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98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
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// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 2001 The LyX Team.
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*
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* ======================================================
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*
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* \file ControlCitation.h
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* \author Angus Leeming <a.leeming@ic.ac.uk>
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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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/** Functions to convert a string to/from a vector. */
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///
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string const
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getStringFromVector(std::vector<string> const & vec, string const & delim=",");
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///
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std::vector<string> const
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getVectorFromString(string const & str, string const & delim=",");
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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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///
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template <class A, class B>
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std::vector<A> const getFirst(std::vector<std::pair<A,B> > const & pairVec)
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{
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typedef std::vector<std::pair<A,B> > PV;
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std::vector<A> first(pairVec.size());
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for (PV::size_type i = 0; i < pairVec.size(); ++i) {
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first[i] = pairVec[i].first;
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}
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return first;
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}
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///
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template <class A, class B>
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std::vector<B> const getSecond(std::vector<std::pair<A,B> > const & pairVec)
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{
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typedef std::vector<std::pair<A,B> > PV;
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std::vector<B> second(pairVec.size());
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for (PV::size_type i = 0; i < pairVec.size(); ++i) {
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second[i] = pairVec[i].second;
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}
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return second;
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}
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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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template<class Pair>
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typename Pair::first_type const 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(), firster<Pair>());
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return tmp;
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}
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template<class Pair>
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typename Pair::second_type const 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(), seconder<Pair>());
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return tmp;
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}
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#endif // HELPERFUNCS_H
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