contrib/utils/wxrcedit/xmlhelpr.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 "xmlhelpr.h"
  11 #endif
  12
  13 // For compilers that support precompilation, includes "wx/wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/xrc/xml.h"
  21 #include "wx/wx.h"
  22 #include "wx/tokenzr.h"
  23 #include "xmlhelpr.h"
  24
  25
  26
  27 wxXmlNode *XmlFindNodeSimple(wxXmlNode *parent, const wxString& param)
  28 {
  29     if (param.IsEmpty()) return parent;
  30
  31     wxXmlNode *n = parent->GetChildren();
  32
  33     while (n)
  34     {
  35         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
  36             return n;
  37         n = n->GetNext();
  38     }
  39     return NULL;
  40 }
  41
  42
  43
  44 wxXmlNode *XmlFindNode(wxXmlNode *parent, const wxString& path)
  45 {
  46     wxXmlNode *n = parent;
  47     wxStringTokenizer tkn(path, _T("/"));
  48     while (tkn.HasMoreTokens())
  49     {
  50         n = XmlFindNodeSimple(n, tkn.GetNextToken());
  51         if (n == NULL) break;
  52     }
  53     return n;
  54 }
  55
  56
  57
  58 wxXmlNode *XmlCreateNode(wxXmlNode *parent, const wxString& name)
  59 {
  60     wxXmlNode *n;
  61     wxString nm;
  62
  63     wxStringTokenizer tkn(name, _T("/"));
  64     n = parent;
  65     while (tkn.HasMoreTokens())
  66     {
  67         parent = n;
  68         nm = tkn.GetNextToken();
  69         n = XmlFindNodeSimple(parent, nm);
  70         if (n) continue;
  71
  72         // n == NULL:
  73         n = new wxXmlNode(wxXML_ELEMENT_NODE, nm);
  74         parent->AddChild(n);
  75     }
  76     n->AddChild(new wxXmlNode(wxXML_TEXT_NODE, wxEmptyString));
  77
  78     return n;
  79 }
  80
  81
  82
  83 void XmlWriteValue(wxXmlNode *parent, const wxString& name, const wxString& value)
  84 {
  85     wxXmlNode *n = XmlFindNode(parent, name);
  86     if (n == NULL)
  87         n = XmlCreateNode(parent, name);
  88
  89     n = n->GetChildren();
  90
  91     while (n)
  92     {
  93         if (n->GetType() == wxXML_TEXT_NODE ||
  94             n->GetType() == wxXML_CDATA_SECTION_NODE)
  95         {
  96             n->SetContent(value);
  97             break;
  98         }
  99         n = n->GetNext();
 100     }
 101 }
 102
 103
 104
 105 wxString XmlReadValue(wxXmlNode *parent, const wxString& name)
 106 {
 107     wxXmlNode *n = XmlFindNode(parent, name);
 108     if (n == NULL) return wxEmptyString;
 109     n = n->GetChildren();
 110
 111     while (n)
 112     {
 113         if (n->GetType() == wxXML_TEXT_NODE ||
 114             n->GetType() == wxXML_CDATA_SECTION_NODE)
 115             return n->GetContent();
 116         n = n->GetNext();
 117     }
 118     return wxEmptyString;
 119 }
 120
 121
 122
 123 wxString XmlGetClass(wxXmlNode *parent)
 124 {
 125     return parent->GetPropVal(_T("class"), wxEmptyString);
 126 }
 127
 128
 129
 130 void XmlSetClass(wxXmlNode *parent, const wxString& classname)
 131 {
 132     parent->DeleteProperty(_T("class"));
 133     parent->AddProperty(_T("class"), classname);
 134 }
 135
 136
 137
 138
 139