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#include "rssignores.h"
#include <algorithm>
#include <curl/curl.h>
#include <langinfo.h>
#include <sys/utsname.h>
#include "cache.h"
#include "config.h"
#include "confighandlerexception.h"
#include "configparser.h"
#include "logger.h"
#include "regexowner.h"
#include "strprintf.h"
#include "utils.h"
namespace newsboat {
const std::string RssIgnores::REGEX_PREFIX = "regex:";
void RssIgnores::handle_action(const std::string& action,
const std::vector<std::string>& params)
{
if (action == "ignore-article") {
if (params.size() < 2) {
throw ConfigHandlerException(ActionHandlerStatus::TOO_FEW_PARAMS);
}
std::string ignore_rssurl = params[0];
std::string ignore_expr = params[1];
auto m = std::make_shared<Matcher>();
if (!m->parse(ignore_expr)) {
throw ConfigHandlerException(strprintf::fmt(
_("couldn't parse filter expression `%s': %s"),
ignore_expr,
m->get_parse_error()));
}
const int prefix_len = REGEX_PREFIX.length();
if (!ignore_rssurl.compare(0, prefix_len, REGEX_PREFIX)) {
std::string errorMessage;
const std::string pattern = ignore_rssurl.substr(prefix_len,
ignore_rssurl.length() - prefix_len);
const auto regex = Regex::compile(pattern, REG_EXTENDED | REG_ICASE, errorMessage);
if (regex == nullptr) {
throw ConfigHandlerException(strprintf::fmt(
_("`%s' is not a valid regular expression: %s"),
pattern, errorMessage));
}
regex_ignores.push_back(FeedUrlExprPair(pattern, m));
} else {
non_regex_ignores.insert({ignore_rssurl, m});
}
} else if (action == "always-download") {
if (params.empty()) {
throw ConfigHandlerException(ActionHandlerStatus::TOO_FEW_PARAMS);
}
for (const auto& param : params) {
ignores_lastmodified.push_back(param);
}
} else if (action == "reset-unread-on-update") {
if (params.empty()) {
throw ConfigHandlerException(ActionHandlerStatus::TOO_FEW_PARAMS);
}
for (const auto& param : params) {
resetflag.push_back(param);
}
} else {
throw ConfigHandlerException(ActionHandlerStatus::INVALID_COMMAND);
}
}
void RssIgnores::dump_config(std::vector<std::string>& config_output) const
{
for (const auto& ign : non_regex_ignores) {
std::string configline = "ignore-article ";
if (ign.first == "*") {
configline.append("*");
} else {
configline.append(utils::quote(ign.first));
}
configline.append(" ");
configline.append(utils::quote(ign.second->get_expression()));
config_output.push_back(configline);
}
for (const auto& ign : regex_ignores) {
std::string configline = "ignore-article ";
configline.append(utils::quote(REGEX_PREFIX + ign.first));
configline.append(" ");
configline.append(utils::quote(ign.second->get_expression()));
config_output.push_back(configline);
}
for (const auto& ign_lm : ignores_lastmodified) {
config_output.push_back(strprintf::fmt(
"always-download %s", utils::quote(ign_lm)));
}
for (const auto& rf : resetflag) {
config_output.push_back(strprintf::fmt(
"reset-unread-on-update %s", utils::quote(rf)));
}
}
bool RssIgnores::matches_expr(std::shared_ptr<Matcher> expr, RssItem* item)
{
if (expr->matches(item)) {
LOG(Level::DEBUG,
"RssIgnores::matches_expr: found match");
return true;
}
return false;
}
bool RssIgnores::matches(RssItem* item)
{
auto search = non_regex_ignores.equal_range(item->feedurl());
for (auto itr = search.first; itr != search.second; itr++) {
if (matches_expr(itr->second, item)) {
return true;
}
}
search = non_regex_ignores.equal_range("*");
for (auto itr = search.first; itr != search.second; itr++) {
if (matches_expr(itr->second, item)) {
return true;
}
}
for (const auto& ign : regex_ignores) {
const std::string pattern = ign.first;
LOG(Level::DEBUG,
"RssIgnores::matches: ign.first = `%s' item->feedurl = `%s'",
pattern,
item->feedurl());
std::string errorMessage;
const auto regex = Regex::compile(pattern, REG_EXTENDED | REG_ICASE, errorMessage);
const auto matches = regex->matches(item->feedurl(), 1, 0);
if (!matches.empty() && matches_expr(ign.second, item)) {
return true;
}
}
return false;
}
bool RssIgnores::matches_lastmodified(const std::string& url)
{
return std::find_if(ignores_lastmodified.begin(),
ignores_lastmodified.end(),
[&](const std::string& u) {
return u == url;
}) !=
ignores_lastmodified.end();
}
bool RssIgnores::matches_resetunread(const std::string& url)
{
return std::find_if(resetflag.begin(),
resetflag.end(),
[&](const std::string& u) {
return u == url;
}) !=
resetflag.end();
}
} // namespace newsboat
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