lyx_mirror/src/CiteEnginesList.cpp
2020-02-28 01:25:30 -05:00

315 lines
7.3 KiB
C++

// -*- C++ -*-
/**
* \file CiteEnginesList.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Richard Heck
* \author Jürgen Spitzmüller
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "CiteEnginesList.h"
#include "Citation.h"
#include "LaTeXFeatures.h"
#include "Lexer.h"
#include "support/debug.h"
#include "support/FileName.h"
#include "support/gettext.h"
#include "support/filetools.h"
#include "support/lstrings.h"
#include "support/Translator.h"
#include <algorithm>
using namespace std;
using namespace lyx::support;
namespace lyx {
//global variable: cite engine list
CiteEnginesList theCiteEnginesList;
LyXCiteEngine::LyXCiteEngine(string const & n, string const & i,
vector<string> const & cet, string const & cfm,
vector<string> const & dbs,
string const & d, vector<string> const & p):
name_(n), id_(i), engine_types_(cet), cite_framework_(cfm), default_biblios_(dbs),
description_(d), package_list_(p), checked_(false), available_(false)
{
filename_ = id_ + ".citeengine";
}
vector<string> LyXCiteEngine::prerequisites() const
{
if (!checked_)
isAvailable();
return prerequisites_;
}
bool LyXCiteEngine::isAvailable() const
{
if (package_list_.empty())
return true;
if (checked_)
return available_;
checked_ = true;
available_ = true;
//check whether all of the required packages are available
vector<string>::const_iterator it = package_list_.begin();
vector<string>::const_iterator end = package_list_.end();
for (; it != end; ++it) {
if (!LaTeXFeatures::isAvailable(*it)) {
available_ = false;
prerequisites_.push_back(*it);
}
}
return available_;
}
bool LyXCiteEngine::hasEngineType(CiteEngineType const & et) const
{
return std::find(engine_types_.begin(), engine_types_.end(),
theCiteEnginesList.getTypeAsString(et)) != engine_types_.end();
}
string LyXCiteEngine::getDefaultBiblio(CiteEngineType const & cet) const
{
string res;
string const etp = theCiteEnginesList.getTypeAsString(cet) + ":";
//check whether all of the required packages are available
for (string const &s: default_biblios_) {
if (prefixIs(s, etp))
res = split(s, ':');
else if (!contains(s, ':') && res.empty())
res = s;
}
return res;
}
bool LyXCiteEngine::isDefaultBiblio(string const & bf) const
{
string const bfs = ":" + bf;
for (string const & s: default_biblios_)
if (suffixIs(s, bfs) || bf == s)
return true;
return false;
}
bool LyXCiteEngine::required(const string p) const
{
return find(package_list_.begin(), package_list_.end(), p) != package_list_.end();
}
// used when sorting the cite engine list.
class EngineSorter {
public:
int operator()(LyXCiteEngine const & ce1, LyXCiteEngine const & ce2) const
{
return _(ce1.getName()) < _(ce2.getName());
}
};
// Local translators
namespace {
typedef Translator<string, CiteEngineType> CiteEngineTypeTranslator;
CiteEngineTypeTranslator const init_citeenginetypetranslator()
{
CiteEngineTypeTranslator translator("authoryear", ENGINE_TYPE_AUTHORYEAR);
translator.addPair("numerical", ENGINE_TYPE_NUMERICAL);
translator.addPair("default", ENGINE_TYPE_DEFAULT);
return translator;
}
CiteEngineTypeTranslator const & citeenginetypetranslator()
{
static CiteEngineTypeTranslator const translator =
init_citeenginetypetranslator();
return translator;
}
} // namespace
string CiteEnginesList::getTypeAsString(CiteEngineType const & et) const
{
return citeenginetypetranslator().find(et);
}
CiteEngineType CiteEnginesList::getType(string const & et) const
{
return citeenginetypetranslator().find(et);
}
// Much of this is borrowed from LayoutFileList::read()
bool CiteEnginesList::read()
{
FileName const real_file = libFileSearch("", "lyxciteengines.lst");
LYXERR(Debug::TCLASS, "Reading cite engines from `" << real_file << '\'');
if (real_file.empty()) {
LYXERR0("unable to find cite engines file `citeengines.lst'.\n"
<< "No cite engines will be available.");
return false;
}
Lexer lex;
if (!lex.setFile(real_file)) {
LYXERR0("lyxlex was not able to set file: "
<< real_file << ".\nNo cite engines will be available.");
return false;
}
if (!lex.isOK()) {
LYXERR0("unable to open cite engines file `"
<< to_utf8(makeDisplayPath(real_file.absFileName(), 1000))
<< "'\nNo cite engines will be available.");
return false;
}
bool finished = false;
// Parse cite engines files
LYXERR(Debug::TCLASS, "Starting parsing of lyxciteengines.lst");
while (lex.isOK() && !finished) {
LYXERR(Debug::TCLASS, "\tline by line");
switch (lex.lex()) {
case Lexer::LEX_FEOF:
finished = true;
break;
default:
string const cename = lex.getString();
LYXERR(Debug::TCLASS, "Engine name: " << cename);
if (!lex.next())
break;
string const fname = lex.getString();
LYXERR(Debug::TCLASS, "Filename: " << fname);
if (!lex.next(true))
break;
string cet = lex.getString();
LYXERR(Debug::TCLASS, "Engine Type: " << cet);
vector<string> cets;
while (!cet.empty()) {
string p;
cet = split(cet, p, '|');
cets.push_back(p);
}
if (!lex.next(true))
break;
string const citeframework = lex.getString();
LYXERR(Debug::TCLASS, "CiteFramework: " << citeframework);
if (!lex.next(true))
break;
string db = lex.getString();
LYXERR(Debug::TCLASS, "Default Biblio: " << db);
vector<string> dbs;
while (!db.empty()) {
string p;
db = split(db, p, '|');
dbs.push_back(p);
}
if (!lex.next(true))
break;
string const desc = lex.getString();
LYXERR(Debug::TCLASS, "Description: " << desc);
//FIXME Add packages
if (!lex.next())
break;
string str = lex.getString();
LYXERR(Debug::TCLASS, "Packages: " << str);
vector<string> pkgs;
while (!str.empty()) {
string p;
str = split(str, p, ',');
pkgs.push_back(p);
}
// This code is run when we have
// cename, fname, cets, citeframework, dbs, desc, pkgs
addCiteEngine(cename, fname, cets, citeframework, dbs, desc, pkgs);
} // end switch
} //end while
LYXERR(Debug::TCLASS, "End of parsing of lyxciteengines.lst");
if (!theCiteEnginesList.empty())
sort(theCiteEnginesList.begin(), theCiteEnginesList.end(), EngineSorter());
return true;
}
void CiteEnginesList::addCiteEngine(string const & cename,
string const & filename, vector<string> const & cets,
string const & citeframework, vector<string> const & dbs,
string const & description, vector<string> const & pkgs)
{
LyXCiteEngine ce(cename, filename, cets, citeframework, dbs, description, pkgs);
englist_.push_back(ce);
}
LyXCiteEnginesList::const_iterator CiteEnginesList::begin() const
{
return englist_.begin();
}
LyXCiteEnginesList::iterator CiteEnginesList::begin()
{
return englist_.begin();
}
LyXCiteEnginesList::const_iterator CiteEnginesList::end() const
{
return englist_.end();
}
LyXCiteEnginesList::iterator CiteEnginesList::end()
{
return englist_.end();
}
LyXCiteEngine const * CiteEnginesList::operator[](string const & str) const
{
for (auto const & eng : englist_)
if (eng.getID() == str) {
return &eng;
}
return nullptr;
}
LyXCiteEngine * CiteEnginesList::operator[](string const & str)
{
for (auto & eng : englist_)
if (eng.getID() == str) {
return &eng;
}
return nullptr;
}
} // namespace lyx