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#include <rss.h>
#include <config.h>
#include <stringprep.h>
#include <cache.h>
#include <xmlpullparser.h>
#include <utils.h>
#include <sstream>
#include <iostream>
using namespace noos;
rss_parser::rss_parser(const char * uri, cache * c) : my_uri(uri), ch(c), mrss(0) { }
rss_parser::~rss_parser() { }
rss_feed rss_parser::parse() {
rss_feed feed(ch);
feed.set_rssurl(my_uri);
mrss_options_t * options = mrss_options_new(-1, NULL, NULL, NULL, NULL, NULL, 0, NULL, USER_AGENT);
mrss_error_t err = mrss_parse_url_with_options(const_cast<char *>(my_uri.c_str()), &mrss, options);
mrss_options_free(options);
if (err != MRSS_OK) {
// TODO: throw exception
if (mrss) {
mrss_free(mrss);
}
return feed;
}
if (mrss->title) feed.set_title(mrss->title);
if (mrss->description) feed.set_description(mrss->description);
if (mrss->link) feed.set_link(mrss->link);
if (mrss->pubDate)
feed.set_pubDate(parse_date(mrss->pubDate));
else
feed.set_pubDate(::time(NULL));
for (mrss_item_t * item = mrss->item; item != NULL; item = item->next ) {
rss_item x(ch);
if (item->title) {
char * str = stringprep_convert(item->title,stringprep_locale_charset(),mrss->encoding ? mrss->encoding : "utf-8"); // XXX hack
if (str) {
x.set_title(str);
free(str);
}
}
if (item->link) x.set_link(item->link);
if (item->author) x.set_author(item->author);
if (item->description) {
char * str = stringprep_convert(item->description,stringprep_locale_charset(),mrss->encoding ? mrss->encoding : "utf-8"); // FIXME: hack
if (str) {
x.set_description(str);
free(str);
}
}
if (item->pubDate)
x.set_pubDate(parse_date(item->pubDate));
else
x.set_pubDate(::time(NULL));
if (item->guid)
x.set_guid(item->guid);
else
x.set_guid(item->link); // XXX hash something to get a better alternative GUID
// x.set_dirty();
feed.items().push_back(x);
}
mrss_free(mrss);
return feed;
}
// rss_item setters
void rss_item::set_title(const std::string& t) {
title_ = t;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_link(const std::string& l) {
link_ = l;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_author(const std::string& a) {
author_ = a;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_description(const std::string& d) {
description_ = d;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_pubDate(time_t t) {
pubDate_ = t;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_guid(const std::string& g) {
guid_ = g;
// if (ch) ch->update_rssitem(*this, feedurl);
}
void rss_item::set_unread(bool u) {
if (unread_ != u) {
unread_ = u;
if (ch) ch->update_rssitem_unread(*this, feedurl_);
}
}
std::string rss_item::pubDate() const {
char text[1024];
strftime(text,sizeof(text),"%a, %d %b %Y %T", gmtime(&pubDate_));
return std::string(text);
}
unsigned int rss_feed::unread_item_count() const {
unsigned int count = 0;
for (std::vector<rss_item>::const_iterator it=items_.begin();it!=items_.end();++it) {
if (it->unread())
++count;
}
return count;
}
time_t rss_parser::parse_date(const std::string& datestr) {
// TODO: refactor
std::istringstream is(datestr);
std::string monthstr, time, tmp;
struct tm stm;
memset(&stm,0,sizeof(stm));
is >> tmp;
if (tmp[tmp.length()-1] == ',')
is >> tmp;
std::istringstream dayis(tmp);
dayis >> stm.tm_mday;
is >> monthstr;
if (monthstr == "Jan")
stm.tm_mon = 0;
else if (monthstr == "Feb")
stm.tm_mon = 1;
else if (monthstr == "Mar")
stm.tm_mon = 2;
else if (monthstr == "Apr")
stm.tm_mon = 3;
else if (monthstr == "May")
stm.tm_mon = 4;
else if (monthstr == "Jun")
stm.tm_mon = 5;
else if (monthstr == "Jul")
stm.tm_mon = 6;
else if (monthstr == "Aug")
stm.tm_mon = 7;
else if (monthstr == "Sep")
stm.tm_mon = 8;
else if (monthstr == "Oct")
stm.tm_mon = 9;
else if (monthstr == "Nov")
stm.tm_mon = 10;
else if (monthstr == "Dec")
stm.tm_mon = 11;
int year;
is >> year;
stm.tm_year = year - 1900;
is >> time;
stm.tm_hour = stm.tm_min = stm.tm_sec = 0;
std::vector<std::string> tkns = utils::tokenize(time,":");
if (tkns.size() > 0) {
std::istringstream hs(tkns[0]);
hs >> stm.tm_hour;
if (tkns.size() > 1) {
std::istringstream ms(tkns[1]);
ms >> stm.tm_min;
if (tkns.size() > 2) {
std::istringstream ss(tkns[2]);
ss >> stm.tm_sec;
}
}
}
time_t value = mktime(&stm);
return value;
}
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