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#include "itemrenderer.h"
#include <sstream>
#include "configcontainer.h"
#include "htmlrenderer.h"
#include "rss.h"
#include "textformatter.h"
namespace newsboat {
std::string item_renderer::get_feedtitle(std::shared_ptr<RssItem> item) {
const std::shared_ptr<RssFeed> feedptr = item->get_feedptr();
std::string feedtitle;
if (feedptr) {
if (!feedptr->title().empty()) {
feedtitle = feedptr->title();
utils::remove_soft_hyphens(feedtitle);
} else if (!feedptr->link().empty()) {
feedtitle = feedptr->link();
} else if (!feedptr->rssurl().empty()) {
feedtitle = feedptr->rssurl();
}
}
return feedtitle;
}
void prepare_header(
std::shared_ptr<RssItem> item,
std::vector<std::pair<LineType, std::string>>& lines,
std::vector<LinkPair>& /*links*/)
{
const auto add_line =
[&lines]
(const std::string& value,
const std::string& name,
LineType lineType = LineType::wrappable)
{
if (!value.empty()) {
const auto line = strprintf::fmt("%s%s", name, value);
lines.push_back(std::make_pair(lineType, line));
}
};
const std::string feedtitle = item_renderer::get_feedtitle(item);
add_line(feedtitle, _("Feed: "));
add_line(item->title(), _("Title: "));
add_line(item->author(), _("Author: "));
add_line(item->pubDate(), _("Date: "));
add_line(item->link(), _("Link: "), LineType::softwrappable);
add_line(item->flags(), _("Flags: "));
if (!item->enclosure_url().empty()) {
auto dlurl = strprintf::fmt(
"%s%s",
_("Podcast Download URL: "),
utils::censor_url(item->enclosure_url()));
if (!item->enclosure_type().empty()) {
dlurl.append(
strprintf::fmt(" (%s%s)",
_("type: "),
item->enclosure_type()));
}
lines.push_back(std::make_pair(LineType::softwrappable, dlurl));
}
lines.push_back(std::make_pair(LineType::wrappable, std::string("")));
}
std::string get_item_base_link(const std::shared_ptr<RssItem>& item)
{
if (!item->get_base().empty()) {
return item->get_base();
} else {
return item->feedurl();
}
}
void render_html(
ConfigContainer& cfg,
const std::string& source,
std::vector<std::pair<LineType, std::string>>& lines,
std::vector<LinkPair>& thelinks,
const std::string& url,
bool raw)
{
const std::string renderer = cfg.get_configvalue("html-renderer");
if (renderer == "internal") {
HtmlRenderer rnd(raw);
rnd.render(source, lines, thelinks, url);
} else {
char* argv[4];
argv[0] = const_cast<char*>("/bin/sh");
argv[1] = const_cast<char*>("-c");
argv[2] = const_cast<char*>(renderer.c_str());
argv[3] = nullptr;
LOG(Level::DEBUG,
"item_renderer::render_html: source = %s",
source);
LOG(Level::DEBUG,
"item_renderer::render_html: html-renderer = %s",
argv[2]);
const std::string output = utils::run_program(argv, source);
std::istringstream is(output);
std::string line;
while (!is.eof()) {
getline(is, line);
if (!raw) {
line = utils::quote_for_stfl(line);
}
lines.push_back(std::make_pair(LineType::softwrappable, line));
}
}
}
std::string item_renderer::to_plain_text(
ConfigContainer& cfg,
std::shared_ptr<RssItem> item)
{
std::vector<std::pair<LineType, std::string>> lines;
std::vector<LinkPair> links;
prepare_header(item, lines, links);
const auto base = get_item_base_link(item);
render_html(cfg, item->description(), lines, links, base, true);
TextFormatter txtfmt;
txtfmt.add_lines(lines);
unsigned int width = cfg.get_configvalue_as_int("text-width");
if (width == 0) {
width = 80;
}
return txtfmt.format_text_plain(width);
}
std::pair<std::string, size_t> item_renderer::to_stfl_list(
ConfigContainer& cfg,
std::shared_ptr<RssItem> item,
unsigned int text_width,
unsigned int window_width,
RegexManager* rxman,
const std::string& location,
std::vector<LinkPair>& links)
{
std::vector<std::pair<LineType, std::string>> lines;
prepare_header(item, lines, links);
const std::string baseurl = get_item_base_link(item);
const auto body = item->description();
render_html(cfg, body, lines, links, baseurl, false);
TextFormatter txtfmt;
txtfmt.add_lines(lines);
return txtfmt.format_text_to_list(rxman, location, text_width, window_width);
}
void render_source(
std::vector<std::pair<LineType, std::string>>& lines,
std::string source)
{
/*
* This function is called instead of HtmlRenderer::render() when the
* user requests to have the source displayed instead of seeing the
* rendered HTML.
*/
std::string line;
do {
std::string::size_type pos = source.find_first_of("\r\n");
line = source.substr(0, pos);
if (pos == std::string::npos) {
source.erase();
} else {
source.erase(0, pos + 1);
}
lines.push_back(std::make_pair(LineType::softwrappable, line));
} while (source.length() > 0);
}
std::pair<std::string, size_t> item_renderer::source_to_stfl_list(
std::shared_ptr<RssItem> item,
unsigned int text_width,
unsigned int window_width,
RegexManager* rxman,
const std::string& location)
{
std::vector<std::pair<LineType, std::string>> lines;
std::vector<LinkPair> links;
prepare_header(item, lines, links);
render_source(lines, utils::quote_for_stfl(item->description()));
TextFormatter txtfmt;
txtfmt.add_lines(lines);
return txtfmt.format_text_to_list(rxman, location, text_width, window_width);
}
}
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