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Razmoth
154
AssetStudio/Brotli/Transform.cs
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154
AssetStudio/Brotli/Transform.cs
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/* Copyright 2015 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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namespace Org.Brotli.Dec
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{
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/// <summary>Transformations on dictionary words.</summary>
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internal sealed class Transform
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{
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private readonly byte[] prefix;
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private readonly int type;
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private readonly byte[] suffix;
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internal Transform(string prefix, int type, string suffix)
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{
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this.prefix = ReadUniBytes(prefix);
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this.type = type;
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this.suffix = ReadUniBytes(suffix);
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}
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internal static byte[] ReadUniBytes(string uniBytes)
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{
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byte[] result = new byte[uniBytes.Length];
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for (int i = 0; i < result.Length; ++i)
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{
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result[i] = unchecked((byte)uniBytes[i]);
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}
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return result;
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}
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internal static readonly Org.Brotli.Dec.Transform[] Transforms = new Org.Brotli.Dec.Transform[] { new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(string.Empty,
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Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst1, string.Empty), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " the "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity
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, string.Empty), new Org.Brotli.Dec.Transform("s ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " of "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.UppercaseFirst, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " and "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst2, string.Empty), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast1, string.Empty), new Org.Brotli.Dec.Transform(", ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
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, ", "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " in "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.Identity, " to "), new Org.Brotli.Dec.Transform("e ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\""), new Org.Brotli.Dec.Transform(string.Empty,
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Org.Brotli.Dec.WordTransformType.Identity, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\">"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\n"), new
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Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast3, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "]"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.Identity, " for "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst3, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast2, string.Empty), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " a "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " that "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst
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, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ". "), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
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.Identity, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst4, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " with "), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " from "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
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, " by "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst5, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst6, string.Empty), new Org.Brotli.Dec.Transform
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(" the ", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast4, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.Identity, ". The "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " on "), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " as "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " is "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast7
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, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast1, "ing "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\n\t"), new Org.Brotli.Dec.Transform(string.Empty
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, Org.Brotli.Dec.WordTransformType.Identity, ":"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, ". "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ed "), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst9, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst7, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.OmitLast6, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ", "), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast8, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " at "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.Identity, "ly "), new Org.Brotli.Dec.Transform(" the ", Org.Brotli.Dec.WordTransformType.Identity, " of "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast5, string.Empty), new Org.Brotli.Dec.Transform(
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string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast9, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst
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, "\""), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.UppercaseFirst, "\">"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "."), new Org.Brotli.Dec.Transform(".com/",
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Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" the ", Org.Brotli.Dec.WordTransformType.Identity, " of the "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst
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, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ". This "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ","), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType
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.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "."), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " not "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "er "
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), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "al "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
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.UppercaseAll, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "='"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "\""), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity,
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"ful "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, ". "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ive "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.Identity, "less "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "est "), new Org.Brotli.Dec.Transform
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(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "\">"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "='"
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), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ","), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ize "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
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.UppercaseAll, "."), new Org.Brotli.Dec.Transform("\u00c2\u00a0", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, ","), new Org.Brotli.Dec.Transform(string.Empty
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, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
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, "ous "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "='"), new Org.Brotli.Dec.Transform(" ",
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Org.Brotli.Dec.WordTransformType.UppercaseFirst, ","), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, ", "), new Org.Brotli.Dec.Transform
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(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, ","), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.
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UppercaseAll, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "='"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
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.UppercaseAll, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "='"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
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.UppercaseFirst, "='") };
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internal static int TransformDictionaryWord(byte[] dst, int dstOffset, byte[] word, int wordOffset, int len, Org.Brotli.Dec.Transform transform)
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{
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int offset = dstOffset;
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// Copy prefix.
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byte[] @string = transform.prefix;
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int tmp = @string.Length;
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int i = 0;
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// In most cases tmp < 10 -> no benefits from System.arrayCopy
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while (i < tmp)
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{
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dst[offset++] = @string[i++];
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}
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// Copy trimmed word.
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int op = transform.type;
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tmp = Org.Brotli.Dec.WordTransformType.GetOmitFirst(op);
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if (tmp > len)
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{
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tmp = len;
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}
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wordOffset += tmp;
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len -= tmp;
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len -= Org.Brotli.Dec.WordTransformType.GetOmitLast(op);
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i = len;
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while (i > 0)
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{
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dst[offset++] = word[wordOffset++];
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i--;
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}
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if (op == Org.Brotli.Dec.WordTransformType.UppercaseAll || op == Org.Brotli.Dec.WordTransformType.UppercaseFirst)
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{
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int uppercaseOffset = offset - len;
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if (op == Org.Brotli.Dec.WordTransformType.UppercaseFirst)
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{
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len = 1;
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}
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while (len > 0)
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{
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tmp = dst[uppercaseOffset] & unchecked((int)(0xFF));
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if (tmp < unchecked((int)(0xc0)))
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{
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if (tmp >= 'a' && tmp <= 'z')
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{
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dst[uppercaseOffset] ^= unchecked((byte)32);
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}
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uppercaseOffset += 1;
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len -= 1;
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}
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else if (tmp < unchecked((int)(0xe0)))
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{
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dst[uppercaseOffset + 1] ^= unchecked((byte)32);
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uppercaseOffset += 2;
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len -= 2;
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}
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else
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{
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dst[uppercaseOffset + 2] ^= unchecked((byte)5);
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uppercaseOffset += 3;
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len -= 3;
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}
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}
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}
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// Copy suffix.
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@string = transform.suffix;
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tmp = @string.Length;
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i = 0;
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while (i < tmp)
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{
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dst[offset++] = @string[i++];
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}
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return offset - dstOffset;
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}
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}
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}
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