// ----------------------------------------------------------------------------
// default type is the native one
+// the native type under Mac OS X is:
+// - Unix when compiling with the Apple Developer Tools (__UNIX__)
+// - Mac when compiling with CodeWarrior (__WXMAC__)
+
const wxTextFileType wxTextFile::typeDefault =
#if defined(__WINDOWS__)
wxTextFileType_Dos;
wxTextFileType_Unix;
#elif defined(__WXMAC__)
wxTextFileType_Mac;
+#elif defined(__WXPM__)
+ wxTextFileType_Os2;
#else
wxTextFileType_None;
#error "wxTextFile: unsupported platform."
{
switch ( type ) {
default:
- wxFAIL_MSG(_T("bad file type in wxTextFile::GetEOL."));
+ wxFAIL_MSG(wxT("bad file type in wxTextFile::GetEOL."));
// fall through nevertheless - we must return something...
- case wxTextFileType_None: return _T("");
- case wxTextFileType_Unix: return _T("\n");
- case wxTextFileType_Dos: return _T("\r\n");
- case wxTextFileType_Mac: return _T("\r");
+ case wxTextFileType_None: return wxT("");
+ case wxTextFileType_Unix: return wxT("\n");
+ case wxTextFileType_Dos: return wxT("\r\n");
+ case wxTextFileType_Mac: return wxT("\r");
}
}
-
wxString wxTextFile::Translate(const wxString& text, wxTextFileType type)
{
// don't do anything if there is nothing to do
if ( type == wxTextFileType_None )
return text;
+ // GRG: don't do anything either if it is empty
+ if ( text.IsEmpty() )
+ return text;
+
wxString eol = GetEOL(type), result;
// optimization: we know that the length of the new string will be about
{
wxChar ch = *pc;
switch ( ch ) {
- case '\n':
+ case _T('\n'):
// Dos/Unix line termination
result += eol;
- chLast = '\n';
+ chLast = 0;
break;
- case '\r':
- if ( chLast == '\r' ) {
+ case _T('\r'):
+ if ( chLast == _T('\r') ) {
// Mac empty line
result += eol;
}
- else
- chLast = '\r';
+ else {
+ // just remember it: we don't know whether it is just "\r"
+ // or "\r\n" yet
+ chLast = _T('\r');
+ }
break;
default:
- if ( chLast == '\r' ) {
+ if ( chLast == _T('\r') ) {
// Mac line termination
result += eol;
- chLast = ch;
- }
- else {
- // add to the current line
- result += ch;
+
+ // reset chLast to avoid inserting another eol before the
+ // next character
+ chLast = 0;
}
+
+ // add to the current line
+ result += ch;
}
}
+ if ( chLast ) {
+ // trailing '\r'
+ result += eol;
+ }
+
return result;
}
// file operations
// ----------------------------------------------------------------------------
-bool wxTextFile::Open(const wxString& strFile)
+bool wxTextFile::Exists() const
+{
+ return wxFile::Exists(m_strFile);
+}
+
+bool wxTextFile::Create(const wxString& strFile)
{
m_strFile = strFile;
- return Open();
+ return Create();
}
-bool wxTextFile::Open()
+bool wxTextFile::Create()
+{
+ // file name must be either given in ctor or in Create(const wxString&)
+ wxASSERT( !m_strFile.IsEmpty() );
+
+ // if the file already exists do nothing
+ if ( Exists() ) return FALSE;
+
+ if ( m_file.Open(m_strFile, wxFile::write) )
+ {
+ m_file.Close();
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+bool wxTextFile::Open(const wxString& strFile, wxMBConv& conv)
+{
+ m_strFile = strFile;
+
+ return Open(conv);
+}
+
+bool wxTextFile::Open(wxMBConv& conv)
{
// file name must be either given in ctor or in Open(const wxString&)
wxASSERT( !m_strFile.IsEmpty() );
return FALSE;
// read file into memory
- m_isOpened = Read();
+ m_isOpened = Read(conv);
m_file.Close();
// if it fails, it assumes the native type for our platform.
wxTextFileType wxTextFile::GuessType() const
{
- // file should be opened and we must be in it's beginning
- wxASSERT( m_file.IsOpened() && m_file.Tell() == 0 );
+ wxASSERT( IsOpened() );
// scan the file lines
size_t nUnix = 0, // number of '\n's alone
- nDos = 0, // number of '\r\n'
- nMac = 0; // number of '\r's
+ nDos = 0, // number of '\r\n'
+ nMac = 0; // number of '\r's
// we take MAX_LINES_SCAN in the beginning, middle and the end of file
#define MAX_LINES_SCAN (10)
#undef AnalyseLine
// interpret the results (FIXME far from being even 50% fool proof)
- if ( nDos + nUnix + nMac == 0 ) {
+ if ( nScan > 0 && nDos + nUnix + nMac == 0 ) {
// no newlines at all
wxLogWarning(_("'%s' is probably a binary file."), m_strFile.c_str());
}
return typeDefault;
}
-bool wxTextFile::Read()
+bool wxTextFile::Read(wxMBConv& conv)
{
// file should be opened and we must be in it's beginning
wxASSERT( m_file.IsOpened() && m_file.Tell() == 0 );
+#if wxUSE_UNICODE
+ char conv_mbBuf[2];
+ wchar_t conv_wcBuf[2];
+ conv_mbBuf[1] = 0;
+#else
+ (void)conv;
+#endif
+
wxString str;
char ch, chLast = '\0';
char buf[1024];
int n, nRead;
- while ( !m_file.Eof() ) {
+ do {
nRead = m_file.Read(buf, WXSIZEOF(buf));
if ( nRead == wxInvalidOffset ) {
// read error (error message already given in wxFile::Read)
case '\r':
if ( chLast == '\r' ) {
// Mac empty line
- m_aLines.Add("");
+ m_aLines.Add(wxEmptyString);
m_aTypes.Add(wxTextFileType_Mac);
}
else
m_aLines.Add(str);
m_aTypes.Add(wxTextFileType_Mac);
chLast = ch;
+#if wxUSE_UNICODE
+ if (conv.MB2WC(conv_wcBuf, conv_mbBuf, 2) == (size_t)-1)
+ conv_wcBuf[0] = ch;
+ str = conv_wcBuf[0];
+#else
str = ch;
+#endif
}
else {
// add to the current line
+#if wxUSE_UNICODE
+ if (conv.MB2WC(conv_wcBuf, conv_mbBuf, 2) == (size_t)-1)
+ conv_wcBuf[0] = ch;
+ str += conv_wcBuf[0];
+#else
str += ch;
+#endif
}
}
}
- }
+ } while ( nRead == WXSIZEOF(buf) );
// anything in the last line?
if ( !str.IsEmpty() ) {
return TRUE;
}
-bool wxTextFile::Write(wxTextFileType typeNew)
+bool wxTextFile::Write(wxTextFileType typeNew, wxMBConv& conv)
{
wxTempFile fileTmp(m_strFile);
for ( size_t n = 0; n < nCount; n++ ) {
fileTmp.Write(m_aLines[n] +
GetEOL(typeNew == wxTextFileType_None ? m_aTypes[n]
- : typeNew));
+ : typeNew), conv);
}
// replace the old file with this one
projects / wxWidgets.git / blobdiff