Merge "Filter out of spellchecking words that don't look like words"

            mLocale = LocaleUtils.constructLocaleFromString(localeString);

        }

        /**

         * Finds out whether a particular string should be filtered out of spell checking.

         *

         * This will loosely match URLs, numbers, symbols.

         *

         * @param text the string to evaluate.

         * @return true if we should filter this text out, false otherwise

         */

        private boolean shouldFilterOut(final String text) {

            if (TextUtils.isEmpty(text) || text.length() <= 1) return true;

            // TODO: check if an equivalent processing can't be done more quickly with a

            // compiled regexp.

            // Filter by first letter

            final int firstCodePoint = text.codePointAt(0);

            // Filter out words that don't start with a letter or an apostrophe

            if (!Character.isLetter(firstCodePoint)

                    && '\'' != firstCodePoint) return true;

            // Filter contents

            final int length = text.length();

            int letterCount = 0;

            for (int i = 0; i < length; ++i) {

                final int codePoint = text.codePointAt(i);

                // Any word containing a '@' is probably an e-mail address

                // Any word containing a '/' is probably either an ad-hoc combination of two

                // words or a URI - in either case we don't want to spell check that

                if ('@' == codePoint

                        || '/' == codePoint) return true;

                if (Character.isLetter(codePoint)) ++letterCount;

            }

            // Guestimate heuristic: perform spell checking if at least 3/4 of the characters

            // in this word are letters

            return (letterCount * 4 < length * 3);

        }

        // Note : this must be reentrant

        /**

         * Gets a list of suggestions for a specific string. This returns a list of possible

                final int suggestionsLimit) {

            final String text = textInfo.getText();

            if (TextUtils.isEmpty(text) || text.length() <= 1) return EMPTY_SUGGESTIONS_INFO;

            if (shouldFilterOut(text)) return EMPTY_SUGGESTIONS_INFO;

            final SuggestionsGatherer suggestionsGatherer =

                    new SuggestionsGatherer(suggestionsLimit);