X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7502ba2975bfd348dc50fef2a978e91f543d6bfe..c17bcb844883451b564446bf7843e7b3f862fe48:/src/common/textfile.cpp diff --git a/src/common/textfile.cpp b/src/common/textfile.cpp index 678ddcc688..d45a4cc498 100644 --- a/src/common/textfile.cpp +++ b/src/common/textfile.cpp @@ -23,6 +23,12 @@ #pragma hdrstop #endif //__BORLANDC__ +#ifndef WX_PRECOMP +#include "wx/defs.h" +#endif + +#if wxUSE_TEXTFILE && wxUSE_FILE + #include #include #include @@ -38,17 +44,15 @@ // ---------------------------------------------------------------------------- // default type is the native one -const wxTextFile::Type wxTextFile::typeDefault = wxTextFile:: -#if defined(__WXMSW__) - Type_Dos; +const wxTextFileType wxTextFile::typeDefault = +#if defined(__WINDOWS__) + wxTextFileType_Dos; #elif defined(__UNIX__) - Type_Unix; -#elif defined(__MAC__) - Type_Mac; - // if you feel brave, remove the next line - #error "wxTextFile: code for Mac files is untested." + wxTextFileType_Unix; +#elif defined(__WXMAC__) + wxTextFileType_Mac; #else - Type_None; + wxTextFileType_None; #error "wxTextFile: unsupported platform." #endif @@ -73,6 +77,7 @@ wxTextFile::~wxTextFile() bool wxTextFile::Open(const wxString& strFile) { m_strFile = strFile; + return Open(); } @@ -95,30 +100,30 @@ bool wxTextFile::Open() // analyse some lines of the file trying to guess it's type. // if it fails, it assumes the native type for our platform. -wxTextFile::Type wxTextFile::GuessType() const +wxTextFileType wxTextFile::GuessType() const { // file should be opened and we must be in it's beginning 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) \ switch ( m_aTypes[n] ) { \ - case Type_Unix: nUnix++; break; \ - case Type_Dos: nDos++; break; \ - case Type_Mac: nMac++; break; \ - default: wxFAIL_MSG("unknown line terminator"); \ + case wxTextFileType_Unix: nUnix++; break; \ + case wxTextFileType_Dos: nDos++; break; \ + case wxTextFileType_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++ ) @@ -135,17 +140,21 @@ wxTextFile::Type wxTextFile::GuessType() const } else { #define GREATER_OF(t1, t2) n##t1 == n##t2 ? typeDefault \ - : n##t1 > n##t2 ? Type_##t1 \ - : Type_##t2 + : n##t1 > n##t2 \ + ? wxTextFileType_##t1 \ + : wxTextFileType_##t2 + // Watcom C++ doesn't seem to be able to handle the macro +#if !defined(__WATCOMC__) if ( nDos > nUnix ) return GREATER_OF(Dos, Mac); else if ( nDos < nUnix ) return GREATER_OF(Unix, Mac); else { // nDos == nUnix - return nMac > nDos ? Type_Mac : typeDefault; + return nMac > nDos ? wxTextFileType_Mac : typeDefault; } +#endif // __WATCOMC__ #undef GREATER_OF } @@ -164,23 +173,20 @@ bool wxTextFile::Read() int n, nRead; while ( !m_file.Eof() ) { nRead = m_file.Read(buf, WXSIZEOF(buf)); - if ( nRead == ofsInvalid ) { + if ( nRead == wxInvalidOffset ) { // read error (error message already given in wxFile::Read) m_file.Close(); return FALSE; } - #ifdef __MAC__ - #pragma message("wxTextFile::Read() hasn't been tested with Mac files.") - #endif - for ( n = 0; n < nRead; n++ ) { ch = buf[n]; switch ( ch ) { case '\n': // Dos/Unix line termination m_aLines.Add(str); - m_aTypes.Add(chLast == '\r' ? Type_Dos : Type_Unix); + m_aTypes.Add(chLast == '\r' ? wxTextFileType_Dos + : wxTextFileType_Unix); str.Empty(); chLast = '\n'; break; @@ -189,7 +195,7 @@ bool wxTextFile::Read() if ( chLast == '\r' ) { // Mac empty line m_aLines.Add(""); - m_aTypes.Add(Type_Mac); + m_aTypes.Add(wxTextFileType_Mac); } else chLast = '\r'; @@ -199,7 +205,8 @@ bool wxTextFile::Read() if ( chLast == '\r' ) { // Mac line termination m_aLines.Add(str); - m_aTypes.Add(Type_Mac); + m_aTypes.Add(wxTextFileType_Mac); + chLast = ch; str = ch; } else { @@ -212,14 +219,23 @@ bool wxTextFile::Read() // anything in the last line? if ( !str.IsEmpty() ) { - m_aTypes.Add(Type_None); // no line terminator + m_aTypes.Add(wxTextFileType_None); // no line terminator m_aLines.Add(str); } return TRUE; } -bool wxTextFile::Write(Type typeNew) +bool wxTextFile::Close() +{ + m_aTypes.Clear(); + m_aLines.Clear(); + m_nCurLine = 0; + + return TRUE; +} + +bool wxTextFile::Write(wxTextFileType typeNew) { wxTempFile fileTmp(m_strFile); @@ -228,12 +244,29 @@ bool wxTextFile::Write(Type typeNew) return FALSE; } - uint nCount = m_aLines.Count(); - for ( uint n = 0; n < nCount; 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)); + GetEOL(typeNew == wxTextFileType_None ? m_aTypes[n] + : typeNew)); } // replace the old file with this one return fileTmp.Commit(); } + +const wxChar *wxTextFile::GetEOL(wxTextFileType type) +{ + switch ( type ) { + case wxTextFileType_None: return _T(""); + case wxTextFileType_Unix: return _T("\n"); + case wxTextFileType_Dos: return _T("\r\n"); + case wxTextFileType_Mac: return _T("\r"); + + default: + wxFAIL_MSG(_T("bad file type in wxTextFile::GetEOL.")); + return (const wxChar *) NULL; + } +} + +#endif