diff options
Diffstat (limited to 'libjava/classpath/gnu/java/text/FormatCharacterIterator.java')
| -rw-r--r-- | libjava/classpath/gnu/java/text/FormatCharacterIterator.java | 223 |
1 files changed, 121 insertions, 102 deletions
diff --git a/libjava/classpath/gnu/java/text/FormatCharacterIterator.java b/libjava/classpath/gnu/java/text/FormatCharacterIterator.java index 889394ca451..677d4d3b91a 100644 --- a/libjava/classpath/gnu/java/text/FormatCharacterIterator.java +++ b/libjava/classpath/gnu/java/text/FormatCharacterIterator.java @@ -1,6 +1,6 @@ /* FormatCharacter.java -- Implementation of AttributedCharacterIterator for formatters. - Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2012 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,12 +38,15 @@ exception statement from your version. */ package gnu.java.text; import java.text.AttributedCharacterIterator; +import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; +import java.util.List; import java.util.Map; import java.util.Set; -import java.util.Vector; + +import static java.text.AttributedCharacterIterator.Attribute; /** * This class should not be put public and it is only intended to the @@ -62,7 +65,7 @@ public class FormatCharacterIterator implements AttributedCharacterIterator private int charIndex; private int attributeIndex; private int[] ranges; - private HashMap[] attributes; + private List<Map<Attribute,Object>> attributes; private static final boolean DEBUG = false; /** @@ -74,7 +77,7 @@ public class FormatCharacterIterator implements AttributedCharacterIterator { formattedString = ""; ranges = new int[0]; - attributes = new HashMap[0]; + attributes = new ArrayList<Map<Attribute,Object>>(0); } /** @@ -87,12 +90,13 @@ public class FormatCharacterIterator implements AttributedCharacterIterator * <pre> * s = "hello"; * ranges = new int[] { 2, 6 }; - * attributes = new HashMap[2]; + * attributes = new ArrayList<Map<Attribute,Object>>(2); * </pre> - * <code>"he"</code> will have the attributes <code>attributes[0]</code>, - * <code>"llo"</code> the <code>attributes[1]</code>. + * <code>"he"</code> will have the attributes <code>attributes.get(0)</code>, + * <code>"llo"</code> the <code>attributes.get(1)</code>. */ - public FormatCharacterIterator (String s, int[] ranges, HashMap[] attributes) + public FormatCharacterIterator (String s, int[] ranges, + List<Map<Attribute,Object>> attributes) { formattedString = s; this.ranges = ranges; @@ -104,55 +108,57 @@ public class FormatCharacterIterator implements AttributedCharacterIterator * and thus are already documented. */ - public Set getAllAttributeKeys() + public Set<Attribute> getAllAttributeKeys() { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex].keySet(); + if (attributes != null && attributes.get(attributeIndex) != null) + return attributes.get(attributeIndex).keySet(); else - return new HashSet(); + return new HashSet<Attribute>(); } - public Map getAttributes() + public Map<Attribute,Object> getAttributes() { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex]; + if (attributes != null && attributes.get(attributeIndex) != null) + return attributes.get(attributeIndex); else - return new HashMap(); + return new HashMap<Attribute,Object>(); } - public Object getAttribute (AttributedCharacterIterator.Attribute attrib) + public Object getAttribute (Attribute attrib) { - if (attributes != null && attributes[attributeIndex] != null) - return attributes[attributeIndex].get (attrib); + if (attributes != null && attributes.get(attributeIndex) != null) + return attributes.get(attributeIndex).get (attrib); else return null; } - public int getRunLimit(Set reqAttrs) + public int getRunLimit(Set<? extends Attribute> reqAttrs) { if (attributes == null) return formattedString.length(); int currentAttrIndex = attributeIndex; - Set newKeys; + Set<Attribute> newKeys; do { currentAttrIndex++; - if (currentAttrIndex == attributes.length) + if (currentAttrIndex == attributes.size()) return formattedString.length(); - if (attributes[currentAttrIndex] == null) + Map<Attribute,Object> currentAttr = + attributes.get(currentAttrIndex); + if (currentAttr == null) break; - newKeys = attributes[currentAttrIndex].keySet(); + newKeys = currentAttr.keySet(); } while (newKeys.containsAll (reqAttrs)); return ranges[currentAttrIndex-1]; } - public int getRunLimit (AttributedCharacterIterator.Attribute attribute) + public int getRunLimit (Attribute attribute) { - Set s = new HashSet(); + Set<Attribute> s = new HashSet<Attribute>(); s.add (attribute); return getRunLimit (s); @@ -162,24 +168,24 @@ public class FormatCharacterIterator implements AttributedCharacterIterator { if (attributes == null) return formattedString.length(); - if (attributes[attributeIndex] == null) + if (attributes.get(attributeIndex) == null) { - for (int i=attributeIndex+1;i<attributes.length;i++) - if (attributes[i] != null) + for (int i=attributeIndex+1;i<attributes.size();i++) + if (attributes.get(i) != null) return ranges[i-1]; return formattedString.length(); } - return getRunLimit (attributes[attributeIndex].keySet()); + return getRunLimit (attributes.get(attributeIndex).keySet()); } - public int getRunStart (Set reqAttrs) + public int getRunStart (Set<? extends Attribute> reqAttrs) { if (attributes == null) return formattedString.length(); int currentAttrIndex = attributeIndex; - Set newKeys = null; + Set<Attribute> newKeys = null; do { @@ -187,9 +193,11 @@ public class FormatCharacterIterator implements AttributedCharacterIterator return 0; currentAttrIndex--; - if (attributes[currentAttrIndex] == null) + Map<Attribute,Object> currentAttr = + attributes.get(currentAttrIndex); + if (currentAttr == null) break; - newKeys = attributes[currentAttrIndex].keySet(); + newKeys = currentAttr.keySet(); } while (newKeys.containsAll (reqAttrs)); @@ -201,20 +209,21 @@ public class FormatCharacterIterator implements AttributedCharacterIterator if (attributes == null) return 0; - if (attributes[attributeIndex] == null) + Map<Attribute,Object> attrib = attributes.get(attributeIndex); + if (attrib == null) { for (int i=attributeIndex;i>0;i--) - if (attributes[i] != null) + if (attributes.get(i) != null) return ranges[attributeIndex-1]; return 0; } - return getRunStart (attributes[attributeIndex].keySet()); + return getRunStart (attrib.keySet()); } - public int getRunStart (AttributedCharacterIterator.Attribute attribute) + public int getRunStart (Attribute attribute) { - Set s = new HashSet(); + Set<Attribute> s = new HashSet<Attribute>(); s.add (attribute); return getRunStart (s); @@ -261,7 +270,7 @@ public class FormatCharacterIterator implements AttributedCharacterIterator { charIndex = formattedString.length()-1; if (attributes != null) - attributeIndex = attributes.length-1; + attributeIndex = attributes.size()-1; return formattedString.charAt (charIndex); } @@ -306,7 +315,7 @@ public class FormatCharacterIterator implements AttributedCharacterIterator charIndex = position; if (attributes != null) { - for (attributeIndex=0;attributeIndex<attributes.length; + for (attributeIndex=0;attributeIndex<attributes.size(); attributeIndex++) if (ranges[attributeIndex] > charIndex) break; @@ -327,40 +336,42 @@ public class FormatCharacterIterator implements AttributedCharacterIterator * * @param attributes the new array attributes to apply to the string. */ - public void mergeAttributes (HashMap[] attributes, int[] ranges) + public void mergeAttributes (List<Map<Attribute,Object>> attributes, + int[] ranges) { - Vector new_ranges = new Vector(); - Vector new_attributes = new Vector(); + List<Integer> newRanges = new ArrayList<Integer>(); + List<Map<Attribute,Object>> newAttributes = + new ArrayList<Map<Attribute,Object>>(); int i = 0, j = 0; - debug("merging " + attributes.length + " attrs"); + debug("merging " + attributes.size() + " attrs"); while (i < this.ranges.length && j < ranges.length) { - if (this.attributes[i] != null) + if (this.attributes.get(i) != null) { - new_attributes.add (this.attributes[i]); - if (attributes[j] != null) - this.attributes[i].putAll (attributes[j]); + newAttributes.add (this.attributes.get(i)); + if (attributes.get(j) != null) + this.attributes.get(i).putAll (attributes.get(j)); } else { - new_attributes.add (attributes[j]); + newAttributes.add (attributes.get(j)); } if (this.ranges[i] == ranges[j]) { - new_ranges.add (new Integer (ranges[j])); + newRanges.add (Integer.valueOf (ranges[j])); i++; j++; } else if (this.ranges[i] < ranges[j]) { - new_ranges.add (new Integer (this.ranges[i])); + newRanges.add (Integer.valueOf (this.ranges[i])); i++; } else { - new_ranges.add (new Integer (ranges[j])); + newRanges.add (Integer.valueOf (ranges[j])); j++; } } @@ -369,27 +380,25 @@ public class FormatCharacterIterator implements AttributedCharacterIterator { for (;i<this.ranges.length;i++) { - new_attributes.add (this.attributes[i]); - new_ranges.add (new Integer (this.ranges[i])); + newAttributes.add (this.attributes.get(i)); + newRanges.add (Integer.valueOf (this.ranges[i])); } } if (j != ranges.length) { for (;j<ranges.length;j++) { - new_attributes.add (attributes[j]); - new_ranges.add (new Integer (ranges[j])); + newAttributes.add (attributes.get(j)); + newRanges.add (Integer.valueOf (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); + this.attributes = newAttributes; + this.ranges = new int[newRanges.size()]; - for (i=0;i<new_ranges.size();i++) + for (i=0;i<newRanges.size();i++) { - this.ranges[i] = ((Integer)new_ranges.elementAt (i)).intValue(); + this.ranges[i] = newRanges.get (i).intValue(); } dumpTable(); @@ -405,35 +414,35 @@ public class FormatCharacterIterator implements AttributedCharacterIterator public void append (AttributedCharacterIterator iterator) { char c = iterator.first(); - Vector more_ranges = new Vector(); - Vector more_attributes = new Vector(); + List<Integer> moreRanges = new ArrayList<Integer>(); + List<Map<Attribute,Object>> moreAttributes = + new ArrayList<Map<Attribute,Object>>(); 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())); + moreAttributes.add (iterator.getAttributes()); + moreRanges.add (Integer.valueOf (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()]; + List<Map<Attribute,Object>> newAttributes = + new ArrayList<Map<Attribute,Object>>(attributes.size() + moreAttributes.size()); + int[] newRanges = new int[ranges.length + moreRanges.size()]; - System.arraycopy (attributes, 0, new_attributes, 0, attributes.length); - System.arraycopy (more_attributes.toArray(), 0, new_attributes, - attributes.length, more_attributes.size()); + newAttributes.addAll(attributes); + newAttributes.addAll(moreAttributes); - 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(); + System.arraycopy (ranges, 0, newRanges, 0, ranges.length); + Integer[] newRangesArray = moreRanges.toArray(new Integer[moreRanges.size()]); + for (int i = 0; i < moreRanges.size();i++) + newRanges[i+ranges.length] = newRangesArray[i].intValue(); - attributes = new_attributes; - ranges = new_ranges; + attributes = newAttributes; + ranges = newRanges; } /** @@ -441,28 +450,29 @@ public class FormatCharacterIterator implements AttributedCharacterIterator * directly in the calling parameters. * * @param text The string to append. - * @param local_attributes The attributes to put on this string in the + * @param localAttributes The attributes to put on this string in the * iterator. If it is <code>null</code> the string will simply have no * attributes. */ - public void append (String text, HashMap local_attributes) + public void append (String text, HashMap<? extends Attribute,? extends Object> localAttributes) { - int[] new_ranges = new int[ranges.length+1]; - HashMap[] new_attributes = new HashMap[attributes.length+1]; + int[] newRanges = new int[ranges.length+1]; + List<Map<Attribute,Object>> newAttributes = + new ArrayList<Map<Attribute,Object>>(attributes.size()+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; + newAttributes.addAll(attributes); + System.arraycopy (ranges, 0, newRanges, 0, ranges.length); + newRanges[ranges.length] = formattedString.length(); + newAttributes.add(new HashMap<Attribute,Object>(localAttributes)); - ranges = new_ranges; - attributes = new_attributes; + ranges = newRanges; + attributes = newAttributes; } /** * This method appends a string without attributes. It is completely - * equivalent to call {@link #append(String,HashMap)} with local_attributes + * equivalent to call {@link #append(String,HashMap)} with localAttributes * equal to <code>null</code>. * * @param text The string to append to the iterator. @@ -475,22 +485,31 @@ public class FormatCharacterIterator implements AttributedCharacterIterator /** * This method adds a set of attributes to a range of character. The * bounds are always inclusive. In the case many attributes have to - * be added it is advised to directly use {@link #mergeAttributes([Ljava.util.HashMap;[I} + * be added it is advised to directly use {@link #mergeAttributes(java.util.List;[I} * * @param attributes Attributes to merge into the iterator. - * @param range_start Lower bound of the range of characters which will receive the + * @param rangeStart Lower bound of the range of characters which will receive the * attribute. - * @param range_end Upper bound of the range of characters which will receive the + * @param rangeEnd Upper bound of the range of characters which will receive the * attribute. * * @throws IllegalArgumentException if ranges are out of bounds. */ - public void addAttributes(HashMap attributes, int range_start, int range_end) + public void addAttributes(Map<? extends Attribute,? extends Object> attributes, + int rangeStart, int rangeEnd) { - if (range_start == 0) - mergeAttributes(new HashMap[] { attributes }, new int[] { range_end }); + List<Map<Attribute,Object>> mergeAttribs = new ArrayList<Map<Attribute,Object>>(); + int[] mergeRanges; + + if (rangeStart == 0) + mergeRanges = new int[] { rangeEnd }; else - mergeAttributes(new HashMap[] { null, attributes }, new int[] { range_start, range_end }); + { + mergeRanges = new int[] { rangeStart, rangeEnd }; + mergeAttribs.add(null); + } + mergeAttribs.add(new HashMap<Attribute,Object>(attributes)); + mergeAttributes(mergeAttribs, mergeRanges); } private void debug(String s) @@ -501,7 +520,7 @@ public class FormatCharacterIterator implements AttributedCharacterIterator private void dumpTable() { - int start_range = 0; + int startRange = 0; if (!DEBUG) return; @@ -509,15 +528,15 @@ public class FormatCharacterIterator implements AttributedCharacterIterator System.out.println("Dumping internal table:"); for (int i = 0; i < ranges.length; i++) { - System.out.print("\t" + start_range + " => " + ranges[i] + ":"); - if (attributes[i] == null) + System.out.print("\t" + startRange + " => " + ranges[i] + ":"); + if (attributes.get(i) == null) System.out.println("null"); else { - Set keyset = attributes[i].keySet(); + Set<Attribute> keyset = attributes.get(i).keySet(); if (keyset != null) { - Iterator keys = keyset.iterator(); + Iterator<Attribute> keys = keyset.iterator(); while (keys.hasNext()) System.out.print(" " + keys.next()); |