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Move a generic string utility to StringUtils 

Change-Id: I9cc2e9a7ac0b3346af40bcb083f939333336cf09
main
Jean Chalard 2013-04-04 21:14:37 +09:00
parent 5a5db35da9
commit 7d3836d63a
3 changed files with 36 additions and 36 deletions
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31
java/src/com/android/inputmethod/latin/StringUtils.java
View File

@ -22,6 +22,10 @@ import java.util.ArrayList;
import java.util.Locale;
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() {
// This utility class is not publicly instantiable.
}
@ -171,4 +175,31 @@ public final class StringUtils {
}
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);
}
}

35
java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
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 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 Map<String, DictionaryPool> mDictionaryPools = CollectionUtils.newSynchronizedTreeMap();
private Map<String, UserBinaryDictionary> mUserDictionaries =
@ -325,13 +321,13 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
}
Collections.reverse(mSuggestions);
StringUtils.removeDupes(mSuggestions);
if (CAPITALIZE_ALL == capitalizeType) {
if (StringUtils.CAPITALIZE_ALL == capitalizeType) {
for (int i = 0; i < mSuggestions.size(); ++i) {
// get(i) returns a CharSequence which is actually a String so .toString()
// should return the same object.
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) {
// Likewise
mSuggestions.set(i, StringUtils.toTitleCase(
@ -438,31 +434,4 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
}
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);
}
}

6
java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
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
// case versions, but only if the word is not already all-lower case or mixed case.
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-).
// 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.
final String lowerCaseText = text.toLowerCase(mLocale);
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
// 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;
DictAndProximity dictInfo = null;
try {