auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 1620 deletions

diff --git a/core/java/android/text/TextUtils.java b/core/java/android/text/TextUtils.java
deleted file mode 100644
index 5b4c380..0000000
--- a/core/java/android/text/TextUtils.java
+++ /dev/null
@@ -1,1620 +0,0 @@
-/*
- * Copyright (C) 2006 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.text;
-
-import com.android.internal.R;
-
-import android.content.res.ColorStateList;
-import android.content.res.Resources;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.text.method.TextKeyListener.Capitalize;
-import android.text.style.AbsoluteSizeSpan;
-import android.text.style.AlignmentSpan;
-import android.text.style.BackgroundColorSpan;
-import android.text.style.BulletSpan;
-import android.text.style.CharacterStyle;
-import android.text.style.ForegroundColorSpan;
-import android.text.style.LeadingMarginSpan;
-import android.text.style.MetricAffectingSpan;
-import android.text.style.QuoteSpan;
-import android.text.style.RelativeSizeSpan;
-import android.text.style.ReplacementSpan;
-import android.text.style.ScaleXSpan;
-import android.text.style.StrikethroughSpan;
-import android.text.style.StyleSpan;
-import android.text.style.SubscriptSpan;
-import android.text.style.SuperscriptSpan;
-import android.text.style.TextAppearanceSpan;
-import android.text.style.TypefaceSpan;
-import android.text.style.URLSpan;
-import android.text.style.UnderlineSpan;
-import android.util.Printer;
-
-import com.android.internal.util.ArrayUtils;
-
-import java.util.regex.Pattern;
-import java.util.Iterator;
-
-public class TextUtils {
-    private TextUtils() { /* cannot be instantiated */ }
-
-    private static String[] EMPTY_STRING_ARRAY = new String[]{};
-
-    public static void getChars(CharSequence s, int start, int end,
-                                char[] dest, int destoff) {
-        Class c = s.getClass();
-
-        if (c == String.class)
-            ((String) s).getChars(start, end, dest, destoff);
-        else if (c == StringBuffer.class)
-            ((StringBuffer) s).getChars(start, end, dest, destoff);
-        else if (c == StringBuilder.class)
-            ((StringBuilder) s).getChars(start, end, dest, destoff);
-        else if (s instanceof GetChars)
-            ((GetChars) s).getChars(start, end, dest, destoff);
-        else {
-            for (int i = start; i < end; i++)
-                dest[destoff++] = s.charAt(i);
-        }
-    }
-
-    public static int indexOf(CharSequence s, char ch) {
-        return indexOf(s, ch, 0);
-    }
-
-    public static int indexOf(CharSequence s, char ch, int start) {
-        Class c = s.getClass();
-
-        if (c == String.class)
-            return ((String) s).indexOf(ch, start);
-
-        return indexOf(s, ch, start, s.length());
-    }
-
-    public static int indexOf(CharSequence s, char ch, int start, int end) {
-        Class c = s.getClass();
-
-        if (s instanceof GetChars || c == StringBuffer.class ||
-            c == StringBuilder.class || c == String.class) {
-            final int INDEX_INCREMENT = 500;
-            char[] temp = obtain(INDEX_INCREMENT);
-
-            while (start < end) {
-                int segend = start + INDEX_INCREMENT;
-                if (segend > end)
-                    segend = end;
-
-                getChars(s, start, segend, temp, 0);
-
-                int count = segend - start;
-                for (int i = 0; i < count; i++) {
-                    if (temp[i] == ch) {
-                        recycle(temp);
-                        return i + start;
-                    }
-                }
-
-                start = segend;
-            }
-
-            recycle(temp);
-            return -1;
-        }
-
-        for (int i = start; i < end; i++)
-            if (s.charAt(i) == ch)
-                return i;
-
-        return -1;
-    }
-
-    public static int lastIndexOf(CharSequence s, char ch) {
-        return lastIndexOf(s, ch, s.length() - 1);
-    }
-
-    public static int lastIndexOf(CharSequence s, char ch, int last) {
-        Class c = s.getClass();
-
-        if (c == String.class)
-            return ((String) s).lastIndexOf(ch, last);
-
-        return lastIndexOf(s, ch, 0, last);
-    }
-
-    public static int lastIndexOf(CharSequence s, char ch,
-                                  int start, int last) {
-        if (last < 0)
-            return -1;
-        if (last >= s.length())
-            last = s.length() - 1;
-
-        int end = last + 1;
-
-        Class c = s.getClass();
-
-        if (s instanceof GetChars || c == StringBuffer.class ||
-            c == StringBuilder.class || c == String.class) {
-            final int INDEX_INCREMENT = 500;
-            char[] temp = obtain(INDEX_INCREMENT);
-
-            while (start < end) {
-                int segstart = end - INDEX_INCREMENT;
-                if (segstart < start)
-                    segstart = start;
-
-                getChars(s, segstart, end, temp, 0);
-
-                int count = end - segstart;
-                for (int i = count - 1; i >= 0; i--) {
-                    if (temp[i] == ch) {
-                        recycle(temp);
-                        return i + segstart;
-                    }
-                }
-
-                end = segstart;
-            }
-
-            recycle(temp);
-            return -1;
-        }
-
-        for (int i = end - 1; i >= start; i--)
-            if (s.charAt(i) == ch)
-                return i;
-
-        return -1;
-    }
-
-    public static int indexOf(CharSequence s, CharSequence needle) {
-        return indexOf(s, needle, 0, s.length());
-    }
-
-    public static int indexOf(CharSequence s, CharSequence needle, int start) {
-        return indexOf(s, needle, start, s.length());
-    }
-
-    public static int indexOf(CharSequence s, CharSequence needle,
-                              int start, int end) {
-        int nlen = needle.length();
-        if (nlen == 0)
-            return start;
-
-        char c = needle.charAt(0);
-
-        for (;;) {
-            start = indexOf(s, c, start);
-            if (start > end - nlen) {
-                break;
-            }
-
-            if (start < 0) {
-                return -1;
-            }
-
-            if (regionMatches(s, start, needle, 0, nlen)) {
-                return start;
-            }
-
-            start++;
-        }
-        return -1;
-    }
-
-    public static boolean regionMatches(CharSequence one, int toffset,
-                                        CharSequence two, int ooffset,
-                                        int len) {
-        char[] temp = obtain(2 * len);
-
-        getChars(one, toffset, toffset + len, temp, 0);
-        getChars(two, ooffset, ooffset + len, temp, len);
-
-        boolean match = true;
-        for (int i = 0; i < len; i++) {
-            if (temp[i] != temp[i + len]) {
-                match = false;
-                break;
-            }
-        }
-
-        recycle(temp);
-        return match;
-    }
-
-    /**
-     * Create a new String object containing the given range of characters
-     * from the source string.  This is different than simply calling
-     * {@link CharSequence#subSequence(int, int) CharSequence.subSequence}
-     * in that it does not preserve any style runs in the source sequence,
-     * allowing a more efficient implementation.
-     */
-    public static String substring(CharSequence source, int start, int end) {
-        if (source instanceof String)
-            return ((String) source).substring(start, end);
-        if (source instanceof StringBuilder)
-            return ((StringBuilder) source).substring(start, end);
-        if (source instanceof StringBuffer)
-            return ((StringBuffer) source).substring(start, end);
-
-        char[] temp = obtain(end - start);
-        getChars(source, start, end, temp, 0);
-        String ret = new String(temp, 0, end - start);
-        recycle(temp);
-
-        return ret;
-    }
-
-    /**
-     * Returns a string containing the tokens joined by delimiters.
-     * @param tokens an array objects to be joined. Strings will be formed from
-     *     the objects by calling object.toString().
-     */
-    public static String join(CharSequence delimiter, Object[] tokens) {
-        StringBuilder sb = new StringBuilder();
-        boolean firstTime = true;
-        for (Object token: tokens) {
-            if (firstTime) {
-                firstTime = false;
-            } else {
-                sb.append(delimiter);
-            }
-            sb.append(token);
-        }
-        return sb.toString();
-    }
-
-    /**
-     * Returns a string containing the tokens joined by delimiters.
-     * @param tokens an array objects to be joined. Strings will be formed from
-     *     the objects by calling object.toString().
-     */
-    public static String join(CharSequence delimiter, Iterable tokens) {
-        StringBuilder sb = new StringBuilder();
-        boolean firstTime = true;
-        for (Object token: tokens) {
-            if (firstTime) {
-                firstTime = false;
-            } else {
-                sb.append(delimiter);
-            }
-            sb.append(token);
-        }
-        return sb.toString();
-    }
-
-    /**
-     * String.split() returns [''] when the string to be split is empty. This returns []. This does
-     * not remove any empty strings from the result. For example split("a,", ","  ) returns {"a", ""}.
-     *
-     * @param text the string to split
-     * @param expression the regular expression to match
-     * @return an array of strings. The array will be empty if text is empty
-     *
-     * @throws NullPointerException if expression or text is null
-     */
-    public static String[] split(String text, String expression) {
-        if (text.length() == 0) {
-            return EMPTY_STRING_ARRAY;
-        } else {
-            return text.split(expression, -1);
-        }
-    }
-
-    /**
-     * Splits a string on a pattern. String.split() returns [''] when the string to be
-     * split is empty. This returns []. This does not remove any empty strings from the result.
-     * @param text the string to split
-     * @param pattern the regular expression to match
-     * @return an array of strings. The array will be empty if text is empty
-     *
-     * @throws NullPointerException if expression or text is null
-     */
-    public static String[] split(String text, Pattern pattern) {
-        if (text.length() == 0) {
-            return EMPTY_STRING_ARRAY;
-        } else {
-            return pattern.split(text, -1);
-        }
-    }
-
-    /**
-     * An interface for splitting strings according to rules that are opaque to the user of this
-     * interface. This also has less overhead than split, which uses regular expressions and
-     * allocates an array to hold the results.
-     *
-     * <p>The most efficient way to use this class is:
-     *
-     * <pre>
-     * // Once
-     * TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(delimiter);
-     *
-     * // Once per string to split
-     * splitter.setString(string);
-     * for (String s : splitter) {
-     *     ...
-     * }
-     * </pre>
-     */
-    public interface StringSplitter extends Iterable<String> {
-        public void setString(String string);
-    }
-
-    /**
-     * A simple string splitter.
-     *
-     * <p>If the final character in the string to split is the delimiter then no empty string will
-     * be returned for the empty string after that delimeter. That is, splitting <tt>"a,b,"</tt> on
-     * comma will return <tt>"a", "b"</tt>, not <tt>"a", "b", ""</tt>.
-     */
-    public static class SimpleStringSplitter implements StringSplitter, Iterator<String> {
-        private String mString;
-        private char mDelimiter;
-        private int mPosition;
-        private int mLength;
-
-        /**
-         * Initializes the splitter. setString may be called later.
-         * @param delimiter the delimeter on which to split
-         */
-        public SimpleStringSplitter(char delimiter) {
-            mDelimiter = delimiter;
-        }
-
-        /**
-         * Sets the string to split
-         * @param string the string to split
-         */
-        public void setString(String string) {
-            mString = string;
-            mPosition = 0;
-            mLength = mString.length();
-        }
-
-        public Iterator<String> iterator() {
-            return this;
-        }
-
-        public boolean hasNext() {
-            return mPosition < mLength;
-        }
-
-        public String next() {
-            int end = mString.indexOf(mDelimiter, mPosition);
-            if (end == -1) {
-                end = mLength;
-            }
-            String nextString = mString.substring(mPosition, end);
-            mPosition = end + 1; // Skip the delimiter.
-            return nextString;
-        }
-
-        public void remove() {
-            throw new UnsupportedOperationException();
-        }
-    }
-
-    public static CharSequence stringOrSpannedString(CharSequence source) {
-        if (source == null)
-            return null;
-        if (source instanceof SpannedString)
-            return source;
-        if (source instanceof Spanned)
-            return new SpannedString(source);
-
-        return source.toString();
-    }
-
-    /**
-     * Returns true if the string is null or 0-length.
-     * @param str the string to be examined
-     * @return true if str is null or zero length
-     */
-    public static boolean isEmpty(CharSequence str) {
-        if (str == null || str.length() == 0)
-            return true;
-        else
-            return false;
-    }
-
-    /**
-     * Returns the length that the specified CharSequence would have if
-     * spaces and control characters were trimmed from the start and end,
-     * as by {@link String#trim}.
-     */
-    public static int getTrimmedLength(CharSequence s) {
-        int len = s.length();
-
-        int start = 0;
-        while (start < len && s.charAt(start) <= ' ') {
-            start++;
-        }
-
-        int end = len;
-        while (end > start && s.charAt(end - 1) <= ' ') {
-            end--;
-        }
-
-        return end - start;
-    }
-
-    /**
-     * Returns true if a and b are equal, including if they are both null.
-     * <p><i>Note: In platform versions 1.1 and earlier, this method only worked well if
-     * both the arguments were instances of String.</i></p>
-     * @param a first CharSequence to check
-     * @param b second CharSequence to check
-     * @return true if a and b are equal
-     */
-    public static boolean equals(CharSequence a, CharSequence b) {
-        if (a == b) return true;
-        int length;
-        if (a != null && b != null && (length = a.length()) == b.length()) {
-            if (a instanceof String && b instanceof String) {
-                return a.equals(b);
-            } else {
-                for (int i = 0; i < length; i++) {
-                    if (a.charAt(i) != b.charAt(i)) return false;
-                }
-                return true;
-            }
-        }
-        return false;
-    }
-
-    // XXX currently this only reverses chars, not spans
-    public static CharSequence getReverse(CharSequence source,
-                                          int start, int end) {
-        return new Reverser(source, start, end);
-    }
-
-    private static class Reverser
-    implements CharSequence, GetChars
-    {
-        public Reverser(CharSequence source, int start, int end) {
-            mSource = source;
-            mStart = start;
-            mEnd = end;
-        }
-
-        public int length() {
-            return mEnd - mStart;
-        }
-
-        public CharSequence subSequence(int start, int end) {
-            char[] buf = new char[end - start];
-
-            getChars(start, end, buf, 0);
-            return new String(buf);
-        }
-
-        public String toString() {
-            return subSequence(0, length()).toString();
-        }
-
-        public char charAt(int off) {
-            return AndroidCharacter.getMirror(mSource.charAt(mEnd - 1 - off));
-        }
-
-        public void getChars(int start, int end, char[] dest, int destoff) {
-            TextUtils.getChars(mSource, start + mStart, end + mStart,
-                               dest, destoff);
-            AndroidCharacter.mirror(dest, 0, end - start);
-
-            int len = end - start;
-            int n = (end - start) / 2;
-            for (int i = 0; i < n; i++) {
-                char tmp = dest[destoff + i];
-
-                dest[destoff + i] = dest[destoff + len - i - 1];
-                dest[destoff + len - i - 1] = tmp;
-            }
-        }
-
-        private CharSequence mSource;
-        private int mStart;
-        private int mEnd;
-    }
-
-    /** @hide */
-    public static final int ALIGNMENT_SPAN = 1;
-    /** @hide */
-    public static final int FOREGROUND_COLOR_SPAN = 2;
-    /** @hide */
-    public static final int RELATIVE_SIZE_SPAN = 3;
-    /** @hide */
-    public static final int SCALE_X_SPAN = 4;
-    /** @hide */
-    public static final int STRIKETHROUGH_SPAN = 5;
-    /** @hide */
-    public static final int UNDERLINE_SPAN = 6;
-    /** @hide */
-    public static final int STYLE_SPAN = 7;
-    /** @hide */
-    public static final int BULLET_SPAN = 8;
-    /** @hide */
-    public static final int QUOTE_SPAN = 9;
-    /** @hide */
-    public static final int LEADING_MARGIN_SPAN = 10;
-    /** @hide */
-    public static final int URL_SPAN = 11;
-    /** @hide */
-    public static final int BACKGROUND_COLOR_SPAN = 12;
-    /** @hide */
-    public static final int TYPEFACE_SPAN = 13;
-    /** @hide */
-    public static final int SUPERSCRIPT_SPAN = 14;
-    /** @hide */
-    public static final int SUBSCRIPT_SPAN = 15;
-    /** @hide */
-    public static final int ABSOLUTE_SIZE_SPAN = 16;
-    /** @hide */
-    public static final int TEXT_APPEARANCE_SPAN = 17;
-    /** @hide */
-    public static final int ANNOTATION = 18;
-
-    /**
-     * Flatten a CharSequence and whatever styles can be copied across processes
-     * into the parcel.
-     */
-    public static void writeToParcel(CharSequence cs, Parcel p,
-            int parcelableFlags) {
-        if (cs instanceof Spanned) {
-            p.writeInt(0);
-            p.writeString(cs.toString());
-
-            Spanned sp = (Spanned) cs;
-            Object[] os = sp.getSpans(0, cs.length(), Object.class);
-
-            // note to people adding to this: check more specific types
-            // before more generic types.  also notice that it uses
-            // "if" instead of "else if" where there are interfaces
-            // so one object can be several.
-
-            for (int i = 0; i < os.length; i++) {
-                Object o = os[i];
-                Object prop = os[i];
-
-                if (prop instanceof CharacterStyle) {
-                    prop = ((CharacterStyle) prop).getUnderlying();
-                }
-
-                if (prop instanceof ParcelableSpan) {
-                    ParcelableSpan ps = (ParcelableSpan)prop;
-                    p.writeInt(ps.getSpanTypeId());
-                    ps.writeToParcel(p, parcelableFlags);
-                    writeWhere(p, sp, o);
-                }
-            }
-
-            p.writeInt(0);
-        } else {
-            p.writeInt(1);
-            if (cs != null) {
-                p.writeString(cs.toString());
-            } else {
-                p.writeString(null);
-            }
-        }
-    }
-
-    private static void writeWhere(Parcel p, Spanned sp, Object o) {
-        p.writeInt(sp.getSpanStart(o));
-        p.writeInt(sp.getSpanEnd(o));
-        p.writeInt(sp.getSpanFlags(o));
-    }
-
-    public static final Parcelable.Creator<CharSequence> CHAR_SEQUENCE_CREATOR
-            = new Parcelable.Creator<CharSequence>() {
-        /**
-         * Read and return a new CharSequence, possibly with styles,
-         * from the parcel.
-         */
-        public  CharSequence createFromParcel(Parcel p) {
-            int kind = p.readInt();
-
-            if (kind == 1)
-                return p.readString();
-
-            SpannableString sp = new SpannableString(p.readString());
-
-            while (true) {
-                kind = p.readInt();
-
-                if (kind == 0)
-                    break;
-
-                switch (kind) {
-                case ALIGNMENT_SPAN:
-                    readSpan(p, sp, new AlignmentSpan.Standard(p));
-                    break;
-
-                case FOREGROUND_COLOR_SPAN:
-                    readSpan(p, sp, new ForegroundColorSpan(p));
-                    break;
-
-                case RELATIVE_SIZE_SPAN:
-                    readSpan(p, sp, new RelativeSizeSpan(p));
-                    break;
-
-                case SCALE_X_SPAN:
-                    readSpan(p, sp, new ScaleXSpan(p));
-                    break;
-
-                case STRIKETHROUGH_SPAN:
-                    readSpan(p, sp, new StrikethroughSpan(p));
-                    break;
-
-                case UNDERLINE_SPAN:
-                    readSpan(p, sp, new UnderlineSpan(p));
-                    break;
-
-                case STYLE_SPAN:
-                    readSpan(p, sp, new StyleSpan(p));
-                    break;
-
-                case BULLET_SPAN:
-                    readSpan(p, sp, new BulletSpan(p));
-                    break;
-
-                case QUOTE_SPAN:
-                    readSpan(p, sp, new QuoteSpan(p));
-                    break;
-
-                case LEADING_MARGIN_SPAN:
-                    readSpan(p, sp, new LeadingMarginSpan.Standard(p));
-                break;
-
-                case URL_SPAN:
-                    readSpan(p, sp, new URLSpan(p));
-                    break;
-
-                case BACKGROUND_COLOR_SPAN:
-                    readSpan(p, sp, new BackgroundColorSpan(p));
-                    break;
-
-                case TYPEFACE_SPAN:
-                    readSpan(p, sp, new TypefaceSpan(p));
-                    break;
-
-                case SUPERSCRIPT_SPAN:
-                    readSpan(p, sp, new SuperscriptSpan(p));
-                    break;
-
-                case SUBSCRIPT_SPAN:
-                    readSpan(p, sp, new SubscriptSpan(p));
-                    break;
-
-                case ABSOLUTE_SIZE_SPAN:
-                    readSpan(p, sp, new AbsoluteSizeSpan(p));
-                    break;
-
-                case TEXT_APPEARANCE_SPAN:
-                    readSpan(p, sp, new TextAppearanceSpan(p));
-                    break;
-
-                case ANNOTATION:
-                    readSpan(p, sp, new Annotation(p));
-                    break;
-
-                default:
-                    throw new RuntimeException("bogus span encoding " + kind);
-                }
-            }
-
-            return sp;
-        }
-
-        public CharSequence[] newArray(int size)
-        {
-            return new CharSequence[size];
-        }
-    };
-
-    /**
-     * Debugging tool to print the spans in a CharSequence.  The output will
-     * be printed one span per line.  If the CharSequence is not a Spanned,
-     * then the entire string will be printed on a single line.
-     */
-    public static void dumpSpans(CharSequence cs, Printer printer, String prefix) {
-        if (cs instanceof Spanned) {
-            Spanned sp = (Spanned) cs;
-            Object[] os = sp.getSpans(0, cs.length(), Object.class);
-
-            for (int i = 0; i < os.length; i++) {
-                Object o = os[i];
-                printer.println(prefix + cs.subSequence(sp.getSpanStart(o),
-                        sp.getSpanEnd(o)) + ": "
-                        + Integer.toHexString(System.identityHashCode(o))
-                        + " " + o.getClass().getCanonicalName()
-                         + " (" + sp.getSpanStart(o) + "-" + sp.getSpanEnd(o)
-                         + ") fl=#" + sp.getSpanFlags(o));
-            }
-        } else {
-            printer.println(prefix + cs + ": (no spans)");
-        }
-    }
-
-    /**
-     * Return a new CharSequence in which each of the source strings is
-     * replaced by the corresponding element of the destinations.
-     */
-    public static CharSequence replace(CharSequence template,
-                                       String[] sources,
-                                       CharSequence[] destinations) {
-        SpannableStringBuilder tb = new SpannableStringBuilder(template);
-
-        for (int i = 0; i < sources.length; i++) {
-            int where = indexOf(tb, sources[i]);
-
-            if (where >= 0)
-                tb.setSpan(sources[i], where, where + sources[i].length(),
-                           Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-        }
-
-        for (int i = 0; i < sources.length; i++) {
-            int start = tb.getSpanStart(sources[i]);
-            int end = tb.getSpanEnd(sources[i]);
-
-            if (start >= 0) {
-                tb.replace(start, end, destinations[i]);
-            }
-        }
-
-        return tb;
-    }
-
-    /**
-     * Replace instances of "^1", "^2", etc. in the
-     * <code>template</code> CharSequence with the corresponding
-     * <code>values</code>.  "^^" is used to produce a single caret in
-     * the output.  Only up to 9 replacement values are supported,
-     * "^10" will be produce the first replacement value followed by a
-     * '0'.
-     *
-     * @param template the input text containing "^1"-style
-     * placeholder values.  This object is not modified; a copy is
-     * returned.
-     *
-     * @param values CharSequences substituted into the template.  The
-     * first is substituted for "^1", the second for "^2", and so on.
-     *
-     * @return the new CharSequence produced by doing the replacement
-     *
-     * @throws IllegalArgumentException if the template requests a
-     * value that was not provided, or if more than 9 values are
-     * provided.
-     */
-    public static CharSequence expandTemplate(CharSequence template,
-                                              CharSequence... values) {
-        if (values.length > 9) {
-            throw new IllegalArgumentException("max of 9 values are supported");
-        }
-
-        SpannableStringBuilder ssb = new SpannableStringBuilder(template);
-
-        try {
-            int i = 0;
-            while (i < ssb.length()) {
-                if (ssb.charAt(i) == '^') {
-                    char next = ssb.charAt(i+1);
-                    if (next == '^') {
-                        ssb.delete(i+1, i+2);
-                        ++i;
-                        continue;
-                    } else if (Character.isDigit(next)) {
-                        int which = Character.getNumericValue(next) - 1;
-                        if (which < 0) {
-                            throw new IllegalArgumentException(
-                                "template requests value ^" + (which+1));
-                        }
-                        if (which >= values.length) {
-                            throw new IllegalArgumentException(
-                                "template requests value ^" + (which+1) +
-                                "; only " + values.length + " provided");
-                        }
-                        ssb.replace(i, i+2, values[which]);
-                        i += values[which].length();
-                        continue;
-                    }
-                }
-                ++i;
-            }
-        } catch (IndexOutOfBoundsException ignore) {
-            // happens when ^ is the last character in the string.
-        }
-        return ssb;
-    }
-
-    public static int getOffsetBefore(CharSequence text, int offset) {
-        if (offset == 0)
-            return 0;
-        if (offset == 1)
-            return 0;
-
-        char c = text.charAt(offset - 1);
-
-        if (c >= '\uDC00' && c <= '\uDFFF') {
-            char c1 = text.charAt(offset - 2);
-
-            if (c1 >= '\uD800' && c1 <= '\uDBFF')
-                offset -= 2;
-            else
-                offset -= 1;
-        } else {
-            offset -= 1;
-        }
-
-        if (text instanceof Spanned) {
-            ReplacementSpan[] spans = ((Spanned) text).getSpans(offset, offset,
-                                                       ReplacementSpan.class);
-
-            for (int i = 0; i < spans.length; i++) {
-                int start = ((Spanned) text).getSpanStart(spans[i]);
-                int end = ((Spanned) text).getSpanEnd(spans[i]);
-
-                if (start < offset && end > offset)
-                    offset = start;
-            }
-        }
-
-        return offset;
-    }
-
-    public static int getOffsetAfter(CharSequence text, int offset) {
-        int len = text.length();
-
-        if (offset == len)
-            return len;
-        if (offset == len - 1)
-            return len;
-
-        char c = text.charAt(offset);
-
-        if (c >= '\uD800' && c <= '\uDBFF') {
-            char c1 = text.charAt(offset + 1);
-
-            if (c1 >= '\uDC00' && c1 <= '\uDFFF')
-                offset += 2;
-            else
-                offset += 1;
-        } else {
-            offset += 1;
-        }
-
-        if (text instanceof Spanned) {
-            ReplacementSpan[] spans = ((Spanned) text).getSpans(offset, offset,
-                                                       ReplacementSpan.class);
-
-            for (int i = 0; i < spans.length; i++) {
-                int start = ((Spanned) text).getSpanStart(spans[i]);
-                int end = ((Spanned) text).getSpanEnd(spans[i]);
-
-                if (start < offset && end > offset)
-                    offset = end;
-            }
-        }
-
-        return offset;
-    }
-
-    private static void readSpan(Parcel p, Spannable sp, Object o) {
-        sp.setSpan(o, p.readInt(), p.readInt(), p.readInt());
-    }
-
-    public static void copySpansFrom(Spanned source, int start, int end,
-                                     Class kind,
-                                     Spannable dest, int destoff) {
-        if (kind == null) {
-            kind = Object.class;
-        }
-
-        Object[] spans = source.getSpans(start, end, kind);
-
-        for (int i = 0; i < spans.length; i++) {
-            int st = source.getSpanStart(spans[i]);
-            int en = source.getSpanEnd(spans[i]);
-            int fl = source.getSpanFlags(spans[i]);
-
-            if (st < start)
-                st = start;
-            if (en > end)
-                en = end;
-
-            dest.setSpan(spans[i], st - start + destoff, en - start + destoff,
-                         fl);
-        }
-    }
-
-    public enum TruncateAt {
-        START,
-        MIDDLE,
-        END,
-        MARQUEE,
-    }
-
-    public interface EllipsizeCallback {
-        /**
-         * This method is called to report that the specified region of
-         * text was ellipsized away by a call to {@link #ellipsize}.
-         */
-        public void ellipsized(int start, int end);
-    }
-
-    private static String sEllipsis = null;
-
-    /**
-     * Returns the original text if it fits in the specified width
-     * given the properties of the specified Paint,
-     * or, if it does not fit, a truncated
-     * copy with ellipsis character added at the specified edge or center.
-     */
-    public static CharSequence ellipsize(CharSequence text,
-                                         TextPaint p,
-                                         float avail, TruncateAt where) {
-        return ellipsize(text, p, avail, where, false, null);
-    }
-
-    /**
-     * Returns the original text if it fits in the specified width
-     * given the properties of the specified Paint,
-     * or, if it does not fit, a copy with ellipsis character added 
-     * at the specified edge or center.
-     * If <code>preserveLength</code> is specified, the returned copy
-     * will be padded with zero-width spaces to preserve the original
-     * length and offsets instead of truncating.
-     * If <code>callback</code> is non-null, it will be called to
-     * report the start and end of the ellipsized range.
-     */
-    public static CharSequence ellipsize(CharSequence text,
-                                         TextPaint p,
-                                         float avail, TruncateAt where,
-                                         boolean preserveLength,
-                                         EllipsizeCallback callback) {
-        if (sEllipsis == null) {
-            Resources r = Resources.getSystem();
-            sEllipsis = r.getString(R.string.ellipsis);
-        }
-
-        int len = text.length();
-
-        // Use Paint.breakText() for the non-Spanned case to avoid having
-        // to allocate memory and accumulate the character widths ourselves.
-
-        if (!(text instanceof Spanned)) {
-            float wid = p.measureText(text, 0, len);
-
-            if (wid <= avail) {
-                if (callback != null) {
-                    callback.ellipsized(0, 0);
-                }
-
-                return text;
-            }
-
-            float ellipsiswid = p.measureText(sEllipsis);
-
-            if (ellipsiswid > avail) {
-                if (callback != null) {
-                    callback.ellipsized(0, len);
-                }
-
-                if (preserveLength) {
-                    char[] buf = obtain(len);
-                    for (int i = 0; i < len; i++) {
-                        buf[i] = '\uFEFF';
-                    }
-                    String ret = new String(buf, 0, len);
-                    recycle(buf);
-                    return ret;
-                } else {
-                    return "";
-                }
-            }
-
-            if (where == TruncateAt.START) {
-                int fit = p.breakText(text, 0, len, false,
-                                      avail - ellipsiswid, null);
-
-                if (callback != null) {
-                    callback.ellipsized(0, len - fit);
-                }
-
-                if (preserveLength) {
-                    return blank(text, 0, len - fit);
-                } else {
-                    return sEllipsis + text.toString().substring(len - fit, len);
-                }
-            } else if (where == TruncateAt.END) {
-                int fit = p.breakText(text, 0, len, true,
-                                      avail - ellipsiswid, null);
-
-                if (callback != null) {
-                    callback.ellipsized(fit, len);
-                }
-
-                if (preserveLength) {
-                    return blank(text, fit, len);
-                } else {
-                    return text.toString().substring(0, fit) + sEllipsis;
-                } 
-            } else /* where == TruncateAt.MIDDLE */ {
-                int right = p.breakText(text, 0, len, false,
-                                        (avail - ellipsiswid) / 2, null);
-                float used = p.measureText(text, len - right, len);
-                int left = p.breakText(text, 0, len - right, true,
-                                       avail - ellipsiswid - used, null);
-
-                if (callback != null) {
-                    callback.ellipsized(left, len - right);
-                }
-
-                if (preserveLength) {
-                    return blank(text, left, len - right);
-                } else {
-                    String s = text.toString();
-                    return s.substring(0, left) + sEllipsis +
-                           s.substring(len - right, len);
-                }
-            }
-        }
-
-        // But do the Spanned cases by hand, because it's such a pain
-        // to iterate the span transitions backwards and getTextWidths()
-        // will give us the information we need.
-
-        // getTextWidths() always writes into the start of the array,
-        // so measure each span into the first half and then copy the
-        // results into the second half to use later.
-
-        float[] wid = new float[len * 2];
-        TextPaint temppaint = new TextPaint();
-        Spanned sp = (Spanned) text;
-
-        int next;
-        for (int i = 0; i < len; i = next) {
-            next = sp.nextSpanTransition(i, len, MetricAffectingSpan.class);
-
-            Styled.getTextWidths(p, temppaint, sp, i, next, wid, null);
-            System.arraycopy(wid, 0, wid, len + i, next - i);
-        }
-
-        float sum = 0;
-        for (int i = 0; i < len; i++) {
-            sum += wid[len + i];
-        }
-
-        if (sum <= avail) {
-            if (callback != null) {
-                callback.ellipsized(0, 0);
-            }
-
-            return text;
-        }
-
-        float ellipsiswid = p.measureText(sEllipsis);
-
-        if (ellipsiswid > avail) {
-            if (callback != null) {
-                callback.ellipsized(0, len);
-            }
-
-            if (preserveLength) {
-                char[] buf = obtain(len);
-                for (int i = 0; i < len; i++) {
-                    buf[i] = '\uFEFF';
-                }
-                SpannableString ss = new SpannableString(new String(buf, 0, len));
-                recycle(buf);
-                copySpansFrom(sp, 0, len, Object.class, ss, 0);
-                return ss;
-            } else {
-                return "";
-            }
-        }
-
-        if (where == TruncateAt.START) {
-            sum = 0;
-            int i;
-
-            for (i = len; i >= 0; i--) {
-                float w = wid[len + i - 1];
-
-                if (w + sum + ellipsiswid > avail) {
-                    break;
-                }
-
-                sum += w;
-            }
-
-            if (callback != null) {
-                callback.ellipsized(0, i);
-            }
-
-            if (preserveLength) {
-                SpannableString ss = new SpannableString(blank(text, 0, i));
-                copySpansFrom(sp, 0, len, Object.class, ss, 0);
-                return ss;
-            } else {
-                SpannableStringBuilder out = new SpannableStringBuilder(sEllipsis);
-                out.insert(1, text, i, len);
-
-                return out;
-            }
-        } else if (where == TruncateAt.END) {
-            sum = 0;
-            int i;
-
-            for (i = 0; i < len; i++) {
-                float w = wid[len + i];
-
-                if (w + sum + ellipsiswid > avail) {
-                    break;
-                }
-
-                sum += w;
-            }
-
-            if (callback != null) {
-                callback.ellipsized(i, len);
-            }
-
-            if (preserveLength) {
-                SpannableString ss = new SpannableString(blank(text, i, len));
-                copySpansFrom(sp, 0, len, Object.class, ss, 0);
-                return ss;
-            } else {
-                SpannableStringBuilder out = new SpannableStringBuilder(sEllipsis);
-                out.insert(0, text, 0, i);
-
-                return out;
-            }
-        } else /* where = TruncateAt.MIDDLE */ {
-            float lsum = 0, rsum = 0;
-            int left = 0, right = len;
-
-            float ravail = (avail - ellipsiswid) / 2;
-            for (right = len; right >= 0; right--) {
-                float w = wid[len + right - 1];
-
-                if (w + rsum > ravail) {
-                    break;
-                }
-
-                rsum += w;
-            }
-
-            float lavail = avail - ellipsiswid - rsum;
-            for (left = 0; left < right; left++) {
-                float w = wid[len + left];
-
-                if (w + lsum > lavail) {
-                    break;
-                }
-
-                lsum += w;
-            }
-
-            if (callback != null) {
-                callback.ellipsized(left, right);
-            }
-
-            if (preserveLength) {
-                SpannableString ss = new SpannableString(blank(text, left, right));
-                copySpansFrom(sp, 0, len, Object.class, ss, 0);
-                return ss;
-            } else {
-                SpannableStringBuilder out = new SpannableStringBuilder(sEllipsis);
-                out.insert(0, text, 0, left);
-                out.insert(out.length(), text, right, len);
-
-                return out;
-            }
-        }
-    }
-
-    private static String blank(CharSequence source, int start, int end) {
-        int len = source.length();
-        char[] buf = obtain(len);
-
-        if (start != 0) {
-            getChars(source, 0, start, buf, 0);
-        }
-        if (end != len) {
-            getChars(source, end, len, buf, end);
-        }
-
-        if (start != end) {
-            buf[start] = '\u2026';
-
-            for (int i = start + 1; i < end; i++) {
-                buf[i] = '\uFEFF';
-            }
-        }
-    
-        String ret = new String(buf, 0, len);
-        recycle(buf);
-
-        return ret;
-    }
-
-    /**
-     * Converts a CharSequence of the comma-separated form "Andy, Bob,
-     * Charles, David" that is too wide to fit into the specified width
-     * into one like "Andy, Bob, 2 more".
-     *
-     * @param text the text to truncate
-     * @param p the Paint with which to measure the text
-     * @param avail the horizontal width available for the text
-     * @param oneMore the string for "1 more" in the current locale
-     * @param more the string for "%d more" in the current locale
-     */
-    public static CharSequence commaEllipsize(CharSequence text,
-                                              TextPaint p, float avail,
-                                              String oneMore,
-                                              String more) {
-        int len = text.length();
-        char[] buf = new char[len];
-        TextUtils.getChars(text, 0, len, buf, 0);
-
-        int commaCount = 0;
-        for (int i = 0; i < len; i++) {
-            if (buf[i] == ',') {
-                commaCount++;
-            }
-        }
-
-        float[] wid;
-
-        if (text instanceof Spanned) {
-            Spanned sp = (Spanned) text;
-            TextPaint temppaint = new TextPaint();
-            wid = new float[len * 2];
-
-            int next;
-            for (int i = 0; i < len; i = next) {
-                next = sp.nextSpanTransition(i, len, MetricAffectingSpan.class);
-
-                Styled.getTextWidths(p, temppaint, sp, i, next, wid, null);
-                System.arraycopy(wid, 0, wid, len + i, next - i);
-            }
-
-            System.arraycopy(wid, len, wid, 0, len);
-        } else {
-            wid = new float[len];
-            p.getTextWidths(text, 0, len, wid);
-        }
-
-        int ok = 0;
-        int okRemaining = commaCount + 1;
-        String okFormat = "";
-
-        int w = 0;
-        int count = 0;
-
-        for (int i = 0; i < len; i++) {
-            w += wid[i];
-
-            if (buf[i] == ',') {
-                count++;
-
-                int remaining = commaCount - count + 1;
-                float moreWid;
-                String format;
-
-                if (remaining == 1) {
-                    format = " " + oneMore;
-                } else {
-                    format = " " + String.format(more, remaining);
-                }
-
-                moreWid = p.measureText(format);
-
-                if (w + moreWid <= avail) {
-                    ok = i + 1;
-                    okRemaining = remaining;
-                    okFormat = format;
-                }
-            }
-        }
-
-        if (w <= avail) {
-            return text;
-        } else {
-            SpannableStringBuilder out = new SpannableStringBuilder(okFormat);
-            out.insert(0, text, 0, ok);
-            return out;
-        }
-    }
-
-    /* package */ static char[] obtain(int len) {
-        char[] buf;
-
-        synchronized (sLock) {
-            buf = sTemp;
-            sTemp = null;
-        }
-
-        if (buf == null || buf.length < len)
-            buf = new char[ArrayUtils.idealCharArraySize(len)];
-
-        return buf;
-    }
-
-    /* package */ static void recycle(char[] temp) {
-        if (temp.length > 1000)
-            return;
-
-        synchronized (sLock) {
-            sTemp = temp;
-        }
-    }
-
-    /**
-     * Html-encode the string.
-     * @param s the string to be encoded
-     * @return the encoded string
-     */
-    public static String htmlEncode(String s) {
-        StringBuilder sb = new StringBuilder();
-        char c;
-        for (int i = 0; i < s.length(); i++) {
-            c = s.charAt(i);
-            switch (c) {
-            case '<':
-                sb.append("&lt;"); //$NON-NLS-1$
-                break;
-            case '>':
-                sb.append("&gt;"); //$NON-NLS-1$
-                break;
-            case '&':
-                sb.append("&amp;"); //$NON-NLS-1$
-                break;
-            case '\'':
-                sb.append("&apos;"); //$NON-NLS-1$
-                break;
-            case '"':
-                sb.append("&quot;"); //$NON-NLS-1$
-                break;
-            default:
-                sb.append(c);
-            }
-        }
-        return sb.toString();
-    }
-
-    /**
-     * Returns a CharSequence concatenating the specified CharSequences,
-     * retaining their spans if any.
-     */
-    public static CharSequence concat(CharSequence... text) {
-        if (text.length == 0) {
-            return "";
-        }
-
-        if (text.length == 1) {
-            return text[0];
-        }
-
-        boolean spanned = false;
-        for (int i = 0; i < text.length; i++) {
-            if (text[i] instanceof Spanned) {
-                spanned = true;
-                break;
-            }
-        }
-
-        StringBuilder sb = new StringBuilder();
-        for (int i = 0; i < text.length; i++) {
-            sb.append(text[i]);
-        }
-
-        if (!spanned) {
-            return sb.toString();
-        }
-
-        SpannableString ss = new SpannableString(sb);
-        int off = 0;
-        for (int i = 0; i < text.length; i++) {
-            int len = text[i].length();
-
-            if (text[i] instanceof Spanned) {
-                copySpansFrom((Spanned) text[i], 0, len, Object.class, ss, off);
-            }
-
-            off += len;
-        }
-
-        return new SpannedString(ss);
-    }
-
-    /**
-     * Returns whether the given CharSequence contains any printable characters.
-     */
-    public static boolean isGraphic(CharSequence str) {
-        final int len = str.length();
-        for (int i=0; i<len; i++) {
-            int gc = Character.getType(str.charAt(i));
-            if (gc != Character.CONTROL
-                    && gc != Character.FORMAT
-                    && gc != Character.SURROGATE
-                    && gc != Character.UNASSIGNED
-                    && gc != Character.LINE_SEPARATOR
-                    && gc != Character.PARAGRAPH_SEPARATOR
-                    && gc != Character.SPACE_SEPARATOR) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Returns whether this character is a printable character.
-     */
-    public static boolean isGraphic(char c) {
-        int gc = Character.getType(c);
-        return     gc != Character.CONTROL
-                && gc != Character.FORMAT
-                && gc != Character.SURROGATE
-                && gc != Character.UNASSIGNED
-                && gc != Character.LINE_SEPARATOR
-                && gc != Character.PARAGRAPH_SEPARATOR
-                && gc != Character.SPACE_SEPARATOR;
-    }
-
-    /**
-     * Returns whether the given CharSequence contains only digits.
-     */
-    public static boolean isDigitsOnly(CharSequence str) {
-        final int len = str.length();
-        for (int i = 0; i < len; i++) {
-            if (!Character.isDigit(str.charAt(i))) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
-     * Capitalization mode for {@link #getCapsMode}: capitalize all
-     * characters.  This value is explicitly defined to be the same as
-     * {@link InputType#TYPE_TEXT_FLAG_CAP_CHARACTERS}.
-     */
-    public static final int CAP_MODE_CHARACTERS
-            = InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS;
-    
-    /**
-     * Capitalization mode for {@link #getCapsMode}: capitalize the first
-     * character of all words.  This value is explicitly defined to be the same as
-     * {@link InputType#TYPE_TEXT_FLAG_CAP_WORDS}.
-     */
-    public static final int CAP_MODE_WORDS
-            = InputType.TYPE_TEXT_FLAG_CAP_WORDS;
-    
-    /**
-     * Capitalization mode for {@link #getCapsMode}: capitalize the first
-     * character of each sentence.  This value is explicitly defined to be the same as
-     * {@link InputType#TYPE_TEXT_FLAG_CAP_SENTENCES}.
-     */
-    public static final int CAP_MODE_SENTENCES
-            = InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
-    
-    /**
-     * Determine what caps mode should be in effect at the current offset in
-     * the text.  Only the mode bits set in <var>reqModes</var> will be
-     * checked.  Note that the caps mode flags here are explicitly defined
-     * to match those in {@link InputType}.
-     * 
-     * @param cs The text that should be checked for caps modes.
-     * @param off Location in the text at which to check.
-     * @param reqModes The modes to be checked: may be any combination of
-     * {@link #CAP_MODE_CHARACTERS}, {@link #CAP_MODE_WORDS}, and
-     * {@link #CAP_MODE_SENTENCES}.
-     * 
-     * @return Returns the actual capitalization modes that can be in effect
-     * at the current position, which is any combination of
-     * {@link #CAP_MODE_CHARACTERS}, {@link #CAP_MODE_WORDS}, and
-     * {@link #CAP_MODE_SENTENCES}.
-     */
-    public static int getCapsMode(CharSequence cs, int off, int reqModes) {
-        int i;
-        char c;
-        int mode = 0;
-
-        if ((reqModes&CAP_MODE_CHARACTERS) != 0) {
-            mode |= CAP_MODE_CHARACTERS;
-        }
-        if ((reqModes&(CAP_MODE_WORDS|CAP_MODE_SENTENCES)) == 0) {
-            return mode;
-        }
-
-        // Back over allowed opening punctuation.
-
-        for (i = off; i > 0; i--) {
-            c = cs.charAt(i - 1);
-
-            if (c != '"' && c != '\'' &&
-                Character.getType(c) != Character.START_PUNCTUATION) {
-                break;
-            }
-        }
-
-        // Start of paragraph, with optional whitespace.
-
-        int j = i;
-        while (j > 0 && ((c = cs.charAt(j - 1)) == ' ' || c == '\t')) {
-            j--;
-        }
-        if (j == 0 || cs.charAt(j - 1) == '\n') {
-            return mode | CAP_MODE_WORDS;
-        }
-
-        // Or start of word if we are that style.
-
-        if ((reqModes&CAP_MODE_SENTENCES) == 0) {
-            if (i != j) mode |= CAP_MODE_WORDS;
-            return mode;
-        }
-
-        // There must be a space if not the start of paragraph.
-
-        if (i == j) {
-            return mode;
-        }
-
-        // Back over allowed closing punctuation.
-
-        for (; j > 0; j--) {
-            c = cs.charAt(j - 1);
-
-            if (c != '"' && c != '\'' &&
-                Character.getType(c) != Character.END_PUNCTUATION) {
-                break;
-            }
-        }
-
-        if (j > 0) {
-            c = cs.charAt(j - 1);
-
-            if (c == '.' || c == '?' || c == '!') {
-                // Do not capitalize if the word ends with a period but
-                // also contains a period, in which case it is an abbreviation.
-
-                if (c == '.') {
-                    for (int k = j - 2; k >= 0; k--) {
-                        c = cs.charAt(k);
-
-                        if (c == '.') {
-                            return mode;
-                        }
-
-                        if (!Character.isLetter(c)) {
-                            break;
-                        }
-                    }
-                }
-
-                return mode | CAP_MODE_SENTENCES;
-            }
-        }
-
-        return mode;
-    }
-    
-    private static Object sLock = new Object();
-    private static char[] sTemp = null;
-}