Merge "Delete accidentally submitted FontResourcesParser"

This commit is contained in:
TreeHugger Robot
2017-01-23 17:51:29 +00:00
committed by Android (Google) Code Review

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@@ -1,113 +0,0 @@
/*
* Copyright (C) 2017 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.
*/
package android.graphics;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
/**
* Parser for xml type font resources.
* @hide
*/
public class FontResourcesParser {
private static final String ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
/* Parse fallback list (no names) */
public static FontListParser.Config parse(XmlPullParser parser)
throws XmlPullParserException, IOException {
int type;
//noinspection StatementWithEmptyBody
while ((type=parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
// Empty loop.
}
if (type != XmlPullParser.START_TAG) {
throw new XmlPullParserException("No start tag found");
}
return readFamilies(parser);
}
private static FontListParser.Config readFamilies(XmlPullParser parser)
throws XmlPullParserException, IOException {
FontListParser.Config config = new FontListParser.Config();
parser.require(XmlPullParser.START_TAG, null, "font-family");
String tag = parser.getName();
if (tag.equals("font-family")) {
config.families.add(readFamily(parser));
} else {
skip(parser);
}
return config;
}
private static FontListParser.Family readFamily(XmlPullParser parser)
throws XmlPullParserException, IOException {
String name = parser.getAttributeValue(null, "name");
String lang = parser.getAttributeValue(null, "lang");
String variant = parser.getAttributeValue(null, "variant");
List<FontListParser.Font> fonts = new ArrayList<>();
while (parser.next() != XmlPullParser.END_TAG) {
if (parser.getEventType() != XmlPullParser.START_TAG) continue;
String tag = parser.getName();
if (tag.equals("font")) {
fonts.add(readFont(parser));
} else {
skip(parser);
}
}
return new FontListParser.Family(name, fonts, lang, variant);
}
/** Matches leading and trailing XML whitespace. */
private static final Pattern FILENAME_WHITESPACE_PATTERN =
Pattern.compile("^[ \\n\\r\\t]+|[ \\n\\r\\t]+$");
private static FontListParser.Font readFont(XmlPullParser parser)
throws XmlPullParserException, IOException {
List<FontListParser.Axis> axes = new ArrayList<>();
String weightStr = parser.getAttributeValue(ANDROID_NAMESPACE, "fontWeight");
int weight = weightStr == null ? 400 : Integer.parseInt(weightStr);
boolean isItalic = "italic".equals(
parser.getAttributeValue(ANDROID_NAMESPACE, "fontStyle"));
String filename = parser.getAttributeValue(ANDROID_NAMESPACE, "font");
String fullFilename = FILENAME_WHITESPACE_PATTERN.matcher(filename).replaceAll("");
return new FontListParser.Font(fullFilename, 0, axes, weight, isItalic);
}
private static void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
int depth = 1;
while (depth > 0) {
switch (parser.next()) {
case XmlPullParser.START_TAG:
depth++;
break;
case XmlPullParser.END_TAG:
depth--;
break;
}
}
}
}