mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
186 lines
4.5 KiB
186 lines
4.5 KiB
/*
|
|
* _FORMAT.H
|
|
*
|
|
* Purpose:
|
|
* CCharFormatArray and CParaFormatArray
|
|
*
|
|
* Authors:
|
|
* Original RichEdit code: David R. Fulmer
|
|
* Christian Fortini
|
|
* Murray Sargent
|
|
*
|
|
* Copyright (c) 1995-1997, Microsoft Corporation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _FORMAT_H
|
|
#define _FORMAT_H
|
|
|
|
#include "textserv.h"
|
|
|
|
#define celGrow 8
|
|
#define FLBIT 0x80000000
|
|
|
|
//+-----------------------------------------------------------------------
|
|
// Interface IFormatCache
|
|
// Interface ICharFormatCache
|
|
// Interface IParaFormatCache
|
|
//
|
|
// Format caches - Used by the host to manage the cache of CHARFORMAT
|
|
// and PARAFORMAT structures. Note that these interfaces DON'T derive from
|
|
// IUnknown
|
|
//------------------------------------------------------------------------
|
|
|
|
interface IFormatCache
|
|
{
|
|
virtual LONG AddRef(LONG iFormat) = 0;
|
|
virtual LONG Release(LONG iFormat) = 0;
|
|
virtual void Destroy() = 0;
|
|
};
|
|
|
|
template <class FORMAT>
|
|
interface ITextFormatCache : public IFormatCache
|
|
{
|
|
virtual HRESULT Cache(const FORMAT *pFormat, LONG *piFormat) = 0;
|
|
virtual HRESULT Deref(LONG iFormat, const FORMAT **ppFormat) const = 0;
|
|
};
|
|
|
|
interface ICharFormatCache : public ITextFormatCache<CCharFormat>
|
|
{
|
|
};
|
|
|
|
interface IParaFormatCache : public ITextFormatCache<CParaFormat>
|
|
{
|
|
};
|
|
|
|
void ReleaseFormats(LONG iCF, LONG iPF);
|
|
|
|
HRESULT CreateFormatCaches();
|
|
HRESULT DestroyFormatCaches();
|
|
|
|
|
|
// =========================== CFixArray =================================
|
|
|
|
// This array class ensures stability of the indexes. Elements are freed by
|
|
// inserting them in a free list, and the array is never shrunk.
|
|
// The first UINT of ELEM is used to store the index of next element in the
|
|
// free list.
|
|
|
|
class CFixArrayBase
|
|
{
|
|
private:
|
|
char* _prgel; // array of elements
|
|
LONG _cel; // total count of elements (including free ones)
|
|
LONG _ielFirstFree; // - first free element
|
|
LONG _cbElem; // size of each element
|
|
|
|
public:
|
|
CFixArrayBase (LONG cbElem);
|
|
~CFixArrayBase () {Free();}
|
|
|
|
void* Elem(LONG iel) const {return _prgel + iel * _cbElem;}
|
|
LONG Count() const {return _cel;}
|
|
|
|
LONG Add ();
|
|
void Free (LONG ielFirst);
|
|
void Free ();
|
|
|
|
HRESULT Deref (LONG iel, const void **ppel) const;
|
|
LONG AddRef (LONG iel);
|
|
LONG Release(LONG iel);
|
|
HRESULT Cache (const void *pel, LONG *piel);
|
|
|
|
#ifdef DEBUG
|
|
void CheckFreeChainFn(LPSTR szFile, INT nLine);
|
|
#endif
|
|
|
|
protected:
|
|
LONG & RefCount(LONG iel);
|
|
|
|
private:
|
|
LONG Find (const void *pel);
|
|
};
|
|
|
|
template <class ELEM>
|
|
class CFixArray : public CFixArrayBase
|
|
{
|
|
public:
|
|
CFixArray () : CFixArrayBase (sizeof(ELEM)) {}
|
|
//@cmember Get ptr to <p iel>'th
|
|
ELEM * Elem(LONG iel) const // element
|
|
{return (ELEM *)CFixArrayBase::Elem(iel);}
|
|
|
|
protected: //@cmember Get ptr to <p iel>'th
|
|
LONG & RefCount(LONG iel) // ref count
|
|
{return CFixArrayBase::RefCount(iel);}
|
|
};
|
|
|
|
#ifdef DEBUG
|
|
#define CheckFreeChain()\
|
|
CheckFreeChainFn(__FILE__, __LINE__)
|
|
#else
|
|
#define CheckFreeChain()
|
|
#endif // DEBUG
|
|
|
|
|
|
//================================ CCharFormatArray ==============================
|
|
|
|
class CCharFormatArray : public CFixArray<CCharFormat>, public ICharFormatCache
|
|
{
|
|
protected:
|
|
LONG Find(const CCharFormat *pCF);
|
|
|
|
public:
|
|
CCharFormatArray() : CFixArray<CCharFormat>() {}
|
|
|
|
// ICharFormatCache
|
|
virtual HRESULT Cache(const CCharFormat *pCF, LONG *piCF);
|
|
virtual HRESULT Deref(LONG iCF, const CCharFormat **ppCF) const;
|
|
virtual LONG AddRef(LONG iCF);
|
|
virtual LONG Release(LONG iCF);
|
|
virtual void Destroy();
|
|
};
|
|
|
|
|
|
//=============================== CParaFormatArray ==================================
|
|
|
|
class CParaFormatArray : public CFixArray<CParaFormat>, public IParaFormatCache
|
|
{
|
|
protected:
|
|
LONG Find(const CParaFormat *pPF);
|
|
|
|
public:
|
|
CParaFormatArray() : CFixArray<CParaFormat>() {}
|
|
|
|
// IParaFormatCache
|
|
virtual HRESULT Cache(const CParaFormat *pPF, LONG *piPF);
|
|
virtual HRESULT Deref(LONG iPF, const CParaFormat **ppPF) const;
|
|
virtual LONG AddRef(LONG iPF);
|
|
virtual LONG Release(LONG iPF);
|
|
virtual void Destroy();
|
|
};
|
|
|
|
|
|
//=============================== CTabsArray ==================================
|
|
|
|
class CTabsArray : public CFixArray<CTabs>
|
|
{
|
|
protected:
|
|
LONG Find(const LONG *prgxTabs, LONG cTab);
|
|
|
|
public:
|
|
CTabsArray() : CFixArray<CTabs>() {}
|
|
~CTabsArray();
|
|
|
|
LONG Cache(const LONG *prgxTabs, LONG cTab);
|
|
const LONG *Deref(LONG iTabs) const;
|
|
|
|
LONG AddRef (LONG iTabs);
|
|
LONG Release(LONG iTabs);
|
|
};
|
|
|
|
// Access to the format caches
|
|
ICharFormatCache *GetCharFormatCache();
|
|
IParaFormatCache *GetParaFormatCache();
|
|
CTabsArray *GetTabsCache();
|
|
|
|
#endif
|