X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fae05df5a988883e9c6683ccded766dfb7b84b1b..f7a11f8c8e665992e2d1956b2b89d2f562c92669:/src/common/txtstrm.cpp

diff --git a/src/common/txtstrm.cpp b/src/common/txtstrm.cpp
index 9617ae5e21..100e6ec689 100644
--- a/src/common/txtstrm.cpp
+++ b/src/common/txtstrm.cpp
@@ -1,11 +1,11 @@
-/////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 // Name:        txtstrm.cpp
 // Purpose:     Text stream classes
 // Author:      Guilhem Lavaux
 // Modified by:
 // Created:     28/06/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Guilhem Lavaux 
+// Copyright:   (c) Guilhem Lavaux
 // Licence:   	wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
@@ -23,6 +23,20 @@
 #if wxUSE_STREAMS
 
 #include "wx/txtstrm.h"
+#include <ctype.h>
+
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// Unix: "\n"
+// Dos:  "\r\n"
+// Mac:  "\r"
+
+// ----------------------------------------------------------------------------
+// wxTextInputStream
+// ----------------------------------------------------------------------------
 
 wxTextInputStream::wxTextInputStream(wxInputStream& s)
   : m_input(&s)
@@ -33,208 +47,305 @@ wxTextInputStream::~wxTextInputStream()
 {
 }
 
+wxChar wxTextInputStream::NextNonWhiteSpace()
+{
+    wxChar c = (wxChar) 0;
+    for (;;)
+    {
+        c = m_input->GetC();
+	if (!m_input) return (wxChar) 0;
+	
+	if (c != T('\n') &&
+	    c != T('\r') &&
+	    c != T('\t') &&
+	    c != T(' '))
+	{
+	    return c;
+	}
+    }
+
+    // this shouldn't happen
+    return (wxChar) 0;
+}
+
+void wxTextInputStream::SkipIfEndOfLine( wxChar c )
+{
+    if (c == T('\n'))
+    {
+        // eat on UNIX
+	return;
+    }
+
+    if (c == T('\r'))
+    {
+        // eat on both Mac and DOS
+	
+        wxChar c2 = m_input->GetC();
+        if (!m_input) return;
+	
+        if (c2 == T('\n'))
+        {
+	    // eat on DOS
+	    return;
+	}
+        else
+	{
+	    // Don't eat on Mac
+            m_input->Ungetch( c2 );
+	}
+    }
+    else
+    {
+        // no line terminator
+        m_input->Ungetch( c );
+    }
+}
+
 wxUint32 wxTextInputStream::Read32()
 {
-  /* I only implemented a simple integer parser */
-  int c; 
-  int sign;
-  wxInt32 i;
+    /* I only implemented a simple integer parser */
+    int sign;
+    wxInt32 i;
 
-  while (isspace( c = m_input->GetC() ) )
-     /* Do nothing */ ;
+    int c = NextNonWhiteSpace();
+    if (!m_input) return 0;
 
-  i = 0;
-  if (! (c == '-' || isdigit(c)) ) {
-    m_input->Ungetch(c);
-    return 0;
-  }
+    i = 0;
+    if (! (c == T('-') || c == T('+') || isdigit(c)) )
+    {
+        m_input->Ungetch(c);
+        return 0;
+    }
 
-  if (c == '-') {
-    sign = -1;
-    c = m_input->GetC();
-  } else if (c == '+') {
-    sign = 1;
-    c = m_input->GetC();
-  } else {
-    sign = 1;
-  }
+    if (c == T('-'))
+    {
+        sign = -1;
+        c = m_input->GetC();
+    } else
+    if (c == T('+'))
+    {
+        sign = 1;
+        c = m_input->GetC();
+    } else
+    {
+        sign = 1;
+    }
 
-  while (isdigit(c)) {
-    i = i*10 + (c - (int)'0');
-    c = m_input->GetC();
-  }
+    while (isdigit(c))
+    {
+        i = i*10 + (c - (int)T('0'));
+        c = m_input->GetC();
+    }
 
-  if (c != '\n' && c != '\r')
-    m_input->Ungetch(c);
+    SkipIfEndOfLine( c );
 
-  i *= sign;
+    i *= sign;
 
-  return (wxUint32)i;
+    return (wxUint32)i;
 }
 
 wxUint16 wxTextInputStream::Read16()
 {
-  return (wxUint16)Read32();
+    return (wxUint16)Read32();
 }
 
 wxUint8 wxTextInputStream::Read8()
 {
-  return (wxUint8)Read32();
+    return (wxUint8)Read32();
 }
 
 double wxTextInputStream::ReadDouble()
 {
-  /* I only implemented a simple float parser */
-  double f;
-  int c, sign;
-
-  while (isspace( c = m_input->GetC() ) || c == '\n' || c == '\r')
-     /* Do nothing */ ;
-
-  f = 0.0;
-  if (! (c == '-' || isdigit(c)) ) {
-    m_input->Ungetch(c);
-    return 0.0;
-  }
-
-  if (c == '-') {
-    sign = -1;
-    c = m_input->GetC();
-  } else if (c == '+') {
-    sign = 1;
-    c = m_input->GetC();
-  } else {
-    sign = 1;
-  }
-
-  while (isdigit(c)) {
-    f = f*10 + (c - '0');
-    c = m_input->GetC();
-  }
-
-  if (c == '.') {
-    double f_multiplicator = (double) 0.1;
-
-    c = m_input->GetC();
-
-    while (isdigit(c)) {
-      f += (c-'0')*f_multiplicator;
-      f_multiplicator /= 10;
-      c = m_input->GetC();
+    /* I only implemented a simple float parser */
+    double f;
+    int sign;
+
+    int c = NextNonWhiteSpace();
+    if (!m_input) return 0.0;
+
+    f = 0.0;
+    if (! (c == T('.') || c == T('-') || c == T('+') || isdigit(c)) )
+    {
+        m_input->Ungetch(c);
+        return 0.0;
+    }
+
+    if (c == T('-'))
+    {
+        sign = -1;
+        c = m_input->GetC();
+    } else
+    if (c == T('+'))
+    {
+        sign = 1;
+        c = m_input->GetC();
+    }
+    else
+    {
+        sign = 1;
+    }
+
+    while (isdigit(c))
+    {
+        f = f*10 + (c - T('0'));
+        c = m_input->GetC();
     }
 
-    if (c == 'e') {
-      double f_multiplicator = 0.0;
-      int i, e;
+    if (c == T('.'))
+    {
+        double f_multiplicator = (double) 0.1;
+
+        c = m_input->GetC();
 
-      c = m_input->GetC();
+        while (isdigit(c))
+	{
+            f += (c-T('0'))*f_multiplicator;
+            f_multiplicator /= 10;
+            c = m_input->GetC();
+        }
 
-      switch(c) {
-      case '-':
-        f_multiplicator = 0.1;
-        break;
-      case '+':
-        f_multiplicator = 10.0;
-        break;
-      }
+        if (c == T('e'))
+	{
+            double f_multiplicator = 0.0;
+            int i, e;
 
-      e = Read8();
+            c = m_input->GetC();
 
-      for (i=0;i<e;i++)
-        f *= f_multiplicator;
-    } else if (c != '\n' && c != '\r')
-      m_input->Ungetch(c);
- 
-  }
+            switch (c)
+	    {
+                case T('-'): f_multiplicator = 0.1;  break;
+		case T('+'): f_multiplicator = 10.0; break;
+	    }
 
-  f *= sign;
+            e = Read8();  // why only max 256 ?
 
-  return f;
+            for (i=0;i<e;i++)
+                f *= f_multiplicator;
+        }
+	else
+	    SkipIfEndOfLine( c );
+    }
+    else
+    {
+        m_input->Ungetch(c);
+    }
+
+    f *= sign;
+
+    return f;
 }
 
 wxString wxTextInputStream::ReadString()
 {
-  char c, last_endl = 0;
-  bool end_line = FALSE;
-  wxString line;
-
-  while (!end_line) {
-    c = m_input->GetC();
-    if (m_input->LastError() != wxStream_NOERROR)
-      break;
-
-    switch (c) {
-    case '\n':
-      end_line = TRUE;
-      break;
-    case '\r':
-      last_endl = '\r';
-      break;
-    default:
-      if (last_endl == '\r') {
-        end_line = TRUE;
-        m_input->Ungetch(c);
-        break;
-      }
-      line += c;
-      break;
-    } 
-  }
-  return line;
-}
-  
+    wxChar c;
+    wxString line;
+
+    for (;;)
+    {
+        c = m_input->GetC();
+        if (!m_input) break;
+	
+        if (c == T('\n'))
+        {
+	    // eat on UNIX
+	    break;
+	}
+	
+        if (c == T('\r'))
+        {
+            // eat on both Mac and DOS
+	
+            wxChar c2 = m_input->GetC();
+	    if (!m_input) break;
+	
+	    if (c2 == T('\n'))
+            {
+	        // eat on DOS
+		break;
+	    }
+            else
+	    {
+	        // Don't eat on Mac
+                m_input->Ungetch( c2 );
+		break;
+	    }
+        }
+	
+        line += c;
+    }
+
+    return line;
+}
+
 wxTextInputStream& wxTextInputStream::operator>>(wxString& line)
 {
   line = ReadString();
   return *this;
 }
 
-wxTextInputStream& wxTextInputStream::operator>>(wxInt8& c)
+wxTextInputStream& wxTextInputStream::operator>>(wxChar& c)
 {
-  c = (wxInt8)Read8();
-  return *this;
+    wxChar c1 = m_input->GetC();
+    if (!m_input)
+    {
+        c = (wxChar) 0;
+        return *this;
+    }
+
+    if (c1 == T('\r'))
+    {
+        c = T('\n');
+        wxChar c2 = m_input->GetC();
+	if (!m_input) return *this;
+	
+	if (c2 != T('\n'))
+	{
+	    // we are on a Mac
+            m_input->Ungetch( c2 );
+	}
+    }
+    else
+    {
+        c = c1;
+    }
+
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(wxInt16& i)
 {
-  i = (wxInt16)Read16();
-  return *this;
+    i = (wxInt16)Read16();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(wxInt32& i)
 {
-  i = (wxInt32)Read32();
-  return *this;
-}
-
-wxTextInputStream& wxTextInputStream::operator>>(wxUint8& c)
-{
-  c = Read8();
-  return *this;
+    i = (wxInt32)Read32();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(wxUint16& i)
 {
-  i = Read16();
-  return *this;
+    i = Read16();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(wxUint32& i)
 {
-  i = Read32();
-  return *this;
+    i = Read32();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(double& i)
 {
-  i = ReadDouble();
-  return *this;
+    i = ReadDouble();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(float& f)
 {
-  f = (float)ReadDouble();
-  return *this;
+    f = (float)ReadDouble();
+    return *this;
 }
 
 wxTextOutputStream::wxTextOutputStream(wxOutputStream& s)
@@ -248,104 +359,127 @@ wxTextOutputStream::~wxTextOutputStream()
 
 void wxTextOutputStream::Write32(wxUint32 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(T("%u"), i);
 
-  str.Printf(_T("%u"), i);
-  WriteString(str);
+    WriteString(str);
 }
 
 void wxTextOutputStream::Write16(wxUint16 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(T("%u"), i);
 
-  str.Printf(_T("%u"), i);
-  WriteString(str);
+    WriteString(str);
 }
 
 void wxTextOutputStream::Write8(wxUint8 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(T("%u"), i);
 
-  str.Printf(_T("%u"), i);
-  WriteString(str);
+    WriteString(str);
 }
 
 void wxTextOutputStream::WriteDouble(double d)
 {
-  wxString str;
+    wxString str;
 
-  str.Printf(_T("%f"), d);
-  WriteString(str);
+    str.Printf(T("%f"), d);
+    WriteString(str);
 }
 
 void wxTextOutputStream::WriteString(const wxString& string)
 {
-#if wxUSE_UNICODE
-  const wxWX2MBbuf buf = string.mb_str();
-  m_output->Write(buf, string.Len());
+    for (size_t i = 0; i < string.Len(); i++)
+    {
+        wxChar c = string[i];
+        if (c == T('\n'))
+        {
+#if   defined(__WINDOWS__)
+            c = T('\r');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+            c = T('\n');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+#elif defined(__UNIX__)
+            c = T('\n');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+#elif defined(__WXMAC__)
+            c = T('\r');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+#elif   defined(__OS2__)
+            c = T('\r');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+            c = T('\n');
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
 #else
-  m_output->Write(string, string.Len());
+            #error  "wxTextOutputStream: unsupported platform."
 #endif
+        }
+        else
+        {
+            m_output->Write( (const void*)(&c), sizeof(wxChar) );
+        }
+   }
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(const wxChar *string)
 {
-  WriteString(wxString(string));
-  return *this;
+    WriteString( wxString(string) );
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(const wxString& string)
 {
-  WriteString(string);
-  return *this;
+    WriteString( string );
+    return *this;
 }
 
-wxTextOutputStream& wxTextOutputStream::operator<<(wxInt8 c)
+wxTextOutputStream& wxTextOutputStream::operator<<(wxChar c)
 {
-  Write8((wxUint8)c);
-  return *this;
+    WriteString( wxString(c) );
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt16 c)
 {
-  Write16((wxUint16)c);
-  return *this;
+    Write16( (wxUint16)c );
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt32 c)
 {
-  Write32((wxUint32)c);
-  return *this;
-}
-
-wxTextOutputStream& wxTextOutputStream::operator<<(wxUint8 c)
-{
-  Write8(c);
-  return *this;
+    Write32( (wxUint32)c );
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxUint16 c)
 {
-  Write16(c);
-  return *this;
+    Write16(c);
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxUint32 c)
 {
-  Write32(c);
-  return *this;
+    Write32(c);
+    return *this;
 }
 
 wxTextOutputStream &wxTextOutputStream::operator<<(double f)
 {
-  WriteDouble(f);
-  return *this;
+    WriteDouble(f);
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(float f)
 {
-  WriteDouble((double)f);
-  return *this;
+    WriteDouble((double)f);
+    return *this;
+}
+
+wxTextOutputStream &endl( wxTextOutputStream &stream )
+{
+    return stream << T('\n');
 }
 
 #endif