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#include "calendar.h"
#include <sys/stat.h>
#include <dirent.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <libguile.h>
/* basename */
#include <libgen.h>
#include "parse.h"
#include "err.h"
int read_vcalendar(vcomponent* cal, char* path) {
struct stat statbuf;
if (stat (path, &statbuf) != 0) {
fprintf(stderr,
"Error stating file or directory, errno = %i\npath = [%s]\n",
errno, path);
}
int type = statbuf.st_mode & 0777000;
int chmod = statbuf.st_mode & 0777;
INFO_F("file has mode 0%o, with chmod = 0%o", type, chmod);
switch (type) {
case S_IFREG: handle_file(cal, path); break;
case S_IFDIR: handle_dir (cal, path); break;
case S_IFLNK:
ERR("Found symlink, can't be bothered to check it further.");
break;
default: ;
}
return 0;
}
int handle_file(vcomponent* cal, char* path) {
INFO("Parsing a single file");
/* NAME is the `fancy' name of the calendar. */
SNEW(strbuf, name);
strbuf_load (&name, "NAME");
SNEW(strbuf, sourcetype);
strbuf_load (&sourcetype, "X-HNH-SOURCETYPE");
const char* bname = basename(path);
vcomponent_push_val(cal, &name, scm_from_utf8_stringn (bname, strlen(bname)));
vcomponent_push_val(cal, &sourcetype, scm_from_utf8_symbol("file"));
char* resolved_path = realpath(path, NULL);
open_ics (resolved_path, cal);
free (resolved_path);
FREE(strbuf)(&name);
FREE(strbuf)(&sourcetype);
return 0;
}
int handle_dir(vcomponent* cal, char* path) {
INFO("Parsing a directory");
DIR* dir = opendir(path);
/* Buffer for holding search path and filename */
char buf[PATH_MAX] = { [0 ... PATH_MAX - 1] = '\0' };
strcpy(buf, path);
int path_len = strlen(path) + 1;
/* Slash to guarantee we have at least one */
buf[path_len - 1] = '/';
SNEW(strbuf, name);
strbuf_load (&name, "NAME");
SNEW(strbuf, sourcetype);
strbuf_load (&sourcetype, "X-HNH-SOURCETYPE");
const char* bname = basename(path);
/* NAME is the `fancy' name of the calendar. */
vcomponent_push_val(cal, &name, scm_from_utf8_stringn(bname, strlen(bname)));
vcomponent_push_val(cal, &sourcetype, scm_from_utf8_symbol("vdir"));
FREE(strbuf)(&name);
FREE(strbuf)(&sourcetype);
struct dirent* d;
while ((d = readdir(dir)) != NULL) {
/* Check that it's a regular file */
if (d->d_type != DT_REG) continue;
/* Append filename with currentt searchpath */
strcat(buf, d->d_name);
char* resolved_path = realpath(buf, NULL);
/* Remove file part from combined path */
buf[path_len] = '\0';
FILE* f;
size_t read, size = 0x100;
char* info_buf = malloc(size);
if (strcmp (d->d_name, "color") == 0) {
f = fopen(resolved_path, "r");
read = getline(&info_buf, &size, f);
if (info_buf[read - 1] == '\n')
info_buf[read - 1] = '\0';
fclose(f);
SNEW(strbuf, color);
strbuf_load (&color, "COLOR");
vcomponent_push_val(cal, &color, scm_from_utf8_stringn(info_buf, strlen(info_buf)));
FREE(strbuf)(&color);
} else if (strcmp (d->d_name, "displayname") == 0) {
f = fopen(resolved_path, "r");
read = getline(&info_buf, &size, f);
if (info_buf[read - 1] == '\n')
info_buf[read - 1] = '\0';
fclose(f);
/* This adds the new list to the set of names, keeping the
* filename name.
* This works since *currently* values are returned in
* reverse order
*/
SNEW(strbuf, name);
strbuf_load (&name, "NAME");
vcomponent_push_val(cal, &name, scm_from_utf8_stringn(info_buf, strlen(info_buf)));
FREE(strbuf)(&name);
} else {
open_ics (resolved_path, cal);
}
free (resolved_path);
}
closedir(dir);
return 0;
}
int get_extension(const char* filename, char* ext, ssize_t max_len) {
int ext_idx = -1;
ext[0] = '\0';
for (int i = 0; filename[i] != '\0'; i++) {
if (filename[i] == '.') ext_idx = i + 1;
if (filename[i] == '/') ext_idx = -1;
}
if (ext_idx == -1) return 0;
int ext_len = 0;
for (int i = 0; i < max_len; i++, ext_len++) {
char c = filename[i + ext_idx];
if (c == '\0') break;
ext[i] = c;
}
ext[ext_len] = '\0';
return ext_len;
}
int check_ext (const char* path, const char* ext) {
char buf[10];
int has_ext = get_extension(path, buf, 9);
return has_ext && strcmp(buf, ext) == 0;
}
int open_ics (char* resolved_path, vcomponent* cal) {
if (! check_ext(resolved_path, "ics") ) return 2;
FILE* f = fopen(resolved_path, "r");
if (f == NULL) return 1;
parse_file(resolved_path, f, cal);
fclose(f);
return 0;
}
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