Transform to CMake project.

special/XmlHelper.cpp

@@ -0,0 +1,75 @@
+/* 
+ * File:   XmlHelper.cpp
+ * Author: SET - nmset@yandex.com
+ * License : LGPL version 2.1
+ * Copyright SET, M. D. - © 2014
+ * 
+ * Created on December 15, 2019, 4:13 PM
+ */
+
+#include "XmlHelper.h"
+#include <wx/sstream.h>
+
+XmlHelper::XmlHelper()
+{
+}
+
+XmlHelper::~XmlHelper()
+{
+}
+
+// if doc is declared with local scope, root elements are empty in caller
+
+wxXmlNode* XmlHelper::ValidateXmlValue(wxXmlDocument& doc, const wxString& value)
+{
+    // Avoid 'XML parsing error' message box.
+    wxLogNull lognull;
+    wxStringInputStream sis(value);
+    bool res = doc.Load(sis);
+    if (!res)
+    {
+        wxASSERT_MSG(res == true, _T("Can't load XML data.\n") + value);
+        return NULL;
+    }
+    wxXmlNode * root = doc.GetRoot();
+    if (root->GetName() != XML_ROOT_NAME)
+    {
+        wxASSERT_MSG(root->GetName() != XML_ROOT_NAME, _T("Bad XML data.\n") + value);
+        return NULL;
+    }
+    // Check all rows and attributes
+    wxXmlNode * row = root->GetChildren();
+    while (row)
+    {
+        if (row->GetName() != XML_ROW_NAME
+                || !row->HasAttribute(XML_ATTR_TYPE)
+                || !row->HasAttribute(XML_ATTR_PREF)
+                || !row->HasAttribute(XML_ATTR_NOTES)
+                || row->GetNodeContent().IsEmpty())
+        {
+            wxASSERT_MSG(root->GetName() != XML_ROOT_NAME, _T("Unexpected XML data.\n") + value);
+            return NULL;
+        }
+        row = row->GetNext();
+    }
+    return root;
+}
+
+wxString XmlHelper::GetIntent(const wxString& xmlData)
+{
+    if (xmlData.IsEmpty())
+        return wxEmptyString;
+    wxXmlDocument doc;
+    wxXmlNode * root = ValidateXmlValue(doc, xmlData);
+    if (root == NULL)
+        return wxEmptyString;
+    wxXmlNode * row = root->GetChildren();
+    while (row)
+    {
+        const wxString pref = row->GetAttribute(XML_ATTR_PREF);
+        if (!pref.IsEmpty() && pref != _T("0"))
+            return row->GetNodeContent();
+        row = row->GetNext();
+    }
+    return wxEmptyString;
+}