minimize searching for tlw parent, remove useless code

[wxWidgets.git] / src / common / zipstrm.cpp

diff --git a/src/common/zipstrm.cpp b/src/common/zipstrm.cpp
index 83c3cfbeabfe183eeb9bfbcdcf8e5e968ab6126d..70d5651070fc3e83084bc8283d456e0d4bc95969 100644 (file)
--- a/src/common/zipstrm.cpp
+++ b/src/common/zipstrm.cpp
@@ -14,19 +14,20 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_ZLIB && wxUSE_STREAMS && wxUSE_ZIPSTREAM
+#if wxUSE_ZIPSTREAM
+
+#include "wx/zipstrm.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/hashmap.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"
 #endif
 
-#include "wx/zipstrm.h"
 #include "wx/datstrm.h"
 #include "wx/zstream.h"
 #include "wx/mstream.h"
-#include "wx/buffer.h"
 #include "wx/ptr_scpd.h"
 #include "wx/wfstream.h"
 #include "zlib.h"
@@ -156,10 +157,10 @@ wxZipClassFactory::GetProtocols(wxStreamProtocolType type) const
     static const wxChar *empty[]     = { NULL };
 
     switch (type) {
-        case wxSTREAM_PROTOCOL:         return protocols;
-        case wxSTREAM_MIMETYPE:         return mimetypes;
-        case wxSTREAM_FILEEXTENSION:    return fileexts;
-        default:                        return empty;
+        case wxSTREAM_PROTOCOL: return protocols;
+        case wxSTREAM_MIMETYPE: return mimetypes;
+        case wxSTREAM_FILEEXT:  return fileexts;
+        default:                return empty;
     }
 }
 
@@ -204,13 +205,13 @@ wxZipHeader::wxZipHeader(wxInputStream& stream, size_t size)
     m_ok = m_size == size;
 }
 
-wxUint8 wxZipHeader::Read8()
+inline wxUint8 wxZipHeader::Read8()
 {
     wxASSERT(m_pos < m_size);
     return m_data[m_pos++];
 }
 
-wxUint16 wxZipHeader::Read16()
+inline wxUint16 wxZipHeader::Read16()
 {
     wxASSERT(m_pos + 2 <= m_size);
     wxUint16 n = CrackUint16(m_data + m_pos);
@@ -218,7 +219,7 @@ wxUint16 wxZipHeader::Read16()
     return n;
 }
 
-wxUint32 wxZipHeader::Read32()
+inline wxUint32 wxZipHeader::Read32()
 {
     wxASSERT(m_pos + 4 <= m_size);
     wxUint32 n = CrackUint32(m_data + m_pos);
@@ -1003,7 +1004,7 @@ size_t wxZipEntry::ReadLocal(wxInputStream& stream, wxMBConv& conv)
 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));
@@ -1079,12 +1080,12 @@ size_t wxZipEntry::ReadCentral(wxInputStream& stream, wxMBConv& conv)
 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));
@@ -1234,7 +1235,7 @@ wxZipEndRec::wxZipEndRec()
 
 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);
@@ -1373,7 +1374,7 @@ void wxZipInputStream::Init()
     m_signature = 0;
     m_TotalEntries = 0;
     m_lasterror = m_parent_i_stream->GetLastError();
-#if WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
+#if WXWIN_COMPATIBILITY_2_6
     m_allowSeeking = false;
 #endif
 }
@@ -1462,11 +1463,13 @@ bool wxZipInputStream::LoadEndRecord()
     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;
@@ -1476,8 +1479,8 @@ bool wxZipInputStream::LoadEndRecord()
     // 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;
@@ -1882,7 +1885,7 @@ size_t wxZipInputStream::OnSysRead(void *buffer, size_t size)
     return count;
 }
 
-#if WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
+#if WXWIN_COMPATIBILITY_2_6
 
 // Borrowed from VS's zip stream (c) 1999 Vaclav Slavik
 //
@@ -1947,7 +1950,7 @@ wxFileOffset wxZipInputStream::OnSysSeek(wxFileOffset seek, wxSeekMode mode)
     return pos;
 }
 
-#endif // WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
+#endif // WXWIN_COMPATIBILITY_2_6
 
 
 /////////////////////////////////////////////////////////////////////////////
@@ -1987,6 +1990,7 @@ void wxZipOutputStream::Init(int level)
     m_comp = NULL;
     m_level = level;
     m_offsetAdjustment = wxInvalidOffset;
+    m_endrecWritten = false;
 }
 
 wxZipOutputStream::~wxZipOutputStream()
@@ -2286,7 +2290,9 @@ bool wxZipOutputStream::Close()
 {
     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;
     }
@@ -2311,6 +2317,7 @@ bool wxZipOutputStream::Close()
     endrec.Write(*m_parent_o_stream, GetConv());
 
     m_lasterror = m_parent_o_stream->GetLastError();
+    m_endrecWritten = true;
     
     if (!wxFilterOutputStream::Close() || !IsOk())
         return false;
@@ -2421,4 +2428,4 @@ size_t wxZipOutputStream::OnSysWrite(const void *buffer, size_t size)
     return m_comp->LastWrite();
 }
 
-#endif // wxUSE_ZLIB && wxUSE_STREAMS && wxUSE_ZIPSTREAM
+#endif // wxUSE_ZIPSTREAM