initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/demos/life/reader.cpp

@@ -0,0 +1,82 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        reader.cpp
+// Purpose:     Life! pattern reader (writer coming soon)
+// Author:      Guillermo Rodriguez Garcia, <guille@iies.es>
+// Created:     Jan/2000
+// Copyright:   (c) 2000, Guillermo Rodriguez Garcia
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ==========================================================================
+// headers, declarations, constants
+// ==========================================================================
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#include "wx/txtstrm.h"
+#include "reader.h"
+
+
+// ==========================================================================
+// LifeReader
+// ==========================================================================
+
+#define LIFE_CHECKVAL( msg )                                        \
+    if (!m_ok)                                                      \
+    {                                                               \
+        wxMessageBox( msg, _("Error"), wxICON_EXCLAMATION | wxOK ); \
+        return;                                                     \
+    }
+
+LifeReader::LifeReader(wxInputStream& is)
+{
+    wxBufferedInputStream buff_is(is);
+    wxTextInputStream     text_is(buff_is);
+    wxString              line, rest;
+
+    // check stream
+    m_ok = is.IsOk();
+    LIFE_CHECKVAL(_("Couldn't read any data"));
+
+    // read signature
+    m_ok = text_is.ReadLine().Contains(wxT("#Life 1.05"));
+    LIFE_CHECKVAL(_("Error reading signature. Not a Life pattern?"));
+
+    // read description
+    m_description = wxEmptyString;
+    line = text_is.ReadLine();
+    while (buff_is.IsOk() && line.StartsWith(wxT("#D"), &rest))
+    {
+        m_description += rest.Trim(false);
+        m_description += wxT("\n");
+        line = text_is.ReadLine();
+    }
+
+    m_ok = buff_is.IsOk();
+    LIFE_CHECKVAL(_("Unexpected EOF while reading description"));
+
+    // read rules
+    m_ok = line.StartsWith(wxT("#N"));
+    LIFE_CHECKVAL(_("Sorry, non-conway rules not supported yet"));
+
+    // read shape
+    while (buff_is.IsOk())
+    {
+        line = ( text_is.ReadLine() ).Trim();
+
+        if (!line.empty())
+        {
+            if (line.StartsWith(wxT("#P "), &rest))
+                m_shape.Add(rest);
+            else
+                m_shape.Add(line);
+        }
+    }
+}
+