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ce708d095c
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5463 a592a061-630c-0410-9148-cb99ea01b6c8
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
// -*- C++ -*-
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/**
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* \file helper_funcs.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef HELPERFUNCS_H
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#define HELPERFUNCS_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "LString.h"
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#include <utility> // pair
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#include <vector> // pair
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class LyXView;
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/** Launch a file dialog and return the chosen file.
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filename: a suggested filename.
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title: the title of the dialog.
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pattern: *.ps etc.
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dir1 = (name, dir), dir2 = (name, dir): extra buttons on the dialog.
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*/
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string const
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browseFile(LyXView *lv, string const & filename,
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string const & title,
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string const & pattern,
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std::pair<string,string> const & dir1 =
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std::make_pair(string(), string()),
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std::pair<string,string> const & dir2 =
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std::make_pair(string(), string()));
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/* Wrapper around browseFile which tries to provide a filename
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relative to relpath. If the relative path is of the form "foo.txt"
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or "bar/foo.txt", then it is returned as relative. OTOH, if it is
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of the form "../baz/foo.txt", an absolute path is returned. This is
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intended to be useful for insets which encapsulate files/
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*/
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string const
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browseRelFile(LyXView *lv, string const & filename,
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string const & refpath,
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string const & title,
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string const & pattern,
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std::pair<string,string> const & dir1 =
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std::make_pair(string(), string()),
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std::pair<string,string> const & dir2 =
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std::make_pair(string(), string()));
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/// Returns a vector of units that can be used to create a valid LaTeX length.
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std::vector<string> const getLatexUnits();
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/** Functions to extract vectors of the first and second elems from a
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vector<pair<A,B> >
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*/
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namespace detail {
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template<class Pair>
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struct firster {
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typedef typename Pair::first_type first_type;
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first_type const & operator()(Pair const & p) { return p.first; }
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};
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template<class Pair>
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struct seconder {
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typedef typename Pair::second_type second_type;
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second_type const & operator()(Pair const & p) { return p.second; }
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};
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} // namespace detail
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///
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template<class Pair>
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std::vector<typename Pair::first_type> const
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getFirst(std::vector<Pair> const & pr)
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{
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std::vector<typename Pair::first_type> tmp(pr.size());
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std::transform(pr.begin(), pr.end(), tmp.begin(),
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detail::firster<Pair>());
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return tmp;
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}
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///
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template<class Pair>
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std::vector<typename Pair::second_type> const
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getSecond(std::vector<Pair> const & pr)
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{
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std::vector<typename Pair::second_type> tmp(pr.size());
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std::transform(pr.begin(), pr.end(), tmp.begin(),
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detail::seconder<Pair>());
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return tmp;
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}
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#endif // HELPERFUNCS_H
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