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Diffstat (limited to 'libjava/java/text/AttributedString.java')
| -rw-r--r-- | libjava/java/text/AttributedString.java | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/libjava/java/text/AttributedString.java b/libjava/java/text/AttributedString.java deleted file mode 100644 index b9ced8f..0000000 --- a/libjava/java/text/AttributedString.java +++ /dev/null @@ -1,425 +0,0 @@ -/* AttributedString.java -- Models text with attributes - Copyright (C) 1998, 1999, 2004 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.text; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.HashMap; -import java.util.Hashtable; -import java.util.Iterator; -import java.util.Map; -import java.util.Set; - -/** - * This class models a <code>String</code> with attributes over various - * subranges of the string. It allows applications to access this - * information via the <code>AttributedCharcterIterator</code> interface. - * - * @version 0.0 - * - * @author Aaron M. Renn (arenn@urbanophile.com) - */ -public class AttributedString -{ - -/*************************************************************************/ - -/* - * Inner Classes - */ - -/** - * This class contains the attributes and ranges of text over which - * that attributes apply. - */ -final class AttributeRange -{ - -/* - * Instance Variables - */ - -/** - * A Map of the attributes - */ -Map attribs; - -/** - * The beginning index of the attributes - */ -int begin_index; - -/** - * The ending index of the attributes - */ -int end_index; - -/*************************************************************************/ - -/* - * Constructors - */ - -AttributeRange(Map attribs, int begin_index, int end_index) -{ - this.attribs = attribs; - this.begin_index = begin_index; - this.end_index = end_index; -} - -} // Inner class AttributeRange - -/*************************************************************************/ - -/* - * Instance Variables - */ - -/** - * This object holds the string we are representing. - */ -private StringCharacterIterator sci; - -/** - * This is the attribute information - */ -private AttributeRange[] attribs; - -/*************************************************************************/ - -/* - * Constructors - */ - -/** - * This method initializes a new instance of <code>AttributedString</code> - * that represents the specified <code>String</code> with no attributes. - * - * @param str The <code>String</code> to be attributed. - */ -public -AttributedString(String str) -{ - sci = new StringCharacterIterator(str); - attribs = new AttributeRange[0]; -} - -/*************************************************************************/ - -/** - * This method initializes a new instance of <code>AttributedString</code> - * that represents that specified <code>String</code> with the specified - * attributes over the entire length of the <code>String</code>. - * - * @param str The <code>String</code> to be attributed. - * @param attributes The attribute list. - */ -public -AttributedString(String str, Map attributes) -{ - this(str); - - attribs = new AttributeRange[1]; - attribs[0] = new AttributeRange(attributes, 0, str.length()); -} - -/*************************************************************************/ - -/** - * This method initializes a new instance of <code>AttributedString</code> - * that will use the text and attribute information from the specified - * <code>AttributedCharacterIterator</code>. - * - * @param aci The <code>AttributedCharacterIterator</code> containing the text and attribute information. - */ -public -AttributedString(AttributedCharacterIterator aci) -{ - this(aci, aci.getBeginIndex(), aci.getEndIndex(), null); -} - -/*************************************************************************/ - -/** - * This method initializes a new instance of <code>AttributedString</code> - * that will use the text and attribute information from the specified - * subrange of the specified <code>AttributedCharacterIterator</code>. - * - * @param aci The <code>AttributedCharacterIterator</code> containing the text and attribute information. - * @param begin_index The beginning index of the text subrange. - * @param end_index The ending index of the text subrange. - */ -public -AttributedString(AttributedCharacterIterator aci, int begin_index, - int end_index) -{ - this(aci, begin_index, end_index, null); -} - -/*************************************************************************/ - -/** - * This method initializes a new instance of <code>AttributedString</code> - * that will use the text and attribute information from the specified - * subrange of the specified <code>AttributedCharacterIterator</code>. - * Only attributes from the source iterator that are present in the - * specified array of attributes will be included in the attribute list - * for this object. - * - * @param aci The <code>AttributedCharacterIterator</code> containing the text and attribute information. - * @param begin_index The beginning index of the text subrange. - * @param end_index The ending index of the text subrange. - * @param attributes A list of attributes to include from the iterator, or <code>null</code> to include all attributes. - */ -public -AttributedString(AttributedCharacterIterator aci, int begin_index, - int end_index, AttributedCharacterIterator.Attribute[] attributes) -{ - // Validate some arguments - if ((begin_index < 0) || (end_index < begin_index)) - throw new IllegalArgumentException("Bad index values"); - - StringBuffer sb = new StringBuffer(""); - - // Get the valid attribute list - Set all_attribs = aci.getAllAttributeKeys(); - if (attributes != null) - all_attribs.retainAll(Arrays.asList(attributes)); - - // Loop through and extract the attributes - char c = aci.setIndex(begin_index); - - ArrayList accum = new ArrayList(); - do - { - sb.append(c); - - Iterator iter = all_attribs.iterator(); - while(iter.hasNext()) - { - Object obj = iter.next(); - - // What should we do if this is not true? - if (!(obj instanceof AttributedCharacterIterator.Attribute)) - continue; - - AttributedCharacterIterator.Attribute attrib = - (AttributedCharacterIterator.Attribute)obj; - - // Make sure the attribute is defined. - int rl = aci.getRunLimit(attrib); - if (rl == -1) - continue; - if (rl > end_index) - rl = end_index; - rl -= begin_index; - - // Check to see if we already processed this one - int rs = aci.getRunStart(attrib); - if ((rs < aci.getIndex()) && (aci.getIndex() != begin_index)) - continue; - - // If the attribute run starts before the beginning index, we - // need to junk it if it is an Annotation. - Object attrib_obj = aci.getAttribute(attrib); - if (rs < begin_index) - { - if (attrib_obj instanceof Annotation) - continue; - - rs = begin_index; - } - else - { - rs -= begin_index; - } - - // Create a map object. Yes this will only contain one attribute - Map new_map = new Hashtable(); - new_map.put(attrib, attrib_obj); - - // Add it to the attribute list. - accum.add(new AttributeRange(new_map, rs, rl)); - } - - c = aci.next(); - } - while(c != CharacterIterator.DONE); - - attribs = new AttributeRange[accum.size()]; - attribs = (AttributeRange[]) accum.toArray(attribs); - - sci = new StringCharacterIterator(sb.toString()); -} - -/*************************************************************************/ - -/* - * Instance Methods - */ - -/** - * This method adds a new attribute that will cover the entire string. - * - * @param attrib The attribute to add. - * @param value The value of the attribute. - */ -public void -addAttribute(AttributedCharacterIterator.Attribute attrib, Object value) -{ - addAttribute(attrib, value, 0, sci.getEndIndex()); -} - -/*************************************************************************/ - -/** - * This method adds a new attribute that will cover the specified subrange - * of the string. - * - * @param attrib The attribute to add. - * @param value The value of the attribute, which may be null. - * @param begin_index The beginning index of the subrange. - * @param end_index The ending index of the subrange. - * - * @exception IllegalArgumentException If attribute is <code>null</code> or the subrange is not valid. - */ -public void -addAttribute(AttributedCharacterIterator.Attribute attrib, Object value, - int begin_index, int end_index) -{ - if (attrib == null) - throw new IllegalArgumentException("null attribute"); - - HashMap hm = new HashMap(); - hm.put(attrib, value); - - addAttributes(hm, begin_index, end_index); -} - -/*************************************************************************/ - -/** - * This method adds all of the attributes in the specified list to the - * specified subrange of the string. - * - * @param attributes The list of attributes. - * @param begin_index The beginning index. - * @param end_index The ending index - * - * @param IllegalArgumentException If the list is <code>null</code> or the subrange is not valid. - */ -public void -addAttributes(Map attributes, int begin_index, int end_index) -{ - if (attributes == null) - throw new IllegalArgumentException("null attribute"); - - if ((begin_index < 0) || (end_index > sci.getEndIndex()) || - (end_index < begin_index)) - throw new IllegalArgumentException("bad range"); - - AttributeRange[] new_list = new AttributeRange[attribs.length + 1]; - System.arraycopy(attribs, 0, new_list, 0, attribs.length); - attribs = new_list; - attribs[attribs.length - 1] = new AttributeRange(attributes, begin_index, - end_index); -} - -/*************************************************************************/ - -/** - * This method returns an <code>AttributedCharacterIterator</code> that - * will iterate over the entire string. - * - * @return An <code>AttributedCharacterIterator</code> for the entire string. - */ -public AttributedCharacterIterator -getIterator() -{ - return(new AttributedStringIterator(sci, attribs, 0, sci.getEndIndex(), null)); -} - -/*************************************************************************/ - -/** - * This method returns an <code>AttributedCharacterIterator</code> that - * will iterate over the entire string. This iterator will return information - * about the list of attributes in the specified array. Attributes not in - * the array may or may not be returned by the iterator. If the specified - * array is <code>null</code>, all attributes will be returned. - * - * @param attributes A list of attributes to include in the returned iterator. - * - * @return An <code>AttributedCharacterIterator</code> for this string. - */ -public AttributedCharacterIterator -getIterator(AttributedCharacterIterator.Attribute[] attributes) -{ - return(getIterator(attributes, 0, sci.getEndIndex())); -} - -/*************************************************************************/ - -/** - * This method returns an <code>AttributedCharacterIterator</code> that - * will iterate over the specified subrange. This iterator will return information - * about the list of attributes in the specified array. Attributes not in - * the array may or may not be returned by the iterator. If the specified - * array is <code>null</code>, all attributes will be returned. - * - * @param attributes A list of attributes to include in the returned iterator. - * @param begin_index The beginning index of the subrange. - * @param end_index The ending index of the subrange. - * - * @return An <code>AttributedCharacterIterator</code> for this string. - */ -public AttributedCharacterIterator -getIterator(AttributedCharacterIterator.Attribute[] attributes, - int begin_index, int end_index) -{ - if ((begin_index < 0) || (end_index > sci.getEndIndex()) || - (end_index < begin_index)) - throw new IllegalArgumentException("bad range"); - - return(new AttributedStringIterator(sci, attribs, begin_index, end_index, - attributes)); -} - -} // class AttributedString - |