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// Copyright 2008, 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:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. 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.
// 3. 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 AUTHOR ``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 AUTHOR 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.
// This file contains the definition of the Href class used to parse a
// KML-style URL such as that found in <href> and <styleUrl>.
// TODO: methods to parse/assemble a full RFC 1808 URL:
// TODO: <scheme>://<net_loc>/<path>;<params>?<query>#<fragment>
// TODO: "...;params..." is not used in KML
#ifndef KML_ENGINE_HREF_H__
#define KML_ENGINE_HREF_H__
#include "kml/base/util.h"
namespace kmlengine {
// This class parses a KML URL. Basic usage at present:
// Href href("#object-id");
// if (href.HasFragment()) {
// return href.Fragment(); // "object-id"
// }
class Href {
public:
Href() {}
// Construct from the contents of <href>
Href(const string& href) {
Parse(href);
}
bool IsRelative() const {
return !has_scheme() && !has_net_loc();
}
bool IsRelativePath() const {
return !has_scheme() && !has_net_loc() && has_path();
}
bool IsFragmentOnly() const {
return has_fragment() && !has_scheme() && !has_net_loc() && !has_path();
}
const string& get_scheme() const {
return scheme_;
}
bool has_scheme() const {
return !scheme_.empty();
}
void set_scheme(const string& scheme) {
scheme_ = scheme;
}
void clear_scheme() {
scheme_.clear();
}
const string& get_net_loc() const {
return net_loc_;
}
bool has_net_loc() const {
return !net_loc_.empty();
}
void set_net_loc(const string& net_loc) {
net_loc_ = net_loc;
}
void clear_net_loc() {
net_loc_.clear();
}
const string& get_path() const {
return path_;
}
bool has_path() const {
return !path_.empty();
}
void set_path(const string& path) {
path_ = path;
}
void clear_path() {
path_.clear();
}
const string& get_fragment() const {
return fragment_;
}
bool has_fragment() const {
return !fragment_.empty();
}
void set_fragment(const string& fragment) {
fragment_ = fragment;
}
void clear_fragment() {
fragment_.clear();
}
private:
void Parse(const string& href);
size_t ParseScheme(const string& href);
size_t ParseNetLoc(const string& href);
// These names match RFC 1808:
// <scheme>://<net_loc>/<path>;<params>?<query>#<fragment>
// Note: params is unused in a KML URL.
string scheme_;
string net_loc_;
string path_;
string query_;
string fragment_;
};
} // end namespace kmlengine
#endif // KML_ENGINE_HREF_H__