+++ /dev/null
-/* AttributedString.java -- Models text with attributes
- Copyright (C) 1998, 1999 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.Iterator;
-import java.util.Hashtable;
-import java.util.HashSet;
-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)
- {
- Set valid_attribs = new HashSet();
- Iterator iter = all_attribs.iterator();
- while (iter.hasNext())
- {
- Object obj = iter.next();
-
- int i;
- for (i = 0; i < attributes.length; i++)
- if (obj.equals(attributes[0]))
- break;
-
- if (i == attributes.length)
- continue;
-
- valid_attribs.add(obj);
- }
-
- all_attribs = valid_attribs;
- }
-
- // Loop through and extract the attributes
- char c = aci.setIndex(begin_index);
-
- 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. Yes this is a bad way to do things.
- 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(new_map, rs, rl);
- }
-
- c = aci.next();
- }
- while(c != CharacterIterator.DONE);
-
- 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() - 1);
-}
-
-/*************************************************************************/
-
-/**
- * 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.
- * @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");
-
- Hashtable ht = new Hashtable();
- ht.put(attrib, value);
-
- addAttributes(ht, 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() - 1,
- 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() - 1));
-}
-
-/*************************************************************************/
-
-/**
- * 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
-
projects / msp430-gcc.git / blobdiff