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Extract keybind actions help generation into a dedicated module

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This commit is contained in:
Bryan Lee
2025-01-13 11:20:00 +08:00
parent 8e2c55a5da
commit 0016199ec3
3 changed files with 111 additions and 101 deletions
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44
src/cli/list_actions.zig
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@@ -2,8 +2,7 @@ const std = @import("std");
const args = @import("args.zig");
const Action = @import("action.zig").Action;
const Allocator = std.mem.Allocator;
const help_strings = @import("help_strings");
const KeybindAction = @import("../input/Binding.zig").Action;
const helpgen_actions = @import("../helpgen_actions.zig");
pub const Options = struct {
/// If `true`, print out documentation about the action associated with the
@@ -37,46 +36,7 @@ pub fn run(alloc: Allocator) !u8 {
}
const stdout = std.io.getStdOut().writer();
var buffer = std.ArrayList(u8).init(std.heap.page_allocator);
defer buffer.deinit();
const fields = @typeInfo(KeybindAction).Union.fields;
inline for (fields) |field| {
if (field.name[0] == '_') continue;
// Write previously stored doc comment below all related actions
if (@hasDecl(help_strings.KeybindAction, field.name)) {
try stdout.writeAll(buffer.items);
try stdout.writeAll("\n");
buffer.clearRetainingCapacity();
}
// Write the field name.
try stdout.writeAll(field.name);
try stdout.writeAll(":\n");
if (@hasDecl(help_strings.KeybindAction, field.name)) {
var iter = std.mem.splitScalar(
u8,
@field(help_strings.KeybindAction, field.name),
'\n',
);
while (iter.next()) |s| {
// If it is the last line and empty, then skip it.
if (iter.peek() == null and s.len == 0) continue;
try buffer.appendSlice(" ");
try buffer.appendSlice(s);
try buffer.appendSlice("\n");
}
}
}
// Write any remaining buffered documentation
if (buffer.items.len > 0) {
try stdout.writeAll(buffer.items);
}
try helpgen_actions.generate(stdout, .plaintext, std.heap.page_allocator);
return 0;
}