X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0f587c50021f6171df01682bd1059cf93866882..eb3b9ddac489983d36cf7c5781391be34ee1a2f5:/src/common/textfile.cpp diff --git a/src/common/textfile.cpp b/src/common/textfile.cpp index 3ab5dc94c3..c4863f5bc3 100644 --- a/src/common/textfile.cpp +++ b/src/common/textfile.cpp @@ -67,10 +67,10 @@ const wxChar *wxTextFile::GetEOL(wxTextFileType type) wxFAIL_MSG(wxT("bad file type in wxTextFile::GetEOL.")); // fall through nevertheless - we must return something... - case wxTextFileType_None: return wxT(_T("")); - case wxTextFileType_Unix: return wxT(_T("\n")); - case wxTextFileType_Dos: return wxT(_T("\r\n")); - case wxTextFileType_Mac: return wxT(_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"); } } @@ -80,6 +80,10 @@ wxString wxTextFile::Translate(const wxString& text, wxTextFileType type) 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 @@ -114,6 +118,10 @@ wxString wxTextFile::Translate(const wxString& text, wxTextFileType type) if ( chLast == _T('\r') ) { // Mac line termination result += eol; + + // reset chLast to avoid inserting another eol before the + // next character + chLast = 0; } // add to the current line @@ -155,6 +163,32 @@ bool wxTextFile::Exists() const return wxFile::Exists(m_strFile); } +bool wxTextFile::Create(const wxString& strFile) +{ + m_strFile = strFile; + + return Create(); +} + +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) { m_strFile = strFile; @@ -252,7 +286,7 @@ bool wxTextFile::Read() 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) @@ -295,7 +329,7 @@ bool wxTextFile::Read() } } } - } + } while ( nRead == WXSIZEOF(buf) ); // anything in the last line? if ( !str.IsEmpty() ) {