static IList ReadTable(this TextScanner scanner, FileSection section)
{
var list = section.CreateList();
scanner.SkipWhiteSpace();
if (!scanner.TryGetColumns(section))
{
return(list);
}
while (scanner.Read())
{
scanner.SkipWhiteSpace();
if (!scanner.TryGetRows(section, out var values))
{
return(list);
}
var row = section.CreateObject();
foreach (var x in section.Schema.Fields.Zip(values, (f, v) => new { Field = f, Value = v }))
{
x.Field[row] = FieldConverter.Convert(x.Field.Type, x.Value);
}
list.Add(row);
}
return(list);
}
public static void Read <T>(this CdsFile <T> file, TextReader reader)
where T : CdsFile <T>, new()
{
var schema = CdsFile <T> .Schema;
using (var scanner = new TextScanner(reader))
{
scanner.ReadProperties(schema.Fields, file);
scanner.ReadSections(schema.Sections, file);
}
}
static IList ReadGroup(this TextScanner scanner, FileSection section)
{
var list = section.CreateList();
while (!scanner.TryGetSectionEnd(section))
{
var item = section.CreateObject();
scanner.ReadProperties(section.Schema.Fields, item);
scanner.ReadSections(section.Schema.Sections, item);
list.Add(item);
}
return(list);
}
static void ReadSections(this TextScanner scanner, IReadOnlyList <FileSection> sections, object target)
{
foreach (var section in sections)
{
while (!scanner.TryGetSectionStart(section))
{
if (!scanner.Read())
{
return;
}
}
if (!scanner.Read())
{
return;
}
if (section.IsText)
{
if (scanner.TryGetText(out var text))
{
section[target] = text;
}
}
else if (section.IsTable)
{
section[target] = scanner.ReadTable(section);
}
else if (section.IsGroup)
{
section[target] = scanner.ReadGroup(section);
}
else
{
section[target] = section.CreateObject();
scanner.ReadProperties(section.Schema.Fields, section[target]);
scanner.ReadSections(section.Schema.Sections, section[target]);
}
if (!scanner.TrySkipSectionEnd(section))
{
return;
}
}
}
static void ReadProperties(this TextScanner scanner, IReadOnlyList <FileField> fields, object target)
{
void ReadField(int index)
{
scanner.SkipWhiteSpace();
if (!scanner.Content)
{
return;
}
if (fields.Take(index).Any(f => scanner.TryGetProperty(f, out var value)))
{
return;
}
for (int i = index; i < fields.Count; i++)
{
var field = fields[i];
if (scanner.TryGetProperty(field, out var value))
{
field[target] = FieldConverter.Convert(field.Type, value);
if (scanner.Read())
{
ReadField(i + 1);
}
return;
}
}
if (scanner.Read())
{
if (!fields.Take(index).Any(f => scanner.TryGetProperty(f, out var value)))
{
ReadField(index);
}
}
}
ReadField(0);
}
