ladybird/AK/LexicalPath.h
sin-ack 2de11b0dc8 AK: Add LexicalPath::append and LexicalPath::join
This patch adds two new methods to LexicalPath.  LexicalPath::append
appends a new path component to a LexicalPath, and LexicalPath::join
constructs a new LexicalPath from one or more components.

Co-authored-by: Gunnar Beutner <gunnar@beutner.name>
2021-05-12 22:38:20 +02:00

71 lines
1.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/Vector.h>
namespace AK {
class LexicalPath {
public:
LexicalPath() = default;
explicit LexicalPath(String);
bool is_valid() const { return m_is_valid; }
bool is_absolute() const { return m_is_absolute; }
const String& string() const { return m_string; }
const String& dirname() const { return m_dirname; }
const String& basename() const { return m_basename; }
const String& title() const { return m_title; }
const String& extension() const { return m_extension; }
const Vector<String>& parts() const { return m_parts; }
bool has_extension(const StringView&) const;
void append(String const& component);
static String canonicalized_path(String);
static String relative_path(String absolute_path, String const& prefix);
template<typename... S>
static LexicalPath join(String const& first, S&&... rest)
{
StringBuilder builder;
builder.append(first);
((builder.append('/'), builder.append(forward<S>(rest))), ...);
return LexicalPath { builder.to_string() };
}
private:
void canonicalize();
Vector<String> m_parts;
String m_string;
String m_dirname;
String m_basename;
String m_title;
String m_extension;
bool m_is_valid { false };
bool m_is_absolute { false };
};
template<>
struct Formatter<LexicalPath> : Formatter<StringView> {
void format(FormatBuilder& builder, const LexicalPath& value)
{
Formatter<StringView>::format(builder, value.string());
}
};
};
using AK::LexicalPath;