Revert "Fixed documentation generation in list-actions --docs command (ghostty-org#4974)"

This reverts commit f3d0c7c, reversing
changes made to 4b77a1c.

Author: mitchellh

src/build/webgen/main_actions.zig

@@ -1,8 +1,58 @@
 const std = @import("std");
 const help_strings = @import("help_strings");
-const helpgen_actions = @import("../../helpgen_actions.zig");
+const KeybindAction = @import("../../input/Binding.zig").Action;
 
 pub fn main() !void {
     const output = std.io.getStdOut().writer();
-    try helpgen_actions.generate(output, .markdown, std.heap.page_allocator);
+    try genKeybindActions(output);
+}
+
+pub fn genKeybindActions(writer: anytype) !void {
+    // Write the header
+    try writer.writeAll(
+        \\---
+        \\title: Keybinding Action Reference
+        \\description: Reference of all Ghostty keybinding actions.
+        \\editOnGithubLink: https://github.com/ghostty-org/ghostty/edit/main/src/input/Binding.zig
+        \\---
+        \\
+        \\This is a reference of all Ghostty keybinding actions.
+        \\
+        \\
+    );
+
+    @setEvalBranchQuota(5_000);
+
+    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 writer.writeAll(buffer.items);
+            try writer.writeAll("\n");
+
+            buffer.clearRetainingCapacity();
+        }
+
+        // Write the field name.
+        try writer.writeAll("## `");
+        try writer.writeAll(field.name);
+        try writer.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| {
+                try buffer.appendSlice(s);
+                try buffer.appendSlice("\n");
+            }
+        }
+    }
 }

src/cli/list_actions.zig

@@ -2,7 +2,7 @@ const std = @import("std");
 const args = @import("args.zig");
 const Action = @import("action.zig").Action;
 const Allocator = std.mem.Allocator;
-const helpgen_actions = @import("../helpgen_actions.zig");
+const help_strings = @import("help_strings");
 
 pub const Options = struct {
     /// If `true`, print out documentation about the action associated with the
@@ -38,7 +38,19 @@ pub fn run(alloc: Allocator) !u8 {
     }
 
     const stdout = std.io.getStdOut().writer();
-    try helpgen_actions.generate(stdout, .plaintext, std.heap.page_allocator);
+    const info = @typeInfo(help_strings.KeybindAction);
+    inline for (info.Struct.decls) |field| {
+        try stdout.print("{s}", .{field.name});
+        if (opts.docs) {
+            try stdout.print(":\n", .{});
+            var iter = std.mem.splitScalar(u8, std.mem.trimRight(u8, @field(help_strings.KeybindAction, field.name), &std.ascii.whitespace), '\n');
+            while (iter.next()) |line| {
+                try stdout.print("  {s}\n", .{line});
+            }
+        } else {
+            try stdout.print("\n", .{});
+        }
+    }
 
     return 0;
 }

src/input/Binding.zig

@@ -236,9 +236,9 @@ pub const Action = union(enum) {
     /// Send an `ESC` sequence.
     esc: []const u8,
 
-    /// Send the given text. Uses Zig string literal syntax. This is currently
-    /// not validated. If the text is invalid (i.e. contains an invalid escape
-    /// sequence), the error will currently only show up in logs.
+    // Send the given text. Uses Zig string literal syntax. This is currently
+    // not validated. If the text is invalid (i.e. contains an invalid escape
+    // sequence), the error will currently only show up in logs.
     text: []const u8,
 
     /// Send data to the pty depending on whether cursor key mode is enabled