66 lines
2.2 KiB
C#
Executable File
66 lines
2.2 KiB
C#
Executable File
using System.Globalization;
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using System.Text;
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using Dalamud.Bindings.ImGui;
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namespace HellionChat.Util;
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internal static class StringUtil
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{
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internal static byte[] ToTerminatedBytes(this string s)
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{
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var utf8 = Encoding.UTF8;
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var bytes = new byte[utf8.GetByteCount(s) + 1];
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utf8.GetBytes(s, 0, s.Length, bytes, 0);
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bytes[^1] = 0;
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return bytes;
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}
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// Taken from https://stackoverflow.com/a/4975942
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internal static string BytesToString(long byteCount)
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{
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string[] suf = ["B", "KB", "MB", "GB", "TB", "PB", "EB"]; // Longs run out around EB
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if (byteCount == 0)
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return "0" + suf[0];
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var bytes = Math.Abs(byteCount);
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var place = Convert.ToInt32(Math.Floor(Math.Log(bytes, 1024)));
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var num = Math.Round(bytes / Math.Pow(1024, place), 1);
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// "0.#" keeps the rounded fractional digit (1.5 GB stays "1.5GB"); "N0"
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// would truncate it back to integer. InvariantCulture pins the decimal
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// separator to '.' so a German locale doesn't render "1,5GB".
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return (Math.Sign(byteCount) * num).ToString("0.#", CultureInfo.InvariantCulture) + suf[place];
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}
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// Returns the text unchanged when it already fits the width budget,
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// otherwise the longest prefix plus a horizontal-ellipsis character that
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// still fits. Used by the chat header Honorific title slot and reused by
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// the chat-line truncation path in later cycles.
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public static string TruncateToFitWidth(string text, float maxWidth)
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{
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if (ImGui.CalcTextSize(text).X <= maxWidth)
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{
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return text;
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}
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// Binary-search the longest prefix that fits with an ellipsis.
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const string ellipsis = "…";
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var lo = 0;
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var hi = text.Length;
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while (lo < hi)
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{
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var mid = (lo + hi + 1) / 2;
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var candidate = text[..mid] + ellipsis;
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if (ImGui.CalcTextSize(candidate).X <= maxWidth)
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{
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lo = mid;
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}
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else
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{
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hi = mid - 1;
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}
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}
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return lo == 0 ? ellipsis : text[..lo] + ellipsis;
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}
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}
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