implement click events in wxHeaderCtrl

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

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index 54ac2c84894ead9adbf148c4d6aab4e94838d248..64d31ae75075b8e76301ebc5731d2c8fa9bc269c 100644 (file)
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -142,7 +142,7 @@ static wxUint32 wxDecodeSurrogate(const wxDecodeSurrogate_t **pSrc)
 {
     wxUint32 out;
     const size_t
 {
     wxUint32 out;
     const size_t

-        n = decode_utf16(wx_reinterpret_cast(const wxUint16 *, *pSrc), out);
+        n = decode_utf16(reinterpret_cast<const wxUint16 *>(*pSrc), out);

     if ( n == wxCONV_FAILED )
         *pSrc = NULL;
     else
     if ( n == wxCONV_FAILED )
         *pSrc = NULL;
     else


@@ -160,11 +160,15 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
                   const char *src, size_t srcLen) const
 {
     // although new conversion classes are supposed to implement this function
                   const char *src, size_t srcLen) const
 {
     // although new conversion classes are supposed to implement this function

-    // directly, the existins ones only implement the old MB2WC() and so, to
+    // directly, the existing ones only implement the old MB2WC() and so, to

     // avoid to have to rewrite all conversion classes at once, we provide a
     // default (but not efficient) implementation of this one in terms of the
     // old function by copying the input to ensure that it's NUL-terminated and
     // then using MB2WC() to convert it
     // avoid to have to rewrite all conversion classes at once, we provide a
     // default (but not efficient) implementation of this one in terms of the
     // old function by copying the input to ensure that it's NUL-terminated and
     // then using MB2WC() to convert it

+    //
+    // moreover, some conversion classes simply can't implement ToWChar()
+    // directly, the primary example is wxConvLibc: mbstowcs() only handles
+    // NUL-terminated strings

 
     // the number of chars [which would be] written to dst [if it were not NULL]
     size_t dstWritten = 0;
 
     // the number of chars [which would be] written to dst [if it were not NULL]
     size_t dstWritten = 0;


@@ -205,6 +209,21 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
         srcEnd = NULL;
     }
 
         srcEnd = NULL;
     }
 

+    // the idea of this code is straightforward: it converts a NUL-terminated
+    // chunk of the string during each iteration and updates the output buffer
+    // with the result
+    //
+    // all the complication come from the fact that this function, for
+    // historical reasons, must behave in 2 subtly different ways when it's
+    // called with a fixed number of characters and when it's called for the
+    // entire NUL-terminated string: in the former case (srcEnd == NULL) we
+    // must count all characters we convert, NUL or not; but in the latter we
+    // do not count the trailing NUL -- but still count all the NULs inside the
+    // string
+    //
+    // so for the (simple) former case we just always count the trailing NUL,
+    // but for the latter we need to wait until we see if there is going to be
+    // another loop iteration and only count it then

     for ( ;; )
     {
         // try to convert the current chunk
     for ( ;; )
     {
         // try to convert the current chunk


@@ -257,9 +276,19 @@ wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
 
         // note that ">=" (and not just "==") is needed here as the terminator
         // we skipped just above could be inside or just after the buffer
 
         // note that ">=" (and not just "==") is needed here as the terminator
         // we skipped just above could be inside or just after the buffer

-        // delimited by inEnd
+        // delimited by srcEnd

         if ( src >= srcEnd )
             break;
         if ( src >= srcEnd )
             break;

+
+        // if we got here then this wasn't the last chunk in this string and
+        // hence we must count an extra char for L'\0' even when converting a
+        // fixed number of characters
+        if ( srcEnd )
+        {
+            dstWritten++;
+            if ( dst )
+                dst++;
+        }

     }
 
     return dstWritten;
     }
 
     return dstWritten;


@@ -536,14 +565,14 @@ static const unsigned char utf7unb64[] =
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,

-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff

 };
 
 size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
                              const char *src, size_t srcLen) const
 {
     DecoderState stateOrig,
 };
 
 size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
                              const char *src, size_t srcLen) const
 {
     DecoderState stateOrig,

-         *statePtr;
+                *statePtr;

     if ( srcLen == wxNO_LEN )
     {
         // convert the entire string, up to and including the trailing NUL
     if ( srcLen == wxNO_LEN )
     {
         // convert the entire string, up to and including the trailing NUL


@@ -555,7 +584,7 @@ size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
     }
     else // when working with partial strings we do use the shift state
     {
     }
     else // when working with partial strings we do use the shift state
     {

-        statePtr = wx_const_cast(DecoderState *, &m_stateDecoder);
+        statePtr = const_cast<DecoderState *>(&m_stateDecoder);

 
         // also save the old state to be able to rollback to it on error
         stateOrig = m_stateDecoder;
 
         // also save the old state to be able to rollback to it on error
         stateOrig = m_stateDecoder;


@@ -580,7 +609,20 @@ size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
             const unsigned char dc = utf7unb64[cc];
             if ( dc == 0xff )
             {
             const unsigned char dc = utf7unb64[cc];
             if ( dc == 0xff )
             {

-                // end of encoded part
+                // end of encoded part, check that nothing was left: there can
+                // be up to 4 bits of 0 padding but nothing else (we also need
+                // to check isLSB as we count bits modulo 8 while a valid UTF-7
+                // encoded sequence must contain an integral number of UTF-16
+                // characters)
+                if ( state.isLSB || state.bit > 4 ||
+                        (state.accum & ((1 << state.bit) - 1)) )
+                {
+                    if ( !len )
+                        state = stateOrig;
+
+                    return wxCONV_FAILED;
+                }
+

                 state.ToDirect();
 
                 // re-parse this character normally below unless it's '-' which
                 state.ToDirect();
 
                 // re-parse this character normally below unless it's '-' which


@@ -624,9 +666,6 @@ size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
             // start of an encoded segment?
             if ( cc == '+' )
             {
             // start of an encoded segment?
             if ( cc == '+' )
             {

-                if ( src == srcEnd )
-                    return wxCONV_FAILED; // can't have '+' at the end
-

                 if ( *src == '-' )
                 {
                     // just the encoded plus sign, don't switch to shifted mode
                 if ( *src == '-' )
                 {
                     // just the encoded plus sign, don't switch to shifted mode


@@ -635,7 +674,15 @@ size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
                     len++;
                     src++;
                 }
                     len++;
                     src++;
                 }

-                else
+                else if ( utf7unb64[(unsigned)*src] == 0xff )
+                {
+                    // empty encoded chunks are not allowed
+                    if ( !len )
+                        state = stateOrig;
+
+                    return wxCONV_FAILED;
+                }
+                else // base-64 encoded chunk follows

                 {
                     state.ToShifted();
                 }
                 {
                     state.ToShifted();
                 }


@@ -724,7 +771,7 @@ size_t wxMBConvUTF7::FromWChar(char *dst, size_t dstLen,
     else // do use the mode we left the output in previously
     {
         stateOrig = m_stateEncoder;
     else // do use the mode we left the output in previously
     {
         stateOrig = m_stateEncoder;

-        statePtr = wx_const_cast(EncoderState *, &m_stateEncoder);
+        statePtr = const_cast<EncoderState *>(&m_stateEncoder);

     }
 
     EncoderState& state = *statePtr;
     }
 
     EncoderState& state = *statePtr;


@@ -1360,7 +1407,7 @@ size_t wxMBConvUTF16Base::GetLength(const char *src, size_t srcLen)
     if ( srcLen == wxNO_LEN )
     {
         // count the number of bytes in input, including the trailing NULs
     if ( srcLen == wxNO_LEN )
     {
         // count the number of bytes in input, including the trailing NULs

-        const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+        const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);

         for ( srcLen = 1; *inBuff++; srcLen++ )
             ;
 
         for ( srcLen = 1; *inBuff++; srcLen++ )
             ;
 


@@ -1444,7 +1491,7 @@ wxMBConvUTF16swap::ToWChar(wchar_t *dst, size_t dstLen,
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 

-        const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+        const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);

         for ( size_t n = 0; n < srcLen; n++, inBuff++ )
         {
             *dst++ = wxUINT16_SWAP_ALWAYS(*inBuff);
         for ( size_t n = 0; n < srcLen; n++, inBuff++ )
         {
             *dst++ = wxUINT16_SWAP_ALWAYS(*inBuff);


@@ -1468,7 +1515,7 @@ wxMBConvUTF16swap::FromWChar(char *dst, size_t dstLen,
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 

-        wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+        wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);

         for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
         {
             *outBuff++ = wxUINT16_SWAP_ALWAYS(*src);
         for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
         {
             *outBuff++ = wxUINT16_SWAP_ALWAYS(*src);


@@ -1502,7 +1549,7 @@ wxMBConvUTF16straight::ToWChar(wchar_t *dst, size_t dstLen,
     }
 
     size_t outLen = 0;
     }
 
     size_t outLen = 0;

-    const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+    const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);

     for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
     {
         const wxUint32 ch = wxDecodeSurrogate(&inBuff);
     for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
     {
         const wxUint32 ch = wxDecodeSurrogate(&inBuff);


@@ -1527,7 +1574,7 @@ wxMBConvUTF16straight::FromWChar(char *dst, size_t dstLen,
         srcLen = wxWcslen(src) + 1;
 
     size_t outLen = 0;
         srcLen = wxWcslen(src) + 1;
 
     size_t outLen = 0;

-    wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+    wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);

     for ( size_t n = 0; n < srcLen; n++ )
     {
         wxUint16 cc[2];
     for ( size_t n = 0; n < srcLen; n++ )
     {
         wxUint16 cc[2];


@@ -1575,7 +1622,7 @@ wxMBConvUTF16swap::ToWChar(wchar_t *dst, size_t dstLen,
     }
 
     size_t outLen = 0;
     }
 
     size_t outLen = 0;

-    const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+    const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);

     for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
     {
         wxUint32 ch;
     for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
     {
         wxUint32 ch;


@@ -1610,7 +1657,7 @@ wxMBConvUTF16swap::FromWChar(char *dst, size_t dstLen,
         srcLen = wxWcslen(src) + 1;
 
     size_t outLen = 0;
         srcLen = wxWcslen(src) + 1;
 
     size_t outLen = 0;

-    wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+    wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);

     for ( const wchar_t *srcEnd = src + srcLen; src < srcEnd; src++ )
     {
         wxUint16 cc[2];
     for ( const wchar_t *srcEnd = src + srcLen; src < srcEnd; src++ )
     {
         wxUint16 cc[2];


@@ -1661,7 +1708,7 @@ size_t wxMBConvUTF32Base::GetLength(const char *src, size_t srcLen)
     if ( srcLen == wxNO_LEN )
     {
         // count the number of bytes in input, including the trailing NULs
     if ( srcLen == wxNO_LEN )
     {
         // count the number of bytes in input, including the trailing NULs

-        const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+        const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);

         for ( srcLen = 1; *inBuff++; srcLen++ )
             ;
 
         for ( srcLen = 1; *inBuff++; srcLen++ )
             ;
 


@@ -1692,7 +1739,7 @@ wxMBConvUTF32straight::ToWChar(wchar_t *dst, size_t dstLen,
     if ( srcLen == wxNO_LEN )
         return wxCONV_FAILED;
 
     if ( srcLen == wxNO_LEN )
         return wxCONV_FAILED;
 

-    const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+    const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);

     const size_t inLen = srcLen / BYTES_PER_CHAR;
     size_t outLen = 0;
     for ( size_t n = 0; n < inLen; n++ )
     const size_t inLen = srcLen / BYTES_PER_CHAR;
     size_t outLen = 0;
     for ( size_t n = 0; n < inLen; n++ )


@@ -1739,7 +1786,7 @@ wxMBConvUTF32straight::FromWChar(char *dst, size_t dstLen,
         return srcLen * BYTES_PER_CHAR;
     }
 
         return srcLen * BYTES_PER_CHAR;
     }
 

-    wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+    wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);

     size_t outLen = 0;
     for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
     {
     size_t outLen = 0;
     for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
     {


@@ -1770,7 +1817,7 @@ wxMBConvUTF32swap::ToWChar(wchar_t *dst, size_t dstLen,
     if ( srcLen == wxNO_LEN )
         return wxCONV_FAILED;
 
     if ( srcLen == wxNO_LEN )
         return wxCONV_FAILED;
 

-    const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+    const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);

     const size_t inLen = srcLen / BYTES_PER_CHAR;
     size_t outLen = 0;
     for ( size_t n = 0; n < inLen; n++, inBuff++ )
     const size_t inLen = srcLen / BYTES_PER_CHAR;
     size_t outLen = 0;
     for ( size_t n = 0; n < inLen; n++, inBuff++ )


@@ -1817,7 +1864,7 @@ wxMBConvUTF32swap::FromWChar(char *dst, size_t dstLen,
         return srcLen*BYTES_PER_CHAR;
     }
 
         return srcLen*BYTES_PER_CHAR;
     }
 

-    wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+    wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);

     size_t outLen = 0;
     for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
     {
     size_t outLen = 0;
     for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
     {


@@ -1902,7 +1949,7 @@ wxMBConvUTF32swap::ToWChar(wchar_t *dst, size_t dstLen,
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 

-        const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+        const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);

         for ( size_t n = 0; n < srcLen; n++, inBuff++ )
         {
             *dst++ = wxUINT32_SWAP_ALWAYS(*inBuff);
         for ( size_t n = 0; n < srcLen; n++, inBuff++ )
         {
             *dst++ = wxUINT32_SWAP_ALWAYS(*inBuff);


@@ -1926,7 +1973,7 @@ wxMBConvUTF32swap::FromWChar(char *dst, size_t dstLen,
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 
         if ( dstLen < srcLen )
             return wxCONV_FAILED;
 

-        wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+        wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);

         for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
         {
             *outBuff++ = wxUINT32_SWAP_ALWAYS(*src);
         for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
         {
             *outBuff++ = wxUINT32_SWAP_ALWAYS(*src);


@@ -2253,7 +2300,7 @@ wxMBConv_iconv::ToWChar(wchar_t *dst, size_t dstLen,
     else // no destination buffer
     {
         // convert using temp buffer to calculate the size of the buffer needed
     else // no destination buffer
     {
         // convert using temp buffer to calculate the size of the buffer needed

-        wchar_t tbuf[8];
+        wchar_t tbuf[256];

         res = 0;
 
         do
         res = 0;
 
         do


@@ -2300,13 +2347,12 @@ size_t wxMBConv_iconv::FromWChar(char *dst, size_t dstLen,
     if (ms_wcNeedsSwap)
     {
         // need to copy to temp buffer to switch endianness
     if (ms_wcNeedsSwap)
     {
         // need to copy to temp buffer to switch endianness

-        // (doing WC_BSWAP twice on the original buffer won't help, as it
+        // (doing WC_BSWAP twice on the original buffer won't work, as it

         //  could be in read-only memory, or be accessed in some other thread)
         //  could be in read-only memory, or be accessed in some other thread)

-        tmpbuf = (wchar_t *)malloc(inbuflen + SIZEOF_WCHAR_T);
+        tmpbuf = (wchar_t *)malloc(inbuflen);

         for ( size_t i = 0; i < srcLen; i++ )
             tmpbuf[i] = WC_BSWAP(src[i]);
 
         for ( size_t i = 0; i < srcLen; i++ )
             tmpbuf[i] = WC_BSWAP(src[i]);
 

-        tmpbuf[srcLen] = L'\0';

         src = tmpbuf;
     }
 
         src = tmpbuf;
     }
 


@@ -2321,16 +2367,16 @@ size_t wxMBConv_iconv::FromWChar(char *dst, size_t dstLen,
     else // no destination buffer
     {
         // convert using temp buffer to calculate the size of the buffer needed
     else // no destination buffer
     {
         // convert using temp buffer to calculate the size of the buffer needed

-        char tbuf[16];
+        char tbuf[256];

         res = 0;
         do
         {
             dst = tbuf;
         res = 0;
         do
         {
             dst = tbuf;

-            outbuflen = 16;
+            outbuflen = WXSIZEOF(tbuf);

 
             cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &outbuflen);
 
 
             cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &outbuflen);
 

-            res += 16 - outbuflen;
+            res += WXSIZEOF(tbuf) - outbuflen;

         }
         while ((cres == (size_t)-1) && (errno == E2BIG));
     }
         }
         while ((cres == (size_t)-1) && (errno == E2BIG));
     }


@@ -2843,6 +2889,16 @@ wxCSConv::wxCSConv(const wxString& charset)
 
 #if wxUSE_FONTMAP
     m_encoding = wxFontMapperBase::GetEncodingFromName(charset);
 
 #if wxUSE_FONTMAP
     m_encoding = wxFontMapperBase::GetEncodingFromName(charset);

+    if ( m_encoding == wxFONTENCODING_MAX )
+    {
+        // set to unknown/invalid value
+        m_encoding = wxFONTENCODING_SYSTEM;
+    }
+    else if ( m_encoding == wxFONTENCODING_DEFAULT )
+    {
+        // wxFONTENCODING_DEFAULT is same as US-ASCII in this context
+        m_encoding = wxFONTENCODING_ISO8859_1;
+    }

 #else
     m_encoding = wxFONTENCODING_SYSTEM;
 #endif
 #else
     m_encoding = wxFONTENCODING_SYSTEM;
 #endif


@@ -3308,6 +3364,11 @@ wxCharBuffer wxSafeConvertWX2MB(const wchar_t *ws)
 #define WX_DEFINE_GLOBAL_CONV(klass, name, ctor_args) \
     WX_DEFINE_GLOBAL_CONV2(klass, klass, name, ctor_args)
 
 #define WX_DEFINE_GLOBAL_CONV(klass, name, ctor_args) \
     WX_DEFINE_GLOBAL_CONV2(klass, klass, name, ctor_args)
 

+#ifdef __INTELC__
+    // disable warning "variable 'xxx' was declared but never referenced"
+    #pragma warning(disable: 177)
+#endif // Intel C++
+

 #ifdef __WINDOWS__
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
 #else
 #ifdef __WINDOWS__
     WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
 #else