|
public static ExtractHashtagEntities ( string text ) : IEnumerable |
||
| text | string | |
| return | IEnumerable |
|
private async Task SetDescriptionAsync(string descriptionText, TwitterEntities entities, CancellationToken cancellationToken)
{
if (descriptionText != null)
{
foreach (var entity in entities.Urls)
{
entity.ExpandedUrl = await ShortUrl.Instance.ExpandUrlAsync(entity.ExpandedUrl);
}
// user.entities には urls 以外のエンティティが含まれていないため、テキストをもとに生成する
entities.Hashtags = TweetExtractor.ExtractHashtagEntities(descriptionText).ToArray();
entities.UserMentions = TweetExtractor.ExtractMentionEntities(descriptionText).ToArray();
var html = TweetFormatter.AutoLinkHtml(descriptionText, entities);
html = this.mainForm.createDetailHtml(html);
if (cancellationToken.IsCancellationRequested)
{
return;
}
this.DescriptionBrowser.DocumentText = html;
}
else
{
this.DescriptionBrowser.DocumentText = "";
}
}
public void ExtractHashtagEntities_SurrogatePairTest()
{
var entity = TweetExtractor.ExtractHashtagEntities("🍣 #sushi").Single();
Assert.Equal(new[] { 2, 8 }, entity.Indices);
Assert.Equal("sushi", entity.Text);
}
private async Task SetDescriptionAsync(string?descriptionText, TwitterEntities?entities, CancellationToken cancellationToken)
{
if (descriptionText != null)
{
var urlEntities = entities?.Urls ?? Array.Empty <TwitterEntityUrl>();
foreach (var entity in urlEntities)
{
entity.ExpandedUrl = await ShortUrl.Instance.ExpandUrlAsync(entity.ExpandedUrl);
}
// user.entities には urls 以外のエンティティが含まれていないため、テキストをもとに生成する
var mergedEntities = urlEntities.AsEnumerable <TwitterEntity>()
.Concat(TweetExtractor.ExtractHashtagEntities(descriptionText))
.Concat(TweetExtractor.ExtractMentionEntities(descriptionText))
.Concat(TweetExtractor.ExtractEmojiEntities(descriptionText));
var html = TweetFormatter.AutoLinkHtml(descriptionText, mergedEntities);
html = this.mainForm.createDetailHtml(html);
if (cancellationToken.IsCancellationRequested)
{
return;
}
this.DescriptionBrowser.DocumentText = html;
}
else
{
this.DescriptionBrowser.DocumentText = "";
}
}
public void ExtractHashtagEntities_Test()
{
var entity = TweetExtractor.ExtractHashtagEntities("hogehoge #test").Single();
// Indices は「#test」の範囲を指すが、Text には「#」を含めない
Assert.Equal(new[] { 9, 14 }, entity.Indices);
Assert.Equal("test", entity.Text);
}
public void ExtractHashtagEntities_MultipleTest()
{
var entities = TweetExtractor.ExtractHashtagEntities("hogehoge #test #test2").ToArray();
Assert.Equal(2, entities.Length);
Assert.Equal(new[] { 9, 14 }, entities[0].Indices);
Assert.Equal("test", entities[0].Text);
Assert.Equal(new[] { 15, 21 }, entities[1].Indices);
Assert.Equal("test2", entities[1].Text);
}
