X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..6f34921d9369a31de14e4b07e4824e2d701710f0:/src/common/textfile.cpp diff --git a/src/common/textfile.cpp b/src/common/textfile.cpp index ca7235c4e9..cf3095cd5e 100644 --- a/src/common/textfile.cpp +++ b/src/common/textfile.cpp @@ -2,7 +2,7 @@ // Name: textfile.cpp // Purpose: implementation of wxTextFile class // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 03.04.98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin @@ -36,14 +36,14 @@ // ---------------------------------------------------------------------------- // static variables // ---------------------------------------------------------------------------- - + // default type is the native one const wxTextFile::Type wxTextFile::typeDefault = wxTextFile:: #if defined(__WINDOWS__) Type_Dos; #elif defined(__UNIX__) Type_Unix; -#elif defined(__MAC__) +#elif defined(__WXMAC__) Type_Mac; // if you feel brave, remove the next line #error "wxTextFile: code for Mac files is untested." @@ -101,13 +101,13 @@ wxTextFile::Type wxTextFile::GuessType() const wxASSERT( m_file.IsOpened() && m_file.Tell() == 0 ); // scan the file lines - uint nUnix = 0, // number of '\n's alone + size_t nUnix = 0, // number of '\n's alone 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) - uint nCount = m_aLines.Count() / 3, + size_t nCount = m_aLines.Count() / 3, nScan = nCount > 3*MAX_LINES_SCAN ? MAX_LINES_SCAN : nCount / 3; #define AnalyseLine(n) \ @@ -115,9 +115,10 @@ wxTextFile::Type wxTextFile::GuessType() const case Type_Unix: nUnix++; break; \ case Type_Dos: nDos++; break; \ case Type_Mac: nMac++; break; \ + default: wxFAIL_MSG(_("unknown line terminator")); \ } - uint n; + size_t n; for ( n = 0; n < nScan; n++ ) // the beginning AnalyseLine(n); for ( n = (nCount - nScan)/2; n < (nCount + nScan)/2; n++ ) @@ -130,7 +131,7 @@ wxTextFile::Type wxTextFile::GuessType() const // interpret the results (@@ far from being even 50% fool proof) if ( nDos + nUnix + nMac == 0 ) { // no newlines at all - wxLogWarning("'%s' is probably a binary file.", m_strFile.c_str()); + wxLogWarning(_("'%s' is probably a binary file."), m_strFile.c_str()); } else { #define GREATER_OF(t1, t2) n##t1 == n##t2 ? typeDefault \ @@ -159,10 +160,12 @@ bool wxTextFile::Read() wxString str; char ch, chLast = '\0'; + char buf[1024]; + int n, nRead; while ( !m_file.Eof() ) { - // @@ should really use a buffer for efficiency - if ( m_file.Read(&ch, sizeof(ch)) == ofsInvalid ) { - // read error + nRead = m_file.Read(buf, WXSIZEOF(buf)); + if ( nRead == wxInvalidOffset ) { + // read error (error message already given in wxFile::Read) m_file.Close(); return FALSE; } @@ -171,36 +174,39 @@ bool wxTextFile::Read() #pragma message("wxTextFile::Read() hasn't been tested with Mac files.") #endif - switch ( ch ) { - case '\n': - // Dos/Unix line termination - m_aLines.Add(str); - m_aTypes.Add(chLast == '\r' ? Type_Dos : Type_Unix); - str.Empty(); - chLast = '\n'; - break; - - case '\r': - if ( chLast == '\r' ) { - // Mac empty line - m_aLines.Add(""); - m_aTypes.Add(Type_Mac); - } - else - chLast = '\r'; - break; - - default: - if ( chLast == '\r' ) { - // Mac line termination + for ( n = 0; n < nRead; n++ ) { + ch = buf[n]; + switch ( ch ) { + case '\n': + // Dos/Unix line termination m_aLines.Add(str); - m_aTypes.Add(Type_Mac); - str = ch; - } - else { - // add to the current line - str += ch; - } + m_aTypes.Add(chLast == '\r' ? Type_Dos : Type_Unix); + str.Empty(); + chLast = '\n'; + break; + + case '\r': + if ( chLast == '\r' ) { + // Mac empty line + m_aLines.Add(""); + m_aTypes.Add(Type_Mac); + } + else + chLast = '\r'; + break; + + default: + if ( chLast == '\r' ) { + // Mac line termination + m_aLines.Add(str); + m_aTypes.Add(Type_Mac); + str = ch; + } + else { + // add to the current line + str += ch; + } + } } } @@ -218,16 +224,16 @@ bool wxTextFile::Write(Type typeNew) wxTempFile fileTmp(m_strFile); if ( !fileTmp.IsOpened() ) { - wxLogError("can't write file '%s' to disk.", m_strFile.c_str()); + wxLogError(_("can't write file '%s' to disk."), m_strFile.c_str()); return FALSE; } - uint nCount = m_aLines.Count(); - for ( uint n = 0; n < nCount; n++ ) { - fileTmp.Write(m_aLines[n] + + size_t nCount = m_aLines.Count(); + for ( size_t n = 0; n < nCount; n++ ) { + fileTmp.Write(m_aLines[n] + GetEOL(typeNew == Type_None ? m_aTypes[n] : typeNew)); } // replace the old file with this one return fileTmp.Commit(); -} \ No newline at end of file +}