Imported gcc-4.4.3

[msp430-gcc.git] / libjava / gnu / gcj / convert / Output_UTF8.java

diff --git a/libjava/gnu/gcj/convert/Output_UTF8.java b/libjava/gnu/gcj/convert/Output_UTF8.java
deleted file mode 100644 (file)
index 01f5ce8..0000000
--- a/libjava/gnu/gcj/convert/Output_UTF8.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/* Copyright (C) 1999, 2000  Free Software Foundation
-
-   This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-details.  */
-
-package gnu.gcj.convert;
-
-/**
- * Convert Unicode to UTF8.
- * @author Per Bothner <bothner@cygnus.com>
- * @date Match 1999.
- */
-
-public class Output_UTF8 extends UnicodeToBytes
-{
-  public String getName() { return "UTF8"; }
-
-  /** True if a surrogate pair should be emitted as a single UTF8 sequence.
-   * Otherwise, a surrogate pair is treated as two separate characters.
-   * Also, '\0' is emitted as {0} if true, and as {0xC0,0x80} if false. */
-  public boolean standardUTF8 = true;
-
-  // Saves the previous char if it was a high-surrogate.
-  char hi_part;
-  // Value of incomplete character.
-  int value;
-  // Number of continuation bytes still to emit.
-  int bytes_todo;
-
-  public int write (char[] inbuffer, int inpos, int inlength)
-  {
-    int start_pos = inpos;
-    int avail = buf.length - count;
-    for (;;)
-      {
-       if (avail == 0 || (inlength == 0 && bytes_todo == 0))
-         break;
-       // The algorithm is made more complicated because we want to write
-       // at least one byte in the output buffer, if there is room for
-       // that byte, and at least one input character is available.
-       // This makes the code more robust, since client code will
-       // always "make progress", even in the complicated cases,
-       // where the output buffer only has room for only *part* of a
-       // multi-byte sequence, or the input char buffer only has half
-       // of a surrogate pair (when standardUTF8 is set), or both.
-
-       // Handle continuation characters we did not have room for before.
-       if (bytes_todo > 0)
-         {
-           do
-             {
-               bytes_todo--;
-               buf[count++] = (byte)
-                 (((value >> (bytes_todo * 6)) & 0x3F) | 0x80);
-               avail--;
-             }
-           while (bytes_todo > 0 && avail > 0);
-           continue;
-         }
-
-       char ch = inbuffer[inpos++];
-       inlength--;
-
-       if ((hi_part != 0 && (ch <= 0xDBFF || ch > 0xDFFF))
-           || (hi_part == 0 && ch >= 0xDC00 && ch <= 0xDFFF))
-         {
-           // If the previous character was a high surrogate, and we
-           // don't now have a low surrogate, we print the high
-           // surrogate as an isolated character.  If this character
-           // is a low surrogate and we didn't previously see a high
-           // surrogate, we do the same thing.
-           --inpos;
-           ++inlength;
-           buf[count++] = (byte) (0xE0 | (hi_part >> 12));
-           value = hi_part;
-           hi_part = 0;
-           avail--;
-           bytes_todo = 2;
-         }
-       else if (ch < 128 && (ch != 0 || standardUTF8))
-         {
-           avail--;
-           buf[count++] = (byte) ch;
-         }
-       else if (ch <= 0x07FF)
-         {
-           buf[count++] = (byte) (0xC0 | (ch >> 6));
-           avail--;
-           value = ch;
-           bytes_todo = 1;
-         }
-       else if (ch >= 0xD800 && ch <= 0xDFFF && standardUTF8)
-         {
-           if (ch <= 0xDBFF)  // High surrogates
-             {
-               // Just save the high surrogate until the next
-               // character comes along.
-               hi_part = ch;
-             }
-           else // Low surrogates
-             {
-               value = (hi_part - 0xD800) * 0x400 + (ch - 0xDC00) + 0x10000;
-               buf[count++] = (byte) (0xF0 | (value >> 18));
-               bytes_todo = 3;
-               hi_part = 0;
-             }
-         }
-       else
-         {
-           buf[count++] = (byte) (0xE0 | (ch >> 12));
-           value = ch;
-           avail--;
-           bytes_todo = 2;
-         }
-      }
-    return inpos - start_pos;
-  }
-}