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