diff options
Diffstat (limited to 'src/io.c')
| -rw-r--r-- | src/io.c | 181 |
1 files changed, 69 insertions, 112 deletions
@@ -1813,7 +1813,7 @@ ical_store_apoint (char *mesg, char *note, long start, long dur, /* * Returns an allocated string representing the string given in argument once - * unformatted. See ical_unfold_content () below. + * unformatted. * * Note: * Even if the RFC2445 recommends not to have more than 75 octets on one line of @@ -1827,8 +1827,6 @@ ical_store_apoint (char *mesg, char *note, long start, long dur, static char * ical_unformat_line (char *line) { -#define LINE_FEED 0x0a -#define CARRIAGE_RETURN 0x0d char *p, uline[BUFSIZ]; int len; @@ -1840,10 +1838,6 @@ ical_unformat_line (char *line) { switch (*p) { - case LINE_FEED: - return mem_strdup (uline); - case CARRIAGE_RETURN: - break; case '\\': switch (*(p + 1)) { @@ -1871,106 +1865,69 @@ ical_unformat_line (char *line) break; } } -#undef LINE_FEED -#undef CARRIAGE_RETURN - return NULL; + + return mem_strdup (uline); } -/* - * Extract from RFC2445: - * - * When parsing a content line, folded lines MUST first be - * unfolded [..] The content information associated with an iCalendar - * object is formatted using a syntax similar to that defined by [RFC 2425]. - */ -static char * -ical_unfold_content (FILE *fd, char *line, unsigned *lineno) +static void +ical_readline_init (FILE *fdi, char *buf, char *lstore, unsigned *ln) { - char *content; - int c; + char *eol; - content = ical_unformat_line (line); - if (!content) - return NULL; + *buf = *lstore = '\0'; + fgets (lstore, BUFSIZ, fdi); + if ((eol = strchr(lstore, '\n')) != NULL) + *eol = '\0'; + (*ln)++; +} - for (;;) - { - c = getc (fd); - if (c == SPACE || c == TAB) - { - char buf[BUFSIZ]; +static int +ical_readline (FILE *fdi, char *buf, char *lstore, unsigned *ln) +{ + char *eol; - if (fgets (buf, BUFSIZ, fd) != NULL) - { - char *tmpline, *rline; - int newsize; + strncpy (buf, lstore, BUFSIZ); + (*ln)++; - (*lineno)++; - tmpline = ical_unformat_line (buf); - if (!tmpline) - { - mem_free (content); - return NULL; - } - newsize = strlen (content) + strlen (tmpline) + 1; - if ((rline = mem_realloc (content, newsize, 1)) == NULL) - { - mem_free (content); - mem_free (tmpline); - return NULL; - } - content = rline; - (void)strncat (content, tmpline, BUFSIZ); - mem_free (tmpline); - } - else - { - mem_free (content); - return NULL; - /* Could not get entire item description. */ - } - } - else - { - (void)ungetc (c, fd); - return content; - } + while (fgets (lstore, BUFSIZ, fdi) != NULL) + { + if ((eol = strchr(lstore, '\n')) != NULL) + *eol = '\0'; + if (*lstore != SPACE && *lstore != TAB) + break; + strncat (buf, lstore + 1, BUFSIZ); + (*ln)++; + } + + if (feof (fdi)) + { + *lstore = '\0'; + if (*buf == '\0') + return 0; } + + return 1; } static float -ical_chk_header (FILE *fd, unsigned *lineno) +ical_chk_header (FILE *fd, char *buf, char *lstore, unsigned *lineno) { const int HEADER_MALFORMED = -1; const struct string icalheader = STRING_BUILD ("BEGIN:VCALENDAR"); - char buf[BUFSIZ]; - - (void)fgets (buf, BUFSIZ, fd); - (*lineno)++; + float version; - if (buf == NULL) return HEADER_MALFORMED; + if (!ical_readline (fd, buf, lstore, lineno)) + return HEADER_MALFORMED; str_toupper (buf); if (strncmp (buf, icalheader.str, icalheader.len) != 0) return HEADER_MALFORMED; - const int AWAITED = 1; - float version = HEADER_MALFORMED; - int read; - - do + while (!sscanf (buf, "VERSION:%f", &version)) { - if (fgets (buf, BUFSIZ, fd) == NULL) - { - return HEADER_MALFORMED; - } - else - { - (*lineno)++; - read = sscanf (buf, "VERSION:%f", &version); - } + if (!ical_readline (fd, buf, lstore, lineno)) + return HEADER_MALFORMED; } - while (read != AWAITED); return version; } @@ -2354,14 +2311,13 @@ ical_read_exdate (llist_t *exc, FILE *log, char *exstr, unsigned *noskipped, /* Return an allocated string containing the name of the newly created note. */ static char * -ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped, - unsigned *lineno, ical_vevent_e item_type, const int itemline, - FILE *log) +ical_read_note (char *line, unsigned *noskipped, ical_vevent_e item_type, + const int itemline, FILE *log) { char *p, *notestr, *notename, fullnotename[BUFSIZ]; FILE *fdo; - if ((p = strchr (first_line, ':')) != NULL) + if ((p = strchr (line, ':')) != NULL) { notename = new_tempfile (path_notes, NOTESIZ); EXIT_IF (notename == NULL, @@ -2372,7 +2328,7 @@ ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped, EXIT_IF (fdo == NULL, _("Warning: could not open %s, Aborting..."), fullnotename); p++; - notestr = ical_unfold_content (fdi, p, lineno); + notestr = ical_unformat_line (p); if (notestr == NULL) { ical_log (log, item_type, itemline, @@ -2407,14 +2363,14 @@ ical_read_note (char *first_line, FILE *fdi, unsigned *noskipped, /* Returns an allocated string containing the ical item summary. */ static char * -ical_read_summary (char *first_line, FILE *fdi, unsigned *lineno) +ical_read_summary (char *line) { char *p, *summary; - if ((p = strchr (first_line, ':')) != NULL) + if ((p = strchr (line, ':')) != NULL) { p++; - summary = ical_unfold_content (fdi, p, lineno); + summary = ical_unformat_line (p); return summary; } else @@ -2423,7 +2379,8 @@ ical_read_summary (char *first_line, FILE *fdi, unsigned *lineno) static void ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints, - unsigned *noskipped, unsigned *lineno) + unsigned *noskipped, char *buf, char *lstore, + unsigned *lineno) { const int ITEMLINE = *lineno; const struct string endevent = STRING_BUILD ("END:VEVENT"); @@ -2437,7 +2394,7 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints, const struct string endalarm = STRING_BUILD ("END:VALARM"); const struct string desc = STRING_BUILD ("DESCRIPTION"); ical_vevent_e vevent_type; - char *p, buf[BUFSIZ], buf_upper[BUFSIZ]; + char *p, buf_upper[BUFSIZ]; struct { llist_t exc; ical_rpt_t *rpt; @@ -2450,11 +2407,11 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints, vevent_type = UNDEFINED; bzero (&vevent, sizeof vevent); skip_alarm = 0; - while (fgets (buf, BUFSIZ, fdi) != NULL) + while (ical_readline (fdi, buf, lstore, lineno)) { - (*lineno)++; memcpy (buf_upper, buf, strlen (buf)); str_toupper (buf_upper); + if (skip_alarm) { /* Need to skip VALARM properties because some keywords could @@ -2584,7 +2541,7 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints, } else if (strncmp (buf_upper, summary.str, summary.len) == 0) { - vevent.mesg = ical_read_summary (buf, fdi, lineno); + vevent.mesg = ical_read_summary (buf); } else if (strncmp (buf_upper, alarm.str, alarm.len) == 0) { @@ -2593,8 +2550,8 @@ ical_read_event (FILE *fdi, FILE *log, unsigned *noevents, unsigned *noapoints, } else if (strncmp (buf_upper, desc.str, desc.len) == 0) { - vevent.note = ical_read_note (buf, fdi, noskipped, lineno, - ICAL_VEVENT, ITEMLINE, log); + vevent.note = ical_read_note (buf, noskipped, ICAL_VEVENT, + ITEMLINE, log); } } } @@ -2616,7 +2573,7 @@ cleanup: static void ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped, - unsigned *lineno) + char *buf, char *lstore, unsigned *lineno) { const struct string endtodo = STRING_BUILD ("END:VTODO"); const struct string summary = STRING_BUILD ("SUMMARY"); @@ -2625,7 +2582,7 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped, const struct string desc = STRING_BUILD ("DESCRIPTION"); const int LOWEST = 9; const int ITEMLINE = *lineno; - char buf[BUFSIZ], buf_upper[BUFSIZ]; + char buf_upper[BUFSIZ]; struct { char *mesg, *note; int has_priority, priority; @@ -2634,9 +2591,8 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped, bzero (&vtodo, sizeof vtodo); skip_alarm = 0; - while (fgets (buf, BUFSIZ, fdi) != NULL) + while (ical_readline (fdi, buf, lstore, lineno)) { - (*lineno)++; memcpy (buf_upper, buf, strlen (buf)); str_toupper (buf_upper); if (skip_alarm) @@ -2685,7 +2641,7 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped, } else if (strncmp (buf_upper, summary.str, summary.len) == 0) { - vtodo.mesg = ical_read_summary (buf, fdi, lineno); + vtodo.mesg = ical_read_summary (buf); } else if (strncmp (buf_upper, alarm.str, alarm.len) == 0) { @@ -2693,8 +2649,8 @@ ical_read_todo (FILE *fdi, FILE *log, unsigned *notodos, unsigned *noskipped, } else if (strncmp (buf_upper, desc.str, desc.len) == 0) { - vtodo.note = ical_read_note (buf, fdi, noskipped, lineno, - ICAL_VTODO, ITEMLINE, log); + vtodo.note = ical_read_note (buf, noskipped, ICAL_VTODO, + ITEMLINE, log); } } } @@ -2759,7 +2715,7 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name) const struct string vtodo = STRING_BUILD ("BEGIN:VTODO"); char *proc_report = _("Import process report: %04d lines read "); char stats_str[4][BUFSIZ]; - char buf[BUFSIZ]; + char buf[BUFSIZ], lstore[BUFSIZ]; FILE *stream = NULL; struct io_file *log; float ical_version; @@ -2788,7 +2744,8 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name) return; bzero (&stats, sizeof stats); - ical_version = ical_chk_header (stream, &stats.lines); + ical_readline_init (stream, buf, lstore, &stats.lines); + ical_version = ical_chk_header (stream, buf, lstore, &stats.lines); RETURN_IF (ical_version < 0, _("Warning: ical header malformed or wrong version number. " "Aborting...")); @@ -2802,19 +2759,19 @@ io_import_data (enum import_type type, struct conf *conf, char *stream_name) } ical_log_init (log->fd, ical_version); - while (fgets (buf, BUFSIZ, stream) != NULL) + while (ical_readline (stream, buf, lstore, &stats.lines)) { stats.lines++; str_toupper (buf); if (strncmp (buf, vevent.str, vevent.len) == 0) { ical_read_event (stream, log->fd, &stats.events, &stats.apoints, - &stats.skipped, &stats.lines); + &stats.skipped, buf, lstore, &stats.lines); } else if (strncmp (buf, vtodo.str, vtodo.len) == 0) { ical_read_todo (stream, log->fd, &stats.todos, &stats.skipped, - &stats.lines); + buf, lstore, &stats.lines); } } if (stream != stdin) |