-//
-// System.Text.UTF7Encoding.cs
-//
-// Author:
-// Sean MacIsaac (macisaac@ximian.com)
-//
-// (C) Ximian, Inc. http://www.ximian.com
-//
-
-
-namespace System.Text {
-
- public class UTF7Encoding : Encoding {
- public override int GetByteCount(char[] chars, int index, int count) {
- // FIXME
- return 0;
- }
-
- public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex) {
- // FIXME
- return 0;
- }
-
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex) {
- // FIXME
- return 0;
- }
-
- public override int GetMaxByteCount(int charCount) {
- // FIXME
- return 0;
- }
-
- public override int GetMaxCharCount(int byteCount) {
- // FIXME
- return 0;
- }
- }
-}
+/*
+ * UTF7Encoding.cs - Implementation of the
+ * "System.Text.UTF7Encoding" class.
+ *
+ * Copyright (c) 2002 Southern Storm Software, Pty Ltd
+ * Copyright (c) 2003, 2004, Novell, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+namespace System.Text
+{
+
+using System;
+
+[Serializable]
+[MonoTODO ("Fix serialization compatibility with MS.NET")]
+#if ECMA_COMPAT
+internal
+#else
+public
+#endif
+class UTF7Encoding : Encoding
+{
+ // Magic number used by Windows for UTF-7.
+ internal const int UTF7_CODE_PAGE = 65000;
+
+ // Internal state.
+ private bool allowOptionals;
+
+ // Encoding rule table for 0x00-0x7F.
+ // 0 - full encode, 1 - direct, 2 - optional, 3 - encode plus.
+ private static readonly byte[] encodingRules = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, // 00
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10
+ 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 3, 1, 1, 1, 1, // 20
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, // 30
+
+ 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 40
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 2, 2, 2, // 50
+ 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 60
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 0, 0, // 70
+ };
+
+ // Characters to use to encode 6-bit values in base64.
+ private const String base64Chars =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+ // Map bytes in base64 to 6-bit values.
+ private static readonly sbyte[] base64Values = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 00
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 10
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, 63, // 20
+ 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, // 30
+
+ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, // 40
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, // 50
+ -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, // 60
+ 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1, // 70
+
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 80
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 90
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // A0
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // B0
+
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // C0
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // D0
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // E0
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // F0
+ };
+
+ // Constructors.
+ public UTF7Encoding ()
+ : this (false)
+ {
+ }
+
+ public UTF7Encoding (bool allowOptionals)
+ : base (UTF7_CODE_PAGE)
+ {
+ this.allowOptionals = allowOptionals;
+
+ body_name = "utf-7";
+ encoding_name = "Unicode (UTF-7)";
+ header_name = "utf-7";
+ is_mail_news_display = true;
+ is_mail_news_save = true;
+ web_name = "utf-7";
+ windows_code_page = UnicodeEncoding.UNICODE_CODE_PAGE;
+ }
+
+ // Internal version of "GetByteCount" that can handle
+ // a rolling state between calls.
+ private static int InternalGetByteCount
+ (char[] chars, int index, int count, bool flush,
+ int leftOver, bool isInShifted, bool allowOptionals)
+ {
+ // Validate the parameters.
+ if (chars == null) {
+ throw new ArgumentNullException ("chars");
+ }
+ if (index < 0 || index > chars.Length) {
+ throw new ArgumentOutOfRangeException ("index", _("ArgRange_Array"));
+ }
+ if (count < 0 || count > (chars.Length - index)) {
+ throw new ArgumentOutOfRangeException ("count", _("ArgRange_Array"));
+ }
+
+ // Determine the length of the output.
+ int length = 0;
+ int leftOverSize = (leftOver >> 8);
+ byte[] rules = encodingRules;
+ int ch, rule;
+ while (count > 0) {
+ ch = (int)(chars[index++]);
+ --count;
+ if (ch < 0x0080) {
+ rule = rules[ch];
+ } else {
+ rule = 0;
+ }
+ switch (rule) {
+ case 0:
+ // Handle characters that must be fully encoded.
+ if ( !isInShifted ) {
+ ++length;
+ leftOverSize = 0;
+ isInShifted = true;
+ }
+ leftOverSize += 16;
+ while (leftOverSize >= 6) {
+ ++length;
+ leftOverSize -= 6;
+ }
+ break;
+ case 1:
+ // The character is encoded as itself.
+ if (isInShifted) {
+ if (leftOverSize != 0) {
+ // Flush the previous encoded sequence.
+ ++length;
+ leftOverSize = 0;
+ }
+ // Count the "-" (sequence terminator)
+ ++length;
+ isInShifted = false;
+ }
+ ++length;
+ break;
+ case 2:
+ // The character may need to be encoded.
+ if (allowOptionals) {
+ goto case 1;
+ } else {
+ goto case 0;
+ }
+ // Not reached.
+ case 3:
+ // Encode the plus sign as "+-".
+ if (isInShifted) {
+ if (leftOverSize != 0) {
+ // Flush the previous encoded sequence.
+ ++length;
+ leftOverSize = 0;
+ }
+ // Count the "-" (sequence terminator)
+ ++length;
+ isInShifted = false;
+ }
+ length += 2;
+ break;
+ }
+ }
+ if (isInShifted && flush) {
+ if (leftOverSize != 0)
+ {
+ // Flush the previous encoded sequence.
+ ++length;
+ }
+ // Count the "-" (sequence terminator)
+ ++length;
+ }
+
+ // Return the length to the caller.
+ return length;
+ }
+
+ // Get the number of bytes needed to encode a character buffer.
+ public override int GetByteCount (char[] chars, int index, int count)
+ {
+ return InternalGetByteCount (chars, index, count, true, 0, false, allowOptionals);
+ }
+
+ // Internal version of "GetBytes" that can handle a
+ // rolling state between calls.
+ private static int InternalGetBytes
+ (char[] chars, int charIndex, int charCount,
+ byte[] bytes, int byteIndex, bool flush,
+ ref int leftOver, ref bool isInShifted, bool allowOptionals)
+ {
+ // Validate the parameters.
+ if (chars == null) {
+ throw new ArgumentNullException ("chars");
+ }
+ if (bytes == null) {
+ throw new ArgumentNullException ("bytes");
+ }
+ if (charIndex < 0 || charIndex > chars.Length) {
+ throw new ArgumentOutOfRangeException ("charIndex", _("ArgRange_Array"));
+ }
+ if (charCount < 0 || charCount > (chars.Length - charIndex)) {
+ throw new ArgumentOutOfRangeException ("charCount", _("ArgRange_Array"));
+ }
+ if (byteIndex < 0 || byteIndex > bytes.Length) {
+ throw new ArgumentOutOfRangeException ("byteIndex", _("ArgRange_Array"));
+ }
+
+ // Convert the characters.
+ int posn = byteIndex;
+ int byteLength = bytes.Length;
+ int leftOverSize = (leftOver >> 8);
+ int leftOverBits = (leftOver & 0xFF);
+ byte[] rules = encodingRules;
+ String base64 = base64Chars;
+ int ch, rule;
+ while (charCount > 0) {
+ ch = (int)(chars[charIndex++]);
+ --charCount;
+ if (ch < 0x0080) {
+ rule = rules[ch];
+ } else {
+ rule = 0;
+ }
+ switch (rule) {
+ case 0:
+ // Handle characters that must be fully encoded.
+ if (!isInShifted) {
+ if (posn >= byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ // Start the sequence
+ bytes[posn++] = (byte)'+';
+ isInShifted = true;
+ leftOverSize = 0;
+ }
+ leftOverBits = ((leftOverBits << 16) | ch);
+ leftOverSize += 16;
+ while (leftOverSize >= 6) {
+ if (posn >= byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ leftOverSize -= 6;
+ bytes[posn++] = (byte)(base64 [leftOverBits >> leftOverSize]);
+ leftOverBits &= ((1 << leftOverSize) - 1);
+ }
+ break;
+ case 1:
+ // The character is encoded as itself.
+ if (isInShifted) {
+ if (leftOverSize != 0) {
+ // Flush the previous encoded sequence.
+ if ((posn + 1) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ bytes[posn++] = (byte)(base64 [leftOverBits << (6 - leftOverSize)]);
+ }
+ if ((posn + 1) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ // Terminate the sequence
+ bytes[posn++] = (byte)'-';
+ isInShifted = false;
+ leftOverSize = 0;
+ leftOverBits = 0;
+ }
+ if (posn >= byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ bytes[posn++] = (byte)ch;
+ break;
+ case 2:
+ // The character may need to be encoded.
+ if (allowOptionals) {
+ goto case 1;
+ } else {
+ goto case 0;
+ }
+ // Not reached.
+ case 3:
+ // Encode the plus sign as "+-".
+ if (isInShifted) {
+ if (leftOverSize != 0) {
+ // Flush the previous encoded sequence.
+ if ((posn + 1) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ bytes[posn++] = (byte)(base64 [leftOverBits << (6 - leftOverSize)]);
+ }
+ if ((posn + 1) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ // Terminate the sequence
+ bytes[posn++] = (byte)'-';
+ isInShifted = false;
+ leftOverSize = 0;
+ leftOverBits = 0;
+ }
+ if ((posn + 2) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ bytes[posn++] = (byte)'+';
+ bytes[posn++] = (byte)'-';
+ break;
+ }
+ }
+ if (isInShifted && flush) {
+ // Flush the previous encoded sequence.
+ if (leftOverSize != 0) {
+ if ((posn + 1) > byteLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "bytes");
+ }
+ bytes[posn++] = (byte)(base64 [leftOverBits << (6 - leftOverSize)]);
+ }
+ // Terminate the sequence
+ bytes[posn++] = (byte)'-';
+ leftOverSize = 0;
+ leftOverBits = 0;
+ isInShifted = false;
+ }
+ leftOver = ((leftOverSize << 8) | leftOverBits);
+
+ // Return the length to the caller.
+ return posn - byteIndex;
+ }
+
+ // Get the bytes that result from encoding a character buffer.
+ public override int GetBytes (char[] chars, int charIndex, int charCount,
+ byte[] bytes, int byteIndex)
+ {
+ int leftOver = 0;
+ bool isInShifted = false;
+ return InternalGetBytes (chars, charIndex, charCount, bytes, byteIndex, true,
+ ref leftOver, ref isInShifted, allowOptionals);
+ }
+
+ // Internal version of "GetCharCount" that can handle
+ // a rolling state between call.s
+ private static int InternalGetCharCount
+ (byte[] bytes, int index, int count, int leftOver)
+ {
+ // Validate the parameters.
+ if (bytes == null) {
+ throw new ArgumentNullException ("bytes");
+ }
+ if (index < 0 || index > bytes.Length) {
+ throw new ArgumentOutOfRangeException ("index", _("ArgRange_Array"));
+ }
+ if (count < 0 || count > (bytes.Length - index)) {
+ throw new ArgumentOutOfRangeException ("count", _("ArgRange_Array"));
+ }
+
+ // Determine the length of the result.
+ int length = 0;
+ int byteval;
+ bool normal = ((leftOver & 0x01000000) == 0);
+ bool prevIsPlus = ((leftOver & 0x02000000) != 0);
+ int leftOverSize = ((leftOver >> 16) & 0xFF);
+ sbyte[] base64 = base64Values;
+ while (count > 0) {
+ byteval = (int)(bytes[index++]);
+ --count;
+ if (normal) {
+ if (byteval != '+') {
+ // Directly-encoded character.
+ ++length;
+ } else {
+ // Start of a base64-encoded character.
+ normal = false;
+ prevIsPlus = true;
+ }
+ } else {
+ // Process the next byte in a base64 sequence.
+ if (byteval == (int)'-') {
+ // End of a base64 sequence.
+ if (prevIsPlus) {
+ ++length;
+ leftOverSize = 0;
+ }
+ normal = true;
+ } else if (base64 [byteval] != -1) {
+ // Extra character in a base64 sequence.
+ leftOverSize += 6;
+ if (leftOverSize >= 16) {
+ ++length;
+ leftOverSize -= 16;
+ }
+ } else {
+ ++length;
+ normal = true;
+ leftOverSize = 0;
+ }
+ prevIsPlus = false;
+ }
+ }
+
+ // Return the final length to the caller.
+ return length;
+ }
+
+ // Get the number of characters needed to decode a byte buffer.
+ public override int GetCharCount (byte[] bytes, int index, int count)
+ {
+ return InternalGetCharCount (bytes, index, count, 0);
+ }
+
+ // Internal version of "GetChars" that can handle a
+ // rolling state between calls.
+ private static int InternalGetChars (byte[] bytes, int byteIndex, int byteCount,
+ char[] chars, int charIndex, ref int leftOver)
+ {
+ // Validate the parameters.
+ if (bytes == null) {
+ throw new ArgumentNullException ("bytes");
+ }
+ if (chars == null) {
+ throw new ArgumentNullException ("chars");
+ }
+ if (byteIndex < 0 || byteIndex > bytes.Length) {
+ throw new ArgumentOutOfRangeException ("byteIndex", _("ArgRange_Array"));
+ }
+ if (byteCount < 0 || byteCount > (bytes.Length - byteIndex)) {
+ throw new ArgumentOutOfRangeException ("byteCount", _("ArgRange_Array"));
+ }
+ if (charIndex < 0 || charIndex > chars.Length) {
+ throw new ArgumentOutOfRangeException ("charIndex", _("ArgRange_Array"));
+ }
+
+ // Convert the bytes into characters.
+ int posn = charIndex;
+ int charLength = chars.Length;
+ int byteval, b64value;
+ bool normal = ((leftOver & 0x01000000) == 0);
+ bool prevIsPlus = ((leftOver & 0x02000000) != 0);
+ bool afterHighSurrogate = ((leftOver & 0x04000000) != 0);
+ int leftOverSize = ((leftOver >> 16) & 0xFF);
+ int leftOverBits = (leftOver & 0xFFFF);
+ sbyte[] base64 = base64Values;
+ while (byteCount > 0) {
+ byteval = (int)(bytes[byteIndex++]);
+ --byteCount;
+ if (normal) {
+ if (byteval != '+') {
+ // Directly-encoded character.
+ if (posn >= charLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "chars");
+ }
+ if (afterHighSurrogate) {
+ throw new ArgumentException (_("Arg_InvalidUTF7"), "chars");
+ }
+ chars[posn++] = (char)byteval;
+ } else {
+ // Start of a base64-encoded character.
+ normal = false;
+ prevIsPlus = true;
+ }
+ } else {
+ // Process the next byte in a base64 sequence.
+ if (byteval == (int)'-') {
+ // End of a base64 sequence.
+ if (prevIsPlus) {
+ if (posn >= charLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "chars");
+ }
+ if (afterHighSurrogate) {
+ throw new ArgumentException (_("Arg_InvalidUTF7"), "chars");
+ }
+ chars[posn++] = '+';
+ }
+ // RFC1642 Rule #2
+ // When decoding, any bits at the end of the Modified Base64 sequence that
+ // do not constitute a complete 16-bit Unicode character are discarded.
+ // If such discarded bits are non-zero the sequence is ill-formed.
+ normal = true;
+ leftOverSize = 0;
+ leftOverBits = 0;
+ }
+ else if ((b64value = base64[byteval]) != -1)
+ {
+ // Extra character in a base64 sequence.
+ leftOverBits = (leftOverBits << 6) | b64value;
+ leftOverSize += 6;
+ if (leftOverSize >= 16) {
+ if (posn >= charLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "chars");
+ }
+ leftOverSize -= 16;
+ char nextChar = (char)(leftOverBits >> leftOverSize);
+ if ((nextChar & 0xFC00) == 0xD800) {
+ afterHighSurrogate = true;
+ }
+ else if ((nextChar & 0xFC00) == 0xDC00) {
+ if (!afterHighSurrogate) {
+ throw new ArgumentException (_("Arg_InvalidUTF7"), "chars");
+ }
+ afterHighSurrogate = false;
+ }
+ chars[posn++] = nextChar;
+ leftOverBits &= ((1 << leftOverSize) - 1);
+ }
+ } else {
+ if (posn >= charLength) {
+ throw new ArgumentException (_("Arg_InsufficientSpace"), "chars");
+ }
+ if (afterHighSurrogate) {
+ throw new ArgumentException (_("Arg_InvalidUTF7"), "chars");
+ }
+ chars[posn++] = (char)byteval;
+ normal = true;
+ leftOverSize = 0;
+ leftOverBits = 0;
+ }
+ prevIsPlus = false;
+ }
+ }
+ leftOver = (leftOverBits | (leftOverSize << 16) |
+ (normal ? 0 : 0x01000000) |
+ (prevIsPlus ? 0x02000000 : 0) |
+ (afterHighSurrogate ? 0x04000000 : 0));
+
+ // Return the final length to the caller.
+ return posn - charIndex;
+ }
+
+ // Get the characters that result from decoding a byte buffer.
+ public override int GetChars (byte[] bytes, int byteIndex, int byteCount,
+ char[] chars, int charIndex)
+ {
+ int leftOver = 0;
+ int amount = InternalGetChars (bytes, byteIndex, byteCount, chars, charIndex, ref leftOver);
+ if ((leftOver & 0x04000000) != 0) {
+ throw new ArgumentException (_("Arg_InvalidUTF7"), "chars");
+ }
+ return amount;
+ }
+
+ // Get the maximum number of bytes needed to encode a
+ // specified number of characters.
+ public override int GetMaxByteCount (int charCount)
+ {
+ if (charCount < 0) {
+ throw new ArgumentOutOfRangeException ("charCount", _("ArgRange_NonNegative"));
+ }
+ if (charCount == 0)
+ return 0;
+ return 8 * (int) (charCount / 3) + (charCount % 3) * 3 + 2;
+ }
+
+ // Get the maximum number of characters needed to decode a
+ // specified number of bytes.
+ public override int GetMaxCharCount (int byteCount)
+ {
+ if (byteCount < 0) {
+ throw new ArgumentOutOfRangeException ("byteCount", _("ArgRange_NonNegative"));
+ }
+ return byteCount;
+ }
+
+ // Get a UTF7-specific decoder that is attached to this instance.
+ public override Decoder GetDecoder ()
+ {
+ return new UTF7Decoder ();
+ }
+
+ // Get a UTF7-specific encoder that is attached to this instance.
+ public override Encoder GetEncoder ()
+ {
+ return new UTF7Encoder (allowOptionals);
+ }
+
+ // UTF-7 decoder implementation.
+ private sealed class UTF7Decoder : Decoder
+ {
+ // Internal state.
+ private int leftOver;
+
+ // Constructor.
+ public UTF7Decoder ()
+ {
+ leftOver = 0;
+ }
+
+ // Override inherited methods.
+ public override int GetCharCount (byte[] bytes, int index, int count)
+ {
+ return InternalGetCharCount (bytes, index, count, leftOver);
+ }
+ public override int GetChars (byte[] bytes, int byteIndex,
+ int byteCount, char[] chars,
+ int charIndex)
+ {
+ return InternalGetChars (bytes, byteIndex, byteCount, chars, charIndex, ref leftOver);
+ }
+
+ } // class UTF7Decoder
+
+ // UTF-7 encoder implementation.
+ private sealed class UTF7Encoder : Encoder
+ {
+ private bool allowOptionals;
+ private int leftOver = 0;
+ private bool isInShifted = false;
+
+ // Constructor.
+ public UTF7Encoder (bool allowOptionals)
+ {
+ this.allowOptionals = allowOptionals;
+ }
+
+ // Override inherited methods.
+ public override int GetByteCount (char[] chars, int index,
+ int count, bool flush)
+ {
+ return InternalGetByteCount
+ (chars, index, count, flush, leftOver, isInShifted, allowOptionals);
+ }
+ public override int GetBytes (char[] chars, int charIndex,
+ int charCount, byte[] bytes,
+ int byteIndex, bool flush)
+ {
+ return InternalGetBytes (chars, charIndex, charCount,
+ bytes, byteIndex, flush,
+ ref leftOver, ref isInShifted, allowOptionals);
+ }
+
+ } // class UTF7Encoder
+
+}; // class UTF7Encoding
+
+}; // namespace System.Text
projects / mono.git / blobdiff