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Refactor nextbuffer_cmd

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This commit is contained in:
Eike Plack 2015-04-15 02:43:16 +02:00
parent 0f9b210e3f
commit 2cf45ddb21
1 changed files with 50 additions and 24 deletions
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46
src/commands.cc
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@ -377,15 +377,8 @@ const CommandDesc buffer_cmd = {
}
};
const CommandDesc nextbuffer_cmd = {
"nextbuffer",
"nb",
"nextbuffer: move to the next buffer in the list",
no_params,
CommandFlags::None,
CommandHelper{},
CommandCompleter{},
[](const ParametersParser& parser, Context& context)
template<bool next>
void cycle_buffer(const ParametersParser& parser, Context& context)
{
Buffer* oldbuf = &context.buffer();
auto it = find_if(BufferManager::instance(),
@ -393,8 +386,19 @@ const CommandDesc nextbuffer_cmd = {
{ return lhs.get() == oldbuf; });
kak_assert(it != BufferManager::instance().end());
if (not next)
{
if (it == BufferManager::instance().begin())
it = BufferManager::instance().end();
it = std::prev(it,1);
}
else
{
if (++it == BufferManager::instance().end())
it = BufferManager::instance().begin();
}
Buffer* newbuf = it->get();
@ -405,6 +409,27 @@ const CommandDesc nextbuffer_cmd = {
context.change_buffer(*newbuf);
}
}
const CommandDesc buffernext_cmd = {
"buffernext",
"bn",
"buffernext: move to the next buffer in the list",
no_params,
CommandFlags::None,
CommandHelper{},
CommandCompleter{},
cycle_buffer<true>
};
const CommandDesc bufferprev_cmd = {
"bufferprev",
"bp",
"bufferprev: move to the previous buffer in the list",
no_params,
CommandFlags::None,
CommandHelper{},
CommandCompleter{},
cycle_buffer<false>
};
template<bool force>
@ -1549,7 +1574,8 @@ void register_commands()
register_command(write_quit_cmd);
register_command(force_write_quit_cmd);
register_command(buffer_cmd);
register_command(nextbuffer_cmd);
register_command(buffernext_cmd);
register_command(bufferprev_cmd);
register_command(delbuf_cmd);
register_command(force_delbuf_cmd);
register_command(namebuf_cmd);