242 lines
7.2 KiB
C++
242 lines
7.2 KiB
C++
// Copyright 2007-2010 Baptiste Lepilleur
|
|
// Distributed under MIT license, or public domain if desired and
|
|
// recognized in your jurisdiction.
|
|
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
|
|
|
|
// included by json_value.cpp
|
|
|
|
namespace Json {
|
|
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// class ValueIteratorBase
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
|
|
ValueIteratorBase::ValueIteratorBase()
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
: current_(), isNull_(true) {
|
|
}
|
|
#else
|
|
: isArray_(true), isNull_(true) {
|
|
iterator_.array_ = ValueInternalArray::IteratorState();
|
|
}
|
|
#endif
|
|
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
ValueIteratorBase::ValueIteratorBase(
|
|
const Value::ObjectValues::iterator& current)
|
|
: current_(current), isNull_(false) {}
|
|
#else
|
|
ValueIteratorBase::ValueIteratorBase(
|
|
const ValueInternalArray::IteratorState& state)
|
|
: isArray_(true) {
|
|
iterator_.array_ = state;
|
|
}
|
|
|
|
ValueIteratorBase::ValueIteratorBase(
|
|
const ValueInternalMap::IteratorState& state)
|
|
: isArray_(false) {
|
|
iterator_.map_ = state;
|
|
}
|
|
#endif
|
|
|
|
Value& ValueIteratorBase::deref() const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
return current_->second;
|
|
#else
|
|
if (isArray_)
|
|
return ValueInternalArray::dereference(iterator_.array_);
|
|
return ValueInternalMap::value(iterator_.map_);
|
|
#endif
|
|
}
|
|
|
|
void ValueIteratorBase::increment() {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
++current_;
|
|
#else
|
|
if (isArray_)
|
|
ValueInternalArray::increment(iterator_.array_);
|
|
ValueInternalMap::increment(iterator_.map_);
|
|
#endif
|
|
}
|
|
|
|
void ValueIteratorBase::decrement() {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
--current_;
|
|
#else
|
|
if (isArray_)
|
|
ValueInternalArray::decrement(iterator_.array_);
|
|
ValueInternalMap::decrement(iterator_.map_);
|
|
#endif
|
|
}
|
|
|
|
ValueIteratorBase::difference_type
|
|
ValueIteratorBase::computeDistance(const SelfType& other) const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
#ifdef JSON_USE_CPPTL_SMALLMAP
|
|
return current_ - other.current_;
|
|
#else
|
|
// Iterator for null value are initialized using the default
|
|
// constructor, which initialize current_ to the default
|
|
// std::map::iterator. As begin() and end() are two instance
|
|
// of the default std::map::iterator, they can not be compared.
|
|
// To allow this, we handle this comparison specifically.
|
|
if (isNull_ && other.isNull_) {
|
|
return 0;
|
|
}
|
|
|
|
// Usage of std::distance is not portable (does not compile with Sun Studio 12
|
|
// RogueWave STL,
|
|
// which is the one used by default).
|
|
// Using a portable hand-made version for non random iterator instead:
|
|
// return difference_type( std::distance( current_, other.current_ ) );
|
|
difference_type myDistance = 0;
|
|
for (Value::ObjectValues::iterator it = current_; it != other.current_;
|
|
++it) {
|
|
++myDistance;
|
|
}
|
|
return myDistance;
|
|
#endif
|
|
#else
|
|
if (isArray_)
|
|
return ValueInternalArray::distance(iterator_.array_,
|
|
other.iterator_.array_);
|
|
return ValueInternalMap::distance(iterator_.map_, other.iterator_.map_);
|
|
#endif
|
|
}
|
|
|
|
bool ValueIteratorBase::isEqual(const SelfType& other) const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
if (isNull_) {
|
|
return other.isNull_;
|
|
}
|
|
return current_ == other.current_;
|
|
#else
|
|
if (isArray_)
|
|
return ValueInternalArray::equals(iterator_.array_, other.iterator_.array_);
|
|
return ValueInternalMap::equals(iterator_.map_, other.iterator_.map_);
|
|
#endif
|
|
}
|
|
|
|
void ValueIteratorBase::copy(const SelfType& other) {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
current_ = other.current_;
|
|
isNull_ = other.isNull_;
|
|
#else
|
|
if (isArray_)
|
|
iterator_.array_ = other.iterator_.array_;
|
|
iterator_.map_ = other.iterator_.map_;
|
|
#endif
|
|
}
|
|
|
|
Value ValueIteratorBase::key() const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
const Value::CZString czstring = (*current_).first;
|
|
if (czstring.c_str()) {
|
|
if (czstring.isStaticString())
|
|
return Value(StaticString(czstring.c_str()));
|
|
return Value(czstring.c_str());
|
|
}
|
|
return Value(czstring.index());
|
|
#else
|
|
if (isArray_)
|
|
return Value(ValueInternalArray::indexOf(iterator_.array_));
|
|
bool isStatic;
|
|
const char* memberName = ValueInternalMap::key(iterator_.map_, isStatic);
|
|
if (isStatic)
|
|
return Value(StaticString(memberName));
|
|
return Value(memberName);
|
|
#endif
|
|
}
|
|
|
|
UInt ValueIteratorBase::index() const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
const Value::CZString czstring = (*current_).first;
|
|
if (!czstring.c_str())
|
|
return czstring.index();
|
|
return Value::UInt(-1);
|
|
#else
|
|
if (isArray_)
|
|
return Value::UInt(ValueInternalArray::indexOf(iterator_.array_));
|
|
return Value::UInt(-1);
|
|
#endif
|
|
}
|
|
|
|
const char* ValueIteratorBase::memberName() const {
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
const char* name = (*current_).first.c_str();
|
|
return name ? name : "";
|
|
#else
|
|
if (!isArray_)
|
|
return ValueInternalMap::key(iterator_.map_);
|
|
return "";
|
|
#endif
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// class ValueConstIterator
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
|
|
ValueConstIterator::ValueConstIterator() {}
|
|
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
ValueConstIterator::ValueConstIterator(
|
|
const Value::ObjectValues::iterator& current)
|
|
: ValueIteratorBase(current) {}
|
|
#else
|
|
ValueConstIterator::ValueConstIterator(
|
|
const ValueInternalArray::IteratorState& state)
|
|
: ValueIteratorBase(state) {}
|
|
|
|
ValueConstIterator::ValueConstIterator(
|
|
const ValueInternalMap::IteratorState& state)
|
|
: ValueIteratorBase(state) {}
|
|
#endif
|
|
|
|
ValueConstIterator& ValueConstIterator::
|
|
operator=(const ValueIteratorBase& other) {
|
|
copy(other);
|
|
return *this;
|
|
}
|
|
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// class ValueIterator
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
// //////////////////////////////////////////////////////////////////
|
|
|
|
ValueIterator::ValueIterator() {}
|
|
|
|
#ifndef JSON_VALUE_USE_INTERNAL_MAP
|
|
ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
|
|
: ValueIteratorBase(current) {}
|
|
#else
|
|
ValueIterator::ValueIterator(const ValueInternalArray::IteratorState& state)
|
|
: ValueIteratorBase(state) {}
|
|
|
|
ValueIterator::ValueIterator(const ValueInternalMap::IteratorState& state)
|
|
: ValueIteratorBase(state) {}
|
|
#endif
|
|
|
|
ValueIterator::ValueIterator(const ValueConstIterator& other)
|
|
: ValueIteratorBase(other) {}
|
|
|
|
ValueIterator::ValueIterator(const ValueIterator& other)
|
|
: ValueIteratorBase(other) {}
|
|
|
|
ValueIterator& ValueIterator::operator=(const SelfType& other) {
|
|
copy(other);
|
|
return *this;
|
|
}
|
|
|
|
} // namespace Json
|