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formatting changes in command_manager.cc

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This commit is contained in:
Maxime Coste 2014-04-08 19:54:32 +01:00
parent 341311c442
commit 20d20ae1dc
2 changed files with 66 additions and 35 deletions
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93
src/command_manager.cc
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@ -23,7 +23,11 @@ void CommandManager::register_command(String command_name,
CommandFlags flags, CommandFlags flags,
CommandCompleter completer) CommandCompleter completer)
{ {
m_commands[command_name] = { std::move(command), std::move(docstring), std::move(param_desc), flags, std::move(completer) }; m_commands[command_name] = { std::move(command),
std::move(docstring),
std::move(param_desc),
flags,
std::move(completer) };
} }
void CommandManager::register_commands(memoryview<String> command_names, void CommandManager::register_commands(memoryview<String> command_names,
@ -34,7 +38,11 @@ void CommandManager::register_commands(memoryview<String> command_names,
CommandCompleter completer) CommandCompleter completer)
{ {
kak_assert(not command_names.empty()); kak_assert(not command_names.empty());
m_commands[command_names[0]] = { std::move(command), std::move(docstring), std::move(param_desc), flags, completer }; m_commands[command_names[0]] = { std::move(command),
std::move(docstring),
std::move(param_desc),
flags,
completer };
for (size_t i = 1; i < command_names.size(); ++i) for (size_t i = 1; i < command_names.size(); ++i)
m_aliases[command_names[i]] = command_names[0]; m_aliases[command_names[i]] = command_names[0];
} }
@ -190,7 +198,8 @@ Token parse_percent_token(const String& line, ByteCount& pos)
String type_name = line.substr(type_start, pos - type_start); String type_name = line.substr(type_start, pos - type_start);
if (throw_on_unterminated and pos == length) if (throw_on_unterminated and pos == length)
throw parse_error{"expected a string delimiter after '%" + type_name + "'"}; throw parse_error{"expected a string delimiter after '%" +
type_name + "'"};
Token::Type type = token_type<throw_on_unterminated>(type_name); Token::Type type = token_type<throw_on_unterminated>(type_name);
static const std::unordered_map<char, char> matching_delimiters = { static const std::unordered_map<char, char> matching_delimiters = {
@ -239,12 +248,14 @@ TokenList parse(const String& line)
token_start = ++pos; token_start = ++pos;
String token = get_until_delimiter(line, pos, delimiter); String token = get_until_delimiter(line, pos, delimiter);
if (throw_on_unterminated and pos == length) if (throw_on_unterminated and pos == length)
throw unterminated_string(String{delimiter}, String{delimiter}); throw unterminated_string(String{delimiter},
String{delimiter});
result.emplace_back(Token::Type::Raw, token_start, result.emplace_back(Token::Type::Raw, token_start,
pos, std::move(token)); pos, std::move(token));
} }
else if (line[pos] == '%') else if (line[pos] == '%')
result.push_back(parse_percent_token<throw_on_unterminated>(line, pos)); result.push_back(
parse_percent_token<throw_on_unterminated>(line, pos));
else else
{ {
while (pos != length and while (pos != length and
@ -257,12 +268,13 @@ TokenList parse(const String& line)
auto token = line.substr(token_start, pos - token_start); auto token = line.substr(token_start, pos - token_start);
static const Regex regex{R"(\\([ \t;\n]))"}; static const Regex regex{R"(\\([ \t;\n]))"};
result.emplace_back(Token::Type::Raw, token_start, pos, result.emplace_back(Token::Type::Raw, token_start, pos,
boost::regex_replace(token, regex, "\\1")); boost::regex_replace(token, regex,
"\\1"));
} }
} }
if (is_command_separator(line[pos])) if (is_command_separator(line[pos]))
result.push_back(Token{ Token::Type::CommandSeparator, pos, pos+1 }); result.emplace_back(Token::Type::CommandSeparator, pos, pos+1);
++pos; ++pos;
} }
@ -305,21 +317,22 @@ String eval_token(const Token& token, Context& context,
memoryview<String> shell_params, memoryview<String> shell_params,
const EnvVarMap& env_vars) const EnvVarMap& env_vars)
{ {
auto& content = token.content();
switch (token.type()) switch (token.type())
{ {
case Token::Type::ShellExpand: case Token::Type::ShellExpand:
return ShellManager::instance().eval(token.content(), context, return ShellManager::instance().eval(content, context, shell_params,
shell_params, env_vars); env_vars);
case Token::Type::RegisterExpand: case Token::Type::RegisterExpand:
if (token.content().length() != 1) if (content.length() != 1)
throw runtime_error("wrong register name: " + token.content()); throw runtime_error("wrong register name: " + content);
return RegisterManager::instance()[token.content()[0]].values(context)[0]; return RegisterManager::instance()[content[0]].values(context)[0];
case Token::Type::OptionExpand: case Token::Type::OptionExpand:
return context.options()[token.content()].get_as_string(); return context.options()[content].get_as_string();
case Token::Type::RawEval: case Token::Type::RawEval:
return eval(token.content(), context, shell_params, env_vars); return eval(content, context, shell_params, env_vars);
case Token::Type::Raw: case Token::Type::Raw:
return token.content(); return content;
default: kak_assert(false); default: kak_assert(false);
} }
return {}; return {};
@ -333,7 +346,8 @@ struct command_not_found : runtime_error
: runtime_error(command + " : no such command") {} : runtime_error(command + " : no such command") {}
}; };
CommandManager::CommandMap::const_iterator CommandManager::find_command(const String& name) const CommandManager::CommandMap::const_iterator
CommandManager::find_command(const String& name) const
{ {
auto it = m_aliases.find(name); auto it = m_aliases.find(name);
const String& cmd_name = it == m_aliases.end() ? name : it->second; const String& cmd_name = it == m_aliases.end() ? name : it->second;
@ -351,7 +365,10 @@ void CommandManager::execute_single_command(CommandParameters params,
auto command_it = find_command(params[0]); auto command_it = find_command(params[0]);
if (command_it == m_commands.end()) if (command_it == m_commands.end())
throw command_not_found(params[0]); throw command_not_found(params[0]);
command_it->second.command(ParametersParser(param_view, command_it->second.param_desc), context);
ParametersParser parameter_parser(param_view,
command_it->second.param_desc);
command_it->second.command(parameter_parser, context);
} }
void CommandManager::execute(const String& command_line, void CommandManager::execute(const String& command_line,
@ -375,7 +392,8 @@ void CommandManager::execute(const String& command_line,
else if (it->type() == Token::Type::ShellExpand) else if (it->type() == Token::Type::ShellExpand)
{ {
auto shell_tokens = parse<true>(eval_token(*it, context, auto shell_tokens = parse<true>(eval_token(*it, context,
shell_params, env_vars)); shell_params,
env_vars));
it = tokens.erase(it); it = tokens.erase(it);
for (auto& token : shell_tokens) for (auto& token : shell_tokens)
it = ++tokens.insert(it, std::move(token)); it = ++tokens.insert(it, std::move(token));
@ -386,12 +404,13 @@ void CommandManager::execute(const String& command_line,
it -= shell_tokens.size() + 1; it -= shell_tokens.size() + 1;
} }
else else
params.push_back(eval_token(*it, context, shell_params, env_vars)); params.push_back(eval_token(*it, context, shell_params,
env_vars));
} }
execute_single_command(params, context); execute_single_command(params, context);
} }
std::pair<String, String> CommandManager::command_info(const String& command_line) const CommandInfo CommandManager::command_info(const String& command_line) const
{ {
TokenList tokens = parse<false>(command_line); TokenList tokens = parse<false>(command_line);
size_t cmd_idx = 0; size_t cmd_idx = 0;
@ -402,7 +421,8 @@ std::pair<String, String> CommandManager::command_info(const String& command_lin
} }
std::pair<String, String> res; std::pair<String, String> res;
if (cmd_idx == tokens.size() or tokens[cmd_idx].type() != Token::Type::Raw) if (cmd_idx == tokens.size() or
tokens[cmd_idx].type() != Token::Type::Raw)
return res; return res;
auto cmd = find_command(tokens[cmd_idx].content()); auto cmd = find_command(tokens[cmd_idx].content());
@ -422,8 +442,10 @@ std::pair<String, String> CommandManager::command_info(const String& command_lin
return res; return res;
} }
Completions CommandManager::complete(const Context& context, CompletionFlags flags, Completions CommandManager::complete(const Context& context,
const String& command_line, ByteCount cursor_pos) CompletionFlags flags,
const String& command_line,
ByteCount cursor_pos)
{ {
TokenList tokens = parse<false>(command_line); TokenList tokens = parse<false>(command_line);
@ -446,7 +468,8 @@ Completions CommandManager::complete(const Context& context, CompletionFlags fla
(tok_idx == cmd_idx and (tok_idx == tokens.size() or (tok_idx == cmd_idx and (tok_idx == tokens.size() or
tokens[tok_idx].type() == Token::Type::Raw))) tokens[tok_idx].type() == Token::Type::Raw)))
{ {
ByteCount cmd_start = tok_idx == tokens.size() ? cursor_pos const bool is_end_token = tok_idx == tokens.size();
ByteCount cmd_start = is_end_token ? cursor_pos
: tokens[tok_idx].begin(); : tokens[tok_idx].begin();
Completions result(cmd_start, cursor_pos); Completions result(cmd_start, cursor_pos);
String prefix = command_line.substr(cmd_start, String prefix = command_line.substr(cmd_start,
@ -476,12 +499,14 @@ Completions CommandManager::complete(const Context& context, CompletionFlags fla
case Token::Type::OptionExpand: case Token::Type::OptionExpand:
{ {
Completions result(start , cursor_pos); Completions result(start , cursor_pos);
result.candidates = context.options().complete_option_name(tokens[tok_idx].content(), cursor_pos_in_token); result.candidates = context.options().complete_option_name(
tokens[tok_idx].content(), cursor_pos_in_token);
return result; return result;
} }
case Token::Type::ShellExpand: case Token::Type::ShellExpand:
{ {
Completions shell_completions = shell_complete(context, flags, tokens[tok_idx].content(), cursor_pos_in_token); Completions shell_completions = shell_complete(
context, flags, tokens[tok_idx].content(), cursor_pos_in_token);
shell_completions.start += start; shell_completions.start += start;
shell_completions.end += start; shell_completions.end += start;
return shell_completions; return shell_completions;
@ -494,16 +519,18 @@ Completions CommandManager::complete(const Context& context, CompletionFlags fla
const String& command_name = tokens[cmd_idx].content(); const String& command_name = tokens[cmd_idx].content();
auto command_it = find_command(command_name); auto command_it = find_command(command_name);
if (command_it == m_commands.end() or not command_it->second.completer) if (command_it == m_commands.end() or
not command_it->second.completer)
return Completions(); return Completions();
std::vector<String> params; std::vector<String> params;
for (auto token_it = tokens.begin() + cmd_idx + 1; token_it != tokens.end(); ++token_it) for (auto token_it = tokens.begin() + cmd_idx + 1;
token_it != tokens.end(); ++token_it)
params.push_back(token_it->content()); params.push_back(token_it->content());
if (tok_idx == tokens.size()) if (tok_idx == tokens.size())
params.push_back(""); params.push_back("");
Completions completions = command_it->second.completer(context, flags, params, Completions completions = command_it->second.completer(
tok_idx - cmd_idx - 1, context, flags, params, tok_idx - cmd_idx - 1,
cursor_pos_in_token); cursor_pos_in_token);
completions.start += start; completions.start += start;
completions.end += start; completions.end += start;
@ -519,7 +546,8 @@ Completions PerArgumentCommandCompleter::operator()(const Context& context,
CompletionFlags flags, CompletionFlags flags,
CommandParameters params, CommandParameters params,
size_t token_to_complete, size_t token_to_complete,
ByteCount pos_in_token) const ByteCount pos_in_token)
const
{ {
if (token_to_complete >= m_completers.size()) if (token_to_complete >= m_completers.size())
return Completions{}; return Completions{};
@ -529,7 +557,8 @@ Completions PerArgumentCommandCompleter::operator()(const Context& context,
const String& argument = token_to_complete < params.size() ? const String& argument = token_to_complete < params.size() ?
params[token_to_complete] : String(); params[token_to_complete] : String();
return m_completers[token_to_complete](context, flags, argument, pos_in_token); return m_completers[token_to_complete](context, flags, argument,
pos_in_token);
} }
} }

4
src/command_manager.hh
View File

@ -57,6 +57,8 @@ private:
std::vector<ArgumentCompleter> m_completers; std::vector<ArgumentCompleter> m_completers;
}; };
using CommandInfo = std::pair<String, String>;
class CommandManager : public Singleton<CommandManager> class CommandManager : public Singleton<CommandManager>
{ {
public: public:
@ -67,7 +69,7 @@ public:
Completions complete(const Context& context, CompletionFlags flags, Completions complete(const Context& context, CompletionFlags flags,
const String& command_line, ByteCount cursor_pos); const String& command_line, ByteCount cursor_pos);
std::pair<String, String> command_info(const String& command_line) const; CommandInfo command_info(const String& command_line) const;
bool command_defined(const String& command_name) const; bool command_defined(const String& command_name) const;