X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/de564874d60233c977c93496da1aa406245c37c2..c13d6ac1ea199d1e3908d40d129e2fd5a4d82df7:/src/common/datstrm.cpp?ds=sidebyside

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index a7bf054ec0..607c542647 100644
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -1,18 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        datstrm.cpp
+// Name:        src/common/datstrm.cpp
 // Purpose:     Data stream classes
 // Author:      Guilhem Lavaux
 // Modified by: Mickael Gilabert
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "datstrm.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -24,35 +20,47 @@
 
 #include "wx/datstrm.h"
 
+#ifndef WX_PRECOMP
+    #include "wx/math.h"
+#endif //WX_PRECOMP
+
 // ---------------------------------------------------------------------------
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 
 #if wxUSE_UNICODE
-wxDataInputStream::wxDataInputStream(wxInputStream& s, wxMBConv& conv)
-  : m_input(&s), m_be_order(FALSE), m_conv(conv)
+wxDataInputStream::wxDataInputStream(wxInputStream& s, const wxMBConv& conv)
+  : m_input(&s), m_be_order(false), m_conv(conv.Clone())
 #else
 wxDataInputStream::wxDataInputStream(wxInputStream& s)
-  : m_input(&s), m_be_order(FALSE)
+  : m_input(&s), m_be_order(false)
 #endif
 {
 }
 
 wxDataInputStream::~wxDataInputStream()
 {
+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE
 }
 
-wxUint64 wxDataInputStream::Read64()
+#if wxUSE_UNICODE
+void wxDataInputStream::SetConv( const wxMBConv &conv )
 {
-  wxUint64 i64;
-
-  m_input->Read(&i64, 8);
+    delete m_conv;
+    m_conv = conv.Clone();
+}
+#endif
 
-  if (m_be_order)
-    return wxUINT64_SWAP_ON_LE(i64);
-  else
-    return wxUINT64_SWAP_ON_BE(i64);
+#if wxHAS_INT64
+wxUint64 wxDataInputStream::Read64()
+{
+  wxUint64 tmp;
+  Read64(&tmp, 1);
+  return tmp;
 }
+#endif // wxHAS_INT64
 
 wxUint32 wxDataInputStream::Read32()
 {
@@ -86,16 +94,13 @@ wxUint8 wxDataInputStream::Read8()
   return (wxUint8)buf;
 }
 
-// Must be at global scope for VC++ 5
-extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
-
 double wxDataInputStream::ReadDouble()
 {
 #if wxUSE_APPLE_IEEE
   char buf[10];
 
   m_input->Read(buf, 10);
-  return ConvertFromIeeeExtended((unsigned char *)buf);
+  return wxConvertFromIeeeExtended((const wxInt8 *)buf);
 #else
   return 0.0;
 #endif
@@ -103,69 +108,239 @@ double wxDataInputStream::ReadDouble()
 
 wxString wxDataInputStream::ReadString()
 {
-  size_t len;
-
-  len = Read32();
+    wxString ret;
 
-  if (len > 0)
-  {
+    const size_t len = Read32();
+    if ( len > 0 )
+    {
 #if wxUSE_UNICODE
-    wxCharBuffer tmp(len + 1);
-    m_input->Read(tmp.data(), len);
-    tmp.data()[len] = '\0';
-    wxString ret(m_conv.cMB2WX(tmp.data()));
+        wxCharBuffer tmp(len + 1);
+        if ( tmp )
+        {
+            m_input->Read(tmp.data(), len);
+            tmp.data()[len] = '\0';
+            ret = m_conv->cMB2WX(tmp.data());
+        }
 #else
-    wxString ret;
-    m_input->Read( wxStringBuffer(ret, len), len);
+        wxStringBuffer buf(ret, len);
+        if ( buf )
+            m_input->Read(buf, len);
 #endif
+    }
+
     return ret;
-  }
-  else
-    return wxEmptyString;
 }
 
-void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+#if wxUSE_LONGLONG
+
+template <class T>
+static
+void DoReadLL(T *buffer, size_t size, wxInputStream *input, bool be_order)
 {
-  m_input->Read(buffer, size * 8);
+    typedef T DataType;
+    unsigned char *pchBuffer = new unsigned char[size * 8];
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    input->Read(pchBuffer, size * 8);
+    size_t idx_base = 0;
+    if ( be_order )
+    {
+        for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
+        {
+            buffer[uiIndex] = 0l;
+            for ( unsigned ui = 0; ui != 8; ++ui )
+            {
+                buffer[uiIndex] = buffer[uiIndex] * 256l +
+                            DataType((unsigned long) pchBuffer[idx_base + ui]);
+            }
+
+            idx_base += 8;
+        }
+    }
+    else // little endian
+    {
+        for ( size_t uiIndex=0; uiIndex!=size; ++uiIndex )
+        {
+            buffer[uiIndex] = 0l;
+            for ( unsigned ui=0; ui!=8; ++ui )
+                buffer[uiIndex] = buffer[uiIndex] * 256l +
+                    DataType((unsigned long) pchBuffer[idx_base + 7 - ui]);
+            idx_base += 8;
+        }
+    }
+    delete[] pchBuffer;
+}
 
-  if (m_be_order)
+template <class T>
+static void DoWriteLL(const T *buffer, size_t size, wxOutputStream *output, bool be_order)
+{
+    typedef T DataType;
+    unsigned char *pchBuffer = new unsigned char[size * 8];
+    size_t idx_base = 0;
+    if ( be_order )
+    {
+        for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
+        {
+            DataType i64 = buffer[uiIndex];
+            for ( unsigned ui = 0; ui != 8; ++ui )
+            {
+                pchBuffer[idx_base + 7 - ui] =
+                    (unsigned char) (i64.GetLo() & 255l);
+                i64 >>= 8l;
+            }
+
+            idx_base += 8;
+        }
+    }
+    else // little endian
+    {
+        for ( size_t uiIndex=0; uiIndex != size; ++uiIndex )
+        {
+            DataType i64 = buffer[uiIndex];
+            for (unsigned ui=0; ui!=8; ++ui)
+            {
+                pchBuffer[idx_base + ui] =
+                    (unsigned char) (i64.GetLo() & 255l);
+                i64 >>= 8l;
+            }
+
+            idx_base += 8;
+        }
+    }
+
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    output->Write(pchBuffer, size * 8);
+    delete[] pchBuffer;
+}
+
+#endif // wxUSE_LONGLONG
+
+#ifdef wxLongLong_t
+
+template <class T>
+static
+void DoReadI64(T *buffer, size_t size, wxInputStream *input, bool be_order)
+{
+    typedef T DataType;
+    unsigned char *pchBuffer = (unsigned char*) buffer;
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    input->Read(pchBuffer, size * 8);
+    if ( be_order )
+    {
+        for ( wxUint32 i = 0; i < size; i++ )
+        {
+            DataType v = wxUINT64_SWAP_ON_LE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+    else // little endian
+    {
+        for ( wxUint32 i=0; i<size; i++ )
+        {
+            DataType v = wxUINT64_SWAP_ON_BE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+}
+
+template <class T>
+static
+void DoWriteI64(const T *buffer, size_t size, wxOutputStream *output, bool be_order)
+{
+  typedef T DataType;
+  if ( be_order )
   {
-    for (wxUint32 i=0; i<size; i++)
+    for ( size_t i = 0; i < size; i++ )
     {
-      wxUint64 v = wxUINT64_SWAP_ON_LE(*buffer);
-      *(buffer++) = v;
+      DataType i64 = wxUINT64_SWAP_ON_LE(*buffer);
+      buffer++;
+      output->Write(&i64, 8);
     }
   }
-  else
+  else // little endian
   {
-    for (wxUint32 i=0; i<size; i++)
+    for ( size_t i=0; i < size; i++ )
     {
-      wxUint64 v = wxUINT64_SWAP_ON_BE(*buffer);
-      *(buffer++) = v;
+      DataType i64 = wxUINT64_SWAP_ON_BE(*buffer);
+      buffer++;
+      output->Write(&i64, 8);
     }
   }
 }
 
+#endif // wxLongLong_t
+
+
+#if wxHAS_INT64
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoReadLL(buffer, size, m_input, m_be_order);
+#else
+    DoReadI64(buffer, size, m_input, m_be_order);
+#endif
+}
+
+void wxDataInputStream::Read64(wxInt64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoReadLL(buffer, size, m_input, m_be_order);
+#else
+    DoReadI64(buffer, size, m_input, m_be_order);
+#endif
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataInputStream::Read64(wxULongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+void wxDataInputStream::Read64(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+#endif // wxLongLong_t
+
+#if wxUSE_LONGLONG
+void wxDataInputStream::ReadLL(wxULongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+void wxDataInputStream::ReadLL(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+wxLongLong wxDataInputStream::ReadLL(void)
+{
+    wxLongLong ll;
+    DoReadLL(&ll, (size_t)1, m_input, m_be_order);
+    return ll;
+}
+#endif // wxUSE_LONGLONG
+
 void wxDataInputStream::Read32(wxUint32 *buffer, size_t size)
 {
-  m_input->Read(buffer, size * 4);
+    m_input->Read(buffer, size * 4);
 
-  if (m_be_order)
-  {
-    for (wxUint32 i=0; i<size; i++)
+    if (m_be_order)
     {
-      wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
-      *(buffer++) = v;
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
+            *(buffer++) = v;
+        }
     }
-  }
-else
-  {
-    for (wxUint32 i=0; i<size; i++)
+    else
     {
-      wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
-      *(buffer++) = v;
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
+            *(buffer++) = v;
+        }
     }
-  }
 }
 
 void wxDataInputStream::Read16(wxUint16 *buffer, size_t size)
@@ -245,12 +420,34 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
+#if wxHAS_INT64
 wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
 {
   i = Read64();
   return *this;
 }
 
+wxDataInputStream& wxDataInputStream::operator>>(wxInt64& i)
+{
+  i = Read64();
+  return *this;
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+wxDataInputStream& wxDataInputStream::operator>>(wxULongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxLongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
+#endif // wxLongLong_t
+
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();
@@ -268,29 +465,41 @@ wxDataInputStream& wxDataInputStream::operator>>(float& f)
 // ---------------------------------------------------------------------------
 
 #if wxUSE_UNICODE
-wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, wxMBConv& conv)
-  : m_output(&s), m_be_order(FALSE), m_conv(conv)
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, const wxMBConv& conv)
+  : m_output(&s), m_be_order(false), m_conv(conv.Clone())
 #else
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
-  : m_output(&s), m_be_order(FALSE)
+  : m_output(&s), m_be_order(false)
 #endif
 {
 }
 
 wxDataOutputStream::~wxDataOutputStream()
 {
+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE
+}
+
+#if wxUSE_UNICODE
+void wxDataOutputStream::SetConv( const wxMBConv &conv )
+{
+    delete m_conv;
+    m_conv = conv.Clone();
 }
+#endif
 
+#if wxHAS_INT64
 void wxDataOutputStream::Write64(wxUint64 i)
 {
-  wxUint64 i64;
+  Write64(&i, 1);
+}
 
-  if (m_be_order)
-    i64 = wxUINT64_SWAP_ON_LE(i);
-  else
-    i64 = wxUINT64_SWAP_ON_BE(i);
-  m_output->Write(&i64, 8);
+void wxDataOutputStream::Write64(wxInt64 i)
+{
+  Write64(&i, 1);
 }
+#endif // wxHAS_INT64
 
 void wxDataOutputStream::Write32(wxUint32 i)
 {
@@ -323,7 +532,7 @@ void wxDataOutputStream::Write8(wxUint8 i)
 void wxDataOutputStream::WriteString(const wxString& string)
 {
 #if wxUSE_UNICODE
-  const wxWX2MBbuf buf = string.mb_str(m_conv);
+  const wxWX2MBbuf buf = string.mb_str(*m_conv);
 #else
   const wxWX2MBbuf buf = string.mb_str();
 #endif
@@ -333,45 +542,79 @@ void wxDataOutputStream::WriteString(const wxString& string)
       m_output->Write(buf, len);
 }
 
-// Must be at global scope for VC++ 5
-extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
-
 void wxDataOutputStream::WriteDouble(double d)
 {
   char buf[10];
 
 #if wxUSE_APPLE_IEEE
-  ConvertToIeeeExtended(d, (unsigned char *)buf);
+  wxConvertToIeeeExtended(d, (wxInt8 *)buf);
+#else
+  wxUnusedVar(d);
+#if !defined(__VMS__) && !defined(__GNUG__)
+#ifdef _MSC_VER
+# pragma message("wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!")
 #else
-#ifndef __VMS__
 # pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+#endif
 #endif
    buf[0] = '\0';
 #endif
   m_output->Write(buf, 10);
 }
 
+#if wxHAS_INT64
 void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)
 {
-  if (m_be_order)
-  {
-    for (wxUint32 i=0; i<size ;i++)
-    {
-      wxUint64 i64 = wxUINT64_SWAP_ON_LE(*buffer);
-      buffer++;
-      m_output->Write(&i64, 8);
-    }
-  }
-  else
-  {
-    for (wxUint32 i=0; i<size ;i++)
-    {
-      wxUint64 i64 = wxUINT64_SWAP_ON_BE(*buffer);
-      buffer++;
-      m_output->Write(&i64, 8);
-    }
-  }
+#ifndef wxLongLong_t
+    DoWriteLL(buffer, size, m_output, m_be_order);
+#else
+    DoWriteI64(buffer, size, m_output, m_be_order);
+#endif
+}
+
+void wxDataOutputStream::Write64(const wxInt64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoWriteLL(buffer, size, m_output, m_be_order);
+#else
+    DoWriteI64(buffer, size, m_output, m_be_order);
+#endif
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataOutputStream::Write64(const wxULongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::Write64(const wxLongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+#endif // wxLongLong_t
+
+#if wxUSE_LONGLONG
+void wxDataOutputStream::WriteLL(const wxULongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::WriteLL(const wxLongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::WriteLL(const wxLongLong &ll)
+{
+    WriteLL(&ll, 1);
+}
+
+void wxDataOutputStream::WriteLL(const wxULongLong &ll)
+{
+    WriteLL(&ll, 1);
 }
+#endif // wxUSE_LONGLONG
 
 void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
 {
@@ -430,13 +673,6 @@ void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
   }
 }
 
-wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
-{
-  Write32(wxStrlen(string));
-  m_output->Write((const char *)string, wxStrlen(string)*sizeof(wxChar));
-  return *this;
-}
-
 wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
 {
   WriteString(string);
@@ -479,12 +715,34 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
+#if wxHAS_INT64
 wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
 {
   Write64(i);
   return *this;
 }
 
+wxDataOutputStream& wxDataOutputStream::operator<<(wxInt64 i)
+{
+  Write64(i);
+  return *this;
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxULongLong &i)
+{
+  WriteLL(i);
+  return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxLongLong &i)
+{
+  WriteLL(i);
+  return *this;
+}
+#endif // wxLongLong_t
+
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);
@@ -499,4 +757,3 @@ wxDataOutputStream& wxDataOutputStream::operator<<(float f)
 
 #endif
   // wxUSE_STREAMS
-