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Diffstat (limited to 'libjava/classpath/java/text/AttributedString.java')
| -rw-r--r-- | libjava/classpath/java/text/AttributedString.java | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/libjava/classpath/java/text/AttributedString.java b/libjava/classpath/java/text/AttributedString.java deleted file mode 100644 index 4293d7d..0000000 --- a/libjava/classpath/java/text/AttributedString.java +++ /dev/null @@ -1,376 +0,0 @@ -/* AttributedString.java -- Models text with attributes - Copyright (C) 1998, 1999, 2004, 2005, 2006, 2012 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 gnu.java.lang.CPStringBuilder; - -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; - -import static java.text.AttributedCharacterIterator.Attribute; - -/** - * 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>AttributedCharacterIterator</code> interface. - * - * @since 1.2 - * - * @author Aaron M. Renn (arenn@urbanophile.com) - * @since 1.2 - */ -public class AttributedString -{ - - /** - * The attributes and ranges of text over which those attributes apply. - */ - final class AttributeRange - { - - /** A Map of the attributes */ - Map<? extends Attribute, ?> attribs; - - /** The beginning index of the attributes */ - int beginIndex; - - /** The ending index of the attributes */ - int endIndex; - - /** - * Creates a new attribute range. - * - * @param attribs the attributes. - * @param beginIndex the start index. - * @param endIndex the end index. - */ - AttributeRange(Map<? extends Attribute, ?> attribs, - int beginIndex, int endIndex) - { - this.attribs = attribs; - this.beginIndex = beginIndex; - this.endIndex = endIndex; - } - - } // Inner class AttributeRange - - /** The string we are representing. */ - private StringCharacterIterator sci; - - /** The attribute information */ - private AttributeRange[] attribs; - - /** - * Creates 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 (<code>null</code> not - * permitted). - * - * @throws NullPointerException if <code>str</code> is <code>null</code>. - */ - public AttributedString(String str) - { - sci = new StringCharacterIterator(str); - attribs = new AttributeRange[0]; - } - - /** - * Creates 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<? extends Attribute, ?> attributes) - { - this(str); - - attribs = new AttributeRange[1]; - attribs[0] = new AttributeRange(attributes, 0, str.length()); - } - - /** - * 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 (<code>null</code> not - * permitted). - * - * @throws NullPointerException if <code>aci</code> is <code>null</code>. - */ - public AttributedString(AttributedCharacterIterator aci) - { - this(aci, aci.getBeginIndex(), aci.getEndIndex(), null); - } - - /** - * 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 beginIndex The beginning index of the text subrange. - * @param endIndex The ending index of the text subrange. - */ - public AttributedString(AttributedCharacterIterator aci, int beginIndex, - int endIndex) - { - this(aci, beginIndex, endIndex, null); - } - - /** - * 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 The beginning index of the text subrange. - * @param end 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, int end, - Attribute[] attributes) - { - // Validate some arguments - if ((begin < 0) || (end < begin) || end > aci.getEndIndex()) - throw new IllegalArgumentException("Bad index values"); - - CPStringBuilder sb = new CPStringBuilder(""); - - // Get the valid attribute list - Set<Attribute> allAttribs = aci.getAllAttributeKeys(); - if (attributes != null) - allAttribs.retainAll(Arrays.asList(attributes)); - - // Loop through and extract the attributes - char c = aci.setIndex(begin); - - ArrayList<AttributeRange> accum = new ArrayList<AttributeRange>(); - do - { - sb.append(c); - - Iterator<Attribute> iter = allAttribs.iterator(); - while(iter.hasNext()) - { - Object obj = iter.next(); - - // What should we do if this is not true? - if (!(obj instanceof Attribute)) - continue; - - Attribute attrib = (Attribute)obj; - - // Make sure the attribute is defined. - Object attribObj = aci.getAttribute(attrib); - if (attribObj == null) - continue; - int rl = aci.getRunLimit(attrib); - if (rl > end) - rl = end; - rl -= begin; - - // Check to see if we already processed this one - int rs = aci.getRunStart(attrib); - if ((rs < aci.getIndex()) && (aci.getIndex() != begin)) - continue; - - // If the attribute run starts before the beginning index, we - // need to junk it if it is an Annotation. - rs -= begin; - if (rs < 0) - { - if (attribObj instanceof Annotation) - continue; - - rs = 0; - } - - // Create a map object. Yes this will only contain one attribute - Map<Attribute,Object> newMap = new Hashtable<Attribute,Object>(); - newMap.put(attrib, attribObj); - - // Add it to the attribute list. - accum.add(new AttributeRange(newMap, rs, rl)); - } - - c = aci.next(); - } - while( aci.getIndex() < end ); - - attribs = new AttributeRange[accum.size()]; - attribs = accum.toArray(attribs); - - sci = new StringCharacterIterator(sb.toString()); - } - - /** - * 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(Attribute attrib, Object value) - { - addAttribute(attrib, value, 0, sci.getEndIndex()); - } - - /** - * 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 <code>null</code>. - * @param begin The beginning index of the subrange. - * @param end The ending index of the subrange. - * - * @exception IllegalArgumentException If attribute is <code>null</code> or - * the subrange is not valid. - */ - public void addAttribute(Attribute attrib, Object value, int begin, int end) - { - if (attrib == null) - throw new IllegalArgumentException("null attribute"); - if (end <= begin) - throw new IllegalArgumentException("Requires end > begin"); - HashMap<Attribute,Object> hm = new HashMap<Attribute,Object>(); - hm.put(attrib, value); - - addAttributes(hm, begin, end); - } - - /** - * Adds all of the attributes in the specified list to the - * specified subrange of the string. - * - * @param attributes The list of attributes. - * @param beginIndex The beginning index. - * @param endIndex The ending index - * - * @throws NullPointerException if <code>attributes</code> is - * <code>null</code>. - * @throws IllegalArgumentException if the subrange is not valid. - */ - public void addAttributes(Map<? extends Attribute, ?> attributes, - int beginIndex, int endIndex) - { - if (attributes == null) - throw new NullPointerException("null attribute"); - - if ((beginIndex < 0) || (endIndex > sci.getEndIndex()) || - (endIndex <= beginIndex)) - 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, beginIndex, - endIndex); - } - - /** - * 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)); - } - - /** - * 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(Attribute[] attributes) - { - return(getIterator(attributes, 0, sci.getEndIndex())); - } - - /** - * 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 beginIndex The beginning index of the subrange. - * @param endIndex The ending index of the subrange. - * - * @return An <code>AttributedCharacterIterator</code> for this string. - */ - public AttributedCharacterIterator getIterator(Attribute[] attributes, - int beginIndex, int endIndex) - { - if ((beginIndex < 0) || (endIndex > sci.getEndIndex()) || - (endIndex < beginIndex)) - throw new IllegalArgumentException("bad range"); - - return(new AttributedStringIterator(sci, attribs, beginIndex, endIndex, - attributes)); - } - -} // class AttributedString |