expand.hpp   [plain text]

//
// Automated Testing Framework (atf)
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#if !defined(_ATF_CXX_EXPAND_HPP_)
#define _ATF_CXX_EXPAND_HPP_

#include <string>
#include <vector>

namespace atf {
namespace expand {

// ------------------------------------------------------------------------
// Free functions.
// ------------------------------------------------------------------------

//!
//! \brief Checks if the given string is a glob pattern.
//!
//! Returns true if the given string is a glob pattern; i.e. if it contains
//! any character that will be expanded by expand_glob.
//!
bool is_glob(const std::string&);

//!
//! \brief Checks if a given string matches a glob pattern.
//!
//! Given a glob pattern and a string, checks whether the former matches
//! the latter.  Returns a boolean indicating this condition.
//!
bool matches_glob(const std::string&, const std::string&);

//!
//! \brief Expands a glob pattern among multiple candidates.
//!
//! Given a glob pattern and a set of candidate strings, checks which of
//! those strings match the glob pattern and returns them.
//!
template< class T >
std::vector< std::string > expand_glob(const std::string& glob,
                                       const T& candidates)
{
    std::vector< std::string > exps;

    for (typename T::const_iterator iter = candidates.begin();
         iter != candidates.end(); iter++)
        if (matches_glob(glob, *iter))
            exps.push_back(*iter);

    return exps;
}

} // namespace expand
} // namespace atf

#endif // !defined(_ATF_CXX_EXPAND_HPP_)