private int PerformTemplate(TemplateNode template, XmlDocument xml_doc, ExcelDocument xlsx_doc, int offset)
{
xlsx_doc.RestartRows();
xlsx_doc.AddRow();
List <string> columns = new List <string>();
var nodes = xml_doc.SelectNodes(template.Path);
for (int i = 0; i < nodes.Count; i++)
{
var node = nodes[i];
var values = template.Apply(node);
if (values == null)
{
continue;
}
List <string> row = new List <string>(columns.Count);
foreach (var value in values)
{
int index = columns.IndexOf(value.Key);
if (index < 0)
{
index = columns.Count;
xlsx_doc.AddColumn(offset + columns.Count);
columns.Add(value.Key);
}
while (row.Count <= index)
{
row.Add("");
}
row[index] = value.Value;
}
while (row.Count < columns.Count)
{
row.Add("");
}
xlsx_doc.AddRow(offset, row);
int progress = (i + 1) * 100 / nodes.Count;
if (Progress != progress)
{
Progress = progress;
ProgressChanged?.Invoke(this, EventArgs.Empty);
}
}
for (int i = 0; i < columns.Count; i++)
{
xlsx_doc[offset + i, 0] = columns[i];
}
return(columns.Count);
}
private void ConvertButton_Click(object sender, EventArgs e)
{
try
{
var xml_path = XMLTextBox.Text;
if (!File.Exists(xml_path))
{
ErrorMessenger.ShowNoFileError(this, xml_path);
return;
}
var xlsx_path = XLSXTextBox.Text;
if (!xlsx_path.ToLower().EndsWith(".xlsx"))
{
xlsx_path += ".xlsx";
}
try { xlsx_path = Path.GetFullPath(xlsx_path); }
catch { ErrorMessenger.ShowBadFileNameError(this, xlsx_path); return; }
List <TemplateNode> template;
try { template = TemplateNode.ParseLines(TemplateTextBox.Lines); }
catch (Exception ex) { ErrorMessenger.ShowBadTemplateError(this, ex.Message); return; }
var converter = new Converter(xml_path, xlsx_path, template);
ConvertButton.Enabled = false;
ConverterBackgroundWorker.RunWorkerAsync(converter);
}
catch (Exception ex)
{
MessageBox.Show(this,
ex.ToString(),
"Error: Can not convert XML file.",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
public static List <TemplateNode> ParseLines(string[] lines)
{
var result = new List <TemplateNode>();
TemplateNode current = null;
for (int i = 0; i < lines.Length; i++)
{
var line = lines[i].Trim();
if (line.Length <= 0 || line[0] == '#')
{
continue;
}
if (line == "===-===")
{
break;
}
var pattern = EscapeValues(line);
var values = ExtractValues(line);
var attribs = ExtractAttribs(line);
if (attribs == null)
{
throw new Exception("[Unclosed quotes]" + i + ": " + line);
}
if (IsPatternPath(pattern))
{
if (values.Length != 1)
{
throw new Exception("[Values count]" + i + ": " + line);
}
if (attribs.Length != 1)
{
throw new Exception("[Attributes count]" + i + ": " + line);
}
if (attribs[0] != "")
{
throw new Exception("[Attributes]" + i + ": " + line);
}
var node = new TemplateNode();
node.Path = values[0];
if (current == null)
{
result.Add(node);
}
else
{
current.SubNodes.Add(node);
node.Parrent = current;
}
current = node;
}
else if (IsPatternCondition(pattern))
{
if (current == null)
{
throw new Exception("[No current node]" + i + ": " + line);
}
if (values.Length != 2)
{
throw new Exception("[Values count]" + i + ": " + line);
}
if (attribs.Length != 2)
{
throw new Exception("[Attributes count]" + i + ": " + line);
}
if (attribs[0] != "")
{
throw new Exception("[Attributes]" + i + ": " + line);
}
if (attribs[1].Contains('$'))
{
throw new Exception("[Attributes]" + i + ": " + line);
}
if (attribs[1].Contains('.') && attribs[1].Contains('*'))
{
throw new Exception("[Attributes]" + i + ": " + line);
}
current.Filters.Add(new KeyValuePair <Unit, Unit>(new Unit(attribs[0], values[0]), new Unit(attribs[1], values[1])));
}
else if (IsPatternPrefix(pattern))
{
if (current == null)
{
throw new Exception("[No current node]" + i + ": " + line);
}
foreach (var attrib in attribs)
{
if (attrib.Length != 0 && (attrib.Length != 1 || attrib[0] != '!'))
{
throw new Exception("[Attributes]" + i + ": " + line);
}
}
for (int a = 0; a < attribs.Length; a++)
{
current.Prefixes.Add(new Unit(attribs[a], values[a]));
}
}
else if (line.Contains(':'))
{
if (current == null)
{
throw new Exception("[No current node]" + i + ": " + line);
}
if (values.Length != 2)
{
throw new Exception("[Values count]" + i + ": " + line);
}
if (attribs.Length != 2)
{
throw new Exception("[Attributes count]" + i + ": " + line);
}
if (attribs[0].Length != 0 && (attribs[0].Length != 1 || attribs[0][0] != '$'))
{
throw new Exception("[Attributes]" + i + ": " + line);
}
if (attribs[1].Length != 0 && (attribs[1].Length != 1 || attribs[1][0] != '!'))
{
throw new Exception("[Attributes]" + i + ": " + line);
}
if (current.Values.ContainsKey(new Unit(values[0])))
{
throw new Exception("[Duplicated key]" + i + ": " + line);
}
current.Values.Add(new Unit(attribs[0], values[0]), new Unit(attribs[1], values[1]));
}
else if (line == "{")
{
// Nothing to do here
}
else if (line == "}")
{
current = current.Parrent;
}
else
{
throw new Exception("[Bad format]" + i + ": " + line);
}
}
return(result);
}
