public bool LoadFromFile(string filename)
{
using (StreamReader sr = new StreamReader(filename, EncodingExtensions.GetEncoding(filename)))
{
return(LoadFromText(sr.ReadToEnd()));
}
}
private string ReadContent(Site site, HttpWebResponse response)
{
MemoryStream memoryStream = new MemoryStream(0x1000);
using (Stream responseStream = response.GetResponseStream())
{
if (responseStream == null)
{
return(string.Empty);
}
else
{
byte[] buffer = new byte[0x1000];
int bytes;
while ((bytes = responseStream.Read(buffer, 0, buffer.Length)) > 0)
{
memoryStream.Write(buffer, 0, bytes);
}
}
}
byte[] contentBytes = memoryStream.StreamToBytes();
contentBytes = PreventCutOff(contentBytes);
if (string.IsNullOrEmpty(site.EncodingName))
{
var charSet = response.CharacterSet;
Encoding htmlCharset = EncodingExtensions.GetEncoding(charSet, contentBytes);
return(htmlCharset.GetString(contentBytes, 0, contentBytes.Length));
}
else
{
return(site.Encoding.GetString(contentBytes, 0, contentBytes.Length));
}
}
public string Chardet(byte[] bytes, int index, int count)
{
var buffer = new byte[count];
Array.Copy(bytes, index, buffer, 0, count);
var encoding = EncodingExtensions.GetEncoding(buffer);
return(encoding.GetString(buffer));
}
private string GenerateMarkdownHtml(string path)
{
var bytes = File.ReadAllBytes(path);
var encoding = EncodingExtensions.GetEncoding(path, bytes.Length);
var md = encoding.GetString(bytes);
md = WebUtility.HtmlEncode(md);
var html = Resources.md2html.Replace("{{content}}", md);
return(html);
}
protected virtual string ReadContent(Site site, HttpResponseMessage response)
{
byte[] contentBytes = response.Content.ReadAsByteArrayAsync().Result;
contentBytes = PreventCutOff(contentBytes);
if (string.IsNullOrWhiteSpace(site.EncodingName))
{
var charSet = response.Content.Headers.ContentType?.CharSet;
Encoding htmlCharset = EncodingExtensions.GetEncoding(charSet, contentBytes);
return(htmlCharset.GetString(contentBytes, 0, contentBytes.Length));
}
return(site.Encoding.GetString(contentBytes, 0, contentBytes.Length));
}
private string ReadContent(HttpResponseMessage response, HttpRequestTask requestTask)
{
byte[] contentBytes = response.Content.ReadAsByteArrayAsync().Result;
contentBytes = PreventCutOff(contentBytes);
if (requestTask.Encoding == null)
{
var charSet = response.Content.Headers.ContentType?.CharSet;
var htmlCharset = EncodingExtensions.GetEncoding(charSet, contentBytes);
return(htmlCharset.GetString(contentBytes, 0, contentBytes.Length));
}
else
{
return(requestTask.Encoding.GetString(contentBytes, 0, contentBytes.Length));
}
}
private string ReadContent(Site site, HttpResponseMessage response)
{
byte[] contentBytes = response.Content.ReadAsByteArrayAsync().Result;
contentBytes = PreventCutOff(contentBytes);
if (string.IsNullOrEmpty(site.EncodingName))
{
var charSet = response.Content.Headers.ContentType == null ? null : response.Content.Headers.ContentType.CharSet;
Encoding htmlCharset = EncodingExtensions.GetEncoding(charSet, contentBytes);
return(htmlCharset.GetString(contentBytes, 0, contentBytes.Length));
}
else
{
return(site.Encoding.GetString(contentBytes, 0, contentBytes.Length));
}
}
public void LoadFile(string path)
{
const int limit = 10000;
var binded = false;
using (var sr = new StreamReader(new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), EncodingExtensions.GetEncoding(path)))
{
//edit by gh
//var conf = new CsvHelper.Configuration.Configuration() {MissingFieldFound = null, BadDataFound = null};
CsvConfiguration conf = new CsvConfiguration(CultureInfo.CurrentCulture);
using (var csv = new CsvReader(sr, conf))
{
var i = 0;
while (csv.Read())
{
List <string> result = new List <string>();
int k = 0;
for (k = 0; csv.TryGetField <string>(k, out string value); k++)
{
result.Add(value);
}
if (!binded)
{
SetupColumnBinding(result.Count + 1);
binded = true;
}
else
{
//补位
for (; k < dataGrid.Columns.Count; k++)
{
result.Add("");
}
}
var row = Concat(new[] { $"{i++ + 1}".PadLeft(6) }, result.ToArray());
if (i > limit)
{
Rows.Add(Enumerable.Repeat("...", row.Length).ToArray());
break;
}
Rows.Add(row);
}
}
/*
* using (var parser = new CsvParser(sr, conf))
* {
* var i = 0;
* while (true)
* {
* var row = parser.Read();
* if (row == null)
* break;
* row = Concat(new[] { $"{i++ + 1}".PadLeft(6) }, row);
*
* if (!binded)
* {
* SetupColumnBinding(row.Length);
* binded = true;
* }
*
* if (i > limit)
* {
* Rows.Add(Enumerable.Repeat("...", row.Length).ToArray());
* break;
* }
*
* Rows.Add(row);
* }
* }
*/
//-------------------//
}
}
private void LoadFileAsync(string path)
{
Task.Run(() =>
{
const int maxLength = 5 * 1024 * 1024;
const int maxHighlightingLength = (int)(0.5 * 1024 * 1024);
var buffer = new MemoryStream();
bool fileTooLong;
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
fileTooLong = fs.Length > maxLength;
while (fs.Position < fs.Length && buffer.Length < maxLength)
{
if (_disposed)
{
break;
}
var lb = new byte[8192];
int len = fs.Read(lb, 0, lb.Length);
buffer.Write(lb, 0, len);
}
}
if (_disposed)
{
return;
}
if (fileTooLong)
{
_context.Title += " (0 ~ 5MB)";
}
var bufferCopy = buffer.ToArray();
buffer.Dispose();
//edit by gh -
//使用NChardet解决大部分编码识别问题
var encoding = EncodingExtensions.GetEncoding(path, bufferCopy.Length);
//var encoding = EncodingExtensions.GetEncoding_utf(bufferCopy);
//-----------
var doc = new TextDocument(encoding.GetString(bufferCopy));
doc.SetOwnerThread(Dispatcher.Thread);
if (_disposed)
{
return;
}
Dispatcher.BeginInvoke(new Action(() =>
{
Encoding = encoding;
SyntaxHighlighting = bufferCopy.Length > maxHighlightingLength
? null
: HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(path));
Document = doc;
_context.IsBusy = false;
}), DispatcherPriority.Render);
});
}
