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m---------lib/jsoncpp0
-rw-r--r--lib/jsoncpp/src/lib_json/json_internalmap.inl607
2 files changed, 0 insertions, 607 deletions
diff --git a/lib/jsoncpp b/lib/jsoncpp
new file mode 160000
+Subproject 5256551b0307d3e85f453faf1b1822b1d859f94
diff --git a/lib/jsoncpp/src/lib_json/json_internalmap.inl b/lib/jsoncpp/src/lib_json/json_internalmap.inl
deleted file mode 100644
index 19771488d..000000000
--- a/lib/jsoncpp/src/lib_json/json_internalmap.inl
+++ /dev/null
@@ -1,607 +0,0 @@
-// included by json_value.cpp
-// everything is within Json namespace
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class ValueInternalMap
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-/** \internal MUST be safely initialized using memset( this, 0, sizeof(ValueInternalLink) );
- * This optimization is used by the fast allocator.
- */
-ValueInternalLink::ValueInternalLink()
- : previous_( 0 )
- , next_( 0 )
-{
-}
-
-ValueInternalLink::~ValueInternalLink()
-{
- for ( int index =0; index < itemPerLink; ++index )
- {
- if ( !items_[index].isItemAvailable() )
- {
- if ( !items_[index].isMemberNameStatic() )
- free( keys_[index] );
- }
- else
- break;
- }
-}
-
-
-
-ValueMapAllocator::~ValueMapAllocator()
-{
-}
-
-#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
-class DefaultValueMapAllocator : public ValueMapAllocator
-{
-public: // overridden from ValueMapAllocator
- virtual ValueInternalMap *newMap()
- {
- return new ValueInternalMap();
- }
-
- virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
- {
- return new ValueInternalMap( other );
- }
-
- virtual void destructMap( ValueInternalMap *map )
- {
- delete map;
- }
-
- virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
- {
- return new ValueInternalLink[size];
- }
-
- virtual void releaseMapBuckets( ValueInternalLink *links )
- {
- delete [] links;
- }
-
- virtual ValueInternalLink *allocateMapLink()
- {
- return new ValueInternalLink();
- }
-
- virtual void releaseMapLink( ValueInternalLink *link )
- {
- delete link;
- }
-};
-#else
-/// @todo make this thread-safe (lock when accessign batch allocator)
-class DefaultValueMapAllocator : public ValueMapAllocator
-{
-public: // overridden from ValueMapAllocator
- virtual ValueInternalMap *newMap()
- {
- ValueInternalMap *map = mapsAllocator_.allocate();
- new (map) ValueInternalMap(); // placement new
- return map;
- }
-
- virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
- {
- ValueInternalMap *map = mapsAllocator_.allocate();
- new (map) ValueInternalMap( other ); // placement new
- return map;
- }
-
- virtual void destructMap( ValueInternalMap *map )
- {
- if ( map )
- {
- map->~ValueInternalMap();
- mapsAllocator_.release( map );
- }
- }
-
- virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
- {
- return new ValueInternalLink[size];
- }
-
- virtual void releaseMapBuckets( ValueInternalLink *links )
- {
- delete [] links;
- }
-
- virtual ValueInternalLink *allocateMapLink()
- {
- ValueInternalLink *link = linksAllocator_.allocate();
- memset( link, 0, sizeof(ValueInternalLink) );
- return link;
- }
-
- virtual void releaseMapLink( ValueInternalLink *link )
- {
- link->~ValueInternalLink();
- linksAllocator_.release( link );
- }
-private:
- BatchAllocator<ValueInternalMap,1> mapsAllocator_;
- BatchAllocator<ValueInternalLink,1> linksAllocator_;
-};
-#endif
-
-static ValueMapAllocator *&mapAllocator()
-{
- static DefaultValueMapAllocator defaultAllocator;
- static ValueMapAllocator *mapAllocator = &defaultAllocator;
- return mapAllocator;
-}
-
-static struct DummyMapAllocatorInitializer {
- DummyMapAllocatorInitializer()
- {
- mapAllocator(); // ensure mapAllocator() statics are initialized before main().
- }
-} dummyMapAllocatorInitializer;
-
-
-
-// h(K) = value * K >> w ; with w = 32 & K prime w.r.t. 2^32.
-
-/*
-use linked list hash map.
-buckets array is a container.
-linked list element contains 6 key/values. (memory = (16+4) * 6 + 4 = 124)
-value have extra state: valid, available, deleted
-*/
-
-
-ValueInternalMap::ValueInternalMap()
- : buckets_( 0 )
- , tailLink_( 0 )
- , bucketsSize_( 0 )
- , itemCount_( 0 )
-{
-}
-
-
-ValueInternalMap::ValueInternalMap( const ValueInternalMap &other )
- : buckets_( 0 )
- , tailLink_( 0 )
- , bucketsSize_( 0 )
- , itemCount_( 0 )
-{
- reserve( other.itemCount_ );
- IteratorState it;
- IteratorState itEnd;
- other.makeBeginIterator( it );
- other.makeEndIterator( itEnd );
- for ( ; !equals(it,itEnd); increment(it) )
- {
- bool isStatic;
- const char *memberName = key( it, isStatic );
- const Value &aValue = value( it );
- resolveReference(memberName, isStatic) = aValue;
- }
-}
-
-
-ValueInternalMap &
-ValueInternalMap::operator =( const ValueInternalMap &other )
-{
- ValueInternalMap dummy( other );
- swap( dummy );
- return *this;
-}
-
-
-ValueInternalMap::~ValueInternalMap()
-{
- if ( buckets_ )
- {
- for ( BucketIndex bucketIndex =0; bucketIndex < bucketsSize_; ++bucketIndex )
- {
- ValueInternalLink *link = buckets_[bucketIndex].next_;
- while ( link )
- {
- ValueInternalLink *linkToRelease = link;
- link = link->next_;
- mapAllocator()->releaseMapLink( linkToRelease );
- }
- }
- mapAllocator()->releaseMapBuckets( buckets_ );
- }
-}
-
-
-void
-ValueInternalMap::swap( ValueInternalMap &other )
-{
- ValueInternalLink *tempBuckets = buckets_;
- buckets_ = other.buckets_;
- other.buckets_ = tempBuckets;
- ValueInternalLink *tempTailLink = tailLink_;
- tailLink_ = other.tailLink_;
- other.tailLink_ = tempTailLink;
- BucketIndex tempBucketsSize = bucketsSize_;
- bucketsSize_ = other.bucketsSize_;
- other.bucketsSize_ = tempBucketsSize;
- BucketIndex tempItemCount = itemCount_;
- itemCount_ = other.itemCount_;
- other.itemCount_ = tempItemCount;
-}
-
-
-void
-ValueInternalMap::clear()
-{
- ValueInternalMap dummy;
- swap( dummy );
-}
-
-
-ValueInternalMap::BucketIndex
-ValueInternalMap::size() const
-{
- return itemCount_;
-}
-
-bool
-ValueInternalMap::reserveDelta( BucketIndex growth )
-{
- return reserve( itemCount_ + growth );
-}
-
-bool
-ValueInternalMap::reserve( BucketIndex newItemCount )
-{
- if ( !buckets_ && newItemCount > 0 )
- {
- buckets_ = mapAllocator()->allocateMapBuckets( 1 );
- bucketsSize_ = 1;
- tailLink_ = &buckets_[0];
- }
-// BucketIndex idealBucketCount = (newItemCount + ValueInternalLink::itemPerLink) / ValueInternalLink::itemPerLink;
- return true;
-}
-
-
-const Value *
-ValueInternalMap::find( const char *key ) const
-{
- if ( !bucketsSize_ )
- return 0;
- HashKey hashedKey = hash( key );
- BucketIndex bucketIndex = hashedKey % bucketsSize_;
- for ( const ValueInternalLink *current = &buckets_[bucketIndex];
- current != 0;
- current = current->next_ )
- {
- for ( BucketIndex index=0; index < ValueInternalLink::itemPerLink; ++index )
- {
- if ( current->items_[index].isItemAvailable() )
- return 0;
- if ( strcmp( key, current->keys_[index] ) == 0 )
- return &current->items_[index];
- }
- }
- return 0;
-}
-
-
-Value *
-ValueInternalMap::find( const char *key )
-{
- const ValueInternalMap *constThis = this;
- return const_cast<Value *>( constThis->find( key ) );
-}
-
-
-Value &
-ValueInternalMap::resolveReference( const char *key,
- bool isStatic )
-{
- HashKey hashedKey = hash( key );
- if ( bucketsSize_ )
- {
- BucketIndex bucketIndex = hashedKey % bucketsSize_;
- ValueInternalLink **previous = 0;
- BucketIndex index;
- for ( ValueInternalLink *current = &buckets_[bucketIndex];
- current != 0;
- previous = &current->next_, current = current->next_ )
- {
- for ( index=0; index < ValueInternalLink::itemPerLink; ++index )
- {
- if ( current->items_[index].isItemAvailable() )
- return setNewItem( key, isStatic, current, index );
- if ( strcmp( key, current->keys_[index] ) == 0 )
- return current->items_[index];
- }
- }
- }
-
- reserveDelta( 1 );
- return unsafeAdd( key, isStatic, hashedKey );
-}
-
-
-void
-ValueInternalMap::remove( const char *key )
-{
- HashKey hashedKey = hash( key );
- if ( !bucketsSize_ )
- return;
- BucketIndex bucketIndex = hashedKey % bucketsSize_;
- for ( ValueInternalLink *link = &buckets_[bucketIndex];
- link != 0;
- link = link->next_ )
- {
- BucketIndex index;
- for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
- {
- if ( link->items_[index].isItemAvailable() )
- return;
- if ( strcmp( key, link->keys_[index] ) == 0 )
- {
- doActualRemove( link, index, bucketIndex );
- return;
- }
- }
- }
-}
-
-void
-ValueInternalMap::doActualRemove( ValueInternalLink *link,
- BucketIndex index,
- BucketIndex bucketIndex )
-{
- // find last item of the bucket and swap it with the 'removed' one.
- // set removed items flags to 'available'.
- // if last page only contains 'available' items, then desallocate it (it's empty)
- ValueInternalLink *&lastLink = getLastLinkInBucket( index );
- BucketIndex lastItemIndex = 1; // a link can never be empty, so start at 1
- for ( ;
- lastItemIndex < ValueInternalLink::itemPerLink;
- ++lastItemIndex ) // may be optimized with dicotomic search
- {
- if ( lastLink->items_[lastItemIndex].isItemAvailable() )
- break;
- }
-
- BucketIndex lastUsedIndex = lastItemIndex - 1;
- Value *valueToDelete = &link->items_[index];
- Value *valueToPreserve = &lastLink->items_[lastUsedIndex];
- if ( valueToDelete != valueToPreserve )
- valueToDelete->swap( *valueToPreserve );
- if ( lastUsedIndex == 0 ) // page is now empty
- { // remove it from bucket linked list and delete it.
- ValueInternalLink *linkPreviousToLast = lastLink->previous_;
- if ( linkPreviousToLast != 0 ) // can not deleted bucket link.
- {
- mapAllocator()->releaseMapLink( lastLink );
- linkPreviousToLast->next_ = 0;
- lastLink = linkPreviousToLast;
- }
- }
- else
- {
- Value dummy;
- valueToPreserve->swap( dummy ); // restore deleted to default Value.
- valueToPreserve->setItemUsed( false );
- }
- --itemCount_;
-}
-
-
-ValueInternalLink *&
-ValueInternalMap::getLastLinkInBucket( BucketIndex bucketIndex )
-{
- if ( bucketIndex == bucketsSize_ - 1 )
- return tailLink_;
- ValueInternalLink *&previous = buckets_[bucketIndex+1].previous_;
- if ( !previous )
- previous = &buckets_[bucketIndex];
- return previous;
-}
-
-
-Value &
-ValueInternalMap::setNewItem( const char *key,
- bool isStatic,
- ValueInternalLink *link,
- BucketIndex index )
-{
- char *duplicatedKey = valueAllocator()->makeMemberName( key );
- ++itemCount_;
- link->keys_[index] = duplicatedKey;
- link->items_[index].setItemUsed();
- link->items_[index].setMemberNameIsStatic( isStatic );
- return link->items_[index]; // items already default constructed.
-}
-
-
-Value &
-ValueInternalMap::unsafeAdd( const char *key,
- bool isStatic,
- HashKey hashedKey )
-{
- JSON_ASSERT_MESSAGE( bucketsSize_ > 0, "ValueInternalMap::unsafeAdd(): internal logic error." );
- BucketIndex bucketIndex = hashedKey % bucketsSize_;
- ValueInternalLink *&previousLink = getLastLinkInBucket( bucketIndex );
- ValueInternalLink *link = previousLink;
- BucketIndex index;
- for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
- {
- if ( link->items_[index].isItemAvailable() )
- break;
- }
- if ( index == ValueInternalLink::itemPerLink ) // need to add a new page
- {
- ValueInternalLink *newLink = mapAllocator()->allocateMapLink();
- index = 0;
- link->next_ = newLink;
- previousLink = newLink;
- link = newLink;
- }
- return setNewItem( key, isStatic, link, index );
-}
-
-
-ValueInternalMap::HashKey
-ValueInternalMap::hash( const char *key ) const
-{
- HashKey hash = 0;
- while ( *key )
- hash += *key++ * 37;
- return hash;
-}
-
-
-int
-ValueInternalMap::compare( const ValueInternalMap &other ) const
-{
- int sizeDiff( itemCount_ - other.itemCount_ );
- if ( sizeDiff != 0 )
- return sizeDiff;
- // Strict order guaranty is required. Compare all keys FIRST, then compare values.
- IteratorState it;
- IteratorState itEnd;
- makeBeginIterator( it );
- makeEndIterator( itEnd );
- for ( ; !equals(it,itEnd); increment(it) )
- {
- if ( !other.find( key( it ) ) )
- return 1;
- }
-
- // All keys are equals, let's compare values
- makeBeginIterator( it );
- for ( ; !equals(it,itEnd); increment(it) )
- {
- const Value *otherValue = other.find( key( it ) );
- int valueDiff = value(it).compare( *otherValue );
- if ( valueDiff != 0 )
- return valueDiff;
- }
- return 0;
-}
-
-
-void
-ValueInternalMap::makeBeginIterator( IteratorState &it ) const
-{
- it.map_ = const_cast<ValueInternalMap *>( this );
- it.bucketIndex_ = 0;
- it.itemIndex_ = 0;
- it.link_ = buckets_;
-}
-
-
-void
-ValueInternalMap::makeEndIterator( IteratorState &it ) const
-{
- it.map_ = const_cast<ValueInternalMap *>( this );
- it.bucketIndex_ = bucketsSize_;
- it.itemIndex_ = 0;
- it.link_ = 0;
-}
-
-
-bool
-ValueInternalMap::equals( const IteratorState &x, const IteratorState &other )
-{
- return x.map_ == other.map_
- && x.bucketIndex_ == other.bucketIndex_
- && x.link_ == other.link_
- && x.itemIndex_ == other.itemIndex_;
-}
-
-
-void
-ValueInternalMap::incrementBucket( IteratorState &iterator )
-{
- ++iterator.bucketIndex_;
- JSON_ASSERT_MESSAGE( iterator.bucketIndex_ <= iterator.map_->bucketsSize_,
- "ValueInternalMap::increment(): attempting to iterate beyond end." );
- if ( iterator.bucketIndex_ == iterator.map_->bucketsSize_ )
- iterator.link_ = 0;
- else
- iterator.link_ = &(iterator.map_->buckets_[iterator.bucketIndex_]);
- iterator.itemIndex_ = 0;
-}
-
-
-void
-ValueInternalMap::increment( IteratorState &iterator )
-{
- JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterator using invalid iterator." );
- ++iterator.itemIndex_;
- if ( iterator.itemIndex_ == ValueInternalLink::itemPerLink )
- {
- JSON_ASSERT_MESSAGE( iterator.link_ != 0,
- "ValueInternalMap::increment(): attempting to iterate beyond end." );
- iterator.link_ = iterator.link_->next_;
- if ( iterator.link_ == 0 )
- incrementBucket( iterator );
- }
- else if ( iterator.link_->items_[iterator.itemIndex_].isItemAvailable() )
- {
- incrementBucket( iterator );
- }
-}
-
-
-void
-ValueInternalMap::decrement( IteratorState &iterator )
-{
- if ( iterator.itemIndex_ == 0 )
- {
- JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterate using invalid iterator." );
- if ( iterator.link_ == &iterator.map_->buckets_[iterator.bucketIndex_] )
- {
- JSON_ASSERT_MESSAGE( iterator.bucketIndex_ > 0, "Attempting to iterate beyond beginning." );
- --(iterator.bucketIndex_);
- }
- iterator.link_ = iterator.link_->previous_;
- iterator.itemIndex_ = ValueInternalLink::itemPerLink - 1;
- }
-}
-
-
-const char *
-ValueInternalMap::key( const IteratorState &iterator )
-{
- JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
- return iterator.link_->keys_[iterator.itemIndex_];
-}
-
-const char *
-ValueInternalMap::key( const IteratorState &iterator, bool &isStatic )
-{
- JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
- isStatic = iterator.link_->items_[iterator.itemIndex_].isMemberNameStatic();
- return iterator.link_->keys_[iterator.itemIndex_];
-}
-
-
-Value &
-ValueInternalMap::value( const IteratorState &iterator )
-{
- JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
- return iterator.link_->items_[iterator.itemIndex_];
-}
-
-
-int
-ValueInternalMap::distance( const IteratorState &x, const IteratorState &y )
-{
- int offset = 0;
- IteratorState it = x;
- while ( !equals( it, y ) )
- increment( it );
- return offset;
-}
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