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Keep tags sorted when adding everyone/here mentions

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This commit is contained in:
RogueException
2017-04-01 21:47:04 -03:00
parent a7f50e7f59
commit aae2667fed
1 changed files with 14 additions and 9 deletions
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23
src/Discord.Net.Rest/Entities/Messages/MessageHelper.cs
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@@ -126,8 +126,9 @@ namespace Discord.Rest
index = text.IndexOf("@everyone", index);
if (index == -1) break;
if (!TagOverlaps(tags, index))
tags.Add(new Tag<object>(TagType.EveryoneMention, index, "@everyone".Length, 0, null));
var tagIndex = FindIndex(tags, index);
if (tagIndex.HasValue)
tags.Insert(tagIndex.Value, new Tag<object>(TagType.EveryoneMention, index, "@everyone".Length, 0, null));
index++;
}
@@ -137,22 +138,26 @@ namespace Discord.Rest
index = text.IndexOf("@here", index);
if (index == -1) break;
if (!TagOverlaps(tags, index))
tags.Add(new Tag<object>(TagType.HereMention, index, "@here".Length, 0, null));
var tagIndex = FindIndex(tags, index);
if (tagIndex.HasValue)
tags.Insert(tagIndex.Value, new Tag<object>(TagType.HereMention, index, "@here".Length, 0, null));
index++;
}
return tags.ToImmutable();
}
private static bool TagOverlaps(IReadOnlyList<ITag> tags, int index)
private static int? FindIndex(IReadOnlyList<ITag> tags, int index)
{
for (int i = 0; i < tags.Count; i++)
int i = 0;
for (; i < tags.Count; i++)
{
var tag = tags[i];
if (index >= tag.Index && index < tag.Index + tag.Length)
return true;
if (index < tag.Index)
break; //Position before this tag
}
return false;
if (i > 0 && index < tags[i - 1].Index + tags[i - 1].Length)
return null; //Overlaps tag before this
return i;
}
public static ImmutableArray<ulong> FilterTagsByKey(TagType type, ImmutableArray<ITag> tags)
{