added (and documented) msw.xp-tab-ok option

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

diff --git a/src/common/txtstrm.cpp b/src/common/txtstrm.cpp
index 8fd6ffaaaf8a28f732760c206d2cb32d9c591079..93bc7ad912bffa5f6f9a810c06db73f89698dd23 100644 (file)
--- a/src/common/txtstrm.cpp
+++ b/src/common/txtstrm.cpp
@@ -6,10 +6,10 @@
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "txtstrm.h"
 #endif
 
 #pragma implementation "txtstrm.h"
 #endif
 


@@ -38,22 +38,69 @@
 // wxTextInputStream
 // ----------------------------------------------------------------------------
 
 // wxTextInputStream
 // ----------------------------------------------------------------------------
 

+#if wxUSE_UNICODE
+wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep, wxMBConv& conv)
+  : m_input(s), m_separators(sep), m_conv(conv)
+{
+    memset((void*)m_lastBytes, 0, 10);
+}
+#else

 wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep)
   : m_input(s), m_separators(sep)
 {
 wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep)
   : m_input(s), m_separators(sep)
 {

+    memset((void*)m_lastBytes, 0, 10);

 }
 }

+#endif

 
 wxTextInputStream::~wxTextInputStream()
 {
 }
 
 
 wxTextInputStream::~wxTextInputStream()
 {
 }
 

+void wxTextInputStream::UngetLast()
+{
+    size_t byteCount = 0;
+    while(m_lastBytes[byteCount]) // pseudo ANSI strlen (even for Unicode!)
+        byteCount++;
+    m_input.Ungetch(m_lastBytes, byteCount);
+    memset((void*)m_lastBytes, 0, 10);
+}
+
+wxChar wxTextInputStream::NextChar()
+{
+#if wxUSE_UNICODE
+    wxChar wbuf[2];
+    memset((void*)m_lastBytes, 0, 10);
+    for(size_t inlen = 0; inlen < 9; inlen++)
+    {
+        // actually read the next character
+        m_lastBytes[inlen] = m_input.GetC();
+
+        if(m_input.LastRead() <= 0)
+            return wxEOT;
+
+        int retlen = (int) m_conv.MB2WC(wbuf, m_lastBytes, 2); // returns -1 for failure
+        if(retlen >= 0) // res == 0 could happen for '\0' char
+            return wbuf[0];
+    }
+    // there should be no encoding which requires more than nine bytes for one character...
+    return wxEOT;
+#else
+    m_lastBytes[0] = m_input.GetC();
+
+    if(m_input.LastRead() <= 0)
+        return wxEOT;
+
+    return m_lastBytes[0];
+#endif
+
+}
+

 wxChar wxTextInputStream::NextNonSeparators()
 {
 wxChar wxTextInputStream::NextNonSeparators()
 {

-    wxChar c = (wxChar) 0;

     for (;;)
     {
     for (;;)
     {

-        if (!m_input) return (wxChar) 0;
-        c = m_input.GetC();
+        wxChar c = NextChar();
+        if (c == wxEOT) return (wxChar) 0;

 
         if (c != wxT('\n') &&
             c != wxT('\r') &&
 
         if (c != wxT('\n') &&
             c != wxT('\r') &&


@@ -65,166 +112,69 @@ wxChar wxTextInputStream::NextNonSeparators()
 
 bool wxTextInputStream::EatEOL(const wxChar &c)
 {
 
 bool wxTextInputStream::EatEOL(const wxChar &c)
 {

-    if (c == wxT('\n')) return TRUE; // eat on UNIX
+    if (c == wxT('\n')) return true; // eat on UNIX

 
     if (c == wxT('\r')) // eat on both Mac and DOS
     {
 
     if (c == wxT('\r')) // eat on both Mac and DOS
     {

-        if (!m_input) return TRUE;
-        wxChar c2 = m_input.GetC();
+        wxChar c2 = NextChar();
+        if(c2 == wxEOT) return true; // end of stream reached, had enough :-)

 
 

-        if (c2 != wxT('\n'))  m_input.Ungetch( c2 ); // Don't eat on Mac
-        return TRUE;
+        if (c2 != wxT('\n')) UngetLast(); // Don't eat on Mac
+        return true;

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 }
 

-void wxTextInputStream::SkipIfEndOfLine( wxChar c )
+wxUint32 wxTextInputStream::Read32(int base)

 {
 {

-    if (EatEOL(c)) return;
-    else m_input.Ungetch( c );  // no line terminator
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
+    if(!m_input) return 0;
+
+    wxString word = ReadWord();
+    if(word.IsEmpty())
+        return 0;
+    return wxStrtoul(word.c_str(), 0, base);

 }
 
 }
 

-wxUint32 wxTextInputStream::Read32()
+wxUint16 wxTextInputStream::Read16(int base)

 {
 {

-    /* I only implemented a simple integer parser */
-    // VZ: what about using strtol()?? (TODO)
+    return (wxUint16)Read32(base);
+}

 
 

-    int sign;
-    wxInt32 i;
+wxUint8 wxTextInputStream::Read8(int base)
+{
+    return (wxUint8)Read32(base);
+}

 
 

-    if (!m_input) return 0;
-    int c = NextNonSeparators();
-    if (c==(wxChar)0) return 0;
+wxInt32 wxTextInputStream::Read32S(int base)
+{
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
+    if(!m_input) return 0;

 
 

-    i = 0;
-    if (! (c == wxT('-') || c == wxT('+') || isdigit(c)) )
-    {
-        m_input.Ungetch(c);
+    wxString word = ReadWord();
+    if(word.IsEmpty())

         return 0;
         return 0;

-    }
-
-    if (c == wxT('-'))
-    {
-        sign = -1;
-        c = m_input.GetC();
-    } else
-    if (c == wxT('+'))
-    {
-        sign = 1;
-        c = m_input.GetC();
-    } else
-    {
-        sign = 1;
-    }
-
-    while (isdigit(c))
-    {
-        i = i*10 + (c - (int)wxT('0'));
-        c = m_input.GetC();
-    }
-
-    SkipIfEndOfLine( c );
-
-    i *= sign;
-
-    return (wxUint32)i;
+    return wxStrtol(word.c_str(), 0, base);

 }
 
 }
 

-wxUint16 wxTextInputStream::Read16()
+wxInt16 wxTextInputStream::Read16S(int base)

 {
 {

-    return (wxUint16)Read32();
+    return (wxInt16)Read32S(base);

 }
 
 }
 

-wxUint8 wxTextInputStream::Read8()
+wxInt8 wxTextInputStream::Read8S(int base)

 {
 {

-    return (wxUint8)Read32();
+    return (wxInt8)Read32S(base);

 }
 
 double wxTextInputStream::ReadDouble()
 {
 }
 
 double wxTextInputStream::ReadDouble()
 {

-    /* I only implemented a simple float parser
-     * VZ: what about using strtod()?? (TODO)
-     */
-
-    double f;
-    int theSign;
-
-    if (!m_input)
+    if(!m_input) return 0;
+    wxString word = ReadWord();
+    if(word.IsEmpty())

         return 0;
         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 == wxT('-'))
-    {
-        theSign = -1;
-        c = m_input.GetC();
-    } else
-    if (c == wxT('+'))
-    {
-        theSign = 1;
-        c = m_input.GetC();
-    }
-    else
-    {
-        theSign = 1;
-    }
-
-    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();
-
-        while (isdigit(c))
-        {
-            f += (c-wxT('0'))*f_multiplicator;
-            f_multiplicator /= 10;
-            c = m_input.GetC();
-        }
-
-        if (c == wxT('e'))
-        {
-            double f_multiplicator = 0.0;
-            int i, e;
-
-            c = m_input.GetC();
-
-            switch (c)
-            {
-                case wxT('-'): f_multiplicator = 0.1;  break;
-                case wxT('+'): f_multiplicator = 10.0; break;
-            }
-
-            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;
+    return wxStrtod(word.c_str(), 0);

 }
 
 wxString wxTextInputStream::ReadString()
 }
 
 wxString wxTextInputStream::ReadString()


@@ -234,13 +184,14 @@ wxString wxTextInputStream::ReadString()
 
 wxString wxTextInputStream::ReadLine()
 {
 
 wxString wxTextInputStream::ReadLine()
 {

-    wxChar c;

     wxString line;
 
     while ( !m_input.Eof() )
     {
     wxString line;
 
     while ( !m_input.Eof() )
     {

-        c = m_input.GetC();
-        
+        wxChar c = NextChar();
+        if(c == wxEOT)
+            break;
+

         if ( !m_input )
             break;
 
         if ( !m_input )
             break;
 


@@ -265,14 +216,13 @@ wxString wxTextInputStream::ReadWord()
         return word;
 
     word += c;
         return word;
 
     word += c;

-    
+

     while ( !m_input.Eof() )
     {
     while ( !m_input.Eof() )
     {

-        c = m_input.GetC();
-        
-        if (!m_input)
+        c = NextChar();
+        if(c == wxEOT)

             break;
             break;

-            
+

         if (m_separators.Contains(c))
             break;
 
         if (m_separators.Contains(c))
             break;
 


@@ -293,13 +243,8 @@ wxTextInputStream& wxTextInputStream::operator>>(wxString& word)
 
 wxTextInputStream& wxTextInputStream::operator>>(char& c)
 {
 
 wxTextInputStream& wxTextInputStream::operator>>(char& c)
 {

-    if (!m_input)
-    {
-        c = 0;
-        return *this;
-    }
-

     c = m_input.GetC();
     c = m_input.GetC();

+    if(m_input.LastRead() <= 0) c = 0;

 
     if (EatEOL(c))
         c = '\n';
 
     if (EatEOL(c))
         c = '\n';


@@ -307,6 +252,17 @@ wxTextInputStream& wxTextInputStream::operator>>(char& c)
     return *this;
 }
 
     return *this;
 }
 

+#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+
+wxTextInputStream& wxTextInputStream::operator>>(wchar_t& wc)
+{
+    wc = GetChar();
+
+    return *this;
+}
+
+#endif // wxUSE_UNICODE
+

 wxTextInputStream& wxTextInputStream::operator>>(wxInt16& i)
 {
     i = (wxInt16)Read16();
 wxTextInputStream& wxTextInputStream::operator>>(wxInt16& i)
 {
     i = (wxInt16)Read16();


@@ -343,15 +299,22 @@ wxTextInputStream& wxTextInputStream::operator>>(float& f)
     return *this;
 }
 
     return *this;
 }
 

+
+
+#if wxUSE_UNICODE
+wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode, wxMBConv& conv)
+  : m_output(s), m_conv(conv)
+#else

 wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode)
   : m_output(s)
 wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode)
   : m_output(s)

+#endif

 {
     m_mode = mode;
     if (m_mode == wxEOL_NATIVE)
     {
 #if defined(__WXMSW__) || defined(__WXPM__)
         m_mode = wxEOL_DOS;
 {
     m_mode = mode;
     if (m_mode == wxEOL_NATIVE)
     {
 #if defined(__WXMSW__) || defined(__WXPM__)
         m_mode = wxEOL_DOS;

-#elif defined(__WXMAC__)
+#elif defined(__WXMAC__) && !defined(__DARWIN__)

         m_mode = wxEOL_MAC;
 #else
         m_mode = wxEOL_UNIX;
         m_mode = wxEOL_MAC;
 #else
         m_mode = wxEOL_UNIX;


@@ -370,7 +333,7 @@ void wxTextOutputStream::SetMode(wxEOL mode)
     {
 #if defined(__WXMSW__) || defined(__WXPM__)
         m_mode = wxEOL_DOS;
     {
 #if defined(__WXMSW__) || defined(__WXPM__)
         m_mode = wxEOL_DOS;

-#elif defined(__WXMAC__)
+#elif defined(__WXMAC__) && !defined(__DARWIN__)

         m_mode = wxEOL_MAC;
 #else
         m_mode = wxEOL_UNIX;
         m_mode = wxEOL_MAC;
 #else
         m_mode = wxEOL_UNIX;


@@ -412,33 +375,56 @@ void wxTextOutputStream::WriteDouble(double d)
 
 void wxTextOutputStream::WriteString(const wxString& string)
 {
 
 void wxTextOutputStream::WriteString(const wxString& string)
 {

-    for (size_t i = 0; i < string.Len(); i++)
+    size_t len = string.length();
+
+    wxString out;
+    out.reserve(len);
+
+    for ( size_t i = 0; i < len; i++ )

     {
     {

-        wxChar c = string[i];
-        if (c == wxT('\n'))
+        const 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)
+            switch ( m_mode )

             {
             {

-                 c = wxT('\r');
-                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
-            } else
-            {
-                 c = wxT('\n');
-                 m_output.Write( (const void*)(&c), sizeof(wxChar) );
+                case wxEOL_DOS:
+                    out << _T("\r\n");
+                    continue;
+
+                case wxEOL_MAC:
+                    out << _T('\r');
+                    continue;
+
+                default:
+                    wxFAIL_MSG( _T("unknown EOL mode in wxTextOutputStream") );
+                    // fall through
+
+                case wxEOL_UNIX:
+                    // don't treat '\n' specially
+                    ;

             }
         }
             }
         }

-        else
-        {
-            m_output.Write( (const void*)(&c), sizeof(wxChar) );
-        }
+
+        out << c;

    }
    }

+
+    // We must not write the trailing NULL here
+#if wxUSE_UNICODE
+    wxCharBuffer buffer = m_conv.cWC2MB( out );
+    m_output.Write( (const char*) buffer, strlen( (const char*) buffer ) );
+#else
+    m_output.Write(out.c_str(), out.length() );
+#endif
+}
+
+wxTextOutputStream& wxTextOutputStream::PutChar(wxChar c)
+{
+#if wxUSE_UNICODE
+    WriteString( wxString(&c, m_conv, 1) );
+#else
+    WriteString( wxString(&c, wxConvLocal, 1) );
+#endif
+    return *this;

 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(const wxChar *string)
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(const wxChar *string)


@@ -455,15 +441,22 @@ wxTextOutputStream& wxTextOutputStream::operator<<(const wxString& string)
 
 wxTextOutputStream& wxTextOutputStream::operator<<(char c)
 {
 
 wxTextOutputStream& wxTextOutputStream::operator<<(char c)
 {

-    // these strange manipulations are needed in Unicode mode
-    char buf[2];
-    buf[0] = c;
-    buf[1] = 0;
+    WriteString( wxString::FromAscii(c) );

 
 

-    WriteString( wxString(buf) );

     return *this;
 }
 
     return *this;
 }
 

+#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+
+wxTextOutputStream& wxTextOutputStream::operator<<(wchar_t wc)
+{
+    WriteString( wxString(&wc, m_conv, 1) );
+
+    return *this;
+}
+
+#endif // wxUSE_UNICODE
+

 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt16 c)
 {
     wxString str;
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt16 c)
 {
     wxString str;


@@ -514,7 +507,7 @@ wxTextOutputStream& wxTextOutputStream::operator<<(float f)
 
 wxTextOutputStream &endl( wxTextOutputStream &stream )
 {
 
 wxTextOutputStream &endl( wxTextOutputStream &stream )
 {

-    return stream << wxT('\n');
+    return stream.PutChar(wxT('\n'));

 }
 
 #endif
 }
 
 #endif