Merge "Delete accidentally submitted FontResourcesParser"
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Android (Google) Code Review
commit
c3f3595153
@@ -1,113 +0,0 @@
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.graphics;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Pattern;
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/**
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* Parser for xml type font resources.
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* @hide
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*/
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public class FontResourcesParser {
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private static final String ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
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/* Parse fallback list (no names) */
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public static FontListParser.Config parse(XmlPullParser parser)
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throws XmlPullParserException, IOException {
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int type;
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//noinspection StatementWithEmptyBody
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while ((type=parser.next()) != XmlPullParser.START_TAG
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&& type != XmlPullParser.END_DOCUMENT) {
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// Empty loop.
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}
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if (type != XmlPullParser.START_TAG) {
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throw new XmlPullParserException("No start tag found");
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}
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return readFamilies(parser);
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}
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private static FontListParser.Config readFamilies(XmlPullParser parser)
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throws XmlPullParserException, IOException {
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FontListParser.Config config = new FontListParser.Config();
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parser.require(XmlPullParser.START_TAG, null, "font-family");
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String tag = parser.getName();
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if (tag.equals("font-family")) {
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config.families.add(readFamily(parser));
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} else {
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skip(parser);
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}
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return config;
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}
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private static FontListParser.Family readFamily(XmlPullParser parser)
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throws XmlPullParserException, IOException {
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String name = parser.getAttributeValue(null, "name");
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String lang = parser.getAttributeValue(null, "lang");
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String variant = parser.getAttributeValue(null, "variant");
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List<FontListParser.Font> fonts = new ArrayList<>();
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while (parser.next() != XmlPullParser.END_TAG) {
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if (parser.getEventType() != XmlPullParser.START_TAG) continue;
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String tag = parser.getName();
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if (tag.equals("font")) {
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fonts.add(readFont(parser));
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} else {
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skip(parser);
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}
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}
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return new FontListParser.Family(name, fonts, lang, variant);
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}
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/** Matches leading and trailing XML whitespace. */
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private static final Pattern FILENAME_WHITESPACE_PATTERN =
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Pattern.compile("^[ \\n\\r\\t]+|[ \\n\\r\\t]+$");
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private static FontListParser.Font readFont(XmlPullParser parser)
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throws XmlPullParserException, IOException {
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List<FontListParser.Axis> axes = new ArrayList<>();
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String weightStr = parser.getAttributeValue(ANDROID_NAMESPACE, "fontWeight");
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int weight = weightStr == null ? 400 : Integer.parseInt(weightStr);
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boolean isItalic = "italic".equals(
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parser.getAttributeValue(ANDROID_NAMESPACE, "fontStyle"));
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String filename = parser.getAttributeValue(ANDROID_NAMESPACE, "font");
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String fullFilename = FILENAME_WHITESPACE_PATTERN.matcher(filename).replaceAll("");
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return new FontListParser.Font(fullFilename, 0, axes, weight, isItalic);
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}
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private static void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
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int depth = 1;
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while (depth > 0) {
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switch (parser.next()) {
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case XmlPullParser.START_TAG:
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depth++;
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break;
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case XmlPullParser.END_TAG:
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depth--;
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break;
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}
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}
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}
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}
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