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Merge pull request #1474 from jcollie/fish-completions

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Generate fish command completions for Ghostty.
This commit is contained in:
Mitchell Hashimoto
2024-02-06 08:56:23 -08:00
committed by GitHub
parent 238f86dda5 6eb24a1c67
commit ba2cd0d16b
2 changed files with 177 additions and 0 deletions
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164
src/build/fish_completions.zig Normal file
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const std = @import("std");
const Config = @import("../config/Config.zig");
const Action = @import("../cli/action.zig").Action;
const ListFontsConfig = @import("../cli/list_fonts.zig").Config;
const ShowConfigOptions = @import("../cli/show_config.zig").Options;
const ListKeybindsOptions = @import("../cli/list_keybinds.zig").Options;
/// A fish completions configuration that contains all the available commands
/// and options.
pub const fish_completions = comptimeGenerateFishCompletions();
fn comptimeGenerateFishCompletions() []const u8 {
comptime {
@setEvalBranchQuota(10000);
var counter = std.io.countingWriter(std.io.null_writer);
try writeFishCompletions(&counter.writer());
var buf: [counter.bytes_written]u8 = undefined;
var stream = std.io.fixedBufferStream(&buf);
try writeFishCompletions(stream.writer());
return stream.getWritten();
}
}
fn writeFishCompletions(writer: anytype) !void {
{
try writer.writeAll("set -l commands \"");
var count: usize = 0;
for (@typeInfo(Action).Enum.fields) |field| {
if (std.mem.eql(u8, "help", field.name)) continue;
if (std.mem.eql(u8, "version", field.name)) continue;
if (count > 0) try writer.writeAll(" ");
try writer.writeAll("+");
try writer.writeAll(field.name);
count += 1;
}
try writer.writeAll("\"\n");
}
try writer.writeAll("complete -c ghostty -f\n");
try writer.writeAll("complete -c ghostty -l help -f\n");
try writer.writeAll("complete -c ghostty -n \"not __fish_seen_subcommand_from $commands\" -l version -f\n");
for (@typeInfo(Config).Struct.fields) |field| {
if (field.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"not __fish_seen_subcommand_from $commands\" -l ");
try writer.writeAll(field.name);
try writer.writeAll(if (field.type != bool) " -r" else " ");
if (std.mem.startsWith(u8, field.name, "font-family"))
try writer.writeAll(" -f -a \"(ghostty +list-fonts | grep '^[A-Z]')\"")
else if (std.mem.eql(u8, "theme", field.name))
try writer.writeAll(" -f -a \"(ghostty +list-themes)\"")
else if (std.mem.eql(u8, "working-directory", field.name))
try writer.writeAll(" -f -k -a \"(__fish_complete_directories)\"")
else {
try writer.writeAll(if (field.type != Config.RepeatablePath) " -f" else " -F");
switch (@typeInfo(field.type)) {
.Bool => try writer.writeAll(" -a \"true false\""),
.Enum => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
.Struct => |info| {
if (!@hasDecl(field.type, "parseCLI") and info.layout == .Packed) {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
try writer.writeAll(" no-");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
}
},
else => {},
}
}
try writer.writeAll("\n");
}
{
try writer.writeAll("complete -c ghostty -n \"string match -q -- '+*' (commandline -pt)\" -f -a \"");
var count: usize = 0;
for (@typeInfo(Action).Enum.fields) |field| {
if (std.mem.eql(u8, "help", field.name)) continue;
if (std.mem.eql(u8, "version", field.name)) continue;
if (count > 0) try writer.writeAll(" ");
try writer.writeAll("+");
try writer.writeAll(field.name);
count += 1;
}
try writer.writeAll("\"\n");
}
for (@typeInfo(ListFontsConfig).Struct.fields) |field| {
if (field.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"__fish_seen_subcommand_from +list-fonts\" -l ");
try writer.writeAll(field.name);
try writer.writeAll(if (field.type != bool) " -r" else " ");
try writer.writeAll(" -f");
switch (@typeInfo(field.type)) {
.Bool => try writer.writeAll(" -a \"true false\""),
.Enum => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
else => {},
}
try writer.writeAll("\n");
}
for (@typeInfo(ShowConfigOptions).Struct.fields) |field| {
if (field.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"__fish_seen_subcommand_from +show-config\" -l ");
try writer.writeAll(field.name);
try writer.writeAll(if (field.type != bool) " -r" else " ");
try writer.writeAll(" -f");
switch (@typeInfo(field.type)) {
.Bool => try writer.writeAll(" -a \"true false\""),
.Enum => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
else => {},
}
try writer.writeAll("\n");
}
for (@typeInfo(ListKeybindsOptions).Struct.fields) |field| {
if (field.name[0] == '_') continue;
try writer.writeAll("complete -c ghostty -n \"__fish_seen_subcommand_from +list-keybinds\" -l ");
try writer.writeAll(field.name);
try writer.writeAll(if (field.type != bool) " -r" else " ");
try writer.writeAll(" -f");
switch (@typeInfo(field.type)) {
.Bool => try writer.writeAll(" -a \"true false\""),
.Enum => |info| {
try writer.writeAll(" -a \"");
for (info.fields, 0..) |f, i| {
if (i > 0) try writer.writeAll(" ");
try writer.writeAll(f.name);
}
try writer.writeAll("\"");
},
else => {},
}
try writer.writeAll("\n");
}
}