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160 lines
3.1 KiB
C++
160 lines
3.1 KiB
C++
/**
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* \file Author.cpp
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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 John Levon
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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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#include <config.h>
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#include "Author.h"
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#include "support/lassert.h"
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#include "support/lstrings.h"
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#include <algorithm>
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#include <istream>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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static int computeHash(docstring const & name,
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docstring const & email)
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{
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string const full_author_string = to_utf8(name + email);
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// Bernstein's hash function
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unsigned int hash = 5381;
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for (unsigned int i = 0; i < full_author_string.length(); ++i)
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hash = ((hash << 5) + hash) + (unsigned int)(full_author_string[i]);
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return int(hash);
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}
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Author::Author(docstring const & name, docstring const & email)
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: name_(name), email_(email), used_(true)
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{
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buffer_id_ = computeHash(name_, email_);
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}
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bool operator==(Author const & l, Author const & r)
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{
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return l.name() == r.name() && l.email() == r.email();
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}
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ostream & operator<<(ostream & os, Author const & a)
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{
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// FIXME UNICODE
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os << a.buffer_id_ << " \"" << to_utf8(a.name_)
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<< "\" " << to_utf8(a.email_);
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return os;
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}
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istream & operator>>(istream & is, Author & a)
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{
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string s;
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is >> a.buffer_id_;
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getline(is, s);
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// FIXME UNICODE
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a.name_ = from_utf8(trim(token(s, '\"', 1)));
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a.email_ = from_utf8(trim(token(s, '\"', 2)));
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return is;
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}
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bool author_smaller(Author const & lhs, Author const & rhs)
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{
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return lhs.bufferId() < rhs.bufferId();
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}
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AuthorList::AuthorList()
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: last_id_(0)
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{}
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int AuthorList::record(Author const & a)
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{
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// If we record an author which equals the current
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// author, we copy the buffer_id, so that it will
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// keep the same id in the file.
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if (!authors_.empty() && a == authors_[0])
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authors_[0].setBufferId(a.bufferId());
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Authors::const_iterator it(authors_.begin());
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Authors::const_iterator itend(authors_.end());
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for (int i = 0; it != itend; ++it, ++i) {
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if (*it == a)
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return i;
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}
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authors_.push_back(a);
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return last_id_++;
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}
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void AuthorList::record(int id, Author const & a)
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{
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LBUFERR(unsigned(id) < authors_.size());
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authors_[id] = a;
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}
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void AuthorList::recordCurrentAuthor(Author const & a)
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{
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// current author has id 0
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record(0, a);
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}
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Author const & AuthorList::get(int id) const
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{
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LASSERT(id < (int)authors_.size() , return authors_[0]);
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return authors_[id];
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}
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AuthorList::Authors::const_iterator AuthorList::begin() const
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{
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return authors_.begin();
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}
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AuthorList::Authors::const_iterator AuthorList::end() const
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{
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return authors_.end();
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}
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void AuthorList::sort()
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{
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std::sort(authors_.begin(), authors_.end(), author_smaller);
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}
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ostream & operator<<(ostream & os, AuthorList const & a)
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{
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// Copy the authorlist, because we don't want to sort the original
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AuthorList sorted = a;
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sorted.sort();
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AuthorList::Authors::const_iterator a_it = sorted.begin();
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AuthorList::Authors::const_iterator a_end = sorted.end();
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for (a_it = sorted.begin(); a_it != a_end; ++a_it) {
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if (a_it->used())
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os << "\\author " << *a_it << "\n";
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}
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return os;
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}
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} // namespace lyx
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