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-rw-r--r--src/datetime-parser.c386
1 files changed, 0 insertions, 386 deletions
diff --git a/src/datetime-parser.c b/src/datetime-parser.c
deleted file mode 100644
index ad65ff7..0000000
--- a/src/datetime-parser.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * blogc: A blog compiler.
- * Copyright (C) 2015-2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
- *
- * This program can be distributed under the terms of the BSD License.
- * See the file LICENSE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif /* HAVE_CONFIG_H */
-
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif /* HAVE_TIME_H */
-
-#include <string.h>
-
-#include "error.h"
-#include "datetime-parser.h"
-#include "utils.h"
-
-
-typedef enum {
- DATETIME_FIRST_YEAR = 1,
- DATETIME_SECOND_YEAR,
- DATETIME_THIRD_YEAR,
- DATETIME_FOURTH_YEAR,
- DATETIME_FIRST_HYPHEN,
- DATETIME_FIRST_MONTH,
- DATETIME_SECOND_MONTH,
- DATETIME_SECOND_HYPHEN,
- DATETIME_FIRST_DAY,
- DATETIME_SECOND_DAY,
- DATETIME_SPACE,
- DATETIME_FIRST_HOUR,
- DATETIME_SECOND_HOUR,
- DATETIME_FIRST_COLON,
- DATETIME_FIRST_MINUTE,
- DATETIME_SECOND_MINUTE,
- DATETIME_SECOND_COLON,
- DATETIME_FIRST_SECOND,
- DATETIME_SECOND_SECOND,
- DATETIME_DONE,
-} blogc_datetime_state_t;
-
-
-char*
-blogc_convert_datetime(const char *orig, const char *format,
- blogc_error_t **err)
-{
- if (err == NULL || *err != NULL)
- return NULL;
-
-#ifndef HAVE_TIME_H
-
- *err = blogc_error_new(BLOGC_WARNING_DATETIME_PARSER,
- "Your operating system does not supports the datetime functionalities "
- "used by blogc. Sorry.");
- return NULL;
-
-#else
-
- struct tm t;
- memset(&t, 0, sizeof(struct tm));
- t.tm_isdst = -1;
-
- blogc_datetime_state_t state = DATETIME_FIRST_YEAR;
- int tmp = 0;
- int diff = '0';
-
- for (unsigned int i = 0; orig[i] != '\0'; i++) {
- char c = orig[i];
-
- switch (state) {
-
- case DATETIME_FIRST_YEAR:
- if (c >= '0' && c <= '9') {
- tmp += (c - diff) * 1000;
- state = DATETIME_SECOND_YEAR;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of year. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_SECOND_YEAR:
- if (c >= '0' && c <= '9') {
- tmp += (c - diff) * 100;
- state = DATETIME_THIRD_YEAR;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of year. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_THIRD_YEAR:
- if (c >= '0' && c <= '9') {
- tmp += (c - diff) * 10;
- state = DATETIME_FOURTH_YEAR;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid third digit of year. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_FOURTH_YEAR:
- if (c >= '0' && c <= '9') {
- tmp += c - diff - 1900;
- if (tmp < 0) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid year. Found %d, must be >= 1900.",
- tmp + 1900);
- break;
- }
- t.tm_year = tmp;
- state = DATETIME_FIRST_HYPHEN;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid fourth digit of year. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_FIRST_HYPHEN:
- if (c == '-') {
- tmp = 0;
- state = DATETIME_FIRST_MONTH;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid separator between year and month. "
- "Found '%c', must be '-'.", c);
- break;
-
- case DATETIME_FIRST_MONTH:
- if (c >= '0' && c <= '1') {
- tmp += (c - diff) * 10;
- state = DATETIME_SECOND_MONTH;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of month. "
- "Found '%c', must be integer >= 0 and <= 1.", c);
- break;
-
- case DATETIME_SECOND_MONTH:
- if (c >= '0' && c <= '9') {
- tmp += c - diff - 1;
- if (tmp < 0 || tmp > 11) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid month. Found %d, must be >= 1 and <= 12.",
- tmp + 1);
- break;
- }
- t.tm_mon = tmp;
- state = DATETIME_SECOND_HYPHEN;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of month. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_SECOND_HYPHEN:
- if (c == '-') {
- tmp = 0;
- state = DATETIME_FIRST_DAY;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid separator between month and day. "
- "Found '%c', must be '-'.", c);
- break;
-
- case DATETIME_FIRST_DAY:
- if (c >= '0' && c <= '3') {
- tmp += (c - diff) * 10;
- state = DATETIME_SECOND_DAY;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of day. "
- "Found '%c', must be integer >= 0 and <= 3.", c);
- break;
-
- case DATETIME_SECOND_DAY:
- if (c >= '0' && c <= '9') {
- tmp += c - diff;
- if (tmp < 1 || tmp > 31) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid day. Found %d, must be >= 1 and <= 31.",
- tmp);
- break;
- }
- t.tm_mday = tmp;
- state = DATETIME_SPACE;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of day. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_SPACE:
- if (c == ' ') {
- tmp = 0;
- state = DATETIME_FIRST_HOUR;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid separator between date and time. "
- "Found '%c', must be ' ' (empty space).", c);
- break;
-
- case DATETIME_FIRST_HOUR:
- if (c >= '0' && c <= '2') {
- tmp += (c - diff) * 10;
- state = DATETIME_SECOND_HOUR;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of hours. "
- "Found '%c', must be integer >= 0 and <= 2.", c);
- break;
-
- case DATETIME_SECOND_HOUR:
- if (c >= '0' && c <= '9') {
- tmp += c - diff;
- if (tmp < 0 || tmp > 23) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid hours. Found %d, must be >= 0 and <= 23.",
- tmp);
- break;
- }
- t.tm_hour = tmp;
- state = DATETIME_FIRST_COLON;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of hours. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_FIRST_COLON:
- if (c == ':') {
- tmp = 0;
- state = DATETIME_FIRST_MINUTE;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid separator between hours and minutes. "
- "Found '%c', must be ':'.", c);
- break;
-
- case DATETIME_FIRST_MINUTE:
- if (c >= '0' && c <= '5') {
- tmp += (c - diff) * 10;
- state = DATETIME_SECOND_MINUTE;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of minutes. "
- "Found '%c', must be integer >= 0 and <= 5.", c);
- break;
-
- case DATETIME_SECOND_MINUTE:
- if (c >= '0' && c <= '9') {
- tmp += c - diff;
- if (tmp < 0 || tmp > 59) {
- // this won't happen because we are restricting the digits
- // to 00-59 already, but lets keep the code here for
- // reference.
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid minutes. Found %d, must be >= 0 and <= 59.",
- tmp);
- break;
- }
- t.tm_min = tmp;
- state = DATETIME_SECOND_COLON;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of minutes. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_SECOND_COLON:
- if (c == ':') {
- tmp = 0;
- state = DATETIME_FIRST_SECOND;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid separator between minutes and seconds. "
- "Found '%c', must be ':'.", c);
- break;
-
- case DATETIME_FIRST_SECOND:
- if (c >= '0' && c <= '6') {
- tmp += (c - diff) * 10;
- state = DATETIME_SECOND_SECOND;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid first digit of seconds. "
- "Found '%c', must be integer >= 0 and <= 6.", c);
- break;
-
- case DATETIME_SECOND_SECOND:
- if (c >= '0' && c <= '9') {
- tmp += c - diff;
- if (tmp < 0 || tmp > 60) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid seconds. Found %d, must be >= 0 and <= 60.",
- tmp);
- break;
- }
- t.tm_sec = tmp;
- state = DATETIME_DONE;
- break;
- }
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid second digit of seconds. "
- "Found '%c', must be integer >= 0 and <= 9.", c);
- break;
-
- case DATETIME_DONE:
- // well, its done ;)
- break;
- }
-
- if (*err != NULL)
- return NULL;
- }
-
- if (*err == NULL) {
- switch (state) {
- case DATETIME_FIRST_YEAR:
- case DATETIME_SECOND_YEAR:
- case DATETIME_THIRD_YEAR:
- case DATETIME_FOURTH_YEAR:
- case DATETIME_FIRST_HYPHEN:
- case DATETIME_FIRST_MONTH:
- case DATETIME_SECOND_MONTH:
- case DATETIME_SECOND_HYPHEN:
- case DATETIME_FIRST_DAY:
- case DATETIME_SECOND_DAY:
- case DATETIME_FIRST_HOUR:
- case DATETIME_SECOND_HOUR:
- case DATETIME_FIRST_MINUTE:
- case DATETIME_SECOND_MINUTE:
- case DATETIME_FIRST_SECOND:
- case DATETIME_SECOND_SECOND:
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Invalid datetime string. "
- "Found '%s', formats allowed are: 'yyyy-mm-dd hh:mm:ss', "
- "'yyyy-mm-dd hh:ss', 'yyyy-mm-dd hh' and 'yyyy-mm-dd'.",
- orig);
- return NULL;
-
- case DATETIME_SPACE:
- case DATETIME_FIRST_COLON:
- case DATETIME_SECOND_COLON:
- case DATETIME_DONE:
- break; // these states are ok
- }
- }
-
- mktime(&t);
-
- char buf[1024];
- if (0 == strftime(buf, sizeof(buf), format, &t)) {
- *err = blogc_error_new_printf(BLOGC_WARNING_DATETIME_PARSER,
- "Failed to format DATE variable, FORMAT is too long: %s",
- format);
- return NULL;
- }
-
- return sb_strdup(buf);
-
-#endif
-}
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