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 | |
| f6bcfd97 BP |
7 | // Copyright: (c) 2000, Guillermo Rodriguez Garcia |
| 8 | // Licence: wxWindows licence | |
| 9 | ///////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | // ========================================================================== | |
| 12 | // headers, declarations, constants | |
| 13 | // ========================================================================== | |
| 14 | ||
| f6bcfd97 BP |
15 | // For compilers that support precompilation, includes "wx/wx.h". |
| 16 | #include "wx/wxprec.h" | |
| 17 | ||
| 18 | #ifdef __BORLANDC__ | |
| 19 | #pragma hdrstop | |
| 20 | #endif | |
| 21 | ||
| 22 | #ifndef WX_PRECOMP | |
| 23 | #include "wx/wx.h" | |
| 24 | #endif | |
| 25 | ||
| 26 | #include "wx/txtstrm.h" | |
| 27 | #include "reader.h" | |
| 28 | ||
| 29 | ||
| 30 | // ========================================================================== | |
| 31 | // LifeReader | |
| 32 | // ========================================================================== | |
| 33 | ||
| 34 | #define LIFE_CHECKVAL( msg ) \ | |
| 35 | if (!m_ok) \ | |
| 36 | { \ | |
| 37 | wxMessageBox( msg, _("Error"), wxICON_EXCLAMATION | wxOK ); \ | |
| 38 | return; \ | |
| 39 | } | |
| 40 | ||
| 41 | LifeReader::LifeReader(wxInputStream& is) | |
| 42 | { | |
| d493b66a GRG |
43 | wxBufferedInputStream buff_is(is); |
| 44 | wxTextInputStream text_is(buff_is); | |
| 5d2ac6b8 | 45 | wxString line, rest; |
| f6bcfd97 BP |
46 | |
| 47 | // check stream | |
| 48 | m_ok = is.IsOk(); | |
| 49 | LIFE_CHECKVAL(_("Couldn't read any data")); | |
| 50 | ||
| 51 | // read signature | |
| 52 | m_ok = text_is.ReadLine().Contains(wxT("#Life 1.05")); | |
| 53 | LIFE_CHECKVAL(_("Error reading signature. Not a Life pattern?")); | |
| 54 | ||
| 55 | // read description | |
| 5d2ac6b8 | 56 | m_description = wxEmptyString; |
| f6bcfd97 BP |
57 | line = text_is.ReadLine(); |
| 58 | while (buff_is.IsOk() && line.StartsWith(wxT("#D"), &rest)) | |
| 59 | { | |
| 3ac8bd7b | 60 | m_description += rest.Trim(false); |
| f6bcfd97 BP |
61 | m_description += wxT("\n"); |
| 62 | line = text_is.ReadLine(); | |
| 63 | } | |
| 64 | ||
| 65 | m_ok = buff_is.IsOk(); | |
| 66 | LIFE_CHECKVAL(_("Unexpected EOF while reading description")); | |
| 67 | ||
| 68 | // read rules | |
| 69 | m_ok = line.StartsWith(wxT("#N")); | |
| 70 | LIFE_CHECKVAL(_("Sorry, non-conway rules not supported yet")); | |
| 71 | ||
| 72 | // read shape | |
| 73 | while (buff_is.IsOk()) | |
| 74 | { | |
| 75 | line = ( text_is.ReadLine() ).Trim(); | |
| 76 | ||
| 5d2ac6b8 | 77 | if (!line.empty()) |
| f6bcfd97 BP |
78 | { |
| 79 | if (line.StartsWith(wxT("#P "), &rest)) | |
| 80 | m_shape.Add(rest); | |
| 81 | else | |
| 82 | m_shape.Add(line); | |
| 83 | } | |
| 84 | } | |
| 85 | } | |
| 86 |