ByteWriter.cs 5.0 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Text;
  5. namespace Utilities
  6. {
  7. public class ByteWriter
  8. {
  9. public static void WriteByte(byte[] buffer, int offset, byte value)
  10. {
  11. buffer[offset] = value;
  12. }
  13. public static void WriteByte(byte[] buffer, ref int offset, byte value)
  14. {
  15. buffer[offset] = value;
  16. offset += 1;
  17. }
  18. public static void WriteBytes(byte[] buffer, int offset, byte[] bytes)
  19. {
  20. WriteBytes(buffer, offset, bytes, bytes.Length);
  21. }
  22. public static void WriteBytes(byte[] buffer, ref int offset, byte[] bytes)
  23. {
  24. WriteBytes(buffer, offset, bytes);
  25. offset += bytes.Length;
  26. }
  27. public static void WriteBytes(byte[] buffer, int offset, byte[] bytes, int length)
  28. {
  29. Array.Copy(bytes, 0, buffer, offset, length);
  30. }
  31. public static void WriteBytes(byte[] buffer, ref int offset, byte[] bytes, int length)
  32. {
  33. Array.Copy(bytes, 0, buffer, offset, length);
  34. offset += length;
  35. }
  36. public static void WriteAnsiString(byte[] buffer, int offset, string value)
  37. {
  38. WriteAnsiString(buffer, offset, value, value.Length);
  39. }
  40. public static void WriteAnsiString(byte[] buffer, ref int offset, string value)
  41. {
  42. WriteAnsiString(buffer, ref offset, value, value.Length);
  43. }
  44. public static void WriteAnsiString(byte[] buffer, int offset, string value, int maximumLength)
  45. {
  46. byte[] bytes = ASCIIEncoding.GetEncoding(28591).GetBytes(value);
  47. Array.Copy(bytes, 0, buffer, offset, Math.Min(value.Length, maximumLength));
  48. }
  49. public static void WriteAnsiString(byte[] buffer, ref int offset, string value, int fieldLength)
  50. {
  51. WriteAnsiString(buffer, offset, value, fieldLength);
  52. offset += fieldLength;
  53. }
  54. public static void WriteUTF16String(byte[] buffer, int offset, string value)
  55. {
  56. WriteUTF16String(buffer, offset, value, value.Length);
  57. }
  58. public static void WriteUTF16String(byte[] buffer, ref int offset, string value)
  59. {
  60. WriteUTF16String(buffer, ref offset, value, value.Length);
  61. }
  62. public static void WriteUTF16String(byte[] buffer, int offset, string value, int maximumNumberOfCharacters)
  63. {
  64. byte[] bytes = UnicodeEncoding.Unicode.GetBytes(value);
  65. int maximumNumberOfBytes = Math.Min(value.Length, maximumNumberOfCharacters) * 2;
  66. Array.Copy(bytes, 0, buffer, offset, maximumNumberOfBytes);
  67. }
  68. public static void WriteUTF16String(byte[] buffer, ref int offset, string value, int numberOfCharacters)
  69. {
  70. WriteUTF16String(buffer, offset, value, numberOfCharacters);
  71. offset += numberOfCharacters * 2;
  72. }
  73. public static void WriteNullTerminatedAnsiString(byte[] buffer, int offset, string value)
  74. {
  75. WriteAnsiString(buffer, offset, value);
  76. WriteByte(buffer, offset + value.Length, 0x00);
  77. }
  78. public static void WriteNullTerminatedAnsiString(byte[] buffer, ref int offset, string value)
  79. {
  80. WriteNullTerminatedAnsiString(buffer, offset, value);
  81. offset += value.Length + 1;
  82. }
  83. public static void WriteNullTerminatedUTF16String(byte[] buffer, int offset, string value)
  84. {
  85. WriteUTF16String(buffer, offset, value);
  86. WriteBytes(buffer, offset + value.Length * 2, new byte[] { 0x00, 0x00 });
  87. }
  88. public static void WriteNullTerminatedUTF16String(byte[] buffer, ref int offset, string value)
  89. {
  90. WriteNullTerminatedUTF16String(buffer, offset, value);
  91. offset += value.Length * 2 + 2;
  92. }
  93. public static void WriteBytes(Stream stream, byte[] bytes)
  94. {
  95. stream.Write(bytes, 0, bytes.Length);
  96. }
  97. public static void WriteBytes(Stream stream, byte[] bytes, int count)
  98. {
  99. stream.Write(bytes, 0, count);
  100. }
  101. public static void WriteAnsiString(Stream stream, string value)
  102. {
  103. WriteAnsiString(stream, value, value.Length);
  104. }
  105. public static void WriteAnsiString(Stream stream, string value, int fieldLength)
  106. {
  107. byte[] bytes = ASCIIEncoding.GetEncoding(28591).GetBytes(value);
  108. stream.Write(bytes, 0, Math.Min(bytes.Length, fieldLength));
  109. if (bytes.Length < fieldLength)
  110. {
  111. byte[] zeroFill = new byte[fieldLength - bytes.Length];
  112. stream.Write(zeroFill, 0, zeroFill.Length);
  113. }
  114. }
  115. public static void WriteUTF16String(Stream stream, string value)
  116. {
  117. byte[] bytes = UnicodeEncoding.Unicode.GetBytes(value);
  118. stream.Write(bytes, 0, bytes.Length);
  119. }
  120. }
  121. }