page.cpp

这是一个能够自动生成文档的程序

// Page.cpp: implementation of the CPage class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

#include "Page.h"


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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

BEGIN_TEST_DUMP(CPage)
    TEST_DUMP(mPathName)
END_TEST_DUMP()


CPage::CPage(LPCTSTR iPathName)
:
mPathName(iPathName)
{
	mLine = 1;
	mColumn = 1;
}

CPage::~CPage()
{
	POSITION pos = mCommentList.GetHeadPosition();
	while(pos != NULL)
	{
		CToken* pToken = mCommentList.GetNext(pos);
		delete pToken;
	}
}

void CPage::AddIncludePage(CPage* ipIncludePage)
{
	if(ipIncludePage == NULL)
	{
		ASSERT(FALSE);
		return;
	}

	if(!IsIncludedPage(ipIncludePage))
		mIncludeList.AddTail(ipIncludePage);

	CPageList* pList = ipIncludePage->GetIncludeList();
    ASSERT(pList != NULL);

	POSITION pos = pList->GetHeadPosition();
	while(pos != NULL)
	{
		CPage* pPage = pList->GetNext(pos);
		if(!IsIncludedPage(pPage))
		    mIncludeList.AddTail(pPage);
	}
}

BOOL CPage::IsIncludedPage(CPage* ipPage)
{
	ASSERT(ipPage != NULL);

	POSITION pos = mIncludeList.GetHeadPosition();
	while(pos != NULL)
	{
		CPage* pExist = mIncludeList.GetNext(pos);
		ASSERT(pExist != NULL);
		if(ipPage == pExist)
			return TRUE;
	}
	
    return FALSE;
}

void CPage::GetComment(CString& oComment, int iLine, int iEndLine/*=-1*/)
{
	//是否有相应的注释，以下注释视为属于该标识符：
	//同一行的注释
	//前面行并位于其他标识符后的注释，但空行数为MAX_LINE或以上的则不算
	BOOL found = FALSE;
	const UINT MAX_LINE = 2; 

	POSITION pos = mCommentList.GetHeadPosition();
	POSITION beginPos = pos;
	POSITION endPos = pos;
	while(pos != NULL)
	{
		CToken* pToken = mCommentList.GetNext(pos);

		POSITION currPos = pos;

		TEST_TRACE(pToken);
		TEST_TRACE(pToken->GetLine());

		//找到相应的分隔符
		if(pToken->IsType(TT_UNDEFINED) && pToken->GetLine() == iLine)
		{
			endPos = currPos;
			found = TRUE;
			break;
		}

		if(pToken->IsType(TT_UNDEFINED))
			beginPos = currPos;
	}

	if(found)
	{	
		int line = 0;
		pos = beginPos;
		while(pos != NULL)
		{
			CToken* pToken = mCommentList.GetNext(pos);
			TEST_TRACE(pToken);
			if(pToken->IsType(TT_UNDEFINED))
			{
				if(pos != endPos)
				    continue;
				else
					break;
			}
			
			//间隔超过两行，删除前面读到的注释
			if(line != 0 && pToken->GetLine() - line > MAX_LINE)
				oComment.Empty();

			line = pToken->GetLine();
            pToken->CleanupComment(oComment);
			if(pos == endPos)
				break;
		}
	}
}

void CPage::AddComment(CToken* ipComment) 
{
	ASSERT(ipComment != NULL);
	CToken* pTail = NULL;
	if(!mCommentList.IsEmpty()) pTail = mCommentList.GetTail();

	//最后一个token是分隔符
	if(pTail != NULL && pTail->IsType(TT_UNDEFINED))
	{
		//与分隔符同一行
		if(pTail->GetLine() == ipComment->GetLine())
		{
			//这种情况下只保留由//开始的注释
			//并且插入到分隔符的前面，因为此注释属于
			//分隔符所在行的标识符
			if(ipComment->IsType(TT_SINCOMMENT))
			{
				POSITION pos = mCommentList.GetTailPosition();
				mCommentList.InsertBefore(pos, ipComment);
			}
			else
			{
				delete ipComment;  //忽略多行注释，删除之
			}

			return;
		}
	}

	mCommentList.AddTail(ipComment);
}

void CPage::AddDividing(int iLine)
{
	if(!mCommentList.IsEmpty())
	{	
		CToken* pTail = mCommentList.GetTail();
		if(pTail != NULL && pTail->IsType(TT_UNDEFINED) && 
			pTail->GetLine() == iLine)
		{
			return;
		}
    }

	CToken* pDivinding = new CToken(iLine, 1);
	mCommentList.AddTail(pDivinding);
}