mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-21 15:18:45 +00:00
184 lines
3.8 KiB
C++
184 lines
3.8 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/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)
|
|
: name_(name), email_(email), used_(true),
|
|
buffer_id_(computeHash(name, email))
|
|
{}
|
|
|
|
|
|
Author::Author(int buffer_id)
|
|
: name_(convert<docstring>(buffer_id)), email_(docstring()), used_(false),
|
|
buffer_id_(buffer_id)
|
|
{}
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
|
|
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();
|
|
|
|
AuthorList::Authors::const_iterator a_it = sorted.begin();
|
|
AuthorList::Authors::const_iterator const a_end = sorted.end();
|
|
|
|
for (; a_it != a_end; ++a_it) {
|
|
if (a_it->used() && a_it->valid())
|
|
os << "\\author " << *a_it << "\n";
|
|
}
|
|
return os;
|
|
}
|
|
|
|
|
|
} // namespace lyx
|