External/cxxopts
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Finalize help

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This commit is contained in:
Baptiste Wicht 2014-10-29 17:04:53 +01:00
parent e09bb9052a
commit 0639e086ea
1 changed files with 32 additions and 15 deletions
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47
src/cxxopts.hpp
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@ -233,9 +233,12 @@ namespace cxxopts
virtual bool
has_implicit() const = 0;
virtual std::string
virtual std::string
get_default_value() const = 0;
virtual std::string
get_implicit_value() const = 0;
virtual std::shared_ptr<Value>
default_value(const std::string& value) = 0;
@ -484,6 +487,12 @@ namespace cxxopts
return m_default_value;
}
std::string
get_implicit_value() const
{
return m_implicit_value;
}
const T&
get() const
{
@ -594,6 +603,8 @@ namespace cxxopts
bool has_arg;
bool has_default;
std::string default_value;
bool has_implicit;
std::string implicit_value;
std::string arg_help;
};
@ -789,18 +800,15 @@ namespace cxxopts
if (o.has_arg)
{
if (o.arg_help.size() != 0)
auto arg = o.arg_help.size() > 0 ? toLocalString(o.arg_help) : "arg";
if (o.has_implicit)
{
result += " " + toLocalString(o.arg_help);
result += " [=" + arg + "(=" + toLocalString(o.implicit_value) + ")]";
}
else
{
result += " arg";
}
if (o.has_default)
{
result += " [" + toLocalString(o.default_value) + "]";
result += " " + arg;
}
}
@ -810,20 +818,27 @@ namespace cxxopts
String
format_description
(
const String& text,
const HelpOptionDetails& o,
int start,
int width
)
{
auto desc = o.desc;
if (o.has_default)
{
desc += toLocalString(" (default:" + o.default_value + ")");
}
String result;
auto current = std::begin(text);
auto current = std::begin(desc);
auto startLine = current;
auto lastSpace = current;
int size = 0;
while (current != std::end(text))
while (current != std::end(desc))
{
if (*current == ' ')
{
@ -1132,8 +1147,10 @@ Options::add_option
//add the help details
auto& options = m_help[group];
options.options.emplace_back(HelpOptionDetails{s, l, stringDesc,
value->has_arg(), value->has_default(), value->get_default_value(),
options.options.emplace_back(HelpOptionDetails{s, l, stringDesc,
value->has_arg(),
value->has_default(), value->get_default_value(),
value->has_implicit(), value->get_implicit_value(),
std::move(arg_help)});
}
@ -1189,7 +1206,7 @@ Options::help_one_group(const std::string& g) const
auto fiter = format.begin();
for (const auto& o : group->second.options)
{
auto d = format_description(o.desc, longest + OPTION_DESC_GAP, allowed);
auto d = format_description(o, longest + OPTION_DESC_GAP, allowed);
result += fiter->first;
if (stringLength(fiter->first) > longest)