mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-25 17:10:23 +00:00
115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "FileSystemPath.h"
|
|
#include "StringBuilder.h"
|
|
#include "Vector.h"
|
|
|
|
namespace AK {
|
|
|
|
FileSystemPath::FileSystemPath(const StringView& s)
|
|
: m_string(s)
|
|
{
|
|
canonicalize();
|
|
m_is_valid = true;
|
|
}
|
|
|
|
void FileSystemPath::canonicalize()
|
|
{
|
|
if (m_string.is_empty()) {
|
|
m_parts.clear();
|
|
return;
|
|
}
|
|
|
|
bool is_absolute_path = m_string[0] == '/';
|
|
auto parts = m_string.split_view('/');
|
|
|
|
if (!is_absolute_path)
|
|
parts.prepend(".");
|
|
|
|
size_t approximate_canonical_length = 0;
|
|
Vector<String> canonical_parts;
|
|
|
|
for (size_t i = 0; i < parts.size(); ++i) {
|
|
auto& part = parts[i];
|
|
if (is_absolute_path || i != 0) {
|
|
if (part == ".")
|
|
continue;
|
|
}
|
|
if (part == "..") {
|
|
if (!canonical_parts.is_empty())
|
|
canonical_parts.take_last();
|
|
continue;
|
|
}
|
|
if (!part.is_empty()) {
|
|
approximate_canonical_length += part.length() + 1;
|
|
canonical_parts.append(part);
|
|
}
|
|
}
|
|
if (canonical_parts.is_empty()) {
|
|
m_string = m_basename = m_dirname = "/";
|
|
return;
|
|
}
|
|
|
|
StringBuilder dirname_builder(approximate_canonical_length);
|
|
for (size_t i = 0; i < canonical_parts.size() - 1; ++i) {
|
|
auto& canonical_part = canonical_parts[i];
|
|
if (is_absolute_path || i != 0)
|
|
dirname_builder.append('/');
|
|
dirname_builder.append(canonical_part);
|
|
}
|
|
m_dirname = dirname_builder.to_string();
|
|
|
|
m_basename = canonical_parts.last();
|
|
auto name_parts = m_basename.split('.');
|
|
m_title = name_parts.is_empty() ? String() : name_parts[0];
|
|
if (name_parts.size() > 1)
|
|
m_extension = name_parts[1];
|
|
|
|
StringBuilder builder(approximate_canonical_length);
|
|
for (size_t i = 0; i < canonical_parts.size(); ++i) {
|
|
auto& canonical_part = canonical_parts[i];
|
|
if (is_absolute_path || i != 0)
|
|
builder.append('/');
|
|
builder.append(canonical_part);
|
|
}
|
|
m_parts = move(canonical_parts);
|
|
m_string = builder.to_string();
|
|
}
|
|
|
|
bool FileSystemPath::has_extension(StringView extension) const
|
|
{
|
|
// FIXME: This is inefficient, expand StringView with enough functionality that we don't need to copy strings here.
|
|
String extension_string = extension;
|
|
return m_string.to_lowercase().ends_with(extension_string.to_lowercase());
|
|
}
|
|
|
|
String canonicalized_path(const StringView& path)
|
|
{
|
|
return FileSystemPath(path).string();
|
|
}
|
|
|
|
}
|