static void WriteProperties(this TextWriter writer, FileSection section)
{
foreach (var f in section.Fields)
{
writer.WriteLine($"{f.Name}: {f.Format(section.Object)}");
}
}
static void WriteTable(this TextWriter writer, FileSection section)
{
writer.WriteColumns(section);
foreach (var row in (IList)section.Object)
{
writer.WriteRow(section, row);
}
}
public static void Write <T>(this CdsFile <T> file, TextWriter writer) where T : CdsFile <T>, new()
{
using (writer)
foreach (var section in FileSection.Of(file))
{
writer.WriteSection(section);
}
}
static bool TryReadHeader(this TextReader reader, FileSection section)
{
var line = reader.ReadLine()?.Trim();
return(line != null &&
line.StartsWith("#") &&
line.Contains(section.Text));
}
static bool TryReadColumns(this TextReader reader, FileSection section)
{
var line = reader.ReadLine()?.Trim();
return(line != null &&
line.StartsWith("#") &&
section.Fields.All(f => line.Contains(f.Name)));
}
public static void Read <T>(this CdsFile <T> file, TextReader reader) where T : CdsFile <T>, new()
{
using (reader)
foreach (var section in FileSection.Of(file))
{
section.Object = reader.Read(section);
}
}
static void WriteSection(this TextWriter writer, FileSection section)
{
writer.WriteHeader(section);
if (section.IsTable)
{
writer.WriteTable(section);
}
else
{
writer.WriteProperties(section);
}
writer.WriteLine();
}
static object ReadTable(this TextReader reader, FileSection section)
{
var table = section.CreateTable();
if (!reader.TryReadHeader(section))
{
throw new FormatException($"Section {section.Text} not found or out of order.");
}
if (!reader.TryReadColumns(section))
{
throw new FormatException($"Section {section.Text} is missing some columns.");
}
while (reader.TryReadRow(section, out var row))
{
table.Add(row);
}
return(table);
}
static object ReadProperties(this TextReader reader, FileSection section)
{
var properties = section.CreateObject();
if (!reader.TryReadHeader(section))
{
throw new FormatException($"Section {section.Text} not found or out of order.");
}
var fields = section.Fields
.ToDictionary(f => f.Name);
while (reader.TryReadProperty(out var name, out var value))
{
fields[name][properties] = Convert.ChangeType(value, fields[name].Type);
}
return(properties);
}
static bool TryReadRow(this TextReader reader, FileSection section, out object row)
{
row = section.CreateObject();
var line = reader.ReadLine()?.Trim();
if (string.IsNullOrWhiteSpace(line))
{
return(false);
}
var values = line.Split('|')
.Select((v, i) => new { Value = v.Trim(), Index = i })
.ToDictionary(x => x.Index, x => x.Value);
foreach (var x in section.Fields.Select((f, i) => new { Field = f, Index = i }))
{
x.Field[row] = Convert.ChangeType(values[x.Index], x.Field.Type);
}
return(true);
}
static void WriteRow(this TextWriter writer, FileSection section, object row) =>
writer.WriteLine(string.Join(" | ", from f in section.Fields select f.Format(row)));
static void WriteColumns(this TextWriter writer, FileSection section) =>
writer.WriteLine($"# {string.Join(" | ", from f in section.Fields select f.Name)}");
static void WriteHeader(this TextWriter writer, FileSection section) =>
writer.WriteLine($"# {section.Text}");
static object Read(this TextReader reader, FileSection section) =>
section.IsTable
? reader.ReadTable(section)
: reader.ReadProperties(section);
