private Tuple <string, string[]> ParseLoc(string loc)
{
List <string> locs = new List <string>();
string itemId = null;
foreach (string token in loc.Split(new[] { ' ' },
StringSplitOptions.RemoveEmptyEntries))
{
JsonTextIndexPayload a = _textIndex.Find(token);
if (a == null)
{
Logger?.LogError("Word ID {WordId} not found", token);
return(null);
}
if (itemId == null)
{
itemId = a.ItemId;
}
else if (a.ItemId != itemId)
{
Logger?.LogError("Fragment spans two items: {Loc}", loc);
return(null);
}
locs.Add($"{a.Y}.{a.X}");
}
return(Tuple.Create(itemId, locs.ToArray()));
}
private Tuple <string, string> ParseFromTo(XElement appElem)
{
string from = appElem.Attribute("from").Value.Substring(1);
string to = appElem.Attribute("to").Value.Substring(1);
JsonTextIndexPayload a = _textIndex.Find(from);
if (a == null)
{
Logger?.LogError("Word ID {WordId} not found", from);
return(null);
}
// range
if (from != to)
{
JsonTextIndexPayload b = _textIndex.Find(to);
if (b == null)
{
Logger?.LogError("Word ID {WordId} not found", to);
return(null);
}
if (b.ItemId != a.ItemId)
{
Logger?.LogError("Fragment spans two items: {FromLoc} {ToLoc}",
a, b);
return(null);
}
return(Tuple.Create(a.ItemId, $"{a.Y}.{a.X}-{b.Y}.{b.X}"));
}
// point
return(Tuple.Create(a.ItemId, $"{a.Y}.{a.X}"));
}
/// <summary>
/// Index data from the specified stream, adding them to this index.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="text">True to include also each tile's text in the
/// index payload; false to exclude it (default).</param>
/// <exception cref="ArgumentNullException">stream</exception>
public void Index(Stream stream, bool text = false)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
using (JsonDocument doc = JsonDocument.Parse(stream, new JsonDocumentOptions
{
AllowTrailingCommas = true
}))
{
// item
foreach (JsonElement itemElem in doc.RootElement.EnumerateArray())
{
// item/id
string itemId = itemElem.GetProperty("id").GetString();
// item/parts
JsonElement partElem =
itemElem.GetProperty("parts").EnumerateArray().First();
// item/parts[0]/rows
int y = 0;
foreach (JsonElement rowElem in partElem.GetProperty("rows")
.EnumerateArray())
{
y++;
int x = 0;
foreach (JsonElement tileElem in
rowElem.GetProperty("tiles").EnumerateArray())
{
x++;
string tileId = tileElem
.GetProperty("data")
.GetProperty("id").GetString();
JsonTextIndexPayload payload =
new JsonTextIndexPayload(itemId, y, x);
if (text)
{
payload.Text = tileElem.GetProperty("data")
.GetProperty("text").GetString();
}
_index[tileId] = payload;
}
}
}
}
}