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	sfeed_html.c - sfeed - RSS and Atom parser
	git clone git://git.codemadness.org/sfeed
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	sfeed_html.c (3765B)
	---
	1 #include <stdio.h>
	2 #include <stdlib.h>
	3 #include <string.h>
	4 #include <time.h>
	5
	6 #include "util.h"
	7
	8 static struct feed *feeds;
	9 static int showsidebar;
	10 static char *line;
	11 static size_t linesize;
	12 static unsigned long totalnew, total;
	13 static time_t comparetime;
	14
	15 static void
	16 printfeed(FILE fp, struct feed f)
	17 {
	18 char *fields[FieldLast];
	19 struct tm rtm, *tm;
	20 time_t parsedtime;
	21 unsigned int isnew;
	22 ssize_t linelen;
	23
	24 if (f->name[0]) {
	25 fputs("<h2 id=\"", stdout);
	26 xmlencode(f->name, stdout);
	27 fputs("\"><a href=\"#", stdout);
	28 xmlencode(f->name, stdout);
	29 fputs("\">", stdout);
	30 xmlencode(f->name, stdout);
	31 fputs("</a></h2>\n", stdout);
	32 }
	33 fputs("<pre>\n", stdout);
	34
	35 while ((linelen = getline(&line, &linesize, fp)) > 0 &&
	36 !ferror(stdout)) {
	37 if (line[linelen - 1] == '\n')
	38 line[--linelen] = '\0';
	39 parseline(line, fields);
	40
	41 parsedtime = 0;
	42 if (!strtotime(fields[FieldUnixTimestamp], &parsedtime) …
	43 (tm = localtime_r(&parsedtime, &rtm))) {
	44 isnew = (parsedtime >= comparetime) ? 1 : 0;
	45 totalnew += isnew;
	46 f->totalnew += isnew;
	47
	48 fprintf(stdout, "%04d-%02d-%02d %02d:%02d ",
	49 tm->tm_year + 1900, tm->tm_mon + 1, tm->…
	50 tm->tm_hour, tm->tm_min);
	51 } else {
	52 isnew = 0;
	53 fputs(" ", stdout);
	54 }
	55 f->total++;
	56 total++;
	57
	58 if (fields[FieldLink][0]) {
	59 fputs("<a href=\"", stdout);
	60 xmlencode(fields[FieldLink], stdout);
	61 fputs("\">", stdout);
	62 }
	63 if (isnew)
	64 fputs("<b><u>", stdout);
	65 xmlencode(fields[FieldTitle], stdout);
	66 if (isnew)
	67 fputs("</u></b>", stdout);
	68 if (fields[FieldLink][0])
	69 fputs("</a>", stdout);
	70 fputs("\n", stdout);
	71 }
	72 fputs("</pre>\n", stdout);
	73 }
	74
	75 int
	76 main(int argc, char *argv[])
	77 {
	78 struct feed *f;
	79 char *name;
	80 FILE *fp;
	81 int i;
	82
	83 if (pledge(argc == 1 ? "stdio" : "stdio rpath", NULL) == -1)
	84 err(1, "pledge");
	85
	86 if (!(feeds = calloc(argc, sizeof(struct feed))))
	87 err(1, "calloc");
	88 if ((comparetime = getcomparetime()) == (time_t)-1)
	89 errx(1, "getcomparetime");
	90
	91 fputs("<!DOCTYPE HTML>\n"
	92 "<html>\n"
	93 "\t<head>\n"
	94 "\t<meta name=\"referrer\" content=\"no-referrer\" />\n"
	95 "\t\t<meta http-equiv=\"Content-Type\" content=\"text/html…
	96 "\t\t<link rel=\"stylesheet\" type=\"text/css\" href=\"sty…
	97 "\t</head>\n"
	98 "\t<body class=\"noframe\">\n", stdout);
	99
	100 showsidebar = (argc > 1);
	101 if (showsidebar)
	102 fputs("\t\t<div id=\"items\">\n", stdout);
	103 else
	104 fputs("\t\t<div id=\"items\" class=\"nosidebar\">\n", st…
	105
	106 if (argc == 1) {
	107 feeds[0].name = "";
	108 printfeed(stdin, &feeds[0]);
	109 checkfileerror(stdin, "<stdin>", 'r');
	110 } else {
	111 for (i = 1; i < argc; i++) {
	112 name = ((name = strrchr(argv[i], '/'))) ? name +…
	113 feeds[i - 1].name = name;
	114 if (!(fp = fopen(argv[i], "r")))
	115 err(1, "fopen: %s", argv[i]);
	116 printfeed(fp, &feeds[i - 1]);
	117 checkfileerror(fp, argv[i], 'r');
	118 checkfileerror(stdout, "<stdout>", 'w');
	119 fclose(fp);
	120 }
	121 }
	122 fputs("</div>\n", stdout); /* div items */
	123
	124 if (showsidebar) {
	125 fputs("\t<div id=\"sidebar\">\n\t\t<ul>\n", stdout);
	126
	127 for (i = 1; i < argc; i++) {
	128 f = &feeds[i - 1];
	129 if (f->totalnew > 0)
	130 fputs("<li class=\"n\"><a href=\"#", std…
	131 else
	132 fputs("<li><a href=\"#", stdout);
	133 xmlencode(f->name, stdout);
	134 fputs("\">", stdout);
	135 if (f->totalnew > 0)
	136 fputs("<b><u>", stdout);
	137 xmlencode(f->name, stdout);
	138 fprintf(stdout, " (%lu)", f->totalnew);
	139 if (f->totalnew > 0)
	140 fputs("</u></b>", stdout);
	141 fputs("</a></li>\n", stdout);
	142 }
	143 fputs("\t\t</ul>\n\t</div>\n", stdout);
	144 }
	145
	146 fprintf(stdout, "\t</body>\n\t<title>(%lu/%lu) - Newsfeed</title…
	147 totalnew, total);
	148
	149 checkfileerror(stdout, "<stdout>", 'w');
	150
	151 return 0;
	152 }