1 files changed, 155 insertions, 0 deletions
diff --git a/java/src/org/kelar/inputmethod/latin/settings/SpacingAndPunctuations.java b/java/src/org/kelar/inputmethod/latin/settings/SpacingAndPunctuations.java
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+++ b/java/src/org/kelar/inputmethod/latin/settings/SpacingAndPunctuations.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2014 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 org.kelar.inputmethod.latin.settings;
+
+import android.content.res.Resources;
+
+import org.kelar.inputmethod.annotations.UsedForTesting;
+import org.kelar.inputmethod.keyboard.internal.MoreKeySpec;
+import org.kelar.inputmethod.latin.PunctuationSuggestions;
+import org.kelar.inputmethod.latin.R;
+import org.kelar.inputmethod.latin.common.Constants;
+import org.kelar.inputmethod.latin.common.StringUtils;
+
+import java.util.Arrays;
+import java.util.Locale;
+
+public final class SpacingAndPunctuations {
+    private final int[] mSortedSymbolsPrecededBySpace;
+    private final int[] mSortedSymbolsFollowedBySpace;
+    private final int[] mSortedSymbolsClusteringTogether;
+    private final int[] mSortedWordConnectors;
+    public final int[] mSortedWordSeparators;
+    public final PunctuationSuggestions mSuggestPuncList;
+    private final int mSentenceSeparator;
+    private final int mAbbreviationMarker;
+    private final int[] mSortedSentenceTerminators;
+    public final String mSentenceSeparatorAndSpace;
+    public final boolean mCurrentLanguageHasSpaces;
+    public final boolean mUsesAmericanTypography;
+    public final boolean mUsesGermanRules;
+
+    public SpacingAndPunctuations(final Resources res) {
+        // To be able to binary search the code point. See {@link #isUsuallyPrecededBySpace(int)}.
+        mSortedSymbolsPrecededBySpace = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_preceded_by_space));
+        // To be able to binary search the code point. See {@link #isUsuallyFollowedBySpace(int)}.
+        mSortedSymbolsFollowedBySpace = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_followed_by_space));
+        mSortedSymbolsClusteringTogether = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_clustering_together));
+        // To be able to binary search the code point. See {@link #isWordConnector(int)}.
+        mSortedWordConnectors = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_word_connectors));
+        mSortedWordSeparators = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_word_separators));
+        mSortedSentenceTerminators = StringUtils.toSortedCodePointArray(
+                res.getString(R.string.symbols_sentence_terminators));
+        mSentenceSeparator = res.getInteger(R.integer.sentence_separator);
+        mAbbreviationMarker = res.getInteger(R.integer.abbreviation_marker);
+        mSentenceSeparatorAndSpace = new String(new int[] {
+                mSentenceSeparator, Constants.CODE_SPACE }, 0, 2);
+        mCurrentLanguageHasSpaces = res.getBoolean(R.bool.current_language_has_spaces);
+        final Locale locale = res.getConfiguration().locale;
+        // Heuristic: we use American Typography rules because it's the most common rules for all
+        // English variants. German rules (not "German typography") also have small gotchas.
+        mUsesAmericanTypography = Locale.ENGLISH.getLanguage().equals(locale.getLanguage());
+        mUsesGermanRules = Locale.GERMAN.getLanguage().equals(locale.getLanguage());
+        final String[] suggestPuncsSpec = MoreKeySpec.splitKeySpecs(
+                res.getString(R.string.suggested_punctuations));
+        mSuggestPuncList = PunctuationSuggestions.newPunctuationSuggestions(suggestPuncsSpec);
+    }
+
+    @UsedForTesting
+    public SpacingAndPunctuations(final SpacingAndPunctuations model,
+            final int[] overrideSortedWordSeparators) {
+        mSortedSymbolsPrecededBySpace = model.mSortedSymbolsPrecededBySpace;
+        mSortedSymbolsFollowedBySpace = model.mSortedSymbolsFollowedBySpace;
+        mSortedSymbolsClusteringTogether = model.mSortedSymbolsClusteringTogether;
+        mSortedWordConnectors = model.mSortedWordConnectors;
+        mSortedWordSeparators = overrideSortedWordSeparators;
+        mSortedSentenceTerminators = model.mSortedSentenceTerminators;
+        mSuggestPuncList = model.mSuggestPuncList;
+        mSentenceSeparator = model.mSentenceSeparator;
+        mAbbreviationMarker = model.mAbbreviationMarker;
+        mSentenceSeparatorAndSpace = model.mSentenceSeparatorAndSpace;
+        mCurrentLanguageHasSpaces = model.mCurrentLanguageHasSpaces;
+        mUsesAmericanTypography = model.mUsesAmericanTypography;
+        mUsesGermanRules = model.mUsesGermanRules;
+    }
+
+    public boolean isWordSeparator(final int code) {
+        return Arrays.binarySearch(mSortedWordSeparators, code) >= 0;
+    }
+
+    public boolean isWordConnector(final int code) {
+        return Arrays.binarySearch(mSortedWordConnectors, code) >= 0;
+    }
+
+    public boolean isWordCodePoint(final int code) {
+        return Character.isLetter(code) || isWordConnector(code);
+    }
+
+    public boolean isUsuallyPrecededBySpace(final int code) {
+        return Arrays.binarySearch(mSortedSymbolsPrecededBySpace, code) >= 0;
+    }
+
+    public boolean isUsuallyFollowedBySpace(final int code) {
+        return Arrays.binarySearch(mSortedSymbolsFollowedBySpace, code) >= 0;
+    }
+
+    public boolean isClusteringSymbol(final int code) {
+        return Arrays.binarySearch(mSortedSymbolsClusteringTogether, code) >= 0;
+    }
+
+    public boolean isSentenceTerminator(final int code) {
+        return Arrays.binarySearch(mSortedSentenceTerminators, code) >= 0;
+    }
+
+    public boolean isAbbreviationMarker(final int code) {
+        return code == mAbbreviationMarker;
+    }
+
+    public boolean isSentenceSeparator(final int code) {
+        return code == mSentenceSeparator;
+    }
+
+    public String dump() {
+        final StringBuilder sb = new StringBuilder();
+        sb.append("mSortedSymbolsPrecededBySpace = ");
+        sb.append("" + Arrays.toString(mSortedSymbolsPrecededBySpace));
+        sb.append("\n   mSortedSymbolsFollowedBySpace = ");
+        sb.append("" + Arrays.toString(mSortedSymbolsFollowedBySpace));
+        sb.append("\n   mSortedWordConnectors = ");
+        sb.append("" + Arrays.toString(mSortedWordConnectors));
+        sb.append("\n   mSortedWordSeparators = ");
+        sb.append("" + Arrays.toString(mSortedWordSeparators));
+        sb.append("\n   mSuggestPuncList = ");
+        sb.append("" + mSuggestPuncList);
+        sb.append("\n   mSentenceSeparator = ");
+        sb.append("" + mSentenceSeparator);
+        sb.append("\n   mSentenceSeparatorAndSpace = ");
+        sb.append("" + mSentenceSeparatorAndSpace);
+        sb.append("\n   mCurrentLanguageHasSpaces = ");
+        sb.append("" + mCurrentLanguageHasSpaces);
+        sb.append("\n   mUsesAmericanTypography = ");
+        sb.append("" + mUsesAmericanTypography);
+        sb.append("\n   mUsesGermanRules = ");
+        sb.append("" + mUsesGermanRules);
+        return sb.toString();
+    }
+}