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| author | Taylor C. Richberger <Taywee@gmx.com> | 2016-05-06 13:52:07 -0600 |
|---|---|---|
| committer | Taylor C. Richberger <Taywee@gmx.com> | 2016-05-06 13:52:07 -0600 |
| commit | 30610a2e8ca3bfb7f7b87fb8514dee1705803bac (patch) | |
| tree | 03c0016433fd35e2f1c1d23a1f758231aebe6bc8 /args.hxx | |
| parent | Merge branch '7-parseargs-should-be-overloaded' into 'master' (diff) | |
| download | args.hxx-30610a2e8ca3bfb7f7b87fb8514dee1705803bac.tar.xz | |
add groups to help output:
Diffstat (limited to 'args.hxx')
| -rw-r--r-- | args.hxx | 21 |
1 files changed, 14 insertions, 7 deletions
@@ -547,23 +547,26 @@ namespace args /** Get all the child descriptions for help generation */ - std::vector<std::tuple<std::string, std::string>> GetChildDescriptions(const std::string &shortPrefix, const std::string &longPrefix) const + std::vector<std::tuple<std::string, std::string, unsigned int>> GetChildDescriptions(const std::string &shortPrefix, const std::string &longPrefix, unsigned int indent = 0) const { - std::vector<std::tuple<std::string, std::string>> descriptions; + std::vector<std::tuple<std::string, std::string, unsigned int>> descriptions; for (const auto &child: children) { const Group *group = dynamic_cast<Group *>(child); const NamedBase *named = dynamic_cast<NamedBase *>(child); if (group) { - std::vector<std::tuple<std::string, std::string>> groupDescriptions(group->GetChildDescriptions(shortPrefix, longPrefix)); + // Push that group description on the back: + descriptions.emplace_back("", group->help, indent); + std::vector<std::tuple<std::string, std::string, unsigned int>> groupDescriptions(group->GetChildDescriptions(shortPrefix, longPrefix, indent + 1)); descriptions.insert( std::end(descriptions), std::make_move_iterator(std::begin(groupDescriptions)), std::make_move_iterator(std::end(groupDescriptions))); } else if (named) { - descriptions.emplace_back(named->GetDescription(shortPrefix, longPrefix)); + const std::tuple<std::string, std::string> description(named->GetDescription(shortPrefix, longPrefix)); + descriptions.emplace_back(std::get<0>(description), std::get<1>(description), indent); } } return descriptions; @@ -823,21 +826,25 @@ namespace args for (const auto &description: GetChildDescriptions(shortprefix, longprefix)) { const std::string &flags = std::get<0>(description); - const std::vector<std::string> info(Wrap(std::get<1>(description), helpParams.width - helpParams.helpindent)); - help << std::string(helpParams.flagindent, ' ') << flags; + const unsigned int groupindent = std::get<2>(description) * helpParams.eachgroupindent; + const std::vector<std::string> info(Wrap(std::get<1>(description), helpParams.width - (helpParams.helpindent + groupindent))); + + help << std::string(groupindent + helpParams.flagindent, ' ') << flags; auto infoit = std::begin(info); const std::string::size_type flagssize = Glyphs(flags); + // groupindent is on both sides of this inequality, and therefore can be removed if ((helpParams.flagindent + flagssize + helpParams.gutter) > helpParams.helpindent) { help << '\n'; } else if (infoit != std::end(info)) { + // groupindent is on both sides of the minus sign, and therefore doesn't actually need to be in here help << std::string(helpParams.helpindent - (helpParams.flagindent + flagssize), ' ') << *infoit << '\n'; ++infoit; } for (; infoit != std::end(info); ++infoit) { - help << std::string(helpParams.helpindent, ' ') << *infoit << '\n'; + help << std::string(groupindent + helpParams.helpindent, ' ') << *infoit << '\n'; } } if (hasoptions && hasarguments) |