neurocyte/flow
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feat: Add --list-languages command line parameter

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CJ van den Berg 2024-07-30 21:55:50 +02:00
parent 42ee6459e6
commit 7ccc0e15f6
3 changed files with 76 additions and 2 deletions
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65
src/list_languages.zig Normal file
View file

@ -0,0 +1,65 @@
const syntax = @import("syntax");
pub fn list(writer: anytype) !void {
var max_language_len: usize = 0;
var max_langserver_len: usize = 0;
var max_formatter_len: usize = 0;
var max_extensions_len: usize = 0;
for (syntax.FileType.file_types) |file_type| {
max_language_len = @max(max_language_len, file_type.name.len);
max_langserver_len = @max(max_langserver_len, args_string_length(file_type.language_server));
max_formatter_len = @max(max_formatter_len, args_string_length(file_type.formatter));
max_extensions_len = @max(max_extensions_len, args_string_length(file_type.extensions));
}
try write_string(writer, "Language", max_language_len + 1);
try write_string(writer, "Extensions", max_extensions_len + 1);
try write_string(writer, "Language Server", max_langserver_len + 1);
try write_string(writer, "Formatter", max_formatter_len);
try writer.writeAll("\n");
for (syntax.FileType.file_types) |file_type| {
try write_string(writer, file_type.name, max_language_len + 1);
try write_segmented(writer, file_type.extensions, ",", max_extensions_len + 1);
try write_segmented(writer, file_type.language_server, " ", max_langserver_len + 1);
try write_segmented(writer, file_type.formatter, " ", max_formatter_len);
try writer.writeAll("\n");
}
}
fn args_string_length(args_: ?[]const []const u8) usize {
const args = args_ orelse return 0;
var len: usize = 0;
var first: bool = true;
for (args) |arg| {
if (first) first = false else len += 1;
len += arg.len;
}
return len;
}
fn write_string(writer: anytype, string: []const u8, pad: usize) !void {
try writer.writeAll(string);
try write_padding(writer, string.len, pad);
}
fn write_segmented(writer: anytype, args_: ?[]const []const u8, sep: []const u8, pad: usize) !void {
const args = args_ orelse return;
var len: usize = 0;
var first: bool = true;
for (args) |arg| {
if (first) first = false else {
len += 1;
try writer.writeAll(sep);
}
len += arg.len;
try writer.writeAll(arg);
}
try write_padding(writer, len, pad);
}
fn write_padding(writer: anytype, len: usize, pad_len: usize) !void {
for (0..pad_len - len) |_| try writer.writeAll(" ");
}

6
src/main.zig
View file

@ -4,6 +4,8 @@ const thespian = @import("thespian");
const clap = @import("clap");
const builtin = @import("builtin");
const list_languages = @import("list_languages.zig");
const c = @cImport({
@cInclude("locale.h");
});
@ -38,6 +40,7 @@ pub fn main() anyerror!void {
\\--show-input Open the input view on start.
\\--show-log Open the log view on start.
\\-l, --language <lang> Force the language of the file to be opened.
\\--list-languages Show available languages.
\\-v, --version Show build version and exit.
\\<file>... File or directory to open.
\\ Add +<LINE> to the command line or append
@ -77,6 +80,9 @@ pub fn main() anyerror!void {
if (res.args.version != 0)
return std.io.getStdOut().writeAll(@embedFile("version_info"));
if (res.args.@"list-languages" != 0)
return list_languages.list(std.io.getStdOut().writer());
if (builtin.os.tag != .windows)
if (std.posix.getenv("JITDEBUG")) |_| thespian.install_debugger();