osgEarth::Json::ValueIteratorBase Class Reference

Experimental and untested: base class for Value iterators. More...

Inheritance diagram for osgEarth::Json::ValueIteratorBase:

List of all members.

Public Types
typedef unsigned int	size_t
typedef int	difference_type
typedef ValueIteratorBase	SelfType
Public Member Functions
	ValueIteratorBase ()
	ValueIteratorBase (const Value::ObjectValues::iterator &current)
bool	operator== (const SelfType &other) const
bool	operator!= (const SelfType &other) const
difference_type	operator- (const SelfType &other) const
Value	key () const
	Return either the index or the member name of the referenced value as a Value.
Value::UInt	index () const
	Return the index of the referenced Value. -1 if it is not an arrayValue.
const char *	memberName () const
	Return the member name of the referenced Value. "" if it is not an objectValue.
Protected Member Functions
Value &	deref () const
void	increment ()
void	decrement ()
difference_type	computeDistance (const SelfType &other) const
bool	isEqual (const SelfType &other) const
void	copy (const SelfType &other)
Private Attributes
Value::ObjectValues::iterator	current_

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Detailed Description

Experimental and untested: base class for Value iterators.

Definition at line 922 of file JsonUtils.

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Member Typedef Documentation

typedef int osgEarth::Json::ValueIteratorBase::difference_type

Reimplemented in osgEarth::Json::ValueConstIterator, and osgEarth::Json::ValueIterator.

Definition at line 926 of file JsonUtils.

typedef ValueIteratorBase osgEarth::Json::ValueIteratorBase::SelfType

Reimplemented in osgEarth::Json::ValueConstIterator, and osgEarth::Json::ValueIterator.

Definition at line 927 of file JsonUtils.

typedef unsigned int osgEarth::Json::ValueIteratorBase::size_t

Reimplemented in osgEarth::Json::ValueConstIterator, and osgEarth::Json::ValueIterator.

Definition at line 925 of file JsonUtils.

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Constructor & Destructor Documentation

ValueIteratorBase::ValueIteratorBase

(

)

Definition at line 142 of file JsonUtils.cpp.

{
}

ValueIteratorBase::ValueIteratorBase

(

const Value::ObjectValues::iterator &

current

)

[explicit]

Definition at line 148 of file JsonUtils.cpp.

   : current_( current )
{
}

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Member Function Documentation

ValueIteratorBase::difference_type ValueIteratorBase::computeDistance

(

const SelfType &

other

)

const [protected]

Definition at line 207 of file JsonUtils.cpp.

{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
# ifdef JSON_USE_CPPTL_SMALLMAP
   return current_ - other.current_;
# else
   return difference_type( std::distance( current_, other.current_ ) );
# endif
#else
   if ( isArray_ )
      return ValueInternalArray::distance( iterator_.array_, other.iterator_.array_ );
   return ValueInternalMap::distance( iterator_.map_, other.iterator_.map_ );
#endif
}

void ValueIteratorBase::copy

(

const SelfType &

other

)

[protected]

Definition at line 237 of file JsonUtils.cpp.

{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
   current_ = other.current_;
#else
   if ( isArray_ )
      iterator_.array_ = other.iterator_.array_;
   iterator_.map_ = other.iterator_.map_;
#endif
}

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void ValueIteratorBase::decrement

(

)

[protected]

Definition at line 194 of file JsonUtils.cpp.

{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
   --current_;
#else
   if ( isArray_ )
      ValueInternalArray::decrement( iterator_.array_ );
   ValueInternalMap::decrement( iterator_.map_ );
#endif
}

Value & ValueIteratorBase::deref

(

)

const [protected]

Definition at line 168 of file JsonUtils.cpp.

{
#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

(

)

[protected]

Definition at line 181 of file JsonUtils.cpp.

{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
   ++current_;
#else
   if ( isArray_ )
      ValueInternalArray::increment( iterator_.array_ );
   ValueInternalMap::increment( iterator_.map_ );
#endif
}

Value::UInt ValueIteratorBase::index

(

)

const

Return the index of the referenced Value. -1 if it is not an arrayValue.

Definition at line 274 of file JsonUtils.cpp.

{
#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
}

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bool ValueIteratorBase::isEqual

(

const SelfType &

other

)

const [protected]

Definition at line 224 of file JsonUtils.cpp.

{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
   return current_ == other.current_;
#else
   if ( isArray_ )
      return ValueInternalArray::equals( iterator_.array_, other.iterator_.array_ );
   return ValueInternalMap::equals( iterator_.map_, other.iterator_.map_ );
#endif
}

Value ValueIteratorBase::key

(

)

const

Return either the index or the member name of the referenced value as a Value.

Definition at line 250 of file JsonUtils.cpp.

{
#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
}

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const char * ValueIteratorBase::memberName

(

)

const

Return the member name of the referenced Value. "" if it is not an objectValue.

Definition at line 290 of file JsonUtils.cpp.

{
#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
}

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bool osgEarth::Json::ValueIteratorBase::operator!=

(

const SelfType &

other

)

const [inline]

Definition at line 942 of file JsonUtils.

      {
         return !isEqual( other );
      }

difference_type osgEarth::Json::ValueIteratorBase::operator-

(

const SelfType &

other

)

const [inline]

Definition at line 947 of file JsonUtils.

      {
         return computeDistance( other );
      }

bool osgEarth::Json::ValueIteratorBase::operator==

(

const SelfType &

other

)

const [inline]

Definition at line 937 of file JsonUtils.

      {
         return isEqual( other );
      }

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Member Data Documentation

Value::ObjectValues::iterator osgEarth::Json::ValueIteratorBase::current_ [private]

Definition at line 976 of file JsonUtils.

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The documentation for this class was generated from the following files:

• /home/cube/sources/osgearth/src/osgEarth/JsonUtils
• /home/cube/sources/osgearth/src/osgEarth/JsonUtils.cpp