lyx_mirror/src/insets/insetbibtex.C

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/**
* \file insetbibtex.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#include "insetbibtex.h"
#include "buffer.h"
#include "BufferView.h"
#include "debug.h"
#include "funcrequest.h"
#include "gettext.h"
#include "support/filetools.h"
#include "support/path.h"
#include "support/os.h"
#include "support/lstrings.h"
#include "support/LAssert.h"
#include <fstream>
#include <cstdlib>
using std::ostream;
using std::ifstream;
using std::getline;
using std::endl;
using std::vector;
using std::pair;
InsetBibtex::InsetBibtex(InsetCommandParams const & p, bool)
: InsetCommand(p)
{}
InsetBibtex::~InsetBibtex()
{
InsetCommandMailer mailer("bibtex", *this);
mailer.hideDialog();
}
dispatch_result InsetBibtex::localDispatch(FuncRequest const & cmd)
{
Inset::RESULT result = UNDISPATCHED;
switch (cmd.action) {
case LFUN_INSET_MODIFY: {
InsetCommandParams p;
InsetCommandMailer::string2params(cmd.argument, p);
if (p.getCmdName().empty())
break;
if (view() && p.getContents() != params().getContents()) {
view()->ChangeCitationsIfUnique(params().getContents(),
p.getContents());
}
setParams(p);
cmd.view()->updateInset(this);
result = DISPATCHED;
}
break;
default:
result = InsetCommand::localDispatch(cmd);
}
return result;
}
string const InsetBibtex::getScreenLabel(Buffer const *) const
{
return _("BibTeX Generated References");
}
int InsetBibtex::latex(Buffer const * buffer, ostream & os,
bool /*fragile*/, bool/*fs*/) const
{
// changing the sequence of the commands
// 1. \bibliographystyle{style}
// 2. \addcontentsline{...} - if option bibtotoc set
// 3. \bibliography{database}
string adb;
string db_in = getContents();
db_in = split(db_in, adb, ',');
// Style-Options
string style = getOptions(); // maybe empty! and with bibtotoc
string bibtotoc;
if (prefixIs(style, "bibtotoc")) {
bibtotoc = "bibtotoc";
if (contains(style, ',')) {
style = split(style, bibtotoc, ',');
}
}
if (!buffer->niceFile
&& IsFileReadable(MakeAbsPath(style, buffer->filePath()) + ".bst")) {
style = MakeAbsPath(style, buffer->filePath());
}
if (!style.empty()) { // we want no \biblio...{}
os << "\\bibliographystyle{" << style << "}\n";
}
// bibtotoc-Option
if (!bibtotoc.empty()) {
// maybe a problem when a textclass has no "art" as
// part of its name, because it's than book.
// For the "official" lyx-layouts it's no problem to support
// all well
if (!contains(buffer->params.getLyXTextClass().name(),
"art")) {
if (buffer->params.sides == LyXTextClass::OneSide) {
// oneside
os << "\\clearpage";
} else {
// twoside
os << "\\cleardoublepage";
}
// bookclass
os << "\\addcontentsline{toc}{chapter}{\\bibname}";
} else {
// article class
os << "\\addcontentsline{toc}{section}{\\refname}";
}
}
// database
// If we generate in a temp dir, we might need to give an
// absolute path there. This is a bit complicated since we can
// have a comma-separated list of bibliographies
string db_out;
while (!adb.empty()) {
if (!buffer->niceFile &&
IsFileReadable(MakeAbsPath(adb, buffer->filePath())+".bib"))
adb = os::external_path(MakeAbsPath(adb, buffer->filePath()));
db_out += adb;
db_out += ',';
db_in = split(db_in, adb,',');
}
db_out = rtrim(db_out, ",");
os << "\\bibliography{" << db_out << "}\n";
return 2;
}
vector<string> const InsetBibtex::getFiles(Buffer const & buffer) const
{
// Doesn't appear to be used (Angus, 31 July 2001)
Path p(buffer.filePath());
vector<string> vec;
string tmp;
string bibfiles = getContents();
bibfiles = split(bibfiles, tmp, ',');
while (!tmp.empty()) {
string file = findtexfile(ChangeExtension(tmp, "bib"), "bib");
lyxerr[Debug::LATEX] << "Bibfile: " << file << endl;
// If we didn't find a matching file name just fail silently
if (!file.empty())
vec.push_back(file);
// Get next file name
bibfiles = split(bibfiles, tmp, ',');
}
return vec;
}
// This method returns a comma separated list of Bibtex entries
void InsetBibtex::fillWithBibKeys
(Buffer const * buffer, vector<pair<string, string> > & keys) const
{
lyx::Assert(buffer);
vector<string> const files = getFiles(*buffer);
for (vector<string>::const_iterator it = files.begin();
it != files.end(); ++ it) {
// This is a _very_ simple parser for Bibtex database
// files. All it does is to look for lines starting
// in @ and not being @preamble and @string entries.
// It does NOT do any syntax checking!
ifstream ifs(it->c_str());
string linebuf0;
while (getline(ifs, linebuf0)) {
string linebuf = trim(linebuf0);
if (linebuf.empty()) continue;
if (prefixIs(linebuf, "@")) {
linebuf = subst(linebuf, '{', '(');
string tmp;
linebuf = split(linebuf, tmp, '(');
tmp = ascii_lowercase(tmp);
if (!prefixIs(tmp, "@string")
&& !prefixIs(tmp, "@preamble")) {
linebuf = split(linebuf, tmp, ',');
tmp = ltrim(tmp, " \t");
if (!tmp.empty()) {
keys.push_back(pair<string,string>(tmp,string()));
}
}
} else if (!keys.empty()) {
keys.back().second += linebuf + "\n";
}
}
}
}
void InsetBibtex::edit(BufferView * bv, int, int, mouse_button::state)
{
InsetCommandMailer mailer("bibtex", *this);
mailer.showDialog(bv);
}
void InsetBibtex::edit(BufferView * bv, bool)
{
edit(bv, 0, 0, mouse_button::none);
}
bool InsetBibtex::addDatabase(string const & db)
{
string contents(getContents());
if (!contains(contents, db)) {
if (!contents.empty())
contents += ',';
setContents(contents + db);
return true;
}
return false;
}
bool InsetBibtex::delDatabase(string const & db)
{
if (contains(getContents(), db)) {
string bd = db;
int const n = tokenPos(getContents(), ',', bd);
if (n > 0) {
// Weird code, would someone care to explain this?(Lgb)
string tmp(", ");
tmp += bd;
setContents(subst(getContents(), tmp, ", "));
} else if (n == 0)
setContents(split(getContents(), bd, ','));
else
return false;
}
return true;
}