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

diff --git a/src/common/strvararg.cpp b/src/common/strvararg.cpp
index 34cac3ca1df68aaa1bf156a015fdd333ad8bc4c4..e71c060b109706a03fd1f260dd36b38c6ce1120f 100644 (file)
--- a/src/common/strvararg.cpp
+++ b/src/common/strvararg.cpp
@@ -25,6 +25,8 @@
 
 #include "wx/strvararg.h"
 #include "wx/string.h"
+#include "wx/crt.h"
+#include "wx/private/wxprintf.h"
 
 // ============================================================================
 // implementation
@@ -45,13 +47,17 @@ const wxStringCharType *wxArgNormalizerNative<const wxCStrData&>::get() const
 }
 
 #if wxUSE_UNICODE_UTF8 && !wxUSE_UTF8_LOCALE_ONLY
-wxArgNormalizerWchar<const wxString&>::wxArgNormalizerWchar(const wxString& s)
-    : wxArgNormalizerWithBuffer<wchar_t>(s.wc_str())
+wxArgNormalizerWchar<const wxString&>::wxArgNormalizerWchar(
+                            const wxString& s,
+                            const wxFormatString *fmt, unsigned index)
+    : wxArgNormalizerWithBuffer<wchar_t>(s.wc_str(), fmt, index)
 {
 }
 
-wxArgNormalizerWchar<const wxCStrData&>::wxArgNormalizerWchar(const wxCStrData& s)
-    : wxArgNormalizerWithBuffer<wchar_t>(s.AsWCharBuf())
+wxArgNormalizerWchar<const wxCStrData&>::wxArgNormalizerWchar(
+                            const wxCStrData& s,
+                            const wxFormatString *fmt, unsigned index)
+    : wxArgNormalizerWithBuffer<wchar_t>(s.AsWCharBuf(), fmt, index)
 {
 }
 #endif // wxUSE_UNICODE_UTF8 && !wxUSE_UTF8_LOCALE_ONLY
@@ -66,14 +72,14 @@ wxString wxArgNormalizedString::GetString() const
         return wxEmptyString;
 
 #if wxUSE_UTF8_LOCALE_ONLY
-    return wxString(wx_reinterpret_cast(const char*, m_ptr));
+    return wxString(reinterpret_cast<const char*>(m_ptr));
 #else
     #if wxUSE_UNICODE_UTF8
         if ( wxLocaleIsUtf8 )
-            return wxString(wx_reinterpret_cast(const char*, m_ptr));
+            return wxString(reinterpret_cast<const char*>(m_ptr));
         else
     #endif
-        return wxString(wx_reinterpret_cast(const wxChar*, m_ptr));
+        return wxString(reinterpret_cast<const wxChar*>(m_ptr));
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 }
 
@@ -127,10 +133,6 @@ wxArgNormalizedString::operator wxString() const
 
    And, of course, the same should be done for %c as well.
 
-   4) Finally, in UTF-8 build when calling ANSI printf() function, we need to
-      translate %c to %s, because not every Unicode character can be
-      represented by a char.
-
 
    wxScanf() family of functions is simpler, because we don't normalize their
    variadic arguments and we only have to handle 2) above and only for widechar
@@ -150,7 +152,7 @@ public:
         m_nCopied = 0;
     }
 
-    wxCharTypeBuffer<CharType> Convert(const CharType *format)
+    wxScopedCharTypeBuffer<CharType> Convert(const CharType *format)
     {
         // this is reset to NULL if we modify the format string
         m_fmtOrig = format;
@@ -261,12 +263,14 @@ public:
         // format
         if ( m_fmtOrig )
         {
-            return wxCharTypeBuffer<CharType>::CreateNonOwned(m_fmtOrig);
+            return wxScopedCharTypeBuffer<CharType>::CreateNonOwned(m_fmtOrig);
         }
         else
         {
-            // NULL-terminate converted format string:
-            *m_fmtLast = 0;
+            // shrink converted format string to actual size (instead of
+            // over-sized allocation from CopyAllBefore()) and NUL-terminate
+            // it:
+            m_fmt.shrink(m_fmtLast - m_fmt.data());
             return m_fmt;
         }
     }
@@ -371,9 +375,7 @@ private:
     size_t m_nCopied;
 };
 
-
-
-#ifdef __WINDOWS
+#ifdef __WINDOWS__
 
 // on Windows, we should use %s and %c regardless of the build:
 class wxPrintfFormatConverterWchar : public wxFormatConverterBase<wchar_t>
@@ -435,9 +437,10 @@ class wxPrintfFormatConverterUtf8 : public wxFormatConverterBase<char>
                             SizeModifier WXUNUSED(size),
                             CharType& outConv, SizeModifier& outSize)
     {
-        // added complication: %c should be translated to %s in UTF-8 build
-        outConv = 's';
-        outSize = Size_Default;
+        // chars are represented using wchar_t in both builds, so this is
+        // the same as above
+        outConv = 'c';
+        outSize = Size_Long;
     }
 };
 #endif // wxUSE_UNICODE_UTF8
@@ -517,7 +520,7 @@ class wxScanfFormatConverterWchar : public wxFormatConverterBase<wchar_t>
     }
 };
 
-const wxWCharBuffer wxScanfConvertFormatW(const wchar_t *format)
+const wxScopedWCharBuffer wxScanfConvertFormatW(const wchar_t *format)
 {
     return wxScanfFormatConverterWchar().Convert(format);
 }
@@ -607,3 +610,65 @@ const wchar_t* wxFormatString::AsWChar()
     return m_convertedWChar.data();
 }
 #endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+
+wxString wxFormatString::InputAsString() const
+{
+    if ( m_str )
+        return *m_str;
+    if ( m_cstr )
+        return m_cstr->AsString();
+    if ( m_wchar )
+        return wxString(m_wchar);
+    if ( m_char )
+        return wxString(m_char);
+
+    wxFAIL_MSG( "invalid wxFormatString - not initialized?" );
+    return wxString();
+}
+
+// ----------------------------------------------------------------------------
+// wxFormatString::GetArgumentType()
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+template<typename CharType>
+wxFormatString::ArgumentType DoGetArgumentType(const CharType *format,
+                                               unsigned n)
+{
+    wxCHECK_MSG( format, wxFormatString::Arg_Other,
+                 "empty format string not allowed here" );
+
+    wxPrintfConvSpecParser<CharType> parser(format);
+
+    wxCHECK_MSG( parser.pspec[n-1] != NULL, wxFormatString::Arg_Other,
+                 "requested argument not found - invalid format string?" );
+
+    switch ( parser.pspec[n-1]->m_type )
+    {
+        case wxPAT_CHAR:
+        case wxPAT_WCHAR:
+            return wxFormatString::Arg_Char;
+
+        default:
+            return wxFormatString::Arg_Other;
+    }
+}
+
+} // anonymous namespace
+
+wxFormatString::ArgumentType wxFormatString::GetArgumentType(unsigned n) const
+{
+    if ( m_char )
+        return DoGetArgumentType(m_char.data(), n);
+    else if ( m_wchar )
+        return DoGetArgumentType(m_wchar.data(), n);
+    else if ( m_str )
+        return DoGetArgumentType(m_str->wx_str(), n);
+    else if ( m_cstr )
+        return DoGetArgumentType(m_cstr->AsInternal(), n);
+
+    wxFAIL_MSG( "unreachable code" );
+    return Arg_Other;
+}