External/cxxopts
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Skip empty lines in option groups help

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Also use single character \n for end of line instead of string literal.
This commit is contained in:
Pavel Medvedev 2016-07-01 00:57:59 +03:00
parent 774d455dc7
commit 2e157e9881
1 changed files with 9 additions and 8 deletions
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17
src/cxxopts.hpp
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@ -884,7 +884,7 @@ namespace cxxopts
if (o.has_default)
{
desc += toLocalString(" (default:" + o.default_value + ")");
desc += toLocalString(" (default: " + o.default_value + ")");
}
String result;
@ -1276,7 +1276,7 @@ Options::help_one_group(const std::string& g) const
if (!g.empty())
{
result += toLocalString(" " + g + " options:\n\n");
result += toLocalString(" " + g + " options:\n");
}
for (const auto& o : group->second.options)
@ -1299,7 +1299,7 @@ Options::help_one_group(const std::string& g) const
result += fiter->first;
if (stringLength(fiter->first) > longest)
{
result += "\n";
result += '\n';
result += toLocalString(std::string(longest + OPTION_DESC_GAP, ' '));
}
else
@ -1309,7 +1309,7 @@ Options::help_one_group(const std::string& g) const
' '));
}
result += d;
result += "\n";
result += '\n';
++fiter;
}
@ -1320,15 +1320,16 @@ Options::help_one_group(const std::string& g) const
std::string
Options::help(const std::vector<std::string>& groups) const
{
String result = "Usage:\n " + toLocalString(m_program) + " [OPTION...]"
+ m_help_string + "\n\n";
String result = m_help_string + "\nUsage:\n " + toLocalString(m_program) + " [OPTION...]\n\n";
for (std::size_t i = 0; i < groups.size(); ++i)
{
result += help_one_group(groups[i]);
String const& group_help = help_one_group(groups[i]);
if (group_help.empty()) continue;
result += group_help;
if (i < groups.size() - 1)
{
result += "\n";
result += '\n';
}
}