enum.cpp

这是一个能够自动生成文档的程序

#include "stdafx.h"

#include "Enum.h"
#include "CPGlobals.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

BEGIN_TEST_DUMP(ENUMITEM)
    TEST_DUMP(index)
	TEST_DUMP(value)
END_TEST_DUMP()


BEGIN_TEST_DUMP(CEnum)
    TEST_DUMP_BASE(CIdentifier)
    TEST_DUMP(mName)
END_TEST_DUMP()


CEnum::CEnum(CPage* ipPage/*=NULL*/, int iLine/*=1*/, int iColumn/*=1*/)
:
CIdentifier(ipPage, iLine, iColumn)
{

}

CEnum::~CEnum()
{
	POSITION pos = mItemList.GetHeadPosition();
	while(pos != NULL)
		delete mItemList.GetNext(pos);

	mItemList.RemoveAll();
}

CEnum* CEnum::ParseEnum(CTokenList& ioList, POSITION& ioPos)
{
	ASSERT(ioPos != NULL);
	CToken* pToken = ioList.GetAt(ioPos);

	//加入Idens并由其删除
	CEnum* pEnum = new CEnum(gpCurrPage, 
		pToken->GetLine(), pToken->GetColumn());

	NEXT_TOKEN_OR_RETURN_VALUE(pEnum);

	if(pToken->GetType() == TT_WORD) //有名称的enum
	{
		pEnum->SetName(pToken->GetContent());
		NEXT_TOKEN_OR_RETURN_VALUE(pEnum);
	}
	else
	{
		CString name;
		name.Format("_vuxun_%d", gIndex++);
		pEnum->SetName(name);
	}

	if(pToken->GetType() != TT_LSQUARE) //这里必须是 {
		TOKEN_EXCEPTION();

	//开始读取内容
	int value = 0; //默认由0开始
    while(TRUE)
	{
		NEXT_TOKEN_OR_BREAK();

		if(pToken->GetType() == TT_RSQUARE) // } 结束
        {
			NEXT_TOKEN_OR_BREAK(); 
			if(pToken->GetType() != TT_SEMICOLON) //这里必须是;
                TOKEN_EXCEPTION();
			break;
		}
        else if(pToken->IsType(TT_COMMA)) //跳过,
		{
		    continue;
		}

		//加入mItemList,由析构函数删除
		ENUMITEM* pItem = new ENUMITEM;
		pEnum->AddEnumItem(pItem);
		pItem->index = pToken->GetContent();
        
		POSITION currPos = ioPos;
        NEXT_TOKEN_OR_BREAK();
        if(pToken->GetType() == TT_ASSIGN) //用=指定值
		{
            NEXT_TOKEN_OR_BREAK();
	        //if(pToken->GetType() != TT_DIGIT) //这里必须是 数字
		    //     TOKEN_EXCEPTION();

			CString digit = pToken->GetContent();
			if (digit.Find('x') != -1 ||
				digit.Find('X') != -1 ||
			    digit.Find('h') != -1 ||
				digit.Find('H') != -1 )
				value = ::strtol(digit, NULL, 16);                
			else
			    value = ::atoi(digit); 
		}
		else //不是=, POSITION要退回去
		{
			ioPos = currPos;
		}

		pItem->value = value;
		value++;
		TEST_TRACE(pItem);
	}

	return pEnum;
}

BOOL CEnum::GetNextItem(CString& oName)
{
    static POSITION pos = NULL;

	if(pos == NULL)
		pos = mItemList.GetHeadPosition();

	if(pos == NULL)
		return FALSE;
	
    ENUMITEM* pItem = mItemList.GetNext(pos);
	ASSERT(pItem != NULL);
    oName = pItem->index;

	return pos != NULL;
}