contrib/utils/wxrcedit/nodesdb.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Author:      Vaclav Slavik
   3 // Created:     2000/05/05
   4 // RCS-ID:      $Id$
   5 // Copyright:   (c) 2000 Vaclav Slavik
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifdef __GNUG__
  10     #pragma implementation "nodesdb.h"
  11 #endif
  12
  13 // For compilers that support precompilation, includes _T("wx/wx.h").
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/wx.h"
  21 #include "wx/textfile.h"
  22 #include "wx/tokenzr.h"
  23 #include "wx/dir.h"
  24 #include "nodesdb.h"
  25 #include "wx/arrimpl.cpp"
  26
  27 WX_DEFINE_OBJARRAY(NodeInfoArray);
  28 WX_DEFINE_OBJARRAY(PropertyInfoArray);
  29
  30
  31
  32
  33 void NodeInfo::Read(const wxString& filename, wxPathList& list)
  34 {
  35     wxString tp;
  36     wxString nd, cht;
  37     bool ab = false;
  38     long icn = -1;
  39
  40     NodeClass.Empty();
  41
  42     wxString path = list.FindValidPath(filename);
  43     if (path.empty()) return;
  44
  45     wxTextFile tf;
  46     tf.Open(path);
  47
  48     if (!tf.IsOpened()) return;
  49
  50     for (size_t i = 0; i < tf.GetLineCount(); i++)
  51     {
  52         if (tf[i].empty() || tf[i][0u] == _T('#')) continue;
  53         wxStringTokenizer tkn(tf[i], _T(' '));
  54         wxString s = tkn.GetNextToken();
  55         if (s == _T("node"))
  56             nd = tkn.GetNextToken();
  57         else if (s == _T("childtype"))
  58             cht = tkn.GetNextToken();
  59         else if (s == _T("icon"))
  60             tkn.GetNextToken().ToLong(&icn);
  61         else if (s == _T("derived"))
  62         {
  63             if (tkn.GetNextToken() == _T("from"))
  64             {
  65                 s = tkn.GetNextToken();
  66                 DerivedFrom.Add(s);
  67                 Read(s + _T(".df"), list);
  68             }
  69         }
  70         else if (s == _T("abstract"))
  71             ab = true;
  72         else if (s == _T("type"))
  73         {
  74             tp = tkn.GetNextToken();
  75         }
  76         else if (s == _T("var"))
  77         {
  78             PropertyInfo pi;
  79             pi.Name = tkn.GetNextToken();
  80             tkn.GetNextToken();
  81             pi.Type = tkn.GetNextToken();
  82             if (tkn.HasMoreTokens()) pi.MoreInfo = tkn.GetNextToken();
  83
  84             bool fnd = false;
  85             for (size_t j = 0; j < Props.GetCount(); j++)
  86             {
  87                 if (Props[j].Name == pi.Name)
  88                 {
  89                     if (Props[j].Type == pi.Type && pi.Type == _T("flags"))
  90                         Props[j].MoreInfo << _T(',') << pi.MoreInfo;
  91                     else
  92                         Props[j] = pi;
  93                     fnd = true;
  94                 }
  95             }
  96
  97             if (!fnd) Props.Add(pi);
  98         }
  99     }
 100
 101     if (!nd.empty()) NodeClass = nd;
 102     if (!cht.empty()) ChildType = cht;
 103     if (!tp.empty()) Type = tp;
 104     if (icn != -1) Icon = icn;
 105     Abstract = ab;
 106 }
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116 NodesDb* NodesDb::ms_Instance = NULL;
 117
 118 NodesDb *NodesDb::Get()
 119 {
 120     if (ms_Instance == NULL)
 121     {
 122         (void)new NodesDb;
 123     }
 124     return ms_Instance;
 125 }
 126
 127
 128 NodesDb::NodesDb()
 129 {
 130     ms_Instance = this;
 131
 132     m_Paths.Add(_T("."));
 133     m_Paths.Add(_T("./df"));
 134 #ifdef __UNIX__
 135     m_Paths.Add(wxGetHomeDir() + _T("/.wxrcedit"));
 136     #ifdef wxINSTALL_PREFIX
 137     m_Paths.Add(wxINSTALL_PREFIX _T("/share/wx/wxrcedit"));
 138     #endif
 139 #endif
 140
 141     Load();
 142 }
 143
 144
 145
 146 void NodesDb::Load()
 147 {
 148     for (size_t i = 0; i < m_Paths.GetCount(); i++)
 149         LoadDir(m_Paths[i]);
 150 }
 151
 152
 153
 154 void NodesDb::LoadDir(const wxString& path)
 155 {
 156     if (!wxDirExists(path)) return;
 157
 158     wxDir dir(path);
 159     wxString filename;
 160     bool cont;
 161
 162     cont = dir.GetFirst(&filename, _T("*.df"));
 163     while (cont)
 164     {
 165         LoadFile(filename);
 166         cont = dir.GetNext(&filename);
 167     }
 168 }
 169
 170
 171
 172 void NodesDb::LoadFile(const wxString& file)
 173 {
 174     NodeInfo *ni = new NodeInfo;
 175     ni->Type = wxEmptyString;
 176     ni->Icon = 0;
 177     wxPathList paths;
 178     size_t i;
 179
 180     for (i = 0; i < m_Paths.GetCount(); i++)
 181         paths.Add(m_Paths[i]);
 182
 183     ni->Read(file, paths);
 184
 185     // maybe we already parsed it?
 186     for (i = 0; i < m_Infos.GetCount(); i++)
 187         if (m_Infos[i].NodeClass == ni->NodeClass) return;
 188
 189     m_Infos.Add(ni);
 190 }