Fix for mistake with const for non pointer/reference with corrections in documentation.

[wxWidgets.git] / include / wx / strconv.h

diff --git a/include/wx/strconv.h b/include/wx/strconv.h
index 9248f2cb7e9732214942952047b898296ea22360..d9e89d5e3ca26a5b6b8e1b25516709b06f1d7ac6 100644 (file)
--- a/include/wx/strconv.h
+++ b/include/wx/strconv.h
@@ -12,10 +12,6 @@
 #ifndef _WX_WXSTRCONVH__
 #define _WX_WXSTRCONVH__
 
 #ifndef _WX_WXSTRCONVH__
 #define _WX_WXSTRCONVH__
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-  #pragma interface "strconv.h"
-#endif
-

 #include "wx/defs.h"
 #include "wx/wxchar.h"
 #include "wx/buffer.h"
 #include "wx/defs.h"
 #include "wx/wxchar.h"
 #include "wx/buffer.h"


@@ -41,15 +37,22 @@ class WXDLLIMPEXP_BASE wxMBConv
 public:
     // the actual conversion takes place here
     //
 public:
     // the actual conversion takes place here
     //

-    // note that n is the size of the output buffer, not the length of input
-    // (which is always supposed to be NUL-terminated)
-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const = 0;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const = 0;
+    // note that outputSize is the size of the output buffer, not the length of input
+    // (the latter is always supposed to be NUL-terminated)
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const = 0;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const = 0;

 
     // MB <-> WC
     const wxWCharBuffer cMB2WC(const char *psz) const;
     const wxCharBuffer cWC2MB(const wchar_t *psz) const;
 
 
     // MB <-> WC
     const wxWCharBuffer cMB2WC(const char *psz) const;
     const wxCharBuffer cWC2MB(const wchar_t *psz) const;
 

+    // MB <-> WC for strings with embedded null characters
+    //
+    // pszLen length of the input string
+    // pOutSize gets the final size of the converted string
+    const wxWCharBuffer cMB2WC(const char *psz, size_t pszLen, size_t* pOutSize) const;
+    const wxCharBuffer cWC2MB(const wchar_t *psz, size_t pszLen, size_t* pOutSize) const;
+

     // convenience functions for converting MB or WC to/from wxWin default
 #if wxUSE_UNICODE
     const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
     // convenience functions for converting MB or WC to/from wxWin default
 #if wxUSE_UNICODE
     const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }


@@ -75,14 +78,34 @@ public:
 class WXDLLIMPEXP_BASE wxMBConvLibc : public wxMBConv
 {
 public:
 class WXDLLIMPEXP_BASE wxMBConvLibc : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 };
 

-// not very accurately named because it is not necessarily of type wxMBConvLibc
-// (but the name can't eb changed because of backwards compatibility) default
-// conversion
-WXDLLIMPEXP_DATA_BASE(extern wxMBConv&) wxConvLibc;
+#ifdef __UNIX__
+
+// ----------------------------------------------------------------------------
+// wxConvBrokenFileNames is made for Unix in Unicode mode when
+// files are accidentally written in an encoding which is not
+// the system encoding. Typically, the system encoding will be
+// UTF8 but there might be files stored in ISO8859-1 on disk.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxConvBrokenFileNames : public wxMBConv
+{
+public:
+    wxConvBrokenFileNames(const wxChar *charset);
+    virtual ~wxConvBrokenFileNames() { delete m_conv; }
+
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+
+private:
+    // the conversion object we forward to
+    wxMBConv *m_conv;
+};
+
+#endif

 
 // ----------------------------------------------------------------------------
 // wxMBConvUTF7 (for conversion using UTF7 encoding)
 
 // ----------------------------------------------------------------------------
 // wxMBConvUTF7 (for conversion using UTF7 encoding)


@@ -91,12 +114,10 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConv&) wxConvLibc;
 class WXDLLIMPEXP_BASE wxMBConvUTF7 : public wxMBConv
 {
 public:
 class WXDLLIMPEXP_BASE wxMBConvUTF7 : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 };
 

-WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7&) wxConvUTF7;
-

 // ----------------------------------------------------------------------------
 // wxMBConvUTF8 (for conversion using UTF8 encoding)
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxMBConvUTF8 (for conversion using UTF8 encoding)
 // ----------------------------------------------------------------------------


@@ -104,12 +125,20 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7&) wxConvUTF7;
 class WXDLLIMPEXP_BASE wxMBConvUTF8 : public wxMBConv
 {
 public:
 class WXDLLIMPEXP_BASE wxMBConvUTF8 : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    enum { 
+        MAP_INVALID_UTF8_NOT = 0,
+        MAP_INVALID_UTF8_TO_PUA = 1,
+        MAP_INVALID_UTF8_TO_OCTAL = 2
+    };
+
+    wxMBConvUTF8(int options = MAP_INVALID_UTF8_NOT) : m_options(options) { }
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+    
+private:
+    int m_options;

 };
 
 };
 

-WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8&) wxConvUTF8;
-

 // ----------------------------------------------------------------------------
 // wxMBConvUTF16LE (for conversion using UTF16 Little Endian encoding)
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxMBConvUTF16LE (for conversion using UTF16 Little Endian encoding)
 // ----------------------------------------------------------------------------


@@ -117,8 +146,8 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8&) wxConvUTF8;
 class WXDLLIMPEXP_BASE wxMBConvUTF16LE : public wxMBConv
 {
 public:
 class WXDLLIMPEXP_BASE wxMBConvUTF16LE : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -128,30 +157,30 @@ public:
 class WXDLLIMPEXP_BASE wxMBConvUTF16BE : public wxMBConv
 {
 public:
 class WXDLLIMPEXP_BASE wxMBConvUTF16BE : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------

-// wxMBConvUCS4LE (for conversion using UTF32 Little Endian encoding)
+// wxMBConvUTF32LE (for conversion using UTF32 Little Endian encoding)

 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_BASE wxMBConvUTF32LE : public wxMBConv
 {
 public:
 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_BASE wxMBConvUTF32LE : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------

-// wxMBConvUCS4BE (for conversion using UTF32 Big Endian encoding)
+// wxMBConvUTF32BE (for conversion using UTF32 Big Endian encoding)

 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_BASE wxMBConvUTF32BE : public wxMBConv
 {
 public:
 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_BASE wxMBConvUTF32BE : public wxMBConv
 {
 public:

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -173,8 +202,8 @@ public:
 
     wxCSConv& operator=(const wxCSConv& conv);
 
 
     wxCSConv& operator=(const wxCSConv& conv);
 

-    virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
-    virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+    virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+    virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;

 
     void Clear() ;
 
 
     void Clear() ;
 


@@ -203,10 +232,39 @@ private:
     bool m_deferred;
 };
 
     bool m_deferred;
 };
 

-#define wxConvFile wxConvLocal
-WXDLLIMPEXP_DATA_BASE(extern wxCSConv&) wxConvLocal;
-WXDLLIMPEXP_DATA_BASE(extern wxCSConv&) wxConvISO8859_1;
-WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;
+
+// ----------------------------------------------------------------------------
+// declare predefined conversion objects
+// ----------------------------------------------------------------------------
+
+// conversion to be used with all standard functions affected by locale, e.g.
+// strtol(), strftime(), ...
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv&) wxConvLibc;
+
+// conversion ISO-8859-1/UTF-7/UTF-8 <-> wchar_t
+extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvISO8859_1;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF7&) wxConvUTF7;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF8&) wxConvUTF8;
+
+// conversion used for the file names on the systems where they're not Unicode
+// (basically anything except Windows)
+//
+// this is used by all file functions, can be changed by the application
+//
+// by default UTF-8 under Mac OS X and wxConvLibc elsewhere (but it's not used
+// under Windows normally)
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName;
+
+// backwards compatible define
+#define wxConvFile (*wxConvFileName)
+
+// the current conversion object, may be set to any conversion, is used by
+// default in a couple of places inside wx (initially same as wxConvLibc)
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent;
+
+// ???
+extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvLocal;
+

 
 // ----------------------------------------------------------------------------
 // endianness-dependent conversions
 
 // ----------------------------------------------------------------------------
 // endianness-dependent conversions


@@ -232,15 +290,18 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;
 #endif
 
 #if wxMBFILES && wxUSE_UNICODE
 #endif
 
 #if wxMBFILES && wxUSE_UNICODE

-    #define wxFNCONV(name) wxConvFile.cWX2MB(name)
+    #define wxFNCONV(name) wxConvFileName->cWX2MB(name)

     #define wxFNSTRINGCAST wxMBSTRINGCAST
     #define wxFNSTRINGCAST wxMBSTRINGCAST

+#else
+#if defined( __WXOSX__ ) && wxMBFILES
+    #define wxFNCONV(name) wxConvFileName->cWC2MB( wxConvLocal.cWX2WC(name) )

 #else
     #define wxFNCONV(name) name
 #else
     #define wxFNCONV(name) name

+#endif

     #define wxFNSTRINGCAST WXSTRINGCAST
 #endif
 
     #define wxFNSTRINGCAST WXSTRINGCAST
 #endif
 

-#else
-  // !wxUSE_WCHAR_T
+#else // !wxUSE_WCHAR_T

 
 // ----------------------------------------------------------------------------
 // stand-ins in absence of wchar_t
 
 // ----------------------------------------------------------------------------
 // stand-ins in absence of wchar_t


@@ -255,11 +316,11 @@ public:
 
 #define wxConvFile wxConvLocal
 
 
 #define wxConvFile wxConvLocal
 

-WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc,
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,

                                        wxConvLocal,
                                        wxConvISO8859_1,
                                        wxConvUTF8;
                                        wxConvLocal,
                                        wxConvISO8859_1,
                                        wxConvUTF8;

-WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent;

 
 #define wxFNCONV(name) name
 #define wxFNSTRINGCAST WXSTRINGCAST
 
 #define wxFNCONV(name) name
 #define wxFNSTRINGCAST WXSTRINGCAST