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GeezerVison is showing github.com — bytecode-api/BytecodeApi/Create.cs at master · bytecode77/bytecode-api Expand file tree/ Copy pathCreate.csMore file actions 195 lines (184 loc) · 8.74 KB / Copy pathCreate.csFile metadata and controls195 lines (184 loc) · 8.74 KB 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 using BytecodeApi.Extensions; using BytecodeApi.Text; using System.Security.Cryptography; namespace BytecodeApi; /// <summary> /// Provides support for creation and generation of generic objects. /// </summary> public static class Create { /// <summary> /// Creates an <see cref="System.Array" /> of the specified type and initialized each element with the specified value. /// </summary> /// <typeparam name="T">The type of the created <see cref="System.Array" />.</typeparam> /// <param name="length">The number of elements of the <see cref="System.Array" />.</param> /// <param name="value">The value that is assigned to each element of the <see cref="System.Array" />.</param> /// <returns> /// A new <see cref="System.Array" /> with the specified length, where each element is initialized with <paramref name="value" />. /// </returns> public static T[] Array<T>(int length, T value) { Check.ArgumentOutOfRangeEx.GreaterEqual0(length); T[] array = new T[length]; if (!Equals(value, default(T))) { for (int i = 0; i < length; i++) { array[i] = value; } } return array; } /// <summary> /// Creates an <see cref="System.Array" /> of the specified type and initialized each element with a value that is retrieved from <paramref name="valueSelector" />. /// </summary> /// <typeparam name="T">The type of the created <see cref="System.Array" />.</typeparam> /// <param name="length">The number of elements of the <see cref="System.Array" />.</param> /// <param name="valueSelector">A <see cref="Func{T, TResult}" /> to retrieve new values for the <see cref="System.Array" /> based on the given index.</param> /// <returns> /// A new <see cref="System.Array" /> with the specified length, where each element is initialized with a value that is retrieved from <paramref name="valueSelector" />. /// </returns> public static T[] Array<T>(int length, Func<int, T> valueSelector) { Check.ArgumentOutOfRangeEx.GreaterEqual0(length); Check.ArgumentNull(valueSelector); T[] array = new T[length]; for (int i = 0; i < length; i++) { array[i] = valueSelector(i); } return array; } /// <summary> /// Creates an <see cref="IEnumerable{T}" /> of the specified type and returns values that are retrieved from <paramref name="valueSelector" />. /// </summary> /// <typeparam name="T">The type of the created <see cref="IEnumerable{T}" />.</typeparam> /// <param name="count">The number of elements to return.</param> /// <param name="valueSelector">A <see cref="Func{T, TResult}" /> to retrieve new values for the <see cref="IEnumerable{T}" /> based on the given index.</param> /// <returns> /// A new <see cref="IEnumerable{T}" /> with the specified number of elements, where each element is initialized with a value that is retrieved from <paramref name="valueSelector" />. /// </returns> public static IEnumerable<T> Enumerable<T>(int count, Func<int, T> valueSelector) { Check.ArgumentOutOfRangeEx.GreaterEqual0(count); Check.ArgumentNull(valueSelector); for (int i = 0; i < count; i++) { yield return valueSelector(i); } } /// <summary> /// Generates a new <see cref="System.Guid" /> using the <see cref="GuidFormat.Default" /> format. /// </summary> /// <returns> /// A new <see cref="System.Guid" />. /// </returns> public static string Guid() { return Guid(GuidFormat.Default); } /// <summary> /// Generates a new <see cref="System.Guid" /> using the specified format. /// </summary> /// <param name="format">The <see cref="GuidFormat" /> to be used for <see cref="string" /> formatting.</param> /// <returns> /// A new <see cref="System.Guid" />. /// </returns> public static string Guid(GuidFormat format) { return System.Guid.NewGuid().ToString(format); } /// <summary> /// Generates a new <see cref="string" /> with random hexadecimal charaters. The value of <paramref name="size" /> specifies the amount of bytes to be generated. A <see cref="string" /> with a length of <paramref name="size" /> * 2 is returned. /// </summary> /// <param name="size">A <see cref="int" /> value specifying the amount of bytes to be generated.</param> /// <returns> /// A new <see cref="string" /> with random hexadecimal charaters, where the value of <paramref name="size" /> specifies the amount of bytes to be generated. The returned <see cref="string" /> has a length of <paramref name="size" /> * 2. /// </returns> public static string HexString(int size) { return HexString(size, false); } /// <summary> /// Generates a new <see cref="string" /> with random hexadecimal charaters. The value of <paramref name="size" /> specifies the amount of bytes to be generated. A <see cref="string" /> with a length of <paramref name="size" /> * 2 is returned. /// </summary> /// <param name="size">A <see cref="int" /> value specifying the amount of bytes to be generated.</param> /// <param name="cryptographic"><see langword="true" /> to use a cryptographic random number generator; <see langword="false" /> to use the default random number generator.</param> /// <returns> /// A new <see cref="string" /> with random hexadecimal charaters, where the value of <paramref name="size" /> specifies the amount of bytes to be generated. The returned <see cref="string" /> has a length of <paramref name="size" /> * 2. /// </returns> public static string HexString(int size, bool cryptographic) { Check.ArgumentOutOfRangeEx.GreaterEqual0(size); if (cryptographic) { return RandomNumberGenerator.GetBytes(size).ToHexString(); } else { return Random.Shared.GetBytes(size).ToHexString(); } } /// <summary> /// Generates a new <see cref="string" /> with random characters, where each character is either a digit, a lowercase letter or an uppercase letter. /// </summary> /// <param name="length">The length of the generated <see cref="string" />.</param> /// <returns> /// A new <see cref="string" /> with random characters. /// </returns> public static string AlphaNumericString(int length) { return AlphaNumericString(length, true, true, true); } /// <summary> /// Generates a new <see cref="string" /> with random characters, where each character can be either a digit, a lowercase letter, an uppercase letter, or a combination of those. At least one of these parameters needs to be <see langword="true" />. /// </summary> /// <param name="length">The length of the generated <see cref="string" />.</param> /// <param name="digits"><see langword="true" /> to include digits.</param> /// <param name="lowerCase"><see langword="true" /> to include lowercase letters.</param> /// <param name="upperCase"><see langword="true" /> to include uppercase letters.</param> /// <returns> /// A new <see cref="string" /> with random characters. /// </returns> public static string AlphaNumericString(int length, bool digits, bool lowerCase, bool upperCase) { return AlphaNumericString(length, digits, lowerCase, upperCase, false); } /// <summary> /// Generates a new <see cref="string" /> with random characters, where each character can be either a digit, a lowercase letter, an uppercase letter, or a combination of those. At least one of these parameters needs to be <see langword="true" />. /// </summary> /// <param name="length">The length of the generated <see cref="string" />.</param> /// <param name="digits"><see langword="true" /> to include digits.</param> /// <param name="lowerCase"><see langword="true" /> to include lowercase letters.</param> /// <param name="upperCase"><see langword="true" /> to include uppercase letters.</param> /// <param name="cryptographic"><see langword="true" /> to use a cryptographic random number generator; <see langword="false" /> to use the default random number generator.</param> /// <returns> /// A new <see cref="string" /> with random characters. /// </returns> public static string AlphaNumericString(int length, bool digits, bool lowerCase, bool upperCase, bool cryptographic) { Check.ArgumentOutOfRangeEx.GreaterEqual0(length); Check.Argument(digits || lowerCase || upperCase, null, $"Either of '{nameof(digits)}', '{nameof(lowerCase)}', or '{nameof(upperCase)}' must be true."); string chars = ""; if (digits) chars += TextResources.Digits; if (lowerCase) chars += TextResources.Alphabet; if (upperCase) chars += TextResources.Alphabet.ToUpper(); char[] charset = chars.ToCharArray(); char[] newString = new char[length]; if (cryptographic) { for (int i = 0; i < length; i++) { newString[i] = RandomNumberGenerator.Shared.GetObject(charset); } } else { for (int i = 0; i < length; i++) { newString[i] = Random.Shared.GetObject(charset); } } return newString.AsString(); } } |
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