zipreader.cpp

Zlib压缩库的COM接口

// ZipReader.cpp : Implementation of CZipReader
#include "stdafx.h"
#include "AaronsZipUtils.h"
#include "ZipReader.h"

/////////////////////////////////////////////////////////////////////////////
// CZipReader


STDMETHODIMP CZipReader::Open(BSTR fileName)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	if (!m_ZipArchive.IsClosed())
		m_ZipArchive.Close();

	CString strFileName(fileName);
	m_ZipArchive.Open(strFileName);
	return S_OK;
}

STDMETHODIMP CZipReader::GetCount(long *count)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	long num = m_ZipArchive.GetNoEntries();
	*count = num;
	return S_OK;
}


STDMETHODIMP CZipReader::GetFileName(long index, BSTR *fileName)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	CFileHeader fh;
	m_ZipArchive.GetFileInfo(fh, (WORD)index);
	*fileName = fh.m_szFileName.AllocSysString();
	return S_OK;
}


STDMETHODIMP CZipReader::GetFileLastModified(long index, BSTR *lastModified)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	CFileHeader fh;
	m_ZipArchive.GetFileInfo(fh, (WORD)index);
	CTime time = fh.GetTime();
	*lastModified = time.Format("%c").AllocSysString();
	return S_OK;
}


STDMETHODIMP CZipReader::GetCompressedSize(long index, long *size)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	CFileHeader fh;
	m_ZipArchive.GetFileInfo(fh, (WORD)index);
	*size = fh.m_uComprSize;
	return S_OK;
}

STDMETHODIMP CZipReader::GetUncompressedSize(long index, long *size)
{
	AFX_MANAGE_STATE(AfxGetStaticModuleState())

	CFileHeader fh;
	m_ZipArchive.GetFileInfo(fh, (WORD)index);
	*size = fh.m_uUncomprSize;
	return S_OK;
}