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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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pt 1 in reviving the android build (copied from pm 28a1, wish me luck)
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456
mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BasicLineParser.java
vendored
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456
mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BasicLineParser.java
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@ -0,0 +1,456 @@
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/*
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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.message;
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import ch.boye.httpclientandroidlib.Header;
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import ch.boye.httpclientandroidlib.HttpVersion;
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import ch.boye.httpclientandroidlib.ParseException;
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import ch.boye.httpclientandroidlib.ProtocolVersion;
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import ch.boye.httpclientandroidlib.RequestLine;
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import ch.boye.httpclientandroidlib.StatusLine;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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import ch.boye.httpclientandroidlib.protocol.HTTP;
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import ch.boye.httpclientandroidlib.util.Args;
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import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
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/**
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* Basic parser for lines in the head section of an HTTP message.
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* There are individual methods for parsing a request line, a
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* status line, or a header line.
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* The lines to parse are passed in memory, the parser does not depend
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* on any specific IO mechanism.
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* Instances of this class are stateless and thread-safe.
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* Derived classes MUST maintain these properties.
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*
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* <p>
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* Note: This class was created by refactoring parsing code located in
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* various other classes. The author tags from those other classes have
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* been replicated here, although the association with the parsing code
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* taken from there has not been traced.
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* </p>
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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 BasicLineParser implements LineParser {
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/**
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* A default instance of this class, for use as default or fallback.
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* Note that {@link BasicLineParser} is not a singleton, there can
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* be many instances of the class itself and of derived classes.
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* The instance here provides non-customized, default behavior.
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*
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* @deprecated (4.3) use {@link #INSTANCE}
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*/
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@Deprecated
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public final static BasicLineParser DEFAULT = new BasicLineParser();
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public final static BasicLineParser INSTANCE = new BasicLineParser();
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/**
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* A version of the protocol to parse.
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* The version is typically not relevant, but the protocol name.
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*/
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protected final ProtocolVersion protocol;
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/**
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* Creates a new line parser for the given HTTP-like protocol.
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*
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* @param proto a version of the protocol to parse, or
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* <code>null</code> for HTTP. The actual version
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* is not relevant, only the protocol name.
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*/
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public BasicLineParser(final ProtocolVersion proto) {
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this.protocol = proto != null? proto : HttpVersion.HTTP_1_1;
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}
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/**
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* Creates a new line parser for HTTP.
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*/
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public BasicLineParser() {
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this(null);
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}
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public static
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ProtocolVersion parseProtocolVersion(final String value,
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final LineParser parser) throws ParseException {
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Args.notNull(value, "Value");
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final CharArrayBuffer buffer = new CharArrayBuffer(value.length());
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buffer.append(value);
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final ParserCursor cursor = new ParserCursor(0, value.length());
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return (parser != null ? parser : BasicLineParser.INSTANCE)
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.parseProtocolVersion(buffer, cursor);
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}
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// non-javadoc, see interface LineParser
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public ProtocolVersion parseProtocolVersion(final CharArrayBuffer buffer,
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final ParserCursor cursor) throws ParseException {
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Args.notNull(buffer, "Char array buffer");
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Args.notNull(cursor, "Parser cursor");
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final String protoname = this.protocol.getProtocol();
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final int protolength = protoname.length();
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final int indexFrom = cursor.getPos();
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final int indexTo = cursor.getUpperBound();
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skipWhitespace(buffer, cursor);
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int i = cursor.getPos();
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// long enough for "HTTP/1.1"?
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if (i + protolength + 4 > indexTo) {
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throw new ParseException
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("Not a valid protocol version: " +
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buffer.substring(indexFrom, indexTo));
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}
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// check the protocol name and slash
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boolean ok = true;
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for (int j=0; ok && (j<protolength); j++) {
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ok = (buffer.charAt(i+j) == protoname.charAt(j));
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}
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if (ok) {
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ok = (buffer.charAt(i+protolength) == '/');
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}
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if (!ok) {
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throw new ParseException
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("Not a valid protocol version: " +
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buffer.substring(indexFrom, indexTo));
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}
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i += protolength+1;
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final int period = buffer.indexOf('.', i, indexTo);
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if (period == -1) {
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throw new ParseException
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("Invalid protocol version number: " +
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buffer.substring(indexFrom, indexTo));
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}
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final int major;
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try {
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major = Integer.parseInt(buffer.substringTrimmed(i, period));
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} catch (final NumberFormatException e) {
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throw new ParseException
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("Invalid protocol major version number: " +
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buffer.substring(indexFrom, indexTo));
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}
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i = period + 1;
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int blank = buffer.indexOf(' ', i, indexTo);
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if (blank == -1) {
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blank = indexTo;
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}
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final int minor;
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try {
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minor = Integer.parseInt(buffer.substringTrimmed(i, blank));
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} catch (final NumberFormatException e) {
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throw new ParseException(
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"Invalid protocol minor version number: " +
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buffer.substring(indexFrom, indexTo));
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}
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cursor.updatePos(blank);
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return createProtocolVersion(major, minor);
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} // parseProtocolVersion
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/**
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* Creates a protocol version.
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* Called from {@link #parseProtocolVersion}.
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*
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* @param major the major version number, for example 1 in HTTP/1.0
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* @param minor the minor version number, for example 0 in HTTP/1.0
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*
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* @return the protocol version
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*/
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protected ProtocolVersion createProtocolVersion(final int major, final int minor) {
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return protocol.forVersion(major, minor);
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}
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// non-javadoc, see interface LineParser
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public boolean hasProtocolVersion(final CharArrayBuffer buffer,
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final ParserCursor cursor) {
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Args.notNull(buffer, "Char array buffer");
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Args.notNull(cursor, "Parser cursor");
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int index = cursor.getPos();
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final String protoname = this.protocol.getProtocol();
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final int protolength = protoname.length();
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if (buffer.length() < protolength+4)
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{
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return false; // not long enough for "HTTP/1.1"
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}
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if (index < 0) {
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// end of line, no tolerance for trailing whitespace
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// this works only for single-digit major and minor version
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index = buffer.length() -4 -protolength;
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} else if (index == 0) {
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// beginning of line, tolerate leading whitespace
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while ((index < buffer.length()) &&
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HTTP.isWhitespace(buffer.charAt(index))) {
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index++;
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}
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} // else within line, don't tolerate whitespace
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if (index + protolength + 4 > buffer.length()) {
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return false;
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}
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// just check protocol name and slash, no need to analyse the version
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boolean ok = true;
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for (int j=0; ok && (j<protolength); j++) {
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ok = (buffer.charAt(index+j) == protoname.charAt(j));
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}
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if (ok) {
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ok = (buffer.charAt(index+protolength) == '/');
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}
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return ok;
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}
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public static
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RequestLine parseRequestLine(final String value,
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final LineParser parser) throws ParseException {
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Args.notNull(value, "Value");
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final CharArrayBuffer buffer = new CharArrayBuffer(value.length());
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buffer.append(value);
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final ParserCursor cursor = new ParserCursor(0, value.length());
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return (parser != null ? parser : BasicLineParser.INSTANCE)
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.parseRequestLine(buffer, cursor);
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}
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/**
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* Parses a request line.
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*
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* @param buffer a buffer holding the line to parse
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*
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* @return the parsed request line
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*
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* @throws ParseException in case of a parse error
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*/
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public RequestLine parseRequestLine(final CharArrayBuffer buffer,
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final ParserCursor cursor) throws ParseException {
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Args.notNull(buffer, "Char array buffer");
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Args.notNull(cursor, "Parser cursor");
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final int indexFrom = cursor.getPos();
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final int indexTo = cursor.getUpperBound();
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try {
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skipWhitespace(buffer, cursor);
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int i = cursor.getPos();
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int blank = buffer.indexOf(' ', i, indexTo);
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if (blank < 0) {
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throw new ParseException("Invalid request line: " +
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buffer.substring(indexFrom, indexTo));
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}
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final String method = buffer.substringTrimmed(i, blank);
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cursor.updatePos(blank);
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skipWhitespace(buffer, cursor);
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i = cursor.getPos();
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blank = buffer.indexOf(' ', i, indexTo);
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if (blank < 0) {
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throw new ParseException("Invalid request line: " +
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buffer.substring(indexFrom, indexTo));
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}
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final String uri = buffer.substringTrimmed(i, blank);
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cursor.updatePos(blank);
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final ProtocolVersion ver = parseProtocolVersion(buffer, cursor);
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skipWhitespace(buffer, cursor);
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if (!cursor.atEnd()) {
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throw new ParseException("Invalid request line: " +
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buffer.substring(indexFrom, indexTo));
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}
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return createRequestLine(method, uri, ver);
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} catch (final IndexOutOfBoundsException e) {
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throw new ParseException("Invalid request line: " +
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buffer.substring(indexFrom, indexTo));
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}
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} // parseRequestLine
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/**
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* Instantiates a new request line.
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* Called from {@link #parseRequestLine}.
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*
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* @param method the request method
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* @param uri the requested URI
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* @param ver the protocol version
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*
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* @return a new status line with the given data
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*/
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protected RequestLine createRequestLine(final String method,
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final String uri,
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final ProtocolVersion ver) {
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return new BasicRequestLine(method, uri, ver);
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}
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public static
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StatusLine parseStatusLine(final String value,
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final LineParser parser) throws ParseException {
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Args.notNull(value, "Value");
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final CharArrayBuffer buffer = new CharArrayBuffer(value.length());
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buffer.append(value);
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final ParserCursor cursor = new ParserCursor(0, value.length());
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return (parser != null ? parser : BasicLineParser.INSTANCE)
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.parseStatusLine(buffer, cursor);
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}
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// non-javadoc, see interface LineParser
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public StatusLine parseStatusLine(final CharArrayBuffer buffer,
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final ParserCursor cursor) throws ParseException {
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Args.notNull(buffer, "Char array buffer");
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Args.notNull(cursor, "Parser cursor");
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final int indexFrom = cursor.getPos();
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final int indexTo = cursor.getUpperBound();
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try {
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// handle the HTTP-Version
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final ProtocolVersion ver = parseProtocolVersion(buffer, cursor);
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// handle the Status-Code
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skipWhitespace(buffer, cursor);
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int i = cursor.getPos();
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int blank = buffer.indexOf(' ', i, indexTo);
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if (blank < 0) {
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blank = indexTo;
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}
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final int statusCode;
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final String s = buffer.substringTrimmed(i, blank);
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for (int j = 0; j < s.length(); j++) {
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if (!Character.isDigit(s.charAt(j))) {
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throw new ParseException(
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"Status line contains invalid status code: "
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+ buffer.substring(indexFrom, indexTo));
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}
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}
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try {
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statusCode = Integer.parseInt(s);
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} catch (final NumberFormatException e) {
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throw new ParseException(
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"Status line contains invalid status code: "
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+ buffer.substring(indexFrom, indexTo));
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}
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//handle the Reason-Phrase
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i = blank;
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final String reasonPhrase;
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if (i < indexTo) {
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reasonPhrase = buffer.substringTrimmed(i, indexTo);
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} else {
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reasonPhrase = "";
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}
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return createStatusLine(ver, statusCode, reasonPhrase);
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} catch (final IndexOutOfBoundsException e) {
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throw new ParseException("Invalid status line: " +
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buffer.substring(indexFrom, indexTo));
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}
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} // parseStatusLine
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/**
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* Instantiates a new status line.
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* Called from {@link #parseStatusLine}.
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*
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* @param ver the protocol version
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* @param status the status code
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* @param reason the reason phrase
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*
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* @return a new status line with the given data
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*/
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protected StatusLine createStatusLine(final ProtocolVersion ver,
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final int status,
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final String reason) {
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return new BasicStatusLine(ver, status, reason);
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}
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public static
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Header parseHeader(final String value,
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final LineParser parser) throws ParseException {
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Args.notNull(value, "Value");
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final CharArrayBuffer buffer = new CharArrayBuffer(value.length());
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buffer.append(value);
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return (parser != null ? parser : BasicLineParser.INSTANCE)
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.parseHeader(buffer);
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}
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// non-javadoc, see interface LineParser
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public Header parseHeader(final CharArrayBuffer buffer)
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throws ParseException {
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// the actual parser code is in the constructor of BufferedHeader
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return new BufferedHeader(buffer);
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}
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/**
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* Helper to skip whitespace.
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*/
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protected void skipWhitespace(final CharArrayBuffer buffer, final ParserCursor cursor) {
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int pos = cursor.getPos();
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final int indexTo = cursor.getUpperBound();
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while ((pos < indexTo) &&
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HTTP.isWhitespace(buffer.charAt(pos))) {
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pos++;
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}
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cursor.updatePos(pos);
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}
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} // class BasicLineParser
|
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