/usr/include/kido/common/Uri.hpp is in libkido-dev 0.1.0+dfsg-2build9.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2015, Georgia Tech Research Corporation
* All rights reserved.
*
* Author(s): Michael Koval <mkoval@cs.cmu.edu>
*
* Georgia Tech Graphics Lab and Humanoid Robotics Lab
*
* Directed by Prof. C. Karen Liu and Prof. Mike Stilman
* <karenliu@cc.gatech.edu> <mstilman@cc.gatech.edu>
*
* This file is provided under the following "BSD-style" License:
* 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.
* 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 HOLDER 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 KIDO_COMMON_URI_HPP_
#define KIDO_COMMON_URI_HPP_
#include <string>
#include "kido/common/Deprecated.hpp"
namespace kido {
namespace common {
class UriComponent final
{
public:
using value_type = std::string;
using reference_type = value_type&;
using reference_const_type = const value_type&;
using pointer_type = value_type*;
using pointer_const_type = const value_type*;
UriComponent();
UriComponent(reference_const_type _value);
operator bool() const;
bool operator !() const;
UriComponent& operator =(reference_const_type _value);
reference_type operator *();
reference_const_type operator *() const;
pointer_type operator ->();
pointer_const_type operator ->() const;
void assign(reference_const_type _value);
void reset();
reference_type get();
reference_const_type get() const;
reference_type get_value_or(reference_type _default);
reference_const_type get_value_or(reference_const_type _default) const;
private:
bool mExists;
std::string mValue;
};
/// The Uri struct provides URI parsing and merging functionality based on RFC
/// 3986.
///
/// We have Uri as a struct rather than class to expose member variables. Many
/// ResourceRetreiver classes rewrite URIs to other types of URIs (e.g, resolve
/// 'package://' URIs to 'file://' URIs), which is easier to implement if you
/// have direct access to the URI components.
struct Uri final
{
/// Scheme, e.g. 'http', 'file', 'package'
UriComponent mScheme;
/// Authority, e.g. 'google.com', 'en.wikipedia.org'
UriComponent mAuthority;
/// Path, e.g. '/index.html', '/foo/bar.txt'
UriComponent mPath;
/// Query string, i.e. the part of the URI after the ?
UriComponent mQuery;
/// Fragment, e.g. the part of the URI after the #
UriComponent mFragment;
/// Constructor
Uri() = default;
/// Constructor that takes a URI or local path. Internally, this is equivalent
/// to calling fromStringOrPath(_input) after default constructor.
///
/// We don't declare this constructor as explicit in order to allow implicit
/// conversion from string so that you can pass in string parameter to a
/// function that takes Uri.
Uri(const std::string& _input);
/// Constructor that takes a URI or local path as const char*. The behavior is
/// identical to Uri(const std::string&).
Uri(const char* _input);
/// Clear the URI by reset()ing all components.
void clear();
/// Parse a URI from a string; return success. All the components will be
/// cleared on failure.
bool fromString(const std::string& _input);
/// Parse a local path (i.e. URI with no schema) from a string; return
/// success. Note that the input path should be absolute path. All the
/// components will be cleared on failure.
bool fromPath(const std::string& _path);
/// Parse a URI or local path (i.e. URI with no schema) from a string; return
/// success. We assume that any string without a scheme is a path. All the
/// components will be cleared on failure.
bool fromStringOrPath(const std::string& _input);
/// Resolve a relative path reference; return success. All the components will
/// be cleared on failure.
bool fromRelativeUri(const std::string& _base, const std::string& _relative,
bool _strict = false);
/// Resolve a relative path reference; return success. All the components will
/// be cleared on failure.
bool fromRelativeUri(const char* _base, const char* _relative,
bool _strict = false);
/// Resolve a relative path reference; return success. All the components will
/// be cleared on failure.
bool fromRelativeUri(const Uri& _base, const std::string& _relative,
bool _strict = false);
/// Resolve a relative path reference; return success. All the components will
/// be cleared on failure.
bool fromRelativeUri(const Uri& _base, const char* _relative,
bool _strict = false);
/// Resolve a relative path reference; return success. All the components will
/// be cleared on failure.
bool fromRelativeUri(const Uri& _base, const Uri& _relative,
bool _strict = false);
/// Combine the parts of the URI into a string.
std::string toString() const;
/// Create URI from a string; return an empty URI on failure.
static Uri createFromString(const std::string& _input);
/// Create file URI from a string; return an empty URI on failure.
static Uri createFromPath(const std::string& _path);
/// Create general URI or file URI from a string; return an empty URI on
/// failure.
static Uri createFromStringOrPath(const std::string& _input);
/// Create URI resolving a relative path reference; return an empty URI on
/// failure.
static Uri createFromRelativeUri(const std::string& _base,
const std::string& _relative,
bool _strict = false);
/// Create URI resolving a relative path reference; return an empty URI on
/// failure.
static Uri createFromRelativeUri(const Uri& _base,
const std::string& _relative,
bool _strict = false);
/// Create URI resolving a relative path reference; return an empty URI on
/// failure.
static Uri createFromRelativeUri(const Uri& _base,
const Uri& _relative,
bool _strict = false);
/// Parse a URI from a string; return an empty string on failure.
static std::string getUri(const std::string& _input);
/// Resolve a relative path reference; return an empty string on failure.
static std::string getRelativeUri(const std::string& _base,
const std::string& _relative,
bool _strict = false);
/// Resolve a relative path reference; return an empty string on failure.
static std::string getRelativeUri(const Uri& _base,
const std::string& _relative,
bool _strict = false);
/// Resolve a relative path reference; return an empty string on failure.
static std::string getRelativeUri(const Uri& _base,
const Uri& _relative,
bool _strict = false);
/// Get the path component of the URI as a string.
std::string getPath() const;
/// Get the path in the local filesystem as a string. You should use this
/// function rather than getPath() if you are trying to access a local file.
/// Note that this function is identical to getPath() for Unix systems, but
/// differ by the leading '/' on Windows.
std::string getFilesystemPath() const;
private:
/// Implement section 5.2.3 of RFC 3986.
static std::string mergePaths(const Uri& _base, const Uri& _relative);
/// Implement section 5.2.4 of RFC 3986.
static std::string removeDotSegments(const std::string& _path);
};
} // namespace common
} // namespace kido
#endif // ifndef KIDO_COMMON_URI_HPP_
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