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Merge remote-tracking branch 'Kernel/master'
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101
Kernel/kshell/commands/tree.cpp
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101
Kernel/kshell/commands/tree.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "../cmds.hpp"
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#include <filesystem.hpp>
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#include "../../kernel.h"
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void tree_loop(FileNode *rootNode, int depth = 0)
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{
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// foreach (auto Child in rootNode->GetChildren(true))
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// {
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// Display->UpdateBuffer();
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// if (Child->Stat.IsType(DIRECTORY) || Child->Stat.IsType(MOUNTPOINT))
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// {
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// printf("%*s%*s%*s|- %s\n",
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// depth, "",
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// depth, "",
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// depth, "",
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// Child->FileName);
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// tree_loop(Child, depth + 1);
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// }
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// else
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// printf("%*s%*s%*s|- %s\n",
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// depth, "",
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// depth, "",
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// depth, "",
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// Child->FileName);
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// }
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kdirent *dirBuffer = new kdirent[16];
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ssize_t read = 0;
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off_t offset = 0;
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while ((read = rootNode->ReadDir(dirBuffer, sizeof(kdirent) * 16, offset, LONG_MAX)) > 0)
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{
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if (read / sizeof(kdirent) == 0)
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break;
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off_t bufOffset = 0;
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for (size_t i = 0; i < read / sizeof(kdirent); i++)
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{
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kdirent *dirent = (kdirent *)((uintptr_t)dirBuffer + bufOffset);
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if (dirent->d_reclen == 0)
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break;
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bufOffset += dirent->d_reclen;
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if (strcmp(dirent->d_name, ".") == 0 || strcmp(dirent->d_name, "..") == 0)
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continue;
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FileNode *node = fs->GetByPath(dirent->d_name, rootNode);
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if (node == nullptr)
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continue;
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for (int i = 0; i < depth; i++)
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printf(" ");
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printf("|- %s\n", dirent->d_name);
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if (node->IsDirectory())
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tree_loop(node, depth + 1);
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}
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offset += read;
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}
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delete[] dirBuffer;
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}
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void cmd_tree(const char *args)
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{
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FileNode *rootNode = thisProcess->CWD;
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if (args[0] == '\0')
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{
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if (rootNode == nullptr)
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rootNode = fs->GetRoot(0);
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}
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else
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{
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rootNode = fs->GetByPath(args, nullptr);
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if (rootNode == nullptr)
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{
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printf("ls: %s: No such file or directory\n", args);
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return;
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}
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}
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printf("%s\n", rootNode->Name.c_str());
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tree_loop(rootNode);
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}
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