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-rw-r--r--args.hxx97
1 files changed, 79 insertions, 18 deletions
diff --git a/args.hxx b/args.hxx
index c368f28..745ddb8 100644
--- a/args.hxx
+++ b/args.hxx
@@ -11,6 +11,45 @@
namespace args
{
+ // Wrap a string into a vector of string lines
+ std::vector<std::string> Wrap(const std::string &in, const size_t width)
+ {
+ // Preserve existing line breaks
+ const size_t newlineloc = in.find('\n');
+ if (newlineloc != in.npos)
+ {
+ std::vector<std::string> first(Wrap(std::string(in, 0, newlineloc), width));
+ const std::vector<std::string> second(Wrap(std::string(in, newlineloc + 1), width));
+ first.insert(std::end(first), std::begin(second), std::end(second));
+ return first;
+ }
+ std::istringstream stream(in);
+ std::vector<std::string> output;
+ std::ostringstream line;
+ while (stream)
+ {
+ std::string item;
+ stream >> item;
+ if ((size_t(line.tellp()) + 1 + item.size()) > width)
+ {
+ if (line.tellp() > 0)
+ {
+ output.push_back(line.str());
+ line.str(std::string());
+ }
+ }
+ if (line.tellp() > 0)
+ {
+ line << " ";
+ }
+ line << item;
+ }
+ if (line.tellp() > 0)
+ {
+ output.push_back(line.str());
+ }
+ return output;
+ }
class ParseError : public std::runtime_error
{
public:
@@ -366,27 +405,44 @@ namespace args
Group group;
public:
- operator Group&()
- {
- return group;
- }
-
- ArgumentParser(
- const std::string &description,
- const std::string &longprefix = "--",
- const std::string &shortprefix = "-",
- const std::string &longseparator = "=",
- const std::string &prog = std::string(),
- const std::string &epilog = std::string()
- ) :
- prog(prog),
+ ArgumentParser(const std::string &description) :
description(description),
- epilog(epilog),
- longprefix(longprefix),
- shortprefix(shortprefix),
- longseparator(longseparator),
+ longprefix("--"),
+ shortprefix("-"),
+ longseparator("="),
group("arguments", Group::Validators::AllChildGroups) {}
+ // Ugly getter/setter section
+ const std::string &Prog() const
+ { return prog; }
+ void Prog(const std::string &prog)
+ { this->prog = prog; }
+
+ const std::string &Description() const
+ { return description; }
+ void Description(const std::string &description)
+ { this->description = description; }
+
+ const std::string &Epilog() const
+ { return epilog; }
+ void Epilog(const std::string &epilog)
+ { this->epilog = epilog; }
+
+ const std::string &LongPrefix() const
+ { return longprefix; }
+ void LongPrefix(const std::string &longprefix)
+ { this->longprefix = longprefix; }
+
+ const std::string &ShortPrefix() const
+ { return shortprefix; }
+ void ShortPrefix(const std::string &shortprefix)
+ { this->shortprefix = shortprefix; }
+
+ const std::string &LongSeparator() const
+ { return longseparator; }
+ void LongSeparator(const std::string &longseparator)
+ { this->longseparator = longseparator; }
+
void Add(Base &child)
{
group.Add(child);
@@ -524,6 +580,11 @@ namespace args
}
ParseArgs(args);
}
+
+ operator Group&()
+ {
+ return group;
+ }
};
// Boolean argument matcher