CZipEnumerator Struct Reference

#include <CZipEnumerator.hpp>

Public Member Functions
	CZipEnumerator ()
bool	initialize (IZip *zip)
bool	reset ()
bool	next_unique (PCWSTR prefix, CStringW &name, bool &folder, unz_file_info64 &info)
bool	next (CStringW &name, unz_file_info64 &info)

Private Attributes
CComPtr< IZip >	m_Zip
bool	m_First
CAtlList< CStringW >	m_Returned
UINT	m_nCodePage

Detailed Description

Definition at line 9 of file CZipEnumerator.hpp.

Constructor & Destructor Documentation

CZipEnumerator()

CZipEnumerator::CZipEnumerator ( )

inline

Definition at line 17 of file CZipEnumerator.hpp.

        : m_First(true)
        , m_nCodePage(GetZipCodePage(TRUE))
    {
    }

Member Function Documentation

initialize()

bool CZipEnumerator::initialize ( IZip *  zip )

inline

Definition at line 23 of file CZipEnumerator.hpp.

    {
        m_Zip = zip;
        return reset();
    }

Referenced by CZipExtract::Extract(), and CEnumZipContents::Initialize().

next()

bool CZipEnumerator::next ( CStringW &  name, unz_file_info64 &  info  )

inline

Definition at line 72 of file CZipEnumerator.hpp.

    {
        int err;
 
        unzFile uf = m_Zip->getZip();
        if (!m_First)
        {
            err = unzGoToNextFile(uf);
            if (err == UNZ_END_OF_LIST_OF_FILE)
            {
                return false;
            }
        }
        m_First = false;
 
        err = unzGetCurrentFileInfo64(uf, &info, NULL, 0, NULL, 0, NULL, 0);
        if (err == UNZ_OK)
        {
            CStringA nameA;
            PSTR buf = nameA.GetBuffer(info.size_filename);
            err = unzGetCurrentFileInfo64(uf, NULL, buf, nameA.GetAllocLength(), NULL, 0, NULL, 0);
            nameA.ReleaseBuffer(info.size_filename);
            nameA.Replace('\\', '/');
 
            if (info.flag & MINIZIP_UTF8_FLAG)
                name = CA2WEX<MAX_PATH>(nameA, CP_UTF8);
            else
                name = CA2WEX<MAX_PATH>(nameA, m_nCodePage);
        }
        return err == UNZ_OK;
    }

Referenced by CZipExtract::Extract().

next_unique()

bool CZipEnumerator::next_unique ( PCWSTR  prefix, CStringW &  name, bool &  folder, unz_file_info64 &  info  )

inline

Definition at line 39 of file CZipEnumerator.hpp.

    {
        size_t len = wcslen(prefix);
        CStringW tmp;
        while (next(tmp, info))
        {
            if (!_wcsnicmp(tmp, prefix, len))
            {
                int pos = tmp.Find(L'/', len);
                if (pos < 0)
                {
                    name = tmp.Mid(len);
                    folder = false;
                }
                else
                {
                    name = tmp.Mid(len, pos - len);
                    folder = true;
                }
                tmp = name;
                tmp.MakeLower();
 
                POSITION it = m_Returned.Find(tmp);
                if (!name.IsEmpty() && !it)
                {
                    m_Returned.AddTail(tmp);
                    return true;
                }
            }
        }
        return false;
    }

Referenced by CEnumZipContents::Next(), and CEnumZipContents::Skip().

reset()

bool CZipEnumerator::reset ( )

inline

Definition at line 29 of file CZipEnumerator.hpp.

    {
        unzFile uf = m_Zip->getZip();
        m_First = true;
        if (unzGoToFirstFile(uf) != UNZ_OK)
            return false;
        m_Returned.RemoveAll();
        return true;
    }

Referenced by initialize(), and CEnumZipContents::Reset().

Member Data Documentation

m_First

bool CZipEnumerator::m_First

private

Definition at line 13 of file CZipEnumerator.hpp.

Referenced by next(), and reset().

m_nCodePage

UINT CZipEnumerator::m_nCodePage

private

Definition at line 15 of file CZipEnumerator.hpp.

Referenced by next().

m_Returned

CAtlList<CStringW> CZipEnumerator::m_Returned

private

Definition at line 14 of file CZipEnumerator.hpp.

Referenced by next_unique(), and reset().

m_Zip

CComPtr<IZip> CZipEnumerator::m_Zip

private

Definition at line 12 of file CZipEnumerator.hpp.

Referenced by initialize(), next(), and reset().

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The documentation for this struct was generated from the following file:

• dll/shellext/zipfldr/CZipEnumerator.hpp