X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b1830dfaba2360646c4ddea51855058e8173d838..748a3af8e74ce74fe143650af0b2da2534c70d45:/src/common/txtstrm.cpp

diff --git a/src/common/txtstrm.cpp b/src/common/txtstrm.cpp
index 4a0695da03..8fd6ffaaaf 100644
--- a/src/common/txtstrm.cpp
+++ b/src/common/txtstrm.cpp
@@ -1,12 +1,12 @@
-/////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 // Name:        txtstrm.cpp
 // Purpose:     Text stream classes
 // Author:      Guilhem Lavaux
 // Modified by:
 // Created:     28/06/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Guilhem Lavaux 
-// Licence:   	wxWindows license
+// Copyright:   (c) Guilhem Lavaux
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -23,9 +23,23 @@
 #if wxUSE_STREAMS
 
 #include "wx/txtstrm.h"
+#include <ctype.h>
 
-wxTextInputStream::wxTextInputStream(wxInputStream& s)
-  : m_input(&s)
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// Unix: "\n"
+// Dos:  "\r\n"
+// Mac:  "\r"
+
+// ----------------------------------------------------------------------------
+// wxTextInputStream
+// ----------------------------------------------------------------------------
+
+wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep)
+  : m_input(s), m_separators(sep)
 {
 }
 
@@ -33,307 +47,474 @@ wxTextInputStream::~wxTextInputStream()
 {
 }
 
+wxChar wxTextInputStream::NextNonSeparators()
+{
+    wxChar c = (wxChar) 0;
+    for (;;)
+    {
+        if (!m_input) return (wxChar) 0;
+        c = m_input.GetC();
+
+        if (c != wxT('\n') &&
+            c != wxT('\r') &&
+            !m_separators.Contains(c))
+          return c;
+    }
+
+}
+
+bool wxTextInputStream::EatEOL(const wxChar &c)
+{
+    if (c == wxT('\n')) return TRUE; // eat on UNIX
+
+    if (c == wxT('\r')) // eat on both Mac and DOS
+    {
+        if (!m_input) return TRUE;
+        wxChar c2 = m_input.GetC();
+
+        if (c2 != wxT('\n'))  m_input.Ungetch( c2 ); // Don't eat on Mac
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+void wxTextInputStream::SkipIfEndOfLine( wxChar c )
+{
+    if (EatEOL(c)) return;
+    else m_input.Ungetch( c );  // no line terminator
+}
+
 wxUint32 wxTextInputStream::Read32()
 {
-  /* I only implemented a simple integer parser */
-  int c; 
-  int sign;
-  wxInt32 i;
+    /* I only implemented a simple integer parser */
+    // VZ: what about using strtol()?? (TODO)
 
-  while (isspace( c = m_input->GetC() ) )
-     /* Do nothing */ ;
+    int sign;
+    wxInt32 i;
 
-  i = 0;
-  if (! (c == '-' || isdigit(c)) ) {
-    m_input->Ungetch(c);
-    return 0;
-  }
+    if (!m_input) return 0;
+    int c = NextNonSeparators();
+    if (c==(wxChar)0) return 0;
 
-  if (c == '-') {
-    sign = -1;
-    c = m_input->GetC();
-  } else if (c == '+') {
-    sign = 1;
-    c = m_input->GetC();
-  } else {
-    sign = 1;
-  }
+    i = 0;
+    if (! (c == wxT('-') || c == wxT('+') || isdigit(c)) )
+    {
+        m_input.Ungetch(c);
+        return 0;
+    }
 
-  while (isdigit(c)) {
-    i = i*10 + (c - (int)'0');
-    c = m_input->GetC();
-  }
+    if (c == wxT('-'))
+    {
+        sign = -1;
+        c = m_input.GetC();
+    } else
+    if (c == wxT('+'))
+    {
+        sign = 1;
+        c = m_input.GetC();
+    } else
+    {
+        sign = 1;
+    }
 
-  if (c != '\n' && c != '\r')
-    m_input->Ungetch(c);
+    while (isdigit(c))
+    {
+        i = i*10 + (c - (int)wxT('0'));
+        c = m_input.GetC();
+    }
 
-  i *= sign;
+    SkipIfEndOfLine( c );
 
-  return (wxUint32)i;
+    i *= sign;
+
+    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
+     * VZ: what about using strtod()?? (TODO)
+     */
+
+    double f;
+    int theSign;
+
+    if (!m_input)
+        return 0;
+
+    int c = NextNonSeparators();
+    if (c==(wxChar)0) return 0;
+
+    f = 0.0;
+    if (! (c == wxT('.') || c == wxT(',') || c == wxT('-') || c == wxT('+') || isdigit(c)) )
+    {
+        m_input.Ungetch(c);
+        return 0;
     }
 
-    if (c == 'e') {
-      double f_multiplicator = 0.0;
-      int i, e;
+    if (c == wxT('-'))
+    {
+        theSign = -1;
+        c = m_input.GetC();
+    } else
+    if (c == wxT('+'))
+    {
+        theSign = 1;
+        c = m_input.GetC();
+    }
+    else
+    {
+        theSign = 1;
+    }
 
-      c = m_input->GetC();
+    while (isdigit(c))
+    {
+        f = f*10 + (c - wxT('0'));
+        c = m_input.GetC();
+    }
+
+    if (c == wxT('.') || c == wxT(','))
+    {
+        double f_multiplicator = (double) 0.1;
+
+        c = m_input.GetC();
 
-      switch(c) {
-      case '-':
-        f_multiplicator = 0.1;
-        break;
-      case '+':
-        f_multiplicator = 10.0;
-        break;
-      }
+        while (isdigit(c))
+        {
+            f += (c-wxT('0'))*f_multiplicator;
+            f_multiplicator /= 10;
+            c = m_input.GetC();
+        }
 
-      e = Read8();
+        if (c == wxT('e'))
+        {
+            double f_multiplicator = 0.0;
+            int i, e;
 
-      for (i=0;i<e;i++)
-        f *= f_multiplicator;
-    } else if (c != '\n' && c != '\r')
-      m_input->Ungetch(c);
- 
-  }
+            c = m_input.GetC();
 
-  f *= sign;
+            switch (c)
+            {
+                case wxT('-'): f_multiplicator = 0.1;  break;
+                case wxT('+'): f_multiplicator = 10.0; break;
+            }
 
-  return f;
+            e = Read8();  // why only max 256 ?
+
+            for (i=0;i<e;i++)
+                f *= f_multiplicator;
+        }
+        else
+            SkipIfEndOfLine( c );
+    }
+    else
+    {
+        m_input.Ungetch(c);
+    }
+
+    f *= theSign;
+    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;
-}
-  
-wxTextInputStream& wxTextInputStream::operator>>(wxString& line)
-{
-  line = ReadString();
-  return *this;
+    return ReadLine();
+}
+
+wxString wxTextInputStream::ReadLine()
+{
+    wxChar c;
+    wxString line;
+
+    while ( !m_input.Eof() )
+    {
+        c = m_input.GetC();
+        
+        if ( !m_input )
+            break;
+
+        if (EatEOL(c))
+            break;
+
+        line += c;
+    }
+
+    return line;
+}
+
+wxString wxTextInputStream::ReadWord()
+{
+    wxString word;
+
+    if ( !m_input )
+        return word;
+
+    wxChar c = NextNonSeparators();
+    if ( !c )
+        return word;
+
+    word += c;
+    
+    while ( !m_input.Eof() )
+    {
+        c = m_input.GetC();
+        
+        if (!m_input)
+            break;
+            
+        if (m_separators.Contains(c))
+            break;
+
+        if (EatEOL(c))
+            break;
+
+        word += c;
+    }
+
+    return word;
+}
+
+wxTextInputStream& wxTextInputStream::operator>>(wxString& word)
+{
+    word = ReadWord();
+    return *this;
 }
 
 wxTextInputStream& wxTextInputStream::operator>>(char& c)
 {
-  m_input->Read(&c, 1);
-  return *this;
+    if (!m_input)
+    {
+        c = 0;
+        return *this;
+    }
+
+    c = m_input.GetC();
+
+    if (EatEOL(c))
+        c = '\n';
+
+    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;
+    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)
-  : m_output(&s)
+wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode)
+  : m_output(s)
 {
+    m_mode = mode;
+    if (m_mode == wxEOL_NATIVE)
+    {
+#if defined(__WXMSW__) || defined(__WXPM__)
+        m_mode = wxEOL_DOS;
+#elif defined(__WXMAC__)
+        m_mode = wxEOL_MAC;
+#else
+        m_mode = wxEOL_UNIX;
+#endif
+    }
 }
 
 wxTextOutputStream::~wxTextOutputStream()
 {
 }
 
+void wxTextOutputStream::SetMode(wxEOL mode)
+{
+    m_mode = mode;
+    if (m_mode == wxEOL_NATIVE)
+    {
+#if defined(__WXMSW__) || defined(__WXPM__)
+        m_mode = wxEOL_DOS;
+#elif defined(__WXMAC__)
+        m_mode = wxEOL_MAC;
+#else
+        m_mode = wxEOL_UNIX;
+#endif
+    }
+}
+
 void wxTextOutputStream::Write32(wxUint32 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(wxT("%u"), i);
 
-  str.Printf(_T("%u"), i);
-  WriteString(str);
+    WriteString(str);
 }
 
 void wxTextOutputStream::Write16(wxUint16 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(wxT("%u"), i);
 
-  str.Printf(_T("%u"), i);
-  WriteString(str);
+    WriteString(str);
 }
 
 void wxTextOutputStream::Write8(wxUint8 i)
 {
-  wxString str;
+    wxString str;
+    str.Printf(wxT("%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(wxT("%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());
-#else
-  m_output->Write(string, string.Len());
-#endif
+    for (size_t i = 0; i < string.Len(); i++)
+    {
+        wxChar c = string[i];
+        if (c == wxT('\n'))
+        {
+            if (m_mode == wxEOL_DOS)
+            {
+                 c = wxT('\r');
+                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
+                 c = wxT('\n');
+                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
+            } else
+            if (m_mode == wxEOL_MAC)
+            {
+                 c = wxT('\r');
+                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
+            } else
+            {
+                 c = wxT('\n');
+                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
+            }
+        }
+        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<<(char c)
 {
-  m_output->Write(&c, 1);
-  return *this;
+    // these strange manipulations are needed in Unicode mode
+    char buf[2];
+    buf[0] = c;
+    buf[1] = 0;
+
+    WriteString( wxString(buf) );
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt16 c)
 {
-  Write16((wxUint16)c);
-  return *this;
+    wxString str;
+    str.Printf(wxT("%d"), (signed int)c);
+    WriteString(str);
+
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt32 c)
 {
-  Write32((wxUint32)c);
-  return *this;
+    wxString str;
+    str.Printf(wxT("%ld"), (signed long)c);
+    WriteString(str);
+
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxUint16 c)
 {
-  Write16(c);
-  return *this;
+    wxString str;
+    str.Printf(wxT("%u"), (unsigned int)c);
+    WriteString(str);
+
+    return *this;
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxUint32 c)
 {
-  Write32(c);
-  return *this;
+    wxString str;
+    str.Printf(wxT("%lu"), (unsigned long)c);
+    WriteString(str);
+
+    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 << wxT('\n');
 }
 
 #endif