internal static Task <ArrayBuffer> ReadBytesAsync(string path)
{
var tcs = new TaskCompletionSource <ArrayBuffer>();
if (Script.IsNode)
{
var fs = Script.Write <dynamic>(@"require(""fs"")");
fs.readFile(path, new Action <object, ArrayBuffer>((err, data) => {
if (err != null)
{
throw new IOException();
}
tcs.SetResult(data);
}));
}
else
{
var req = new XMLHttpRequest();
req.Open("GET", path, true);
req.OverrideMimeType("text/plain; charset=binary-data");
req.Send(null);
req.OnReadyStateChange = () => {
if (req.ReadyState != 4)
{
return;
}
if (req.Status != 200)
{
throw new IOException($"Status of request to {path} returned status: {req.Status}");
}
string text = req.ResponseText;
var resultArray = new Uint8Array(text.Length);
text.ToCharArray().ForEach((v, index, array) => resultArray[index] = (byte)(v & byte.MaxValue));
tcs.SetResult(resultArray.Buffer);
};
}
return(tcs.Task);
}
private string loadTextFileAjaxSync(string filePath, string mimeType)
{
var xmlhttp = new XMLHttpRequest();
xmlhttp.Open("GET", filePath, false);
if (mimeType != null)
{
xmlhttp.OverrideMimeType(mimeType);
}
xmlhttp.Send();
if (xmlhttp.Status == 200)
{
return(xmlhttp.ResponseText);
}
else
{
// TODO Throw exception
return(null);
}
}
private void ReadLayerInfos()
{
XMLHttpRequest xmlRequest = new XMLHttpRequest();
xmlRequest.OnReadyStateChange += () =>
{
if (xmlRequest.ReadyState == AjaxReadyState.Done && xmlRequest.Status == 200)
{
List <LayerInfo> layerInfos = new List <LayerInfo>();
HTMLCollection root = xmlRequest.ResponseXML.GetElementsByTagName("LayerInfo");
HTMLCollection elements = xmlRequest.ResponseXML.GetElementsByTagName("Layer");
int i = 0;
foreach (var child in elements)
{
if (child == null)
{
break;
}
int dimensionX = int.Parse(child.GetAttribute("DimensionX"));
int dimensionY = int.Parse(child.GetAttribute("DimensionY"));
layerInfos.Add(new LayerInfo(i, dimensionX, dimensionY));
++i;
}
MapManager.Settings mapSettings;
mapSettings.ImagePrefab = new WebMapTileImage();
mapSettings.LayerInfos = layerInfos;
mapSettings.TileSize = int.Parse(root[0].GetAttribute("TileSize"));
Map = new MapManager(mapSettings, AddToCanvas, RemoveFromCanvas, DrawOnCanvas);
}
};
string docUrl = Document.URL;
docUrl = docUrl.Substring(0, docUrl.LastIndexOf('/'));
xmlRequest.Open("GET", docUrl + "/img/LayerInfo.xml", false);
xmlRequest.OverrideMimeType("text/xml");
xmlRequest.Send();
}
internal static ArrayBuffer ReadBytes(string path)
{
if (Script.IsNode)
{
var fs = Script.Write <dynamic>(@"require(""fs"")");
return((ArrayBuffer)fs.readFileSync(path));
}
else
{
var req = new XMLHttpRequest();
req.Open("GET", path, false);
req.OverrideMimeType("text/plain; charset=binary-data");
req.Send(null);
if (req.Status != 200)
{
throw new IOException($"Status of request to {path} returned status: {req.Status}");
}
string text = req.ResponseText;
var resultArray = new Uint8Array(text.Length);
text.ToCharArray().ForEach((v, index, array) => resultArray[index] = (byte)(v & byte.MaxValue));
return(resultArray.Buffer);
}
}
