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am 2ae7e53c: Merge "Move some methods to MoreKeySpec class" 

* commit '2ae7e53c77108cf597c9aeeae494a53d5f339117':
  Move some methods to MoreKeySpec class
main
Tadashi G. Takaoka 2014-01-31 08:21:50 -08:00 committed by Android Git Automerger
parent 91f67df440 2ae7e53c77
commit 888082f8fc
12 changed files with 322 additions and 298 deletions
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12
java/src/com/android/inputmethod/keyboard/Key.java
View File

@ -284,19 +284,19 @@ public class Key implements Comparable<Key> {
int moreKeysColumn = style.getInt(keyAttr,
R.styleable.Keyboard_Key_maxMoreKeysColumn, params.mMaxMoreKeysKeyboardColumn);
int value;
if ((value = KeySpecParser.getIntValue(moreKeys, MORE_KEYS_AUTO_COLUMN_ORDER, -1)) > 0) {
if ((value = MoreKeySpec.getIntValue(moreKeys, MORE_KEYS_AUTO_COLUMN_ORDER, -1)) > 0) {
moreKeysColumn = value & MORE_KEYS_COLUMN_MASK;
}
if ((value = KeySpecParser.getIntValue(moreKeys, MORE_KEYS_FIXED_COLUMN_ORDER, -1)) > 0) {
if ((value = MoreKeySpec.getIntValue(moreKeys, MORE_KEYS_FIXED_COLUMN_ORDER, -1)) > 0) {
moreKeysColumn = MORE_KEYS_FLAGS_FIXED_COLUMN_ORDER | (value & MORE_KEYS_COLUMN_MASK);
}
if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_HAS_LABELS)) {
if (MoreKeySpec.getBooleanValue(moreKeys, MORE_KEYS_HAS_LABELS)) {
moreKeysColumn |= MORE_KEYS_FLAGS_HAS_LABELS;
}
if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_NEEDS_DIVIDERS)) {
if (MoreKeySpec.getBooleanValue(moreKeys, MORE_KEYS_NEEDS_DIVIDERS)) {
moreKeysColumn |= MORE_KEYS_FLAGS_NEEDS_DIVIDERS;
}
if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_NO_PANEL_AUTO_MORE_KEY)) {
if (MoreKeySpec.getBooleanValue(moreKeys, MORE_KEYS_NO_PANEL_AUTO_MORE_KEY)) {
moreKeysColumn |= MORE_KEYS_FLAGS_NO_PANEL_AUTO_MORE_KEY;
}
mMoreKeysColumnAndFlags = moreKeysColumn;
@ -308,7 +308,7 @@ public class Key implements Comparable<Key> {
additionalMoreKeys = style.getStringArray(keyAttr,
R.styleable.Keyboard_Key_additionalMoreKeys);
}
moreKeys = KeySpecParser.insertAdditionalMoreKeys(moreKeys, additionalMoreKeys);
moreKeys = MoreKeySpec.insertAdditionalMoreKeys(moreKeys, additionalMoreKeys);
if (moreKeys != null) {
actionFlags |= ACTION_FLAGS_ENABLE_LONG_PRESS;
mMoreKeys = new MoreKeySpec[moreKeys.length];

22
java/src/com/android/inputmethod/keyboard/internal/CodesArrayParser.java
View File

@ -17,6 +17,7 @@
package com.android.inputmethod.keyboard.internal;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.utils.StringUtils;
import android.text.TextUtils;
@ -29,15 +30,16 @@ import android.text.TextUtils;
* marker. An output text may consist of multiple code points separated by comma.
* The format of the codesArray element should be:
* <pre>
* codePointInHex[,codePoint2InHex]*(|outputTextCodePointInHex[,outputTextCodePoint2InHex]*)?
* label1[,label2]*(|outputText1[,outputText2]*(|minSupportSdkVersion)?)?
* </pre>
*/
// TODO: Write unit tests for this class.
public final class CodesArrayParser {
// Constants for parsing.
private static final char COMMA = ',';
private static final String VERTICAL_BAR_STRING = "\\|";
private static final String COMMA_STRING = ",";
private static final char COMMA = Constants.CODE_COMMA;
private static final String COMMA_REGEX = StringUtils.newSingleCodePointString(COMMA);
private static final String VERTICAL_BAR_REGEX = // "\\|"
new String(new char[] { Constants.CODE_BACKSLASH, Constants.CODE_VERTICAL_BAR });
private static final int BASE_HEX = 16;
private CodesArrayParser() {
@ -45,7 +47,7 @@ public final class CodesArrayParser {
}
private static String getLabelSpec(final String codesArraySpec) {
final String[] strs = codesArraySpec.split(VERTICAL_BAR_STRING, -1);
final String[] strs = codesArraySpec.split(VERTICAL_BAR_REGEX, -1);
if (strs.length <= 1) {
return codesArraySpec;
}
@ -55,7 +57,7 @@ public final class CodesArrayParser {
public static String parseLabel(final String codesArraySpec) {
final String labelSpec = getLabelSpec(codesArraySpec);
final StringBuilder sb = new StringBuilder();
for (final String codeInHex : labelSpec.split(COMMA_STRING)) {
for (final String codeInHex : labelSpec.split(COMMA_REGEX)) {
final int codePoint = Integer.parseInt(codeInHex, BASE_HEX);
sb.appendCodePoint(codePoint);
}
@ -63,17 +65,15 @@ public final class CodesArrayParser {
}
private static String getCodeSpec(final String codesArraySpec) {
final String[] strs = codesArraySpec.split(VERTICAL_BAR_STRING, -1);
final String[] strs = codesArraySpec.split(VERTICAL_BAR_REGEX, -1);
if (strs.length <= 1) {
return codesArraySpec;
}
return TextUtils.isEmpty(strs[1]) ? strs[0] : strs[1];
}
// codesArraySpec consists of:
// <label>|<code0>,<code1>,...|<minSupportSdkVersion>
public static int getMinSupportSdkVersion(final String codesArraySpec) {
final String[] strs = codesArraySpec.split(VERTICAL_BAR_STRING, -1);
final String[] strs = codesArraySpec.split(VERTICAL_BAR_REGEX, -1);
if (strs.length <= 2) {
return 0;
}
@ -98,7 +98,7 @@ public final class CodesArrayParser {
return null;
}
final StringBuilder sb = new StringBuilder();
for (final String codeInHex : codeSpec.split(COMMA_STRING)) {
for (final String codeInHex : codeSpec.split(COMMA_REGEX)) {
final int codePoint = Integer.parseInt(codeInHex, BASE_HEX);
sb.appendCodePoint(codePoint);
}

320
java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
View File

@ -19,106 +19,46 @@ package com.android.inputmethod.keyboard.internal;
import static com.android.inputmethod.latin.Constants.CODE_OUTPUT_TEXT;
import static com.android.inputmethod.latin.Constants.CODE_UNSPECIFIED;
import android.text.TextUtils;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.utils.StringUtils;
import java.util.ArrayList;
import java.util.Arrays;
/**
* The string parser of more keys specification.
* The specification is comma separated texts each of which represents one "more key".
* The specification might have label or string resource reference in it. These references are
* expanded before parsing comma.
* - Label reference should be a string representation of label (!text/label_name)
* - String resource reference should be a string representation of resource (!text/resource_name)
* Each "more key" specification is one of the following:
* - Label optionally followed by keyOutputText or code (keyLabel|keyOutputText).
* - Icon followed by keyOutputText or code (!icon/icon_name|!code/code_name)
* - Icon should be a string representation of icon (!icon/icon_name).
* - Code should be a code point presented by hexadecimal string prefixed with "0x", or a string
* representation of code (!code/code_name).
* The string parser of the key specification.
*
* Each key specification is one of the following:
* - Label optionally followed by keyOutputText (keyLabel|keyOutputText).
* - Label optionally followed by code point (keyLabel|!code/code_name).
* - Icon followed by keyOutputText (!icon/icon_name|keyOutputText).
* - Icon followed by code point (!icon/icon_name|!code/code_name).
* Label and keyOutputText are one of the following:
* - Literal string.
* - Label reference represented by (!text/label_name), see {@link KeyboardTextsSet}.
* - String resource reference represented by (!text/resource_name), see {@link KeyboardTextsSet}.
* Icon is represented by (!icon/icon_name), see {@link KeyboardIconsSet}.
* Code is one of the following:
* - Code point presented by hexadecimal string prefixed with "0x"
* - Code reference represented by (!code/code_name), see {@link KeyboardCodesSet}.
* Special character, comma ',' backslash '\', and bar '|' can be escaped by '\' character.
* Note that the '\' is also parsed by XML parser and CSV parser as well.
* See {@link KeyboardIconsSet} about icon_name.
* Note that the '\' is also parsed by XML parser and {@link MoreKeySpec#splitKeySpecs(String)}
* as well.
*/
public final class KeySpecParser {
private static final boolean DEBUG = LatinImeLogger.sDBG;
// Constants for parsing.
private static final char COMMA = ',';
private static final char BACKSLASH = '\\';
private static final char VERTICAL_BAR = '|';
private static final char BACKSLASH = Constants.CODE_BACKSLASH;
private static final char VERTICAL_BAR = Constants.CODE_VERTICAL_BAR;
private static final String PREFIX_HEX = "0x";
private static final String ADDITIONAL_MORE_KEY_MARKER = "%";
private 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) {
if (TextUtils.isEmpty(text)) {
return null;
}
final int size = text.length();
// Optimization for one-letter key specification.
if (size == 1) {
return text.charAt(0) == COMMA ? null : new String[] { text };
private static boolean hasIcon(final String keySpec) {
return keySpec.startsWith(KeyboardIconsSet.PREFIX_ICON);
}
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(KeyboardIconsSet.PREFIX_ICON);
}
private static boolean hasCode(final String moreKeySpec) {
final int end = indexOfLabelEnd(moreKeySpec, 0);
if (end > 0 && end + 1 < moreKeySpec.length() && moreKeySpec.startsWith(
private static boolean hasCode(final String keySpec) {
final int end = indexOfLabelEnd(keySpec, 0);
if (end > 0 && end + 1 < keySpec.length() && keySpec.startsWith(
KeyboardCodesSet.PREFIX_CODE, end + 1)) {
return true;
}
@ -144,17 +84,17 @@ public final class KeySpecParser {
return sb.toString();
}
private static int indexOfLabelEnd(final String moreKeySpec, final int start) {
if (moreKeySpec.indexOf(BACKSLASH, start) < 0) {
final int end = moreKeySpec.indexOf(VERTICAL_BAR, start);
private static int indexOfLabelEnd(final String keySpec, final int start) {
if (keySpec.indexOf(BACKSLASH, start) < 0) {
final int end = keySpec.indexOf(VERTICAL_BAR, start);
if (end == 0) {
throw new KeySpecParserError(VERTICAL_BAR + " at " + start + ": " + moreKeySpec);
throw new KeySpecParserError(VERTICAL_BAR + " at " + start + ": " + keySpec);
}
return end;
}
final int length = moreKeySpec.length();
final int length = keySpec.length();
for (int pos = start; pos < length; pos++) {
final char c = moreKeySpec.charAt(pos);
final char c = keySpec.charAt(pos);
if (c == BACKSLASH && pos + 1 < length) {
// Skip escape char
pos++;
@ -165,63 +105,63 @@ public final class KeySpecParser {
return -1;
}
public static String getLabel(final String moreKeySpec) {
if (hasIcon(moreKeySpec)) {
public static String getLabel(final String keySpec) {
if (hasIcon(keySpec)) {
return null;
}
final int end = indexOfLabelEnd(moreKeySpec, 0);
final String label = (end > 0) ? parseEscape(moreKeySpec.substring(0, end))
: parseEscape(moreKeySpec);
if (TextUtils.isEmpty(label)) {
throw new KeySpecParserError("Empty label: " + moreKeySpec);
final int end = indexOfLabelEnd(keySpec, 0);
final String label = (end > 0) ? parseEscape(keySpec.substring(0, end))
: parseEscape(keySpec);
if (label.isEmpty()) {
throw new KeySpecParserError("Empty label: " + keySpec);
}
return label;
}
private static String getOutputTextInternal(final String moreKeySpec) {
final int end = indexOfLabelEnd(moreKeySpec, 0);
private static String getOutputTextInternal(final String keySpec) {
final int end = indexOfLabelEnd(keySpec, 0);
if (end <= 0) {
return null;
}
if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) {
throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + moreKeySpec);
if (indexOfLabelEnd(keySpec, end + 1) >= 0) {
throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + keySpec);
}
return parseEscape(moreKeySpec.substring(end + /* VERTICAL_BAR */1));
return parseEscape(keySpec.substring(end + /* VERTICAL_BAR */1));
}
static String getOutputText(final String moreKeySpec) {
if (hasCode(moreKeySpec)) {
public static String getOutputText(final String keySpec) {
if (hasCode(keySpec)) {
return null;
}
final String outputText = getOutputTextInternal(moreKeySpec);
final String outputText = getOutputTextInternal(keySpec);
if (outputText != null) {
if (StringUtils.codePointCount(outputText) == 1) {
// If output text is one code point, it should be treated as a code.
// See {@link #getCode(Resources, String)}.
return null;
}
if (!TextUtils.isEmpty(outputText)) {
if (outputText.isEmpty()) {
throw new KeySpecParserError("Empty outputText: " + keySpec);
}
return outputText;
}
throw new KeySpecParserError("Empty outputText: " + moreKeySpec);
}
final String label = getLabel(moreKeySpec);
final String label = getLabel(keySpec);
if (label == null) {
throw new KeySpecParserError("Empty label: " + moreKeySpec);
throw new KeySpecParserError("Empty label: " + keySpec);
}
// Code is automatically generated for one letter label. See {@link getCode()}.
return (StringUtils.codePointCount(label) == 1) ? null : label;
}
static int getCode(final String moreKeySpec, final KeyboardCodesSet codesSet) {
if (hasCode(moreKeySpec)) {
final int end = indexOfLabelEnd(moreKeySpec, 0);
if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) {
throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + moreKeySpec);
public static int getCode(final String keySpec, final KeyboardCodesSet codesSet) {
if (hasCode(keySpec)) {
final int end = indexOfLabelEnd(keySpec, 0);
if (indexOfLabelEnd(keySpec, end + 1) >= 0) {
throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + keySpec);
}
return parseCode(moreKeySpec.substring(end + 1), codesSet, CODE_UNSPECIFIED);
return parseCode(keySpec.substring(end + 1), codesSet, CODE_UNSPECIFIED);
}
final String outputText = getOutputTextInternal(moreKeySpec);
final String outputText = getOutputTextInternal(keySpec);
if (outputText != null) {
// If output text is one code point, it should be treated as a code.
// See {@link #getOutputText(String)}.
@ -230,7 +170,7 @@ public final class KeySpecParser {
}
return CODE_OUTPUT_TEXT;
}
final String label = getLabel(moreKeySpec);
final String label = getLabel(keySpec);
// Code is automatically generated for one letter label.
if (StringUtils.codePointCount(label) == 1) {
return label.codePointAt(0);
@ -250,154 +190,22 @@ public final class KeySpecParser {
}
}
public static int getIconId(final String moreKeySpec) {
if (moreKeySpec != null && hasIcon(moreKeySpec)) {
final int end = moreKeySpec.indexOf(
public static int getIconId(final String keySpec) {
if (keySpec != null && hasIcon(keySpec)) {
final int end = keySpec.indexOf(
VERTICAL_BAR, KeyboardIconsSet.PREFIX_ICON.length());
final String name = (end < 0)
? moreKeySpec.substring(KeyboardIconsSet.PREFIX_ICON.length())
: moreKeySpec.substring(KeyboardIconsSet.PREFIX_ICON.length(), end);
? keySpec.substring(KeyboardIconsSet.PREFIX_ICON.length())
: keySpec.substring(KeyboardIconsSet.PREFIX_ICON.length(), end);
return KeyboardIconsSet.getIconId(name);
}
return KeyboardIconsSet.ICON_UNDEFINED;
}
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private static String[] filterOutEmptyString(final String[] array) {
if (array == null) {
return EMPTY_STRING_ARRAY;
}
ArrayList<String> out = null;
for (int i = 0; i < array.length; i++) {
final String entry = array[i];
if (TextUtils.isEmpty(entry)) {
if (out == null) {
out = CollectionUtils.arrayAsList(array, 0, i);
}
} else if (out != null) {
out.add(entry);
}
}
if (out == null) {
return array;
}
return out.toArray(new String[out.size()]);
}
public static String[] insertAdditionalMoreKeys(final String[] moreKeySpecs,
final String[] additionalMoreKeySpecs) {
final String[] moreKeys = filterOutEmptyString(moreKeySpecs);
final String[] additionalMoreKeys = filterOutEmptyString(additionalMoreKeySpecs);
final int moreKeysCount = moreKeys.length;
final int additionalCount = additionalMoreKeys.length;
ArrayList<String> out = null;
int additionalIndex = 0;
for (int moreKeyIndex = 0; moreKeyIndex < moreKeysCount; moreKeyIndex++) {
final String moreKeySpec = moreKeys[moreKeyIndex];
if (moreKeySpec.equals(ADDITIONAL_MORE_KEY_MARKER)) {
if (additionalIndex < additionalCount) {
// Replace '%' marker with additional more key specification.
final String additionalMoreKey = additionalMoreKeys[additionalIndex];
if (out != null) {
out.add(additionalMoreKey);
} else {
moreKeys[moreKeyIndex] = additionalMoreKey;
}
additionalIndex++;
} else {
// Filter out excessive '%' marker.
if (out == null) {
out = CollectionUtils.arrayAsList(moreKeys, 0, moreKeyIndex);
}
}
} else {
if (out != null) {
out.add(moreKeySpec);
}
}
}
if (additionalCount > 0 && additionalIndex == 0) {
// No '%' marker is found in more keys.
// Insert all additional more keys to the head of more keys.
if (DEBUG && out != null) {
throw new RuntimeException("Internal logic error:"
+ " moreKeys=" + Arrays.toString(moreKeys)
+ " additionalMoreKeys=" + Arrays.toString(additionalMoreKeys));
}
out = CollectionUtils.arrayAsList(additionalMoreKeys, additionalIndex, additionalCount);
for (int i = 0; i < moreKeysCount; i++) {
out.add(moreKeys[i]);
}
} else if (additionalIndex < additionalCount) {
// The number of '%' markers are less than additional more keys.
// Append remained additional more keys to the tail of more keys.
if (DEBUG && out != null) {
throw new RuntimeException("Internal logic error:"
+ " moreKeys=" + Arrays.toString(moreKeys)
+ " additionalMoreKeys=" + Arrays.toString(additionalMoreKeys));
}
out = CollectionUtils.arrayAsList(moreKeys, 0, moreKeysCount);
for (int i = additionalIndex; i < additionalCount; i++) {
out.add(additionalMoreKeys[additionalIndex]);
}
}
if (out == null && moreKeysCount > 0) {
return moreKeys;
} else if (out != null && out.size() > 0) {
return out.toArray(new String[out.size()]);
} else {
return null;
}
}
@SuppressWarnings("serial")
public static final class KeySpecParserError extends RuntimeException {
public KeySpecParserError(final String message) {
super(message);
}
}
public static int getIntValue(final String[] moreKeys, final String key,
final int defaultValue) {
if (moreKeys == null) {
return defaultValue;
}
final int keyLen = key.length();
boolean foundValue = false;
int value = defaultValue;
for (int i = 0; i < moreKeys.length; i++) {
final String moreKeySpec = moreKeys[i];
if (moreKeySpec == null || !moreKeySpec.startsWith(key)) {
continue;
}
moreKeys[i] = null;
try {
if (!foundValue) {
value = Integer.parseInt(moreKeySpec.substring(keyLen));
foundValue = true;
}
} catch (NumberFormatException e) {
throw new RuntimeException(
"integer should follow after " + key + ": " + moreKeySpec);
}
}
return value;
}
public static boolean getBooleanValue(final String[] moreKeys, final String key) {
if (moreKeys == null) {
return false;
}
boolean value = false;
for (int i = 0; i < moreKeys.length; i++) {
final String moreKeySpec = moreKeys[i];
if (moreKeySpec == null || !moreKeySpec.equals(key)) {
continue;
}
moreKeys[i] = null;
value = true;
}
return value;
}
}

2
java/src/com/android/inputmethod/keyboard/internal/KeyStyle.java
View File

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

3
java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
View File

@ -21,6 +21,7 @@ import android.content.res.Resources;
import android.text.TextUtils;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.utils.CollectionUtils;
import java.util.HashMap;
@ -47,7 +48,7 @@ import java.util.HashMap;
*/
public final class KeyboardTextsSet {
public static final String PREFIX_TEXT = "!text/";
private static final char BACKSLASH = '\\';
private static final char BACKSLASH = Constants.CODE_BACKSLASH;
private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;
// Language to texts map.

207
java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java
View File

@ -19,10 +19,25 @@ package com.android.inputmethod.keyboard.internal;
import android.text.TextUtils;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.utils.StringUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Locale;
/**
* The more key specification object. The more keys are an array of {@link MoreKeySpec}.
*
* The more keys specification is comma separated "key specification" each of which represents one
* "more key".
* The key specification might have label or string resource reference in it. These references are
* expanded before parsing comma.
* Special character, comma ',' backslash '\' can be escaped by '\' character.
* Note that the '\' is also parsed by XML parser and {@link MoreKeySpec#splitKeySpecs(String)}
* as well.
*/
public final class MoreKeySpec {
public final int mCode;
public final String mLabel;
@ -83,4 +98,196 @@ public final class MoreKeySpec {
return label + "|" + output;
}
}
private static final boolean DEBUG = LatinImeLogger.sDBG;
// Constants for parsing.
private static final char COMMA = Constants.CODE_COMMA;
private static final char BACKSLASH = Constants.CODE_BACKSLASH;
private static final String ADDITIONAL_MORE_KEY_MARKER =
StringUtils.newSingleCodePointString(Constants.CODE_PERCENT);
/**
* 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) {
if (TextUtils.isEmpty(text)) {
return null;
}
final int size = text.length();
// 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 final String[] EMPTY_STRING_ARRAY = new String[0];
private static String[] filterOutEmptyString(final String[] array) {
if (array == null) {
return EMPTY_STRING_ARRAY;
}
ArrayList<String> out = null;
for (int i = 0; i < array.length; i++) {
final String entry = array[i];
if (TextUtils.isEmpty(entry)) {
if (out == null) {
out = CollectionUtils.arrayAsList(array, 0, i);
}
} else if (out != null) {
out.add(entry);
}
}
if (out == null) {
return array;
}
return out.toArray(new String[out.size()]);
}
public static String[] insertAdditionalMoreKeys(final String[] moreKeySpecs,
final String[] additionalMoreKeySpecs) {
final String[] moreKeys = filterOutEmptyString(moreKeySpecs);
final String[] additionalMoreKeys = filterOutEmptyString(additionalMoreKeySpecs);
final int moreKeysCount = moreKeys.length;
final int additionalCount = additionalMoreKeys.length;
ArrayList<String> out = null;
int additionalIndex = 0;
for (int moreKeyIndex = 0; moreKeyIndex < moreKeysCount; moreKeyIndex++) {
final String moreKeySpec = moreKeys[moreKeyIndex];
if (moreKeySpec.equals(ADDITIONAL_MORE_KEY_MARKER)) {
if (additionalIndex < additionalCount) {
// Replace '%' marker with additional more key specification.
final String additionalMoreKey = additionalMoreKeys[additionalIndex];
if (out != null) {
out.add(additionalMoreKey);
} else {
moreKeys[moreKeyIndex] = additionalMoreKey;
}
additionalIndex++;
} else {
// Filter out excessive '%' marker.
if (out == null) {
out = CollectionUtils.arrayAsList(moreKeys, 0, moreKeyIndex);
}
}
} else {
if (out != null) {
out.add(moreKeySpec);
}
}
}
if (additionalCount > 0 && additionalIndex == 0) {
// No '%' marker is found in more keys.
// Insert all additional more keys to the head of more keys.
if (DEBUG && out != null) {
throw new RuntimeException("Internal logic error:"
+ " moreKeys=" + Arrays.toString(moreKeys)
+ " additionalMoreKeys=" + Arrays.toString(additionalMoreKeys));
}
out = CollectionUtils.arrayAsList(additionalMoreKeys, additionalIndex, additionalCount);
for (int i = 0; i < moreKeysCount; i++) {
out.add(moreKeys[i]);
}
} else if (additionalIndex < additionalCount) {
// The number of '%' markers are less than additional more keys.
// Append remained additional more keys to the tail of more keys.
if (DEBUG && out != null) {
throw new RuntimeException("Internal logic error:"
+ " moreKeys=" + Arrays.toString(moreKeys)
+ " additionalMoreKeys=" + Arrays.toString(additionalMoreKeys));
}
out = CollectionUtils.arrayAsList(moreKeys, 0, moreKeysCount);
for (int i = additionalIndex; i < additionalCount; i++) {
out.add(additionalMoreKeys[additionalIndex]);
}
}
if (out == null && moreKeysCount > 0) {
return moreKeys;
} else if (out != null && out.size() > 0) {
return out.toArray(new String[out.size()]);
} else {
return null;
}
}
public static int getIntValue(final String[] moreKeys, final String key,
final int defaultValue) {
if (moreKeys == null) {
return defaultValue;
}
final int keyLen = key.length();
boolean foundValue = false;
int value = defaultValue;
for (int i = 0; i < moreKeys.length; i++) {
final String moreKeySpec = moreKeys[i];
if (moreKeySpec == null || !moreKeySpec.startsWith(key)) {
continue;
}
moreKeys[i] = null;
try {
if (!foundValue) {
value = Integer.parseInt(moreKeySpec.substring(keyLen));
foundValue = true;
}
} catch (NumberFormatException e) {
throw new RuntimeException(
"integer should follow after " + key + ": " + moreKeySpec);
}
}
return value;
}
public static boolean getBooleanValue(final String[] moreKeys, final String key) {
if (moreKeys == null) {
return false;
}
boolean value = false;
for (int i = 0; i < moreKeys.length; i++) {
final String moreKeySpec = moreKeys[i];
if (moreKeySpec == null || !moreKeySpec.equals(key)) {
continue;
}
moreKeys[i] = null;
value = true;
}
return value;
}
}

2
java/src/com/android/inputmethod/latin/Constants.java
View File

@ -191,6 +191,8 @@ public final class Constants {
public static final int CODE_QUESTION_MARK = '?';
public static final int CODE_EXCLAMATION_MARK = '!';
public static final int CODE_SLASH = '/';
public static final int CODE_BACKSLASH = '\\';
public static final int CODE_VERTICAL_BAR = '|';
public static final int CODE_COMMERCIAL_AT = '@';
public static final int CODE_PLUS = '+';
public static final int CODE_PERCENT = '%';

3
java/src/com/android/inputmethod/latin/settings/SpacingAndPunctuations.java
View File

@ -19,6 +19,7 @@ package com.android.inputmethod.latin.settings;
import android.content.res.Resources;
import com.android.inputmethod.keyboard.internal.KeySpecParser;
import com.android.inputmethod.keyboard.internal.MoreKeySpec;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.R;
@ -55,7 +56,7 @@ public final class SpacingAndPunctuations {
res.getString(R.string.symbols_word_connectors));
mSortedWordSeparators = StringUtils.toSortedCodePointArray(
res.getString(R.string.symbols_word_separators));
final String[] suggestPuncsSpec = KeySpecParser.splitKeySpecs(res.getString(
final String[] suggestPuncsSpec = MoreKeySpec.splitKeySpecs(res.getString(
R.string.suggested_punctuations));
mSuggestPuncList = createSuggestPuncList(suggestPuncsSpec);
mSentenceSeparator = res.getInteger(R.integer.sentence_separator);

7
java/src/com/android/inputmethod/latin/utils/CsvUtils.java
View File

@ -17,6 +17,7 @@
package com.android.inputmethod.latin.utils;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.Constants;
import java.util.ArrayList;
@ -57,9 +58,9 @@ public final class CsvUtils {
// Note that none of these characters match high or low surrogate characters, so we need not
// take care of matching by code point.
private static final char COMMA = ',';
private static final char SPACE = ' ';
private static final char QUOTE = '"';
private static final char COMMA = Constants.CODE_COMMA;
private static final char SPACE = Constants.CODE_SPACE;
private static final char QUOTE = Constants.CODE_DOUBLE_QUOTE;
@SuppressWarnings("serial")
public static class CsvParseException extends RuntimeException {

4
tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserSplitTests.java → tests/src/com/android/inputmethod/keyboard/internal/MoreKeySpecSplitTests.java
View File

@ -31,7 +31,7 @@ import java.util.Arrays;
import java.util.Locale;
@MediumTest
public class KeySpecParserSplitTests extends InstrumentationTestCase {
public class MoreKeySpecSplitTests extends InstrumentationTestCase {
private static final Locale TEST_LOCALE = Locale.ENGLISH;
final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
@ -93,7 +93,7 @@ public class KeySpecParserSplitTests extends InstrumentationTestCase {
private void assertTextArray(final String message, final String value,
final String ... expectedArray) {
final String resolvedActual = mTextsSet.resolveTextReference(value);
final String[] actual = KeySpecParser.splitKeySpecs(resolvedActual);
final String[] actual = MoreKeySpec.splitKeySpecs(resolvedActual);
final String[] expected = (expectedArray.length == 0) ? null : expectedArray;
assertArrayEquals(message, expected, actual);
}

35
tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserTests.java → tests/src/com/android/inputmethod/keyboard/internal/MoreKeySpecTests.java
View File

@ -32,7 +32,7 @@ import java.util.Arrays;
import java.util.Locale;
@SmallTest
public class KeySpecParserTests extends AndroidTestCase {
public class MoreKeySpecTests extends AndroidTestCase {
private final static Locale TEST_LOCALE = Locale.ENGLISH;
final KeyboardCodesSet mCodesSet = new KeyboardCodesSet();
final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
@ -71,8 +71,9 @@ public class KeySpecParserTests extends AndroidTestCase {
mSettingsIconId = KeySpecParser.getIconId(ICON_SETTINGS);
}
private void assertParser(String message, String moreKeySpec, String expectedLabel,
String expectedOutputText, int expectedIcon, int expectedCode) {
private void assertParser(final String message, final String moreKeySpec,
final String expectedLabel, final String expectedOutputText, final int expectedIcon,
final int expectedCode) {
final String labelResolved = mTextsSet.resolveTextReference(moreKeySpec);
final MoreKeySpec spec = new MoreKeySpec(labelResolved, false /* needsToUpperCase */,
Locale.US, mCodesSet);
@ -86,8 +87,9 @@ public class KeySpecParserTests extends AndroidTestCase {
Constants.printableCode(spec.mCode));
}
private void assertParserError(String message, String moreKeySpec, String expectedLabel,
String expectedOutputText, int expectedIcon, int expectedCode) {
private void assertParserError(final String message, final String moreKeySpec,
final String expectedLabel, final String expectedOutputText, final int expectedIcon,
final int expectedCode) {
try {
assertParser(message, moreKeySpec, expectedLabel, expectedOutputText, expectedIcon,
expectedCode);
@ -339,7 +341,8 @@ public class KeySpecParserTests extends AndroidTestCase {
null, null, mSettingsIconId, mCodeSettings);
}
private static void assertArrayEquals(String message, Object[] expected, Object[] actual) {
private static void assertArrayEquals(final String message, final Object[] expected,
final Object[] actual) {
if (expected == actual) {
return;
}
@ -357,10 +360,9 @@ public class KeySpecParserTests extends AndroidTestCase {
}
}
private static void assertInsertAdditionalMoreKeys(String message, String[] moreKeys,
String[] additionalMoreKeys, String[] expected) {
final String[] actual =
KeySpecParser.insertAdditionalMoreKeys( moreKeys, additionalMoreKeys);
private static void assertInsertAdditionalMoreKeys(final String message,
final String[] moreKeys, final String[] additionalMoreKeys, final String[] expected) {
final String[] actual = MoreKeySpec.insertAdditionalMoreKeys(moreKeys, additionalMoreKeys);
assertArrayEquals(message, expected, actual);
}
@ -584,10 +586,10 @@ public class KeySpecParserTests extends AndroidTestCase {
private static final String AUTO_COLUMN_ORDER = "!autoColumnOrder!";
private static final String FIXED_COLUMN_ORDER = "!fixedColumnOrder!";
private static void assertGetBooleanValue(String message, String key, String[] moreKeys,
String[] expected, boolean expectedValue) {
private static void assertGetBooleanValue(final String message, final String key,
final String[] moreKeys, final String[] expected, final boolean expectedValue) {
final String[] actual = Arrays.copyOf(moreKeys, moreKeys.length);
final boolean actualValue = KeySpecParser.getBooleanValue(actual, key);
final boolean actualValue = MoreKeySpec.getBooleanValue(actual, key);
assertEquals(message + " [value]", expectedValue, actualValue);
assertArrayEquals(message, expected, actual);
}
@ -622,10 +624,11 @@ public class KeySpecParserTests extends AndroidTestCase {
"a", null, "b", NEEDS_DIVIDER, "!HASLABEL!", "d" }, true);
}
private static void assertGetIntValue(String message, String key, int defaultValue,
String[] moreKeys, String[] expected, int expectedValue) {
private static void assertGetIntValue(final String message, final String key,
final int defaultValue, final String[] moreKeys, final String[] expected,
final int expectedValue) {
final String[] actual = Arrays.copyOf(moreKeys, moreKeys.length);
final int actualValue = KeySpecParser.getIntValue(actual, key, defaultValue);
final int actualValue = MoreKeySpec.getIntValue(actual, key, defaultValue);
assertEquals(message + " [value]", expectedValue, actualValue);
assertArrayEquals(message, expected, actual);
}

3
tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
View File

@ -21,6 +21,7 @@ import android.content.res.Resources;
import android.text.TextUtils;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.utils.CollectionUtils;
import java.util.HashMap;
@ -47,7 +48,7 @@ import java.util.HashMap;
*/
public final class KeyboardTextsSet {
public static final String PREFIX_TEXT = "!text/";
private static final char BACKSLASH = '\\';
private static final char BACKSLASH = Constants.CODE_BACKSLASH;
private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;
// Language to texts map.