X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/17a1ebd101f0653e69736416a2a28d0ada423141..424da8bdb9f05243d8888d78a56ab0cc3f615a6c:/src/common/txtstrm.cpp diff --git a/src/common/txtstrm.cpp b/src/common/txtstrm.cpp index 61260824e2..9408345960 100644 --- a/src/common/txtstrm.cpp +++ b/src/common/txtstrm.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: txtstrm.cpp +// Name: src/common/txtstrm.cpp // Purpose: Text stream classes // Author: Guilhem Lavaux // Modified by: @@ -19,24 +19,22 @@ #if wxUSE_STREAMS #include "wx/txtstrm.h" -#include - -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/crt.h" +#endif -// Unix: "\n" -// Dos: "\r\n" -// Mac: "\r" +#include // ---------------------------------------------------------------------------- // wxTextInputStream // ---------------------------------------------------------------------------- #if wxUSE_UNICODE -wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep, wxMBConv& conv) - : m_input(s), m_separators(sep), m_conv(conv) +wxTextInputStream::wxTextInputStream(wxInputStream &s, + const wxString &sep, + const wxMBConv& conv) + : m_input(s), m_separators(sep), m_conv(conv.Clone()) { memset((void*)m_lastBytes, 0, 10); } @@ -50,6 +48,9 @@ wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep) wxTextInputStream::~wxTextInputStream() { +#if wxUSE_UNICODE + delete m_conv; +#endif // wxUSE_UNICODE } void wxTextInputStream::UngetLast() @@ -74,11 +75,35 @@ wxChar wxTextInputStream::NextChar() if(m_input.LastRead() <= 0) return wxEOT; - int retlen = (int) m_conv.MB2WC(wbuf, m_lastBytes, 2); // returns -1 for failure - if(retlen >= 0) // res == 0 could happen for '\0' char - return wbuf[0]; + switch ( m_conv->ToWChar(wbuf, WXSIZEOF(wbuf), m_lastBytes, inlen + 1) ) + { + case 0: + // this is a bug in converter object as it should either fail + // or decode non-empty string to something non-empty + wxFAIL_MSG("ToWChar() can't return 0 for non-empty input"); + break; + + case wxCONV_FAILED: + // the buffer probably doesn't contain enough bytes to decode + // as a complete character, try with more bytes + break; + + default: + // if we couldn't decode a single character during the last + // loop iteration we shouldn't be able to decode 2 or more of + // them with an extra single byte, something fishy is going on + wxFAIL_MSG("unexpected decoding result"); + // fall through nevertheless and return at least something + + case 1: + // we finally decoded a character + return wbuf[0]; + } } - // there should be no encoding which requires more than nine bytes for one character... + + // there should be no encoding which requires more than nine bytes for one + // character so something must be wrong with our conversion but we have no + // way to signal it from here return wxEOT; #else m_lastBytes[0] = m_input.GetC(); @@ -100,7 +125,7 @@ wxChar wxTextInputStream::NextNonSeparators() if (c != wxT('\n') && c != wxT('\r') && - !m_separators.Contains(c)) + m_separators.Find(c) < 0) return c; } @@ -124,7 +149,7 @@ bool wxTextInputStream::EatEOL(const wxChar &c) wxUint32 wxTextInputStream::Read32(int base) { - wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") ); + wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") ); if(!m_input) return 0; wxString word = ReadWord(); @@ -145,7 +170,7 @@ wxUint8 wxTextInputStream::Read8(int base) wxInt32 wxTextInputStream::Read32S(int base) { - wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") ); + wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") ); if(!m_input) return 0; wxString word = ReadWord(); @@ -173,11 +198,15 @@ double wxTextInputStream::ReadDouble() return wxStrtod(word.c_str(), 0); } +#if WXWIN_COMPATIBILITY_2_6 + wxString wxTextInputStream::ReadString() { return ReadLine(); } +#endif // WXWIN_COMPATIBILITY_2_6 + wxString wxTextInputStream::ReadLine() { wxString line; @@ -188,9 +217,6 @@ wxString wxTextInputStream::ReadLine() if(c == wxEOT) break; - if ( !m_input ) - break; - if (EatEOL(c)) break; @@ -219,7 +245,7 @@ wxString wxTextInputStream::ReadWord() if(c == wxEOT) break; - if (m_separators.Contains(c)) + if (m_separators.Find(c) >= 0) break; if (EatEOL(c)) @@ -298,8 +324,10 @@ wxTextInputStream& wxTextInputStream::operator>>(float& f) #if wxUSE_UNICODE -wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode, wxMBConv& conv) - : m_output(s), m_conv(conv) +wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, + wxEOL mode, + const wxMBConv& conv) + : m_output(s), m_conv(conv.Clone()) #else wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode) : m_output(s) @@ -310,8 +338,6 @@ wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode) { #if defined(__WXMSW__) || defined(__WXPM__) m_mode = wxEOL_DOS; -#elif defined(__WXMAC__) && !defined(__DARWIN__) - m_mode = wxEOL_MAC; #else m_mode = wxEOL_UNIX; #endif @@ -320,6 +346,9 @@ wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode) wxTextOutputStream::~wxTextOutputStream() { +#if wxUSE_UNICODE + delete m_conv; +#endif // wxUSE_UNICODE } void wxTextOutputStream::SetMode(wxEOL mode) @@ -329,8 +358,6 @@ void wxTextOutputStream::SetMode(wxEOL mode) { #if defined(__WXMSW__) || defined(__WXPM__) m_mode = wxEOL_DOS; -#elif defined(__WXMAC__) && !defined(__DARWIN__) - m_mode = wxEOL_MAC; #else m_mode = wxEOL_UNIX; #endif @@ -384,15 +411,15 @@ void wxTextOutputStream::WriteString(const wxString& string) switch ( m_mode ) { case wxEOL_DOS: - out << _T("\r\n"); + out << wxT("\r\n"); continue; case wxEOL_MAC: - out << _T('\r'); + out << wxT('\r'); continue; default: - wxFAIL_MSG( _T("unknown EOL mode in wxTextOutputStream") ); + wxFAIL_MSG( wxT("unknown EOL mode in wxTextOutputStream") ); // fall through case wxEOL_UNIX: @@ -404,10 +431,10 @@ void wxTextOutputStream::WriteString(const wxString& string) out << c; } - // We must not write the trailing NULL here #if wxUSE_UNICODE - wxCharBuffer buffer = m_conv.cWC2MB( out ); - m_output.Write( (const char*) buffer, strlen( (const char*) buffer ) ); + // FIXME-UTF8: use wxCharBufferWithLength if/when we have it + wxCharBuffer buffer = m_conv->cWC2MB(out.wc_str(), out.length(), &len); + m_output.Write(buffer, len); #else m_output.Write(out.c_str(), out.length() ); #endif @@ -416,17 +443,24 @@ void wxTextOutputStream::WriteString(const wxString& string) wxTextOutputStream& wxTextOutputStream::PutChar(wxChar c) { #if wxUSE_UNICODE - WriteString( wxString(&c, m_conv, 1) ); + WriteString( wxString(&c, *m_conv, 1) ); #else WriteString( wxString(&c, wxConvLocal, 1) ); #endif return *this; } -wxTextOutputStream& wxTextOutputStream::operator<<(const wxChar *string) +void wxTextOutputStream::Flush() { - WriteString( wxString(string) ); - return *this; +#if wxUSE_UNICODE + const size_t len = m_conv->FromWChar(NULL, 0, L"", 1); + if ( len > m_conv->GetMBNulLen() ) + { + wxCharBuffer buf(len); + m_conv->FromWChar(buf.data(), len, L"", 1); + m_output.Write(buf, len - m_conv->GetMBNulLen()); + } +#endif // wxUSE_UNICODE } wxTextOutputStream& wxTextOutputStream::operator<<(const wxString& string) @@ -446,7 +480,7 @@ wxTextOutputStream& wxTextOutputStream::operator<<(char c) wxTextOutputStream& wxTextOutputStream::operator<<(wchar_t wc) { - WriteString( wxString(&wc, m_conv, 1) ); + WriteString( wxString(&wc, *m_conv, 1) ); return *this; }