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119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHttpHeaderArray_h__
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#define nsHttpHeaderArray_h__
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#include "nsHttp.h"
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#include "nsTArray.h"
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#include "nsIHttpChannel.h"
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#include "nsIHttpHeaderVisitor.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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class nsHttpHeaderArray
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{
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public:
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enum nsHttpHeaderType {
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HTTP_REQUEST_HEADERS,
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HTTP_RESPONSE_HEADERS
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};
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nsHttpHeaderArray(nsHttpHeaderType headerType) : mType(headerType) {}
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~nsHttpHeaderArray() { Clear(); }
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const char *PeekHeader(nsHttpAtom header);
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nsresult SetHeader(nsHttpAtom header, const nsACString &value, PRBool merge = PR_FALSE);
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nsresult GetHeader(nsHttpAtom header, nsACString &value);
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void ClearHeader(nsHttpAtom h);
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// Find the location of the given header value, or null if none exists.
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const char *FindHeaderValue(nsHttpAtom header, const char *value) {
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return nsHttp::FindToken(PeekHeader(header), value,
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HTTP_HEADER_VALUE_SEPS);
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}
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// Determine if the given header value exists.
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PRBool HasHeaderValue(nsHttpAtom header, const char *value) {
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return FindHeaderValue(header, value) != nsnull;
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}
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nsresult VisitHeaders(nsIHttpHeaderVisitor *visitor);
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// parse a header line, return the header atom and a pointer to the
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// header value (the substring of the header line -- do not free).
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nsresult ParseHeaderLine(const char *line,
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nsHttpAtom *header=nsnull,
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char **value=nsnull);
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void Flatten(nsACString &, PRBool pruneProxyHeaders=PR_FALSE);
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PRUint32 Count() { return mHeaders.Length(); }
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const char *PeekHeaderAt(PRUint32 i, nsHttpAtom &header);
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void Clear();
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struct nsEntry
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{
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nsEntry() {}
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nsHttpAtom header;
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nsCString value;
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struct MatchHeader {
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PRBool Equals(const nsEntry &entry, const nsHttpAtom &header) const {
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return entry.header == header;
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}
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};
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};
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nsTArray<nsEntry> &Headers() { return mHeaders; }
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private:
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PRInt32 LookupEntry(nsHttpAtom header, nsEntry **);
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PRBool CanAppendToHeader(nsHttpAtom header);
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PRBool CanOverwriteHeader(nsHttpAtom header);
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nsTArray<nsEntry> mHeaders;
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nsHttpHeaderType mType;
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};
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#endif
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