Normalize all the line endings

This commit is contained in:
Dean Herbert
2018-04-13 18:19:50 +09:00
parent f99503b60c
commit 32a74f95a5
1069 changed files with 95293 additions and 95293 deletions

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@ -1,105 +1,105 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using osu.Framework.Configuration;
using osu.Framework.Lists;
namespace osu.Game.Online.Chat
{
public class Channel
{
[JsonProperty(@"name")]
public string Name;
[JsonProperty(@"description")]
public string Topic;
[JsonProperty(@"type")]
public string Type;
[JsonProperty(@"channel_id")]
public int Id;
public readonly SortedList<Message> Messages = new SortedList<Message>(Comparer<Message>.Default);
private readonly List<LocalEchoMessage> pendingMessages = new List<LocalEchoMessage>();
public Bindable<bool> Joined = new Bindable<bool>();
public bool ReadOnly => false;
public const int MAX_HISTORY = 300;
[JsonConstructor]
public Channel()
{
}
public event Action<IEnumerable<Message>> NewMessagesArrived;
public event Action<LocalEchoMessage, Message> PendingMessageResolved;
public event Action<Message> MessageRemoved;
public void AddLocalEcho(LocalEchoMessage message)
{
pendingMessages.Add(message);
Messages.Add(message);
NewMessagesArrived?.Invoke(new[] { message });
}
public void AddNewMessages(params Message[] messages)
{
messages = messages.Except(Messages).ToArray();
Messages.AddRange(messages);
purgeOldMessages();
NewMessagesArrived?.Invoke(messages);
}
private void purgeOldMessages()
{
// never purge local echos
int messageCount = Messages.Count - pendingMessages.Count;
if (messageCount > MAX_HISTORY)
Messages.RemoveRange(0, messageCount - MAX_HISTORY);
}
/// <summary>
/// Replace or remove a message from the channel.
/// </summary>
/// <param name="echo">The local echo message (client-side).</param>
/// <param name="final">The response message, or null if the message became invalid.</param>
public void ReplaceMessage(LocalEchoMessage echo, Message final)
{
if (!pendingMessages.Remove(echo))
throw new InvalidOperationException("Attempted to remove echo that wasn't present");
Messages.Remove(echo);
if (final == null)
{
MessageRemoved?.Invoke(echo);
return;
}
if (Messages.Contains(final))
{
// message already inserted, so let's throw away this update.
// we may want to handle this better in the future, but for the time being api requests are single-threaded so order is assumed.
MessageRemoved?.Invoke(echo);
return;
}
Messages.Add(final);
PendingMessageResolved?.Invoke(echo, final);
}
public override string ToString() => Name;
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using osu.Framework.Configuration;
using osu.Framework.Lists;
namespace osu.Game.Online.Chat
{
public class Channel
{
[JsonProperty(@"name")]
public string Name;
[JsonProperty(@"description")]
public string Topic;
[JsonProperty(@"type")]
public string Type;
[JsonProperty(@"channel_id")]
public int Id;
public readonly SortedList<Message> Messages = new SortedList<Message>(Comparer<Message>.Default);
private readonly List<LocalEchoMessage> pendingMessages = new List<LocalEchoMessage>();
public Bindable<bool> Joined = new Bindable<bool>();
public bool ReadOnly => false;
public const int MAX_HISTORY = 300;
[JsonConstructor]
public Channel()
{
}
public event Action<IEnumerable<Message>> NewMessagesArrived;
public event Action<LocalEchoMessage, Message> PendingMessageResolved;
public event Action<Message> MessageRemoved;
public void AddLocalEcho(LocalEchoMessage message)
{
pendingMessages.Add(message);
Messages.Add(message);
NewMessagesArrived?.Invoke(new[] { message });
}
public void AddNewMessages(params Message[] messages)
{
messages = messages.Except(Messages).ToArray();
Messages.AddRange(messages);
purgeOldMessages();
NewMessagesArrived?.Invoke(messages);
}
private void purgeOldMessages()
{
// never purge local echos
int messageCount = Messages.Count - pendingMessages.Count;
if (messageCount > MAX_HISTORY)
Messages.RemoveRange(0, messageCount - MAX_HISTORY);
}
/// <summary>
/// Replace or remove a message from the channel.
/// </summary>
/// <param name="echo">The local echo message (client-side).</param>
/// <param name="final">The response message, or null if the message became invalid.</param>
public void ReplaceMessage(LocalEchoMessage echo, Message final)
{
if (!pendingMessages.Remove(echo))
throw new InvalidOperationException("Attempted to remove echo that wasn't present");
Messages.Remove(echo);
if (final == null)
{
MessageRemoved?.Invoke(echo);
return;
}
if (Messages.Contains(final))
{
// message already inserted, so let's throw away this update.
// we may want to handle this better in the future, but for the time being api requests are single-threaded so order is assumed.
MessageRemoved?.Invoke(echo);
return;
}
Messages.Add(final);
PendingMessageResolved?.Invoke(echo, final);
}
public override string ToString() => Name;
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Graphics.Cursor;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using OpenTK;
namespace osu.Game.Online.Chat
{
/// <summary>
/// An invisible drawable that brings multiple <see cref="SpriteText"/> pieces together to form a consumable clickable link.
/// </summary>
public class DrawableLinkCompiler : OsuHoverContainer, IHasTooltip
{
/// <summary>
/// Each word part of a chat link (split for word-wrap support).
/// </summary>
public List<SpriteText> Parts;
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
protected override HoverClickSounds CreateHoverClickSounds(HoverSampleSet sampleSet) => new LinkHoverSounds(sampleSet, Parts);
public DrawableLinkCompiler(IEnumerable<SpriteText> parts)
{
Parts = parts.ToList();
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
IdleColour = colours.Blue;
}
protected override IEnumerable<Drawable> EffectTargets => Parts;
public string TooltipText { get; set; }
private class LinkHoverSounds : HoverClickSounds
{
private readonly List<SpriteText> parts;
public LinkHoverSounds(HoverSampleSet sampleSet, List<SpriteText> parts)
: base(sampleSet)
{
this.parts = parts;
}
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Graphics.Cursor;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using OpenTK;
namespace osu.Game.Online.Chat
{
/// <summary>
/// An invisible drawable that brings multiple <see cref="SpriteText"/> pieces together to form a consumable clickable link.
/// </summary>
public class DrawableLinkCompiler : OsuHoverContainer, IHasTooltip
{
/// <summary>
/// Each word part of a chat link (split for word-wrap support).
/// </summary>
public List<SpriteText> Parts;
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
protected override HoverClickSounds CreateHoverClickSounds(HoverSampleSet sampleSet) => new LinkHoverSounds(sampleSet, Parts);
public DrawableLinkCompiler(IEnumerable<SpriteText> parts)
{
Parts = parts.ToList();
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
IdleColour = colours.Blue;
}
protected override IEnumerable<Drawable> EffectTargets => Parts;
public string TooltipText { get; set; }
private class LinkHoverSounds : HoverClickSounds
{
private readonly List<SpriteText> parts;
public LinkHoverSounds(HoverSampleSet sampleSet, List<SpriteText> parts)
: base(sampleSet)
{
this.parts = parts;
}
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
}
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
namespace osu.Game.Online.Chat
{
public class ErrorMessage : InfoMessage
{
public ErrorMessage(string message) : base(message)
{
Sender.Colour = @"ff0000";
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
namespace osu.Game.Online.Chat
{
public class ErrorMessage : InfoMessage
{
public ErrorMessage(string message) : base(message)
{
Sender.Colour = @"ff0000";
}
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Game.Users;
namespace osu.Game.Online.Chat
{
public class InfoMessage : Message
{
private static int infoID = -1;
public InfoMessage(string message) : base(infoID--)
{
Timestamp = DateTimeOffset.Now;
Content = message;
Sender = new User
{
Username = @"system",
Colour = @"0000ff",
};
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Game.Users;
namespace osu.Game.Online.Chat
{
public class InfoMessage : Message
{
private static int infoID = -1;
public InfoMessage(string message) : base(infoID--)
{
Timestamp = DateTimeOffset.Now;
Content = message;
Sender = new User
{
Username = @"system",
Colour = @"0000ff",
};
}
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
namespace osu.Game.Online.Chat
{
public class LocalEchoMessage : Message
{
public LocalEchoMessage() : base(null)
{
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
namespace osu.Game.Online.Chat
{
public class LocalEchoMessage : Message
{
public LocalEchoMessage() : base(null)
{
}
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.ComponentModel;
using Newtonsoft.Json;
using osu.Game.Users;
namespace osu.Game.Online.Chat
{
public class Message : IComparable<Message>, IEquatable<Message>
{
[JsonProperty(@"message_id")]
public readonly long? Id;
//todo: this should be inside sender.
[JsonProperty(@"sender_id")]
public int UserId;
[JsonProperty(@"target_type")]
public TargetType TargetType;
[JsonProperty(@"target_id")]
public int TargetId;
[JsonProperty(@"is_action")]
public bool IsAction;
[JsonProperty(@"timestamp")]
public DateTimeOffset Timestamp;
[JsonProperty(@"content")]
public string Content;
[JsonProperty(@"sender")]
public User Sender;
[JsonConstructor]
public Message()
{
}
/// <summary>
/// The text that is displayed in chat.
/// </summary>
public string DisplayContent { get; set; }
/// <summary>
/// The links found in this message.
/// </summary>
/// <remarks>The <see cref="Link"/>s' <see cref="Link.Index"/> and <see cref="Link.Length"/>s are according to <see cref="DisplayContent"/></remarks>
public List<Link> Links;
public Message(long? id)
{
Id = id;
}
public int CompareTo(Message other)
{
if (!Id.HasValue)
return other.Id.HasValue ? 1 : Timestamp.CompareTo(other.Timestamp);
if (!other.Id.HasValue)
return -1;
return Id.Value.CompareTo(other.Id.Value);
}
public virtual bool Equals(Message other) => Id == other?.Id;
// ReSharper disable once ImpureMethodCallOnReadonlyValueField
public override int GetHashCode() => Id.GetHashCode();
}
public enum TargetType
{
[Description(@"channel")]
Channel,
[Description(@"user")]
User
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.ComponentModel;
using Newtonsoft.Json;
using osu.Game.Users;
namespace osu.Game.Online.Chat
{
public class Message : IComparable<Message>, IEquatable<Message>
{
[JsonProperty(@"message_id")]
public readonly long? Id;
//todo: this should be inside sender.
[JsonProperty(@"sender_id")]
public int UserId;
[JsonProperty(@"target_type")]
public TargetType TargetType;
[JsonProperty(@"target_id")]
public int TargetId;
[JsonProperty(@"is_action")]
public bool IsAction;
[JsonProperty(@"timestamp")]
public DateTimeOffset Timestamp;
[JsonProperty(@"content")]
public string Content;
[JsonProperty(@"sender")]
public User Sender;
[JsonConstructor]
public Message()
{
}
/// <summary>
/// The text that is displayed in chat.
/// </summary>
public string DisplayContent { get; set; }
/// <summary>
/// The links found in this message.
/// </summary>
/// <remarks>The <see cref="Link"/>s' <see cref="Link.Index"/> and <see cref="Link.Length"/>s are according to <see cref="DisplayContent"/></remarks>
public List<Link> Links;
public Message(long? id)
{
Id = id;
}
public int CompareTo(Message other)
{
if (!Id.HasValue)
return other.Id.HasValue ? 1 : Timestamp.CompareTo(other.Timestamp);
if (!other.Id.HasValue)
return -1;
return Id.Value.CompareTo(other.Id.Value);
}
public virtual bool Equals(Message other) => Id == other?.Id;
// ReSharper disable once ImpureMethodCallOnReadonlyValueField
public override int GetHashCode() => Id.GetHashCode();
}
public enum TargetType
{
[Description(@"channel")]
Channel,
[Description(@"user")]
User
}
}

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace osu.Game.Online.Chat
{
public static class MessageFormatter
{
// [[Performance Points]] -> wiki:Performance Points (https://osu.ppy.sh/wiki/Performance_Points)
private static readonly Regex wiki_regex = new Regex(@"\[\[([^\]]+)\]\]");
// (test)[https://osu.ppy.sh/b/1234] -> test (https://osu.ppy.sh/b/1234)
private static readonly Regex old_link_regex = new Regex(@"\(([^\)]*)\)\[([a-z]+://[^ ]+)\]");
// [https://osu.ppy.sh/b/1234 Beatmap [Hard] (poop)] -> Beatmap [hard] (poop) (https://osu.ppy.sh/b/1234)
private static readonly Regex new_link_regex = new Regex(@"\[([a-z]+://[^ ]+) ([^\[\]]*(((?<open>\[)[^\[\]]*)+((?<close-open>\])[^\[\]]*)+)*(?(open)(?!)))\]");
// [test](https://osu.ppy.sh/b/1234) -> test (https://osu.ppy.sh/b/1234) aka correct markdown format
private static readonly Regex markdown_link_regex = new Regex(@"\[([^\]]*)\]\(([a-z]+://[^ ]+)\)");
// advanced, RFC-compatible regular expression that matches any possible URL, *but* allows certain invalid characters that are widely used
// This is in the format (<required>, [optional]):
// http[s]://<domain>.<tld>[:port][/path][?query][#fragment]
private static readonly Regex advanced_link_regex = new Regex(
// protocol
@"(?<link>[a-z]*?:\/\/" +
// domain + tld
@"(?<domain>(?:[a-z0-9]\.|[a-z0-9][a-z0-9-]*[a-z0-9]\.)*[a-z0-9-]*[a-z0-9]" +
// port (optional)
@"(?::\d+)?)" +
// path (optional)
@"(?<path>(?:(?:\/+(?:[a-z0-9$_\.\+!\*\',;:\(\)@&~=-]|%[0-9a-f]{2})*)*" +
// query (optional)
@"(?:\?(?:[a-z0-9$_\+!\*\',;:\(\)@&=\/~-]|%[0-9a-f]{2})*)?)?" +
// fragment (optional)
@"(?:#(?:[a-z0-9$_\+!\*\',;:\(\)@&=\/~-]|%[0-9a-f]{2})*)?)?)",
RegexOptions.IgnoreCase);
// 00:00:000 (1,2,3) - test
private static readonly Regex time_regex = new Regex(@"\d\d:\d\d:\d\d\d? [^-]*");
// #osu
private static readonly Regex channel_regex = new Regex(@"(#[a-zA-Z]+[a-zA-Z0-9]+)");
// Unicode emojis
private static readonly Regex emoji_regex = new Regex(@"(\uD83D[\uDC00-\uDE4F])");
private static void handleMatches(Regex regex, string display, string link, MessageFormatterResult result, int startIndex = 0, LinkAction? linkActionOverride = null)
{
int captureOffset = 0;
foreach (Match m in regex.Matches(result.Text, startIndex))
{
var index = m.Index - captureOffset;
var displayText = string.Format(display,
m.Groups[0],
m.Groups.Count > 1 ? m.Groups[1].Value : "",
m.Groups.Count > 2 ? m.Groups[2].Value : "").Trim();
var linkText = string.Format(link,
m.Groups[0],
m.Groups.Count > 1 ? m.Groups[1].Value : "",
m.Groups.Count > 2 ? m.Groups[2].Value : "").Trim();
if (displayText.Length == 0 || linkText.Length == 0) continue;
// Check for encapsulated links
if (result.Links.Find(l => l.Index <= index && l.Index + l.Length >= index + m.Length || index <= l.Index && index + m.Length >= l.Index + l.Length) == null)
{
result.Text = result.Text.Remove(index, m.Length).Insert(index, displayText);
//since we just changed the line display text, offset any already processed links.
result.Links.ForEach(l => l.Index -= l.Index > index ? m.Length - displayText.Length : 0);
var details = getLinkDetails(linkText);
result.Links.Add(new Link(linkText, index, displayText.Length, linkActionOverride ?? details.Action, details.Argument));
//adjust the offset for processing the current matches group.
captureOffset += m.Length - displayText.Length;
}
}
}
private static void handleAdvanced(Regex regex, MessageFormatterResult result, int startIndex = 0)
{
foreach (Match m in regex.Matches(result.Text, startIndex))
{
var index = m.Index;
var link = m.Groups["link"].Value;
var indexLength = link.Length;
var details = getLinkDetails(link);
result.Links.Add(new Link(link, index, indexLength, details.Action, details.Argument));
}
}
private static LinkDetails getLinkDetails(string url)
{
var args = url.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
args[0] = args[0].TrimEnd(':');
switch (args[0])
{
case "http":
case "https":
// length > 3 since all these links need another argument to work
if (args.Length > 3 && (args[1] == "osu.ppy.sh" || args[1] == "new.ppy.sh"))
{
switch (args[2])
{
case "b":
case "beatmaps":
return new LinkDetails(LinkAction.OpenBeatmap, args[3]);
case "s":
case "beatmapsets":
case "d":
return new LinkDetails(LinkAction.OpenBeatmapSet, args[3]);
case "u":
return new LinkDetails(LinkAction.OpenUserProfile, args[3]);
}
}
return new LinkDetails(LinkAction.External, null);
case "osu":
// every internal link also needs some kind of argument
if (args.Length < 3)
return new LinkDetails(LinkAction.External, null);
LinkAction linkType;
switch (args[1])
{
case "chan":
linkType = LinkAction.OpenChannel;
break;
case "edit":
linkType = LinkAction.OpenEditorTimestamp;
break;
case "b":
linkType = LinkAction.OpenBeatmap;
break;
case "s":
case "dl":
linkType = LinkAction.OpenBeatmapSet;
break;
case "spectate":
linkType = LinkAction.Spectate;
break;
case "u":
linkType = LinkAction.OpenUserProfile;
break;
default:
linkType = LinkAction.External;
break;
}
return new LinkDetails(linkType, args[2]);
case "osump":
return new LinkDetails(LinkAction.JoinMultiplayerMatch, args[1]);
default:
return new LinkDetails(LinkAction.External, null);
}
}
private static MessageFormatterResult format(string toFormat, int startIndex = 0, int space = 3)
{
var result = new MessageFormatterResult(toFormat);
// handle the [link display] format
handleMatches(new_link_regex, "{2}", "{1}", result, startIndex);
// handle the standard markdown []() format
handleMatches(markdown_link_regex, "{1}", "{2}", result, startIndex);
// handle the ()[] link format
handleMatches(old_link_regex, "{1}", "{2}", result, startIndex);
// handle wiki links
handleMatches(wiki_regex, "{1}", "https://osu.ppy.sh/wiki/{1}", result, startIndex);
// handle bare links
handleAdvanced(advanced_link_regex, result, startIndex);
// handle editor times
handleMatches(time_regex, "{0}", "osu://edit/{0}", result, startIndex, LinkAction.OpenEditorTimestamp);
// handle channels
handleMatches(channel_regex, "{0}", "osu://chan/{0}", result, startIndex, LinkAction.OpenChannel);
var empty = "";
while (space-- > 0)
empty += "\0";
handleMatches(emoji_regex, empty, "{0}", result, startIndex);
return result;
}
public static Message FormatMessage(Message inputMessage)
{
var result = format(inputMessage.Content);
inputMessage.DisplayContent = result.Text;
// Sometimes, regex matches are not in order
result.Links.Sort();
inputMessage.Links = result.Links;
return inputMessage;
}
public static MessageFormatterResult FormatText(string text)
{
var result = format(text);
result.Links.Sort();
return result;
}
public class MessageFormatterResult
{
public List<Link> Links = new List<Link>();
public string Text;
public string OriginalText;
public MessageFormatterResult(string text)
{
OriginalText = Text = text;
}
}
public class LinkDetails
{
public LinkAction Action;
public string Argument;
public LinkDetails(LinkAction action, string argument)
{
Action = action;
Argument = argument;
}
}
}
public enum LinkAction
{
External,
OpenBeatmap,
OpenBeatmapSet,
OpenChannel,
OpenEditorTimestamp,
JoinMultiplayerMatch,
Spectate,
OpenUserProfile,
}
public class Link : IComparable<Link>
{
public string Url;
public int Index;
public int Length;
public LinkAction Action;
public string Argument;
public Link(string url, int startIndex, int length, LinkAction action, string argument)
{
Url = url;
Index = startIndex;
Length = length;
Action = action;
Argument = argument;
}
public int CompareTo(Link otherLink) => Index > otherLink.Index ? 1 : -1;
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace osu.Game.Online.Chat
{
public static class MessageFormatter
{
// [[Performance Points]] -> wiki:Performance Points (https://osu.ppy.sh/wiki/Performance_Points)
private static readonly Regex wiki_regex = new Regex(@"\[\[([^\]]+)\]\]");
// (test)[https://osu.ppy.sh/b/1234] -> test (https://osu.ppy.sh/b/1234)
private static readonly Regex old_link_regex = new Regex(@"\(([^\)]*)\)\[([a-z]+://[^ ]+)\]");
// [https://osu.ppy.sh/b/1234 Beatmap [Hard] (poop)] -> Beatmap [hard] (poop) (https://osu.ppy.sh/b/1234)
private static readonly Regex new_link_regex = new Regex(@"\[([a-z]+://[^ ]+) ([^\[\]]*(((?<open>\[)[^\[\]]*)+((?<close-open>\])[^\[\]]*)+)*(?(open)(?!)))\]");
// [test](https://osu.ppy.sh/b/1234) -> test (https://osu.ppy.sh/b/1234) aka correct markdown format
private static readonly Regex markdown_link_regex = new Regex(@"\[([^\]]*)\]\(([a-z]+://[^ ]+)\)");
// advanced, RFC-compatible regular expression that matches any possible URL, *but* allows certain invalid characters that are widely used
// This is in the format (<required>, [optional]):
// http[s]://<domain>.<tld>[:port][/path][?query][#fragment]
private static readonly Regex advanced_link_regex = new Regex(
// protocol
@"(?<link>[a-z]*?:\/\/" +
// domain + tld
@"(?<domain>(?:[a-z0-9]\.|[a-z0-9][a-z0-9-]*[a-z0-9]\.)*[a-z0-9-]*[a-z0-9]" +
// port (optional)
@"(?::\d+)?)" +
// path (optional)
@"(?<path>(?:(?:\/+(?:[a-z0-9$_\.\+!\*\',;:\(\)@&~=-]|%[0-9a-f]{2})*)*" +
// query (optional)
@"(?:\?(?:[a-z0-9$_\+!\*\',;:\(\)@&=\/~-]|%[0-9a-f]{2})*)?)?" +
// fragment (optional)
@"(?:#(?:[a-z0-9$_\+!\*\',;:\(\)@&=\/~-]|%[0-9a-f]{2})*)?)?)",
RegexOptions.IgnoreCase);
// 00:00:000 (1,2,3) - test
private static readonly Regex time_regex = new Regex(@"\d\d:\d\d:\d\d\d? [^-]*");
// #osu
private static readonly Regex channel_regex = new Regex(@"(#[a-zA-Z]+[a-zA-Z0-9]+)");
// Unicode emojis
private static readonly Regex emoji_regex = new Regex(@"(\uD83D[\uDC00-\uDE4F])");
private static void handleMatches(Regex regex, string display, string link, MessageFormatterResult result, int startIndex = 0, LinkAction? linkActionOverride = null)
{
int captureOffset = 0;
foreach (Match m in regex.Matches(result.Text, startIndex))
{
var index = m.Index - captureOffset;
var displayText = string.Format(display,
m.Groups[0],
m.Groups.Count > 1 ? m.Groups[1].Value : "",
m.Groups.Count > 2 ? m.Groups[2].Value : "").Trim();
var linkText = string.Format(link,
m.Groups[0],
m.Groups.Count > 1 ? m.Groups[1].Value : "",
m.Groups.Count > 2 ? m.Groups[2].Value : "").Trim();
if (displayText.Length == 0 || linkText.Length == 0) continue;
// Check for encapsulated links
if (result.Links.Find(l => l.Index <= index && l.Index + l.Length >= index + m.Length || index <= l.Index && index + m.Length >= l.Index + l.Length) == null)
{
result.Text = result.Text.Remove(index, m.Length).Insert(index, displayText);
//since we just changed the line display text, offset any already processed links.
result.Links.ForEach(l => l.Index -= l.Index > index ? m.Length - displayText.Length : 0);
var details = getLinkDetails(linkText);
result.Links.Add(new Link(linkText, index, displayText.Length, linkActionOverride ?? details.Action, details.Argument));
//adjust the offset for processing the current matches group.
captureOffset += m.Length - displayText.Length;
}
}
}
private static void handleAdvanced(Regex regex, MessageFormatterResult result, int startIndex = 0)
{
foreach (Match m in regex.Matches(result.Text, startIndex))
{
var index = m.Index;
var link = m.Groups["link"].Value;
var indexLength = link.Length;
var details = getLinkDetails(link);
result.Links.Add(new Link(link, index, indexLength, details.Action, details.Argument));
}
}
private static LinkDetails getLinkDetails(string url)
{
var args = url.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
args[0] = args[0].TrimEnd(':');
switch (args[0])
{
case "http":
case "https":
// length > 3 since all these links need another argument to work
if (args.Length > 3 && (args[1] == "osu.ppy.sh" || args[1] == "new.ppy.sh"))
{
switch (args[2])
{
case "b":
case "beatmaps":
return new LinkDetails(LinkAction.OpenBeatmap, args[3]);
case "s":
case "beatmapsets":
case "d":
return new LinkDetails(LinkAction.OpenBeatmapSet, args[3]);
case "u":
return new LinkDetails(LinkAction.OpenUserProfile, args[3]);
}
}
return new LinkDetails(LinkAction.External, null);
case "osu":
// every internal link also needs some kind of argument
if (args.Length < 3)
return new LinkDetails(LinkAction.External, null);
LinkAction linkType;
switch (args[1])
{
case "chan":
linkType = LinkAction.OpenChannel;
break;
case "edit":
linkType = LinkAction.OpenEditorTimestamp;
break;
case "b":
linkType = LinkAction.OpenBeatmap;
break;
case "s":
case "dl":
linkType = LinkAction.OpenBeatmapSet;
break;
case "spectate":
linkType = LinkAction.Spectate;
break;
case "u":
linkType = LinkAction.OpenUserProfile;
break;
default:
linkType = LinkAction.External;
break;
}
return new LinkDetails(linkType, args[2]);
case "osump":
return new LinkDetails(LinkAction.JoinMultiplayerMatch, args[1]);
default:
return new LinkDetails(LinkAction.External, null);
}
}
private static MessageFormatterResult format(string toFormat, int startIndex = 0, int space = 3)
{
var result = new MessageFormatterResult(toFormat);
// handle the [link display] format
handleMatches(new_link_regex, "{2}", "{1}", result, startIndex);
// handle the standard markdown []() format
handleMatches(markdown_link_regex, "{1}", "{2}", result, startIndex);
// handle the ()[] link format
handleMatches(old_link_regex, "{1}", "{2}", result, startIndex);
// handle wiki links
handleMatches(wiki_regex, "{1}", "https://osu.ppy.sh/wiki/{1}", result, startIndex);
// handle bare links
handleAdvanced(advanced_link_regex, result, startIndex);
// handle editor times
handleMatches(time_regex, "{0}", "osu://edit/{0}", result, startIndex, LinkAction.OpenEditorTimestamp);
// handle channels
handleMatches(channel_regex, "{0}", "osu://chan/{0}", result, startIndex, LinkAction.OpenChannel);
var empty = "";
while (space-- > 0)
empty += "\0";
handleMatches(emoji_regex, empty, "{0}", result, startIndex);
return result;
}
public static Message FormatMessage(Message inputMessage)
{
var result = format(inputMessage.Content);
inputMessage.DisplayContent = result.Text;
// Sometimes, regex matches are not in order
result.Links.Sort();
inputMessage.Links = result.Links;
return inputMessage;
}
public static MessageFormatterResult FormatText(string text)
{
var result = format(text);
result.Links.Sort();
return result;
}
public class MessageFormatterResult
{
public List<Link> Links = new List<Link>();
public string Text;
public string OriginalText;
public MessageFormatterResult(string text)
{
OriginalText = Text = text;
}
}
public class LinkDetails
{
public LinkAction Action;
public string Argument;
public LinkDetails(LinkAction action, string argument)
{
Action = action;
Argument = argument;
}
}
}
public enum LinkAction
{
External,
OpenBeatmap,
OpenBeatmapSet,
OpenChannel,
OpenEditorTimestamp,
JoinMultiplayerMatch,
Spectate,
OpenUserProfile,
}
public class Link : IComparable<Link>
{
public string Url;
public int Index;
public int Length;
public LinkAction Action;
public string Argument;
public Link(string url, int startIndex, int length, LinkAction action, string argument)
{
Url = url;
Index = startIndex;
Length = length;
Action = action;
Argument = argument;
}
public int CompareTo(Link otherLink) => Index > otherLink.Index ? 1 : -1;
}
}