X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d1f6e2cfe2edae646d58e94c6a6b5f010f6439f7..2c6725e622910760652e23b9ff7ea16f76a60436:/src/common/string.cpp?ds=sidebyside

diff --git a/src/common/string.cpp b/src/common/string.cpp
index f9f389cfa2..5d080e9129 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -220,9 +220,16 @@ wxString::~wxString()
 }
 #endif
 
-#if wxUSE_UNICODE
+#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 const char* wxCStrData::AsChar() const
 {
+#if wxUSE_UNICODE_UTF8
+    if ( wxLocaleIsUtf8 )
+        return AsInternal();
+#endif
+    // under non-UTF8 locales, we have to convert the internal UTF-8
+    // representation using wxConvLibc and cache the result
+
     wxString *str = wxConstCast(m_str, wxString);
 
     // convert the string:
@@ -244,7 +251,7 @@ const char* wxCStrData::AsChar() const
     // and keep it:
     return str->m_convertedToChar + m_offset;
 }
-#endif // wxUSE_UNICODE
+#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
 
 #if !wxUSE_UNICODE_WCHAR
 const wchar_t* wxCStrData::AsWChar() const
@@ -306,14 +313,23 @@ wxString::SubstrBufFromMB wxString::ConvertStr(const char *psz, size_t nLength,
 wxString::SubstrBufFromMB wxString::ConvertStr(const char *psz, size_t nLength,
                                                const wxMBConv& conv)
 {
-    // FIXME-UTF8: return as-is without copying under UTF8 locale, return
-    //             converted string under other locales - needs wxCharBuffer
-    //             changes
-
     // anything to do?
     if ( !psz || nLength == 0 )
         return SubstrBufFromMB("", 0);
 
+    // if psz is already in UTF-8, we don't have to do the roundtrip to
+    // wchar_t* and back:
+    if ( conv.IsUTF8() )
+    {
+        // we need to validate the input because UTF8 iterators assume valid
+        // UTF-8 sequence and psz may be invalid:
+        if ( wxStringOperations::IsValidUtf8String(psz, nLength) )
+        {
+            return SubstrBufFromMB(wxCharBuffer::CreateNonOwned(psz), nLength);
+        }
+        // else: do the roundtrip through wchar_t*
+    }
+
     if ( nLength == npos )
         nLength = wxNO_LEN;
 
@@ -324,7 +340,7 @@ wxString::SubstrBufFromMB wxString::ConvertStr(const char *psz, size_t nLength,
         return SubstrBufFromMB("", 0);
 
     // and then to UTF-8:
-    SubstrBufFromMB buf(ConvertStr(wcBuf, wcLen, wxConvUTF8));
+    SubstrBufFromMB buf(ConvertStr(wcBuf, wcLen, wxMBConvUTF8()));
     // widechar -> UTF-8 conversion isn't supposed to ever fail:
     wxASSERT_MSG( buf.data, _T("conversion to UTF-8 failed") );
 
@@ -366,22 +382,23 @@ const wxCharBuffer wxString::mb_str(const wxMBConv& conv) const
 
 const wxWCharBuffer wxString::wc_str() const
 {
-    return wxConvUTF8.cMB2WC(m_impl.c_str(),
-                             m_impl.length() + 1 /* size, not length */,
-                             NULL);
+    return wxMBConvUTF8().cMB2WC(m_impl.c_str(),
+                                 m_impl.length() + 1 /* size, not length */,
+                                 NULL);
 }
 
 const wxCharBuffer wxString::mb_str(const wxMBConv& conv) const
 {
-    // FIXME-UTF8: optimize the case when conv==wxConvUTF8 or wxConvLibc
-    //             under UTF8 locale
+    if ( conv.IsUTF8() )
+        return wxCharBuffer::CreateNonOwned(m_impl.c_str());
+
     // FIXME-UTF8: use wc_str() here once we have buffers with length
 
     size_t wcLen;
     wxWCharBuffer wcBuf(
-            wxConvUTF8.cMB2WC(m_impl.c_str(),
-                              m_impl.length() + 1 /* size, not length */,
-                              &wcLen));
+            wxMBConvUTF8().cMB2WC(m_impl.c_str(),
+                                  m_impl.length() + 1 /* size, not length */,
+                                  &wcLen));
     if ( !wcLen )
         return wxCharBuffer("");
 
@@ -1048,28 +1065,15 @@ wxString wxString::Mid(size_t nFirst, size_t nCount) const
 
 // check that the string starts with prefix and return the rest of the string
 // in the provided pointer if it is not NULL, otherwise return false
-bool wxString::StartsWith(const wxChar *prefix, wxString *rest) const
+bool wxString::StartsWith(const wxString& prefix, wxString *rest) const
 {
-    wxASSERT_MSG( prefix, _T("invalid parameter in wxString::StartsWith") );
-
-    // first check if the beginning of the string matches the prefix: note
-    // that we don't have to check that we don't run out of this string as
-    // when we reach the terminating NUL, either prefix string ends too (and
-    // then it's ok) or we break out of the loop because there is no match
-    const wxChar *p = c_str();
-    while ( *prefix )
-    {
-        if ( *prefix++ != *p++ )
-        {
-            // no match
-            return false;
-        }
-    }
+    if ( compare(0, prefix.length(), prefix) != 0 )
+        return false;
 
     if ( rest )
     {
         // put the rest of the string into provided pointer
-        *rest = p;
+        rest->assign(*this, prefix.length(), npos);
     }
 
     return true;
@@ -1078,11 +1082,9 @@ bool wxString::StartsWith(const wxChar *prefix, wxString *rest) const
 
 // check that the string ends with suffix and return the rest of it in the
 // provided pointer if it is not NULL, otherwise return false
-bool wxString::EndsWith(const wxChar *suffix, wxString *rest) const
+bool wxString::EndsWith(const wxString& suffix, wxString *rest) const
 {
-    wxASSERT_MSG( suffix, _T("invalid parameter in wxString::EndssWith") );
-
-    int start = length() - wxStrlen(suffix);
+    int start = length() - suffix.length();
 
     if ( start < 0 || compare(start, npos, suffix) != 0 )
         return false;
@@ -1450,7 +1452,7 @@ bool wxString::ToDouble(double *val) const
 #if !wxUSE_UTF8_LOCALE_ONLY
 /* static */
 #ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
-wxString wxStringPrintfMixinBase::DoFormat(const wxChar *format, ...)
+wxString wxStringPrintfMixinBase::DoFormatWchar(const wxChar *format, ...)
 #else
 wxString wxString::DoFormatWchar(const wxChar *format, ...)
 #endif