// [Test]
// [TestCase("http://www.w3.org/", "utf-8")]
public void ShouldGetCharsetFromResponse(string url, string expectedCharset)
{
var analizer = new CharsetAnalizer();
var charset = analizer.GetCharsetForUrl(url);
Assert.AreEqual(0, string.Compare(expectedCharset, charset, StringComparison.OrdinalIgnoreCase));
}
public void ShouldParseMetaTag(string input, string expectedCharset)
{
var analizer = new CharsetAnalizer();
var charset = analizer.GetCharsetFromMetadata(input);
Assert.AreEqual(0, string.Compare(expectedCharset, charset, StringComparison.OrdinalIgnoreCase));
}
public void ShouldAutodetectCharset(string filePath, string expectedCharset)
{
var stream = File.OpenRead(filePath);
var analizer = new CharsetAnalizer();
var charset = analizer.AutoDetectCharset(stream);
Assert.AreEqual(0, string.Compare(expectedCharset, charset, StringComparison.OrdinalIgnoreCase));
}
private static string GetCharset(Stream stream)
{
stream.Seek(0, SeekOrigin.Begin);
var sr = new StreamReader(stream);
var text = sr.ReadToEnd();
var analizer = new CharsetAnalizer();
var metaCharset = analizer.GetCharsetFromMetadata(text);
if (!string.IsNullOrEmpty(metaCharset))
{
return(metaCharset);
}
stream.Seek(0, SeekOrigin.Begin);
var autoCharset = analizer.AutoDetectCharset(stream);
return(!string.IsNullOrEmpty(autoCharset)
? autoCharset
: null);
}
private string GetCharset(byte[] content)
{
var analizer = new CharsetAnalizer();
var asciiStr = Encoding.ASCII.GetString(content);
var metaCharset = analizer.GetCharsetFromMetadata(asciiStr);
if (!string.IsNullOrEmpty(metaCharset))
{
return(metaCharset);
}
using (var ms = new MemoryStream(content))
{
var autoCharset = analizer.AutoDetectCharset(ms);
if (!string.IsNullOrEmpty(autoCharset))
{
return(autoCharset);
}
return(null);
}
}