Luna/kernel/src/fs/VFS.cpp

#include "fs/VFS.h"
#include "Log.h"
#include <luna/PathParser.h>

namespace VFS
{
    SharedPtr<FileSystem> root_fs;

    Inode& root_inode()
    {
        return *root_fs->root_inode();
    }

    Result<SharedPtr<Inode>> resolve_path(const char* path)
    {
        auto parser = TRY(PathParser::create(path));

        kdbgln("vfs: trying to resolve path %s", path);

        SharedPtr<Inode> current_inode;

        if (parser.is_absolute()) { current_inode = root_fs->root_inode(); }
        else
        {
            kwarnln("vfs: cannot resolve path '%s', as relative paths are not supported yet", path);
            return err(ENOTSUP);
        }

        const char* section;
        while (parser.next().try_set_value(section))
        {
            kdbgln("vfs: searching for entry '%s' in inode %zu", section, current_inode->inode_number());
            current_inode = TRY(current_inode->find(section));
        }

        return current_inode;
    }
}