lyx_mirror/src/Author.cpp
Richard Kimberly Heck 5b5b6998cb Use more ranges
2020-02-28 01:06:22 -05:00

190 lines
4.0 KiB
C++

/**
* \file Author.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Author.h"
#include "support/convert.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include <algorithm>
#include <istream>
using namespace std;
using namespace lyx::support;
namespace lyx {
static int computeHash(docstring const & name,
docstring const & email)
{
string const full_author_string = to_utf8(name + email);
// Bernstein's hash function
unsigned int hash = 5381;
for (unsigned int i = 0; i < full_author_string.length(); ++i)
hash = ((hash << 5) + hash) + (unsigned int)(full_author_string[i]);
return int(hash);
}
Author::Author(docstring const & name, docstring const & email, docstring const & initials)
: name_(name), email_(email), initials_(initials), used_(true),
buffer_id_(computeHash(name, email))
{}
Author::Author(int buffer_id)
: name_(convert<docstring>(buffer_id)), email_(docstring()), initials_(docstring()), used_(false),
buffer_id_(buffer_id)
{}
docstring Author::nameAndEmail() const
{
if (email().empty())
return name();
else
return bformat(_("%1$s[[name]] (%2$s[[email]])"), name(), email());
}
bool Author::valid() const
{
//this cannot be equal if the buffer_id was produced by the hash function.
return name_ != convert<docstring>(buffer_id_);
}
bool operator==(Author const & l, Author const & r)
{
return l.name() == r.name() && l.email() == r.email() && l.initials() == r.initials();
}
ostream & operator<<(ostream & os, Author const & a)
{
// FIXME UNICODE
os << a.buffer_id_ << " \"" << to_utf8(a.name_) << "\"";
if (!a.email_.empty())
os << " " << to_utf8(a.email_);
return os;
}
istream & operator>>(istream & is, Author & a)
{
string s;
is >> a.buffer_id_;
getline(is, s);
// FIXME UNICODE
a.name_ = from_utf8(trim(token(s, '\"', 1)));
a.email_ = from_utf8(trim(token(s, '\"', 2)));
return is;
}
bool author_smaller(Author const & lhs, Author const & rhs)
{
return lhs.bufferId() < rhs.bufferId();
}
AuthorList::AuthorList()
{}
int AuthorList::record(Author const & a)
{
bool const valid = a.valid();
// If we record an author which equals the current
// author, we copy the buffer_id, so that it will
// keep the same id in the file.
if (valid && !authors_.empty() && a == authors_[0])
authors_[0].setBufferId(a.bufferId());
Authors::const_iterator it = authors_.begin();
Authors::const_iterator const beg = it;
Authors::const_iterator const end = authors_.end();
for (; it != end; ++it) {
if (valid && *it == a)
return it - beg;
if (it->bufferId() == a.bufferId()) {
int id = it - beg;
if (!it->valid())
// we need to handle the case of a valid author being registred
// after an invalid one. For instance, because "buffer-reload"
// does not clear the buffer's author list.
record(id, a);
return id;
}
}
authors_.push_back(a);
return authors_.size() - 1;
}
void AuthorList::record(int id, Author const & a)
{
LBUFERR(unsigned(id) < authors_.size());
authors_[id] = a;
}
void AuthorList::recordCurrentAuthor(Author const & a)
{
// current author has id 0
record(0, a);
}
Author const & AuthorList::get(int id) const
{
LASSERT(id < (int)authors_.size() , return authors_[0]);
return authors_[id];
}
AuthorList::Authors::const_iterator AuthorList::begin() const
{
return authors_.begin();
}
AuthorList::Authors::const_iterator AuthorList::end() const
{
return authors_.end();
}
void AuthorList::sort()
{
std::sort(authors_.begin(), authors_.end(), author_smaller);
}
ostream & operator<<(ostream & os, AuthorList const & a)
{
// Copy the authorlist, because we don't want to sort the original
AuthorList sorted = a;
sorted.sort();
for (auto const & aut : sorted) {
if (aut.used() && aut.valid())
os << "\\author " << aut << "\n";
}
return os;
}
} // namespace lyx