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-// 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 "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_