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Use and extract functions for completing scope arguments

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Not really attached to this but it enables the next commit to use
menu() for completing scopes.

This refactoring is possible because we always have

	params[token_to_complete].length() == pos_in_token

---

Instead of three separate functions, I originally tried to add
template arguments to complete_scope().  That worked fine with g++
12.1 but clang 14.0 complained when wrapping a menu() around a
complete_scope() that relied on defaulted template arguments:

	commands.cc:1087:20: error: no matching function for call to 'menu'
	    make_completer(menu(complete_scope), menu(complete_hooks), complete_nothing,
	                   ^~~~
	commands.cc:116:6: note: candidate template ignored: couldn't infer template argument 'Completer'
	auto menu(Completer completer)
	     ^
This commit is contained in:
Johannes Altmanninger 2022-07-19 11:26:56 +02:00
parent 23fcf77160
commit 5aa0241124
1 changed files with 21 additions and 16 deletions
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37
src/commands.cc
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@ -190,11 +190,24 @@ const ParameterDesc single_param{ {}, ParameterDesc::Flags::None, 1, 1 };
const ParameterDesc single_optional_param{ {}, ParameterDesc::Flags::None, 0, 1 };
const ParameterDesc double_params{ {}, ParameterDesc::Flags::None, 2, 2 };
static constexpr auto scopes = { "global", "buffer", "window" };
static Completions complete_scope(const Context&, CompletionFlags,
StringView prefix, ByteCount cursor_pos)
{
static constexpr StringView scopes[] = { "global", "buffer", "window", };
return { 0_byte, cursor_pos, complete(prefix, cursor_pos, scopes) };
}
static Completions complete_scope_including_current(const Context&, CompletionFlags,
StringView prefix, ByteCount cursor_pos)
{
static constexpr StringView scopes[] = { "global", "buffer", "window", "current" };
return { 0_byte, cursor_pos, complete(prefix, cursor_pos, scopes) };
}
static Completions complete_scope_no_global(const Context&, CompletionFlags,
StringView prefix, ByteCount cursor_pos)
{
static constexpr StringView scopes[] = { "buffer", "window", "current" };
return { 0_byte, cursor_pos, complete(prefix, cursor_pos, scopes) };
}
@ -1120,8 +1133,7 @@ const CommandDesc remove_hook_cmd = {
ByteCount pos_in_token) -> Completions
{
if (token_to_complete == 0)
return { 0_byte, params[0].length(),
complete(params[0], pos_in_token, scopes) };
return complete_scope(context, flags, params[0], pos_in_token);
else if (token_to_complete == 1)
{
if (auto scope = get_scope_ifp(params[0], context))
@ -1662,15 +1674,12 @@ const CommandDesc set_option_cmd = {
},
CommandFlags::None,
option_doc_helper,
[](const Context& context, CompletionFlags,
[](const Context& context, CompletionFlags flags,
CommandParameters params, size_t token_to_complete,
ByteCount pos_in_token) -> Completions
{
static constexpr auto scopes = { "global", "buffer", "window", "current" };
if (token_to_complete == 0)
return { 0_byte, params[0].length(),
complete(params[0], pos_in_token, scopes) };
return complete_scope_including_current(context, flags, params[0], pos_in_token);
else if (token_to_complete == 1)
return { 0_byte, params[1].length(),
GlobalScope::instance().option_registry().complete_option_name(params[1], pos_in_token) };
@ -1701,15 +1710,12 @@ const CommandDesc set_option_cmd = {
}
};
Completions complete_option(const Context& context, CompletionFlags,
Completions complete_option(const Context& context, CompletionFlags flags,
CommandParameters params, size_t token_to_complete,
ByteCount pos_in_token)
{
if (token_to_complete == 0)
{
static constexpr auto scopes = { "buffer", "window", "current" };
return { 0_byte, params[0].length(), complete(params[0], pos_in_token, scopes) };
}
return complete_scope_no_global(context, flags, params[0], pos_in_token);
else if (token_to_complete == 1)
return { 0_byte, params[1].length(),
GlobalScope::instance().option_registry().complete_option_name(params[1], pos_in_token) };
@ -1828,8 +1834,7 @@ static Completions map_key_completer(const Context& context, CompletionFlags fla
ByteCount pos_in_token)
{
if (token_to_complete == 0)
return { 0_byte, params[0].length(),
complete(params[0], pos_in_token, scopes) };
return complete_scope(context, flags, params[0], pos_in_token);
if (token_to_complete == 1)
{
auto& user_modes = get_scope(params[0], context).keymaps().user_modes();