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author | Micro Dotta <mirco.dotta@gmail.com> | 2011-08-17 13:32:25 +0000 |
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committer | Micro Dotta <mirco.dotta@gmail.com> | 2011-08-17 13:32:25 +0000 |
commit | 6ba1b9f3c974351e826485ca9c41df732c6de15a (patch) | |
tree | 25c08330ac9c176353cc98f6a3f6cbd0c541d07d /test/files/presentation/akka/src/com/eaio/util/lang/Hex.java | |
parent | 044099d4f1677425719ea8cad8c946dab8b5c2d9 (diff) | |
download | scala-6ba1b9f3c974351e826485ca9c41df732c6de15a.tar.gz scala-6ba1b9f3c974351e826485ca9c41df732c6de15a.tar.bz2 scala-6ba1b9f3c974351e826485ca9c41df732c6de15a.zip |
Major rewrite of the testing infrastructure for...
Major rewrite of the testing infrastructure for the presentation
compiler. Added several new tests that will be part of the nightly
build. Once the move to SBT is completed I will look into how to extract
the test infrastructure (as it should really not be living in the
compiler codebase). Review by dragos
Diffstat (limited to 'test/files/presentation/akka/src/com/eaio/util/lang/Hex.java')
-rw-r--r-- | test/files/presentation/akka/src/com/eaio/util/lang/Hex.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/test/files/presentation/akka/src/com/eaio/util/lang/Hex.java b/test/files/presentation/akka/src/com/eaio/util/lang/Hex.java new file mode 100644 index 0000000000..7794059517 --- /dev/null +++ b/test/files/presentation/akka/src/com/eaio/util/lang/Hex.java @@ -0,0 +1,215 @@ +/* + * Hex.java + * + * Created 04.07.2003. + * + * eaio: UUID - an implementation of the UUID specification Copyright (c) 2003-2009 Johann Burkard (jb@eaio.com) + * http://eaio.com. + * + * 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. + * + */ +package com.eaio.util.lang; + +import java.io.IOException; + +/** + * Number-to-hexadecimal and hexadecimal-to-number conversions. + * + * @see <a href="http://johannburkard.de/software/uuid/">UUID</a> + * @author <a href="mailto:jb@eaio.com">Johann Burkard</a> + * @version $Id: Hex.java 1888 2009-03-15 12:43:24Z johann $ + */ +public final class Hex { + + /** + * No instances needed. + */ + private Hex() { + super(); + } + + private static final char[] DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', + 'f' }; + + /** + * Turns a <code>short</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the integer + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, short in) { + return append(a, (long) in, 4); + } + + /** + * Turns a <code>short</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the integer + * @param length the number of octets to produce + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, short in, int length) { + return append(a, (long) in, length); + } + + /** + * Turns an <code>int</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the integer + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, int in) { + return append(a, (long) in, 8); + } + + /** + * Turns an <code>int</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the integer + * @param length the number of octets to produce + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, int in, int length) { + return append(a, (long) in, length); + } + + /** + * Turns a <code>long</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the long + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, long in) { + return append(a, in, 16); + } + + /** + * Turns a <code>long</code> into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param in the long + * @param length the number of octets to produce + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, long in, int length) { + try { + int lim = (length << 2) - 4; + while (lim >= 0) { + a.append(DIGITS[(byte) (in >> lim) & 0x0f]); + lim -= 4; + } + } + catch (IOException ex) { + // Bla + } + return a; + } + + /** + * Turns a <code>byte</code> array into hex octets. + * + * @param a the {@link Appendable}, may not be <code>null</code> + * @param bytes the <code>byte</code> array + * @return {@link Appendable} + */ + public static Appendable append(Appendable a, byte[] bytes) { + try { + for (byte b : bytes) { + a.append(DIGITS[(byte) ((b & 0xF0) >> 4)]); + a.append(DIGITS[(byte) (b & 0x0F)]); + } + } + catch (IOException ex) { + // Bla + } + return a; + } + + /** + * Parses a <code>long</code> from a hex encoded number. This method will skip all characters that are not 0-9, + * A-F and a-f. + * <p> + * Returns 0 if the {@link CharSequence} does not contain any interesting characters. + * + * @param s the {@link CharSequence} to extract a <code>long</code> from, may not be <code>null</code> + * @return a <code>long</code> + * @throws NullPointerException if the {@link CharSequence} is <code>null</code> + */ + public static long parseLong(CharSequence s) { + long out = 0; + byte shifts = 0; + char c; + for (int i = 0; i < s.length() && shifts < 16; i++) { + c = s.charAt(i); + if ((c > 47) && (c < 58)) { + ++shifts; + out <<= 4; + out |= c - 48; + } + else if ((c > 64) && (c < 71)) { + ++shifts; + out <<= 4; + out |= c - 55; + } + else if ((c > 96) && (c < 103)) { + ++shifts; + out <<= 4; + out |= c - 87; + } + } + return out; + } + + /** + * Parses a <code>short</code> from a hex encoded number. This method will skip all characters that are not 0-9, + * A-F and a-f. + * <p> + * Returns 0 if the {@link CharSequence} does not contain any interesting characters. + * + * @param s the {@link CharSequence} to extract a <code>short</code> from, may not be <code>null</code> + * @return a <code>short</code> + * @throws NullPointerException if the {@link CharSequence} is <code>null</code> + */ + public static short parseShort(String s) { + short out = 0; + byte shifts = 0; + char c; + for (int i = 0; i < s.length() && shifts < 4; i++) { + c = s.charAt(i); + if ((c > 47) && (c < 58)) { + ++shifts; + out <<= 4; + out |= c - 48; + } + else if ((c > 64) && (c < 71)) { + ++shifts; + out <<= 4; + out |= c - 55; + } + else if ((c > 96) && (c < 103)) { + ++shifts; + out <<= 4; + out |= c - 87; + } + } + return out; + } + +} |