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json test
jsoncpp/src/lib_json/json_valueiterator.inl
- Committer:
- tgw
- Date:
- 2018-01-26
- Revision:
- 0:2ee762ea11b3
File content as of revision 0:2ee762ea11b3:
// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors // 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); } JSONCPP_STRING ValueIteratorBase::name() const { char const* keey; char const* end; keey = memberName(&end); if (!keey) return JSONCPP_STRING(); return JSONCPP_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(ValueIterator const& other) : ValueIteratorBase(other) {} 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) { throwRuntimeError("ConstIterator to Iterator should never be allowed."); } ValueIterator::ValueIterator(const ValueIterator& other) : ValueIteratorBase(other) {} ValueIterator& ValueIterator::operator=(const SelfType& other) { copy(other); return *this; } } // namespace Json