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Diffstat (limited to 'third_party/rapidjson/pointer.h')
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diff --git a/third_party/rapidjson/pointer.h b/third_party/rapidjson/pointer.h deleted file mode 100644 index ad401606..00000000 --- a/third_party/rapidjson/pointer.h +++ /dev/null @@ -1,1716 +0,0 @@ -// Tencent is pleased to support the open source community by making RapidJSON -// available. -// -// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All -// rights reserved. -// -// Licensed under the MIT License (the "License"); you may not use this file -// except in compliance with the License. You may obtain a copy of the License -// at -// -// http://opensource.org/licenses/MIT -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -// License for the specific language governing permissions and limitations under -// the License. - -#ifndef RAPIDJSON_POINTER_H_ -#define RAPIDJSON_POINTER_H_ - -#include "document.h" -#include "rapidjson/internal/itoa.h" - -#ifdef __clang__ -RAPIDJSON_DIAG_PUSH -RAPIDJSON_DIAG_OFF(switch - enum) -#endif - -#ifdef _MSC_VER -RAPIDJSON_DIAG_PUSH -RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated -#endif - -RAPIDJSON_NAMESPACE_BEGIN - -static const SizeType kPointerInvalidIndex = - ~SizeType(0); //!< Represents an invalid index in GenericPointer::Token - -//! Error code of parsing. -/*! \ingroup RAPIDJSON_ERRORS - \see GenericPointer::GenericPointer, GenericPointer::GetParseErrorCode -*/ -enum PointerParseErrorCode { - kPointerParseErrorNone = 0, //!< The parse is successful - - kPointerParseErrorTokenMustBeginWithSolidus, //!< A token must begin with a - //!< '/' - kPointerParseErrorInvalidEscape, //!< Invalid escape - kPointerParseErrorInvalidPercentEncoding, //!< Invalid percent encoding in - //!< URI fragment - kPointerParseErrorCharacterMustPercentEncode //!< A character must percent - //!< encoded in URI fragment -}; - -/////////////////////////////////////////////////////////////////////////////// -// GenericPointer - -//! Represents a JSON Pointer. Use Pointer for UTF8 encoding and default -//! allocator. -/*! - This class implements RFC 6901 "JavaScript Object Notation (JSON) Pointer" - (https://tools.ietf.org/html/rfc6901). - - A JSON pointer is for identifying a specific value in a JSON document - (GenericDocument). It can simplify coding of DOM tree manipulation, because - it can access multiple-level depth of DOM tree with single API call. - - After it parses a string representation (e.g. "/foo/0" or URI fragment - representation (e.g. "#/foo/0") into its internal representation (tokens), - it can be used to resolve a specific value in multiple documents, or - sub-tree of documents. - - Contrary to GenericValue, Pointer can be copy constructed and copy assigned. - Apart from assignment, a Pointer cannot be modified after construction. - - Although Pointer is very convenient, please aware that constructing Pointer - involves parsing and dynamic memory allocation. A special constructor with - user- supplied tokens eliminates these. - - GenericPointer depends on GenericDocument and GenericValue. - - \tparam ValueType The value type of the DOM tree. E.g. GenericValue<UTF8<> > - \tparam Allocator The allocator type for allocating memory for internal - representation. - - \note GenericPointer uses same encoding of ValueType. - However, Allocator of GenericPointer is independent of Allocator of Value. -*/ -template <typename ValueType, typename Allocator = CrtAllocator> -class GenericPointer { - public: - typedef typename ValueType::EncodingType - EncodingType; //!< Encoding type from Value - typedef typename ValueType::Ch Ch; //!< Character type from Value - - //! A token is the basic units of internal representation. - /*! - A JSON pointer string representation "/foo/123" is parsed to two tokens: - "foo" and 123. 123 will be represented in both numeric form and string - form. They are resolved according to the actual value type (object or - array). - - For token that are not numbers, or the numeric value is out of bound - (greater than limits of SizeType), they are only treated as string form - (i.e. the token's index will be equal to kPointerInvalidIndex). - - This struct is public so that user can create a Pointer without parsing - and allocation, using a special constructor. - */ - struct Token { - const Ch* name; //!< Name of the token. It has null character at the end - //!< but it can contain null character. - SizeType length; //!< Length of the name. - SizeType index; //!< A valid array index, if it is not equal to - //!< kPointerInvalidIndex. - }; - - //!@name Constructors and destructor. - //@{ - - //! Default constructor. - GenericPointer(Allocator* allocator = 0) - : allocator_(allocator), - ownAllocator_(), - nameBuffer_(), - tokens_(), - tokenCount_(), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) {} - - //! Constructor that parses a string or URI fragment representation. - /*! - \param source A null-terminated, string or URI fragment representation of - JSON pointer. \param allocator User supplied allocator for this pointer. If - no allocator is provided, it creates a self-owned one. - */ - explicit GenericPointer(const Ch* source, Allocator* allocator = 0) - : allocator_(allocator), - ownAllocator_(), - nameBuffer_(), - tokens_(), - tokenCount_(), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) { - Parse(source, internal::StrLen(source)); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Constructor that parses a string or URI fragment representation. - /*! - \param source A string or URI fragment representation of JSON pointer. - \param allocator User supplied allocator for this pointer. If no allocator - is provided, it creates a self-owned one. \note Requires the definition of - the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING. - */ - explicit GenericPointer(const std::basic_string<Ch>& source, - Allocator* allocator = 0) - : allocator_(allocator), - ownAllocator_(), - nameBuffer_(), - tokens_(), - tokenCount_(), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) { - Parse(source.c_str(), source.size()); - } -#endif - - //! Constructor that parses a string or URI fragment representation, with - //! length of the source string. - /*! - \param source A string or URI fragment representation of JSON pointer. - \param length Length of source. - \param allocator User supplied allocator for this pointer. If no allocator - is provided, it creates a self-owned one. \note Slightly faster than the - overload without length. - */ - GenericPointer(const Ch* source, size_t length, Allocator* allocator = 0) - : allocator_(allocator), - ownAllocator_(), - nameBuffer_(), - tokens_(), - tokenCount_(), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) { - Parse(source, length); - } - - //! Constructor with user-supplied tokens. - /*! - This constructor let user supplies const array of tokens. - This prevents the parsing process and eliminates allocation. - This is preferred for memory constrained environments. - - \param tokens An constant array of tokens representing the JSON pointer. - \param tokenCount Number of tokens. - - \b Example - \code - #define NAME(s) { s, sizeof(s) / sizeof(s[0]) - 1, kPointerInvalidIndex } - #define INDEX(i) { #i, sizeof(#i) - 1, i } - - static const Pointer::Token kTokens[] = { NAME("foo"), INDEX(123) }; - static const Pointer p(kTokens, sizeof(kTokens) / sizeof(kTokens[0])); - // Equivalent to static const Pointer p("/foo/123"); - - #undef NAME - #undef INDEX - \endcode - */ - GenericPointer(const Token* tokens, size_t tokenCount) - : allocator_(), - ownAllocator_(), - nameBuffer_(), - tokens_(const_cast<Token*>(tokens)), - tokenCount_(tokenCount), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) {} - - //! Copy constructor. - GenericPointer(const GenericPointer& rhs, Allocator* allocator = 0) - : allocator_(allocator), - ownAllocator_(), - nameBuffer_(), - tokens_(), - tokenCount_(), - parseErrorOffset_(), - parseErrorCode_(kPointerParseErrorNone) { - *this = rhs; - } - - //! Destructor. - ~GenericPointer() { - if (nameBuffer_) // If user-supplied tokens constructor is used, - // nameBuffer_ is nullptr and tokens_ are not deallocated. - Allocator::Free(tokens_); - RAPIDJSON_DELETE(ownAllocator_); - } - - //! Assignment operator. - GenericPointer& operator=(const GenericPointer& rhs) { - if (this != &rhs) { - // Do not delete ownAllcator - if (nameBuffer_) - Allocator::Free(tokens_); - - tokenCount_ = rhs.tokenCount_; - parseErrorOffset_ = rhs.parseErrorOffset_; - parseErrorCode_ = rhs.parseErrorCode_; - - if (rhs.nameBuffer_) - CopyFromRaw(rhs); // Normally parsed tokens. - else { - tokens_ = rhs.tokens_; // User supplied const tokens. - nameBuffer_ = 0; - } - } - return *this; - } - - //@} - - //!@name Append token - //@{ - - //! Append a token and return a new Pointer - /*! - \param token Token to be appended. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - GenericPointer Append(const Token& token, Allocator* allocator = 0) const { - GenericPointer r; - r.allocator_ = allocator; - Ch* p = r.CopyFromRaw(*this, 1, token.length + 1); - std::memcpy(p, token.name, (token.length + 1) * sizeof(Ch)); - r.tokens_[tokenCount_].name = p; - r.tokens_[tokenCount_].length = token.length; - r.tokens_[tokenCount_].index = token.index; - return r; - } - - //! Append a name token with length, and return a new Pointer - /*! - \param name Name to be appended. - \param length Length of name. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - GenericPointer Append(const Ch* name, - SizeType length, - Allocator* allocator = 0) const { - Token token = {name, length, kPointerInvalidIndex}; - return Append(token, allocator); - } - - //! Append a name token without length, and return a new Pointer - /*! - \param name Name (const Ch*) to be appended. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - template <typename T> - RAPIDJSON_DISABLEIF_RETURN( - (internal::NotExpr< - internal::IsSame<typename internal::RemoveConst<T>::Type, Ch> >), - (GenericPointer)) - Append(T* name, Allocator* allocator = 0) const { - return Append(name, StrLen(name), allocator); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Append a name token, and return a new Pointer - /*! - \param name Name to be appended. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - GenericPointer Append(const std::basic_string<Ch>& name, - Allocator* allocator = 0) const { - return Append(name.c_str(), static_cast<SizeType>(name.size()), allocator); - } -#endif - - //! Append a index token, and return a new Pointer - /*! - \param index Index to be appended. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - GenericPointer Append(SizeType index, Allocator* allocator = 0) const { - char buffer[21]; - char* end = sizeof(SizeType) == 4 ? internal::u32toa(index, buffer) - : internal::u64toa(index, buffer); - SizeType length = static_cast<SizeType>(end - buffer); - buffer[length] = '\0'; - - if (sizeof(Ch) == 1) { - Token token = {reinterpret_cast<Ch*>(buffer), length, index}; - return Append(token, allocator); - } else { - Ch name[21]; - for (size_t i = 0; i <= length; i++) - name[i] = buffer[i]; - Token token = {name, length, index}; - return Append(token, allocator); - } - } - - //! Append a token by value, and return a new Pointer - /*! - \param token token to be appended. - \param allocator Allocator for the newly return Pointer. - \return A new Pointer with appended token. - */ - GenericPointer Append(const ValueType& token, - Allocator* allocator = 0) const { - if (token.IsString()) - return Append(token.GetString(), token.GetStringLength(), allocator); - else { - RAPIDJSON_ASSERT(token.IsUint64()); - RAPIDJSON_ASSERT(token.GetUint64() <= SizeType(~0)); - return Append(static_cast<SizeType>(token.GetUint64()), allocator); - } - } - - //!@name Handling Parse Error - //@{ - - //! Check whether this is a valid pointer. - bool IsValid() const { return parseErrorCode_ == kPointerParseErrorNone; } - - //! Get the parsing error offset in code unit. - size_t GetParseErrorOffset() const { return parseErrorOffset_; } - - //! Get the parsing error code. - PointerParseErrorCode GetParseErrorCode() const { return parseErrorCode_; } - - //@} - - //! Get the allocator of this pointer. - Allocator& GetAllocator() { return *allocator_; } - - //!@name Tokens - //@{ - - //! Get the token array (const version only). - const Token* GetTokens() const { return tokens_; } - - //! Get the number of tokens. - size_t GetTokenCount() const { return tokenCount_; } - - //@} - - //!@name Equality/inequality operators - //@{ - - //! Equality operator. - /*! - \note When any pointers are invalid, always returns false. - */ - bool operator==(const GenericPointer& rhs) const { - if (!IsValid() || !rhs.IsValid() || tokenCount_ != rhs.tokenCount_) - return false; - - for (size_t i = 0; i < tokenCount_; i++) { - if (tokens_[i].index != rhs.tokens_[i].index || - tokens_[i].length != rhs.tokens_[i].length || - (tokens_[i].length != 0 && - std::memcmp(tokens_[i].name, rhs.tokens_[i].name, - sizeof(Ch) * tokens_[i].length) != 0)) { - return false; - } - } - - return true; - } - - //! Inequality operator. - /*! - \note When any pointers are invalid, always returns true. - */ - bool operator!=(const GenericPointer& rhs) const { return !(*this == rhs); } - - //@} - - //!@name Stringify - //@{ - - //! Stringify the pointer into string representation. - /*! - \tparam OutputStream Type of output stream. - \param os The output stream. - */ - template <typename OutputStream> - bool Stringify(OutputStream& os) const { - return Stringify<false, OutputStream>(os); - } - - //! Stringify the pointer into URI fragment representation. - /*! - \tparam OutputStream Type of output stream. - \param os The output stream. - */ - template <typename OutputStream> - bool StringifyUriFragment(OutputStream& os) const { - return Stringify<true, OutputStream>(os); - } - - //@} - - //!@name Create value - //@{ - - //! Create a value in a subtree. - /*! - If the value is not exist, it creates all parent values and a JSON Null - value. So it always succeed and return the newly created or existing value. - - Remind that it may change types of parents according to tokens, so it - potentially removes previously stored values. For example, if a document - was an array, and "/foo" is used to create a value, then the document - will be changed to an object, and all existing array elements are lost. - - \param root Root value of a DOM subtree to be resolved. It can be any - value other than document root. \param allocator Allocator for creating the - values if the specified value or its parents are not exist. \param - alreadyExist If non-null, it stores whether the resolved value is already - exist. \return The resolved newly created (a JSON Null value), or already - exists value. - */ - ValueType& Create(ValueType& root, - typename ValueType::AllocatorType& allocator, - bool* alreadyExist = 0) const { - RAPIDJSON_ASSERT(IsValid()); - ValueType* v = &root; - bool exist = true; - for (const Token* t = tokens_; t != tokens_ + tokenCount_; ++t) { - if (v->IsArray() && t->name[0] == '-' && t->length == 1) { - v->PushBack(ValueType().Move(), allocator); - v = &((*v)[v->Size() - 1]); - exist = false; - } else { - if (t->index == kPointerInvalidIndex) { // must be object name - if (!v->IsObject()) - v->SetObject(); // Change to Object - } else { // object name or array index - if (!v->IsArray() && !v->IsObject()) - v->SetArray(); // Change to Array - } - - if (v->IsArray()) { - if (t->index >= v->Size()) { - v->Reserve(t->index + 1, allocator); - while (t->index >= v->Size()) - v->PushBack(ValueType().Move(), allocator); - exist = false; - } - v = &((*v)[t->index]); - } else { - typename ValueType::MemberIterator m = - v->FindMember(GenericStringRef<Ch>(t->name, t->length)); - if (m == v->MemberEnd()) { - v->AddMember(ValueType(t->name, t->length, allocator).Move(), - ValueType().Move(), allocator); - v = &(--v->MemberEnd()) - ->value; // Assumes AddMember() appends at the end - exist = false; - } else - v = &m->value; - } - } - } - - if (alreadyExist) - *alreadyExist = exist; - - return *v; - } - - //! Creates a value in a document. - /*! - \param document A document to be resolved. - \param alreadyExist If non-null, it stores whether the resolved value is - already exist. \return The resolved newly created, or already exists value. - */ - template <typename stackAllocator> - ValueType& Create(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - bool* alreadyExist = 0) const { - return Create(document, document.GetAllocator(), alreadyExist); - } - - //@} - - //!@name Query value - //@{ - - //! Query a value in a subtree. - /*! - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \param unresolvedTokenIndex If the pointer - cannot resolve a token in the pointer, this parameter can obtain the index - of unresolved token. \return Pointer to the value if it can be resolved. - Otherwise null. - - \note - There are only 3 situations when a value cannot be resolved: - 1. A value in the path is not an array nor object. - 2. An object value does not contain the token. - 3. A token is out of range of an array value. - - Use unresolvedTokenIndex to retrieve the token index. - */ - ValueType* Get(ValueType& root, size_t* unresolvedTokenIndex = 0) const { - RAPIDJSON_ASSERT(IsValid()); - ValueType* v = &root; - for (const Token* t = tokens_; t != tokens_ + tokenCount_; ++t) { - switch (v->GetType()) { - case kObjectType: { - typename ValueType::MemberIterator m = - v->FindMember(GenericStringRef<Ch>(t->name, t->length)); - if (m == v->MemberEnd()) - break; - v = &m->value; - } - continue; - case kArrayType: - if (t->index == kPointerInvalidIndex || t->index >= v->Size()) - break; - v = &((*v)[t->index]); - continue; - default: - break; - } - - // Error: unresolved token - if (unresolvedTokenIndex) - *unresolvedTokenIndex = static_cast<size_t>(t - tokens_); - return 0; - } - return v; - } - - //! Query a const value in a const subtree. - /*! - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \return Pointer to the value if it can be - resolved. Otherwise null. - */ - const ValueType* Get(const ValueType& root, - size_t* unresolvedTokenIndex = 0) const { - return Get(const_cast<ValueType&>(root), unresolvedTokenIndex); - } - - //@} - - //!@name Query a value with default - //@{ - - //! Query a value in a subtree with default value. - /*! - Similar to Get(), but if the specified value do not exists, it creates all - parents and clone the default value. So that this function always succeed. - - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \param defaultValue Default value to be - cloned if the value was not exists. \param allocator Allocator for creating - the values if the specified value or its parents are not exist. \see - Create() - */ - ValueType& GetWithDefault( - ValueType& root, - const ValueType& defaultValue, - typename ValueType::AllocatorType& allocator) const { - bool alreadyExist; - Value& v = Create(root, allocator, &alreadyExist); - return alreadyExist ? v : v.CopyFrom(defaultValue, allocator); - } - - //! Query a value in a subtree with default null-terminated string. - ValueType& GetWithDefault( - ValueType& root, - const Ch* defaultValue, - typename ValueType::AllocatorType& allocator) const { - bool alreadyExist; - Value& v = Create(root, allocator, &alreadyExist); - return alreadyExist ? v : v.SetString(defaultValue, allocator); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Query a value in a subtree with default std::basic_string. - ValueType& GetWithDefault( - ValueType& root, - const std::basic_string<Ch>& defaultValue, - typename ValueType::AllocatorType& allocator) const { - bool alreadyExist; - Value& v = Create(root, allocator, &alreadyExist); - return alreadyExist ? v : v.SetString(defaultValue, allocator); - } -#endif - - //! Query a value in a subtree with default primitive value. - /*! - \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, - \c bool - */ - template <typename T> - RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), - (ValueType&)) - GetWithDefault(ValueType& root, - T defaultValue, - typename ValueType::AllocatorType& allocator) const { - return GetWithDefault(root, ValueType(defaultValue).Move(), allocator); - } - - //! Query a value in a document with default value. - template <typename stackAllocator> - ValueType& GetWithDefault(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const ValueType& defaultValue) const { - return GetWithDefault(document, defaultValue, document.GetAllocator()); - } - - //! Query a value in a document with default null-terminated string. - template <typename stackAllocator> - ValueType& GetWithDefault(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const Ch* defaultValue) const { - return GetWithDefault(document, defaultValue, document.GetAllocator()); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Query a value in a document with default std::basic_string. - template <typename stackAllocator> - ValueType& GetWithDefault(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const std::basic_string<Ch>& defaultValue) const { - return GetWithDefault(document, defaultValue, document.GetAllocator()); - } -#endif - - //! Query a value in a document with default primitive value. - /*! - \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, - \c bool - */ - template <typename T, typename stackAllocator> - RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), - (ValueType&)) - GetWithDefault(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - T defaultValue) const { - return GetWithDefault(document, defaultValue, document.GetAllocator()); - } - - //@} - - //!@name Set a value - //@{ - - //! Set a value in a subtree, with move semantics. - /*! - It creates all parents if they are not exist or types are different to the - tokens. So this function always succeeds but potentially remove existing - values. - - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \param value Value to be set. \param - allocator Allocator for creating the values if the specified value or its - parents are not exist. \see Create() - */ - ValueType& Set(ValueType& root, - ValueType& value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator) = value; - } - - //! Set a value in a subtree, with copy semantics. - ValueType& Set(ValueType& root, - const ValueType& value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator).CopyFrom(value, allocator); - } - - //! Set a null-terminated string in a subtree. - ValueType& Set(ValueType& root, - const Ch* value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator) = ValueType(value, allocator).Move(); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Set a std::basic_string in a subtree. - ValueType& Set(ValueType& root, - const std::basic_string<Ch>& value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator) = ValueType(value, allocator).Move(); - } -#endif - - //! Set a primitive value in a subtree. - /*! - \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, - \c bool - */ - template <typename T> - RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), - (ValueType&)) - Set(ValueType& root, - T value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator) = ValueType(value).Move(); - } - - //! Set a value in a document, with move semantics. - template <typename stackAllocator> - ValueType& Set(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - ValueType& value) const { - return Create(document) = value; - } - - //! Set a value in a document, with copy semantics. - template <typename stackAllocator> - ValueType& Set(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const ValueType& value) const { - return Create(document).CopyFrom(value, document.GetAllocator()); - } - - //! Set a null-terminated string in a document. - template <typename stackAllocator> - ValueType& Set(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const Ch* value) const { - return Create(document) = ValueType(value, document.GetAllocator()).Move(); - } - -#if RAPIDJSON_HAS_STDSTRING - //! Sets a std::basic_string in a document. - template <typename stackAllocator> - ValueType& Set(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - const std::basic_string<Ch>& value) const { - return Create(document) = ValueType(value, document.GetAllocator()).Move(); - } -#endif - - //! Set a primitive value in a document. - /*! - \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c - bool - */ - template <typename T, typename stackAllocator> - RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), - (ValueType&)) - Set(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - T value) const { - return Create(document) = value; - } - - //@} - - //!@name Swap a value - //@{ - - //! Swap a value with a value in a subtree. - /*! - It creates all parents if they are not exist or types are different to the - tokens. So this function always succeeds but potentially remove existing - values. - - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \param value Value to be swapped. \param - allocator Allocator for creating the values if the specified value or its - parents are not exist. \see Create() - */ - ValueType& Swap(ValueType& root, - ValueType& value, - typename ValueType::AllocatorType& allocator) const { - return Create(root, allocator).Swap(value); - } - - //! Swap a value with a value in a document. - template <typename stackAllocator> - ValueType& Swap(GenericDocument<EncodingType, - typename ValueType::AllocatorType, - stackAllocator>& document, - ValueType& value) const { - return Create(document).Swap(value); - } - - //@} - - //! Erase a value in a subtree. - /*! - \param root Root value of a DOM sub-tree to be resolved. It can be any - value other than document root. \return Whether the resolved value is found - and erased. - - \note Erasing with an empty pointer \c Pointer(""), i.e. the root, always - fail and return false. - */ - bool Erase(ValueType& root) const { - RAPIDJSON_ASSERT(IsValid()); - if (tokenCount_ == 0) // Cannot erase the root - return false; - - ValueType* v = &root; - const Token* last = tokens_ + (tokenCount_ - 1); - for (const Token* t = tokens_; t != last; ++t) { - switch (v->GetType()) { - case kObjectType: { - typename ValueType::MemberIterator m = - v->FindMember(GenericStringRef<Ch>(t->name, t->length)); - if (m == v->MemberEnd()) - return false; - v = &m->value; - } break; - case kArrayType: - if (t->index == kPointerInvalidIndex || t->index >= v->Size()) - return false; - v = &((*v)[t->index]); - break; - default: - return false; - } - } - - switch (v->GetType()) { - case kObjectType: - return v->EraseMember(GenericStringRef<Ch>(last->name, last->length)); - case kArrayType: - if (last->index == kPointerInvalidIndex || last->index >= v->Size()) - return false; - v->Erase(v->Begin() + last->index); - return true; - default: - return false; - } - } - - private: - //! Clone the content from rhs to this. - /*! - \param rhs Source pointer. - \param extraToken Extra tokens to be allocated. - \param extraNameBufferSize Extra name buffer size (in number of Ch) to be - allocated. \return Start of non-occupied name buffer, for storing extra - names. - */ - Ch* CopyFromRaw(const GenericPointer& rhs, - size_t extraToken = 0, - size_t extraNameBufferSize = 0) { - if (!allocator_) // allocator is independently owned. - ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator()); - - size_t nameBufferSize = rhs.tokenCount_; // null terminators for tokens - for (Token* t = rhs.tokens_; t != rhs.tokens_ + rhs.tokenCount_; ++t) - nameBufferSize += t->length; - - tokenCount_ = rhs.tokenCount_ + extraToken; - tokens_ = static_cast<Token*>(allocator_->Malloc( - tokenCount_ * sizeof(Token) + - (nameBufferSize + extraNameBufferSize) * sizeof(Ch))); - nameBuffer_ = reinterpret_cast<Ch*>(tokens_ + tokenCount_); - if (rhs.tokenCount_ > 0) { - std::memcpy(tokens_, rhs.tokens_, rhs.tokenCount_ * sizeof(Token)); - } - if (nameBufferSize > 0) { - std::memcpy(nameBuffer_, rhs.nameBuffer_, nameBufferSize * sizeof(Ch)); - } - - // Adjust pointers to name buffer - std::ptrdiff_t diff = nameBuffer_ - rhs.nameBuffer_; - for (Token* t = tokens_; t != tokens_ + rhs.tokenCount_; ++t) - t->name += diff; - - return nameBuffer_ + nameBufferSize; - } - - //! Check whether a character should be percent-encoded. - /*! - According to RFC 3986 2.3 Unreserved Characters. - \param c The character (code unit) to be tested. - */ - bool NeedPercentEncode(Ch c) const { - return !((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || - (c >= 'a' && c <= 'z') || c == '-' || c == '.' || c == '_' || - c == '~'); - } - - //! Parse a JSON String or its URI fragment representation into tokens. -#ifndef __clang__ // -Wdocumentation - /*! - \param source Either a JSON Pointer string, or its URI fragment - representation. Not need to be null terminated. \param length Length of the - source string. \note Source cannot be JSON String Representation of JSON - Pointer, e.g. In "/\u0000", \u0000 will not be unescaped. - */ -#endif - void Parse(const Ch* source, size_t length) { - RAPIDJSON_ASSERT(source != NULL); - RAPIDJSON_ASSERT(nameBuffer_ == 0); - RAPIDJSON_ASSERT(tokens_ == 0); - - // Create own allocator if user did not supply. - if (!allocator_) - ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator()); - - // Count number of '/' as tokenCount - tokenCount_ = 0; - for (const Ch* s = source; s != source + length; s++) - if (*s == '/') - tokenCount_++; - - Token* token = tokens_ = static_cast<Token*>( - allocator_->Malloc(tokenCount_ * sizeof(Token) + length * sizeof(Ch))); - Ch* name = nameBuffer_ = reinterpret_cast<Ch*>(tokens_ + tokenCount_); - size_t i = 0; - - // Detect if it is a URI fragment - bool uriFragment = false; - if (source[i] == '#') { - uriFragment = true; - i++; - } - - if (i != length && source[i] != '/') { - parseErrorCode_ = kPointerParseErrorTokenMustBeginWithSolidus; - goto error; - } - - while (i < length) { - RAPIDJSON_ASSERT(source[i] == '/'); - i++; // consumes '/' - - token->name = name; - bool isNumber = true; - - while (i < length && source[i] != '/') { - Ch c = source[i]; - if (uriFragment) { - // Decoding percent-encoding for URI fragment - if (c == '%') { - PercentDecodeStream is(&source[i], source + length); - GenericInsituStringStream<EncodingType> os(name); - Ch* begin = os.PutBegin(); - if (!Transcoder<UTF8<>, EncodingType>().Validate(is, os) || - !is.IsValid()) { - parseErrorCode_ = kPointerParseErrorInvalidPercentEncoding; - goto error; - } - size_t len = os.PutEnd(begin); - i += is.Tell() - 1; - if (len == 1) - c = *name; - else { - name += len; - isNumber = false; - i++; - continue; - } - } else if (NeedPercentEncode(c)) { - parseErrorCode_ = kPointerParseErrorCharacterMustPercentEncode; - goto error; - } - } - - i++; - - // Escaping "~0" -> '~', "~1" -> '/' - if (c == '~') { - if (i < length) { - c = source[i]; - if (c == '0') - c = '~'; - else if (c == '1') - c = '/'; - else { - parseErrorCode_ = kPointerParseErrorInvalidEscape; - goto error; - } - i++; - } else { - parseErrorCode_ = kPointerParseErrorInvalidEscape; - goto error; - } - } - - // First check for index: all of characters are digit - if (c < '0' || c > '9') - isNumber = false; - - *name++ = c; - } - token->length = static_cast<SizeType>(name - token->name); - if (token->length == 0) - isNumber = false; - *name++ = '\0'; // Null terminator - - // Second check for index: more than one digit cannot have leading zero - if (isNumber && token->length > 1 && token->name[0] == '0') - isNumber = false; - - // String to SizeType conversion - SizeType n = 0; - if (isNumber) { - for (size_t j = 0; j < token->length; j++) { - SizeType m = n * 10 + static_cast<SizeType>(token->name[j] - '0'); - if (m < n) { // overflow detection - isNumber = false; - break; - } - n = m; - } - } - - token->index = isNumber ? n : kPointerInvalidIndex; - token++; - } - - RAPIDJSON_ASSERT(name <= - nameBuffer_ + length); // Should not overflow buffer - parseErrorCode_ = kPointerParseErrorNone; - return; - - error: - Allocator::Free(tokens_); - nameBuffer_ = 0; - tokens_ = 0; - tokenCount_ = 0; - parseErrorOffset_ = i; - return; - } - - //! Stringify to string or URI fragment representation. - /*! - \tparam uriFragment True for stringifying to URI fragment representation. - False for string representation. \tparam OutputStream type of output - stream. \param os The output stream. - */ - template <bool uriFragment, typename OutputStream> - bool Stringify(OutputStream& os) const { - RAPIDJSON_ASSERT(IsValid()); - - if (uriFragment) - os.Put('#'); - - for (Token* t = tokens_; t != tokens_ + tokenCount_; ++t) { - os.Put('/'); - for (size_t j = 0; j < t->length; j++) { - Ch c = t->name[j]; - if (c == '~') { - os.Put('~'); - os.Put('0'); - } else if (c == '/') { - os.Put('~'); - os.Put('1'); - } else if (uriFragment && NeedPercentEncode(c)) { - // Transcode to UTF8 sequence - GenericStringStream<typename ValueType::EncodingType> source( - &t->name[j]); - PercentEncodeStream<OutputStream> target(os); - if (!Transcoder<EncodingType, UTF8<> >().Validate(source, target)) - return false; - j += source.Tell() - 1; - } else - os.Put(c); - } - } - return true; - } - - //! A helper stream for decoding a percent-encoded sequence into code unit. - /*! - This stream decodes %XY triplet into code unit (0-255). - If it encounters invalid characters, it sets output code unit as 0 and - mark invalid, and to be checked by IsValid(). - */ - class PercentDecodeStream { - public: - typedef typename ValueType::Ch Ch; - - //! Constructor - /*! - \param source Start of the stream - \param end Past-the-end of the stream. - */ - PercentDecodeStream(const Ch* source, const Ch* end) - : src_(source), head_(source), end_(end), valid_(true) {} - - Ch Take() { - if (*src_ != '%' || src_ + 3 > end_) { // %XY triplet - valid_ = false; - return 0; - } - src_++; - Ch c = 0; - for (int j = 0; j < 2; j++) { - c = static_cast<Ch>(c << 4); - Ch h = *src_; - if (h >= '0' && h <= '9') - c = static_cast<Ch>(c + h - '0'); - else if (h >= 'A' && h <= 'F') - c = static_cast<Ch>(c + h - 'A' + 10); - else if (h >= 'a' && h <= 'f') - c = static_cast<Ch>(c + h - 'a' + 10); - else { - valid_ = false; - return 0; - } - src_++; - } - return c; - } - - size_t Tell() const { return static_cast<size_t>(src_ - head_); } - bool IsValid() const { return valid_; } - - private: - const Ch* src_; //!< Current read position. - const Ch* head_; //!< Original head of the string. - const Ch* end_; //!< Past-the-end position. - bool valid_; //!< Whether the parsing is valid. - }; - - //! A helper stream to encode character (UTF-8 code unit) into percent-encoded - //! sequence. - template <typename OutputStream> - class PercentEncodeStream { - public: - PercentEncodeStream(OutputStream& os) : os_(os) {} - void Put(char c) { // UTF-8 must be byte - unsigned char u = static_cast<unsigned char>(c); - static const char hexDigits[16] = {'0', '1', '2', '3', '4', '5', - '6', '7', '8', '9', 'A', 'B', - 'C', 'D', 'E', 'F'}; - os_.Put('%'); - os_.Put(hexDigits[u >> 4]); - os_.Put(hexDigits[u & 15]); - } - - private: - OutputStream& os_; - }; - - Allocator* allocator_; //!< The current allocator. It is either user-supplied - //!< or equal to ownAllocator_. - Allocator* ownAllocator_; //!< Allocator owned by this Pointer. - Ch* nameBuffer_; //!< A buffer containing all names in tokens. - Token* tokens_; //!< A list of tokens. - size_t tokenCount_; //!< Number of tokens in tokens_. - size_t parseErrorOffset_; //!< Offset in code unit when parsing fail. - PointerParseErrorCode parseErrorCode_; //!< Parsing error code. -}; - -//! GenericPointer for Value (UTF-8, default allocator). -typedef GenericPointer<Value> Pointer; - -//!@name Helper functions for GenericPointer -//@{ - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -typename T::ValueType& CreateValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - typename T::AllocatorType& a) { - return pointer.Create(root, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& CreateValueByPointer(T& root, - const CharType (&source)[N], - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1).Create(root, a); -} - -// No allocator parameter - -template <typename DocumentType> -typename DocumentType::ValueType& CreateValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer) { - return pointer.Create(document); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& CreateValueByPointer( - DocumentType& document, - const CharType (&source)[N]) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Create(document); -} - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -typename T::ValueType* GetValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - size_t* unresolvedTokenIndex = 0) { - return pointer.Get(root, unresolvedTokenIndex); -} - -template <typename T> -const typename T::ValueType* GetValueByPointer( - const T& root, - const GenericPointer<typename T::ValueType>& pointer, - size_t* unresolvedTokenIndex = 0) { - return pointer.Get(root, unresolvedTokenIndex); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType* GetValueByPointer(T& root, - const CharType (&source)[N], - size_t* unresolvedTokenIndex = 0) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Get(root, unresolvedTokenIndex); -} - -template <typename T, typename CharType, size_t N> -const typename T::ValueType* GetValueByPointer( - const T& root, - const CharType (&source)[N], - size_t* unresolvedTokenIndex = 0) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Get(root, unresolvedTokenIndex); -} - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const typename T::ValueType& defaultValue, - typename T::AllocatorType& a) { - return pointer.GetWithDefault(root, defaultValue, a); -} - -template <typename T> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const typename T::Ch* defaultValue, - typename T::AllocatorType& a) { - return pointer.GetWithDefault(root, defaultValue, a); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename T> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const std::basic_string<typename T::Ch>& defaultValue, - typename T::AllocatorType& a) { - return pointer.GetWithDefault(root, defaultValue, a); -} -#endif - -template <typename T, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename T::ValueType&)) -GetValueByPointerWithDefault( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - T2 defaultValue, - typename T::AllocatorType& a) { - return pointer.GetWithDefault(root, defaultValue, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const CharType (&source)[N], - const typename T::ValueType& defaultValue, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .GetWithDefault(root, defaultValue, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const CharType (&source)[N], - const typename T::Ch* defaultValue, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .GetWithDefault(root, defaultValue, a); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename T, typename CharType, size_t N> -typename T::ValueType& GetValueByPointerWithDefault( - T& root, - const CharType (&source)[N], - const std::basic_string<typename T::Ch>& defaultValue, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .GetWithDefault(root, defaultValue, a); -} -#endif - -template <typename T, typename CharType, size_t N, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename T::ValueType&)) -GetValueByPointerWithDefault(T& root, - const CharType (&source)[N], - T2 defaultValue, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .GetWithDefault(root, defaultValue, a); -} - -// No allocator parameter - -template <typename DocumentType> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const typename DocumentType::ValueType& defaultValue) { - return pointer.GetWithDefault(document, defaultValue); -} - -template <typename DocumentType> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const typename DocumentType::Ch* defaultValue) { - return pointer.GetWithDefault(document, defaultValue); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename DocumentType> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const std::basic_string<typename DocumentType::Ch>& defaultValue) { - return pointer.GetWithDefault(document, defaultValue); -} -#endif - -template <typename DocumentType, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename DocumentType::ValueType&)) -GetValueByPointerWithDefault( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - T2 defaultValue) { - return pointer.GetWithDefault(document, defaultValue); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const CharType (&source)[N], - const typename DocumentType::ValueType& defaultValue) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .GetWithDefault(document, defaultValue); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const CharType (&source)[N], - const typename DocumentType::Ch* defaultValue) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .GetWithDefault(document, defaultValue); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& GetValueByPointerWithDefault( - DocumentType& document, - const CharType (&source)[N], - const std::basic_string<typename DocumentType::Ch>& defaultValue) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .GetWithDefault(document, defaultValue); -} -#endif - -template <typename DocumentType, typename CharType, size_t N, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename DocumentType::ValueType&)) -GetValueByPointerWithDefault(DocumentType& document, - const CharType (&source)[N], - T2 defaultValue) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .GetWithDefault(document, defaultValue); -} - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -typename T::ValueType& SetValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - typename T::ValueType& value, - typename T::AllocatorType& a) { - return pointer.Set(root, value, a); -} - -template <typename T> -typename T::ValueType& SetValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const typename T::ValueType& value, - typename T::AllocatorType& a) { - return pointer.Set(root, value, a); -} - -template <typename T> -typename T::ValueType& SetValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const typename T::Ch* value, - typename T::AllocatorType& a) { - return pointer.Set(root, value, a); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename T> -typename T::ValueType& SetValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - const std::basic_string<typename T::Ch>& value, - typename T::AllocatorType& a) { - return pointer.Set(root, value, a); -} -#endif - -template <typename T, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename T::ValueType&)) -SetValueByPointer(T& root, - const GenericPointer<typename T::ValueType>& pointer, - T2 value, - typename T::AllocatorType& a) { - return pointer.Set(root, value, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& SetValueByPointer(T& root, - const CharType (&source)[N], - typename T::ValueType& value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Set(root, value, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& SetValueByPointer(T& root, - const CharType (&source)[N], - const typename T::ValueType& value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Set(root, value, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& SetValueByPointer(T& root, - const CharType (&source)[N], - const typename T::Ch* value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Set(root, value, a); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename T, typename CharType, size_t N> -typename T::ValueType& SetValueByPointer( - T& root, - const CharType (&source)[N], - const std::basic_string<typename T::Ch>& value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Set(root, value, a); -} -#endif - -template <typename T, typename CharType, size_t N, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename T::ValueType&)) -SetValueByPointer(T& root, - const CharType (&source)[N], - T2 value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Set(root, value, a); -} - -// No allocator parameter - -template <typename DocumentType> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - typename DocumentType::ValueType& value) { - return pointer.Set(document, value); -} - -template <typename DocumentType> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const typename DocumentType::ValueType& value) { - return pointer.Set(document, value); -} - -template <typename DocumentType> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const typename DocumentType::Ch* value) { - return pointer.Set(document, value); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename DocumentType> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - const std::basic_string<typename DocumentType::Ch>& value) { - return pointer.Set(document, value); -} -#endif - -template <typename DocumentType, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename DocumentType::ValueType&)) -SetValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - T2 value) { - return pointer.Set(document, value); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const CharType (&source)[N], - typename DocumentType::ValueType& value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Set(document, value); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const CharType (&source)[N], - const typename DocumentType::ValueType& value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Set(document, value); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const CharType (&source)[N], - const typename DocumentType::Ch* value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Set(document, value); -} - -#if RAPIDJSON_HAS_STDSTRING -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& SetValueByPointer( - DocumentType& document, - const CharType (&source)[N], - const std::basic_string<typename DocumentType::Ch>& value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Set(document, value); -} -#endif - -template <typename DocumentType, typename CharType, size_t N, typename T2> -RAPIDJSON_DISABLEIF_RETURN( - (internal::OrExpr<internal::IsPointer<T2>, internal::IsGenericValue<T2> >), - (typename DocumentType::ValueType&)) -SetValueByPointer(DocumentType& document, - const CharType (&source)[N], - T2 value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Set(document, value); -} - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -typename T::ValueType& SwapValueByPointer( - T& root, - const GenericPointer<typename T::ValueType>& pointer, - typename T::ValueType& value, - typename T::AllocatorType& a) { - return pointer.Swap(root, value, a); -} - -template <typename T, typename CharType, size_t N> -typename T::ValueType& SwapValueByPointer(T& root, - const CharType (&source)[N], - typename T::ValueType& value, - typename T::AllocatorType& a) { - return GenericPointer<typename T::ValueType>(source, N - 1) - .Swap(root, value, a); -} - -template <typename DocumentType> -typename DocumentType::ValueType& SwapValueByPointer( - DocumentType& document, - const GenericPointer<typename DocumentType::ValueType>& pointer, - typename DocumentType::ValueType& value) { - return pointer.Swap(document, value); -} - -template <typename DocumentType, typename CharType, size_t N> -typename DocumentType::ValueType& SwapValueByPointer( - DocumentType& document, - const CharType (&source)[N], - typename DocumentType::ValueType& value) { - return GenericPointer<typename DocumentType::ValueType>(source, N - 1) - .Swap(document, value); -} - -////////////////////////////////////////////////////////////////////////////// - -template <typename T> -bool EraseValueByPointer(T& root, - const GenericPointer<typename T::ValueType>& pointer) { - return pointer.Erase(root); -} - -template <typename T, typename CharType, size_t N> -bool EraseValueByPointer(T& root, const CharType (&source)[N]) { - return GenericPointer<typename T::ValueType>(source, N - 1).Erase(root); -} - -//@} - -RAPIDJSON_NAMESPACE_END - -#ifdef __clang__ -RAPIDJSON_DIAG_POP -#endif - -#ifdef _MSC_VER -RAPIDJSON_DIAG_POP -#endif - -#endif // RAPIDJSON_POINTER_H_ |