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Simplify the space-before and space-after logic. 

Bug: 7889078
Bug: 7268000
Change-Id: I6c77b8c9e60ef69f02526b407124d2f5d02818ee
main
Jean Chalard 2013-01-11 20:23:48 +09:00
parent 22959faad4
commit ae3b96b26e
5 changed files with 59 additions and 106 deletions
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18
java/res/values-fr/donottranslate.xml
View File

@ -18,15 +18,13 @@
*/
-->
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
<!-- Symbols that should be swapped with a magic space -->
<string name="weak_space_swapping_symbols">.,)]}</string>
<!-- Symbols that should strip a magic space -->
<!-- Symbols that are normally preceded by a space (used to add an auto-space before these) -->
<string name="symbols_preceded_by_space">([{*&amp;;:!?</string>
<!-- Symbols that are normally followed by a space (used to add an auto-space after these) -->
<string name="symbols_followed_by_space">.,;:!?)]}*&amp;</string>
<!-- Symbols that separate words -->
<!-- Don't remove the enclosing double quotes, they protect whitespace (not just U+0020) -->
<string name="weak_space_stripping_symbols">"&#x0009;&#x0020;\n"\'-/_\"</string>
<!-- Symbols that should promote magic spaces into real space -->
<string name="phantom_space_promoting_symbols">;:!?([*&amp;@{&lt;&gt;+=|</string>
<!-- Symbols that do NOT separate words -->
<!-- Note that this is identical to the default value, but since the above ones are different
and those variables only make sense together, this is kept here for readability. -->
<string name="symbols_excluded_from_word_separators">\'-</string>
<string name="symbols_word_separators">"&#x0009;&#x0020;\n"()[]{}*&amp;&lt;&gt;+=|.,;:!?/_\"</string>
<!-- Word connectors -->
<string name="symbols_word_connectors">\'-</string>
</resources>

19
java/res/values/donottranslate.xml
View File

@ -20,18 +20,15 @@
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
<!-- Symbols that are suggested between words -->
<string name="suggested_punctuations">!,?,\\,,:,;,\",(,),\',-,/,@,_</string>
<!-- Symbols that should be swapped with a weak space -->
<string name="weak_space_swapping_symbols">.,;:!?)]}</string>
<!-- Symbols that should strip a weak space -->
<!-- Symbols that are normally preceded by a space (used to add an auto-space before these) -->
<string name="symbols_preceded_by_space">([{*&amp;</string>
<!-- Symbols that are normally followed by a space (used to add an auto-space after these) -->
<string name="symbols_followed_by_space">.,;:!?)]}*&amp;</string>
<!-- Symbols that separate words -->
<!-- Don't remove the enclosing double quotes, they protect whitespace (not just U+0020) -->
<string name="weak_space_stripping_symbols">"&#x0009;&#x0020;\n"/_\'-@\"</string>
<!-- Symbols that should convert weak spaces into real space -->
<string name="phantom_space_promoting_symbols">([*&amp;{&lt;&gt;+=|</string>
<!-- Symbols that do NOT separate words -->
<string name="symbols_excluded_from_word_separators">\'-</string>
<!-- Word separator list is the union of all symbols except those that are not separators:
weak_space_swapping_symbols | weak_space_stripping_symbols
\ symbols_excluded_from_word_separators -->
<string name="symbols_word_separators">"&#x0009;&#x0020;\n"()[]{}*&amp;&lt;&gt;+=|.,;:!?/_\"</string>
<!-- Word connectors -->
<string name="symbols_word_connectors">\'-</string>
<!-- Symbol characters list that should switch back to the main layout -->
<!-- U+2018: "‘" LEFT SINGLE QUOTATION MARK
U+2019: "’" RIGHT SINGLE QUOTATION MARK

49
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -1493,12 +1493,7 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
mSpaceState = SPACE_STATE_PHANTOM;
} else {
final int codePointBeforeCursor = mConnection.getCodePointBeforeCursor();
// TODO: reverse this logic. We should have the means to determine whether a character
// should usually be followed by a space, and it should be more readable.
if (Constants.NOT_A_CODE != codePointBeforeCursor
&& !Character.isWhitespace(codePointBeforeCursor)
&& !mSettings.getCurrent().isPhantomSpacePromotingSymbol(codePointBeforeCursor)
&& !mSettings.getCurrent().isWeakSpaceStripper(codePointBeforeCursor)) {
if (mSettings.getCurrent().isUsuallyFollowedBySpace(codePointBeforeCursor)) {
mSpaceState = SPACE_STATE_PHANTOM;
}
}
@ -1775,25 +1770,22 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
}
}
/*
* Strip a trailing space if necessary and returns whether it's a swap weak space situation.
*/
private boolean maybeStripSpace(final int code,
final int spaceState, final boolean isFromSuggestionStrip) {
if (Constants.CODE_ENTER == code && SPACE_STATE_SWAP_PUNCTUATION == spaceState) {
mConnection.removeTrailingSpace();
return false;
} else if ((SPACE_STATE_WEAK == spaceState
|| SPACE_STATE_SWAP_PUNCTUATION == spaceState)
&& isFromSuggestionStrip) {
if (mSettings.getCurrent().isWeakSpaceSwapper(code)) {
return true;
} else {
if (mSettings.getCurrent().isWeakSpaceStripper(code)) {
mConnection.removeTrailingSpace();
}
return false;
}
} else {
return false;
}
if ((SPACE_STATE_WEAK == spaceState || SPACE_STATE_SWAP_PUNCTUATION == spaceState)
&& isFromSuggestionStrip) {
if (mSettings.getCurrent().isUsuallyPrecededBySpace(code)) return false;
if (mSettings.getCurrent().isUsuallyFollowedBySpace(code)) return true;
mConnection.removeTrailingSpace();
}
return false;
}
private void handleCharacter(final int primaryCode, final int x,
@ -1801,7 +1793,7 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
boolean isComposingWord = mWordComposer.isComposingWord();
if (SPACE_STATE_PHANTOM == spaceState &&
!mSettings.getCurrent().isSymbolExcludedFromWordSeparators(primaryCode)) {
!mSettings.getCurrent().isWordConnector(primaryCode)) {
if (isComposingWord) {
// Sanity check
throw new RuntimeException("Should not be composing here");
@ -1813,7 +1805,7 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
// dozen milliseconds. Avoid calling it as much as possible, since we are on the UI
// thread here.
if (!isComposingWord && (isAlphabet(primaryCode)
|| mSettings.getCurrent().isSymbolExcludedFromWordSeparators(primaryCode))
|| mSettings.getCurrent().isWordConnector(primaryCode))
&& mSettings.getCurrent().isSuggestionsRequested(mDisplayOrientation) &&
!mConnection.isCursorTouchingWord(mSettings.getCurrent())) {
// Reset entirely the composing state anyway, then start composing a new word unless
@ -1885,7 +1877,7 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
Constants.SUGGESTION_STRIP_COORDINATE == x);
if (SPACE_STATE_PHANTOM == spaceState &&
mSettings.getCurrent().isPhantomSpacePromotingSymbol(primaryCode)) {
mSettings.getCurrent().isUsuallyPrecededBySpace(primaryCode)) {
promotePhantomSpace();
}
sendKeyCodePoint(primaryCode);
@ -1900,16 +1892,13 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
}
mHandler.startDoubleSpacePeriodTimer();
if (!mConnection.isCursorTouchingWord(mSettings.getCurrent())) {
mHandler.postUpdateSuggestionStrip();
}
mHandler.postUpdateSuggestionStrip();
} else {
if (swapWeakSpace) {
swapSwapperAndSpace();
mSpaceState = SPACE_STATE_SWAP_PUNCTUATION;
} else if (SPACE_STATE_PHANTOM == spaceState
&& !mSettings.getCurrent().isWeakSpaceStripper(primaryCode)
&& !mSettings.getCurrent().isPhantomSpacePromotingSymbol(primaryCode)) {
&& mSettings.getCurrent().isUsuallyFollowedBySpace(primaryCode)) {
// If we are in phantom space state, and the user presses a separator, we want to
// stay in phantom space state so that the next keypress has a chance to add the
// space. For example, if I type "Good dat", pick "day" from the suggestion strip
@ -2158,9 +2147,9 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
// In the batch input mode, a manually picked suggested word should just replace
// the current batch input text and there is no need for a phantom space.
&& !mWordComposer.isBatchMode()) {
int firstChar = Character.codePointAt(suggestion, 0);
if ((!mSettings.getCurrent().isWeakSpaceStripper(firstChar))
&& (!mSettings.getCurrent().isWeakSpaceSwapper(firstChar))) {
final int firstChar = Character.codePointAt(suggestion, 0);
if (!mSettings.getCurrent().isWordSeparator(firstChar)
|| mSettings.getCurrent().isUsuallyPrecededBySpace(firstChar)) {
promotePhantomSpace();
}
}

13
java/src/com/android/inputmethod/latin/RichInputConnection.java
View File

@ -577,11 +577,11 @@ public final class RichInputConnection {
final CharSequence before = getTextBeforeCursor(1, 0);
final CharSequence after = getTextAfterCursor(1, 0);
if (!TextUtils.isEmpty(before) && !settingsValues.isWordSeparator(before.charAt(0))
&& !settingsValues.isSymbolExcludedFromWordSeparators(before.charAt(0))) {
&& !settingsValues.isWordConnector(before.charAt(0))) {
return true;
}
if (!TextUtils.isEmpty(after) && !settingsValues.isWordSeparator(after.charAt(0))
&& !settingsValues.isSymbolExcludedFromWordSeparators(after.charAt(0))) {
&& !settingsValues.isWordConnector(after.charAt(0))) {
return true;
}
return false;
@ -633,12 +633,9 @@ public final class RichInputConnection {
final char firstChar = word.charAt(0); // we just tested that word is not empty
if (word.length() == 1 && !Character.isLetter(firstChar)) return null;
// We only suggest on words that start with a letter or a symbol that is excluded from
// word separators (see #handleCharacterWhileInBatchEdit).
if (!(Character.isLetter(firstChar)
|| settings.isSymbolExcludedFromWordSeparators(firstChar))) {
return null;
}
// We don't restart suggestion if the first character is not a letter, because we don't
// start composing when the first character is not a letter.
if (!Character.isLetter(firstChar)) return null;
return word;
}

66
java/src/com/android/inputmethod/latin/SettingsValues.java
View File

@ -37,11 +37,10 @@ public final class SettingsValues {
// From resources:
public final int mDelayUpdateOldSuggestions;
public final String mWeakSpaceStrippers;
public final String mWeakSpaceSwappers;
private final String mPhantomSpacePromotingSymbols;
public final int[] mSymbolsPrecededBySpace;
public final int[] mSymbolsFollowedBySpace;
public final int[] mWordConnectors;
public final SuggestedWords mSuggestPuncList;
private final String mSymbolsExcludedFromWordSeparators;
public final String mWordSeparators;
public final CharSequence mHintToSaveText;
@ -79,25 +78,19 @@ public final class SettingsValues {
final InputAttributes inputAttributes) {
// Get the resources
mDelayUpdateOldSuggestions = res.getInteger(R.integer.config_delay_update_old_suggestions);
mWeakSpaceStrippers = res.getString(R.string.weak_space_stripping_symbols);
mWeakSpaceSwappers = res.getString(R.string.weak_space_swapping_symbols);
mPhantomSpacePromotingSymbols = res.getString(R.string.phantom_space_promoting_symbols);
if (LatinImeLogger.sDBG) {
final int length = mWeakSpaceStrippers.length();
for (int i = 0; i < length; i = mWeakSpaceStrippers.offsetByCodePoints(i, 1)) {
if (isWeakSpaceSwapper(mWeakSpaceStrippers.codePointAt(i))) {
throw new RuntimeException("Char code " + mWeakSpaceStrippers.codePointAt(i)
+ " is both a weak space swapper and stripper.");
}
}
}
mSymbolsPrecededBySpace =
StringUtils.toCodePointArray(res.getString(R.string.symbols_preceded_by_space));
Arrays.sort(mSymbolsPrecededBySpace);
mSymbolsFollowedBySpace =
StringUtils.toCodePointArray(res.getString(R.string.symbols_followed_by_space));
Arrays.sort(mSymbolsFollowedBySpace);
mWordConnectors =
StringUtils.toCodePointArray(res.getString(R.string.symbols_word_connectors));
Arrays.sort(mWordConnectors);
final String[] suggestPuncsSpec = KeySpecParser.parseCsvString(
res.getString(R.string.suggested_punctuations), null);
mSuggestPuncList = createSuggestPuncList(suggestPuncsSpec);
mSymbolsExcludedFromWordSeparators =
res.getString(R.string.symbols_excluded_from_word_separators);
mWordSeparators = createWordSeparators(mWeakSpaceStrippers, mWeakSpaceSwappers,
mSymbolsExcludedFromWordSeparators, res);
mWordSeparators = res.getString(R.string.symbols_word_separators);
mHintToSaveText = res.getText(R.string.hint_add_to_dictionary);
// Store the input attributes
@ -169,25 +162,16 @@ public final class SettingsValues {
return mWordSeparators.contains(String.valueOf((char)code));
}
public boolean isSymbolExcludedFromWordSeparators(final int code) {
return mSymbolsExcludedFromWordSeparators.contains(String.valueOf((char)code));
public boolean isWordConnector(final int code) {
return Arrays.binarySearch(mWordConnectors, code) >= 0;
}
// TODO: use "Phantom" instead of "Weak" in this method name
public boolean isWeakSpaceStripper(final int code) {
// TODO: this does not work if the code does not fit in a char
return mWeakSpaceStrippers.contains(String.valueOf((char)code));
public boolean isUsuallyPrecededBySpace(final int code) {
return Arrays.binarySearch(mSymbolsPrecededBySpace, code) >= 0;
}
// TODO: use "Phantom" instead of "Weak" in this method name
public boolean isWeakSpaceSwapper(final int code) {
// TODO: this does not work if the code does not fit in a char
return mWeakSpaceSwappers.contains(String.valueOf((char)code));
}
public boolean isPhantomSpacePromotingSymbol(final int code) {
// TODO: this does not work if the code does not fit in a char
return mPhantomSpacePromotingSymbols.contains(String.valueOf((char)code));
public boolean isUsuallyFollowedBySpace(final int code) {
return Arrays.binarySearch(mSymbolsFollowedBySpace, code) >= 0;
}
public boolean shouldInsertSpacesAutomatically() {
@ -239,18 +223,6 @@ public final class SettingsValues {
false /* isPrediction */);
}
private static String createWordSeparators(final String weakSpaceStrippers,
final String weakSpaceSwappers, final String symbolsExcludedFromWordSeparators,
final Resources res) {
String wordSeparators = weakSpaceStrippers + weakSpaceSwappers
+ res.getString(R.string.phantom_space_promoting_symbols);
for (int i = symbolsExcludedFromWordSeparators.length() - 1; i >= 0; --i) {
wordSeparators = wordSeparators.replace(
symbolsExcludedFromWordSeparators.substring(i, i + 1), "");
}
return wordSeparators;
}
private static final int SUGGESTION_VISIBILITY_SHOW_VALUE =
R.string.prefs_suggestion_visibility_show_value;
private static final int SUGGESTION_VISIBILITY_SHOW_ONLY_PORTRAIT_VALUE =