gitextensions /GitCommands/System.cs

Language C# Lines 202
MD5 Hash 5dcf3750a7f156f8aa112e57943a4f69
Repository https://github.com/qgppl/gitextensions.git View Raw File View Project SPDX
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
using System.Collections.Generic;
using System.Linq;
using System.Text;
using JetBrains.Annotations;

namespace System
{
    public static class StringExtensions
    {
        /// <summary>'\n'</summary>
        static readonly char[] NewLineSeparator = new char[] { '\n' };

        public static string SkipStr(this string str, string toSkip)
        {
            if (str == null)
                return null;

            int idx;
            idx = str.IndexOf(toSkip);
            if (idx != -1)
                return str.Substring(idx + toSkip.Length);
            else
                return null;
        }

        public static String TakeUntilStr(this string str, String untilStr)
        {
            if (str == null)
                return null;

            int idx;
            idx = str.IndexOf(untilStr);
            if (idx != -1)
                return str.Substring(0, idx);
            else
                return str;
        }

        public static string CommonPrefix(this string s, string other)
        {
            if (s.IsNullOrEmpty() || other.IsNullOrEmpty())
                return string.Empty;

            int prefixLength = 0;

            foreach (char c in other)
            {
                if (s.Length <= prefixLength || s[prefixLength] != c)
                    return s.Substring(0, prefixLength);

                prefixLength++;
            }

            return s;
        }

        public static bool IsNullOrEmpty(this string s)
        {
            return string.IsNullOrEmpty(s);
        }


        public static string Combine(this string left, string sep, string right)
        {
            if (left.IsNullOrEmpty())
                return right;
            else if (right.IsNullOrEmpty())
                return left;
            else
                return left + sep + right;
        }

        public static string Quote(this string s)
        {
            return s.Quote("\"");
        }

        public static string Quote(this string s, string quotationMark)
        {
            if (s == null)
                return string.Empty;

            return quotationMark + s + quotationMark;
        }

        /// <summary>
        /// Quotes string if it is not null and not empty
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        public static string QuoteNE(this string s)
        {
            return s.IsNullOrEmpty() ? s : s.Quote("\"");
        }

        /// <summary>
        /// Indicates whether a specified string is null, empty, or consists only of white-space characters.
        /// </summary>
        /// <param name="value">The string to test.</param>
        /// <remarks>
        /// This method is copied from .Net Framework 4.0 and should be deleted after leaving 3.5.
        /// </remarks>
        /// <returns>
        /// true if the value parameter is null or <see cref="string.Empty"/>, or if value consists exclusively of white-space characters.
        /// </returns>
        [Pure]
        public static bool IsNullOrWhiteSpace([CanBeNull] this string value)
        {
            return string.IsNullOrWhiteSpace(value);
        }

        /// <summary>Indicates whether the specified string is neither null, nor empty, nor has only whitespace.</summary>
        public static bool IsNotNullOrWhitespace([CanBeNull] this string value)
        {
            return !value.IsNullOrWhiteSpace();
        }

        /// <summary>
        /// Determines whether the beginning of this instance matches any of the specified strings.
        /// </summary>
        /// <param name="value"></param>
        /// <param name="starts">array of strings to compare</param>
        /// <returns>true if any starts element matches the beginning of this string; otherwise, false.</returns>
        public static bool StartsWithAny([CanBeNull] this string value, string[] starts)
        {
            return value != null && starts.Any(s => value.StartsWith(s));
        }

        public static string RemoveLines(this string value, Func<string, bool> shouldRemoveLine)
        {
            if (value.IsNullOrEmpty())
                return value;

            if (value[value.Length - 1] == '\n')
                value = value.Substring(0, value.Length - 1);

            StringBuilder sb = new StringBuilder();
            string[] lines = value.Split('\n');

            foreach (string line in lines)
                if (!shouldRemoveLine(line))
                    sb.Append(line + '\n');

            return sb.ToString();
        }

        /// <summary>Split a string, removing empty entries, then trim whitespace.</summary>
        public static IEnumerable<string> SplitThenTrim(this string value, params string[] separator)
        {
            return value
                .Split(separator, StringSplitOptions.RemoveEmptyEntries)
                .Select(s => s.Trim());
        }

        /// <summary>Split a string, removing empty entries, then trim whitespace.</summary>
        public static IEnumerable<string> SplitThenTrim(this string value, params char[] separator)
        {
            return value
                .Split(separator, StringSplitOptions.RemoveEmptyEntries)
                .Select(s => s.Trim());
        }

        /// <summary>Split a string, delimited by line-breaks, excluding empty entries.</summary>
        public static string[] SplitLines(this string value)
        {
            return value.Split(NewLineSeparator);
        }

        /// <summary>Split a string, delimited by line-breaks, excluding empty entries; then trim whitespace.</summary>
        public static IEnumerable<string> SplitLinesThenTrim(this string value)
        {
            return value.SplitThenTrim(NewLineSeparator);
        }

        /// <summary>Gets the text after the last separator.
        /// If NO separator OR ends with separator, returns the original value.</summary>
        public static string SubstringAfterLastSafe(this string value, string separator)
        {// ex: "origin/master" -> "master"
            if (value.EndsWith(separator) || !value.Contains(separator))
            {// "origin/master/" OR "master" -> return original
                return value;
            }
            return value.Substring(1 + value.LastIndexOf(separator, StringComparison.InvariantCultureIgnoreCase));
        }
        public static string SubstringAfterFirst(this string value, string separator)
        {
            return value.Substring(1 + value.IndexOf(separator, StringComparison.InvariantCultureIgnoreCase));
        }

    }

    public static class BoolExtensions
    {

        public static string AsForce(this bool force)
        {
            return force ? " -f " : string.Empty;
        }

    }
}
Back to Top