Merge "Move a generic string utility to StringUtils"

main
Jean Chalard 2013-04-05 06:39:26 +00:00 committed by Android (Google) Code Review
commit e9f69e1661
3 changed files with 36 additions and 36 deletions

View File

@ -22,6 +22,10 @@ import java.util.ArrayList;
import java.util.Locale; import java.util.Locale;
public final class StringUtils { public final class StringUtils {
public static final int CAPITALIZE_NONE = 0; // No caps, or mixed case
public static final int CAPITALIZE_FIRST = 1; // First only
public static final int CAPITALIZE_ALL = 2; // All caps
private StringUtils() { private StringUtils() {
// This utility class is not publicly instantiable. // This utility class is not publicly instantiable.
} }
@ -171,4 +175,31 @@ public final class StringUtils {
} }
return list.toArray(new String[list.size()]); return list.toArray(new String[list.size()]);
} }
// This method assumes the text is not empty or null.
public static int getCapitalizationType(final String text) {
// If the first char is not uppercase, then the word is either all lower case or
// camel case, and in either case we return CAPITALIZE_NONE.
if (!Character.isUpperCase(text.codePointAt(0))) return CAPITALIZE_NONE;
final int len = text.length();
int capsCount = 1;
int letterCount = 1;
for (int i = 1; i < len; i = text.offsetByCodePoints(i, 1)) {
if (1 != capsCount && letterCount != capsCount) break;
final int codePoint = text.codePointAt(i);
if (Character.isUpperCase(codePoint)) {
++capsCount;
++letterCount;
} else if (Character.isLetter(codePoint)) {
// We need to discount non-letters since they may not be upper-case, but may
// still be part of a word (e.g. single quote or dash, as in "IT'S" or "FULL-TIME")
++letterCount;
}
}
// We know the first char is upper case. So we want to test if either every letter other
// than the first is lower case, or if they are all upper case. If the string is exactly
// one char long, then we will arrive here with letterCount 1, and this is correct, too.
if (1 == capsCount) return CAPITALIZE_FIRST;
return (letterCount == capsCount ? CAPITALIZE_ALL : CAPITALIZE_NONE);
}
} }

View File

@ -58,10 +58,6 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
public static final String PREF_USE_CONTACTS_KEY = "pref_spellcheck_use_contacts"; public static final String PREF_USE_CONTACTS_KEY = "pref_spellcheck_use_contacts";
public static final int CAPITALIZE_NONE = 0; // No caps, or mixed case
public static final int CAPITALIZE_FIRST = 1; // First only
public static final int CAPITALIZE_ALL = 2; // All caps
private final static String[] EMPTY_STRING_ARRAY = new String[0]; private final static String[] EMPTY_STRING_ARRAY = new String[0];
private Map<String, DictionaryPool> mDictionaryPools = CollectionUtils.newSynchronizedTreeMap(); private Map<String, DictionaryPool> mDictionaryPools = CollectionUtils.newSynchronizedTreeMap();
private Map<String, UserBinaryDictionary> mUserDictionaries = private Map<String, UserBinaryDictionary> mUserDictionaries =
@ -325,13 +321,13 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
} }
Collections.reverse(mSuggestions); Collections.reverse(mSuggestions);
StringUtils.removeDupes(mSuggestions); StringUtils.removeDupes(mSuggestions);
if (CAPITALIZE_ALL == capitalizeType) { if (StringUtils.CAPITALIZE_ALL == capitalizeType) {
for (int i = 0; i < mSuggestions.size(); ++i) { for (int i = 0; i < mSuggestions.size(); ++i) {
// get(i) returns a CharSequence which is actually a String so .toString() // get(i) returns a CharSequence which is actually a String so .toString()
// should return the same object. // should return the same object.
mSuggestions.set(i, mSuggestions.get(i).toString().toUpperCase(locale)); mSuggestions.set(i, mSuggestions.get(i).toString().toUpperCase(locale));
} }
} else if (CAPITALIZE_FIRST == capitalizeType) { } else if (StringUtils.CAPITALIZE_FIRST == capitalizeType) {
for (int i = 0; i < mSuggestions.size(); ++i) { for (int i = 0; i < mSuggestions.size(); ++i) {
// Likewise // Likewise
mSuggestions.set(i, StringUtils.toTitleCase( mSuggestions.set(i, StringUtils.toTitleCase(
@ -438,31 +434,4 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
} }
return new DictAndProximity(dictionaryCollection, proximityInfo); return new DictAndProximity(dictionaryCollection, proximityInfo);
} }
// This method assumes the text is not empty or null.
public static int getCapitalizationType(String text) {
// If the first char is not uppercase, then the word is either all lower case,
// and in either case we return CAPITALIZE_NONE.
if (!Character.isUpperCase(text.codePointAt(0))) return CAPITALIZE_NONE;
final int len = text.length();
int capsCount = 1;
int letterCount = 1;
for (int i = 1; i < len; i = text.offsetByCodePoints(i, 1)) {
if (1 != capsCount && letterCount != capsCount) break;
final int codePoint = text.codePointAt(i);
if (Character.isUpperCase(codePoint)) {
++capsCount;
++letterCount;
} else if (Character.isLetter(codePoint)) {
// We need to discount non-letters since they may not be upper-case, but may
// still be part of a word (e.g. single quote or dash, as in "IT'S" or "FULL-TIME")
++letterCount;
}
}
// We know the first char is upper case. So we want to test if either every letter other
// than the first is lower case, or if they are all upper case. If the string is exactly
// one char long, then we will arrive here with letterCount 1, and this is correct, too.
if (1 == capsCount) return CAPITALIZE_FIRST;
return (letterCount == capsCount ? CAPITALIZE_ALL : CAPITALIZE_NONE);
}
} }

View File

@ -214,14 +214,14 @@ public abstract class AndroidWordLevelSpellCheckerSession extends Session {
// If the word is in there as is, then it's in the dictionary. If not, we'll test lower // If the word is in there as is, then it's in the dictionary. If not, we'll test lower
// case versions, but only if the word is not already all-lower case or mixed case. // case versions, but only if the word is not already all-lower case or mixed case.
if (dict.isValidWord(text)) return true; if (dict.isValidWord(text)) return true;
if (AndroidSpellCheckerService.CAPITALIZE_NONE == capitalizeType) return false; if (StringUtils.CAPITALIZE_NONE == capitalizeType) return false;
// If we come here, we have a capitalized word (either First- or All-). // If we come here, we have a capitalized word (either First- or All-).
// Downcase the word and look it up again. If the word is only capitalized, we // Downcase the word and look it up again. If the word is only capitalized, we
// tested all possibilities, so if it's still negative we can return false. // tested all possibilities, so if it's still negative we can return false.
final String lowerCaseText = text.toLowerCase(mLocale); final String lowerCaseText = text.toLowerCase(mLocale);
if (dict.isValidWord(lowerCaseText)) return true; if (dict.isValidWord(lowerCaseText)) return true;
if (AndroidSpellCheckerService.CAPITALIZE_FIRST == capitalizeType) return false; if (StringUtils.CAPITALIZE_FIRST == capitalizeType) return false;
// If the lower case version is not in the dictionary, it's still possible // If the lower case version is not in the dictionary, it's still possible
// that we have an all-caps version of a word that needs to be capitalized // that we have an all-caps version of a word that needs to be capitalized
@ -296,7 +296,7 @@ public abstract class AndroidWordLevelSpellCheckerSession extends Session {
} }
} }
final int capitalizeType = AndroidSpellCheckerService.getCapitalizationType(text); final int capitalizeType = StringUtils.getCapitalizationType(text);
boolean isInDict = true; boolean isInDict = true;
DictAndProximity dictInfo = null; DictAndProximity dictInfo = null;
try { try {