private static IEnumerable <Inline> GenerateInlines([NotNull] DependencyObject obj,
[NotNull] string text, [CanBeNull] IEnumerable <TwitterEntity> entities)
{
if (entities == null)
{
foreach (var inline in GenerateInlines(obj, text))
{
yield return(inline);
}
yield break;
}
foreach (var description in TextEntityResolver.ParseText(text, entities))
{
if (!description.IsEntityAvailable)
{
yield return(GenerateText(description.Text));
}
else
{
var entity = description.Entity;
var display = entity.DisplayText;
if (String.IsNullOrEmpty(display))
{
display = entity.OriginalUrl;
}
switch (entity.EntityType)
{
case EntityType.Hashtags:
yield return(GenerateHashtagLink(obj, display));
break;
case EntityType.Media:
case EntityType.Urls:
yield return(GenerateLink(obj, display, ParsingExtension.ResolveEntity(entity.OriginalUrl)));
break;
case EntityType.UserMentions:
yield return
(GenerateUserLink(obj, display, ParsingExtension.ResolveEntity(entity.DisplayText)));
break;
}
}
}
}
private static IEnumerable <Inline> GenerateInlines([CanBeNull] DependencyObject obj,
[CanBeNull] string text, [CanBeNull] IEnumerable <TwitterEntity> entities)
{
if (entities == null)
{
foreach (var inline in GenerateInlines(obj, text))
{
yield return(inline);
}
yield break;
}
foreach (var description in TextEntityResolver.ParseText(text, entities))
{
if (description.Entity == null)
{
yield return(GenerateText(description.Text));
}
else
{
var entity = description.Entity;
if (entity is TwitterHashtagEntity he)
{
yield return(GenerateHashtagLink(obj, he.DisplayText));
}
else if (entity is TwitterSymbolEntity se)
{
yield return(GenerateSymbolLink(obj, se.DisplayText));
}
else if (entity is TwitterMediaEntity me)
{
yield return(GenerateLink(obj, me.DisplayText,
ParsingExtension.ResolveEntity(me.ExpandedUrl)));
}
else if (entity is TwitterUrlEntity ue)
{
yield return(GenerateLink(obj, ue.DisplayText,
ParsingExtension.ResolveEntity(ue.ExpandedUrl)));
}
else if (entity is TwitterUserMentionEntity re)
{
yield return(GenerateUserLink(obj, re.DisplayText,
ParsingExtension.ResolveEntity(re.DisplayText)));
}
}
}
}
public string GetEntityAidedText(EntityDisplayMode displayMode = EntityDisplayMode.DisplayText)
{
try
{
var builder = new StringBuilder();
var status = this;
if (status.RetweetedOriginal != null)
{
// change target
status = status.RetweetedOriginal;
}
foreach (var description in TextEntityResolver.ParseText(status))
{
if (!description.IsEntityAvailable)
{
builder.Append(description.Text);
}
else
{
var entity = description.Entity;
switch (entity.EntityType)
{
case EntityType.Hashtags:
builder.Append("#" + entity.DisplayText);
break;
case EntityType.Urls:
// url entity:
// display_url: example.com/CUTTED OFF...
// original_url => expanded_url: example.com/full_original_url
builder.Append(displayMode == EntityDisplayMode.DisplayText
? ParsingExtension.ResolveEntity(entity.DisplayText)
: ParsingExtension.ResolveEntity(entity.OriginalUrl));
break;
case EntityType.Media:
// media entity:
// display_url: pic.twitter.com/IMAGE_ID
// media_url: pbs.twimg.com/media/ACTUAL_IMAGE_RESOURCE_ID
// url: t.co/IMAGE_ID
builder.Append(
displayMode == EntityDisplayMode.DisplayText
? ParsingExtension.ResolveEntity(entity.DisplayText)
: displayMode == EntityDisplayMode.LinkUri
? ParsingExtension.ResolveEntity(entity.DisplayText)
: ParsingExtension.ResolveEntity(entity.MediaUrl));
break;
case EntityType.UserMentions:
builder.Append("@" + entity.DisplayText);
break;
}
}
}
return(builder.ToString());
}
catch (ArgumentOutOfRangeException ex)
{
var sb = new StringBuilder();
sb.AppendLine("Parse Error! : " + Text);
if (Entities == null)
{
sb.AppendLine("Entities: null");
}
else
{
sb.Append("Entities: ");
Entities.OrderBy(e => e.StartIndex)
.Select(e => e.StartIndex + "- " + e.EndIndex + " : " + e.DisplayText)
.ForEach(s => sb.AppendLine(" " + s));
}
throw new ArgumentOutOfRangeException(sb.ToString(), ex);
}
}
public string GetEntityAidedText(bool showFullUrl = false)
{
try
{
var builder = new StringBuilder();
var status = this;
if (status.RetweetedOriginal != null)
{
// change target
status = status.RetweetedOriginal;
}
foreach (var description in TextEntityResolver.ParseText(status))
{
if (!description.IsEntityAvailable)
{
builder.Append(description.Text);
}
else
{
var entity = description.Entity;
switch (entity.EntityType)
{
case EntityType.Hashtags:
builder.Append("#" + entity.DisplayText);
break;
case EntityType.Urls:
builder.Append(showFullUrl
? ParsingExtension.ResolveEntity(entity.OriginalUrl)
: ParsingExtension.ResolveEntity(entity.DisplayText));
break;
case EntityType.Media:
builder.Append(showFullUrl
? ParsingExtension.ResolveEntity(entity.MediaUrl)
: ParsingExtension.ResolveEntity(entity.DisplayText));
break;
case EntityType.UserMentions:
builder.Append("@" + entity.DisplayText);
break;
}
}
}
return(builder.ToString());
}
catch (ArgumentOutOfRangeException ex)
{
var sb = new StringBuilder();
sb.AppendLine("Parse Error! : " + Text);
if (Entities == null)
{
sb.AppendLine("Entities: null");
}
else
{
sb.Append("Entities: ");
Entities.OrderBy(e => e.StartIndex)
.Select(e => e.StartIndex + "- " + e.EndIndex + " : " + e.DisplayText)
.ForEach(s => sb.AppendLine(" " + s));
}
throw new ArgumentOutOfRangeException(sb.ToString(), ex);
}
}