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ConsoleApp/Properties/PublishProfiles/publish-single-file.pubxml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| /* | ||
| * More-or-less ripped straight from .NET Core runtime, with some ws/comments stripped out | ||
| * | ||
| * Licensed to the .NET Foundation under one or more agreements. | ||
| * The .NET Foundation licenses this file to you under the MIT license. | ||
| */ | ||
|
|
||
| // FIXME: This is very Windows-specific! This will probably be one of the things | ||
| // that needs fixed up if/when doing a Linux/Mono port. | ||
|
|
||
| using System; | ||
| using System.IO; | ||
| using System.Text; | ||
|
|
||
| namespace ConsoleApp { | ||
|
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| internal static class PathExt { | ||
|
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| private static bool IsDirectorySeparator(char c) => c == '\\' || c == '/'; | ||
| private static bool EndsInDirectorySeparator(string path) | ||
| => path.Length > 0 && IsDirectorySeparator(path[^1]); | ||
|
|
||
| private static unsafe int EqualStartingCharacterCount(string? first, string? second, bool ignoreCase) { | ||
| if (string.IsNullOrEmpty(first) || string.IsNullOrEmpty(second)) return 0; | ||
|
|
||
| int commonChars = 0; | ||
| fixed (char* f = first) | ||
| fixed (char* s = second) { | ||
| char* l = f; | ||
| char* r = s; | ||
| char* leftEnd = l + first!.Length; | ||
| char* rightEnd = r + second!.Length; | ||
|
|
||
| while (l != leftEnd && r != rightEnd | ||
| && (*l == *r || (ignoreCase && char.ToUpperInvariant(*l) == char.ToUpperInvariant(*r)))) { | ||
| commonChars++; | ||
| l++; | ||
| r++; | ||
| } | ||
| } | ||
|
|
||
| return commonChars; | ||
| } | ||
|
|
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| private static int GetCommonPathLength(string first, string second, bool ignoreCase) { | ||
| int commonChars = EqualStartingCharacterCount(first, second, ignoreCase); | ||
| if (commonChars == 0) return commonChars; | ||
| if (commonChars == first.Length && (commonChars == second.Length || | ||
| IsDirectorySeparator(second[commonChars]))) | ||
| return commonChars; | ||
| if (commonChars == second.Length && IsDirectorySeparator(first[commonChars])) | ||
| return commonChars; | ||
| while (commonChars > 0 && !IsDirectorySeparator(first[commonChars - 1])) | ||
| commonChars--; | ||
| return commonChars; | ||
| } | ||
|
|
||
| private static bool AreRootsEqual(string first, string second, StringComparison comparisonType) { | ||
| int firstRootLength = GetRootLength(first); | ||
| int secondRootLength = GetRootLength(second); | ||
|
|
||
| return firstRootLength == secondRootLength | ||
| && string.Compare( | ||
| strA: first, | ||
| indexA: 0, | ||
| strB: second, | ||
| indexB: 0, | ||
| length: firstRootLength, | ||
| comparisonType: comparisonType) == 0; | ||
| } | ||
|
|
||
| private const int | ||
| DevicePrefixLength = 4, | ||
| UncPrefixLength = 2, | ||
| UncExtendedPrefixLength = 8; | ||
|
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| private static bool IsExtended(string path) { | ||
| return path.Length >= DevicePrefixLength | ||
| && path[0] == '\\' | ||
| && (path[1] == '\\' || path[1] == '?') | ||
| && path[2] == '?' | ||
| && path[3] == '\\'; | ||
| } | ||
|
|
||
| private static bool IsDevice(string path) { | ||
| return IsExtended(path) | ||
| || | ||
| ( | ||
| path.Length >= DevicePrefixLength | ||
| && IsDirectorySeparator(path[0]) | ||
| && IsDirectorySeparator(path[1]) | ||
| && (path[2] == '.' || path[2] == '?') | ||
| && IsDirectorySeparator(path[3]) | ||
| ); | ||
| } | ||
|
|
||
| private static bool IsDeviceUNC(string path) { | ||
| return path.Length >= UncExtendedPrefixLength | ||
| && IsDevice(path) | ||
| && IsDirectorySeparator(path[7]) | ||
| && path[4] == 'U' | ||
| && path[5] == 'N' | ||
| && path[6] == 'C'; | ||
| } | ||
|
|
||
| private static bool IsValidDriveChar(char value) { | ||
| return (value >= 'A' && value <= 'Z') || (value >= 'a' && value <= 'z'); | ||
| } | ||
|
|
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| private static int GetRootLength(string path) { | ||
| int pathLength = path.Length; | ||
| int i = 0; | ||
|
|
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| bool deviceSyntax = IsDevice(path); | ||
| bool deviceUnc = deviceSyntax && IsDeviceUNC(path); | ||
| if ((!deviceSyntax || deviceUnc) && pathLength > 0 && IsDirectorySeparator(path[0])) { | ||
| if (deviceUnc || (pathLength > 1 && IsDirectorySeparator(path[1]))) { | ||
| i = deviceUnc ? UncExtendedPrefixLength : UncPrefixLength; | ||
| int n = 2; | ||
| while (i < pathLength && (!IsDirectorySeparator(path[i]) || --n > 0)) i++; | ||
| } else { | ||
| i = 1; | ||
| } | ||
| } else if (deviceSyntax) { | ||
| i = DevicePrefixLength; | ||
| while (i < pathLength && !IsDirectorySeparator(path[i])) i++; | ||
| if (i < pathLength && i > DevicePrefixLength && IsDirectorySeparator(path[i])) i++; | ||
| } | ||
| else if (pathLength >= 2 | ||
| && path[1] == ':' | ||
| && IsValidDriveChar(path[0])) { | ||
| i = 2; | ||
| if (pathLength > 2 && IsDirectorySeparator(path[2])) i++; | ||
| } | ||
| return i; | ||
| } | ||
|
|
||
| public static string GetRelativePath(string relativeTo, string path, StringComparison comparisonType = StringComparison.OrdinalIgnoreCase) { | ||
| if (relativeTo == null) throw new ArgumentNullException(nameof(relativeTo)); | ||
| if (string.IsNullOrWhiteSpace(path)) throw new ArgumentException("Empty path", nameof(relativeTo)); | ||
| if (path == null) throw new ArgumentNullException(nameof(path)); | ||
| if (string.IsNullOrWhiteSpace(path)) throw new ArgumentException("Empty path", nameof(path)); | ||
| relativeTo = Path.GetFullPath(relativeTo); | ||
| path = Path.GetFullPath(path); | ||
| if (!AreRootsEqual(relativeTo, path, comparisonType)) return path; | ||
| int commonLength = GetCommonPathLength(relativeTo, path, ignoreCase: comparisonType == StringComparison.OrdinalIgnoreCase); | ||
| if (commonLength == 0) return path; | ||
| int relativeToLength = relativeTo.Length; | ||
| if (EndsInDirectorySeparator(relativeTo)) relativeToLength--; | ||
| bool pathEndsInSeparator = EndsInDirectorySeparator(path); | ||
| int pathLength = path.Length; | ||
| if (pathEndsInSeparator) pathLength--; | ||
| if (relativeToLength == pathLength && commonLength >= relativeToLength) return "."; | ||
| var sb = new StringBuilder(); | ||
| sb.EnsureCapacity(Math.Max(relativeTo.Length, path.Length)); | ||
| if (commonLength < relativeToLength) { | ||
| sb.Append(".."); | ||
| for (int i = commonLength + 1; i < relativeToLength; i++) { | ||
| if (IsDirectorySeparator(relativeTo[i])) { | ||
| sb.Append("\\.."); | ||
| } | ||
| } | ||
| } | ||
| else if (IsDirectorySeparator(path[commonLength])) { | ||
| commonLength++; | ||
| } | ||
| int differenceLength = pathLength - commonLength; | ||
| if (pathEndsInSeparator) differenceLength++; | ||
| if (differenceLength > 0) { | ||
| if (sb.Length > 0) sb.Append(Path.DirectorySeparatorChar); | ||
| sb.Append(path.AsSpan(commonLength, differenceLength).ToString()); | ||
| } | ||
|
|
||
| return sb.ToString(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| namespace System | ||
| { | ||
| /* Polyfill for System.Index from .NET Core, to allow C# 8.0 [^n] notation */ | ||
| public readonly struct Index | ||
| { | ||
| private readonly int _val; | ||
| public Index(int val, bool fromend = false) | ||
| { | ||
| _val = val; | ||
| if (fromend) _val = ~_val; | ||
| } | ||
| public int GetOffset(int len) | ||
| { | ||
| if (_val < 0) return len + _val; | ||
| return _val; | ||
| } | ||
|
|
||
| public static implicit operator Index(int i) => new Index(i); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| namespace System | ||
| { | ||
| /* Polyfill for System.Index from .NET Core, to allow C# 8.0 [start..end] notation */ | ||
| public readonly struct Range | ||
| { | ||
| public Index Start { get; } | ||
| public Index End { get; } | ||
| public Range(Index start, Index end) { Start = start; End = end; } | ||
|
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| public static Range StartAt(Index start) => new Range(start, new Index(-1)); | ||
| public static Range EndAt(Index end) => new Range(new Index(0), end); | ||
| public static Range All => new Range(new Index(0), new Index(-1)); | ||
| } | ||
| } |
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