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// Copyright 2007, Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef URLSegments_h
#define URLSegments_h
#include "URLComponent.h"
namespace WTF {
// A structure that holds the identified parts of an input URL. This structure
// does NOT store the URL itself. The caller will have to store the URL text
// and its corresponding Parsed structure separately.
class URLSegments {
public:
// Identifies different components.
enum ComponentType {
Scheme,
Username,
Password,
Host,
Port,
Path,
Query,
Fragment,
};
URLSegments() { }
// Returns the length of the URL (the end of the last component).
//
// Note that for some invalid, non-canonical URLs, this may not be the length
// of the string. For example "http://": the parsed structure will only
// contain an entry for the four-character scheme, and it doesn't know about
// the "://". For all other last-components, it will return the real length.
int length() const;
// Returns the number of characters before the given component if it exists,
// or where the component would be if it did exist. This will return the
// string length if the component would be appended to the end.
//
// Note that this can get a little funny for the port, query, and fragment
// components which have a delimiter that is not counted as part of the
// component. The |includeDelimiter| flag controls if you want this counted
// as part of the component or not when the component exists.
//
// This example shows the difference between the two flags for two of these
// delimited components that is present (the port and query) and one that
// isn't (the reference). The components that this flag affects are marked
// with a *.
// 0 1 2
// 012345678901234567890
// Example input: http://foo:80/?query
// include_delim=true, ...=false ("<-" indicates different)
// Scheme: 0 0
// Username: 5 5
// Password: 5 5
// Host: 7 7
// *Port: 10 11 <-
// Path: 13 13
// *Query: 14 15 <-
// *Fragment: 20 20
//
int charactersBefore(ComponentType, bool includeDelimiter) const;
// Each component excludes the related delimiters and has a length of -1
// if that component is absent but 0 if the component exists but is empty.
URLComponent scheme;
URLComponent username;
URLComponent password;
URLComponent host;
URLComponent port;
URLComponent path;
URLComponent query;
URLComponent fragment;
};
} // namespace WTF
#endif // URLSegments_h
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