ladybird/AK/FileSystemPath.cpp
Andreas Kling 88ad59bfb1 Add a simple FileSystemPath class that can canonicalize paths.
Also a simple StringBuilder to help him out.
2018-10-28 08:54:20 +01:00

45 lines
948 B
C++

#include "FileSystemPath.h"
#include "Vector.h"
#include "kstdio.h"
#include "StringBuilder.h"
namespace AK {
FileSystemPath::FileSystemPath(const String& s)
: m_string(s)
{
m_isValid = canonicalize();
}
bool FileSystemPath::canonicalize(bool resolveSymbolicLinks)
{
// FIXME: Implement "resolveSymbolicLinks"
auto parts = m_string.split('/');
Vector<String> canonicalParts;
for (auto& part : parts) {
if (part == ".")
continue;
if (part == "..") {
if (!canonicalParts.isEmpty())
canonicalParts.takeLast();
continue;
}
canonicalParts.append(part);
}
if (canonicalParts.isEmpty()) {
m_string = "/";
return true;
}
StringBuilder builder;
for (auto& cpart : canonicalParts) {
builder.append('/');
builder.append(move(cpart));
}
m_string = builder.build();
return true;
}
}