paths.h

#pragma once
 
#include <test/jtx/Env.h>
 
#include <xrpl/protocol/Issue.h>
 
#include <type_traits>
 
namespace xrpl {
namespace test {
namespace jtx {
 
class paths
{
private:
    Issue in_;
    int depth_;
    unsigned int limit_;
 
public:
    paths(Issue const& in, int depth = 7, unsigned int limit = 4)
        : in_(in), depth_(depth), limit_(limit)
    {
    }
 
    void
    operator()(Env&, JTx& jt) const;
};
 
//------------------------------------------------------------------------------
 
class path
{
private:
    Json::Value jv_;
 
public:
    path();
 
    template <class T, class... Args>
    explicit path(T const& t, Args const&... args);
 
    void
    operator()(Env&, JTx& jt) const;
 
private:
    Json::Value&
    create();
 
    void
    append_one(Account const& account);
 
    void
    append_one(AccountID const& account);
 
    template <class T>
    std::enable_if_t<std::is_constructible<Account, T>::value>
    append_one(T const& t)
    {
        append_one(Account{t});
    }
 
    void
    append_one(IOU const& iou);
 
    void
    append_one(BookSpec const& book);
 
    template <class T, class... Args>
    void
    append(T const& t, Args const&... args);
};
 
template <class T, class... Args>
path::path(T const& t, Args const&... args) : jv_(Json::arrayValue)
{
    append(t, args...);
}
 
template <class T, class... Args>
void
path::append(T const& t, Args const&... args)
{
    append_one(t);
    if constexpr (sizeof...(args) > 0)
        append(args...);
}
 
}  // namespace jtx
}  // namespace test
}  // namespace xrpl