diff options
Diffstat (limited to 'libjava/java')
| -rw-r--r-- | libjava/java/text/Format.java | 2 | ||||
| -rw-r--r-- | libjava/java/text/FormatCharacterIterator.java | 469 |
2 files changed, 2 insertions, 469 deletions
diff --git a/libjava/java/text/Format.java b/libjava/java/text/Format.java index d3b7fccce01..0cef00a8d07 100644 --- a/libjava/java/text/Format.java +++ b/libjava/java/text/Format.java @@ -38,6 +38,8 @@ exception statement from your version. */ package java.text; +import gnu.java.text.FormatCharacterIterator; + import java.util.Set; import java.util.Map; import java.util.HashSet; diff --git a/libjava/java/text/FormatCharacterIterator.java b/libjava/java/text/FormatCharacterIterator.java deleted file mode 100644 index a31154c531a..00000000000 --- a/libjava/java/text/FormatCharacterIterator.java +++ /dev/null @@ -1,469 +0,0 @@ -/* FormatCharacter.java -- Implementation of AttributedCharacterIterator for - formatters. - Copyright (C) 1998, 1999, 2000, 2001, 2003 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., 59 Temple Place, Suite 330, Boston, MA -02111-1307 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.text; - -import java.util.Set; -import java.util.HashSet; -import java.util.Map; -import java.util.HashMap; -import java.util.Vector; - - -/** - * This class should not be put public and it is only intended to the - * classes of the java.text package. Its aim is to build a segmented - * character iterator by appending strings and adding attributes to - * portions of strings. The code intends to do some optimization - * concerning memory consumption and attribute access but at the - * end it is only an AttributedCharacterIterator. - * - * @author Guilhem Lavaux <guilhem@kaffe.org> - * @date November 22, 2003 - */ -class FormatCharacterIterator implements AttributedCharacterIterator -{ - private String formattedString; - private int charIndex; - private int attributeIndex; - private int[] ranges; - private HashMap[] attributes; - - /** - * This constructor builds an empty iterated strings. The attributes - * are empty and so is the string. However you may append strings - * and attributes to this iterator. - */ - FormatCharacterIterator() - { - formattedString = ""; - ranges = new int[0]; - attributes = new HashMap[0]; - } - - /** - * This constructor take a string <code>s</code>, a set of ranges - * and the corresponding attributes. This is used to build an iterator. - * The array <code>ranges</code> should be formatted as follow: - * each element of <code>ranges</code> specifies the index in the string - * until which the corresponding map of attributes at the same position - * is applied. For example, if you have: - * <pre> - * s = "hello"; - * ranges = new int[] { 2, 6 }; - * attributes = new HashMap[2]; - * </pre> - * <code>"he"</code> will have the attributes <code>attributes[0]</code>, - * <code>"llo"</code> the <code>attributes[1]</code>. - */ - FormatCharacterIterator (String s, int[] ranges, HashMap[] attributes) - { - formattedString = s; - this.ranges = ranges; - this.attributes = attributes; - } - - /* - * The following methods are inherited from AttributedCharacterIterator, - * and thus are already documented. - */ - - public Set getAllAttributeKeys() - { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex].keySet(); - else - return new HashSet(); - } - - public Map getAttributes() - { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex]; - else - return new HashMap(); - } - - public Object getAttribute (AttributedCharacterIterator.Attribute attrib) - { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex].get (attrib); - else - return null; - } - - public int getRunLimit(Set reqAttrs) - { - if (attributes == null) - return formattedString.length(); - - int currentAttrIndex = attributeIndex; - Set newKeys; - - do - { - currentAttrIndex++; - if (currentAttrIndex == attributes.length) - return formattedString.length(); - if (attributes[currentAttrIndex] == null) - break; - newKeys = attributes[currentAttrIndex].keySet(); - } - while (newKeys.containsAll (reqAttrs)); - - return ranges[currentAttrIndex-1]; - } - - public int getRunLimit (AttributedCharacterIterator.Attribute attribute) - { - Set s = new HashSet(); - - s.add (attribute); - return getRunLimit (s); - } - - public int getRunLimit() - { - if (attributes == null) - return formattedString.length(); - if (attributes[attributeIndex] == null) - { - for (int i=attributeIndex+1;i<attributes.length;i++) - if (attributes[i] != null) - return ranges[i-1]; - return formattedString.length(); - } - - return getRunLimit (attributes[attributeIndex].keySet()); - } - - public int getRunStart (Set reqAttrs) - { - if (attributes == null) - return formattedString.length(); - - int currentAttrIndex = attributeIndex; - Set newKeys = null; - - do - { - if (currentAttrIndex == 0) - return 0; - - currentAttrIndex--; - if (attributes[currentAttrIndex] == null) - break; - newKeys = attributes[currentAttrIndex].keySet(); - } - while (newKeys.containsAll (reqAttrs)); - - return (currentAttrIndex > 0) ? ranges[currentAttrIndex-1] : 0; - } - - public int getRunStart() - { - if (attributes == null) - return 0; - - if (attributes[attributeIndex] == null) - { - for (int i=attributeIndex;i>0;i--) - if (attributes[i] != null) - return ranges[attributeIndex-1]; - return 0; - } - - return getRunStart (attributes[attributeIndex].keySet()); - } - - public int getRunStart (AttributedCharacterIterator.Attribute attribute) - { - Set s = new HashSet(); - - s.add (attribute); - return getRunStart (s); - } - - public Object clone() - { - return new FormatCharacterIterator (formattedString, ranges, attributes); - } - - /* - * The following methods are inherited from CharacterIterator and thus - * are already documented. - */ - - public char current() - { - return formattedString.charAt (charIndex); - } - - public char first() - { - charIndex = 0; - attributeIndex = 0; - return formattedString.charAt (0); - } - - public int getBeginIndex() - { - return 0; - } - - public int getEndIndex() - { - return formattedString.length(); - } - - public int getIndex() - { - return charIndex; - } - - public char last() - { - charIndex = formattedString.length()-1; - if (attributes != null) - attributeIndex = attributes.length-1; - return formattedString.charAt (charIndex); - } - - public char next() - { - charIndex++; - if (charIndex >= formattedString.length()) - { - charIndex = getEndIndex(); - return DONE; - } - if (attributes != null) - { - if (charIndex >= ranges[attributeIndex]) - attributeIndex++; - } - return formattedString.charAt (charIndex); - } - - public char previous() - { - charIndex--; - if (charIndex < 0) - { - charIndex = 0; - return DONE; - } - - if (attributes != null) - { - if (charIndex < ranges[attributeIndex]) - attributeIndex--; - } - return formattedString.charAt (charIndex); - } - - public char setIndex (int position) - { - if (position < 0 || position > formattedString.length()) - throw new IllegalArgumentException ("position is out of range"); - - charIndex = position; - if (attributes != null) - { - for (attributeIndex=0;attributeIndex<attributes.length; - attributeIndex++) - if (ranges[attributeIndex] > charIndex) - break; - attributeIndex--; - } - if (charIndex == formattedString.length()) - return DONE; - else - return formattedString.charAt (charIndex); - } - - /** - * This method merge the specified attributes and ranges with the - * internal tables. This method is in charge of the optimization - * of tables. Two following sets of attributes are never the same. - * - * @see #FormatCharacterIterator() - * - * @param attributes the new array attributes to apply to the string. - */ - protected void mergeAttributes (HashMap[] attributes, int[] ranges) - { - Vector new_ranges = new Vector(); - Vector new_attributes = new Vector(); - int i = 0, j = 0; - - while (i < this.ranges.length && j < ranges.length) - { - if (this.attributes[i] != null) - { - new_attributes.add (this.attributes[i]); - if (attributes[j] != null) - this.attributes[i].putAll (attributes[j]); - } - else - { - new_attributes.add (attributes[j]); - } - if (this.ranges[i] == ranges[j]) - { - new_ranges.add (new Integer (ranges[j])); - i++; - j++; - } - else if (this.ranges[i] < ranges[j]) - { - new_ranges.add (new Integer (this.ranges[i])); - i++; - } - else - { - new_ranges.add (new Integer (ranges[j])); - j++; - } - } - - if (i != this.ranges.length) - { - for (;i<this.ranges.length;i++) - { - new_attributes.add (this.attributes[i]); - new_ranges.add (new Integer (this.ranges[i])); - } - } - if (j != ranges.length) - { - for (;j<ranges.length;j++) - { - new_attributes.add (attributes[j]); - new_ranges.add (new Integer (ranges[j])); - } - } - - this.attributes = new HashMap[new_attributes.size()]; - this.ranges = new int[new_ranges.size()]; - System.arraycopy (new_attributes.toArray(), 0, this.attributes, - 0, this.attributes.length); - - for (i=0;i<new_ranges.size();i++) - { - this.ranges[i] = ((Integer)new_ranges.elementAt (i)).intValue(); - } - - } - - /** - * This method appends to the internal attributed string the attributed - * string contained in the specified iterator. - * - * @param iterator the iterator which contains the attributed string to - * append to this iterator. - */ - protected void append (AttributedCharacterIterator iterator) - { - char c = iterator.first(); - Vector more_ranges = new Vector(); - Vector more_attributes = new Vector(); - - do - { - formattedString = formattedString + String.valueOf(c); - // TODO: Reduce the size of the output array. - more_attributes.add (iterator.getAttributes()); - more_ranges.add (new Integer (formattedString.length())); - // END TOOD - c = iterator.next(); - } - while (c != DONE); - - HashMap[] new_attributes = new HashMap[attributes.length - + more_attributes.size()]; - int[] new_ranges = new int[ranges.length + more_ranges.size()]; - - System.arraycopy (attributes, 0, new_attributes, 0, attributes.length); - System.arraycopy (more_attributes.toArray(), 0, new_attributes, - attributes.length, more_attributes.size()); - - System.arraycopy (ranges, 0, new_ranges, 0, ranges.length); - Object[] new_ranges_array = more_ranges.toArray(); - for (int i=0;i<more_ranges.size();i++) - new_ranges[i+ranges.length] = ((Integer)new_ranges_array[i]).intValue(); - - attributes = new_attributes; - ranges = new_ranges; - } - - /** - * This method appends an attributed string which attributes are specified - * directly in the calling parameters. - * - * @param text The string to append. - * @param local_attributes The attributes to put on this string in the - * iterator. If it is <code>null</code> the string will simply have no - * attributes. - */ - protected void append (String text, HashMap local_attributes) - { - int[] new_ranges = new int[ranges.length+1]; - HashMap[] new_attributes = new HashMap[attributes.length+1]; - - formattedString += text; - System.arraycopy (attributes, 0, new_attributes, 0, attributes.length); - System.arraycopy (ranges, 0, new_ranges, 0, ranges.length); - new_ranges[ranges.length] = formattedString.length(); - new_attributes[attributes.length] = local_attributes; - - ranges = new_ranges; - attributes = new_attributes; - } - - /** - * This method appends a string without attributes. It is completely - * equivalent to call {@link #append(String,HashMap)} with local_attributes - * equal to <code>null</code>. - * - * @param text The string to append to the iterator. - */ - protected void append (String text) - { - append (text, null); - } -} |
