/////////////////////////////////////////////////////////////////////////////
-// Name: zipstrm.cpp
+// Name: src/common/zipstrm.cpp
// Purpose: Streams for Zip files
// Author: Mike Wetherell
// RCS-ID: $Id$
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_ZIPSTREAM
+
+#include "wx/zipstrm.h"
+
#ifndef WX_PRECOMP
- #include "wx/defs.h"
+ #include "wx/hashmap.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
#endif
-#if wxUSE_ZLIB && wxUSE_STREAMS && wxUSE_ZIPSTREAM
-
-#include "wx/zipstrm.h"
-#include "wx/log.h"
-#include "wx/intl.h"
#include "wx/datstrm.h"
#include "wx/zstream.h"
#include "wx/mstream.h"
-#include "wx/utils.h"
-#include "wx/buffer.h"
#include "wx/ptr_scpd.h"
#include "wx/wfstream.h"
-#include "wx/link.h"
#include "zlib.h"
// value for the 'version needed to extract' field (20 means 2.0)
IMPLEMENT_DYNAMIC_CLASS(wxZipEntry, wxArchiveEntry)
IMPLEMENT_DYNAMIC_CLASS(wxZipClassFactory, wxArchiveClassFactory)
-wxFORCE_LINK_THIS_MODULE(zipstrm)
-
/////////////////////////////////////////////////////////////////////////////
// Helpers
//
static wxString ReadString(wxInputStream& stream, wxUint16 len, wxMBConv& conv)
{
+ if (len == 0)
+ return wxEmptyString;
+
#if wxUSE_UNICODE
wxCharBuffer buf(len);
stream.Read(buf.data(), len);
return (n[3] << 24) | (n[2] << 16) | (n[1] << 8) | n[0];
}
+// Decode a little endian wxUint16 number from a character array
+//
+static inline wxUint16 CrackUint16(const char *m)
+{
+ const unsigned char *n = (const unsigned char*)m;
+ return (n[1] << 8) | n[0];
+}
+
// Temporarily lower the logging level in debug mode to avoid a warning
// from SeekI about seeking on a stream with data written back to it.
//
static wxFileOffset QuietSeek(wxInputStream& stream, wxFileOffset pos)
{
-#ifdef __WXDEBUG__
+#if defined(__WXDEBUG__) && wxUSE_LOG
wxLogLevel level = wxLog::GetLogLevel();
wxLog::SetLogLevel(wxLOG_Debug - 1);
wxFileOffset result = stream.SeekI(pos);
}
+/////////////////////////////////////////////////////////////////////////////
+// Class factory
+
+wxZipClassFactory g_wxZipClassFactory;
+
+wxZipClassFactory::wxZipClassFactory()
+{
+ if (this == &g_wxZipClassFactory)
+ PushFront();
+}
+
+const wxChar * const *
+wxZipClassFactory::GetProtocols(wxStreamProtocolType type) const
+{
+ static const wxChar *protocols[] = { _T("zip"), NULL };
+ static const wxChar *mimetypes[] = { _T("application/zip"), NULL };
+ static const wxChar *fileexts[] = { _T(".zip"), _T(".htb"), NULL };
+ static const wxChar *empty[] = { NULL };
+
+ switch (type) {
+ case wxSTREAM_PROTOCOL: return protocols;
+ case wxSTREAM_MIMETYPE: return mimetypes;
+ case wxSTREAM_FILEEXT: return fileexts;
+ default: return empty;
+ }
+}
+
+
/////////////////////////////////////////////////////////////////////////////
// Read a zip header
m_ok = m_size == size;
}
-wxUint8 wxZipHeader::Read8()
+inline wxUint8 wxZipHeader::Read8()
{
wxASSERT(m_pos < m_size);
- return *wx_reinterpret_cast(wxUint8*, m_data + m_pos++);
+ return m_data[m_pos++];
}
-wxUint16 wxZipHeader::Read16()
+inline wxUint16 wxZipHeader::Read16()
{
wxASSERT(m_pos + 2 <= m_size);
- wxUint16 n = *wx_reinterpret_cast(wxUint16*, m_data + m_pos);
+ wxUint16 n = CrackUint16(m_data + m_pos);
m_pos += 2;
- return wxUINT16_SWAP_ON_BE(n);
+ return n;
}
-wxUint32 wxZipHeader::Read32()
+inline wxUint32 wxZipHeader::Read32()
{
wxASSERT(m_pos + 4 <= m_size);
- wxUint32 n = *wx_reinterpret_cast(wxUint32*, m_data + m_pos);
+ wxUint32 n = CrackUint32(m_data + m_pos);
m_pos += 4;
- return wxUINT32_SWAP_ON_BE(n);
+ return n;
}
// Collection of weak references to entries
WX_DECLARE_HASH_MAP(long, wxZipEntry*, wxIntegerHash,
- wxIntegerEqual, wx__OffsetZipEntryMap);
+ wxIntegerEqual, wxOffsetZipEntryMap_);
class wxZipWeakLinks
{
private:
~wxZipWeakLinks() { wxASSERT(IsEmpty()); }
- typedef wx__OffsetZipEntryMap::key_type key_type;
+ typedef wxOffsetZipEntryMap_::key_type key_type;
int m_ref;
- wx__OffsetZipEntryMap m_entries;
+ wxOffsetZipEntryMap_ m_entries;
wxSUPPRESS_GCC_PRIVATE_DTOR_WARNING(wxZipWeakLinks)
};
wxZipEntry *wxZipWeakLinks::GetEntry(wxFileOffset key) const
{
- wx__OffsetZipEntryMap::const_iterator it =
+ wxOffsetZipEntryMap_::const_iterator it =
m_entries.find(wx_truncate_cast(key_type, key));
return it != m_entries.end() ? it->second : NULL;
}
case wxPATH_DOS:
{
wxString name(isDir ? m_Name + _T("\\") : m_Name);
- for (size_t i = name.length() - 1; i > 0; --i)
+ for (size_t i = 0; i < name.length(); i++)
if (name[i] == _T('/'))
name[i] = _T('\\');
return name;
size_t wxZipEntry::WriteLocal(wxOutputStream& stream, wxMBConv& conv) const
{
wxString unixName = GetName(wxPATH_UNIX);
- const wxWX2MBbuf name_buf = conv.cWX2MB(unixName);
+ const wxWX2MBbuf name_buf = unixName.mb_str(conv);
const char *name = name_buf;
if (!name) name = "";
wxUint16 nameLen = wx_truncate_cast(wxUint16, strlen(name));
size_t wxZipEntry::WriteCentral(wxOutputStream& stream, wxMBConv& conv) const
{
wxString unixName = GetName(wxPATH_UNIX);
- const wxWX2MBbuf name_buf = conv.cWX2MB(unixName);
+ const wxWX2MBbuf name_buf = unixName.mb_str(conv);
const char *name = name_buf;
if (!name) name = "";
wxUint16 nameLen = wx_truncate_cast(wxUint16, strlen(name));
- const wxWX2MBbuf comment_buf = conv.cWX2MB(m_Comment);
+ const wxWX2MBbuf comment_buf = m_Comment.mb_str(conv);
const char *comment = comment_buf;
if (!comment) comment = "";
wxUint16 commentLen = wx_truncate_cast(wxUint16, strlen(comment));
if (m_Crc == SUMS_MAGIC)
{
wxZipHeader buf(stream, 8);
- wxUint32 u1 = buf.GetSize() >= 4 ? buf.Read32() : LOCAL_MAGIC;
+ wxUint32 u1 = buf.GetSize() >= 4 ? buf.Read32() : (wxUint32)LOCAL_MAGIC;
wxUint32 u2 = buf.GetSize() == 8 ? buf.Read32() : 0;
// look for the signature of the following record to decide which
bool wxZipEndRec::Write(wxOutputStream& stream, wxMBConv& conv) const
{
- const wxWX2MBbuf comment_buf = conv.cWX2MB(m_Comment);
+ const wxWX2MBbuf comment_buf = m_Comment.mb_str(conv);
const char *comment = comment_buf;
if (!comment) comment = "";
wxUint16 commentLen = (wxUint16)strlen(comment);
// Input stream
// leave the default wxZipEntryPtr free for users
-wxDECLARE_SCOPED_PTR(wxZipEntry, wx__ZipEntryPtr)
-wxDEFINE_SCOPED_PTR (wxZipEntry, wx__ZipEntryPtr)
+wxDECLARE_SCOPED_PTR(wxZipEntry, wxZipEntryPtr_)
+wxDEFINE_SCOPED_PTR (wxZipEntry, wxZipEntryPtr_)
// constructor
//
Init();
}
-#if 1 //WXWIN_COMPATIBILITY_2_6
+wxZipInputStream::wxZipInputStream(wxInputStream *stream,
+ wxMBConv& conv /*=wxConvLocal*/)
+ : wxArchiveInputStream(stream, conv)
+{
+ Init();
+}
+
+#if WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
// Part of the compatibility constructor, which has been made inline to
// avoid a problem with it not being exported by mingw 3.2.3
wxLogNull nolog;
Init();
m_allowSeeking = true;
- m_ffile = wx_static_cast(wxFFileInputStream*, m_parent_i_stream);
- wx__ZipEntryPtr entry;
+ wxFFileInputStream *ffile;
+ ffile = wx_static_cast(wxFFileInputStream*, m_parent_i_stream);
+ wxZipEntryPtr_ entry;
- if (m_ffile->Ok()) {
+ if (ffile->Ok()) {
do {
entry.reset(GetNextEntry());
}
m_lasterror = wxSTREAM_READ_ERROR;
}
-wxInputStream& wxZipInputStream::OpenFile(const wxString& archive)
+wxInputStream* wxZipInputStream::OpenFile(const wxString& archive)
{
wxLogNull nolog;
- return *new wxFFileInputStream(archive);
+ return new wxFFileInputStream(archive);
}
-#endif // WXWIN_COMPATIBILITY_2_6
+#endif // WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
void wxZipInputStream::Init()
{
m_signature = 0;
m_TotalEntries = 0;
m_lasterror = m_parent_i_stream->GetLastError();
- m_ffile = NULL;
-#if 1 //WXWIN_COMPATIBILITY_2_6
+#if WXWIN_COMPATIBILITY_2_6
m_allowSeeking = false;
#endif
}
delete m_store;
delete m_inflate;
delete m_rawin;
- delete m_ffile;
m_weaklinks->Release(this);
m_TotalEntries = endrec.GetTotalEntries();
m_Comment = endrec.GetComment();
+ wxUint32 magic = m_TotalEntries ? CENTRAL_MAGIC : END_MAGIC;
+
// Now find the central-directory. we have the file offset of
// the CD, so look there first.
if (m_parent_i_stream->SeekI(endrec.GetOffset()) != wxInvalidOffset &&
- ReadSignature() == CENTRAL_MAGIC) {
- m_signature = CENTRAL_MAGIC;
+ ReadSignature() == magic) {
+ m_signature = magic;
m_position = endrec.GetOffset();
m_offsetAdjustment = 0;
return true;
// to a self extractor, so take the CD size (also in endrec), subtract
// it from the file offset of the end-central-directory and look there.
if (m_parent_i_stream->SeekI(endPos - endrec.GetSize())
- != wxInvalidOffset && ReadSignature() == CENTRAL_MAGIC) {
- m_signature = CENTRAL_MAGIC;
+ != wxInvalidOffset && ReadSignature() == magic) {
+ m_signature = magic;
m_position = endPos - endrec.GetSize();
m_offsetAdjustment = m_position - endrec.GetOffset();
return true;
if (!IsOk())
return NULL;
- wx__ZipEntryPtr entry(new wxZipEntry(m_entry));
+ wxZipEntryPtr_ entry(new wxZipEntry(m_entry));
entry->m_backlink = m_weaklinks->AddEntry(entry.get(), entry->GetKey());
return entry.release();
}
return wxSTREAM_EOF;
}
- if (m_signature != LOCAL_MAGIC) {
- wxLogError(_("error reading zip local header"));
- return wxSTREAM_READ_ERROR;
- }
-
- m_headerSize = m_entry.ReadLocal(*m_parent_i_stream, GetConv());
- m_signature = 0;
- m_entry.SetOffset(m_position);
- m_entry.SetKey(m_position);
+ if (m_signature == LOCAL_MAGIC) {
+ m_headerSize = m_entry.ReadLocal(*m_parent_i_stream, GetConv());
+ m_signature = 0;
+ m_entry.SetOffset(m_position);
+ m_entry.SetKey(m_position);
- if (!m_headerSize) {
- return wxSTREAM_READ_ERROR;
- } else {
- m_TotalEntries++;
- return wxSTREAM_NO_ERROR;
+ if (m_headerSize) {
+ m_TotalEntries++;
+ return wxSTREAM_NO_ERROR;
+ }
}
+
+ wxLogError(_("error reading zip local header"));
+ return wxSTREAM_READ_ERROR;
}
wxUint32 wxZipInputStream::ReadSignature()
return count;
}
-#if 1 //WXWIN_COMPATIBILITY_2_6
+#if WXWIN_COMPATIBILITY_2_6
// Borrowed from VS's zip stream (c) 1999 Vaclav Slavik
//
// Output stream
#include "wx/listimpl.cpp"
-WX_DEFINE_LIST(wx__ZipEntryList)
+WX_DEFINE_LIST(wxZipEntryList_)
wxZipOutputStream::wxZipOutputStream(wxOutputStream& stream,
int level /*=-1*/,
wxMBConv& conv /*=wxConvLocal*/)
- : wxArchiveOutputStream(stream, conv),
- m_store(new wxStoredOutputStream(stream)),
- m_deflate(NULL),
- m_backlink(NULL),
- m_initialData(new char[OUTPUT_LATENCY]),
- m_initialSize(0),
- m_pending(NULL),
- m_raw(false),
- m_headerOffset(0),
- m_headerSize(0),
- m_entrySize(0),
- m_comp(NULL),
- m_level(level),
- m_offsetAdjustment(wxInvalidOffset)
+ : wxArchiveOutputStream(stream, conv)
{
+ Init(level);
+}
+
+wxZipOutputStream::wxZipOutputStream(wxOutputStream *stream,
+ int level /*=-1*/,
+ wxMBConv& conv /*=wxConvLocal*/)
+ : wxArchiveOutputStream(stream, conv)
+{
+ Init(level);
+}
+
+void wxZipOutputStream::Init(int level)
+{
+ m_store = new wxStoredOutputStream(*m_parent_o_stream);
+ m_deflate = NULL;
+ m_backlink = NULL;
+ m_initialData = new char[OUTPUT_LATENCY];
+ m_initialSize = 0;
+ m_pending = NULL;
+ m_raw = false;
+ m_headerOffset = 0;
+ m_headerSize = 0;
+ m_entrySize = 0;
+ m_comp = NULL;
+ m_level = level;
+ m_offsetAdjustment = wxInvalidOffset;
+ m_endrecWritten = false;
}
wxZipOutputStream::~wxZipOutputStream()
{
Close();
- WX_CLEAR_LIST(wx__ZipEntryList, m_entries);
+ WX_CLEAR_LIST(wxZipEntryList_, m_entries);
delete m_store;
delete m_deflate;
delete m_pending;
bool wxZipOutputStream::CopyEntry(wxZipEntry *entry,
wxZipInputStream& inputStream)
{
- wx__ZipEntryPtr e(entry);
+ wxZipEntryPtr_ e(entry);
return
inputStream.DoOpen(e.get(), true) &&
void wxZipOutputStream::CreatePendingEntry(const void *buffer, size_t size)
{
wxASSERT(IsOk() && m_pending && !m_comp);
- wx__ZipEntryPtr spPending(m_pending);
+ wxZipEntryPtr_ spPending(m_pending);
m_pending = NULL;
Buffer bufs[] = {
void wxZipOutputStream::CreatePendingEntry()
{
wxASSERT(IsOk() && m_pending && !m_comp);
- wx__ZipEntryPtr spPending(m_pending);
+ wxZipEntryPtr_ spPending(m_pending);
m_pending = NULL;
m_lasterror = wxSTREAM_WRITE_ERROR;
{
CloseEntry();
- if (m_lasterror == wxSTREAM_WRITE_ERROR || m_entries.size() == 0)
+ if (m_lasterror == wxSTREAM_WRITE_ERROR
+ || (m_entries.size() == 0 && m_endrecWritten))
+ {
+ wxFilterOutputStream::Close();
return false;
+ }
wxZipEndRec endrec;
endrec.SetOffset(m_headerOffset);
endrec.SetComment(m_Comment);
- wx__ZipEntryList::iterator it;
+ wxZipEntryList_::iterator it;
wxFileOffset size = 0;
for (it = m_entries.begin(); it != m_entries.end(); ++it) {
endrec.Write(*m_parent_o_stream, GetConv());
m_lasterror = m_parent_o_stream->GetLastError();
- if (!IsOk())
+ m_endrecWritten = true;
+
+ if (!wxFilterOutputStream::Close() || !IsOk())
return false;
m_lasterror = wxSTREAM_EOF;
return true;
return m_comp->LastWrite();
}
-#endif // wxUSE_ZLIB && wxUSE_STREAMS && wxUSE_ZIPSTREAM
+#endif // wxUSE_ZIPSTREAM
projects / wxWidgets.git / blobdiff