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| author | Tom Tromey <tromey@gcc.gnu.org> | 1999-04-07 14:42:40 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 1999-04-07 14:42:40 +0000 |
| commit | ee9dd3721be68b9fa63dea9aa5a1d86e66958cde (patch) | |
| tree | d96801a16fdf03a5682ef98730fe333a46eef944 /libjava/gnu/gcj/convert/Output_JavaSrc.java | |
| parent | 140fa895c6b859f827fc4437b91775a82cd105fb (diff) | |
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Initial revision
From-SVN: r26263
Diffstat (limited to 'libjava/gnu/gcj/convert/Output_JavaSrc.java')
| -rw-r--r-- | libjava/gnu/gcj/convert/Output_JavaSrc.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/convert/Output_JavaSrc.java b/libjava/gnu/gcj/convert/Output_JavaSrc.java new file mode 100644 index 0000000..aa23361 --- /dev/null +++ b/libjava/gnu/gcj/convert/Output_JavaSrc.java @@ -0,0 +1,82 @@ +/* Copyright (C) 1999 Cygnus Solutions + + 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 Ascii with \ u XXXX-escapes. */ + +public class Output_JavaSrc extends UnicodeToBytes +{ + public String getName() { return "JavaSrc"; } + + // Number of bytes remaining before pending_char has been written. + int todo; + int pending_char; + + public int write (char[] inbuffer, int inpos, int inlength) + { + int start_pos = inpos; + int avail = buf.length - count; + for (;;) + { + if (avail == 0) + break; + switch (todo) + { + case 1: + if (pending_char == '\\') + { + buf[count++] = (byte) '\\'; + avail--; + todo = 0; + continue; + } + /* ... else fall through ... */ + case 2: + case 3: + case 4: + todo--; + int digit = ((int) pending_char >> (todo * 4)) & 0xF; + buf[count++] = (byte) Character.forDigit(digit, 16); + avail--; + continue; + case 5: + buf[count++] = (byte) 'u'; + avail--; + todo = 4; + continue; + default: + ; + } + if (inlength == 0) + break; + char ch = inbuffer[inpos++]; + inlength--; + if (ch == '\\') + { + buf[count++] = (byte) '\\'; + pending_char = ch; + todo = 1; + avail--; + } + else if (ch < 127) + { + buf[count++] = (byte) ch; + avail--; + } + else + { + buf[count++] = (byte) '\\'; + pending_char = ch; + todo = 5; + avail--; + } + } + return inpos - start_pos; + } +} |