mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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143 lines
4.5 KiB
Java
143 lines
4.5 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.impl.cookie;
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import java.util.ArrayList;
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import java.util.List;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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import ch.boye.httpclientandroidlib.HeaderElement;
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import ch.boye.httpclientandroidlib.NameValuePair;
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import ch.boye.httpclientandroidlib.ParseException;
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import ch.boye.httpclientandroidlib.message.BasicHeaderElement;
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import ch.boye.httpclientandroidlib.message.BasicNameValuePair;
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import ch.boye.httpclientandroidlib.message.ParserCursor;
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import ch.boye.httpclientandroidlib.protocol.HTTP;
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import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
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/**
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*
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* @since 4.0
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*/
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@Immutable
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public class NetscapeDraftHeaderParser {
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public final static NetscapeDraftHeaderParser DEFAULT = new NetscapeDraftHeaderParser();
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public NetscapeDraftHeaderParser() {
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super();
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}
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public HeaderElement parseHeader(
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final CharArrayBuffer buffer,
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final ParserCursor cursor) throws ParseException {
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if (buffer == null) {
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throw new IllegalArgumentException("Char array buffer may not be null");
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}
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if (cursor == null) {
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throw new IllegalArgumentException("Parser cursor may not be null");
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}
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NameValuePair nvp = parseNameValuePair(buffer, cursor);
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List<NameValuePair> params = new ArrayList<NameValuePair>();
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while (!cursor.atEnd()) {
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NameValuePair param = parseNameValuePair(buffer, cursor);
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params.add(param);
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}
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return new BasicHeaderElement(
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nvp.getName(),
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nvp.getValue(), params.toArray(new NameValuePair[params.size()]));
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}
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private NameValuePair parseNameValuePair(
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final CharArrayBuffer buffer, final ParserCursor cursor) {
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boolean terminated = false;
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int pos = cursor.getPos();
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int indexFrom = cursor.getPos();
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int indexTo = cursor.getUpperBound();
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// Find name
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String name = null;
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while (pos < indexTo) {
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char ch = buffer.charAt(pos);
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if (ch == '=') {
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break;
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}
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if (ch == ';') {
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terminated = true;
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break;
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}
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pos++;
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}
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if (pos == indexTo) {
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terminated = true;
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name = buffer.substringTrimmed(indexFrom, indexTo);
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} else {
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name = buffer.substringTrimmed(indexFrom, pos);
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pos++;
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}
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if (terminated) {
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cursor.updatePos(pos);
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return new BasicNameValuePair(name, null);
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}
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// Find value
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String value = null;
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int i1 = pos;
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while (pos < indexTo) {
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char ch = buffer.charAt(pos);
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if (ch == ';') {
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terminated = true;
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break;
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}
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pos++;
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}
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int i2 = pos;
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// Trim leading white spaces
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while (i1 < i2 && (HTTP.isWhitespace(buffer.charAt(i1)))) {
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i1++;
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}
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// Trim trailing white spaces
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while ((i2 > i1) && (HTTP.isWhitespace(buffer.charAt(i2 - 1)))) {
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i2--;
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}
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value = buffer.substring(i1, i2);
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if (terminated) {
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pos++;
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}
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cursor.updatePos(pos);
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return new BasicNameValuePair(name, value);
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}
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}
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