from that value just use // "MaxSize - str[LenPos]". - // This allows to store 11-chars strings in 32-bit mode and 15-chars strings in 64-bit mode - // inline (for `UTF8`-encoded strings). + // This allows to store 13-chars strings in 32-bit mode, 21-chars strings in 64-bit mode, + // 13-chars strings for RAPIDJSON_48BITPOINTER_OPTIMIZATION=1 inline (for `UTF8`-encoded strings). struct ShortString { - enum { MaxChars = sizeof(String) / sizeof(Ch), MaxSize = MaxChars - 1, LenPos = MaxSize }; + enum { MaxChars = sizeof(static_cast<Flag*>(0)->payload) / sizeof(Ch), MaxSize = MaxChars - 1, LenPos = MaxSize }; Ch str[MaxChars]; - inline static bool Usable(SizeType len) { return (MaxSize >= len); } - inline void SetLength(SizeType len) { str[LenPos] = (Ch)(MaxSize - len); } - inline SizeType GetLength() const { return (SizeType)(MaxSize - str[LenPos]); } + inline static bool Usable(SizeType len) { return (MaxSize >= len); } + inline void SetLength(SizeType len) { str[LenPos] = static_cast<Ch>(MaxSize - len); } + inline SizeType GetLength() const { return static_cast<SizeType>(MaxSize - str[LenPos]); } }; // at most as many bytes as "String" above => 12 bytes in 32-bit mode, 16 bytes in 64-bit mode // By using proper binary layout, retrieval of different integer types do not need conversions. @@ -1681,69 +1965,79 @@ private: double d; }; // 8 bytes - struct Object { - Member* members; + struct ObjectData { SizeType size; SizeType capacity; + Member* members; }; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode - struct Array { - GenericValue* elements; + struct ArrayData { SizeType size; SizeType capacity; + GenericValue* elements; }; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode union Data { String s; ShortString ss; Number n; - Object o; - Array a; - }; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode + ObjectData o; + ArrayData a; + Flag f; + }; // 16 bytes in 32-bit mode, 24 bytes in 64-bit mode, 16 bytes in 64-bit with RAPIDJSON_48BITPOINTER_OPTIMIZATION + + RAPIDJSON_FORCEINLINE const Ch* GetStringPointer() const { return RAPIDJSON_GETPOINTER(Ch, data_.s.str); } + RAPIDJSON_FORCEINLINE const Ch* SetStringPointer(const Ch* str) { return RAPIDJSON_SETPOINTER(Ch, data_.s.str, str); } + RAPIDJSON_FORCEINLINE GenericValue* GetElementsPointer() const { return RAPIDJSON_GETPOINTER(GenericValue, data_.a.elements); } + RAPIDJSON_FORCEINLINE GenericValue* SetElementsPointer(GenericValue* elements) { return RAPIDJSON_SETPOINTER(GenericValue, data_.a.elements, elements); } + RAPIDJSON_FORCEINLINE Member* GetMembersPointer() const { return RAPIDJSON_GETPOINTER(Member, data_.o.members); } + RAPIDJSON_FORCEINLINE Member* SetMembersPointer(Member* members) { return RAPIDJSON_SETPOINTER(Member, data_.o.members, members); } // Initialize this value as array with initial data, without calling destructor. void SetArrayRaw(GenericValue* values, SizeType count, Allocator& allocator) { - flags_ = kArrayFlag; + data_.f.flags = kArrayFlag; if (count) { - data_.a.elements = (GenericValue*)allocator.Malloc(count * sizeof(GenericValue)); - std::memcpy(data_.a.elements, values, count * sizeof(GenericValue)); + GenericValue* e = static_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue))); + SetElementsPointer(e); + std::memcpy(e, values, count * sizeof(GenericValue)); } else - data_.a.elements = NULL; + SetElementsPointer(0); data_.a.size = data_.a.capacity = count; } //! Initialize this value as object with initial data, without calling destructor. void SetObjectRaw(Member* members, SizeType count, Allocator& allocator) { - flags_ = kObjectFlag; + data_.f.flags = kObjectFlag; if (count) { - data_.o.members = (Member*)allocator.Malloc(count * sizeof(Member)); - std::memcpy(data_.o.members, members, count * sizeof(Member)); + Member* m = static_cast<Member*>(allocator.Malloc(count * sizeof(Member))); + SetMembersPointer(m); + std::memcpy(m, members, count * sizeof(Member)); } else - data_.o.members = NULL; + SetMembersPointer(0); data_.o.size = data_.o.capacity = count; } //! Initialize this value as constant string, without calling destructor. void SetStringRaw(StringRefType s) RAPIDJSON_NOEXCEPT { - flags_ = kConstStringFlag; - data_.s.str = s; + data_.f.flags = kConstStringFlag; + SetStringPointer(s); data_.s.length = s.length; } //! Initialize this value as copy string with initial data, without calling destructor. void SetStringRaw(StringRefType s, Allocator& allocator) { - Ch* str = NULL; - if(ShortString::Usable(s.length)) { - flags_ = kShortStringFlag; + Ch* str = 0; + if (ShortString::Usable(s.length)) { + data_.f.flags = kShortStringFlag; data_.ss.SetLength(s.length); str = data_.ss.str; } else { - flags_ = kCopyStringFlag; + data_.f.flags = kCopyStringFlag; data_.s.length = s.length; - str = (Ch *)allocator.Malloc((s.length + 1) * sizeof(Ch)); - data_.s.str = str; + str = static_cast<Ch *>(allocator.Malloc((s.length + 1) * sizeof(Ch))); + SetStringPointer(str); } std::memcpy(str, s, s.length * sizeof(Ch)); str[s.length] = '\0'; @@ -1752,8 +2046,8 @@ private: //! Assignment without calling destructor void RawAssign(GenericValue& rhs) RAPIDJSON_NOEXCEPT { data_ = rhs.data_; - flags_ = rhs.flags_; - rhs.flags_ = kNullFlag; + // data_.f.flags = rhs.data_.f.flags; + rhs.data_.f.flags = kNullFlag; } template <typename SourceAllocator> @@ -1773,7 +2067,6 @@ private: } Data data_; - unsigned flags_; }; //! GenericValue with UTF8 encoding @@ -1808,7 +2101,7 @@ public: GenericValue<Encoding, Allocator>(type), allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_() { if (!allocator_) - ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator()); + ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)(); } //! Constructor @@ -1821,7 +2114,7 @@ public: allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_() { if (!allocator_) - ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator()); + ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)(); } #if RAPIDJSON_HAS_CXX11_RVALUE_REFS @@ -1869,7 +2162,7 @@ public: //! Exchange the contents of this document with those of another. /*! - \param other Another document. + \param rhs Another document. \note Constant complexity. \see GenericValue::Swap */ @@ -1882,6 +2175,10 @@ public: return *this; } + // Allow Swap with ValueType. + // Refer to Effective C++ 3rd Edition/Item 33: Avoid hiding inherited names. + using ValueType::Swap; + //! free-standing swap function helper /*! Helper function to enable support for common swap implementation pattern based on \c std::swap: @@ -1896,6 +2193,21 @@ public: */ friend inline void swap(GenericDocument& a, GenericDocument& b) RAPIDJSON_NOEXCEPT { a.Swap(b); } + //! Populate this document by a generator which produces SAX events. + /*! \tparam Generator A functor with <tt>bool f(Handler)</tt> prototype. + \param g Generator functor which sends SAX events to the parameter. + \return The document itself for fluent API. + */ + template <typename Generator> + GenericDocument& Populate(Generator& g) { + ClearStackOnExit scope(*this); + if (g(*this)) { + RAPIDJSON_ASSERT(stack_.GetSize() == sizeof(ValueType)); // Got one and only one root object + ValueType::operator=(*stack_.template Pop<ValueType>(1));// Move value from stack to document + } + return *this; + } + //!@name Parse from stream //!@{ @@ -1973,7 +2285,7 @@ public: \param str Read-only zero-terminated string to be parsed. */ template <unsigned parseFlags, typename SourceEncoding> - GenericDocument& Parse(const Ch* str) { + GenericDocument& Parse(const typename SourceEncoding::Ch* str) { RAPIDJSON_ASSERT(!(parseFlags & kParseInsituFlag)); GenericStringStream<SourceEncoding> s(str); return ParseStream<parseFlags, SourceEncoding>(s); @@ -1994,6 +2306,42 @@ public: GenericDocument& Parse(const Ch* str) { return Parse<kParseDefaultFlags>(str); } + + template <unsigned parseFlags, typename SourceEncoding> + GenericDocument& Parse(const typename SourceEncoding::Ch* str, size_t length) { + RAPIDJSON_ASSERT(!(parseFlags & kParseInsituFlag)); + MemoryStream ms(reinterpret_cast<const char*>(str), length * sizeof(typename SourceEncoding::Ch)); + EncodedInputStream<SourceEncoding, MemoryStream> is(ms); + ParseStream<parseFlags, SourceEncoding>(is); + return *this; + } + + template <unsigned parseFlags> + GenericDocument& Parse(const Ch* str, size_t length) { + return Parse<parseFlags, Encoding>(str, length); + } + + GenericDocument& Parse(const Ch* str, size_t length) { + return Parse<kParseDefaultFlags>(str, length); + } + +#if RAPIDJSON_HAS_STDSTRING + template <unsigned parseFlags, typename SourceEncoding> + GenericDocument& Parse(const std::basic_string<typename SourceEncoding::Ch>& str) { + // c_str() is constant complexity according to standard. Should be faster than Parse(const char*, size_t) + return Parse<parseFlags, SourceEncoding>(str.c_str()); + } + + template <unsigned parseFlags> + GenericDocument& Parse(const std::basic_string<Ch>& str) { + return Parse<parseFlags, Encoding>(str.c_str()); + } + + GenericDocument& Parse(const std::basic_string<Ch>& str) { + return Parse<kParseDefaultFlags>(str); + } +#endif // RAPIDJSON_HAS_STDSTRING + //!@} //!@name Handling parse errors @@ -2008,6 +2356,19 @@ public: //! Get the position of last parsing error in input, 0 otherwise. size_t GetErrorOffset() const { return parseResult_.Offset(); } + //! Implicit conversion to get the last parse result +#ifndef __clang // -Wdocumentation + /*! \return \ref ParseResult of the last parse operation + + \code + Document doc; + ParseResult ok = doc.Parse(json); + if (!ok) + printf( "JSON parse error: %s (%u)\n", GetParseError_En(ok.Code()), ok.Offset()); + \endcode + */ +#endif + operator ParseResult() const { return parseResult_; } //!@} //! Get the allocator of this document. @@ -2031,9 +2392,10 @@ private: }; // callers of the following private Handler functions - template <typename,typename,typename> friend class GenericReader; // for parsing + // template <typename,typename,typename> friend class GenericReader; // for parsing template <typename, typename> friend class GenericValue; // for deep copying +public: // Implementation of Handler bool Null() { new (stack_.template Push<ValueType>()) ValueType(); return true; } bool Bool(bool b) { new (stack_.template Push<ValueType>()) ValueType(b); return true; } @@ -2043,6 +2405,14 @@ private: bool Uint64(uint64_t i) { new (stack_.template Push<ValueType>()) ValueType(i); return true; } bool Double(double d) { new (stack_.template Push<ValueType>()) ValueType(d); return true; } + bool RawNumber(const Ch* str, SizeType length, bool copy) { + if (copy) + new (stack_.template Push<ValueType>()) ValueType(str, length, GetAllocator()); + else + new (stack_.template Push<ValueType>()) ValueType(str, length); + return true; + } + bool String(const Ch* str, SizeType length, bool copy) { if (copy) new (stack_.template Push<ValueType>()) ValueType(str, length, GetAllocator()); @@ -2057,7 +2427,7 @@ private: bool EndObject(SizeType memberCount) { typename ValueType::Member* members = stack_.template Pop<typename ValueType::Member>(memberCount); - stack_.template Top<ValueType>()->SetObjectRaw(members, (SizeType)memberCount, GetAllocator()); + stack_.template Top<ValueType>()->SetObjectRaw(members, memberCount, GetAllocator()); return true; } @@ -2098,39 +2468,146 @@ private: //! GenericDocument with UTF8 encoding typedef GenericDocument<UTF8<> > Document; -// defined here due to the dependency on GenericDocument -template <typename Encoding, typename Allocator> -template <typename SourceAllocator> -inline -GenericValue<Encoding,Allocator>::GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator) -{ - switch (rhs.GetType()) { - case kObjectType: - case kArrayType: { // perform deep copy via SAX Handler - GenericDocument<Encoding,Allocator> d(&allocator); - rhs.Accept(d); - RawAssign(*d.stack_.template Pop<GenericValue>(1)); - } - break; - case kStringType: - if (rhs.flags_ == kConstStringFlag) { - flags_ = rhs.flags_; - data_ = *reinterpret_cast<const Data*>(&rhs.data_); - } else { - SetStringRaw(StringRef(rhs.GetString(), rhs.GetStringLength()), allocator); - } - break; - default: // kNumberType, kTrueType, kFalseType, kNullType - flags_ = rhs.flags_; - data_ = *reinterpret_cast<const Data*>(&rhs.data_); - break; - } -} +//! Helper class for accessing Value of array type. +/*! + Instance of this helper class is obtained by \c GenericValue::GetArray(). + In addition to all APIs for array type, it provides range-based for loop if \c RAPIDJSON_HAS_CXX11_RANGE_FOR=1. +*/ +template <bool Const, typename ValueT> +class GenericArray { +public: + typedef GenericArray<true, ValueT> ConstArray; + typedef GenericArray<false, ValueT> Array; + typedef ValueT PlainType; + typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType; + typedef ValueType* ValueIterator; // This may be const or non-const iterator + typedef const ValueT* ConstValueIterator; + typedef typename ValueType::AllocatorType AllocatorType; + typedef typename ValueType::StringRefType StringRefType; + + template <typename, typename> + friend class GenericValue; + + GenericArray(const GenericArray& rhs) : value_(rhs.value_) {} + GenericArray& operator=(const GenericArray& rhs) { value_ = rhs.value_; return *this; } + ~GenericArray() {} + + SizeType Size() const { return value_.Size(); } + SizeType Capacity() const { return value_.Capacity(); } + bool Empty() const { return value_.Empty(); } + void Clear() const { value_.Clear(); } + ValueType& operator[](SizeType index) const { return value_[index]; } + ValueIterator Begin() const { return value_.Begin(); } + ValueIterator End() const { return value_.End(); } + GenericArray Reserve(SizeType newCapacity, AllocatorType &allocator) const { value_.Reserve(newCapacity, allocator); return *this; } + GenericArray PushBack(ValueType& value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; } +#if RAPIDJSON_HAS_CXX11_RVALUE_REFS + GenericArray PushBack(ValueType&& value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; } +#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS + GenericArray PushBack(StringRefType value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; } + template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (const GenericArray&)) PushBack(T value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; } + GenericArray PopBack() const { value_.PopBack(); return *this; } + ValueIterator Erase(ConstValueIterator pos) const { return value_.Erase(pos); } + ValueIterator Erase(ConstValueIterator first, ConstValueIterator last) const { return value_.Erase(first, last); } + +#if RAPIDJSON_HAS_CXX11_RANGE_FOR + ValueIterator begin() const { return value_.Begin(); } + ValueIterator end() const { return value_.End(); } +#endif -RAPIDJSON_NAMESPACE_END +private: + GenericArray(); + GenericArray(ValueType& value) : value_(value) {} + ValueType& value_; +}; -#if defined(_MSC_VER) || defined(__GNUC__) -RAPIDJSON_DIAG_POP +//! Helper class for accessing Value of object type. +/*! + Instance of this helper class is obtained by \c GenericValue::GetObject(). + In addition to all APIs for array type, it provides range-based for loop if \c RAPIDJSON_HAS_CXX11_RANGE_FOR=1. +*/ +template <bool Const, typename ValueT> +class GenericObject { +public: + typedef GenericObject<true, ValueT> ConstObject; + typedef GenericObject<false, ValueT> Object; + typedef ValueT PlainType; + typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType; + typedef GenericMemberIterator<Const, typename ValueT::EncodingType, typename ValueT::AllocatorType> MemberIterator; // This may be const or non-const iterator + typedef GenericMemberIterator<true, typename ValueT::EncodingType, typename ValueT::AllocatorType> ConstMemberIterator; + typedef typename ValueType::AllocatorType AllocatorType; + typedef typename ValueType::StringRefType StringRefType; + typedef typename ValueType::EncodingType EncodingType; + typedef typename ValueType::Ch Ch; + + template <typename, typename> + friend class GenericValue; + + GenericObject(const GenericObject& rhs) : value_(rhs.value_) {} + GenericObject& operator=(const GenericObject& rhs) { value_ = rhs.value_; return *this; } + ~GenericObject() {} + + SizeType MemberCount() const { return value_.MemberCount(); } + bool ObjectEmpty() const { return value_.ObjectEmpty(); } + template <typename T> ValueType& operator[](T* name) const { return value_[name]; } + template <typename SourceAllocator> ValueType& operator[](const GenericValue<EncodingType, SourceAllocator>& name) const { return value_[name]; } +#if RAPIDJSON_HAS_STDSTRING + ValueType& operator[](const std::basic_string<Ch>& name) const { return value_[name]; } +#endif + MemberIterator MemberBegin() const { return value_.MemberBegin(); } + MemberIterator MemberEnd() const { return value_.MemberEnd(); } + bool HasMember(const Ch* name) const { return value_.HasMember(name); } +#if RAPIDJSON_HAS_STDSTRING + bool HasMember(const std::basic_string<Ch>& name) const { return value_.HasMember(name); } +#endif + template <typename SourceAllocator> bool HasMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.HasMember(name); } + MemberIterator FindMember(const Ch* name) const { return value_.FindMember(name); } + template <typename SourceAllocator> MemberIterator FindMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.FindMember(name); } +#if RAPIDJSON_HAS_STDSTRING + MemberIterator FindMember(const std::basic_string<Ch>& name) const { return value_.FindMember(name); } +#endif + GenericObject AddMember(ValueType& name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + GenericObject AddMember(ValueType& name, StringRefType value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } +#if RAPIDJSON_HAS_STDSTRING + GenericObject AddMember(ValueType& name, std::basic_string<Ch>& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } #endif + template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (ValueType&)) AddMember(ValueType& name, T value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } +#if RAPIDJSON_HAS_CXX11_RVALUE_REFS + GenericObject AddMember(ValueType&& name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + GenericObject AddMember(ValueType&& name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + GenericObject AddMember(ValueType& name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + GenericObject AddMember(StringRefType name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } +#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS + GenericObject AddMember(StringRefType name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + GenericObject AddMember(StringRefType name, StringRefType value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericObject)) AddMember(StringRefType name, T value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; } + void RemoveAllMembers() { value_.RemoveAllMembers(); } + bool RemoveMember(const Ch* name) const { return value_.RemoveMember(name); } +#if RAPIDJSON_HAS_STDSTRING + bool RemoveMember(const std::basic_string<Ch>& name) const { return value_.RemoveMember(name); } +#endif + template <typename SourceAllocator> bool RemoveMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.RemoveMember(name); } + MemberIterator RemoveMember(MemberIterator m) const { return value_.RemoveMember(m); } + MemberIterator EraseMember(ConstMemberIterator pos) const { return value_.EraseMember(pos); } + MemberIterator EraseMember(ConstMemberIterator first, ConstMemberIterator last) const { return value_.EraseMember(first, last); } + bool EraseMember(const Ch* name) const { return value_.EraseMember(name); } +#if RAPIDJSON_HAS_STDSTRING + bool EraseMember(const std::basic_string<Ch>& name) const { return EraseMember(ValueType(StringRef(name))); } +#endif + template <typename SourceAllocator> bool EraseMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.EraseMember(name); } + +#if RAPIDJSON_HAS_CXX11_RANGE_FOR + MemberIterator begin() const { return value_.MemberBegin(); } + MemberIterator end() const { return value_.MemberEnd(); } +#endif + +private: + GenericObject(); + GenericObject(ValueType& value) : value_(value) {} + ValueType& value_; +}; + +RAPIDJSON_NAMESPACE_END +RAPIDJSON_DIAG_POP #endif // RAPIDJSON_DOCUMENT_H_ |