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Support @string reference in moreKeys attribute 

Change-Id: If0056d0601149d2ddd0e231a81e7b2409b37fc06
main
Tadashi G. Takaoka 2012-01-20 16:19:51 +09:00
parent 3eede315dc
commit e54a4005d5
5 changed files with 281 additions and 31 deletions
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37
java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
View File

@ -16,11 +16,13 @@
package com.android.inputmethod.keyboard.internal;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.util.Log;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.Utils;
import com.android.inputmethod.latin.XmlParseUtils;
import org.xmlpull.v1.XmlPullParser;
@ -30,15 +32,13 @@ import java.util.ArrayList;
import java.util.HashMap;
public class KeyStyles {
private static final String TAG = "KeyStyles";
private static final String TAG = KeyStyles.class.getSimpleName();
private static final boolean DEBUG = false;
private final HashMap<String, DeclaredKeyStyle> mStyles =
new HashMap<String, DeclaredKeyStyle>();
private static final KeyStyle EMPTY_KEY_STYLE = new EmptyKeyStyle();
private static final char ESCAPE_CHAR = '\\';
public interface KeyStyle {
public String[] getTextArray(TypedArray a, int index);
public CharSequence getText(TypedArray a, int index);
@ -75,23 +75,30 @@ public class KeyStyles {
if (!a.hasValue(index))
return null;
final CharSequence text = a.getText(index);
return parseCsvText(text.toString());
return parseCsvText(text.toString(), a.getResources(), R.string.english_ime_name);
}
}
/* package for test */
static String[] parseCsvText(String text) {
static String[] parseCsvText(String rawText, Resources res, int packageNameResId) {
final String text = Utils.resolveStringResource(rawText, res, packageNameResId);
final int size = text.length();
if (size == 0) return null;
if (size == 1) return new String[] { text };
if (size == 0) {
return null;
}
if (size == 1) {
return new String[] { text };
}
final StringBuilder sb = new StringBuilder();
ArrayList<String> list = null;
int start = 0;
for (int pos = 0; pos < size; pos++) {
final char c = text.charAt(pos);
if (c == ',') {
if (list == null) list = new ArrayList<String>();
if (list == null) {
list = new ArrayList<String>();
}
if (sb.length() == 0) {
list.add(text.substring(start, pos));
} else {
@ -100,24 +107,28 @@ public class KeyStyles {
}
start = pos + 1;
continue;
} else if (c == ESCAPE_CHAR) {
} else if (c == Utils.ESCAPE_CHAR) {
if (start == pos) {
// Skip escape character at the beginning of the value.
start++;
pos++;
} else {
if (start < pos && sb.length() == 0)
if (start < pos && sb.length() == 0) {
sb.append(text.subSequence(start, pos));
}
pos++;
if (pos < size)
if (pos < size) {
sb.append(text.charAt(pos));
}
}
} else if (sb.length() > 0) {
sb.append(c);
}
}
if (list == null) {
return new String[] { sb.length() > 0 ? sb.toString() : text.substring(start) };
return new String[] {
sb.length() > 0 ? sb.toString() : text.substring(start)
};
} else {
list.add(sb.length() > 0 ? sb.toString() : text.substring(start));
return list.toArray(new String[list.size()]);

25
java/src/com/android/inputmethod/keyboard/internal/MoreKeySpecParser.java
View File

@ -41,11 +41,9 @@ import java.util.ArrayList;
public class MoreKeySpecParser {
private static final String TAG = MoreKeySpecParser.class.getSimpleName();
private static final char ESCAPE_CHAR = '\\';
private static final String LABEL_END = "|";
private static final String PREFIX_AT = "@";
private static final String PREFIX_ICON = PREFIX_AT + "icon/";
private static final String PREFIX_CODE = PREFIX_AT + "integer/";
private static final char LABEL_END = '|';
private static final String PREFIX_ICON = Utils.PREFIX_AT + "icon" + Utils.SUFFIX_SLASH;
private static final String PREFIX_CODE = Utils.PREFIX_AT + "integer" + Utils.SUFFIX_SLASH;
private MoreKeySpecParser() {
// Intentional empty constructor for utility class.
@ -72,14 +70,14 @@ public class MoreKeySpecParser {
}
private static String parseEscape(String text) {
if (text.indexOf(ESCAPE_CHAR) < 0) {
if (text.indexOf(Utils.ESCAPE_CHAR) < 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 == Utils.ESCAPE_CHAR && pos + 1 < length) {
sb.append(text.charAt(++pos));
} else {
sb.append(c);
@ -89,7 +87,7 @@ public class MoreKeySpecParser {
}
private static int indexOfLabelEnd(String moreKeySpec, int start) {
if (moreKeySpec.indexOf(ESCAPE_CHAR, start) < 0) {
if (moreKeySpec.indexOf(Utils.ESCAPE_CHAR, start) < 0) {
final int end = moreKeySpec.indexOf(LABEL_END, start);
if (end == 0) {
throw new MoreKeySpecParserError(LABEL_END + " at " + start + ": " + moreKeySpec);
@ -99,9 +97,9 @@ public class MoreKeySpecParser {
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 == Utils.ESCAPE_CHAR && pos + 1 < length) {
pos++;
} else if (moreKeySpec.startsWith(LABEL_END, pos)) {
} else if (c == LABEL_END) {
return pos;
}
}
@ -131,7 +129,8 @@ public class MoreKeySpecParser {
throw new MoreKeySpecParserError("Multiple " + LABEL_END + ": "
+ moreKeySpec);
}
final String outputText = parseEscape(moreKeySpec.substring(end + LABEL_END.length()));
final String outputText = parseEscape(
moreKeySpec.substring(end + /* LABEL_END */1));
if (!TextUtils.isEmpty(outputText)) {
return outputText;
}
@ -152,7 +151,7 @@ public class MoreKeySpecParser {
throw new MoreKeySpecParserError("Multiple " + LABEL_END + ": " + moreKeySpec);
}
final int resId = Utils.getResourceId(res,
moreKeySpec.substring(end + LABEL_END.length() + PREFIX_AT.length()),
moreKeySpec.substring(end + /* LABEL_END */1 + /* PREFIX_AT */1),
R.string.english_ime_name);
final int code = res.getInteger(resId);
return code;
@ -170,7 +169,7 @@ public class MoreKeySpecParser {
public static int getIconId(String moreKeySpec) {
if (hasIcon(moreKeySpec)) {
int end = moreKeySpec.indexOf(LABEL_END, PREFIX_ICON.length() + 1);
final int end = moreKeySpec.indexOf(LABEL_END, PREFIX_ICON.length() + 1);
final String iconId = moreKeySpec.substring(PREFIX_ICON.length(), end);
try {
return Integer.valueOf(iconId);

55
java/src/com/android/inputmethod/latin/Utils.java
View File

@ -62,6 +62,12 @@ public class Utils {
private static boolean DBG = LatinImeLogger.sDBG;
private static boolean DBG_EDIT_DISTANCE = false;
// Constants for resource name parsing.
public static final char ESCAPE_CHAR = '\\';
public static final char PREFIX_AT = '@';
public static final char SUFFIX_SLASH = '/';
private static final String PREFIX_STRING = PREFIX_AT + "string";
private Utils() {
// Intentional empty constructor for utility class.
}
@ -802,4 +808,53 @@ public class Utils {
}
return resId;
}
public static String resolveStringResource(String text, Resources res, int packageNameResId) {
final int size = text.length();
if (size < PREFIX_STRING.length()) {
return text;
}
StringBuilder sb = null;
for (int pos = 0; pos < size; pos++) {
final char c = text.charAt(pos);
if (c == PREFIX_AT && text.startsWith(PREFIX_STRING, pos)) {
if (sb == null) {
sb = new StringBuilder(text.substring(0, pos));
}
final int end = Utils.searchResourceNameEnd(text, pos + PREFIX_STRING.length());
final String resName = text.substring(pos + 1, end);
final int resId = getResourceId(res, resName, packageNameResId);
sb.append(res.getString(resId));
pos = end - 1;
} else if (c == ESCAPE_CHAR) {
pos++;
if (sb != null) {
sb.append(c);
if (pos < size) {
sb.append(text.charAt(pos));
}
}
} else if (sb != null) {
sb.append(c);
}
}
return (sb == null) ? text : sb.toString();
}
private static int searchResourceNameEnd(String text, int start) {
final int size = text.length();
if (start >= size || text.charAt(start) != SUFFIX_SLASH) {
throw new RuntimeException("Resource name not specified");
}
for (int pos = start + 1; pos < size; pos++) {
final char c = text.charAt(pos);
// String resource name should be consisted of [a-z_0-9].
if ((c >= 'a' && c <= 'z') || c == '_' || (c >= '0' && c <= '9')) {
continue;
}
return pos;
}
return size;
}
}

50
tests/res/values/strings.xml Normal file
View File

@ -0,0 +1,50 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2012, 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.
*/
-->
<resources>
<string name="empty_string">""</string>
<string name="single_char">"a"</string>
<string name="space">" "</string>
<string name="single_label">"abc"</string>
<string name="spaces">" "</string>
<string name="spaces_in_label">"a b c"</string>
<string name="spaces_at_beginning_of_label">" abc"</string>
<string name="spaces_at_end_of_label">"abc "</string>
<string name="label_surrounded_by_spaces">" abc "</string>
<string name="escaped_char">"\\a"</string>
<string name="escaped_comma">"\\,"</string>
<string name="escaped_escape">"\\\\"</string>
<string name="escaped_label">"a\\bc"</string>
<string name="escaped_label_at_beginning">"\\abc"</string>
<string name="escaped_label_with_comma">"a\\,c"</string>
<string name="escaped_label_with_comma_at_beginning">"\\,bc"</string>
<string name="escaped_label_with_successive">"\\,\\\\bc"</string>
<string name="escaped_label_with_escape">"a\\\\c"</string>
<string name="multiple_chars">"a,b,c"</string>
<string name="multiple_chars_surrounded_by_spaces">" a , b , c "</string>
<string name="multiple_labels">"abc,def,ghi"</string>
<string name="multiple_labels_surrounded_by_spaces">" abc , def , ghi "</string>
<string name="multiple_chars_with_comma">"a,\\,,c"</string>
<string name="multiple_chars_with_comma_surrounded_by_spaces">" a , \\, , c "</string>
<string name="multiple_labels_with_escape">"\\abc,d\\ef,gh\\i"</string>
<string name="multiple_labels_with_escape_surrounded_by_spaces">" \\abc , d\\ef , gh\\i "</string>
<string name="multiple_labels_with_comma_and_escape">"ab\\\\,d\\\\\\,,g\\,i"</string>
<string name="multiple_labels_with_comma_and_escape_surrounded_by_spaces">" ab\\\\ , d\\\\\\, , g\\,i "</string>
</resources>

145
tests/src/com/android/inputmethod/keyboard/internal/KeyStylesTests.java
View File

@ -16,27 +16,53 @@
package com.android.inputmethod.keyboard.internal;
import android.content.res.Resources;
import android.test.AndroidTestCase;
import android.text.TextUtils;
import com.android.inputmethod.latin.tests.R;
import java.util.Arrays;
public class KeyStylesTests extends AndroidTestCase {
private Resources mTestResources;
@Override
protected void setUp() throws Exception {
super.setUp();
mTestResources = getTestContext().getResources();
}
private static String format(String message, Object expected, Object actual) {
return message + " expected:<" + expected + "> but was:<" + actual + ">";
}
private static void assertTextArray(String message, String value, String ... expected) {
final String actual[] = KeyStyles.parseCsvText(value);
private void assertTextArray(String message, String value, String ... expected) {
final String actual[] = KeyStyles.parseCsvText(value, mTestResources,
R.string.empty_string);
if (expected.length == 0) {
assertNull(message, actual);
return;
}
assertSame(message + ": result length", expected.length, actual.length);
assertEquals(message + ": expected=" + Arrays.toString(expected)
+ " actual=" + Arrays.toString(actual)
+ ": result length", expected.length, actual.length);
for (int i = 0; i < actual.length; i++) {
final boolean equals = TextUtils.equals(expected[i], actual[i]);
assertTrue(format(message + ": result at " + i + ":", expected[i], actual[i]), equals);
}
}
private void assertError(String message, String value, String ... expected) {
try {
assertTextArray(message, value, expected);
fail(message);
} catch (Exception pcpe) {
// success.
}
}
public void testParseCsvTextZero() {
assertTextArray("Empty string", "");
}
@ -49,7 +75,10 @@ public class KeyStylesTests extends AndroidTestCase {
assertTextArray("Spaces in label", "a b c", "a b c");
assertTextArray("Spaces at beginning of label", " abc", " abc");
assertTextArray("Spaces at end of label", "abc ", "abc ");
assertTextArray("label surrounded by spaces", " abc ", " abc ");
assertTextArray("Label surrounded by spaces", " abc ", " abc ");
assertTextArray("Incomplete resource reference 1", "string", "string");
assertTextArray("Incomplete resource reference 2", "@strin", "@strin");
}
public void testParseCsvTextSingleEscaped() {
@ -57,11 +86,13 @@ public class KeyStylesTests extends AndroidTestCase {
assertTextArray("Escaped comma", "\\,", ",");
assertTextArray("Escaped escape", "\\\\", "\\");
assertTextArray("Escaped label", "a\\bc", "abc");
assertTextArray("Escaped label at begininng", "\\abc", "abc");
assertTextArray("Escaped label at beginning", "\\abc", "abc");
assertTextArray("Escaped label with comma", "a\\,c", "a,c");
assertTextArray("Escaped label with comma at beginning", "\\,bc", ",bc");
assertTextArray("Escaped label with successive", "\\,\\\\bc", ",\\bc");
assertTextArray("Escaped label with escape", "a\\\\c", "a\\c");
assertTextArray("Escaped @string", "\\@string/empty_string", "@string/empty_string");
}
public void testParseCsvTextMulti() {
@ -83,5 +114,109 @@ public class KeyStylesTests extends AndroidTestCase {
"ab\\\\,d\\\\\\,,g\\,i", "ab\\", "d\\,", "g,i");
assertTextArray("Multiple labels with comma and escape surrounded by spaces",
" ab\\\\ , d\\\\\\, , g\\,i ", " ab\\ ", " d\\, ", " g,i ");
assertTextArray("Multiple escaped @string", "\\@,\\@string/empty_string",
"@", "@string/empty_string");
}
public void testParseCsvResourceError() {
assertError("Incomplete resource name 1", "@string", "@string");
assertError("Incomplete resource name 2", "@string/", "@string/");
assertError("Non existing resource", "@string/non_existing");
}
public void testParseCsvResourceZero() {
assertTextArray("Empty string",
"@string/empty_string");
}
public void testParseCsvResourceSingle() {
assertTextArray("Single char",
"@string/single_char", "a");
assertTextArray("Space",
"@string/space", " ");
assertTextArray("Single label",
"@string/single_label", "abc");
assertTextArray("Spaces",
"@string/spaces", " ");
assertTextArray("Spaces in label",
"@string/spaces_in_label", "a b c");
assertTextArray("Spaces at beginning of label",
"@string/spaces_at_beginning_of_label", " abc");
assertTextArray("Spaces at end of label",
"@string/spaces_at_end_of_label", "abc ");
assertTextArray("label surrounded by spaces",
"@string/label_surrounded_by_spaces", " abc ");
}
public void testParseCsvResourceSingleEscaped() {
assertTextArray("Escaped char",
"@string/escaped_char", "a");
assertTextArray("Escaped comma",
"@string/escaped_comma", ",");
assertTextArray("Escaped escape",
"@string/escaped_escape", "\\");
assertTextArray("Escaped label",
"@string/escaped_label", "abc");
assertTextArray("Escaped label at beginning",
"@string/escaped_label_at_beginning", "abc");
assertTextArray("Escaped label with comma",
"@string/escaped_label_with_comma", "a,c");
assertTextArray("Escaped label with comma at beginning",
"@string/escaped_label_with_comma_at_beginning", ",bc");
assertTextArray("Escaped label with successive",
"@string/escaped_label_with_successive", ",\\bc");
assertTextArray("Escaped label with escape",
"@string/escaped_label_with_escape", "a\\c");
}
public void testParseCsvResourceMulti() {
assertTextArray("Multiple chars",
"@string/multiple_chars", "a", "b", "c");
assertTextArray("Multiple chars surrounded by spaces",
"@string/multiple_chars_surrounded_by_spaces",
" a ", " b ", " c ");
assertTextArray("Multiple labels",
"@string/multiple_labels", "abc", "def", "ghi");
assertTextArray("Multiple labels surrounded by spaces",
"@string/multiple_labels_surrounded_by_spaces", " abc ", " def ", " ghi ");
}
public void testParseCsvResourcetMultiEscaped() {
assertTextArray("Multiple chars with comma",
"@string/multiple_chars_with_comma",
"a", ",", "c");
assertTextArray("Multiple chars with comma surrounded by spaces",
"@string/multiple_chars_with_comma_surrounded_by_spaces",
" a ", " , ", " c ");
assertTextArray("Multiple labels with escape",
"@string/multiple_labels_with_escape",
"abc", "def", "ghi");
assertTextArray("Multiple labels with escape surrounded by spaces",
"@string/multiple_labels_with_escape_surrounded_by_spaces",
" abc ", " def ", " ghi ");
assertTextArray("Multiple labels with comma and escape",
"@string/multiple_labels_with_comma_and_escape",
"ab\\", "d\\,", "g,i");
assertTextArray("Multiple labels with comma and escape surrounded by spaces",
"@string/multiple_labels_with_comma_and_escape_surrounded_by_spaces",
" ab\\ ", " d\\, ", " g,i ");
}
public void testParseMultipleResources() {
assertTextArray("Literals and resources",
"1,@string/multiple_chars,z", "1", "a", "b", "c", "z");
assertTextArray("Multiple single resource chars and labels",
"@string/single_char,@string/single_label,@string/escaped_comma",
"a", "abc", ",");
assertTextArray("Multiple multiple resource chars and labels",
"@string/multiple_chars,@string/multiple_labels,@string/multiple_chars_with_comma",
"a", "b", "c", "abc", "def", "ghi", "a", ",", "c");
assertTextArray("Concatenated resources",
"@string/multiple_chars@string/multiple_labels@string/multiple_chars_with_comma",
"a", "b", "cabc", "def", "ghia", ",", "c");
assertTextArray("Concatenated resource and literal",
"abc@string/multiple_labels",
"abcabc", "def", "ghi");
}
}