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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/gnu/gcj/convert/Output_JavaSrc.java | |
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Diffstat (limited to 'libjava/gnu/gcj/convert/Output_JavaSrc.java')
-rw-r--r-- | libjava/gnu/gcj/convert/Output_JavaSrc.java | 86 |
1 files changed, 86 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 000000000..dc99218cf --- /dev/null +++ b/libjava/gnu/gcj/convert/Output_JavaSrc.java @@ -0,0 +1,86 @@ +/* Copyright (C) 1999 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 Ascii with \ u XXXX-escapes. + * @author Per Bothner <bothner@cygnus.com> + * @date April 1999. + */ + +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; + } +} |