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// desc_parse.cc
//
// Copyright 2004-2008, 2010 Daniel Burrows
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// Parses a description into a cw::fragment.
#include "desc_render.h"
#include "aptitude.h"
#include "ui.h"
#include <generic/apt/apt.h>
#include <generic/apt/config_signal.h>
#include <generic/apt/tags.h>
#include <cwidget/fragment.h>
#include <cwidget/generic/util/transcode.h>
#include <cwidget/config/colors.h>
using namespace std;
namespace cw = cwidget;
namespace aptitude
{
namespace
{
cw::fragment *make_desc_fragment(const std::vector<description_element_ref> &elements,
int level)
{
std::vector<cw::fragment *> fragments;
for(std::vector<description_element_ref>::const_iterator it = elements.begin();
it != elements.end(); ++it)
{
const description_element_ref &elt(*it);
switch(elt->get_type())
{
case description_element::blank_line:
fragments.push_back(cw::newline_fragment());
break;
case description_element::paragraph:
fragments.push_back(wrapbox(cw::text_fragment(elt->get_string())));
break;
case description_element::literal:
fragments.push_back(cw::hardwrapbox(cw::text_fragment(elt->get_string())));
break;
case description_element::bullet_list:
{
wstring bullet;
bullet.push_back(L"*+-"[level%3]);
cw::fragment *item_contents(make_desc_fragment(elt->get_elements(),
level + 1));
fragments.push_back(cw::style_fragment(cw::text_fragment(bullet),
cw::get_style("Bullet")));
fragments.push_back(cw::indentbox(1,
(level + 1) * 2,
item_contents));
}
break;
}
}
return cw::sequence_fragment(fragments);
}
}
cw::fragment *make_desc_fragment(const std::vector<description_element_ref> &elements)
{
return make_desc_fragment(elements, 0);
}
}
cw::fragment *make_desc_fragment(const wstring &desc)
{
std::vector<aptitude::description_element_ref> elements;
aptitude::parse_desc(desc, elements);
return aptitude::make_desc_fragment(elements);
}
cw::fragment *make_tags_fragment(const pkgCache::PkgIterator &pkg)
{
if(pkg.end())
return NULL;
using aptitude::apt::get_fullname;
using aptitude::apt::get_tags;
using aptitude::apt::tag;
const set<tag> s(get_tags(pkg));
vector<cw::fragment *> rval;
if(s.empty() == false)
{
vector<cw::fragment *> tags;
for(set<tag>::const_iterator i = s.begin(); i != s.end(); ++i)
{
std::string name(get_fullname(*i));
tags.push_back(cw::text_fragment(name));
}
rval.push_back(dropbox(cw::fragf("%B%s: %b", _("Tags")),
wrapbox(cw::join_fragments(tags, L", "))));
}
typedef aptitudeDepCache::user_tag user_tag;
const set<user_tag> &user_tags((*apt_cache_file)->get_ext_state(pkg).user_tags);
if(!user_tags.empty())
{
vector<cw::fragment *> tags;
for(set<user_tag>::const_iterator it = user_tags.begin();
it != user_tags.end(); ++it)
{
tags.push_back(cw::text_fragment((*apt_cache_file)->deref_user_tag(*it)));
}
rval.push_back(dropbox(cw::fragf("%B%s: %b", _("User Tags")),
wrapbox(cw::join_fragments(tags, L", "))));
}
if(!rval.empty())
return cw::join_fragments(rval, L"\n");
else
return NULL;
}
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