Rename StringUtils.parseCsvString to KeySpecParser.splitKeySpecs (dbed20ad) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java

+68 −14

Original line number	Diff line number	Diff line
		@@ -53,7 +53,9 @@ public final class KeySpecParser {
		private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;

		// Constants for parsing.
		private static final char LABEL_END = '\|';
		private static final char COMMA = ',';
		private static final char BACKSLASH = '\\';
		private static final char VERTICAL_BAR = '\|';
		private static final String PREFIX_TEXT = "!text/";
		static final String PREFIX_ICON = "!icon/";
		private static final String PREFIX_CODE = "!code/";
		@@ -64,6 +66,59 @@ public final class KeySpecParser {
		// Intentional empty constructor for utility class.
		}

		/**
		* Split the text containing multiple key specifications separated by commas into an array of
		* key specifications.
		* A key specification can contain a character escaped by the backslash character, including a
		* comma character.
		* Note that an empty key specification will be eliminated from the result array.
		*
		* @param text the text containing multiple key specifications.
		* @return an array of key specification text. Null if the specified <code>text</code> is empty
		* or has no key specifications.
		*/
		public static String[] splitKeySpecs(final String text) {
		final int size = text.length();
		if (size == 0) {
		return null;
		}
		// Optimization for one-letter key specification.
		if (size == 1) {
		return text.charAt(0) == COMMA ? null : new String[] { text };
		}

		ArrayList<String> list = null;
		int start = 0;
		// The characters in question in this loop are COMMA and BACKSLASH. These characters never
		// match any high or low surrogate character. So it is OK to iterate through with char
		// index.
		for (int pos = 0; pos < size; pos++) {
		final char c = text.charAt(pos);
		if (c == COMMA) {
		// Skip empty entry.
		if (pos - start > 0) {
		if (list == null) {
		list = CollectionUtils.newArrayList();
		}
		list.add(text.substring(start, pos));
		}
		// Skip comma
		start = pos + 1;
		} else if (c == BACKSLASH) {
		// Skip escape character and escaped character.
		pos++;
		}
		}
		final String remain = (size - start > 0) ? text.substring(start) : null;
		if (list == null) {
		return remain != null ? new String[] { remain } : null;
		}
		if (remain != null) {
		list.add(remain);
		}
		return list.toArray(new String[list.size()]);
		}

		private static boolean hasIcon(final String moreKeySpec) {
		return moreKeySpec.startsWith(PREFIX_ICON);
		}
		@@ -78,14 +133,14 @@ public final class KeySpecParser {
		}

		private static String parseEscape(final String text) {
		if (text.indexOf(Constants.CSV_ESCAPE) < 0) {
		if (text.indexOf(BACKSLASH) < 0) {
		return text;
		}
		final int length = text.length();
		final StringBuilder sb = new StringBuilder();
		for (int pos = 0; pos < length; pos++) {
		final char c = text.charAt(pos);
		if (c == Constants.CSV_ESCAPE && pos + 1 < length) {
		if (c == BACKSLASH && pos + 1 < length) {
		// Skip escape char
		pos++;
		sb.append(text.charAt(pos));
		@@ -97,20 +152,20 @@ public final class KeySpecParser {
		}

		private static int indexOfLabelEnd(final String moreKeySpec, final int start) {
		if (moreKeySpec.indexOf(Constants.CSV_ESCAPE, start) < 0) {
		final int end = moreKeySpec.indexOf(LABEL_END, start);
		if (moreKeySpec.indexOf(BACKSLASH, start) < 0) {
		final int end = moreKeySpec.indexOf(VERTICAL_BAR, start);
		if (end == 0) {
		throw new KeySpecParserError(LABEL_END + " at " + start + ": " + moreKeySpec);
		throw new KeySpecParserError(VERTICAL_BAR + " at " + start + ": " + moreKeySpec);
		}
		return end;
		}
		final int length = moreKeySpec.length();
		for (int pos = start; pos < length; pos++) {
		final char c = moreKeySpec.charAt(pos);
		if (c == Constants.CSV_ESCAPE && pos + 1 < length) {
		if (c == BACKSLASH && pos + 1 < length) {
		// Skip escape char
		pos++;
		} else if (c == LABEL_END) {
		} else if (c == VERTICAL_BAR) {
		return pos;
		}
		}
		@@ -136,9 +191,9 @@ public final class KeySpecParser {
		return null;
		}
		if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) {
		throw new KeySpecParserError("Multiple " + LABEL_END + ": " + moreKeySpec);
		throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + moreKeySpec);
		}
		return parseEscape(moreKeySpec.substring(end + /* LABEL_END */1));
		return parseEscape(moreKeySpec.substring(end + /* VERTICAL_BAR */1));
		}

		static String getOutputText(final String moreKeySpec) {
		@@ -169,7 +224,7 @@ public final class KeySpecParser {
		if (hasCode(moreKeySpec)) {
		final int end = indexOfLabelEnd(moreKeySpec, 0);
		if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) {
		throw new KeySpecParserError("Multiple " + LABEL_END + ": " + moreKeySpec);
		throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + moreKeySpec);
		}
		return parseCode(moreKeySpec.substring(end + 1), codesSet, CODE_UNSPECIFIED);
		}
		@@ -204,7 +259,7 @@ public final class KeySpecParser {

		public static int getIconId(final String moreKeySpec) {
		if (moreKeySpec != null && hasIcon(moreKeySpec)) {
		final int end = moreKeySpec.indexOf(LABEL_END, PREFIX_ICON.length());
		final int end = moreKeySpec.indexOf(VERTICAL_BAR, PREFIX_ICON.length());
		final String name = (end < 0) ? moreKeySpec.substring(PREFIX_ICON.length())
		: moreKeySpec.substring(PREFIX_ICON.length(), end);
		return KeyboardIconsSet.getIconId(name);
		@@ -351,7 +406,7 @@ public final class KeySpecParser {
		final String name = text.substring(pos + prefixLen, end);
		sb.append(textsSet.getText(name));
		pos = end - 1;
		} else if (c == Constants.CSV_ESCAPE) {
		} else if (c == BACKSLASH) {
		if (sb != null) {
		// Append both escape character and escaped character.
		sb.append(text.substring(pos, Math.min(pos + 2, size)));
		@@ -366,7 +421,6 @@ public final class KeySpecParser {
		text = sb.toString();
		}
		} while (sb != null);

		return text;
		}

java/src/com/android/inputmethod/keyboard/internal/KeyStyle.java

+1 −3

Original line number	Diff line number	Diff line
		@@ -18,8 +18,6 @@ package com.android.inputmethod.keyboard.internal;

		import android.content.res.TypedArray;

		import com.android.inputmethod.latin.StringUtils;

		public abstract class KeyStyle {
		private final KeyboardTextsSet mTextsSet;

		@@ -42,7 +40,7 @@ public abstract class KeyStyle {
		protected String[] parseStringArray(final TypedArray a, final int index) {
		if (a.hasValue(index)) {
		final String text = KeySpecParser.resolveTextReference(a.getString(index), mTextsSet);
		return StringUtils.parseCsvString(text);
		return KeySpecParser.splitKeySpecs(text);
		}
		return null;
		}

java/src/com/android/inputmethod/latin/Constants.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -215,10 +215,6 @@ public final class Constants {
		}
		}

		// Constants for CSV parsing.
		public static final char CSV_SEPARATOR = ',';
		public static final char CSV_ESCAPE = '\\';

		private Constants() {
		// This utility class is not publicly instantiable.
		}

java/src/com/android/inputmethod/latin/SettingsValues.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -96,7 +96,7 @@ public final class SettingsValues {
		mWordConnectors =
		StringUtils.toCodePointArray(res.getString(R.string.symbols_word_connectors));
		Arrays.sort(mWordConnectors);
		final String[] suggestPuncsSpec = StringUtils.parseCsvString(res.getString(
		final String[] suggestPuncsSpec = KeySpecParser.splitKeySpecs(res.getString(
		R.string.suggested_punctuations));
		mSuggestPuncList = createSuggestPuncList(suggestPuncsSpec);
		mWordSeparators = res.getString(R.string.symbols_word_separators);

java/src/com/android/inputmethod/latin/StringUtils.java

+0 −38

Original line number	Diff line number	Diff line
		@@ -131,44 +131,6 @@ public final class StringUtils {
		return codePoints;
		}

		public static String[] parseCsvString(final String text) {
		final int size = text.length();
		if (size == 0) {
		return null;
		}
		if (codePointCount(text) == 1) {
		return text.codePointAt(0) == Constants.CSV_SEPARATOR ? null : new String[] { text };
		}

		ArrayList<String> list = null;
		int start = 0;
		for (int pos = 0; pos < size; pos++) {
		final char c = text.charAt(pos);
		if (c == Constants.CSV_SEPARATOR) {
		// Skip empty entry.
		if (pos - start > 0) {
		if (list == null) {
		list = CollectionUtils.newArrayList();
		}
		list.add(text.substring(start, pos));
		}
		// Skip comma
		start = pos + 1;
		} else if (c == Constants.CSV_ESCAPE) {
		// Skip escape character and escaped character.
		pos++;
		}
		}
		final String remain = (size - start > 0) ? text.substring(start) : null;
		if (list == null) {
		return remain != null ? new String[] { remain } : null;
		}
		if (remain != null) {
		list.add(remain);
		}
		return list.toArray(new String[list.size()]);
		}

		// This method assumes the text is not null. For the empty string, it returns CAPITALIZE_NONE.
		public static int getCapitalizationType(final String text) {
		// If the first char is not uppercase, then the word is either all lower case or