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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#include "common.c"
/* Feed info. */
struct feed {
char *name; /* feed name */
unsigned long new; /* amount of new items per feed */
unsigned long total; /* total items */
struct feed *next; /* linked list */
};
static int showsidebar = 1; /* show sidebar ? */
void /* print error message to stderr */
die(const char *s) {
fputs("sfeed_html: ", stderr);
fputs(s, stderr);
fputc('\n', stderr);
exit(EXIT_FAILURE);
}
struct feed *
feednew(void) {
struct feed *f;
if(!(f = calloc(1, sizeof(struct feed))))
die("can't allocate enough memory");
return f;
}
void
feedsfree(struct feed *f) {
struct feed *next;
while(f) {
next = f->next;
free(f->name);
free(f);
f = next;
}
}
/* print feed name for id; spaces and tabs in string as "-" (spaces in anchors are not valid). */
void
printfeednameid(const char *s) {
for(; *s; s++)
putchar(isspace(*s) ? '-' : *s);
}
void
printhtmlencoded(const char *s) {
for(; *s; s++) {
switch(*s) {
case '<': fputs("<", stdout); break;
case '>': fputs(">", stdout); break;
case '&': fputs("&", stdout); break;
default:
putchar(*s);
}
}
}
int
main(void) {
char *line = NULL, *fields[FieldLast];
unsigned long totalfeeds = 0, totalnew = 0;
unsigned int islink, isnew;
struct feed *feedcurrent = NULL, *feeds = NULL; /* start of feeds linked-list. */
time_t parsedtime, comparetime;
size_t size = 0;
tzset();
comparetime = time(NULL) - (3600 * 24); /* 1 day is old news */
fputs(
"<!DOCTYPE HTML>\n"
"<html dir=\"ltr\" lang=\"en\">\n"
" <head>\n"
" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
" <style type=\"text/css\">\n"
" body {\n"
" font-family: monospace;\n"
" font-size: 9pt;\n"
" color: #333;\n"
" background-color: #fff;\n"
" overflow: hidden;\n"
" }\n"
" #feedcontent td {\n"
" white-space: nowrap;\n"
" }\n"
" #feedcontent h2 {\n"
" font-size: 14pt;\n"
" }\n"
" #feedcontent a {\n"
" display: block;\n"
" }\n"
" #feedcontent ul, #feedcontent li {\n"
" list-style: none;\n"
" padding: 0;\n"
" margin: 0;\n"
" }\n"
" #feedcontent h2 a, #feedcontent ul li a {\n"
" color: inherit;\n"
" }\n"
" #feedcontent ul li a {\n"
" padding: 5px 3px 5px 10px;\n"
" }\n"
" #feedcontent div#sidebar {\n"
" background-color: inherit;\n"
" position: fixed;\n"
" top: 0;\n"
" left: 0;\n"
" width: 175px;\n"
" height: 100%;\n"
" overflow: hidden;\n"
" overflow-y: auto;\n"
" z-index: 999;\n"
" }\n"
" #feedcontent div#items {\n"
" left: 175px;\n"
" }\n"
" #feedcontent div#items-nosidebar {\n"
" left: 0px;\n"
" }\n"
" #feedcontent div#items-nosidebar,\n"
" #feedcontent div#items {\n"
" position: absolute;\n"
" height: 100%;\n"
" top: 0;\n"
" right: 0;\n"
" overflow: auto;\n"
" padding: 0 15px;\n"
" }\n"
" </style>\n"
" </head>\n"
" <body>\n"
" <div id=\"feedcontent\">\n",
stdout);
while(parseline(&line, &size, fields, FieldLast, stdin, FieldSeparator) > 0) {
/* first of feed section or new feed section. */
if(!totalfeeds || strcmp(feedcurrent->name, fields[FieldFeedName])) {
if(totalfeeds) { /* end previous one. */
fputs("</table>\n", stdout);
feedcurrent->next = feednew();
feedcurrent = feedcurrent->next;
} else {
feedcurrent = feednew();
feeds = feedcurrent; /* first item. */
fputs("\t\t<div id=\"items", stdout);
if(fields[FieldFeedName][0] == '\0') {
fputs("-nosidebar", stdout); /* set other id on div if no sidebar for styling */
showsidebar = 0;
}
fputs("\">\n", stdout);
}
if(!(feedcurrent->name = strdup(fields[FieldFeedName])))
die("can't allocate enough memory");
if(fields[FieldFeedName][0] != '\0') {
fputs("<h2 id=\"", stdout);
printfeednameid(feedcurrent->name);
fputs("\"><a href=\"#", stdout);
printfeednameid(feedcurrent->name);
fputs("\">", stdout);
fputs(feedcurrent->name, stdout);
fputs("</a></h2>\n", stdout);
}
fputs("<table>", stdout);
totalfeeds++;
}
parsedtime = (time_t)strtol(fields[FieldUnixTimestamp], NULL, 10);
isnew = (parsedtime >= comparetime);
islink = (strlen(fields[FieldLink]) > 0);
totalnew += isnew;
feedcurrent->new += isnew;
feedcurrent->total++;
fputs("<tr><td>", stdout);
printtime(parsedtime);
fputs("</td><td>", stdout);
if(isnew)
fputs("<b><u>", stdout);
if(islink) {
fputs("<a href=\"", stdout);
if(fields[FieldBaseSiteUrl][0] != '\0')
printlink(fields[FieldLink], fields[FieldBaseSiteUrl]);
else
printlink(fields[FieldLink], fields[FieldFeedUrl]);
fputs("\">", stdout);
}
printhtmlencoded(fields[FieldTitle]);
if(islink)
fputs("</a>", stdout);
if(isnew)
fputs("</u></b>", stdout);
fputs("</td></tr>\n", stdout);
}
if(totalfeeds) {
fputs("</table>\n", stdout);
fputs("\t\t</div>\n", stdout); /* div items */
}
if(showsidebar) {
fputs("\t\t<div id=\"sidebar\">\n\t\t\t<ul>\n", stdout);
for(feedcurrent = feeds; feedcurrent; feedcurrent = feedcurrent->next) {
if(!feedcurrent->name || feedcurrent->name[0] == '\0')
continue;
fputs("<li><a href=\"#", stdout);
printfeednameid(feedcurrent->name);
fputs("\">", stdout);
if(feedcurrent->new > 0)
fputs("<b><u>", stdout);
fputs(feedcurrent->name, stdout);
fprintf(stdout, " (%lu)", feedcurrent->new);
if(feedcurrent->new > 0)
fputs("</u></b>", stdout);
fputs("</a></li>\n", stdout);
}
fputs("\t\t\t</ul>\n\t\t</div>\n", stdout);
}
fputs(
" </div>\n"
" </body>\n"
" <title>Newsfeeds (",
stdout);
fprintf(stdout, "%lu", totalnew);
fputs(")</title>\n</html>", stdout);
free(line); /* free line */
feedsfree(feeds); /* free feeds linked-list */
return EXIT_SUCCESS;
}
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