projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| f6bcfd97 BP |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: reader.cpp | |
| 3 | // Purpose: Life! pattern reader (writer coming soon) | |
| 4 | // Author: Guillermo Rodriguez Garcia, <guille@iies.es> | |
| 5 | // Modified by: | |
| 6 | // Created: Jan/2000 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) 2000, Guillermo Rodriguez Garcia | |
| 9 | // Licence: wxWindows licence | |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | // ========================================================================== | |
| 13 | // headers, declarations, constants | |
| 14 | // ========================================================================== | |
| 15 | ||
| 16 | #ifdef __GNUG__ | |
| 17 | #pragma implementation "reader.h" | |
| 18 | #endif | |
| 19 | ||
| 20 | // For compilers that support precompilation, includes "wx/wx.h". | |
| 21 | #include "wx/wxprec.h" | |
| 22 | ||
| 23 | #ifdef __BORLANDC__ | |
| 24 | #pragma hdrstop | |
| 25 | #endif | |
| 26 | ||
| 27 | #ifndef WX_PRECOMP | |
| 28 | #include "wx/wx.h" | |
| 29 | #endif | |
| 30 | ||
| 31 | #include "wx/txtstrm.h" | |
| 32 | #include "reader.h" | |
| 33 | ||
| 34 | ||
| 35 | // ========================================================================== | |
| 36 | // LifeReader | |
| 37 | // ========================================================================== | |
| 38 | ||
| 39 | #define LIFE_CHECKVAL( msg ) \ | |
| 40 | if (!m_ok) \ | |
| 41 | { \ | |
| 42 | wxMessageBox( msg, _("Error"), wxICON_EXCLAMATION | wxOK ); \ | |
| 43 | return; \ | |
| 44 | } | |
| 45 | ||
| 46 | LifeReader::LifeReader(wxInputStream& is) | |
| 47 | { | |
| d493b66a GRG |
48 | wxBufferedInputStream buff_is(is); |
| 49 | wxTextInputStream text_is(buff_is); | |
| f6bcfd97 BP |
50 | wxString line, rest; |
| 51 | ||
| 52 | // check stream | |
| 53 | m_ok = is.IsOk(); | |
| 54 | LIFE_CHECKVAL(_("Couldn't read any data")); | |
| 55 | ||
| 56 | // read signature | |
| 57 | m_ok = text_is.ReadLine().Contains(wxT("#Life 1.05")); | |
| 58 | LIFE_CHECKVAL(_("Error reading signature. Not a Life pattern?")); | |
| 59 | ||
| 60 | // read description | |
| 61 | m_description = wxT(""); | |
| 62 | line = text_is.ReadLine(); | |
| 63 | while (buff_is.IsOk() && line.StartsWith(wxT("#D"), &rest)) | |
| 64 | { | |
| 65 | m_description += rest.Trim(FALSE); | |
| 66 | m_description += wxT("\n"); | |
| 67 | line = text_is.ReadLine(); | |
| 68 | } | |
| 69 | ||
| 70 | m_ok = buff_is.IsOk(); | |
| 71 | LIFE_CHECKVAL(_("Unexpected EOF while reading description")); | |
| 72 | ||
| 73 | // read rules | |
| 74 | m_ok = line.StartsWith(wxT("#N")); | |
| 75 | LIFE_CHECKVAL(_("Sorry, non-conway rules not supported yet")); | |
| 76 | ||
| 77 | // read shape | |
| 78 | while (buff_is.IsOk()) | |
| 79 | { | |
| 80 | line = ( text_is.ReadLine() ).Trim(); | |
| 81 | ||
| 82 | if (!line.IsEmpty()) | |
| 83 | { | |
| 84 | if (line.StartsWith(wxT("#P "), &rest)) | |
| 85 | m_shape.Add(rest); | |
| 86 | else | |
| 87 | m_shape.Add(line); | |
| 88 | } | |
| 89 | } | |
| 90 | } | |
| 91 |