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feat: in list_languages write a checkmark behind an executable and x if not an executable

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Yhya Ibrahim 2024-09-02 20:21:20 +03:00
parent 7b812d73ea
commit adf1725737
1 changed files with 38 additions and 1 deletions
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39
src/list_languages.zig
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@ -1,6 +1,7 @@
const std = @import("std");
const syntax = @import("syntax");
pub fn list(writer: anytype) !void {
pub fn list(allocator: std.mem.Allocator, writer: anytype) !void {
var max_language_len: usize = 0;
var max_langserver_len: usize = 0;
var max_formatter_len: usize = 0;
@ -19,10 +20,25 @@ pub fn list(writer: anytype) !void {
try write_string(writer, "Formatter", max_formatter_len);
try writer.writeAll("\n");
const bin_paths = std.process.getEnvVarOwned(allocator, "PATH") catch |err| switch (err) {
error.OutOfMemory => return error.OutOfMemory,
error.EnvironmentVariableNotFound, error.InvalidWtf8 => &.{},
};
defer allocator.free(bin_paths);
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);
if (file_type.language_server) |language_server|
try write_checkmark(writer, try can_execute(allocator, bin_paths, language_server[0]));
try write_segmented(writer, file_type.language_server, " ", max_langserver_len + 1);
if (file_type.formatter) |formatter|
try write_checkmark(writer, try can_execute(allocator, bin_paths, formatter[0]));
try write_segmented(writer, file_type.formatter, " ", max_formatter_len);
try writer.writeAll("\n");
}
@ -44,6 +60,11 @@ fn write_string(writer: anytype, string: []const u8, pad: usize) !void {
try write_padding(writer, string.len, pad);
}
fn write_checkmark(writer: anytype, value: bool) !void {
if (value) try writer.writeAll("✓") else try writer.writeAll("✘");
try writer.writeAll(" ");
}
fn write_segmented(writer: anytype, args_: ?[]const []const u8, sep: []const u8, pad: usize) !void {
const args = args_ orelse return;
var len: usize = 0;
@ -63,3 +84,19 @@ fn write_padding(writer: anytype, len: usize, pad_len: usize) !void {
for (0..pad_len - len) |_| try writer.writeAll(" ");
}
fn can_execute(allocator: std.mem.Allocator, bin_paths: []const u8, file_path: []const u8) std.mem.Allocator.Error!bool {
if (!std.process.can_spawn) return false;
var bin_path_iterator = std.mem.splitAny(u8, bin_paths, ":");
while (bin_path_iterator.next()) |bin_path| {
const resolved_file_path = try std.fs.path.resolve(allocator, &.{ bin_path, file_path });
defer allocator.free(resolved_file_path);
std.posix.access(resolved_file_path, std.posix.X_OK) catch continue;
return true;
}
return false;
}