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#define _XOPEN_SOURCE
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#define TITLE "david's journal"
#define ENTRY_DIR "entries"
#define MAX_ENTRIES 1024
static char *entries[MAX_ENTRIES];
static int num_entries;
static void load_entries(char *dir, size_t *max_fn_size)
{
DIR *d = opendir(dir);
if (!d) exit(1);
struct dirent *de;
while ((de = readdir(d))) {
if (de->d_name[0] == '.') continue;
if (num_entries == MAX_ENTRIES) exit(1);
size_t fn_size = strlen(de->d_name) + 1;
if (fn_size > *max_fn_size)
*max_fn_size = fn_size;
char *entry = malloc(fn_size);
memcpy(entry, de->d_name, fn_size);
entries[num_entries++] = entry;
}
closedir(d);
}
static void print_entry(char *path, char *ts)
{
FILE *f = fopen(path, "r");
if (!f) return;
struct tm tm;
strptime(ts, "%s", &tm);
printf(
"<div class='entry'><p><span class='date'>%d/%02d/%02d</span> ",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
for (int c = getc(f), nl = 0; c != EOF; c = getc(f)) {
if (c == '\n') {
++nl;
continue;
}
if (nl > 0) {
printf(nl == 1 ? "<br>" : "</p><p>");
nl = 0;
}
putchar(c);
}
fclose(f);
puts("</p></div>");
}
static int entry_cmp(const void *a, const void *b)
{
return atoi(*(const char **)b) - atoi(*(const char **)a);
}
int main()
{
size_t max_fn_size = 0;
load_entries(ENTRY_DIR, &max_fn_size);
qsort(entries, num_entries, sizeof(entries[0]), entry_cmp);
puts(
"<!DOCTYPE html>\n"
"<html lang='en'>\n"
"<head>\n"
"<meta charset='utf-8'>\n"
"<meta name='viewport' content='width=device-width, initial-scale=1'>\n"
"<link href='style.css' rel='stylesheet'>\n"
"<title>"TITLE"</title>\n"
"</head>\n"
"<body>\n"
"<h1>"TITLE"</h1>");
char *path = malloc(sizeof(ENTRY_DIR) + max_fn_size);
memcpy(path, ENTRY_DIR"/", sizeof(ENTRY_DIR));
for (int i = 0; i < num_entries; ++i) {
strcpy(path + sizeof(ENTRY_DIR), entries[i]);
print_entry(path, entries[i]);
free(entries[i]);
}
free(path);
puts(
"</body>\n"
"</html>");
return 0;
}
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