mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-24 03:30:52 +08:00
163 lines
4.9 KiB
Plaintext
163 lines
4.9 KiB
Plaintext
|
// 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()
|
||
|
: current_(), isNull_(true) {
|
||
|
}
|
||
|
|
||
|
ValueIteratorBase::ValueIteratorBase(
|
||
|
const Value::ObjectValues::iterator& current)
|
||
|
: current_(current), isNull_(false) {}
|
||
|
|
||
|
Value& ValueIteratorBase::deref() const {
|
||
|
return current_->second;
|
||
|
}
|
||
|
|
||
|
void ValueIteratorBase::increment() {
|
||
|
++current_;
|
||
|
}
|
||
|
|
||
|
void ValueIteratorBase::decrement() {
|
||
|
--current_;
|
||
|
}
|
||
|
|
||
|
ValueIteratorBase::difference_type
|
||
|
ValueIteratorBase::computeDistance(const SelfType& other) const {
|
||
|
#ifdef JSON_USE_CPPTL_SMALLMAP
|
||
|
return other.current_ - 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
|
||
|
}
|
||
|
|
||
|
bool ValueIteratorBase::isEqual(const SelfType& other) const {
|
||
|
if (isNull_) {
|
||
|
return other.isNull_;
|
||
|
}
|
||
|
return current_ == other.current_;
|
||
|
}
|
||
|
|
||
|
void ValueIteratorBase::copy(const SelfType& other) {
|
||
|
current_ = other.current_;
|
||
|
isNull_ = other.isNull_;
|
||
|
}
|
||
|
|
||
|
Value ValueIteratorBase::key() const {
|
||
|
const Value::CZString czstring = (*current_).first;
|
||
|
if (czstring.data()) {
|
||
|
if (czstring.isStaticString())
|
||
|
return Value(StaticString(czstring.data()));
|
||
|
return Value(czstring.data(), czstring.data() + czstring.length());
|
||
|
}
|
||
|
return Value(czstring.index());
|
||
|
}
|
||
|
|
||
|
UInt ValueIteratorBase::index() const {
|
||
|
const Value::CZString czstring = (*current_).first;
|
||
|
if (!czstring.data())
|
||
|
return czstring.index();
|
||
|
return Value::UInt(-1);
|
||
|
}
|
||
|
|
||
|
std::string ValueIteratorBase::name() const {
|
||
|
char const* keey;
|
||
|
char const* end;
|
||
|
keey = memberName(&end);
|
||
|
if (!keey) return std::string();
|
||
|
return std::string(keey, end);
|
||
|
}
|
||
|
|
||
|
char const* ValueIteratorBase::memberName() const {
|
||
|
const char* cname = (*current_).first.data();
|
||
|
return cname ? cname : "";
|
||
|
}
|
||
|
|
||
|
char const* ValueIteratorBase::memberName(char const** end) const {
|
||
|
const char* cname = (*current_).first.data();
|
||
|
if (!cname) {
|
||
|
*end = NULL;
|
||
|
return NULL;
|
||
|
}
|
||
|
*end = cname + (*current_).first.length();
|
||
|
return cname;
|
||
|
}
|
||
|
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// class ValueConstIterator
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
|
||
|
ValueConstIterator::ValueConstIterator() {}
|
||
|
|
||
|
ValueConstIterator::ValueConstIterator(
|
||
|
const Value::ObjectValues::iterator& current)
|
||
|
: ValueIteratorBase(current) {}
|
||
|
|
||
|
ValueConstIterator& ValueConstIterator::
|
||
|
operator=(const ValueIteratorBase& other) {
|
||
|
copy(other);
|
||
|
return *this;
|
||
|
}
|
||
|
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// class ValueIterator
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
// //////////////////////////////////////////////////////////////////
|
||
|
|
||
|
ValueIterator::ValueIterator() {}
|
||
|
|
||
|
ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
|
||
|
: ValueIteratorBase(current) {}
|
||
|
|
||
|
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
|