stringholder.h

Blood 2全套源码

//------------------------------------------------------------------
//
//	FILE	  : StringHolder.h
//
//	PURPOSE	  : Defines the CStringHolder class.  StringHolders
//				help you manage memory when dealing with strings
//              in particular.
//
//	CREATED	  : 5/1/96
//
//	COPYRIGHT : Monolith 1996 All Rights Reserved
//
//------------------------------------------------------------------

#ifndef __STRINGHOLDER_H__
	#define __STRINGHOLDER_H__
	

	#include "StdLithDefs.h"
	#include "DynArray.h"
	#include "Memory.h"


	class SBank
	{
	public:
		char	*m_pString;
		WORD	m_AllocSize;
		WORD	m_StringSize; // Current length of the string.
	};


	class CStringHolder
	{
		public:
			
			// Constructors
								CStringHolder();
								CStringHolder( unsigned short allocSize );
			
			// Destructor
								~CStringHolder();

			
			// Member functions
			
			// Changes the allocation size.  You can only do this when the stringholder is empty.
			void				SetAllocSize( unsigned short size );
			
			// Adds the string in, and grows the internal array if necessary.
			// If bFindFirst=TRUE, it'll search the current array and 
			// if the string's already there, return a pointer to it.
			char*				AddString( const char *pString, BOOL bFindFirst=TRUE );

			// Same as above, but here it'll use len and ignore the
			// contents of the string.
			char*				AddString( const char *pString, BOOL bFindFirst, unsigned long len );
			
			// Returns a pointer if it can find it.
			// Returns Null if it's not in there.
			char*				FindString( const char *pString );
			
			// Clears out all strings.
			void				ClearStrings();	


		private:

			// Member variables
			
			// Pointers to strings.
			CMoArray<SBank>		m_Strings;
			
			// When it has to allocate a string,
			// this is how big the string is (at a minimum).
			unsigned short		m_AllocSize;
	};


#endif