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-rw-r--r--external/rapidjson/pointer.h78
1 files changed, 55 insertions, 23 deletions
diff --git a/external/rapidjson/pointer.h b/external/rapidjson/pointer.h
index 7519490dc..0206ac1c8 100644
--- a/external/rapidjson/pointer.h
+++ b/external/rapidjson/pointer.h
@@ -23,6 +23,11 @@ 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
@@ -101,7 +106,7 @@ public:
//@{
//! Default constructor.
- GenericPointer() : allocator_(), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {}
+ GenericPointer(Allocator* allocator = 0) : allocator_(allocator), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {}
//! Constructor that parses a string or URI fragment representation.
/*!
@@ -160,7 +165,7 @@ public:
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_(), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
+ GenericPointer(const GenericPointer& rhs, Allocator* allocator = 0) : allocator_(allocator), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
*this = rhs;
}
@@ -305,6 +310,9 @@ public:
//@}
+ //! Get the allocator of this pointer.
+ Allocator& GetAllocator() { return *allocator_; }
+
//!@name Tokens
//@{
@@ -457,9 +465,18 @@ public:
//! 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) const {
+ ValueType* Get(ValueType& root, size_t* unresolvedTokenIndex = 0) const {
RAPIDJSON_ASSERT(IsValid());
ValueType* v = &root;
for (const Token *t = tokens_; t != tokens_ + tokenCount_; ++t) {
@@ -468,18 +485,23 @@ public:
{
typename ValueType::MemberIterator m = v->FindMember(GenericStringRef<Ch>(t->name, t->length));
if (m == v->MemberEnd())
- return 0;
+ break;
v = &m->value;
}
- break;
+ continue;
case kArrayType:
if (t->index == kPointerInvalidIndex || t->index >= v->Size())
- return 0;
+ break;
v = &((*v)[t->index]);
- break;
+ continue;
default:
- return 0;
+ break;
}
+
+ // Error: unresolved token
+ if (unresolvedTokenIndex)
+ *unresolvedTokenIndex = static_cast<size_t>(t - tokens_);
+ return 0;
}
return v;
}
@@ -489,7 +511,9 @@ public:
\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) const { return Get(const_cast<ValueType&>(root)); }
+ const ValueType* Get(const ValueType& root, size_t* unresolvedTokenIndex = 0) const {
+ return Get(const_cast<ValueType&>(root), unresolvedTokenIndex);
+ }
//@}
@@ -743,8 +767,12 @@ private:
tokenCount_ = rhs.tokenCount_ + extraToken;
tokens_ = static_cast<Token *>(allocator_->Malloc(tokenCount_ * sizeof(Token) + (nameBufferSize + extraNameBufferSize) * sizeof(Ch)));
nameBuffer_ = reinterpret_cast<Ch *>(tokens_ + tokenCount_);
- std::memcpy(tokens_, rhs.tokens_, rhs.tokenCount_ * sizeof(Token));
- std::memcpy(nameBuffer_, rhs.nameBuffer_, nameBufferSize * sizeof(Ch));
+ 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_;
@@ -968,11 +996,11 @@ private:
src_++;
Ch c = 0;
for (int j = 0; j < 2; j++) {
- c <<= 4;
+ c = static_cast<Ch>(c << 4);
Ch h = *src_;
- if (h >= '0' && h <= '9') c += h - '0';
- else if (h >= 'A' && h <= 'F') c += h - 'A' + 10;
- else if (h >= 'a' && h <= 'f') c += h - 'a' + 10;
+ 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;
@@ -1050,23 +1078,23 @@ typename DocumentType::ValueType& CreateValueByPointer(DocumentType& document, c
//////////////////////////////////////////////////////////////////////////////
template <typename T>
-typename T::ValueType* GetValueByPointer(T& root, const GenericPointer<typename T::ValueType>& pointer) {
- return pointer.Get(root);
+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) {
- return pointer.Get(root);
+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]) {
- return GenericPointer<typename T::ValueType>(source, N - 1).Get(root);
+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]) {
- return GenericPointer<typename T::ValueType>(source, N - 1).Get(root);
+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);
}
//////////////////////////////////////////////////////////////////////////////
@@ -1323,4 +1351,8 @@ RAPIDJSON_NAMESPACE_END
RAPIDJSON_DIAG_POP
#endif
+#ifdef _MSC_VER
+RAPIDJSON_DIAG_POP
+#endif
+
#endif // RAPIDJSON_POINTER_H_