diff options
Diffstat (limited to 'debian/uncrustify-trinity/uncrustify-trinity-0.76.0/src/ListManager.h')
| -rw-r--r-- | debian/uncrustify-trinity/uncrustify-trinity-0.76.0/src/ListManager.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/debian/uncrustify-trinity/uncrustify-trinity-0.76.0/src/ListManager.h b/debian/uncrustify-trinity/uncrustify-trinity-0.76.0/src/ListManager.h new file mode 100644 index 00000000..64bc5fd8 --- /dev/null +++ b/debian/uncrustify-trinity/uncrustify-trinity-0.76.0/src/ListManager.h @@ -0,0 +1,216 @@ +/** + * @file ListManager.h + * Template class that manages items in a double-linked list. + * If C++ could do it, this would just be a class that worked on an interface. + * + * @author Ben Gardner + * @license GPL v2+ + */ + +#ifndef LIST_MANAGER_H_INCLUDED +#define LIST_MANAGER_H_INCLUDED + +#include "chunk.h" + +/** + * A simple list manager for a double-linked list of Chunk items. + */ +class ChunkListManager +{ +protected: + Chunk *m_head; // pointer to the head of list + Chunk *m_tail; // pointer to tail of list + +public: + ChunkListManager() + { + m_head = Chunk::NullChunkPtr; + m_tail = Chunk::NullChunkPtr; + } + + + /** + * @return pointer to first element of the linked list + */ + Chunk *GetHead() const + { + return(m_head); + } + + + /** + * @return pointer to last element of the linked list + */ + Chunk *GetTail() const + { + return(m_tail); + } + + + /** + * @brief remove an element from a linked list + * @param[in] obj chunk to remove from the list + */ + void Remove(Chunk *obj) + { + if (obj != Chunk::NullChunkPtr) + { + if (m_head == obj) + { + m_head = obj->m_next; + } + + if (m_tail == obj) + { + m_tail = obj->m_prev; + } + + if (obj->m_next != Chunk::NullChunkPtr) + { + obj->m_next->m_prev = obj->m_prev; + } + + if (obj->m_prev != Chunk::NullChunkPtr) + { + obj->m_prev->m_next = obj->m_next; + } + obj->m_next = Chunk::NullChunkPtr; + obj->m_prev = Chunk::NullChunkPtr; + } + } + + + //! swap two elements of a list + void Swap(Chunk *obj1, Chunk *obj2) + { + if ( obj1 != Chunk::NullChunkPtr + && obj2 != Chunk::NullChunkPtr) + { + if (obj1->m_prev == obj2) + { + Remove(obj1); + AddBefore(obj1, obj2); + } + else if (obj2->m_prev == obj1) + { + Remove(obj2); + AddBefore(obj2, obj1); + } + else + { + Chunk *m_prev1 = obj1->m_prev; + Remove(obj1); + + Chunk *m_prev2 = obj2->m_prev; + Remove(obj2); + + AddAfter(obj1, m_prev2); + AddAfter(obj2, m_prev1); + } + } + } + + + /** + * @brief add a new element after a reference position in a list + * + * @param obj new element to add to list + * @param ref chunk after which to insert new object + */ + void AddAfter(Chunk *obj, Chunk *ref) + { + if ( obj != Chunk::NullChunkPtr + && ref != Chunk::NullChunkPtr) + { + obj->m_next = ref->m_next; + obj->m_prev = ref; + + if (ref->m_next != Chunk::NullChunkPtr) + { + ref->m_next->m_prev = obj; + } + else + { + m_tail = obj; + } + ref->m_next = obj; + } + } + + + /** + * @brief add a new element before a reference position in a list + * + * @param obj new element to add to list + * @param ref chunk before to insert new object + */ + void AddBefore(Chunk *obj, Chunk *ref) + { + if ( obj != Chunk::NullChunkPtr + && ref != Chunk::NullChunkPtr) + { + Remove(obj); + obj->m_next = ref; + obj->m_prev = ref->m_prev; + + if (ref->m_prev != Chunk::NullChunkPtr) + { + ref->m_prev->m_next = obj; + } + else + { + m_head = obj; + } + ref->m_prev = obj; + } + } + + + /** + * @brief add a new element to the tail of a lis + * + * @param obj new element to add to the list + */ + void AddTail(Chunk *obj) + { + obj->m_next = Chunk::NullChunkPtr; + obj->m_prev = m_tail; + + if (m_tail == Chunk::NullChunkPtr) + { + m_tail = obj; + m_head = obj; + } + else + { + m_tail->m_next = obj; + } + m_tail = obj; + } + + + /** + * @brief add a new element to the head of a list + * + * @param obj new element to add to the list + */ + void AddHead(Chunk *obj) + { + obj->m_next = m_head; + obj->m_prev = Chunk::NullChunkPtr; + + if (m_head == Chunk::NullChunkPtr) + { + m_tail = obj; + m_head = obj; + } + else + { + m_head->m_prev = obj; + } + m_head = obj; + } +}; + + +#endif /* LIST_MANAGER_H_INCLUDED */ |