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

diff --git a/include/wx/strconv.h b/include/wx/strconv.h
index a5c89c21970978e1c59cebefe1662d4b0ffe76b9..5d93e872ce33748a9478deb2cb5654976d33a262 100644 (file)
--- a/include/wx/strconv.h
+++ b/include/wx/strconv.h
@@ -41,15 +41,22 @@ class WXDLLIMPEXP_BASE wxMBConv
 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 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); }
@@ -75,8 +82,8 @@ 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
@@ -91,8 +98,8 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConv&) wxConvLibc;
 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;
@@ -104,8 +111,8 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7&) wxConvUTF7;
 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;
+    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 wxMBConvUTF8&) wxConvUTF8;
@@ -117,8 +124,8 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8&) wxConvUTF8;
 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;
 };
 
 // ----------------------------------------------------------------------------
@@ -128,8 +135,8 @@ 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;
 };
 
 // ----------------------------------------------------------------------------
@@ -139,8 +146,8 @@ 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;
 };
 
 // ----------------------------------------------------------------------------
@@ -150,8 +157,8 @@ 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 +180,8 @@ public:
 
     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() ;
 
@@ -188,7 +195,8 @@ private:
     // do create m_convReal (unconditionally)
     wxMBConv *DoCreate() const;
 
-    void SetEncoding();
+    // set the name (may be only called when m_name == NULL), makes copy of
+    // charset string
     void SetName(const wxChar *charset);