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ls: list files in cwd before listing directories when listing paths

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setepenre 2021-04-16 18:56:08 +02:00 • committed by Andreas Kling
parent ec6debb46f
commit c1a0ad764a
1 changed files with 59 additions and 33 deletions
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92
Userland/Utilities/ls.cpp
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@ -51,6 +51,8 @@
static int do_file_system_object_long(const char* path);
static int do_file_system_object_short(const char* path);
static bool print_names(const char* path, size_t longest_name, const Vector<String>& names);
static bool flag_classify = false;
static bool flag_colorize = false;
static bool flag_long = false;
@ -145,20 +147,39 @@ int main(int argc, char** argv)
} else if (paths.size() == 1) {
status = do_file_system_object(paths[0]);
} else {
Vector<const char*> exists;
Vector<const char*> directories;
Vector<String> names;
size_t longest_name = 0;
for (auto& path : paths) {
if (Core::File::exists(path)) {
exists.append(path);
if (Core::File::is_directory(path)) {
directories.append(path);
} else {
names.append(path);
if (names.last().length() > longest_name)
longest_name = names.last().length();
}
} else {
status = do_file_system_object(path);
}
}
for (size_t i = 0; i < exists.size(); ++i) {
auto path = exists.at(i);
quick_sort(names);
if (print_names(".", longest_name, names)) {
printf("\n");
}
if (names.size() > 0) {
printf("\n");
}
quick_sort(directories, [](String a, String b) { return a < b; });
for (size_t i = 0; i < directories.size(); ++i) {
auto path = directories.at(i);
printf("%s:\n", path);
status = do_file_system_object(path);
if (i + 1 == exists.size() - 1) {
if (i < directories.size() - 1) {
printf("\n");
}
}
@ -440,6 +461,38 @@ static bool print_filesystem_object_short(const char* path, const char* name, si
return true;
}
static bool print_names(const char* path, size_t longest_name, const Vector<String>& 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;
}
}
return printed_on_row;
}
int do_file_system_object_short(const char* path)
{
if (flag_list_directories_only) {
@ -485,34 +538,7 @@ int do_file_system_object_short(const char* path)
}
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)
if (print_names(path, longest_name, names))
printf("\n");
return 0;
}