2023-02-16 12:57:06 +00:00
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using static System.Math;
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namespace InnovEnergy.Lib.Utils;
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public static class StringUtils
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{
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public static String AppendPath(this String left, String right)
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{
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return left.TrimEnd('/') + '/' + right.TrimStart('/');
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}
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public static String RemoveSuffix(this String s, String suffix)
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{
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return s.Substring(0, s.LastIndexOf(suffix, StringComparison.Ordinal));
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}
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public static String SafeToString(this Object? o)
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{
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return o?.ToString() ?? "<null>";
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}
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public static Int32 NumberOfLines(this String s)
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{
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return s.Split(new[] {Environment.NewLine}, StringSplitOptions.None).Length;
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}
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public static String NewLineBefore(this String s)
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{
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return Environment.NewLine + s;
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}
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public static String AddTitle(this String s, String title)
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{
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return title.Underline() + s;
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}
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public static String Underline(this String s)
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{
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return s.NewLine() + "".PadRight(s.Length, '-').NewLine(2);
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}
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public static Boolean IsNullOrEmpty(this String? s)
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{
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return String.IsNullOrEmpty(s);
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}
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public static Boolean IsNullOrWhiteSpace(this String? s)
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{
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return String.IsNullOrWhiteSpace(s);
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}
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public static String Format(this Object value, String fmt)
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{
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return String.Format(fmt, value);
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}
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public static String NewLine(this String s)
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{
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return s + Environment.NewLine;
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}
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public static String NewLine(this String s, Int32 number)
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{
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return Enumerable
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.Repeat(Environment.NewLine, number)
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.Aggregate(s, (a, b) => a + b);
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}
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public static String AppendSpaces(this String s, Int32 count = 4)
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{
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return s.PadRight(s.Length + count);
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}
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public static String Append(this String s, String other)
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{
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return s + other;
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}
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public static String Concat(this IEnumerable<String> ss)
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{
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return String.Join("", ss);
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}
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public static String SurroundWith(this String s, String beforeAfter)
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{
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return beforeAfter + s + beforeAfter;
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}
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public static String SurroundWith(this String s, String before, String after)
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{
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return before + s + after;
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}
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public static String ShellSingleQuote(this String s)
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{
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return $"'{s.Replace("'", @"'\''")}'";
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}
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// TODO: review
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public static String Quote(this String s)
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{
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return s.Replace(@"\", @"\\")
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.Replace("\"", "\\\"")
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.SurroundWith("\"");
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}
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public static String Join(this String separator, params Object[] objects)
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{
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return String.Join(separator, objects);
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}
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public static String Join(this IEnumerable<String> strings)
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{
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return String.Join("", strings);
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}
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public static String JoinWith(this IEnumerable<String> strings, String separator)
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{
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return String.Join(separator, strings);
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}
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public static String Indent(this String text)
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{
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return " ".SideBySideWith(text, "");
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}
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public static String Indent(this String text, Int32 amount)
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{
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return text.Indent("".PadLeft(amount));
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}
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public static String Indent(this String text, String indent)
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{
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return indent.SideBySideWith(text, "");
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}
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public static IReadOnlyList<String> SplitLines(this String s)
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{
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return s.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
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}
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public static String AlignLeft(this String s, Int32 width = 0)
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{
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var lines = s.SplitLines();
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var w = Max(lines.Max(l => l.Length), width);
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return lines
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.Select(l => l.PadRight(w))
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.JoinLines();
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}
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public static String AlignRight(this String s, Int32 width = 0)
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{
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var lines = s.SplitLines();
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var w = Max(lines.Max(l => l.Length), width);
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return lines
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.Select(l => l.PadLeft(w))
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.JoinLines();
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}
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public static String AlignCenterHorizontal(this String s, Int32 width = 0)
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{
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var lines = s.SplitLines();
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var w = Max(lines.Max(l => l.Length), width);
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return lines
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.Select(l => l.PadLeft((w + l.Length) / 2).PadRight(w))
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.JoinLines();
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}
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public static String AlignTop(this String s, Int32 height)
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{
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var lines = s.SplitLines();
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var padding = Enumerable.Repeat("", Max(height - lines.Count, 0));
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return lines
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.Concat(padding)
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.JoinLines();
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}
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public static String AlignBottom(this String s, Int32 height)
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{
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var lines = s.SplitLines();
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var padding = Enumerable.Repeat("", Max(height - lines.Count, 0));
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return padding
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.Concat(lines)
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.JoinLines();
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}
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public static String AlignCenterVertical(this String s, Int32 height)
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{
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var lines = s.SplitLines();
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var nPadding = Max(height - lines.Count, 0);
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var paddingTop = Enumerable.Repeat("", nPadding/2);
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var paddingBottom = Enumerable.Repeat("", nPadding - nPadding / 2);
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return paddingTop
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.Concat(lines)
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.Concat(paddingBottom)
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.JoinLines();
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}
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public static String SideBySideWith(this String left, String right, String separator = " ")
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{
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var leftLines = left.SplitLines();
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var rightLines = right.SplitLines();
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var leftWidth = left.Width();
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var nLines = Max(leftLines.Count, rightLines.Count);
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var leftPadded = leftLines .PadEnd(nLines, "").Select(l => l.PadRight(leftWidth));
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var rightPadded = rightLines.PadEnd(nLines, "");
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return Enumerable
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.Zip(leftPadded, rightPadded, (l, r) => String.Join(separator, l, r))
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.JoinLines();
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}
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public static Int32 Width(this String str)
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{
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return str.SplitLines().Max(l => l.Length);
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}
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public static Int32 Height(this String str)
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{
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return str.SplitLines().Count;
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}
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public static String Join(this ITuple tuple)
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{
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return tuple.JoinWith("");
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}
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public static String JoinWith(this ITuple tuple, String separator)
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{
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return tuple
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.ToEnumerable()
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.Select(t => t.SafeToString())
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.JoinWith(separator);
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}
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public static String JoinWith<T>(this IEnumerable<T> args, String separator)
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{
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return String.Join(separator, args);
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}
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public static IEnumerable<String> GetLinesStartingWith(this IEnumerable<String> lines, String prefix)
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{
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return lines.Where(l => l.StartsWith(prefix));
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}
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public static String GetLineStartingWith(this IEnumerable<String> lines, String prefix)
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{
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return lines
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.GetLinesStartingWith(prefix)
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.Single();
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}
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public static Boolean EndsWith(this String str, Char c)
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{
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if (str.Length <= 0)
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return false;
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return str[^1] == c;
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}
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public static String AfterFirst(this String str, Char separator)
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{
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return str.Substring(str.IndexOf(separator) + 1);
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}
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public static String AfterLast(this String str, Char separator)
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{
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return str.Substring(str.LastIndexOf(separator) + 1);
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}
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public static String UntilLast(this String str, Char separator)
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{
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var i = str.LastIndexOf(separator);
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return i >= 0
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? str[..i]
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: str;
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}
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public static String UntilFirst(this String str, Char separator)
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{
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var i = str.IndexOf(separator);
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return i >= 0
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? str[..i]
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: str;
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}
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public static Boolean Contains(this String? str, String value, CompareOptions compareOptions)
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{
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return Contains(str, value, compareOptions, CultureInfo.InvariantCulture);
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}
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public static Boolean Contains(this String? str, String value, CompareOptions compareOptions, CultureInfo culture)
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{
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return str is not null && culture.CompareInfo.IndexOf(str, value, compareOptions) != -1;
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}
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public static String NewLine(this Object s)
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{
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return s + Environment.NewLine;
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}
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public static String Spaces(this String s, Int32 count = 4)
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{
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return s.PadRight(s.Length + count);
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}
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public static String JoinNonEmptyLines(this IEnumerable<String> lines)
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{
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return String.Join(Environment.NewLine, lines.Unless(String.IsNullOrWhiteSpace));
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}
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public static String JoinLines(this IEnumerable<String> lines)
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{
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return String.Join(Environment.NewLine, lines);
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}
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public static String JoinLines(params String[] lines)
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{
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return String.Join(Environment.NewLine, lines);
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}
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public static String SeparatedBy(this IEnumerable<String> s, String separator)
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{
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return String.Join(separator, s);
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}
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public static Boolean IsInteger(this String s)
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{
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return Int64.TryParse(s, out var n);
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}
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2023-03-20 11:53:03 +00:00
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public static String TrimStart(this String target, String trimString)
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{
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if (String.IsNullOrEmpty(trimString)) return target;
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var result = target;
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while (result.StartsWith(trimString))
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result = result[trimString.Length..];
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return result;
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}
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public static String TrimEnd(this String target, String trimString)
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{
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if (String.IsNullOrEmpty(trimString))
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return target;
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var result = target;
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while (result.EndsWith(trimString))
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result = result[..^trimString.Length];
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return result;
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}
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public static String EnsureStartsWith(this String target, String prefix)
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{
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return $"{prefix}{target.TrimStart(prefix)}";
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}
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2023-02-16 12:57:06 +00:00
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}
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