65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
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#include <sstream>
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#include "option_set.h"
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#include "argtype_registry.h"
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#include "util.h"
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Option_set::Option_set(
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const std::string& name, const std::string& desc,
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const Parameter_set& parameters, const katom_lists& members, const Locator& loc)
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: m_name(name)
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, m_desc(desc)
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, m_parameters(parameters)
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, m_members(members)
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, m_loc(loc)
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{}
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const Parameter* Option_set::find(const std::string& name) const
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{
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for (const Parameter& p : m_parameters.m_optional) {
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if (p.m_name == name) {
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return &p;
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}
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}
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return nullptr;
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}
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std::string Option_set::member_names() const
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{
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std::vector<std::string> names {};
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for (const Parameter& p : m_parameters.m_optional) {
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names.push_back(":" + p.m_name);
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}
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return join(names, " ");
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}
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// One member per line: the name, its type, and its default -- the same three
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// things a klammer's signature shows, since that is what the using klammer
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// ends up declaring.
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std::string Option_set::describe(int margin) const
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{
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std::string tab(margin, ' ');
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std::stringstream ss {};
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ss << tab << "@@" << m_name << ".o\n";
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for (const Parameter& p : m_parameters.m_optional) {
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std::string line = ":" + p.m_name;
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if (p.m_argtype.m_name != default_argtype) {
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line += "." + p.m_argtype.m_name;
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}
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if (!p.m_default.empty()) {
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line += " " + p.m_default;
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if (p.m_default_from_type) {
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line += " (from the " + p.m_argtype.m_name + " argument type)";
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}
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}
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ss << tab << " " << line << "\n";
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}
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if (!m_desc.empty()) {
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ss << justify(m_desc, 80, margin + 2) << "\n";
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}
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if (!m_users.empty()) {
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ss << tab << " Used by: " << join(m_users, ", ") << "\n";
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}
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return ss.str();
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}
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