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authorfrosch <frosch@openttd.org>2010-01-16 13:52:24 +0000
committerfrosch <frosch@openttd.org>2010-01-16 13:52:24 +0000
commitc7dafb9a26e355621a8f99b5fb470ceb97ce1fd0 (patch)
tree945e6a69fed6edac8a69f8f8137cf4064932529a /src/misc/fixedsizearray.hpp
parent21fff6407d8c29e383d64cb4319c4f1698b739cc (diff)
downloadopenttd-c7dafb9a26e355621a8f99b5fb470ceb97ce1fd0.tar.xz
(svn r18822) -Codechange: Rename YAPF-related container classes and their members to better fit other container classes. (skidd13)
Diffstat (limited to 'src/misc/fixedsizearray.hpp')
-rw-r--r--src/misc/fixedsizearray.hpp64
1 files changed, 32 insertions, 32 deletions
diff --git a/src/misc/fixedsizearray.hpp b/src/misc/fixedsizearray.hpp
index 3e39cc4d9..d6c1242f3 100644
--- a/src/misc/fixedsizearray.hpp
+++ b/src/misc/fixedsizearray.hpp
@@ -18,61 +18,61 @@
* Upon construction it preallocates fixed size block of memory
* for all items, but doesn't construct them. Item's construction
* is delayed. */
-template <class Titem_, int Tcapacity_>
-struct CFixedSizeArrayT {
+template <class T, int C>
+struct FixedSizeArray {
/** the only member of fixed size array is pointer to the block
- * of C array of items. Header can be found on the offset -sizeof(CHdr). */
- Titem_ *m_items;
+ * of C array of items. Header can be found on the offset -sizeof(ArrayHeader). */
+ T *data;
/** header for fixed size array */
- struct CHdr
+ struct ArrayHeader
{
- int m_num_items; ///< number of items in the array
- int m_ref_cnt; ///< block reference counter (used by copy constructor and by destructor)
+ int items; ///< number of items in the array
+ int reference_count; ///< block reference counter (used by copy constructor and by destructor)
};
/* make types and constants visible from outside */
- typedef Titem_ Titem; // type of array item
+ typedef T Titem; // type of array item
- static const int Tcapacity = Tcapacity_; // the array capacity (maximum size)
- static const int TitemSize = sizeof(Titem_); // size of item
- static const int ThdrSize = sizeof(CHdr); // size of header
+ static const int Tcapacity = C; // the array capacity (maximum size)
+ static const int Tsize = sizeof(T); // size of item
+ static const int HeaderSize = sizeof(ArrayHeader); // size of header
/** Default constructor. Preallocate space for items and header, then initialize header. */
- CFixedSizeArrayT()
+ FixedSizeArray()
{
/* allocate block for header + items (don't construct items) */
- m_items = (Titem*)((MallocT<int8>(ThdrSize + Tcapacity * sizeof(Titem))) + ThdrSize);
+ data = (Titem*)((MallocT<int8>(HeaderSize + Tcapacity * Tsize)) + HeaderSize);
SizeRef() = 0; // initial number of items
RefCnt() = 1; // initial reference counter
}
/** Copy constructor. Preallocate space for items and header, then initialize header. */
- CFixedSizeArrayT(const CFixedSizeArrayT<Titem_, Tcapacity_>& src)
+ FixedSizeArray(const FixedSizeArray<T, C>& src)
{
/* share block (header + items) with the source array */
- m_items = src.m_items;
+ data = src.data;
RefCnt()++; // now we share block with the source
}
/** destroy remaining items and free the memory block */
- ~CFixedSizeArrayT()
+ ~FixedSizeArray()
{
/* release one reference to the shared block */
if ((--RefCnt()) > 0) return; // and return if there is still some owner
Clear();
/* free the memory block occupied by items */
- free(((int8*)m_items) - ThdrSize);
- m_items = NULL;
+ free(((int8*)data) - HeaderSize);
+ data = NULL;
}
/** Clear (destroy) all items */
FORCEINLINE void Clear()
{
/* walk through all allocated items backward and destroy them */
- for (Titem *pItem = &m_items[Size() - 1]; pItem >= m_items; pItem--) {
- pItem->~Titem_();
+ for (Titem *pItem = &data[Length() - 1]; pItem >= data; pItem--) {
+ pItem->~T();
}
/* number of items become zero */
SizeRef() = 0;
@@ -80,30 +80,30 @@ struct CFixedSizeArrayT {
protected:
/** return reference to the array header (non-const) */
- FORCEINLINE CHdr& Hdr() { return *(CHdr*)(((int8*)m_items) - ThdrSize); }
+ FORCEINLINE ArrayHeader& Hdr() { return *(ArrayHeader*)(((int8*)data) - HeaderSize); }
/** return reference to the array header (const) */
- FORCEINLINE const CHdr& Hdr() const { return *(CHdr*)(((int8*)m_items) - ThdrSize); }
+ FORCEINLINE const ArrayHeader& Hdr() const { return *(ArrayHeader*)(((int8*)data) - HeaderSize); }
/** return reference to the block reference counter */
- FORCEINLINE int& RefCnt() { return Hdr().m_ref_cnt; }
+ FORCEINLINE int& RefCnt() { return Hdr().reference_count; }
/** return reference to number of used items */
- FORCEINLINE int& SizeRef() { return Hdr().m_num_items; }
+ FORCEINLINE int& SizeRef() { return Hdr().items; }
public:
/** return number of used items */
- FORCEINLINE int Size() const { return Hdr().m_num_items; }
+ FORCEINLINE int Length() const { return Hdr().items; }
/** return true if array is full */
- FORCEINLINE bool IsFull() const { return Size() >= Tcapacity; };
+ FORCEINLINE bool IsFull() const { return Length() >= Tcapacity; };
/** return true if array is empty */
- FORCEINLINE bool IsEmpty() const { return Size() <= 0; };
+ FORCEINLINE bool IsEmpty() const { return Length() <= 0; };
/** index validation */
- FORCEINLINE void CheckIdx(int idx) const { assert(idx >= 0); assert(idx < Size()); }
+ FORCEINLINE void CheckIdx(int index) const { assert(index >= 0); assert(index < Length()); }
/** add (allocate), but don't construct item */
- FORCEINLINE Titem& AddNC() { assert(!IsFull()); return m_items[SizeRef()++]; }
+ FORCEINLINE Titem& Append() { assert(!IsFull()); return data[SizeRef()++]; }
/** add and construct item using default constructor */
- FORCEINLINE Titem& Add() { Titem& item = AddNC(); new(&item)Titem; return item; }
+ FORCEINLINE Titem& AppendC() { Titem& item = Append(); new(&item)Titem; return item; }
/** return item by index (non-const version) */
- FORCEINLINE Titem& operator [] (int idx) { CheckIdx(idx); return m_items[idx]; }
+ FORCEINLINE Titem& operator [] (int index) { CheckIdx(index); return data[index]; }
/** return item by index (const version) */
- FORCEINLINE const Titem& operator [] (int idx) const { CheckIdx(idx); return m_items[idx]; }
+ FORCEINLINE const Titem& operator [] (int index) const { CheckIdx(index); return data[index]; }
};
#endif /* FIXEDSIZEARRAY_HPP */