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author | Tom Tromey <tromey@redhat.com> | 2005-07-16 01:27:14 +0000 |
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committer | Tom Tromey <tromey@gcc.gnu.org> | 2005-07-16 01:27:14 +0000 |
commit | b0fa81eea9a270f23d6ad67ca7a6d25c18d20da1 (patch) | |
tree | 8762d1f992e2f725a6bde1ff966ed6f1e5f4f823 /libjava/java/nio/charset/CharsetDecoder.java | |
parent | ea54b29342c8506acb4f858c68340c44b72e3532 (diff) | |
download | gcc-b0fa81eea9a270f23d6ad67ca7a6d25c18d20da1.zip gcc-b0fa81eea9a270f23d6ad67ca7a6d25c18d20da1.tar.gz gcc-b0fa81eea9a270f23d6ad67ca7a6d25c18d20da1.tar.bz2 |
Major merge with Classpath.
Removed many duplicate files.
* HACKING: Updated.x
* classpath: Imported new directory.
* standard.omit: New file.
* Makefile.in, aclocal.m4, configure: Rebuilt.
* sources.am: New file.
* configure.ac: Run Classpath configure script. Moved code around
to support. Disable xlib AWT peers (temporarily).
* Makefile.am (SUBDIRS): Added 'classpath'
(JAVAC): Removed.
(AM_CPPFLAGS): Added more -I options.
(BOOTCLASSPATH): Simplified.
Completely redid how sources are built.
Include sources.am.
* include/Makefile.am (tool_include__HEADERS): Removed jni.h.
* include/jni.h: Removed (in Classpath).
* scripts/classes.pl: Updated to look at built classes.
* scripts/makemake.tcl: New file.
* testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Added
-I options.
(gcj_jni_invocation_compile_c_to_binary): Likewise.
From-SVN: r102082
Diffstat (limited to 'libjava/java/nio/charset/CharsetDecoder.java')
-rw-r--r-- | libjava/java/nio/charset/CharsetDecoder.java | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/libjava/java/nio/charset/CharsetDecoder.java b/libjava/java/nio/charset/CharsetDecoder.java deleted file mode 100644 index 0203c88..0000000 --- a/libjava/java/nio/charset/CharsetDecoder.java +++ /dev/null @@ -1,313 +0,0 @@ -/* CharsetDecoder.java -- - Copyright (C) 2002 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.nio.charset; - -import java.nio.ByteBuffer; -import java.nio.CharBuffer; - -/** - * @author Jesse Rosenstock - * @since 1.4 - */ -public abstract class CharsetDecoder -{ - private static final int STATE_RESET = 0; - private static final int STATE_CODING = 1; - private static final int STATE_END = 2; - private static final int STATE_FLUSHED = 3; - - private static final String DEFAULT_REPLACEMENT = "\uFFFD"; - - private final Charset charset; - private final float averageCharsPerByte; - private final float maxCharsPerByte; - private String replacement; - - private int state = STATE_RESET; - - private CodingErrorAction malformedInputAction - = CodingErrorAction.REPORT; - private CodingErrorAction unmappableCharacterAction - = CodingErrorAction.REPORT; - - private CharsetDecoder (Charset cs, float averageCharsPerByte, - float maxCharsPerByte, String replacement) - { - if (averageCharsPerByte <= 0.0f) - throw new IllegalArgumentException ("Non-positive averageCharsPerByte"); - if (maxCharsPerByte <= 0.0f) - throw new IllegalArgumentException ("Non-positive maxCharsPerByte"); - - this.charset = cs; - this.averageCharsPerByte - = averageCharsPerByte; - this.maxCharsPerByte - = maxCharsPerByte; - this.replacement = replacement; - implReplaceWith (replacement); - } - - protected CharsetDecoder (Charset cs, float averageCharsPerByte, - float maxCharsPerByte) - { - this (cs, averageCharsPerByte, maxCharsPerByte, DEFAULT_REPLACEMENT); - } - - public final float averageCharsPerByte () - { - return averageCharsPerByte; - } - - public final Charset charset () - { - return charset; - } - - public final CharBuffer decode (ByteBuffer in) - throws CharacterCodingException - { - // XXX: Sun's Javadoc seems to contradict itself saying an - // IllegalStateException is thrown "if a decoding operation is already - // in progress" and also that "it resets this Decoder". - // Should we check to see that the state is reset, or should we - // call reset()? - if (state != STATE_RESET) - throw new IllegalStateException (); - - // REVIEW: Using max instead of average may allocate a very large - // buffer. Maybe we should do something more efficient? - int remaining = in.remaining (); - int n = (int) (remaining * maxCharsPerByte ()); - CharBuffer out = CharBuffer.allocate (n); - - if (remaining == 0) - { - state = STATE_FLUSHED; - return out; - } - - CoderResult cr = decode (in, out, true); - if (cr.isError ()) - cr.throwException (); - - cr = flush (out); - if (cr.isError ()) - cr.throwException (); - - reset(); - out.flip (); - return out; - } - - public final CoderResult decode (ByteBuffer in, CharBuffer out, - boolean endOfInput) - { - int newState = endOfInput ? STATE_END : STATE_CODING; - // XXX: Need to check for "previous step was an invocation [not] of - // this method with a value of true for the endOfInput parameter but - // a return value indicating an incomplete decoding operation" - // XXX: We will not check the previous return value, just - // that the previous call passed true for endOfInput - if (state != STATE_RESET && state != STATE_CODING - && !(endOfInput && state == STATE_END)) - throw new IllegalStateException (); - state = newState; - - for (;;) - { - CoderResult cr; - try - { - cr = decodeLoop (in, out); - } - catch (RuntimeException e) - { - throw new CoderMalfunctionError (e); - } - - if (cr.isOverflow ()) - return cr; - - if (cr.isUnderflow ()) - { - if (endOfInput && in.hasRemaining ()) - cr = CoderResult.malformedForLength (in.remaining ()); - else - return cr; - } - - CodingErrorAction action = cr.isMalformed () - ? malformedInputAction - : unmappableCharacterAction; - - if (action == CodingErrorAction.REPORT) - return cr; - - if (action == CodingErrorAction.REPLACE) - { - if (out.remaining () < replacement.length ()) - return CoderResult.OVERFLOW; - out.put (replacement); - } - - in.position (in.position () + cr.length ()); - } - } - - protected abstract CoderResult decodeLoop (ByteBuffer in, CharBuffer out); - - public Charset detectedCharset () - { - throw new UnsupportedOperationException (); - } - - public final CoderResult flush (CharBuffer out) - { - // It seems weird that you can flush after reset, but Sun's javadoc - // says an IllegalStateException is thrown "If the previous step of the - // current decoding operation was an invocation neither of the reset - // method nor ... of the three-argument decode method with a value of - // true for the endOfInput parameter." - // Further note that flush() only requires that there not be - // an IllegalStateException if the previous step was a call to - // decode with true as the last argument. It does not require - // that the call succeeded. decode() does require that it succeeded. - // XXX: test this to see if reality matches javadoc - if (state != STATE_RESET && state != STATE_END) - throw new IllegalStateException (); - - state = STATE_FLUSHED; - return implFlush (out); - } - - protected CoderResult implFlush (CharBuffer out) - { - return CoderResult.UNDERFLOW; - } - - public final CharsetDecoder onMalformedInput (CodingErrorAction newAction) - { - if (newAction == null) - throw new IllegalArgumentException ("Null action"); - - malformedInputAction = newAction; - implOnMalformedInput (newAction); - return this; - } - - protected void implOnMalformedInput (CodingErrorAction newAction) - { - // default implementation does nothing - } - - protected void implOnUnmappableCharacter (CodingErrorAction newAction) - { - // default implementation does nothing - } - - protected void implReplaceWith (String newReplacement) - { - // default implementation does nothing - } - - protected void implReset () - { - // default implementation does nothing - } - - public boolean isAutoDetecting () - { - return false; - } - - public boolean isCharsetDetected () - { - throw new UnsupportedOperationException (); - } - - public CodingErrorAction malformedInputAction () - { - return malformedInputAction; - } - - public final float maxCharsPerByte () - { - return maxCharsPerByte; - } - - public final CharsetDecoder onUnmappableCharacter - (CodingErrorAction newAction) - { - if (newAction == null) - throw new IllegalArgumentException ("Null action"); - - unmappableCharacterAction = newAction; - implOnUnmappableCharacter (newAction); - return this; - } - - public final String replacement () - { - return replacement; - } - - public final CharsetDecoder replaceWith (String newReplacement) - { - if (newReplacement == null) - throw new IllegalArgumentException ("Null replacement"); - if (newReplacement.length () == 0) - throw new IllegalArgumentException ("Empty replacement"); - // XXX: what about maxCharsPerByte? - - this.replacement = newReplacement; - implReplaceWith (newReplacement); - return this; - } - - public final CharsetDecoder reset () - { - state = STATE_RESET; - implReset (); - return this; - } - - public CodingErrorAction unmappableCharacterAction () - { - return unmappableCharacterAction; - } -} |