Userland: Move command-line utilities to Userland/Utilities/

1 files changed, 0 insertions, 504 deletions

diff --git a/Userland/ls.cpp b/Userland/ls.cpp
deleted file mode 100644
index bdeba14361..0000000000
--- a/Userland/ls.cpp
+++ /dev/null
@@ -1,504 +0,0 @@
-/*
- * 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 <AK/HashMap.h>
-#include <AK/NumberFormat.h>
-#include <AK/QuickSort.h>
-#include <AK/String.h>
-#include <AK/StringBuilder.h>
-#include <AK/Utf8View.h>
-#include <AK/Vector.h>
-#include <LibCore/ArgsParser.h>
-#include <LibCore/DateTime.h>
-#include <LibCore/DirIterator.h>
-#include <LibCore/File.h>
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <grp.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <time.h>
-#include <unistd.h>
-
-static int do_file_system_object_long(const char* path);
-static int do_file_system_object_short(const char* path);
-
-static bool flag_classify = false;
-static bool flag_colorize = false;
-static bool flag_long = false;
-static bool flag_show_dotfiles = false;
-static bool flag_show_almost_all_dotfiles = false;
-static bool flag_ignore_backups = false;
-static bool flag_list_directories_only = false;
-static bool flag_show_inode = false;
-static bool flag_print_numeric = false;
-static bool flag_hide_group = false;
-static bool flag_human_readable = false;
-static bool flag_sort_by_timestamp = false;
-static bool flag_reverse_sort = false;
-static bool flag_disable_hyperlinks = false;
-
-static size_t terminal_rows = 0;
-static size_t terminal_columns = 0;
-static bool output_is_terminal = false;
-
-static HashMap<uid_t, String> users;
-static HashMap<gid_t, String> groups;
-
-int main(int argc, char** argv)
-{
-    if (pledge("stdio rpath tty", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    struct winsize ws;
-    int rc = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
-    if (rc == 0) {
-        terminal_rows = ws.ws_row;
-        terminal_columns = ws.ws_col;
-        output_is_terminal = true;
-    }
-    if (!isatty(STDOUT_FILENO)) {
-        flag_disable_hyperlinks = true;
-    } else {
-        flag_colorize = true;
-    }
-
-    if (pledge("stdio rpath", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
-
-    Vector<const char*> paths;
-
-    Core::ArgsParser args_parser;
-    args_parser.set_general_help("List files in a directory.");
-    args_parser.add_option(flag_show_dotfiles, "Show dotfiles", "all", 'a');
-    args_parser.add_option(flag_show_almost_all_dotfiles, "Do not list implied . and .. directories", nullptr, 'A');
-    args_parser.add_option(flag_ignore_backups, "Do not list implied entries ending with ~", "--ignore-backups", 'B');
-    args_parser.add_option(flag_list_directories_only, "List directories themselves, not their contents", "directory", 'd');
-    args_parser.add_option(flag_long, "Display long info", "long", 'l');
-    args_parser.add_option(flag_sort_by_timestamp, "Sort files by timestamp", nullptr, 't');
-    args_parser.add_option(flag_reverse_sort, "Reverse sort order", "reverse", 'r');
-    args_parser.add_option(flag_classify, "Append a file type indicator to entries", "classify", 'F');
-    args_parser.add_option(flag_colorize, "Use pretty colors", nullptr, 'G');
-    args_parser.add_option(flag_show_inode, "Show inode ids", "inode", 'i');
-    args_parser.add_option(flag_print_numeric, "In long format, display numeric UID/GID", "numeric-uid-gid", 'n');
-    args_parser.add_option(flag_hide_group, "In long format, do not show group information", nullptr, 'o');
-    args_parser.add_option(flag_human_readable, "Print human-readable sizes", "human-readable", 'h');
-    args_parser.add_option(flag_disable_hyperlinks, "Disable hyperlinks", "no-hyperlinks", 'K');
-    args_parser.add_positional_argument(paths, "Directory to list", "path", Core::ArgsParser::Required::No);
-    args_parser.parse(argc, argv);
-
-    if (flag_show_almost_all_dotfiles)
-        flag_show_dotfiles = true;
-
-    if (flag_long) {
-        setpwent();
-        for (auto* pwd = getpwent(); pwd; pwd = getpwent())
-            users.set(pwd->pw_uid, pwd->pw_name);
-        endpwent();
-        setgrent();
-        for (auto* grp = getgrent(); grp; grp = getgrent())
-            groups.set(grp->gr_gid, grp->gr_name);
-        endgrent();
-    }
-
-    auto do_file_system_object = [&](const char* path) {
-        if (flag_long)
-            return do_file_system_object_long(path);
-        return do_file_system_object_short(path);
-    };
-
-    int status = 0;
-    if (paths.is_empty()) {
-        status = do_file_system_object(".");
-    } else if (paths.size() == 1) {
-        status = do_file_system_object(paths[0]);
-    } else {
-        for (auto& path : paths) {
-            status = do_file_system_object(path);
-        }
-    }
-    return status;
-}
-
-static int print_escaped(const char* name)
-{
-    int printed = 0;
-
-    Utf8View utf8_name(name);
-    if (utf8_name.validate()) {
-        printf("%s", name);
-        return utf8_name.length();
-    }
-
-    for (int i = 0; name[i] != '\0'; i++) {
-        if (isprint(name[i])) {
-            putchar(name[i]);
-            printed++;
-        } else {
-            printed += printf("\\%03d", name[i]);
-        }
-    }
-
-    return printed;
-}
-
-static String& hostname()
-{
-    static String s_hostname;
-    if (s_hostname.is_null()) {
-        char buffer[HOST_NAME_MAX];
-        if (gethostname(buffer, sizeof(buffer)) == 0)
-            s_hostname = buffer;
-        else
-            s_hostname = "localhost";
-    }
-    return s_hostname;
-}
-
-static size_t print_name(const struct stat& st, const String& name, const char* path_for_link_resolution, const char* path_for_hyperlink)
-{
-    if (!flag_disable_hyperlinks) {
-        auto full_path = Core::File::real_path_for(path_for_hyperlink);
-        if (!full_path.is_null()) {
-            out("\033]8;;file://{}{}\033\\", hostname(), full_path);
-        }
-    }
-
-    size_t nprinted = 0;
-
-    if (!flag_colorize || !output_is_terminal) {
-        nprinted = printf("%s", name.characters());
-    } else {
-        const char* begin_color = "";
-        const char* end_color = "\033[0m";
-
-        if (st.st_mode & S_ISVTX)
-            begin_color = "\033[42;30;1m";
-        else if (st.st_mode & S_ISUID)
-            begin_color = "\033[41;1m";
-        else if (st.st_mode & S_ISGID)
-            begin_color = "\033[43;1m";
-        else if (S_ISLNK(st.st_mode))
-            begin_color = "\033[36;1m";
-        else if (S_ISDIR(st.st_mode))
-            begin_color = "\033[34;1m";
-        else if (st.st_mode & 0111)
-            begin_color = "\033[32;1m";
-        else if (S_ISSOCK(st.st_mode))
-            begin_color = "\033[35;1m";
-        else if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
-            begin_color = "\033[33;1m";
-        printf("%s", begin_color);
-        nprinted = print_escaped(name.characters());
-        printf("%s", end_color);
-    }
-    if (S_ISLNK(st.st_mode)) {
-        if (path_for_link_resolution) {
-            auto link_destination = Core::File::read_link(path_for_link_resolution);
-            if (link_destination.is_null()) {
-                perror("readlink");
-            } else {
-                nprinted += printf(" -> ") + print_escaped(link_destination.characters());
-            }
-        } else {
-            if (flag_classify)
-                nprinted += printf("@");
-        }
-    } else if (S_ISDIR(st.st_mode)) {
-        if (flag_classify)
-            nprinted += printf("/");
-    } else if (st.st_mode & 0111) {
-        if (flag_classify)
-            nprinted += printf("*");
-    }
-
-    if (!flag_disable_hyperlinks) {
-        printf("\033]8;;\033\\");
-    }
-
-    return nprinted;
-}
-
-static bool print_filesystem_object(const String& path, const String& name, const struct stat& st)
-{
-    if (flag_show_inode)
-        printf("%08u ", st.st_ino);
-
-    if (S_ISDIR(st.st_mode))
-        printf("d");
-    else if (S_ISLNK(st.st_mode))
-        printf("l");
-    else if (S_ISBLK(st.st_mode))
-        printf("b");
-    else if (S_ISCHR(st.st_mode))
-        printf("c");
-    else if (S_ISFIFO(st.st_mode))
-        printf("f");
-    else if (S_ISSOCK(st.st_mode))
-        printf("s");
-    else if (S_ISREG(st.st_mode))
-        printf("-");
-    else
-        printf("?");
-
-    printf("%c%c%c%c%c%c%c%c",
-        st.st_mode & S_IRUSR ? 'r' : '-',
-        st.st_mode & S_IWUSR ? 'w' : '-',
-        st.st_mode & S_ISUID ? 's' : (st.st_mode & S_IXUSR ? 'x' : '-'),
-        st.st_mode & S_IRGRP ? 'r' : '-',
-        st.st_mode & S_IWGRP ? 'w' : '-',
-        st.st_mode & S_ISGID ? 's' : (st.st_mode & S_IXGRP ? 'x' : '-'),
-        st.st_mode & S_IROTH ? 'r' : '-',
-        st.st_mode & S_IWOTH ? 'w' : '-');
-
-    if (st.st_mode & S_ISVTX)
-        printf("t");
-    else
-        printf("%c", st.st_mode & S_IXOTH ? 'x' : '-');
-
-    printf(" %u", st.st_nlink);
-
-    auto username = users.get(st.st_uid);
-    if (!flag_print_numeric && username.has_value()) {
-        printf(" %7s", username.value().characters());
-    } else {
-        printf(" %7u", st.st_uid);
-    }
-
-    if (!flag_hide_group) {
-        auto groupname = groups.get(st.st_gid);
-        if (!flag_print_numeric && groupname.has_value()) {
-            printf(" %7s", groupname.value().characters());
-        } else {
-            printf(" %7u", st.st_gid);
-        }
-    }
-
-    if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) {
-        printf("  %4u,%4u ", major(st.st_rdev), minor(st.st_rdev));
-    } else {
-        if (flag_human_readable) {
-            printf(" %10s ", human_readable_size((size_t)st.st_size).characters());
-        } else {
-            printf(" %10zd ", st.st_size);
-        }
-    }
-
-    printf("  %s  ", Core::DateTime::from_timestamp(st.st_mtime).to_string().characters());
-
-    print_name(st, name, path.characters(), path.characters());
-
-    printf("\n");
-    return true;
-}
-
-static int do_file_system_object_long(const char* path)
-{
-    if (flag_list_directories_only) {
-        struct stat stat;
-        int rc = lstat(path, &stat);
-        if (rc < 0) {
-            perror("lstat");
-            memset(&stat, 0, sizeof(stat));
-        }
-        if (print_filesystem_object(path, path, stat))
-            return 0;
-        return 2;
-    }
-
-    auto flags = Core::DirIterator::SkipDots;
-    if (flag_show_dotfiles)
-        flags = Core::DirIterator::Flags::NoFlags;
-    if (flag_show_almost_all_dotfiles)
-        flags = Core::DirIterator::SkipParentAndBaseDir;
-
-    Core::DirIterator di(path, flags);
-
-    if (di.has_error()) {
-        if (di.error() == ENOTDIR) {
-            struct stat stat;
-            int rc = lstat(path, &stat);
-            if (rc < 0) {
-                perror("lstat");
-                memset(&stat, 0, sizeof(stat));
-            }
-            if (print_filesystem_object(path, path, stat))
-                return 0;
-            return 2;
-        }
-        fprintf(stderr, "%s: %s\n", path, di.error_string());
-        return 1;
-    }
-
-    struct FileMetadata {
-        String name;
-        String path;
-        struct stat stat;
-    };
-
-    Vector<FileMetadata> files;
-    while (di.has_next()) {
-        FileMetadata metadata;
-        metadata.name = di.next_path();
-        ASSERT(!metadata.name.is_empty());
-
-        if (metadata.name.ends_with('~') && flag_ignore_backups && metadata.name != path)
-            continue;
-
-        StringBuilder builder;
-        builder.append(path);
-        builder.append('/');
-        builder.append(metadata.name);
-        metadata.path = builder.to_string();
-        ASSERT(!metadata.path.is_null());
-        int rc = lstat(metadata.path.characters(), &metadata.stat);
-        if (rc < 0) {
-            perror("lstat");
-            memset(&metadata.stat, 0, sizeof(metadata.stat));
-        }
-        files.append(move(metadata));
-    }
-
-    quick_sort(files, [](auto& a, auto& b) {
-        if (flag_sort_by_timestamp) {
-            if (flag_reverse_sort)
-                return a.stat.st_mtime > b.stat.st_mtime;
-            return a.stat.st_mtime < b.stat.st_mtime;
-        }
-        // Fine, sort by name then!
-        if (flag_reverse_sort)
-            return a.name > b.name;
-        return a.name < b.name;
-    });
-
-    for (auto& file : files) {
-        if (!print_filesystem_object(file.path, file.name, file.stat))
-            return 2;
-    }
-    return 0;
-}
-
-static bool print_filesystem_object_short(const char* path, const char* name, size_t* nprinted)
-{
-    struct stat st;
-    int rc = lstat(path, &st);
-    if (rc == -1) {
-        printf("lstat(%s) failed: %s\n", path, strerror(errno));
-        return false;
-    }
-
-    if (flag_show_inode)
-        printf("%08u ", st.st_ino);
-
-    *nprinted = print_name(st, name, nullptr, path);
-    return true;
-}
-
-int do_file_system_object_short(const char* path)
-{
-    if (flag_list_directories_only) {
-        size_t nprinted = 0;
-        bool status = print_filesystem_object_short(path, path, &nprinted);
-        printf("\n");
-        if (status)
-            return 0;
-        return 2;
-    }
-
-    auto flags = Core::DirIterator::SkipDots;
-    if (flag_show_dotfiles)
-        flags = Core::DirIterator::Flags::NoFlags;
-    if (flag_show_almost_all_dotfiles)
-        flags = Core::DirIterator::SkipParentAndBaseDir;
-
-    Core::DirIterator di(path, flags);
-    if (di.has_error()) {
-        if (di.error() == ENOTDIR) {
-            size_t nprinted = 0;
-            bool status = print_filesystem_object_short(path, path, &nprinted);
-            printf("\n");
-            if (status)
-                return 0;
-            return 2;
-        }
-        fprintf(stderr, "%s: %s\n", path, di.error_string());
-        return 1;
-    }
-
-    Vector<String> names;
-    size_t longest_name = 0;
-    while (di.has_next()) {
-        String name = di.next_path();
-
-        if (name.ends_with('~') && flag_ignore_backups && name != path)
-            continue;
-
-        names.append(name);
-        if (names.last().length() > longest_name)
-            longest_name = name.length();
-    }
-    quick_sort(names);
-
-    size_t printed_on_row = 0;
-    size_t nprinted = 0;
-    for (size_t i = 0; i < names.size(); ++i) {
-        auto& name = names[i];
-        StringBuilder builder;
-        builder.append(path);
-        builder.append('/');
-        builder.append(name);
-        if (!print_filesystem_object_short(builder.to_string().characters(), name.characters(), &nprinted))
-            return 2;
-        int offset = 0;
-        if (terminal_columns > longest_name)
-            offset = terminal_columns % longest_name / (terminal_columns / longest_name);
-
-        // The offset must be at least 2 because:
-        // - With each file an additional char is printed e.g. '@','*'.
-        // - Each filename must be separated by a space.
-        size_t column_width = longest_name + max(offset, 2);
-        printed_on_row += column_width;
-
-        for (size_t j = nprinted; i != (names.size() - 1) && j < column_width; ++j)
-            printf(" ");
-        if ((printed_on_row + column_width) >= terminal_columns) {
-            printf("\n");
-            printed_on_row = 0;
-        }
-    }
-    if (printed_on_row)
-        printf("\n");
-    return 0;
-}