lyx_mirror/src/frontends/controllers/helper_funcs.h
Angus Leeming b155aa1ed5 Small clean-up.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2445 a592a061-630c-0410-9148-cb99ea01b6c8
2001-08-07 16:23:52 +00:00

86 lines
2.0 KiB
C++

// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 2001 The LyX Team.
*
* ======================================================
*
* \file ControlCitation.h
* \author Angus Leeming <a.leeming@ic.ac.uk>
*/
#ifndef HELPERFUNCS_H
#define HELPERFUNCS_H
#include <utility> // pair
#ifdef __GNUG__
#pragma interface
#endif
/** Functions to convert a string to/from a vector. */
///
string const
getStringFromVector(std::vector<string> const & vec, string const & delim=",");
///
std::vector<string> const
getVectorFromString(string const & str, string const & delim=",");
class LyXView;
/** Launch a file dialog and return the chosen file.
filename: a suggested filename.
title: the title of the dialog.
pattern: *.ps etc.
dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
*/
string const browseFile(LyXView *lv, string const & filename,
string const & title,
string const & pattern,
std::pair<string,string> const & dir1,
std::pair<string,string> const & dir2);
/** Functions to extract vectors of the first and second elems from a
vector<pair<A,B> >
*/
template<class Pair>
struct firster {
typedef typename Pair::first_type first_type;
first_type const & operator()(Pair const & p) { return p.first; }
};
template<class Pair>
struct seconder {
typedef typename Pair::second_type second_type;
second_type const & operator()(Pair const & p) { return p.second; }
};
///
template<class Pair>
std::vector<typename Pair::first_type> const
getFirst(std::vector<Pair> const & pr)
{
std::vector<typename Pair::first_type> tmp(pr.size());
std::transform(pr.begin(), pr.end(), tmp.begin(), firster<Pair>());
return tmp;
}
///
template<class Pair>
std::vector<typename Pair::second_type> const
getSecond(std::vector<Pair> const & pr)
{
std::vector<typename Pair::second_type> tmp(pr.size());
std::transform(pr.begin(), pr.end(), tmp.begin(), seconder<Pair>());
return tmp;
}
#endif // HELPERFUNCS_H