mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-11-22 19:22:53 +01:00
2820 lines
111 KiB
C#
2820 lines
111 KiB
C#
using Nikse.SubtitleEdit.Core.ContainerFormats.Matroska;
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using Nikse.SubtitleEdit.Core.SubtitleFormats;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Net;
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using System.Reflection;
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using System.Security.Authentication;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Xml;
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namespace Nikse.SubtitleEdit.Core
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{
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public static class Utilities
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{
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public const string WinXP2KUnicodeFontName = "Times New Roman";
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/// <summary>
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/// Cached environment new line characters for faster lookup.
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/// </summary>
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public static readonly char[] NewLineChars = { '\r', '\n' };
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// TODO: Change to IReadonlyList in .net >= 4.5
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public static ICollection<string> VideoFileExtensions { get; } = new List<string>
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{ ".avi", ".mkv", ".wmv", ".mpg", ".mpeg", ".divx", ".mp4", ".asf", ".flv",".mov", ".m4v", ".vob", ".ogv", ".webm", ".ts", ".m2ts", ".avs", ".mxf" };
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public static string GetVideoFileFilter(bool includeAudioFiles)
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{
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var sb = new StringBuilder();
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sb.Append(Configuration.Settings.Language.General.VideoFiles + "|");
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int i = 0;
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foreach (string extension in VideoFileExtensions)
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{
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if (i > 0)
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{
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sb.Append(';');
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}
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sb.Append('*');
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sb.Append(extension);
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i++;
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}
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if (includeAudioFiles)
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{
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sb.Append('|');
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sb.Append(Configuration.Settings.Language.General.AudioFiles);
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sb.Append("|*.mp3;*.wav;*.wma;*.ogg;*.mpa;*.m4a;*.ape;*.aiff;*.flac;*.aac;*.ac3;*.mka");
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}
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sb.Append('|');
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sb.Append(Configuration.Settings.Language.General.AllFiles);
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sb.Append("|*.*");
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return sb.ToString();
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}
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public static bool IsInteger(string s)
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{
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return int.TryParse(s, out _);
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}
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public static bool IsHex(string s)
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{
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foreach (var ch in s)
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{
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if (!CharUtils.IsHexadecimal(ch))
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{
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return false;
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}
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}
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return true;
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}
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public static SubtitleFormat GetSubtitleFormatByFriendlyName(string friendlyName)
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{
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foreach (SubtitleFormat format in SubtitleFormat.AllSubtitleFormats)
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{
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if (format.FriendlyName == friendlyName || format.Name == friendlyName)
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{
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return format;
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}
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}
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return null;
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}
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public static string FormatBytesToDisplayFileSize(long fileSize)
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{
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if (fileSize <= 1024)
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{
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return $"{fileSize} bytes";
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}
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if (fileSize <= 1024 * 1024)
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{
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return $"{fileSize / 1024} kb";
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}
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if (fileSize <= 1024 * 1024 * 1024)
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{
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return $"{(float)fileSize / (1024 * 1024):0.0} mb";
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}
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return $"{(float)fileSize / (1024 * 1024 * 1024):0.0} gb";
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}
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/// <summary>
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/// Downloads the requested resource as a <see cref="String"/> using the configured <see cref="WebProxy"/>.
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/// </summary>
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/// <param name="address">A <see cref="String"/> containing the URI to download.</param>
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/// <param name="encoding">Encoding for source text</param>
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/// <returns>A <see cref="String"/> containing the requested resource.</returns>
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public static string DownloadString(string address, Encoding encoding = null)
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{
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using (var wc = new WebClient())
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{
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wc.Proxy = GetProxy();
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if (encoding != null)
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{
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wc.Encoding = encoding;
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}
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return wc.DownloadString(address).Trim();
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}
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}
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public static void SetSecurityProtocol()
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{
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// Github requires TLS 1.2
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try
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{
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var tls12Protocol = (SslProtocols)0x00000C00; //TODO: Remove this when it's standard in .net framework - 4.6+
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | (SecurityProtocolType)tls12Protocol;
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}
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catch (Exception)
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{
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// This will crash on .net framework versions < 4.5!
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// .NET 4.5 required for TLS 1.2 - TLS 1.2 is not default so use this: ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12
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// NET 4.6 and above. You don’t need to do any additional work to support TLS 1.2, it’s supported by default.
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}
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}
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public static WebProxy GetProxy()
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{
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if (!string.IsNullOrEmpty(Configuration.Settings.Proxy.ProxyAddress))
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{
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var proxy = new WebProxy(Configuration.Settings.Proxy.ProxyAddress);
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if (!string.IsNullOrEmpty(Configuration.Settings.Proxy.UserName))
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{
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if (string.IsNullOrEmpty(Configuration.Settings.Proxy.Domain))
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{
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proxy.Credentials = new NetworkCredential(Configuration.Settings.Proxy.UserName, Configuration.Settings.Proxy.DecodePassword());
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}
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else
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{
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proxy.Credentials = new NetworkCredential(Configuration.Settings.Proxy.UserName, Configuration.Settings.Proxy.DecodePassword(), Configuration.Settings.Proxy.Domain);
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}
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}
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else
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{
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proxy.UseDefaultCredentials = true;
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}
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return proxy;
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}
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return null;
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}
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private static bool IsPartOfNumber(string s, int position)
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{
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if (string.IsNullOrWhiteSpace(s) || position + 1 >= s.Length)
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{
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return false;
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}
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if (position > 0 && @",.".Contains(s[position]))
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{
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return char.IsDigit(s[position - 1]) && char.IsDigit(s[position + 1]);
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}
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return false;
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}
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public static bool IsBetweenNumbers(string s, int position)
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{
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if (string.IsNullOrEmpty(s) || position < 1 || position + 2 > s.Length)
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{
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return false;
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}
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return char.IsDigit(s[position - 1]) && char.IsDigit(s[position + 1]);
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}
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public static string AutoBreakLine(string text, string language)
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{
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return AutoBreakLine(text, Configuration.Settings.General.SubtitleLineMaximumLength, Configuration.Settings.General.MergeLinesShorterThan, language);
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}
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public static string AutoBreakLine(string text)
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{
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return AutoBreakLine(text, string.Empty); // no language
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}
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internal static bool CanBreak(string s, int index, string language)
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{
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char nextChar;
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if (index >= 0 && index < s.Length)
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{
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nextChar = s[index];
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}
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else
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{
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return false;
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}
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if (!"\r\n\t ".Contains(nextChar))
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{
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return false;
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}
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// Some words we don't like breaking after
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string s2 = s.Substring(0, index);
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if (Configuration.Settings.Tools.UseNoLineBreakAfter)
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{
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foreach (NoBreakAfterItem ending in NoBreakAfterList(language))
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{
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if (ending.IsMatch(s2))
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{
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return false;
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}
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}
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}
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else
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{
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if (s2.EndsWith(" mr.", StringComparison.OrdinalIgnoreCase) ||
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s2.EndsWith(" dr.", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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}
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if (s2.EndsWith("? -", StringComparison.Ordinal) || s2.EndsWith("! -", StringComparison.Ordinal) || s2.EndsWith(". -", StringComparison.Ordinal))
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{
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return false;
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}
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return true;
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}
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public static void ResetNoBreakAfterList()
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{
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_lastNoBreakAfterListLanguage = null;
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}
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private static string _lastNoBreakAfterListLanguage;
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private static List<NoBreakAfterItem> _lastNoBreakAfterList = new List<NoBreakAfterItem>();
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internal static IEnumerable<NoBreakAfterItem> NoBreakAfterList(string languageName)
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{
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if (string.IsNullOrEmpty(languageName))
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{
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return new List<NoBreakAfterItem>();
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}
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if (languageName == _lastNoBreakAfterListLanguage)
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{
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return _lastNoBreakAfterList;
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}
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_lastNoBreakAfterList = new List<NoBreakAfterItem>();
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//load words via xml
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string noBreakAfterFileName = DictionaryFolder + languageName + "_NoBreakAfterList.xml";
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var doc = new XmlDocument();
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if (File.Exists(noBreakAfterFileName))
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{
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doc.Load(noBreakAfterFileName);
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foreach (XmlNode node in doc.DocumentElement)
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{
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if (!string.IsNullOrEmpty(node.InnerText))
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{
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if (node.Attributes?["RegEx"] != null && node.Attributes["RegEx"].InnerText.Equals("true", StringComparison.OrdinalIgnoreCase))
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{
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var r = new Regex(node.InnerText, RegexOptions.Compiled);
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_lastNoBreakAfterList.Add(new NoBreakAfterItem(r, node.InnerText));
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}
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else
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{
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_lastNoBreakAfterList.Add(new NoBreakAfterItem(" " + node.InnerText.TrimStart()));
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}
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}
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}
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}
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_lastNoBreakAfterListLanguage = languageName;
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return _lastNoBreakAfterList;
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}
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public static string AutoBreakLineMoreThanTwoLines(string text, int maximumLength, int mergeLinesShorterThan, string language)
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{
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if (text == null || text.Length < 3 || !(text.Contains(" ") || text.Contains("\n")))
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{
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return text;
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}
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string s = AutoBreakLinePrivate(text, maximumLength, mergeLinesShorterThan, language);
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var arr = HtmlUtil.RemoveHtmlTags(s, true).SplitToLines();
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if (arr.Count == 1 && arr[0].Length <= maximumLength ||
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arr.Count == 2 && arr[0].Length <= maximumLength && arr[1].Length <= maximumLength)
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{
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return s;
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}
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s = RemoveLineBreaks(text);
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var htmlTags = new Dictionary<int, string>();
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var sb = new StringBuilder(s.Length);
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int six = 0;
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while (six < s.Length)
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{
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var letter = s[six];
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var tagFound = letter == '<' &&
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(s.Substring(six).StartsWith("<font", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("</font", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("<u", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("</u", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("<b", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("</b", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("<i", StringComparison.OrdinalIgnoreCase)
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|| s.Substring(six).StartsWith("</i", StringComparison.OrdinalIgnoreCase));
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int endIndex = -1;
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if (tagFound)
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{
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endIndex = s.IndexOf('>', six + 1);
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}
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if (tagFound && endIndex > 0)
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{
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string tag = s.Substring(six, endIndex - six + 1);
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s = s.Remove(six, tag.Length);
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if (htmlTags.ContainsKey(six))
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{
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htmlTags[six] = htmlTags[six] + tag;
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}
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else
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{
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htmlTags.Add(six, tag);
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}
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}
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else
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{
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sb.Append(letter);
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six++;
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}
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}
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s = sb.ToString();
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// check 3 lines
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var pti = new PlainTextImporter(false, false, 1, ".?!", maximumLength, language);
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var three = pti.SplitToThree(sb.ToString());
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if (three.Count == 3 &&
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three[0].Length < maximumLength &&
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three[1].Length < maximumLength &&
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three[2].Length < maximumLength)
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{
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return ReInsertHtmlTagsAndCleanUp(string.Join(" " + Environment.NewLine, three), htmlTags);
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}
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// check 4 lines
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var four = pti.SplitToFour(sb.ToString());
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if (four.Count == 4 &&
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four[0].Length < maximumLength &&
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four[1].Length < maximumLength &&
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four[2].Length < maximumLength &&
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four[3].Length < maximumLength)
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{
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return ReInsertHtmlTagsAndCleanUp(string.Join(" " + Environment.NewLine, four), htmlTags);
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}
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var words = s.Split(' ');
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for (int numberOfLines = 3; numberOfLines < 9999; numberOfLines++)
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{
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int average = s.Length / numberOfLines + 1;
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for (int len = average; len < maximumLength; len++)
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{
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List<int> list = SplitToX(words, numberOfLines, len);
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bool allOk = true;
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foreach (var lineLength in list)
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{
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if (lineLength > maximumLength)
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{
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allOk = false;
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}
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}
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if (allOk)
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{
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int index = 0;
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foreach (var item in list)
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{
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index += item;
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htmlTags.Add(index, Environment.NewLine);
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}
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return ReInsertHtmlTagsAndCleanUp(s, htmlTags);
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}
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}
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}
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return text;
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}
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private static string ReInsertHtmlTagsAndCleanUp(string input, Dictionary<int, string> htmlTags)
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{
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var s = ReInsertHtmlTags(input, htmlTags);
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s = s.Replace(" " + Environment.NewLine, Environment.NewLine);
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s = s.Replace(Environment.NewLine + " ", Environment.NewLine);
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s = s.Replace(Environment.NewLine + "</i>", "</i>" + Environment.NewLine);
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s = s.Replace(Environment.NewLine + "</b>", "</b>" + Environment.NewLine);
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s = s.Replace(Environment.NewLine + "</u>", "</u>" + Environment.NewLine);
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s = s.Replace(Environment.NewLine + "</font>", "</font>" + Environment.NewLine);
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return s.TrimEnd();
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}
|
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private static List<int> SplitToX(string[] words, int count, int average)
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{
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var list = new List<int>();
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int currentIdx = 0;
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int currentCount = 0;
|
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foreach (string word in words)
|
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{
|
||
if (currentCount + word.Length + 3 > average && currentIdx < count)
|
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{
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list.Add(currentCount);
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currentIdx++;
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currentCount = 0;
|
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}
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currentCount += word.Length + 1;
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}
|
||
if (currentIdx < count)
|
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{
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list.Add(currentCount);
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}
|
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else
|
||
{
|
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list[list.Count - 1] += currentCount;
|
||
}
|
||
|
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return list;
|
||
}
|
||
|
||
public static string AutoBreakLine(string text, int maximumLength, int mergeLinesShorterThan, string language)
|
||
{
|
||
if (Configuration.Settings.General.MaxNumberOfLines <= 2)
|
||
{
|
||
return AutoBreakLinePrivate(text, maximumLength, mergeLinesShorterThan, language);
|
||
}
|
||
|
||
return AutoBreakLineMoreThanTwoLines(text, maximumLength, mergeLinesShorterThan, language);
|
||
}
|
||
|
||
public static string AutoBreakLinePrivate(string text, int maximumLength, int mergeLinesShorterThan, string language)
|
||
{
|
||
if (text == null || text.Length < 3 || !(text.Contains(" ") || text.Contains("\n")))
|
||
{
|
||
return text;
|
||
}
|
||
|
||
// do not autobreak dialogs or music symbol
|
||
if (text.Contains(Environment.NewLine) && (text.Contains('-') || text.Contains('♪')))
|
||
{
|
||
var noTagLines = HtmlUtil.RemoveHtmlTags(text, true).SplitToLines();
|
||
if (noTagLines.Count == 2)
|
||
{
|
||
var arr0 = noTagLines[0].Trim().TrimEnd('"', '\'').TrimEnd();
|
||
if (language == "ar")
|
||
{
|
||
if (arr0.EndsWith('-') && noTagLines[1].TrimStart().EndsWith('-') && arr0.Length > 1 && (".?!)]".Contains(arr0[0]) || arr0.StartsWith("--", StringComparison.Ordinal) || arr0.StartsWith('–')))
|
||
{
|
||
return text;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (arr0.StartsWith('-') && noTagLines[1].TrimStart().StartsWith('-') && arr0.Length > 1 && (".?!)]".Contains(arr0[arr0.Length - 1]) || arr0.EndsWith("--", StringComparison.Ordinal) || arr0.EndsWith('–')))
|
||
{
|
||
return text;
|
||
}
|
||
}
|
||
if (noTagLines[0].StartsWith('♪') && noTagLines[0].EndsWith('♪') || noTagLines[1].StartsWith('♪') && noTagLines[0].EndsWith('♪'))
|
||
{
|
||
return text;
|
||
}
|
||
}
|
||
}
|
||
|
||
string s = RemoveLineBreaks(text);
|
||
if (HtmlUtil.RemoveHtmlTags(s, true).Length < mergeLinesShorterThan)
|
||
{
|
||
return s;
|
||
}
|
||
|
||
var htmlTags = new Dictionary<int, string>();
|
||
var sb = new StringBuilder();
|
||
int six = 0;
|
||
while (six < s.Length)
|
||
{
|
||
var letter = s[six];
|
||
bool tagFound = false;
|
||
if (letter == '<')
|
||
{
|
||
string tagString = s.Substring(six);
|
||
tagFound = tagString.StartsWith("<font", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("</font", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("<u", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("</u", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("<b", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("</b", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("<i", StringComparison.OrdinalIgnoreCase)
|
||
|| tagString.StartsWith("</i", StringComparison.OrdinalIgnoreCase);
|
||
}
|
||
else if (letter == '{' && s.Substring(six).StartsWith("{\\"))
|
||
{
|
||
string tagString = s.Substring(six);
|
||
var endIndexAssTag = tagString.IndexOf('}') + 1;
|
||
if (endIndexAssTag > 0)
|
||
{
|
||
tagString = tagString.Substring(0, endIndexAssTag);
|
||
if (htmlTags.ContainsKey(six))
|
||
{
|
||
htmlTags[six] = htmlTags[six] + tagString;
|
||
}
|
||
else
|
||
{
|
||
htmlTags.Add(six, tagString);
|
||
}
|
||
|
||
s = s.Remove(six, endIndexAssTag);
|
||
continue;
|
||
}
|
||
}
|
||
|
||
int endIndex = -1;
|
||
if (tagFound)
|
||
{
|
||
endIndex = s.IndexOf('>', six + 1);
|
||
}
|
||
|
||
if (tagFound && endIndex > 0)
|
||
{
|
||
string tag = s.Substring(six, endIndex - six + 1);
|
||
s = s.Remove(six, tag.Length);
|
||
if (htmlTags.ContainsKey(six))
|
||
{
|
||
htmlTags[six] = htmlTags[six] + tag;
|
||
}
|
||
else
|
||
{
|
||
htmlTags.Add(six, tag);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
sb.Append(letter);
|
||
six++;
|
||
}
|
||
}
|
||
s = sb.ToString();
|
||
|
||
int splitPos = -1;
|
||
int mid = s.Length / 2;
|
||
|
||
// try to find " - " with uppercase letter after (dialog)
|
||
if (s.Contains(" - "))
|
||
{
|
||
for (int j = 0; j <= (maximumLength / 2) + 5; j++)
|
||
{
|
||
if (mid + j + 4 < s.Length)
|
||
{
|
||
if (s[mid + j] == '-' && s[mid + j + 1] == ' ' && s[mid + j - 1] == ' ')
|
||
{
|
||
string rest = s.Substring(mid + j + 1).TrimStart();
|
||
if (rest.Length > 0 && char.IsUpper(rest[0]))
|
||
{
|
||
splitPos = mid + j;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
if (mid - (j + 1) > 4)
|
||
{
|
||
if (s[mid - j] == '-' && s[mid - j + 1] == ' ' && s[mid - j - 1] == ' ')
|
||
{
|
||
string rest = s.Substring(mid - j + 1).TrimStart();
|
||
if (rest.Length > 0 && char.IsUpper(rest[0]))
|
||
{
|
||
if (mid - j > 5)
|
||
{
|
||
if ("!?.…".Contains(s[mid - j - 2]))
|
||
{
|
||
splitPos = mid - j;
|
||
break;
|
||
}
|
||
var first = s.Substring(0, mid - j - 1);
|
||
if (first.EndsWith(".\"", StringComparison.Ordinal) || first.EndsWith("!\"", StringComparison.Ordinal) || first.EndsWith("?\"", StringComparison.Ordinal))
|
||
{
|
||
splitPos = mid - j;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (splitPos == maximumLength + 1 && s[maximumLength] != ' ') // only allow space for last char (as it does not count)
|
||
{
|
||
splitPos = -1;
|
||
}
|
||
|
||
if (splitPos < 0)
|
||
{
|
||
const string expectedChars1 = ".!?0123456789";
|
||
const string expectedChars2 = ".!?";
|
||
for (int j = 0; j < 15; j++)
|
||
{
|
||
if (mid + j + 1 < s.Length && mid + j > 0)
|
||
{
|
||
if (expectedChars2.Contains(s[mid + j]) && !IsPartOfNumber(s, mid + j) && CanBreak(s, mid + j + 1, language))
|
||
{
|
||
splitPos = mid + j + 1;
|
||
if (expectedChars1.Contains(s[splitPos]))
|
||
{ // do not break double/tripple end lines like "!!!" or "..."
|
||
splitPos++;
|
||
if (expectedChars1.Contains(s[mid + j + 1]))
|
||
{
|
||
splitPos++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
if (expectedChars2.Contains(s[mid - j]) && !IsPartOfNumber(s, mid - j) && CanBreak(s, mid - j + 1, language))
|
||
{
|
||
splitPos = mid - j;
|
||
splitPos++;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (splitPos > maximumLength) // too long first line
|
||
{
|
||
if (splitPos != maximumLength + 1 || s[maximumLength] != ' ') // allow for maxlength+1 char to be space (does not count)
|
||
{
|
||
splitPos = -1;
|
||
}
|
||
}
|
||
else if (splitPos >= 0 && s.Length - splitPos > maximumLength) // too long second line
|
||
{
|
||
splitPos = -1;
|
||
}
|
||
|
||
// prefer comma
|
||
if (Configuration.Settings.Tools.AutoBreakCommaBreakEarly)
|
||
{
|
||
if (splitPos < 0)
|
||
{
|
||
const string expectedChars1 = ".!?0123456789";
|
||
const string expectedChars2 = ",";
|
||
for (int j = 0; j < 15; j++)
|
||
{
|
||
if (mid + j + 1 < s.Length && mid + j > 0)
|
||
{
|
||
if (expectedChars2.Contains(s[mid + j]) && !IsPartOfNumber(s, mid + j) && CanBreak(s, mid + j + 1, language))
|
||
{
|
||
splitPos = mid + j + 1;
|
||
if (expectedChars1.Contains(s[splitPos]))
|
||
{ // do not break double/tripple end lines like "!!!" or "..."
|
||
splitPos++;
|
||
if (expectedChars1.Contains(s[mid + j + 1]))
|
||
{
|
||
splitPos++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
if (expectedChars2.Contains(s[mid - j]) && !IsPartOfNumber(s, mid - j) && CanBreak(s, mid - j + 1, language))
|
||
{
|
||
splitPos = mid - j;
|
||
splitPos++;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (splitPos > maximumLength) // too long first line
|
||
{
|
||
if (splitPos != maximumLength + 1 || s[maximumLength] != ' ') // allow for maxlength+1 char to be space (does not count)
|
||
{
|
||
splitPos = -1;
|
||
}
|
||
}
|
||
else if (splitPos >= 0 && s.Length - splitPos > maximumLength) // too long second line
|
||
{
|
||
splitPos = -1;
|
||
}
|
||
}
|
||
|
||
if (splitPos < 0)
|
||
{
|
||
const string expectedChars1 = ".!?…, ";
|
||
const string expectedChars2 = " .!?";
|
||
const string expectedChars3 = ".!?";
|
||
for (int j = 0; j < 25; j++)
|
||
{
|
||
if (mid + j + 1 < s.Length && mid + j > 0)
|
||
{
|
||
var add1 = (Environment.NewLine + " ").Contains(s[mid + j]) ? 0 : 1;
|
||
if (expectedChars1.Contains(s[mid + j]) && !IsPartOfNumber(s, mid + j) && s.Length > mid + j + 2 && CanBreak(s, mid + j + add1, language))
|
||
{
|
||
splitPos = mid + j;
|
||
if (expectedChars2.Contains(s[mid + j + 1]))
|
||
{
|
||
splitPos++;
|
||
if (expectedChars2.Contains(s[mid + j + 2]))
|
||
{
|
||
splitPos++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
var add2 = (Environment.NewLine + " ").Contains(s[mid - j]) ? 0 : 1;
|
||
if (expectedChars1.Contains(s[mid - j]) && !IsPartOfNumber(s, mid - j) && s.Length > mid + j + 2 && CanBreak(s, mid - j + add2, language))
|
||
{
|
||
splitPos = mid - j;
|
||
if (expectedChars3.Contains(s[splitPos]))
|
||
{
|
||
splitPos--;
|
||
}
|
||
|
||
if (expectedChars3.Contains(s[splitPos]))
|
||
{
|
||
splitPos--;
|
||
}
|
||
|
||
if (expectedChars3.Contains(s[splitPos]))
|
||
{
|
||
splitPos--;
|
||
}
|
||
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (splitPos < 0)
|
||
{
|
||
splitPos = mid;
|
||
s = s.Insert(mid - 1, Environment.NewLine);
|
||
s = ReInsertHtmlTags(s, htmlTags);
|
||
htmlTags = new Dictionary<int, string>();
|
||
s = s.Replace(Environment.NewLine, "-");
|
||
}
|
||
if (splitPos < s.Length - 2)
|
||
{
|
||
var firstLine = s.Substring(0, splitPos);
|
||
var firstSplit = firstLine.TrimEnd() + " " + Environment.NewLine + s.Substring(splitPos).TrimStart();
|
||
var lastSpaceIndex = firstLine.LastIndexOf(' ');
|
||
if (lastSpaceIndex > 10 && !firstLine.EndsWith(".") && !firstLine.EndsWith("?") && !firstLine.EndsWith("!"))
|
||
{
|
||
var secondFirstLine = s.Substring(0, lastSpaceIndex);
|
||
var secondSplit = secondFirstLine.TrimEnd() + " " + Environment.NewLine + s.Substring(lastSpaceIndex + 1).TrimStart();
|
||
var firstLines = firstSplit.SplitToLines();
|
||
var secondLines = secondSplit.SplitToLines();
|
||
var firstLinesMax = Math.Max(firstLines[0].Trim().Length, firstLines[1].Trim().Length);
|
||
var secondLinesMax = Math.Max(secondLines[0].Trim().Length, secondLines[1].Trim().Length);
|
||
if (secondLinesMax <= maximumLength && CanBreak(s, lastSpaceIndex, language) &&
|
||
secondLinesMax <= firstLinesMax)
|
||
{
|
||
s = secondSplit;
|
||
}
|
||
else if (secondLinesMax <= maximumLength && CanBreak(s, lastSpaceIndex, language) &&
|
||
!firstLine.EndsWith(".") && !firstLine.EndsWith("!") && !firstLine.EndsWith("?") &&
|
||
(secondFirstLine.EndsWith(".") || secondFirstLine.EndsWith("!") || secondFirstLine.EndsWith("?")))
|
||
{
|
||
s = secondSplit;
|
||
}
|
||
else if (secondLinesMax <= maximumLength && CanBreak(s, lastSpaceIndex, language) &&
|
||
!firstLine.EndsWith(".") && !firstLine.EndsWith("!") && !firstLine.EndsWith("?") && !firstLine.EndsWith(",") &&
|
||
secondFirstLine.EndsWith(","))
|
||
{
|
||
s = secondSplit;
|
||
}
|
||
else
|
||
{
|
||
s = firstSplit;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
s = firstSplit;
|
||
}
|
||
}
|
||
|
||
s = ReInsertHtmlTags(s, htmlTags);
|
||
var idx = s.IndexOf(Environment.NewLine + "</", StringComparison.Ordinal);
|
||
if (idx > 2)
|
||
{
|
||
var endIdx = s.IndexOf('>', idx + 2);
|
||
if (endIdx > idx)
|
||
{
|
||
var tag = s.Substring(idx + Environment.NewLine.Length, endIdx - (idx + Environment.NewLine.Length) + 1);
|
||
s = s.Insert(idx, tag);
|
||
s = s.Remove(idx + tag.Length + Environment.NewLine.Length, tag.Length);
|
||
}
|
||
}
|
||
s = s.Replace(" " + Environment.NewLine, Environment.NewLine);
|
||
s = s.Replace(Environment.NewLine + " ", Environment.NewLine);
|
||
return s.TrimEnd();
|
||
}
|
||
|
||
public static string RemoveLineBreaks(string input)
|
||
{
|
||
var s = HtmlUtil.FixUpperTags(input);
|
||
s = s.Replace(Environment.NewLine + "</i>", "</i>" + Environment.NewLine);
|
||
s = s.Replace(Environment.NewLine + "</b>", "</b>" + Environment.NewLine);
|
||
s = s.Replace(Environment.NewLine + "</u>", "</u>" + Environment.NewLine);
|
||
s = s.Replace(Environment.NewLine + "</font>", "</font>" + Environment.NewLine);
|
||
s = s.Replace("</i> " + Environment.NewLine + "<i>", " ");
|
||
s = s.Replace("</i>" + Environment.NewLine + " <i>", " ");
|
||
s = s.Replace("</i>" + Environment.NewLine + "<i>", " ");
|
||
s = s.Replace(Environment.NewLine, " ");
|
||
s = s.Replace(" </i>", "</i> ");
|
||
s = s.Replace(" </b>", "</b> ");
|
||
s = s.Replace(" </u>", "</u> ");
|
||
s = s.Replace(" </font>", "</font> ");
|
||
s = s.FixExtraSpaces();
|
||
return s.Trim();
|
||
}
|
||
|
||
private static string ReInsertHtmlTags(string s, Dictionary<int, string> htmlTags)
|
||
{
|
||
if (htmlTags.Count > 0)
|
||
{
|
||
var sb = new StringBuilder(s.Length);
|
||
int six = 0;
|
||
foreach (var letter in s)
|
||
{
|
||
if (Environment.NewLine.Contains(letter))
|
||
{
|
||
sb.Append(letter);
|
||
}
|
||
else
|
||
{
|
||
if (htmlTags.ContainsKey(six))
|
||
{
|
||
sb.Append(htmlTags[six]);
|
||
}
|
||
sb.Append(letter);
|
||
six++;
|
||
}
|
||
}
|
||
|
||
for (int i = 0; i < 15; i++)
|
||
{
|
||
if (htmlTags.ContainsKey(six + i))
|
||
{
|
||
sb.Append(htmlTags[six + i]);
|
||
}
|
||
}
|
||
|
||
return sb.ToString();
|
||
}
|
||
return s;
|
||
}
|
||
|
||
public static string UnbreakLine(string text)
|
||
{
|
||
var lines = text.SplitToLines();
|
||
if (lines.Count == 1)
|
||
{
|
||
return lines[0];
|
||
}
|
||
|
||
var singleLine = string.Join(" ", lines);
|
||
while (singleLine.Contains(" "))
|
||
{
|
||
singleLine = singleLine.Replace(" ", " ");
|
||
}
|
||
|
||
if (singleLine.Contains("</")) // Fix tag
|
||
{
|
||
singleLine = singleLine.Replace("</i> <i>", " ");
|
||
singleLine = singleLine.Replace("</i><i>", " ");
|
||
|
||
singleLine = singleLine.Replace("</b> <b>", " ");
|
||
singleLine = singleLine.Replace("</b><b>", " ");
|
||
|
||
singleLine = singleLine.Replace("</u> <u>", " ");
|
||
singleLine = singleLine.Replace("</u><u>", " ");
|
||
}
|
||
return singleLine;
|
||
}
|
||
|
||
public static string RemoveSsaTags(string input)
|
||
{
|
||
var s = input;
|
||
int k = s.IndexOf("{\\", StringComparison.Ordinal);
|
||
while (k >= 0)
|
||
{
|
||
int l = s.IndexOf('}', k + 1);
|
||
if (l < k)
|
||
{
|
||
break;
|
||
}
|
||
|
||
s = s.Remove(k, l - k + 1);
|
||
k = s.IndexOf('{', k);
|
||
}
|
||
return s;
|
||
}
|
||
|
||
public static string DictionaryFolder => Configuration.DictionariesDirectory;
|
||
|
||
public static List<string> GetDictionaryLanguages()
|
||
{
|
||
var list = new List<string>();
|
||
if (Directory.Exists(DictionaryFolder))
|
||
{
|
||
foreach (string dic in Directory.GetFiles(DictionaryFolder, "*.dic"))
|
||
{
|
||
string name = Path.GetFileNameWithoutExtension(dic);
|
||
if (!name.StartsWith("hyph", StringComparison.Ordinal))
|
||
{
|
||
try
|
||
{
|
||
var ci = CultureInfo.GetCultureInfo(name.Replace('_', '-'));
|
||
name = ci.DisplayName + " [" + name + "]";
|
||
}
|
||
catch (Exception exception)
|
||
{
|
||
System.Diagnostics.Debug.WriteLine(exception.Message);
|
||
name = "[" + name + "]";
|
||
}
|
||
list.Add(name);
|
||
}
|
||
}
|
||
}
|
||
return list;
|
||
}
|
||
|
||
public static List<string> GetDictionaryLanguagesCultureNeutral()
|
||
{
|
||
var list = new List<string>();
|
||
if (Directory.Exists(DictionaryFolder))
|
||
{
|
||
foreach (string dic in Directory.GetFiles(DictionaryFolder, "*.dic"))
|
||
{
|
||
string name = Path.GetFileNameWithoutExtension(dic);
|
||
if (!name.StartsWith("hyph", StringComparison.Ordinal))
|
||
{
|
||
try
|
||
{
|
||
var ci = CultureInfo.GetCultureInfo(name.Replace('_', '-'));
|
||
var displayName = ci.DisplayName;
|
||
if (displayName.Contains("("))
|
||
{
|
||
displayName = displayName.Remove(displayName.IndexOf('(')).TrimEnd();
|
||
}
|
||
name = displayName + " [" + ci.TwoLetterISOLanguageName + "]";
|
||
}
|
||
catch (Exception exception)
|
||
{
|
||
System.Diagnostics.Debug.WriteLine(exception.Message);
|
||
name = "[" + name + "]";
|
||
}
|
||
if (!list.Contains(name))
|
||
{
|
||
list.Add(name);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return list;
|
||
}
|
||
|
||
public static double GetOptimalDisplayMilliseconds(string text)
|
||
{
|
||
return GetOptimalDisplayMilliseconds(text, Configuration.Settings.General.SubtitleOptimalCharactersPerSeconds);
|
||
}
|
||
|
||
public static double GetOptimalDisplayMilliseconds(string text, double optimalCharactersPerSecond)
|
||
{
|
||
if (optimalCharactersPerSecond < 2 || optimalCharactersPerSecond > 100)
|
||
{
|
||
optimalCharactersPerSecond = 14.7;
|
||
}
|
||
|
||
double duration = (HtmlUtil.RemoveHtmlTags(text, true).Length / optimalCharactersPerSecond) * TimeCode.BaseUnit;
|
||
|
||
if (duration < Configuration.Settings.General.SubtitleMinimumDisplayMilliseconds)
|
||
{
|
||
duration = Configuration.Settings.General.SubtitleMinimumDisplayMilliseconds;
|
||
}
|
||
|
||
if (duration > Configuration.Settings.General.SubtitleMaximumDisplayMilliseconds)
|
||
{
|
||
duration = Configuration.Settings.General.SubtitleMaximumDisplayMilliseconds;
|
||
}
|
||
|
||
return duration;
|
||
}
|
||
|
||
public static string ColorToHex(Color c)
|
||
{
|
||
return $"#{c.R:x2}{c.G:x2}{c.B:x2}";
|
||
}
|
||
|
||
public static int GetMaxLineLength(string text)
|
||
{
|
||
int maxLength = 0;
|
||
foreach (string line in HtmlUtil.RemoveHtmlTags(text, true).SplitToLines())
|
||
{
|
||
if (line.Length > maxLength)
|
||
{
|
||
maxLength = line.Length;
|
||
}
|
||
}
|
||
return maxLength;
|
||
}
|
||
|
||
public static double GetCharactersPerSecond(Paragraph paragraph)
|
||
{
|
||
var duration = paragraph.Duration;
|
||
if (duration.TotalMilliseconds < 1)
|
||
{
|
||
return 999;
|
||
}
|
||
|
||
return paragraph.Text.CountCharacters(Configuration.Settings.General.CharactersPerSecondsIgnoreWhiteSpace) / duration.TotalSeconds;
|
||
}
|
||
|
||
public static double GetCharactersPerSecond(Paragraph paragraph, int numberOfCharacters)
|
||
{
|
||
var duration = paragraph.Duration;
|
||
if (duration.TotalMilliseconds < 1)
|
||
{
|
||
return 999;
|
||
}
|
||
|
||
return numberOfCharacters / duration.TotalSeconds;
|
||
}
|
||
|
||
|
||
public static bool IsRunningOnMono()
|
||
{
|
||
return Type.GetType("Mono.Runtime") != null;
|
||
}
|
||
|
||
public static void ShowHelp(string parameter)
|
||
{
|
||
string helpFile = Configuration.Settings.Language.General.HelpFile;
|
||
if (string.IsNullOrEmpty(helpFile))
|
||
{
|
||
helpFile = "https://www.nikse.dk/SubtitleEdit/Help";
|
||
}
|
||
|
||
System.Diagnostics.Process.Start(helpFile + parameter);
|
||
}
|
||
|
||
public static string AssemblyVersion => Assembly.GetEntryAssembly().GetName().Version.ToString();
|
||
|
||
public static string AssemblyDescription
|
||
{
|
||
get
|
||
{
|
||
var assembly = Assembly.GetEntryAssembly();
|
||
if (Attribute.IsDefined(assembly, typeof(AssemblyDescriptionAttribute)))
|
||
{
|
||
var descriptionAttribute = (AssemblyDescriptionAttribute)Attribute.GetCustomAttribute(assembly, typeof(AssemblyDescriptionAttribute));
|
||
if (descriptionAttribute != null)
|
||
{
|
||
return descriptionAttribute.Description;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
}
|
||
|
||
public static void RemoveFromUserDictionary(string word, string languageName)
|
||
{
|
||
word = word.Trim();
|
||
if (word.Length > 0)
|
||
{
|
||
string userWordsXmlFileName = DictionaryFolder + languageName + "_user.xml";
|
||
var userWords = new XmlDocument();
|
||
if (File.Exists(userWordsXmlFileName))
|
||
{
|
||
userWords.Load(userWordsXmlFileName);
|
||
}
|
||
else
|
||
{
|
||
userWords.LoadXml("<words />");
|
||
}
|
||
|
||
var words = new List<string>();
|
||
var nodes = userWords.DocumentElement?.SelectNodes("word");
|
||
if (nodes != null)
|
||
{
|
||
foreach (XmlNode node in nodes)
|
||
{
|
||
string w = node.InnerText.Trim();
|
||
if (w.Length > 0 && w != word)
|
||
{
|
||
words.Add(w);
|
||
}
|
||
}
|
||
}
|
||
|
||
words.Sort();
|
||
|
||
if (userWords.DocumentElement != null)
|
||
{
|
||
userWords.DocumentElement.RemoveAll();
|
||
foreach (string w in words)
|
||
{
|
||
XmlNode node = userWords.CreateElement("word");
|
||
node.InnerText = w;
|
||
userWords.DocumentElement.AppendChild(node);
|
||
}
|
||
}
|
||
|
||
userWords.Save(userWordsXmlFileName);
|
||
}
|
||
}
|
||
|
||
public static void AddToUserDictionary(string word, string languageName)
|
||
{
|
||
word = word.Trim();
|
||
if (word.Length > 0)
|
||
{
|
||
string userWordsXmlFileName = DictionaryFolder + languageName + "_user.xml";
|
||
var userWords = new XmlDocument();
|
||
if (File.Exists(userWordsXmlFileName))
|
||
{
|
||
userWords.Load(userWordsXmlFileName);
|
||
}
|
||
else
|
||
{
|
||
userWords.LoadXml("<words />");
|
||
}
|
||
|
||
var words = new List<string>();
|
||
if (userWords.DocumentElement != null)
|
||
{
|
||
var nodes = userWords.DocumentElement.SelectNodes("word");
|
||
if (nodes != null)
|
||
{
|
||
foreach (XmlNode node in nodes)
|
||
{
|
||
string w = node.InnerText.Trim();
|
||
if (w.Length > 0)
|
||
{
|
||
words.Add(w);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!words.Contains(word))
|
||
{
|
||
words.Add(word);
|
||
}
|
||
|
||
words.Sort();
|
||
|
||
userWords.DocumentElement.RemoveAll();
|
||
foreach (string w in words)
|
||
{
|
||
XmlNode node = userWords.CreateElement("word");
|
||
node.InnerText = w;
|
||
userWords.DocumentElement.AppendChild(node);
|
||
}
|
||
}
|
||
|
||
userWords.Save(userWordsXmlFileName);
|
||
}
|
||
}
|
||
|
||
public static string LoadUserWordList(List<string> userWordList, string languageName)
|
||
{
|
||
userWordList.Clear();
|
||
var userWordDictionary = new XmlDocument();
|
||
string userWordListXmlFileName = DictionaryFolder + languageName + "_user.xml";
|
||
if (File.Exists(userWordListXmlFileName))
|
||
{
|
||
userWordDictionary.Load(userWordListXmlFileName);
|
||
foreach (XmlNode node in userWordDictionary.DocumentElement.SelectNodes("word"))
|
||
{
|
||
string s = node.InnerText.ToLowerInvariant();
|
||
if (!userWordList.Contains(s))
|
||
{
|
||
userWordList.Add(s);
|
||
}
|
||
}
|
||
}
|
||
return userWordListXmlFileName;
|
||
}
|
||
|
||
public static string LoadUserWordList(HashSet<string> userWordList, string languageName)
|
||
{
|
||
userWordList.Clear();
|
||
var userWordDictionary = new XmlDocument();
|
||
string userWordListXmlFileName = DictionaryFolder + languageName + "_user.xml";
|
||
if (File.Exists(userWordListXmlFileName))
|
||
{
|
||
userWordDictionary.Load(userWordListXmlFileName);
|
||
var nodes = userWordDictionary.DocumentElement?.SelectNodes("word");
|
||
if (nodes != null)
|
||
{
|
||
foreach (XmlNode node in nodes)
|
||
{
|
||
string s = node.InnerText.ToLowerInvariant();
|
||
if (!userWordList.Contains(s))
|
||
{
|
||
userWordList.Add(s);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return userWordListXmlFileName;
|
||
}
|
||
|
||
public static readonly string UppercaseLetters = Configuration.Settings.General.UppercaseLetters.ToUpperInvariant();
|
||
public static readonly string LowercaseLetters = Configuration.Settings.General.UppercaseLetters.ToLowerInvariant();
|
||
public static readonly string LowercaseLettersWithNumbers = LowercaseLetters + "0123456789";
|
||
public static readonly string AllLetters = UppercaseLetters + LowercaseLetters;
|
||
public static readonly string AllLettersAndNumbers = UppercaseLetters + LowercaseLettersWithNumbers;
|
||
|
||
public static Color GetColorFromUserName(string userName)
|
||
{
|
||
if (string.IsNullOrEmpty(userName))
|
||
{
|
||
return Color.Pink;
|
||
}
|
||
|
||
byte[] buffer = Encoding.UTF8.GetBytes(userName);
|
||
long number = 0;
|
||
foreach (byte b in buffer)
|
||
{
|
||
number += b;
|
||
}
|
||
|
||
switch (number % 20)
|
||
{
|
||
case 0: return Color.Red;
|
||
case 1: return Color.Blue;
|
||
case 2: return Color.Green;
|
||
case 3: return Color.DarkCyan;
|
||
case 4: return Color.DarkGreen;
|
||
case 5: return Color.DarkBlue;
|
||
case 6: return Color.DarkTurquoise;
|
||
case 7: return Color.DarkViolet;
|
||
case 8: return Color.DeepPink;
|
||
case 9: return Color.DodgerBlue;
|
||
case 10: return Color.ForestGreen;
|
||
case 11: return Color.Fuchsia;
|
||
case 12: return Color.DarkOrange;
|
||
case 13: return Color.GreenYellow;
|
||
case 14: return Color.IndianRed;
|
||
case 15: return Color.Indigo;
|
||
case 16: return Color.LawnGreen;
|
||
case 17: return Color.LightBlue;
|
||
case 18: return Color.DarkGoldenrod;
|
||
case 19: return Color.Magenta;
|
||
default:
|
||
return Color.Black;
|
||
}
|
||
}
|
||
|
||
public static int GetNumber0To7FromUserName(string userName)
|
||
{
|
||
if (string.IsNullOrEmpty(userName))
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
byte[] buffer = Encoding.UTF8.GetBytes(userName);
|
||
long number = 0;
|
||
foreach (byte b in buffer)
|
||
{
|
||
number += b;
|
||
}
|
||
|
||
return (int)(number % 8);
|
||
}
|
||
|
||
public static string LowercaseVowels => "aeiouyæøåéóáôèòæøåäöïɤəɛʊʉɨ";
|
||
|
||
public static int CountTagInText(string text, string tag)
|
||
{
|
||
int count = 0;
|
||
int index = text.IndexOf(tag, StringComparison.Ordinal);
|
||
while (index >= 0)
|
||
{
|
||
count++;
|
||
index = index + tag.Length;
|
||
if (index >= text.Length)
|
||
{
|
||
return count;
|
||
}
|
||
|
||
index = text.IndexOf(tag, index, StringComparison.Ordinal);
|
||
}
|
||
return count;
|
||
}
|
||
|
||
public static int CountTagInText(string text, char tag)
|
||
{
|
||
int count = 0;
|
||
int index = text.IndexOf(tag);
|
||
while (index >= 0)
|
||
{
|
||
count++;
|
||
if ((index + 1) == text.Length)
|
||
{
|
||
return count;
|
||
}
|
||
|
||
index = text.IndexOf(tag, index + 1);
|
||
}
|
||
return count;
|
||
}
|
||
|
||
public static bool StartsAndEndsWithTag(string text, string startTag, string endTag)
|
||
{
|
||
if (string.IsNullOrWhiteSpace(text))
|
||
{
|
||
return false;
|
||
}
|
||
|
||
if (!text.Contains(startTag) || !text.Contains(endTag))
|
||
{
|
||
return false;
|
||
}
|
||
|
||
while (text.Contains(" "))
|
||
{
|
||
text = text.Replace(" ", " ");
|
||
}
|
||
|
||
var s1 = "- " + startTag;
|
||
var s2 = "-" + startTag;
|
||
var s3 = "- ..." + startTag;
|
||
var s4 = "- " + startTag + "..."; // - <i>...
|
||
|
||
var e1 = endTag + ".";
|
||
var e2 = endTag + "!";
|
||
var e3 = endTag + "?";
|
||
var e4 = endTag + "...";
|
||
var e5 = endTag + "-";
|
||
|
||
bool isStart = false;
|
||
bool isEnd = false;
|
||
if (text.StartsWith(startTag, StringComparison.Ordinal) || text.StartsWith(s1, StringComparison.Ordinal) || text.StartsWith(s2, StringComparison.Ordinal) || text.StartsWith(s3, StringComparison.Ordinal) || text.StartsWith(s4, StringComparison.Ordinal))
|
||
{
|
||
isStart = true;
|
||
}
|
||
|
||
if (text.EndsWith(endTag, StringComparison.Ordinal) || text.EndsWith(e1, StringComparison.Ordinal) || text.EndsWith(e2, StringComparison.Ordinal) || text.EndsWith(e3, StringComparison.Ordinal) || text.EndsWith(e4, StringComparison.Ordinal) || text.EndsWith(e5, StringComparison.Ordinal))
|
||
{
|
||
isEnd = true;
|
||
}
|
||
|
||
return isStart && isEnd;
|
||
}
|
||
|
||
public static Paragraph GetOriginalParagraph(int index, Paragraph paragraph, List<Paragraph> originalParagraphs)
|
||
{
|
||
if (index < 0)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
if (index < originalParagraphs.Count && Math.Abs(originalParagraphs[index].StartTime.TotalMilliseconds - paragraph.StartTime.TotalMilliseconds) < 50)
|
||
{
|
||
return originalParagraphs[index];
|
||
}
|
||
|
||
foreach (Paragraph p in originalParagraphs)
|
||
{
|
||
if (Math.Abs(p.StartTime.TotalMilliseconds - paragraph.StartTime.TotalMilliseconds) < 0.01)
|
||
{
|
||
return p;
|
||
}
|
||
}
|
||
|
||
foreach (Paragraph p in originalParagraphs)
|
||
{
|
||
if (p.StartTime.TotalMilliseconds > paragraph.StartTime.TotalMilliseconds - 200 &&
|
||
p.StartTime.TotalMilliseconds < paragraph.StartTime.TotalMilliseconds + TimeCode.BaseUnit)
|
||
{
|
||
return p;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// UrlEncodes a string without the requirement for System.Web
|
||
/// </summary>
|
||
public static string UrlEncode(string text)
|
||
{
|
||
return Uri.EscapeDataString(text);
|
||
}
|
||
|
||
/// <summary>
|
||
/// UrlDecodes a string without requiring System.Web
|
||
/// </summary>
|
||
public static string UrlDecode(string text)
|
||
{
|
||
// pre-process for + sign space formatting since System.Uri doesn't handle it
|
||
// plus literals are encoded as %2b normally so this should be safe
|
||
text = text.Replace('+', ' ');
|
||
return Uri.UnescapeDataString(text);
|
||
}
|
||
|
||
private static readonly Regex TwoOrMoreDigitsNumber = new Regex(@"\d\d+", RegexOptions.Compiled);
|
||
private const string PrePostStringsToReverse = @"-— !?.…""،,():;[]+~*/<>&^%$#\\|";
|
||
|
||
public static string ReverseStartAndEndingForRightToLeft(string s)
|
||
{
|
||
var newLines = new StringBuilder();
|
||
var pre = new StringBuilder();
|
||
var post = new StringBuilder();
|
||
var lines = s.SplitToLines();
|
||
foreach (var line in lines)
|
||
{
|
||
string s2 = line;
|
||
|
||
var preTags = new StringBuilder();
|
||
while (s2.StartsWith("{\\", StringComparison.Ordinal) && s2.IndexOf('}') > 0)
|
||
{
|
||
int end = s2.IndexOf('}') + 1;
|
||
preTags.Append(s2.Substring(0, end));
|
||
s2 = s2.Remove(0, end);
|
||
}
|
||
string postTags = string.Empty;
|
||
for (int k = 0; k < 10; k++)
|
||
{
|
||
if (s2.StartsWith("<i>", StringComparison.Ordinal) ||
|
||
s2.StartsWith("<b>", StringComparison.Ordinal) ||
|
||
s2.StartsWith("<u>", StringComparison.Ordinal))
|
||
{
|
||
preTags.Append(s2.Substring(0, 3));
|
||
s2 = s2.Remove(0, 3);
|
||
}
|
||
if (s2.StartsWith("<font ", StringComparison.Ordinal) && s2.IndexOf('>') > 0)
|
||
{
|
||
int idx = s2.IndexOf('>');
|
||
idx++;
|
||
preTags.Append(s2.Substring(0, idx));
|
||
s2 = s2.Remove(0, idx);
|
||
}
|
||
|
||
if (s2.EndsWith("</i>", StringComparison.Ordinal) ||
|
||
s2.EndsWith("</b>", StringComparison.Ordinal) ||
|
||
s2.EndsWith("</u>", StringComparison.Ordinal))
|
||
{
|
||
postTags = s2.Substring(s2.Length - 4) + postTags;
|
||
s2 = s2.Remove(s2.Length - 4);
|
||
}
|
||
if (s2.EndsWith("</font>", StringComparison.Ordinal))
|
||
{
|
||
postTags = s2.Substring(s2.Length - 7) + postTags;
|
||
s2 = s2.Remove(s2.Length - 7);
|
||
}
|
||
}
|
||
|
||
pre.Clear();
|
||
post.Clear();
|
||
int i = 0;
|
||
while (i < s2.Length && PrePostStringsToReverse.Contains(s2[i]) && s2[i] != '{' &&
|
||
!s2.Substring(i).StartsWith("<i>", StringComparison.OrdinalIgnoreCase) &&
|
||
!s2.Substring(i).StartsWith("<b>", StringComparison.OrdinalIgnoreCase) &&
|
||
!s2.Substring(i).StartsWith("<font ", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
pre.Append(s2[i]);
|
||
i++;
|
||
}
|
||
int j = s2.Length - 1;
|
||
while (j > i && PrePostStringsToReverse.Contains(s2[j]) && s2[j] != '}' &&
|
||
!s2.Substring(0, j + 1).EndsWith("</i>", StringComparison.OrdinalIgnoreCase) &&
|
||
!s2.Substring(0, j + 1).EndsWith("</b>", StringComparison.OrdinalIgnoreCase) &&
|
||
!s2.Substring(0, j + 1).EndsWith("</font>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
post.Append(s2[j]);
|
||
j--;
|
||
}
|
||
newLines.Append(preTags);
|
||
newLines.Append(ReverseParenthesis(post.ToString()));
|
||
newLines.Append(s2.Substring(pre.Length, s2.Length - (pre.Length + post.Length)));
|
||
newLines.Append(ReverseParenthesis(ReverseString(pre.ToString())));
|
||
newLines.Append(postTags);
|
||
newLines.AppendLine();
|
||
}
|
||
return newLines.ToString().Trim();
|
||
}
|
||
|
||
public static string ReverseNumbers(string s)
|
||
{
|
||
return TwoOrMoreDigitsNumber.Replace(s, m => ReverseString(m.Value));
|
||
}
|
||
|
||
internal static string ReverseString(string s)
|
||
{
|
||
int len = s.Length;
|
||
if (len <= 1)
|
||
{
|
||
return s;
|
||
}
|
||
var chars = new char[len];
|
||
for (int i = 0; i < len; i++)
|
||
{
|
||
chars[i] = s[len - i - 1];
|
||
}
|
||
return new string(chars);
|
||
}
|
||
|
||
private static string ReverseParenthesis(string s)
|
||
{
|
||
if (string.IsNullOrEmpty(s))
|
||
{
|
||
return s;
|
||
}
|
||
int len = s.Length;
|
||
var chars = new char[len];
|
||
for (int i = 0; i < len; i++)
|
||
{
|
||
char ch = s[i];
|
||
switch (ch)
|
||
{
|
||
case '(':
|
||
ch = ')';
|
||
break;
|
||
case ')':
|
||
ch = '(';
|
||
break;
|
||
case '[':
|
||
ch = ']';
|
||
break;
|
||
case ']':
|
||
ch = '[';
|
||
break;
|
||
}
|
||
chars[i] = ch;
|
||
}
|
||
return new string(chars);
|
||
}
|
||
|
||
public static string FixEnglishTextInRightToLeftLanguage(string text, string reverseChars)
|
||
{
|
||
var sb = new StringBuilder();
|
||
var lines = text.SplitToLines();
|
||
foreach (string line in lines)
|
||
{
|
||
string s = ReverseParenthesis(line.Trim());
|
||
bool numbersOn = false;
|
||
string numbers = string.Empty;
|
||
for (int i = 0; i < s.Length; i++)
|
||
{
|
||
if (numbersOn && reverseChars.Contains(s[i]))
|
||
{
|
||
numbers = s[i] + numbers;
|
||
}
|
||
else if (numbersOn)
|
||
{
|
||
numbersOn = false;
|
||
s = s.Remove(i - numbers.Length, numbers.Length).Insert(i - numbers.Length, numbers);
|
||
numbers = string.Empty;
|
||
}
|
||
else if (reverseChars.Contains(s[i]))
|
||
{
|
||
numbers = s[i] + numbers;
|
||
numbersOn = true;
|
||
}
|
||
}
|
||
if (numbersOn)
|
||
{
|
||
int i = s.Length;
|
||
s = s.Remove(i - numbers.Length, numbers.Length).Insert(i - numbers.Length, numbers);
|
||
}
|
||
|
||
sb.AppendLine(s);
|
||
}
|
||
return sb.ToString().Trim();
|
||
}
|
||
|
||
public static string ToSuperscript(string text)
|
||
{
|
||
var sb = new StringBuilder();
|
||
var superscript = new List<char>{
|
||
'⁰',
|
||
'¹',
|
||
'²',
|
||
'³',
|
||
'⁴',
|
||
'⁵',
|
||
'⁶',
|
||
'⁷',
|
||
'⁸',
|
||
'⁹',
|
||
'⁺',
|
||
'⁻',
|
||
'⁼',
|
||
'⁽',
|
||
'⁾',
|
||
'ᵃ',
|
||
'ᵇ',
|
||
'ᶜ',
|
||
'ᵈ',
|
||
'ᵉ',
|
||
'ᶠ',
|
||
'ᵍ',
|
||
'ʰ',
|
||
'ⁱ',
|
||
'ʲ',
|
||
'ᵏ',
|
||
'ˡ',
|
||
'ᵐ',
|
||
'ⁿ',
|
||
'ᵒ',
|
||
'ᵖ',
|
||
'ʳ',
|
||
'ˢ',
|
||
'ᵗ',
|
||
'ᵘ',
|
||
'ᵛ',
|
||
'ʷ',
|
||
'ˣ',
|
||
'ʸ',
|
||
'ᶻ',
|
||
'ᴬ',
|
||
'ᴮ',
|
||
'ᴰ',
|
||
'ᴱ',
|
||
'ᴳ',
|
||
'ᴴ',
|
||
'ᴵ',
|
||
'ᴶ',
|
||
'ᴷ',
|
||
'ᴸ',
|
||
'ᴹ',
|
||
'ᴺ',
|
||
'ᴼ',
|
||
'ᴾ',
|
||
'ᴿ',
|
||
'ᵀ',
|
||
'ᵁ',
|
||
'ᵂ'
|
||
};
|
||
var normal = new List<char>{
|
||
'0', // "⁰"
|
||
'1', // "¹"
|
||
'2', // "²"
|
||
'3', // "³"
|
||
'4', // "⁴"
|
||
'5', // "⁵"
|
||
'6', // "⁶"
|
||
'7', // "⁷"
|
||
'8', // "⁸"
|
||
'9', // "⁹"
|
||
'+', // "⁺"
|
||
'-', // "⁻"
|
||
'=', // "⁼"
|
||
'(', // "⁽"
|
||
')', // "⁾"
|
||
'a', // "ᵃ"
|
||
'b', // "ᵇ"
|
||
'c', // "ᶜ"
|
||
'd', // "ᵈ"
|
||
'e', // "ᵉ"
|
||
'f', // "ᶠ"
|
||
'g', // "ᵍ"
|
||
'h', // "ʰ"
|
||
'i', // "ⁱ"
|
||
'j', // "ʲ"
|
||
'k', // "ᵏ"
|
||
'l', // "ˡ"
|
||
'm', // "ᵐ"
|
||
'n', // "ⁿ"
|
||
'o', // "ᵒ"
|
||
'p', // "ᵖ"
|
||
'r', // "ʳ"
|
||
's', // "ˢ"
|
||
't', // "ᵗ"
|
||
'u', // "ᵘ"
|
||
'v', // "ᵛ"
|
||
'w', // "ʷ"
|
||
'x', // "ˣ"
|
||
'y', // "ʸ"
|
||
'z', // "ᶻ"
|
||
'A', // "ᴬ"
|
||
'B', // "ᴮ"
|
||
'D', // "ᴰ"
|
||
'E', // "ᴱ"
|
||
'G', // "ᴳ"
|
||
'H', // "ᴴ"
|
||
'I', // "ᴵ"
|
||
'J', // "ᴶ"
|
||
'K', // "ᴷ"
|
||
'L', // "ᴸ"
|
||
'M', // "ᴹ"
|
||
'N', // "ᴺ"
|
||
'O', // "ᴼ"
|
||
'P', // "ᴾ"
|
||
'R', // "ᴿ"
|
||
'T', // "ᵀ"
|
||
'U', // "ᵁ"
|
||
'W', // "ᵂ"
|
||
};
|
||
for (int i = 0; i < text.Length; i++)
|
||
{
|
||
char s = text[i];
|
||
int index = normal.IndexOf(s);
|
||
if (index >= 0)
|
||
{
|
||
sb.Append(superscript[index]);
|
||
}
|
||
else
|
||
{
|
||
sb.Append(s);
|
||
}
|
||
}
|
||
return sb.ToString();
|
||
}
|
||
|
||
public static string ToSubscript(string text)
|
||
{
|
||
var sb = new StringBuilder();
|
||
var subcript = new List<char>{
|
||
'₀',
|
||
'₁',
|
||
'₂',
|
||
'₃',
|
||
'₄',
|
||
'₅',
|
||
'₆',
|
||
'₇',
|
||
'₈',
|
||
'₉',
|
||
'₊',
|
||
'₋',
|
||
'₌',
|
||
'₍',
|
||
'₎',
|
||
'ₐ',
|
||
'ₑ',
|
||
'ᵢ',
|
||
'ₒ',
|
||
'ᵣ',
|
||
'ᵤ',
|
||
'ᵥ',
|
||
'ₓ',
|
||
};
|
||
var normal = new List<char>
|
||
{
|
||
'0', // "₀"
|
||
'1', // "₁"
|
||
'2', // "₂"
|
||
'3', // "₃"
|
||
'4', // "₄"
|
||
'5', // "₅"
|
||
'6', // "₆"
|
||
'7', // "₇"
|
||
'8', // "₈"
|
||
'9', // "₉"
|
||
'+', // "₊"
|
||
'-', // "₋"
|
||
'=', // "₌"
|
||
'(', // "₍"
|
||
')', // "₎"
|
||
'a', // "ₐ"
|
||
'e', // "ₑ"
|
||
'i', // "ᵢ"
|
||
'o', // "ₒ"
|
||
'r', // "ᵣ"
|
||
'u', // "ᵤ"
|
||
'v', // "ᵥ"
|
||
'x', // "ₓ"
|
||
};
|
||
for (int i = 0; i < text.Length; i++)
|
||
{
|
||
char s = text[i];
|
||
int index = normal.IndexOf(s);
|
||
if (index >= 0)
|
||
{
|
||
sb.Append(subcript[index]);
|
||
}
|
||
else
|
||
{
|
||
sb.Append(s);
|
||
}
|
||
}
|
||
return sb.ToString();
|
||
}
|
||
|
||
public static string FixQuotes(string text)
|
||
{
|
||
if (string.IsNullOrEmpty(text))
|
||
{
|
||
return text;
|
||
}
|
||
|
||
if (text.StartsWith('"') && text.Length > 1)
|
||
{
|
||
text = text.Substring(1);
|
||
}
|
||
|
||
if (text.EndsWith('"') && text.Length >= 1)
|
||
{
|
||
text = text.Substring(0, text.Length - 1);
|
||
}
|
||
|
||
return text.Replace("\"\"", "\"");
|
||
}
|
||
|
||
public static Color GetColorFromFontString(string text, Color defaultColor)
|
||
{
|
||
string s = text.TrimEnd();
|
||
int start = s.IndexOf("<font ", StringComparison.OrdinalIgnoreCase);
|
||
if (start >= 0 && s.EndsWith("</font>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
int end = s.IndexOf('>', start);
|
||
if (end > 0)
|
||
{
|
||
string f = s.Substring(start, end - start);
|
||
if (f.Contains(" color="))
|
||
{
|
||
int colorStart = f.IndexOf(" color=", StringComparison.OrdinalIgnoreCase);
|
||
if (s.IndexOf('"', colorStart + " color=".Length + 1) > 0)
|
||
{
|
||
end = s.IndexOf('"', colorStart + " color=".Length + 1);
|
||
}
|
||
|
||
s = s.Substring(colorStart, end - colorStart);
|
||
s = s.Replace(" color=", string.Empty);
|
||
s = s.Trim('\'').Trim('"').Trim('\'');
|
||
try
|
||
{
|
||
if (s.StartsWith("rgb(", StringComparison.Ordinal))
|
||
{
|
||
var arr = s.Remove(0, 4).TrimEnd(')').Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
|
||
return Color.FromArgb(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]));
|
||
}
|
||
return ColorTranslator.FromHtml(s);
|
||
}
|
||
catch
|
||
{
|
||
return defaultColor;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return defaultColor;
|
||
}
|
||
|
||
public static string[] SplitForChangedCalc(string s, bool ignoreLineBreaks, bool ignoreFormatting, bool breakToLetters)
|
||
{
|
||
const string endChars = "!?.…:;,#%$£";
|
||
var list = new List<string>();
|
||
|
||
if (ignoreFormatting)
|
||
{
|
||
s = HtmlUtil.RemoveHtmlTags(s, true);
|
||
}
|
||
|
||
if (breakToLetters)
|
||
{
|
||
foreach (char ch in s)
|
||
{
|
||
list.Add(ch.ToString());
|
||
}
|
||
}
|
||
else
|
||
{
|
||
var word = new StringBuilder();
|
||
int i = 0;
|
||
while (i < s.Length)
|
||
{
|
||
if (s.Substring(i).StartsWith(Environment.NewLine, StringComparison.Ordinal))
|
||
{
|
||
if (word.Length > 0)
|
||
{
|
||
list.Add(word.ToString());
|
||
}
|
||
|
||
word.Clear();
|
||
if (!ignoreLineBreaks)
|
||
{
|
||
list.Add(Environment.NewLine);
|
||
}
|
||
|
||
i += Environment.NewLine.Length;
|
||
}
|
||
else if (s[i] == ' ')
|
||
{
|
||
if (word.Length > 0)
|
||
{
|
||
list.Add(word.ToString());
|
||
}
|
||
|
||
word.Clear();
|
||
i++;
|
||
}
|
||
else if (endChars.Contains(s[i]) && (word.Length == 0 || endChars.Contains(word[0])))
|
||
{
|
||
word.Append(s[i]);
|
||
i++;
|
||
}
|
||
else if (endChars.Contains(s[i]))
|
||
{
|
||
if (word.Length > 0)
|
||
{
|
||
list.Add(word.ToString());
|
||
}
|
||
|
||
word.Clear();
|
||
word.Append(s[i]);
|
||
i++;
|
||
}
|
||
else
|
||
{
|
||
word.Append(s[i]);
|
||
i++;
|
||
}
|
||
}
|
||
if (word.Length > 0)
|
||
{
|
||
list.Add(word.ToString());
|
||
}
|
||
}
|
||
return list.ToArray();
|
||
}
|
||
|
||
public static void GetTotalAndChangedWords(string s1, string s2, ref int total, ref int change, bool ignoreLineBreaks, bool ignoreFormatting, bool breakToLetters)
|
||
{
|
||
var parts1 = SplitForChangedCalc(s1, ignoreLineBreaks, ignoreFormatting, breakToLetters);
|
||
var parts2 = SplitForChangedCalc(s2, ignoreLineBreaks, ignoreFormatting, breakToLetters);
|
||
total += Math.Max(parts1.Length, parts2.Length);
|
||
change += GetChangesAdvanced(parts1, parts2);
|
||
}
|
||
|
||
private static int GetChangesAdvanced(string[] parts1, string[] parts2)
|
||
{
|
||
int i1 = 0;
|
||
int i2 = 0;
|
||
int i = 0;
|
||
int c = 0;
|
||
var max = Math.Max(parts1.Length, parts2.Length);
|
||
while (i < max && i1 < parts1.Length && i2 < parts2.Length)
|
||
{
|
||
if (parts1[i1] == parts2[i2])
|
||
{
|
||
i1++;
|
||
i2++;
|
||
}
|
||
else
|
||
{
|
||
int i1Next = FindNext(parts2[i2], parts1, i1);
|
||
int i2Next = FindNext(parts1[i1], parts2, i2);
|
||
if (i1Next < i2Next)
|
||
{
|
||
c += i1Next - i1;
|
||
i1 = i1Next + 1;
|
||
i2++;
|
||
}
|
||
else if (i2Next < i1Next)
|
||
{
|
||
c += i2Next - i2;
|
||
i1++;
|
||
i2 = i2Next + 1;
|
||
}
|
||
else
|
||
{
|
||
i1++;
|
||
i2++;
|
||
c++;
|
||
}
|
||
}
|
||
i++;
|
||
}
|
||
if (i1 == parts1.Length && i2 == parts2.Length)
|
||
{
|
||
return c;
|
||
}
|
||
|
||
return c + Math.Abs(parts1.Length - parts2.Length);
|
||
}
|
||
|
||
private static int FindNext(string s, string[] parts, int startIndex)
|
||
{
|
||
for (; startIndex < parts.Length; startIndex++)
|
||
{
|
||
if (s == parts[startIndex])
|
||
{
|
||
return startIndex;
|
||
}
|
||
}
|
||
return int.MaxValue;
|
||
}
|
||
|
||
public static string RemoveNonNumbers(string p)
|
||
{
|
||
if (string.IsNullOrEmpty(p))
|
||
{
|
||
return p;
|
||
}
|
||
|
||
var sb = new StringBuilder();
|
||
foreach (var c in p)
|
||
{
|
||
if (char.IsDigit(c))
|
||
{
|
||
sb.Append(c);
|
||
}
|
||
}
|
||
return sb.ToString();
|
||
}
|
||
|
||
private static readonly Regex RemoveSpaceBetweenNumbersRegex = new Regex(@"(?<=\b\d+) \d(?!/\d)", RegexOptions.Compiled);
|
||
|
||
public static string RemoveSpaceBetweenNumbers(string text)
|
||
{
|
||
if (!string.IsNullOrEmpty(text))
|
||
{
|
||
var match = RemoveSpaceBetweenNumbersRegex.Match(text);
|
||
while (match.Success)
|
||
{
|
||
text = text.Remove(match.Index, 1);
|
||
match = RemoveSpaceBetweenNumbersRegex.Match(text, match.Index);
|
||
}
|
||
}
|
||
return text;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Remove unneeded spaces
|
||
/// </summary>
|
||
/// <param name="input">text string to remove unneeded spaces from</param>
|
||
/// <param name="language">two letter language id string</param>
|
||
/// <returns>text with unneeded spaces removed</returns>
|
||
public static string RemoveUnneededSpaces(string input, string language)
|
||
{
|
||
const char zeroWidthSpace = '\u200B';
|
||
const char zeroWidthNoBreakSpace = '\uFEFF';
|
||
const char noBreakSpace = '\u00A0';
|
||
const char operatingSystemCommand = '\u009D';
|
||
|
||
var text = input.Trim();
|
||
int len = text.Length;
|
||
int count = 0;
|
||
char[] textChars = new char[len];
|
||
for (int i = 0; i < len; i++)
|
||
{
|
||
char ch = text[i];
|
||
switch (ch)
|
||
{
|
||
// Ignore: \u200B, \uFEFF and \u009D.
|
||
case zeroWidthSpace:
|
||
case zeroWidthNoBreakSpace:
|
||
case operatingSystemCommand:
|
||
break;
|
||
// Replace: \t or \u00A0 with white-space.
|
||
case '\t':
|
||
case noBreakSpace:
|
||
textChars[count++] = ' ';
|
||
break;
|
||
default:
|
||
textChars[count++] = ch;
|
||
break;
|
||
}
|
||
}
|
||
// Construct new string from textChars.
|
||
text = new string(textChars, 0, count);
|
||
text = text.FixExtraSpaces();
|
||
|
||
if (text.EndsWith(' '))
|
||
{
|
||
text = text.Substring(0, text.Length - 1);
|
||
}
|
||
|
||
const string ellipses = "...";
|
||
text = text.Replace(". . ..", ellipses);
|
||
text = text.Replace(". ...", ellipses);
|
||
text = text.Replace(". .. .", ellipses);
|
||
text = text.Replace(". . .", ellipses);
|
||
text = text.Replace(". ..", ellipses);
|
||
text = text.Replace(".. .", ellipses);
|
||
|
||
// Fix recursive: ...
|
||
while (text.Contains("...."))
|
||
{
|
||
text = text.Replace("....", ellipses);
|
||
}
|
||
|
||
text = text.Replace(" ..." + Environment.NewLine, "..." + Environment.NewLine);
|
||
text = text.Replace(Environment.NewLine + "... ", Environment.NewLine + "...");
|
||
text = text.Replace(Environment.NewLine + "<i>... ", Environment.NewLine + "<i>...");
|
||
text = text.Replace(Environment.NewLine + "- ... ", Environment.NewLine + "- ...");
|
||
text = text.Replace(Environment.NewLine + "<i>- ... ", Environment.NewLine + "<i>- ...");
|
||
text = text.Replace(Environment.NewLine + "- ... ", Environment.NewLine + "- ...");
|
||
|
||
if (text.StartsWith("... ", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(3, 1);
|
||
}
|
||
|
||
if (text.EndsWith(" ...", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(text.Length - 4, 1);
|
||
}
|
||
|
||
if (text.EndsWith(" ...</i>", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(text.Length - 8, 1);
|
||
}
|
||
|
||
if (text.StartsWith("- ... ", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(5, 1);
|
||
}
|
||
|
||
if (text.StartsWith("<i>... ", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(6, 1);
|
||
}
|
||
|
||
if (language != "fr") // special rules for French
|
||
{
|
||
text = text.Replace("... ?", "...?");
|
||
text = text.Replace("... !", "...!");
|
||
|
||
text = text.Replace(" :", ":");
|
||
text = text.Replace(" :", ":");
|
||
}
|
||
|
||
if (!text.Contains("- ..."))
|
||
{
|
||
text = text.Replace(" ... ", "... ");
|
||
}
|
||
|
||
while (text.Contains(" ,"))
|
||
{
|
||
text = text.Replace(" ,", ",");
|
||
}
|
||
|
||
if (text.EndsWith(" .", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(text.Length - 2, 1);
|
||
}
|
||
|
||
if (text.EndsWith(" \"", StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(text.Length - 2, 1);
|
||
}
|
||
|
||
if (text.Contains(" \"" + Environment.NewLine))
|
||
{
|
||
text = text.Replace(" \"" + Environment.NewLine, "\"" + Environment.NewLine);
|
||
}
|
||
|
||
if (text.Contains(" ." + Environment.NewLine))
|
||
{
|
||
text = text.Replace(" ." + Environment.NewLine, "." + Environment.NewLine);
|
||
}
|
||
|
||
if (language != "fr") // special rules for French
|
||
{
|
||
if (text.Contains(" !"))
|
||
{
|
||
text = text.Replace(" !", "!");
|
||
}
|
||
|
||
if (text.Contains(" ?"))
|
||
{
|
||
text = text.Replace(" ?", "?");
|
||
}
|
||
}
|
||
|
||
if (text.Contains(" . "))
|
||
{
|
||
var regex = new Regex(@"[a-z] \. [A-Z]");
|
||
var match = regex.Match(text);
|
||
while (match.Success)
|
||
{
|
||
text = text.Remove(match.Index + 1, 1);
|
||
match = regex.Match(text);
|
||
}
|
||
}
|
||
|
||
while (text.Contains("¿ "))
|
||
{
|
||
text = text.Replace("¿ ", "¿");
|
||
}
|
||
|
||
while (text.Contains("¡ "))
|
||
{
|
||
text = text.Replace("¡ ", "¡");
|
||
}
|
||
|
||
// Italic
|
||
if (text.Contains("<i>", StringComparison.OrdinalIgnoreCase) && text.Contains("</i>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
text = RemoveSpaceBeforeAfterTag(text, "<i>");
|
||
}
|
||
|
||
// Bold
|
||
if (text.Contains("<b>", StringComparison.OrdinalIgnoreCase) && text.Contains("</b>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
text = RemoveSpaceBeforeAfterTag(text, "<b>");
|
||
}
|
||
|
||
// Underline
|
||
if (text.Contains("<u>", StringComparison.OrdinalIgnoreCase) && text.Contains("</u>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
text = RemoveSpaceBeforeAfterTag(text, "<u>");
|
||
}
|
||
|
||
// Font
|
||
if (text.Contains("<font ", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
var idx = text.IndexOf("<font ", StringComparison.OrdinalIgnoreCase);
|
||
var endIdx = text.IndexOf('>', idx + 6);
|
||
if (endIdx > idx && endIdx < text.Length - 8)
|
||
{
|
||
var color = text.Substring(idx, (endIdx - idx) + 1).ToLowerInvariant();
|
||
text = RemoveSpaceBeforeAfterTag(text, color);
|
||
}
|
||
}
|
||
text = text.Trim();
|
||
text = text.Replace(Environment.NewLine + " ", Environment.NewLine);
|
||
|
||
if (text.Contains("- ") && text.Length > 5)
|
||
{
|
||
int idx = text.IndexOf("- ", 2, StringComparison.Ordinal);
|
||
if (text.StartsWith("<i>", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
idx = text.IndexOf("- ", 5, StringComparison.Ordinal);
|
||
}
|
||
|
||
while (idx > 0)
|
||
{
|
||
if (idx > 0 && idx < text.Length - 2)
|
||
{
|
||
string before = string.Empty;
|
||
int k = idx - 1;
|
||
while (k >= 0 && char.IsLetterOrDigit(text[k]))
|
||
{
|
||
before = text[k--] + before;
|
||
}
|
||
string after = string.Empty;
|
||
k = idx + 2;
|
||
while (k < text.Length && char.IsLetter(text[k]))
|
||
{
|
||
after = after + text[k++];
|
||
}
|
||
if (after.Length > 0 && after.Equals(before, StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
text = text.Remove(idx + 1, 1);
|
||
}
|
||
else if (before.Length > 0)
|
||
{
|
||
if ((language != "en" ||
|
||
!after.Equals("and", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("or", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "es" ||
|
||
!after.Equals("y", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("o", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "da" ||
|
||
!after.Equals("og", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("eller", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "de" ||
|
||
!after.Equals("und", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("oder", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "fi" ||
|
||
!after.Equals("ja", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("tai", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "fr" ||
|
||
!after.Equals("et", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("ou", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "it" ||
|
||
!after.Equals("e", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("o", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "nl" ||
|
||
!after.Equals("en", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("of", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "pl" ||
|
||
!after.Equals("i", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("czy", StringComparison.OrdinalIgnoreCase)) &&
|
||
(language != "pt" ||
|
||
!after.Equals("e", StringComparison.OrdinalIgnoreCase) &&
|
||
!after.Equals("ou", StringComparison.OrdinalIgnoreCase)))
|
||
{
|
||
text = text.Remove(idx + 1, 1);
|
||
}
|
||
}
|
||
}
|
||
if (idx + 1 < text.Length && idx != -1)
|
||
{
|
||
idx = text.IndexOf("- ", idx + 1, StringComparison.Ordinal);
|
||
}
|
||
else
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (CountTagInText(text, '"') == 2 && text.Contains(" \" "))
|
||
{
|
||
int idx = text.IndexOf(" \" ", StringComparison.Ordinal);
|
||
int idxp = text.IndexOf('"');
|
||
|
||
//"Foo " bar.
|
||
if ((idxp >= 0 && idxp < idx) && char.IsLetterOrDigit(text[idx - 1]) && !" \r\n".Contains(text[idxp + 1]))
|
||
{
|
||
text = text.Remove(idx, 1);
|
||
}
|
||
|
||
//" Foo " bar.
|
||
idx = text.IndexOf(" \" ", StringComparison.Ordinal);
|
||
idxp = text.IndexOf('"');
|
||
if (idxp >= 0 && idx > idxp)
|
||
{
|
||
if (text[idxp + 1] == ' ' && char.IsLetterOrDigit(text[idxp + 2]))
|
||
{
|
||
text = text.Remove(idxp + 1, 1);
|
||
idx--;
|
||
}
|
||
text = text.Remove(idx, 1);
|
||
}
|
||
}
|
||
|
||
// Fix spaces after quotes
|
||
// e.g: Foobar. " Foobar" => Foobar. "Foobar"
|
||
string preText = string.Empty;
|
||
if (text.LineStartsWithHtmlTag(true, true))
|
||
{
|
||
int endIdx = text.IndexOf('>') + 1;
|
||
preText = text.Substring(0, endIdx);
|
||
text = text.Substring(endIdx);
|
||
}
|
||
if (text.StartsWith('"'))
|
||
{
|
||
text = '"' + text.Substring(1).TrimStart();
|
||
}
|
||
text = preText + text;
|
||
|
||
// Fix spaces before quotes at line ending
|
||
string postText = string.Empty;
|
||
if (text.LineEndsWithHtmlTag(true, true))
|
||
{
|
||
int endIdx = text.LastIndexOf('<');
|
||
postText = text.Substring(endIdx);
|
||
text = text.Substring(0, endIdx);
|
||
}
|
||
if (text.EndsWith(" \""))
|
||
{
|
||
text = text.Remove(text.Length - 2, 1);
|
||
}
|
||
text = text + postText;
|
||
|
||
text = text.Replace(". \" ", ". \"");
|
||
text = text.Replace("? \" ", "? \"");
|
||
text = text.Replace("! \" ", "! \"");
|
||
text = text.Replace(") \" ", ") \"");
|
||
text = text.Replace("> \" ", "> \"");
|
||
|
||
while (text.Contains(" . "))
|
||
{
|
||
text = text.Replace(" . ", ". ");
|
||
}
|
||
|
||
return text;
|
||
}
|
||
|
||
public static string RemoveSpaceBeforeAfterTag(string input, string openTag)
|
||
{
|
||
var text = HtmlUtil.FixUpperTags(input);
|
||
var closeTag = string.Empty;
|
||
switch (openTag)
|
||
{
|
||
case "<i>":
|
||
closeTag = "</i>";
|
||
break;
|
||
case "<b>":
|
||
closeTag = "</b>";
|
||
break;
|
||
case "<u>":
|
||
closeTag = "</u>";
|
||
break;
|
||
}
|
||
|
||
if (closeTag.Length == 0 && openTag.Contains("<font ", StringComparison.Ordinal))
|
||
{
|
||
closeTag = "</font>";
|
||
}
|
||
|
||
// Open tags
|
||
var open1 = openTag + " ";
|
||
var open2 = Environment.NewLine + openTag + " ";
|
||
var open3 = openTag + Environment.NewLine;
|
||
|
||
// Closing tags
|
||
var close1 = "! " + closeTag + Environment.NewLine;
|
||
var close2 = "? " + closeTag + Environment.NewLine;
|
||
var close3 = " " + closeTag;
|
||
var close4 = " " + closeTag + Environment.NewLine;
|
||
var close5 = Environment.NewLine + closeTag;
|
||
|
||
if (text.Contains(close1, StringComparison.Ordinal))
|
||
{
|
||
text = text.Replace(close1, "!" + closeTag + Environment.NewLine);
|
||
}
|
||
|
||
if (text.Contains(close2, StringComparison.Ordinal))
|
||
{
|
||
text = text.Replace(close2, "?" + closeTag + Environment.NewLine);
|
||
}
|
||
|
||
if (text.EndsWith(close3, StringComparison.Ordinal))
|
||
{
|
||
text = text.Substring(0, text.Length - close3.Length) + closeTag;
|
||
}
|
||
|
||
if (text.Contains(close4))
|
||
{
|
||
text = text.Replace(close4, closeTag + Environment.NewLine);
|
||
}
|
||
|
||
// e.g: ! </i><br>Foobar
|
||
if (text.StartsWith(open1, StringComparison.Ordinal))
|
||
{
|
||
text = openTag + text.Substring(open1.Length);
|
||
}
|
||
|
||
// e.g.: <i>\r\n
|
||
if (text.StartsWith(open3, StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(openTag.Length, Environment.NewLine.Length);
|
||
}
|
||
|
||
// e.g.: \r\n</i>
|
||
if (text.EndsWith(close5, StringComparison.Ordinal))
|
||
{
|
||
text = text.Remove(text.Length - openTag.Length - Environment.NewLine.Length - 1, Environment.NewLine.Length);
|
||
}
|
||
|
||
if (text.Contains(open2, StringComparison.Ordinal))
|
||
{
|
||
text = text.Replace(open2, Environment.NewLine + openTag);
|
||
}
|
||
|
||
// Hi <i> bad</i> man! -> Hi <i>bad</i> man!
|
||
text = text.Replace(" " + openTag + " ", " " + openTag);
|
||
text = text.Replace(Environment.NewLine + openTag + " ", Environment.NewLine + openTag);
|
||
|
||
// Hi <i>bad </i> man! -> Hi <i>bad</i> man!
|
||
text = text.Replace(" " + closeTag + " ", closeTag + " ");
|
||
text = text.Replace(" " + closeTag + Environment.NewLine, closeTag + Environment.NewLine);
|
||
|
||
text = text.Trim();
|
||
if (text.StartsWith(open1, StringComparison.Ordinal))
|
||
{
|
||
text = openTag + text.Substring(open1.Length);
|
||
}
|
||
|
||
return text;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Creates a task that will complete after a time delay.
|
||
/// </summary>
|
||
/// <param name="millisecondsDelay">The number of milliseconds to wait before completing the returned task.</param>
|
||
/// <returns>A task that represents the time delay.</returns>
|
||
public static Task TaskDelay(int millisecondsDelay)
|
||
{
|
||
var tcs = new TaskCompletionSource<object>();
|
||
var t = new System.Threading.Timer(_ => tcs.SetResult(null));
|
||
t.Change(millisecondsDelay, -1);
|
||
return tcs.Task;
|
||
}
|
||
|
||
public static SubtitleFormat LoadMatroskaTextSubtitle(MatroskaTrackInfo matroskaSubtitleInfo, MatroskaFile matroska, List<MatroskaSubtitle> sub, Subtitle subtitle)
|
||
{
|
||
if (subtitle == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(subtitle));
|
||
}
|
||
|
||
subtitle.Paragraphs.Clear();
|
||
|
||
var isSsa = false;
|
||
SubtitleFormat format = new SubRip();
|
||
var codecPrivate = matroskaSubtitleInfo.GetCodecPrivate();
|
||
if (codecPrivate.Contains("[script info]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
if (codecPrivate.Contains("[V4 Styles]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
format = new SubStationAlpha();
|
||
}
|
||
else
|
||
{
|
||
format = new AdvancedSubStationAlpha();
|
||
}
|
||
|
||
isSsa = true;
|
||
}
|
||
|
||
if (isSsa)
|
||
{
|
||
foreach (var p in LoadMatroskaSSA(matroskaSubtitleInfo, matroska.Path, format, sub).Paragraphs)
|
||
{
|
||
subtitle.Paragraphs.Add(p);
|
||
}
|
||
|
||
if (!string.IsNullOrEmpty(codecPrivate))
|
||
{
|
||
bool eventsStarted = false;
|
||
bool fontsStarted = false;
|
||
bool graphicsStarted = false;
|
||
var header = new StringBuilder();
|
||
foreach (string line in codecPrivate.Replace(Environment.NewLine, "\n").Split('\n'))
|
||
{
|
||
if (!eventsStarted && !fontsStarted && !graphicsStarted)
|
||
{
|
||
header.AppendLine(line);
|
||
}
|
||
|
||
if (line.TrimStart().StartsWith("dialog:", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
eventsStarted = true;
|
||
fontsStarted = false;
|
||
graphicsStarted = false;
|
||
}
|
||
else if (line.Trim().Equals("[events]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
eventsStarted = true;
|
||
fontsStarted = false;
|
||
graphicsStarted = false;
|
||
}
|
||
else if (line.Trim().Equals("[fonts]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
eventsStarted = false;
|
||
fontsStarted = true;
|
||
graphicsStarted = false;
|
||
}
|
||
else if (line.Trim().Equals("[graphics]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
eventsStarted = false;
|
||
fontsStarted = false;
|
||
graphicsStarted = true;
|
||
}
|
||
}
|
||
subtitle.Header = header.ToString().TrimEnd();
|
||
if (!subtitle.Header.Contains("[events]", StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
subtitle.Header += Environment.NewLine + Environment.NewLine + "[Events]" + Environment.NewLine;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
foreach (var p in sub)
|
||
{
|
||
subtitle.Paragraphs.Add(new Paragraph(p.GetText(matroskaSubtitleInfo), p.Start, p.End));
|
||
}
|
||
}
|
||
subtitle.Renumber();
|
||
return format;
|
||
}
|
||
|
||
public static Subtitle LoadMatroskaSSA(MatroskaTrackInfo matroskaSubtitleInfo, string fileName, SubtitleFormat format, List<MatroskaSubtitle> sub)
|
||
{
|
||
var codecPrivate = matroskaSubtitleInfo.GetCodecPrivate();
|
||
var subtitle = new Subtitle { Header = codecPrivate };
|
||
var lines = subtitle.Header.Trim().SplitToLines();
|
||
var footer = new StringBuilder();
|
||
var comments = new Subtitle();
|
||
if (!string.IsNullOrEmpty(codecPrivate))
|
||
{
|
||
bool footerOn = false;
|
||
char[] splitChars = { ':', '.' };
|
||
foreach (string line in lines)
|
||
{
|
||
if (footerOn)
|
||
{
|
||
footer.AppendLine(line);
|
||
}
|
||
else if (line.Trim() == "[Events]")
|
||
{
|
||
}
|
||
else if (line.Trim() == "[Fonts]" || line.Trim() == "[Graphics]")
|
||
{
|
||
footerOn = true;
|
||
footer.AppendLine();
|
||
footer.AppendLine();
|
||
footer.AppendLine(line);
|
||
}
|
||
else if (line.StartsWith("Comment:", StringComparison.Ordinal))
|
||
{
|
||
var arr = line.Split(',');
|
||
if (arr.Length > 3)
|
||
{
|
||
arr = arr[1].Split(splitChars);
|
||
if (arr.Length == 4)
|
||
{
|
||
if (int.TryParse(arr[0], out var hour) && int.TryParse(arr[1], out var min) &&
|
||
int.TryParse(arr[2], out var sec) && int.TryParse(arr[3], out var ms))
|
||
{
|
||
comments.Paragraphs.Add(new Paragraph(new TimeCode(hour, min, sec, ms * 10), new TimeCode(), line));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
const string headerFormat = "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text";
|
||
if (!subtitle.Header.Contains("[Events]"))
|
||
{
|
||
subtitle.Header = subtitle.Header.Trim() + Environment.NewLine +
|
||
Environment.NewLine +
|
||
"[Events]" + Environment.NewLine +
|
||
headerFormat + Environment.NewLine;
|
||
}
|
||
else if (subtitle.Header.LastIndexOf("Format:", StringComparison.Ordinal) < subtitle.Header.IndexOf("[Events]", StringComparison.Ordinal))
|
||
{
|
||
subtitle.Header = subtitle.Header.Remove(subtitle.Header.IndexOf("[Events]", StringComparison.Ordinal));
|
||
subtitle.Header = subtitle.Header.Trim() + Environment.NewLine +
|
||
Environment.NewLine +
|
||
"[Events]" + Environment.NewLine +
|
||
headerFormat + Environment.NewLine;
|
||
}
|
||
else
|
||
{
|
||
subtitle.Header = subtitle.Header.Trim() + Environment.NewLine;
|
||
}
|
||
|
||
lines = new List<string>();
|
||
foreach (string l in subtitle.Header.Trim().SplitToLines())
|
||
{
|
||
lines.Add(l);
|
||
}
|
||
|
||
const string timeCodeFormat = "{0}:{1:00}:{2:00}.{3:00}"; // h:mm:ss.cc
|
||
foreach (var mp in sub)
|
||
{
|
||
var p = new Paragraph(string.Empty, mp.Start, mp.End);
|
||
string start = string.Format(timeCodeFormat, p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, p.StartTime.Milliseconds / 10);
|
||
string end = string.Format(timeCodeFormat, p.EndTime.Hours, p.EndTime.Minutes, p.EndTime.Seconds, p.EndTime.Milliseconds / 10);
|
||
|
||
//MKS contains this: ReadOrder, Layer, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||
|
||
for (int commentIndex = 0; commentIndex < comments.Paragraphs.Count; commentIndex++)
|
||
{
|
||
var cp = comments.Paragraphs[commentIndex];
|
||
if (cp.StartTime.TotalMilliseconds <= p.StartTime.TotalMilliseconds)
|
||
{
|
||
lines.Add(cp.Text);
|
||
}
|
||
}
|
||
for (int commentIndex = comments.Paragraphs.Count - 1; commentIndex >= 0; commentIndex--)
|
||
{
|
||
var cp = comments.Paragraphs[commentIndex];
|
||
if (cp.StartTime.TotalMilliseconds <= p.StartTime.TotalMilliseconds)
|
||
{
|
||
comments.Paragraphs.RemoveAt(commentIndex);
|
||
}
|
||
}
|
||
|
||
string text = mp.GetText(matroskaSubtitleInfo).Replace(Environment.NewLine, "\\N");
|
||
int idx = text.IndexOf(',') + 1;
|
||
if (idx > 0 && idx < text.Length)
|
||
{
|
||
text = text.Remove(0, idx); // remove ReadOrder
|
||
idx = text.IndexOf(',');
|
||
text = text.Insert(idx, "," + start + "," + end);
|
||
lines.Add("Dialogue: " + text);
|
||
}
|
||
}
|
||
for (int commentIndex = 0; commentIndex < comments.Paragraphs.Count; commentIndex++)
|
||
{
|
||
var cp = comments.Paragraphs[commentIndex];
|
||
lines.Add(cp.Text);
|
||
}
|
||
|
||
foreach (string l in footer.ToString().SplitToLines())
|
||
{
|
||
lines.Add(l);
|
||
}
|
||
|
||
format.LoadSubtitle(subtitle, lines, fileName);
|
||
return subtitle;
|
||
}
|
||
|
||
public static int GetNumberOfLines(string text)
|
||
{
|
||
if (string.IsNullOrEmpty(text))
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
int lines = 1;
|
||
int idx = text.IndexOf('\n');
|
||
while (idx >= 0)
|
||
{
|
||
lines++;
|
||
idx = text.IndexOf('\n', idx + 1);
|
||
}
|
||
return lines;
|
||
}
|
||
|
||
public static string Sha256Hash(string value)
|
||
{
|
||
using (var hasher = new System.Security.Cryptography.SHA256Managed())
|
||
{
|
||
var bytes = Encoding.UTF8.GetBytes(value);
|
||
var hash = hasher.ComputeHash(bytes);
|
||
return Convert.ToBase64String(hash, 0, hash.Length);
|
||
}
|
||
}
|
||
|
||
public static bool QualifiesForMerge(Paragraph p, Paragraph next, double maximumMillisecondsBetweenLines, int maximumTotalLength, bool onlyContinuationLines)
|
||
{
|
||
if (p?.Text != null && next?.Text != null)
|
||
{
|
||
var s = HtmlUtil.RemoveHtmlTags(p.Text.Trim(), true);
|
||
var nextText = HtmlUtil.RemoveHtmlTags(next.Text.Trim(), true);
|
||
if (s.Length + nextText.Length < maximumTotalLength && next.StartTime.TotalMilliseconds - p.EndTime.TotalMilliseconds < maximumMillisecondsBetweenLines)
|
||
{
|
||
if (string.IsNullOrEmpty(s))
|
||
{
|
||
return true;
|
||
}
|
||
|
||
bool isLineContinuation = s.EndsWith(',') ||
|
||
s.EndsWith('-') ||
|
||
s.EndsWith("...", StringComparison.Ordinal) ||
|
||
s.EndsWith("…", StringComparison.Ordinal) || // Unicode Character 'HORIZONTAL ELLIPSIS' (U+2026)
|
||
AllLettersAndNumbers.Contains(s.Substring(s.Length - 1));
|
||
|
||
if (!onlyContinuationLines)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
return isLineContinuation;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
public static string GetFileNameWithoutExtension(string fileName)
|
||
{
|
||
if (string.IsNullOrEmpty(fileName))
|
||
{
|
||
return fileName;
|
||
}
|
||
|
||
var idx = fileName.LastIndexOf('.');
|
||
if (idx > 0)
|
||
{
|
||
return fileName.Substring(0, idx);
|
||
}
|
||
|
||
return fileName;
|
||
}
|
||
|
||
public static string ReSplit(string text, int selectionStart)
|
||
{
|
||
if (string.IsNullOrWhiteSpace(text) || !text.Contains(" ") || selectionStart == 0)
|
||
{
|
||
return text;
|
||
}
|
||
|
||
var sb = new StringBuilder();
|
||
var isFixed = false;
|
||
for (int i = 0; i < text.Length; i++)
|
||
{
|
||
var ch = text[i];
|
||
|
||
if (!isFixed && ch == ' ' && (i > 0 && i + 1 == selectionStart || i >= selectionStart && ch == ' '))
|
||
{
|
||
sb.Append(Environment.NewLine);
|
||
isFixed = true;
|
||
}
|
||
|
||
sb.Append(ch == '\r' || ch == '\n' ? ' ' : ch);
|
||
}
|
||
|
||
if (!isFixed)
|
||
{
|
||
return text;
|
||
}
|
||
return sb.ToString().Replace(" ", " ").Replace(Environment.NewLine + " ", Environment.NewLine);
|
||
}
|
||
|
||
public static string FixRtlViaUnicodeChars(string input)
|
||
{
|
||
string rtl = "\u202B";
|
||
var text = input.Replace(rtl, string.Empty);
|
||
text = rtl + text.Replace(Environment.NewLine, Environment.NewLine + rtl);
|
||
return text;
|
||
}
|
||
}
|
||
}
|