diff options
Diffstat (limited to 'agenda_entry.c')
| -rw-r--r-- | agenda_entry.c | 175 |
1 files changed, 92 insertions, 83 deletions
diff --git a/agenda_entry.c b/agenda_entry.c index 91a23b9..d3fc466 100644 --- a/agenda_entry.c +++ b/agenda_entry.c @@ -4,107 +4,116 @@ char *next_word(char *str) { return strstr(str, " ")+1; } char *next_line(char *str) { return strstr(str, "\n")+1; } char *next_entry(char *str) { - char *tmp = strstr(str, "\n*"); - if (tmp) tmp += 1; - return tmp; } + char *tmp = strstr(str, "\n*"); + if (tmp) tmp += 1; + return tmp; +} entry read_agenda_entry(char *agenda) { - entry agenda_entry; - char *cursor = agenda; - char *lookahead, *tmp; - char *nextentry = next_entry(cursor); - if (nextentry == NULL) - nextentry = agenda + strlen(agenda) - 1; + entry agenda_entry; + char *cursor = agenda; + char *lookahead, *tmp; + char *nextentry = next_entry(cursor); + if (nextentry == NULL) + nextentry = agenda + strlen(agenda) - 1; + + while ((*cursor == '\n') || + (*cursor == '\t') || + (*cursor == ' ')) + cursor++; + while (*(cursor++) == '*'); // trim the * out - while ((*cursor == '\n') || - (*cursor == '\t') || - (*cursor == ' ')) - cursor++; - while (*(cursor++) == '*'); // trim the * out + //find out if there is a tag, and extract it + lookahead = strstr(cursor, ":\n"); + if (lookahead && (lookahead < nextentry)) { + tmp = rstrchr(cursor, lookahead-1, ':'); + agenda_entry.tag = (char *)malloc(lookahead - tmp); + strncpy(agenda_entry.tag, tmp+1, lookahead - tmp - 1); + agenda_entry.tag[lookahead - tmp - 1] = '\0'; // here we're actually modifying lookahead-tmp cause the array is zero indexed + lookahead = tmp; + } else { + lookahead = strstr(cursor, "\n"); + agenda_entry.tag = NULL; + } + agenda_entry.title = (char *)malloc(lookahead - cursor + 1); + strncpy(agenda_entry.title, cursor, lookahead - cursor); + agenda_entry.title[lookahead - cursor] = '\0'; // here we're actually modifying lookahead-cursor cause the array is zero indexed - //find out if there is a tag, and extract it - lookahead = strstr(cursor, ":\n"); - if (lookahead && (lookahead < nextentry)) { - tmp = rstrchr(cursor, lookahead-1, ':'); - agenda_entry.tag = (char *)malloc(lookahead - tmp); - strncpy(agenda_entry.tag, tmp+1, lookahead - tmp - 1); - agenda_entry.tag[lookahead - tmp - 1] = '\0'; // here we're actually modifying lookahead-tmp cause the array is zero indexed - lookahead = tmp; - } else { - lookahead = strstr(cursor, "\n"); - agenda_entry.tag = NULL; - } - agenda_entry.title = (char *)malloc(lookahead - cursor + 1); - strncpy(agenda_entry.title, cursor, lookahead - cursor); - agenda_entry.title[lookahead - cursor] = '\0'; // here we're actually modifying lookahead-cursor cause the array is zero indexed - - //find out if there is a deadline and extract it - cursor = next_line(cursor); - if (((lookahead = strstr(cursor, "DEADLINE:")) && - (lookahead < nextentry)) || - ((lookahead = strstr(cursor, "SCHEDULED:")) && - (lookahead < nextentry))) { + //find out if there is a deadline and extract it + cursor = next_line(cursor); + if (((lookahead = strstr(cursor, "DEADLINE:")) && + (lookahead < nextentry)) || + ((lookahead = strstr(cursor, "SCHEDULED:")) && + (lookahead < nextentry))) { //there is a deadline or event is scheduled - tmp = strstr(lookahead, ">"); - lookahead = strstr(lookahead, "<"); - char *date = (char *)malloc(tmp - lookahead + 1); - strncpy(date, lookahead+1, tmp - lookahead - 1); - agenda_entry.date = extract_date(date); - free(date); - } else { - agenda_entry.date = (Date){ 0, 0, 0 }; - } + tmp = strstr(lookahead, ">"); + lookahead = strstr(lookahead, "<"); + char *date = (char *)malloc(tmp - lookahead + 1); + strncpy(date, lookahead+1, tmp - lookahead - 1); + agenda_entry.date = extract_date(date); + free(date); + } else { + agenda_entry.date = (Date){ 0, 0, 0 }; + } - return agenda_entry; + return agenda_entry; } char *format_entry(entry e) { - char *ret = calloc(125, 1); - if (e.tag) - snprintf(ret, 124, " * %s \t:%s:", e.title, e.tag); - else - snprintf(ret, 124, " * %s", e.title); - return ret; + char *ret = calloc(125, 1); + if (e.tag) + snprintf(ret, 124, " * %s \t:%s:", e.title, e.tag); + else + snprintf(ret, 124, " * %s", e.title); + return ret; } void sort_entry_array(entry *arr, int n) { - if (n == 1) return; + merge_sort_entry_array(arr, n); +} - int halfway = n/2; - sort_entry_array(arr, halfway); - sort_entry_array(arr+halfway, n - halfway); +void merge_sort_entry_array(entry *arr, int n) { + if (n == 1) return; + + int halfway = n/2; + merge_sort_entry_array(arr, halfway); + merge_sort_entry_array(arr+halfway, n - halfway); + + merge_entry_array(arr, halfway, n); +} - int i = 0, - j = halfway; - entry *tmp; - entry sw; - while ((i < j) && (j < n)) { - if (smaller(arr[i].date, arr[j].date)) - i++; - else { - tmp = arr + j - 1; - while (tmp >= arr + i) { - sw = tmp[1]; - tmp[1] = tmp[0]; - tmp[0] = sw; - tmp--; - } - i++; - j++; - } - } +void merge_entry_array(entry *arr, int halfway, int n) { + int i = 0, + j = halfway; + entry *tmp; + entry sw; + while ((i < j) && (j < n)) { + if (smaller(arr[i].date, arr[j].date)) + i++; + else { + tmp = arr + j - 1; + while (tmp >= arr + i) { + sw = tmp[1]; + tmp[1] = tmp[0]; + tmp[0] = sw; + tmp--; + } + i++; + j++; + } + } } void print_entry(entry e) { - char *tmp = print_date_to_string(e.date); - printf("%s\n%s\n>%s\n", - e.title, - e.tag, - tmp); - free(tmp); + char *tmp = print_date_to_string(e.date); + printf("%s\n%s\n>%s\n", + e.title, + e.tag, + tmp); + free(tmp); } void destroy_entry(entry e) { - free(e.tag); - free(e.title); + free(e.tag); + free(e.title); } |