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Move parseCsvString to StringUtils

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Change-Id: I602f33991ca57b6057ec2defe01573552b322857
This commit is contained in:
Tadashi G. Takaoka 2013-02-12 16:00:28 +09:00
parent 0b49191797
commit b3fd701181
6 changed files with 57 additions and 50 deletions
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51
java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
View file

@ -53,8 +53,6 @@ public final class KeySpecParser {
private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;
// Constants for parsing.
private static int COMMA = ',';
private static final char ESCAPE_CHAR = '\\';
private static final char LABEL_END = '|';
private static final String PREFIX_TEXT = "!text/";
static final String PREFIX_ICON = "!icon/";
@ -80,14 +78,14 @@ public final class KeySpecParser {
}
private static String parseEscape(final String text) {
if (text.indexOf(ESCAPE_CHAR) < 0) {
if (text.indexOf(Constants.CSV_ESCAPE) < 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 == ESCAPE_CHAR && pos + 1 < length) {
if (c == Constants.CSV_ESCAPE && pos + 1 < length) {
// Skip escape char
pos++;
sb.append(text.charAt(pos));
@ -99,7 +97,7 @@ public final class KeySpecParser {
}
private static int indexOfLabelEnd(final String moreKeySpec, final int start) {
if (moreKeySpec.indexOf(ESCAPE_CHAR, start) < 0) {
if (moreKeySpec.indexOf(Constants.CSV_ESCAPE, start) < 0) {
final int end = moreKeySpec.indexOf(LABEL_END, start);
if (end == 0) {
throw new KeySpecParserError(LABEL_END + " at " + start + ": " + moreKeySpec);
@ -109,7 +107,7 @@ public final class KeySpecParser {
final int length = moreKeySpec.length();
for (int pos = start; pos < length; pos++) {
final char c = moreKeySpec.charAt(pos);
if (c == ESCAPE_CHAR && pos + 1 < length) {
if (c == Constants.CSV_ESCAPE && pos + 1 < length) {
// Skip escape char
pos++;
} else if (c == LABEL_END) {
@ -353,7 +351,7 @@ public final class KeySpecParser {
final String name = text.substring(pos + prefixLen, end);
sb.append(textsSet.getText(name));
pos = end - 1;
} else if (c == ESCAPE_CHAR) {
} else if (c == Constants.CSV_ESCAPE) {
if (sb != null) {
// Append both escape character and escaped character.
sb.append(text.substring(pos, Math.min(pos + 2, size)));
@ -385,45 +383,6 @@ public final class KeySpecParser {
return size;
}
public static String[] parseCsvString(final String rawText, final KeyboardTextsSet textsSet) {
final String text = resolveTextReference(rawText, textsSet);
final int size = text.length();
if (size == 0) {
return null;
}
if (StringUtils.codePointCount(text) == 1) {
return text.codePointAt(0) == COMMA ? 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 == 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 == ESCAPE_CHAR) {
// 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()]);
}
public static int getIntValue(final String[] moreKeys, final String key,
final int defaultValue) {
if (moreKeys == null) {

5
java/src/com/android/inputmethod/keyboard/internal/KeyStyle.java
View file

@ -18,6 +18,8 @@ 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;
@ -39,7 +41,8 @@ public abstract class KeyStyle {
protected String[] parseStringArray(final TypedArray a, final int index) {
if (a.hasValue(index)) {
return KeySpecParser.parseCsvString(a.getString(index), mTextsSet);
final String text = KeySpecParser.resolveTextReference(a.getString(index), mTextsSet);
return StringUtils.parseCsvString(text);
}
return null;
}

4
java/src/com/android/inputmethod/latin/Constants.java
View file

@ -215,6 +215,10 @@ 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.
}

5
java/src/com/android/inputmethod/latin/SettingsValues.java
View file

@ -89,8 +89,8 @@ public final class SettingsValues {
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);
final String[] suggestPuncsSpec = StringUtils.parseCsvString(res.getString(
R.string.suggested_punctuations));
mSuggestPuncList = createSuggestPuncList(suggestPuncsSpec);
mWordSeparators = res.getString(R.string.symbols_word_separators);
mHintToSaveText = res.getText(R.string.hint_add_to_dictionary);
@ -211,6 +211,7 @@ public final class SettingsValues {
final ArrayList<SuggestedWordInfo> puncList = CollectionUtils.newArrayList();
if (puncs != null) {
for (final String puncSpec : puncs) {
// TODO: Stop using KeySpceParser.getLabel().
puncList.add(new SuggestedWordInfo(KeySpecParser.getLabel(puncSpec),
SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_HARDCODED,
Dictionary.TYPE_HARDCODED));

38
java/src/com/android/inputmethod/latin/StringUtils.java
View file

@ -372,4 +372,42 @@ public final class StringUtils {
// Here we arrived at the start of the line. This should behave exactly like whitespace.
return (START == state || LETTER == state) ? noCaps : caps;
}
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()]);
}
}

4
tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
View file

@ -21,6 +21,7 @@ import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import com.android.inputmethod.latin.CollectionUtils;
import com.android.inputmethod.latin.StringUtils;
import java.lang.reflect.Field;
import java.util.ArrayList;
@ -74,7 +75,8 @@ public class KeySpecParserCsvTests extends InstrumentationTestCase {
}
private void assertTextArray(String message, String value, String ... expectedArray) {
final String[] actual = KeySpecParser.parseCsvString(value, mTextsSet);
final String resolvedActual = KeySpecParser.resolveTextReference(value, mTextsSet);
final String[] actual = StringUtils.parseCsvString(resolvedActual);
final String[] expected = (expectedArray.length == 0) ? null : expectedArray;
assertArrayEquals(message, expected, actual);
}