X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mymail.git;a=blobdiff_plain;f=mymail.c;h=10d44280740e1114ca324ea8be2e126ef1f0ac53;hp=318ba918c06c17540041c4ff28a02439f3813cf7;hb=70365d16fea383a484a3ba8cfdc953c726cb7a8c;hpb=5b75c74b6e32348eeb8ac214b39cb36aa82b9ab5 diff --git a/mymail.c b/mymail.c index 318ba91..10d4428 100644 --- a/mymail.c +++ b/mymail.c @@ -46,7 +46,7 @@ #include #define MYMAIL_DB_MAGIC_TOKEN "mymail_index_file" -#define VERSION "0.9.5" +#define VERSION "0.9.6" #define MAX_NB_SEARCH_CONDITIONS 32 @@ -58,6 +58,7 @@ /* Global variables! */ int global_quiet; +int global_use_leading_time; regex_t global_leading_from_line_regexp; @@ -72,7 +73,7 @@ enum { ID_DATE, ID_PARTICIPANT, ID_BODY, - ID_INTERVAL, + ID_TIME_INTERVAL, MAX_ID }; @@ -210,6 +211,9 @@ void print_usage(FILE *out) { fprintf(out, " print the version number\n"); fprintf(out, " -q, --quiet\n"); fprintf(out, " do not print information during search\n"); + fprintf(out, " -t, --use-leading-time\n"); + fprintf(out, " use the time stamp from the leading line of each mail and not the Date:\n"); + fprintf(out, " field\n"); fprintf(out, " -p , --db-pattern \n"); fprintf(out, " set the db filename pattern for recursive search\n"); fprintf(out, " -r , --db-root \n"); @@ -248,44 +252,24 @@ int is_a_leading_from_line(char *mbox_line) { int mbox_line_match_search(struct search_condition *condition, int mbox_id, const char *mbox_value) { - if(condition->field_id == ID_INTERVAL) { - if(mbox_id == ID_LEADING_LINE) { - const char *c; - time_t t; - struct tm tm; - - c = mbox_value; - while(*c && *c != ' ') c++; while(*c && *c == ' ') c++; - strptime(c, "%a %b %e %k:%M:%S %Y", &tm); - t = mktime(&tm); - - return (t >= condition->interval_start && - (condition->interval_stop == 0 || - t <= condition->interval_stop)); - } else { - return 0; - } - } else { - return - ( - - (condition->field_id == mbox_id) + return + ( + (condition->field_id == mbox_id) - || + || - (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_LEADING_LINE || - mbox_id == ID_FROM || - mbox_id == ID_TO)) - || + (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_LEADING_LINE || + mbox_id == ID_FROM || + mbox_id == ID_TO)) + || - (condition->field_id == ID_FROM && mbox_id == ID_LEADING_LINE) + (condition->field_id == ID_FROM && mbox_id == ID_LEADING_LINE) - ) + ) - && + && - regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0; - } + regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0; } void update_body_hits(char *mail_filename, int position_in_mail, @@ -354,6 +338,78 @@ void extract_mail(const char *mail_filename, unsigned long int position_in_mail, fclose(mail_file); } +int check_full_mail_match(char *current_mail_filename, + time_t mail_time, + int nb_search_conditions, + struct search_condition *search_conditions, + int nb_body_conditions, + int *hits, + int current_position_in_mail) { + int n, nb_fulfilled_body_conditions; + + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].field_id == ID_TIME_INTERVAL) { + hits[n] = (mail_time >= search_conditions[n].interval_start && + (search_conditions[n].interval_stop == 0 || + mail_time <= search_conditions[n].interval_stop)); + } + } + + /* We first check all conditions but the body ones */ + + for(n = 0; n < nb_search_conditions && + ((search_conditions[n].field_id == ID_BODY) || + xor(hits[n], search_conditions[n].negation)); n++); + + if(n == nb_search_conditions) { + + /* Now check the body ones */ + + nb_fulfilled_body_conditions = 0; + + if(nb_body_conditions > 0) { + update_body_hits(current_mail_filename, current_position_in_mail, + nb_search_conditions, search_conditions, + nb_body_conditions, + hits); + + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].field_id == ID_BODY && + xor(hits[n], search_conditions[n].negation)) { + nb_fulfilled_body_conditions++; + } + } + } + return nb_body_conditions == nb_fulfilled_body_conditions; + } else { + return 0; + } +} + +/* We use the mail leading line time by default, and if we should and + can, we update with the Date: field */ + +void update_time(int mbox_id, const char *mbox_value, time_t *t) { + const char *c; + struct tm tm; + + if(mbox_id == ID_LEADING_LINE) { + c = mbox_value; + while(*c && *c != ' ') c++; while(*c && *c == ' ') c++; + strptime(c, "%a %b %e %k:%M:%S %Y", &tm); + *t = mktime(&tm); + } else { + if(!global_use_leading_time) { + if(mbox_id == ID_DATE) { + if(strptime(mbox_value, "%a, %d %b %Y %k:%M:%S", &tm) || + strptime(mbox_value, "%d %b %Y %k:%M:%S", &tm)) { + *t = mktime(&tm); + } + } + } + } +} + int search_in_db(const char *db_filename, int nb_search_conditions, struct search_condition *search_conditions, @@ -364,12 +420,14 @@ int search_in_db(const char *db_filename, char current_mail_filename[PATH_MAX + 1]; unsigned long int current_position_in_mail; char mbox_key[TOKEN_BUFFER_SIZE]; + char position_in_file_string[TOKEN_BUFFER_SIZE]; const char *mbox_value; int mbox_id; int already_written, m, n; - int nb_body_conditions, nb_fulfilled_body_conditions; + int nb_body_conditions, need_time; FILE *db_file; int nb_extracted_mails; + time_t mail_time; nb_extracted_mails = 0; @@ -404,10 +462,16 @@ int search_in_db(const char *db_filename, for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } nb_body_conditions = 0; + need_time = 0; + mail_time = 0; + for(n = 0; n < nb_search_conditions; n++) { if(search_conditions[n].field_id == ID_BODY) { nb_body_conditions++; } + else if(search_conditions[n].field_id == ID_TIME_INTERVAL) { + need_time = 1; + } } strcpy(current_mail_filename, ""); @@ -416,47 +480,19 @@ int search_in_db(const char *db_filename, mbox_value = parse_token(mbox_key, TOKEN_BUFFER_SIZE, ' ', raw_db_line); if(strcmp("mail", mbox_key) == 0) { - char position_in_file_string[TOKEN_BUFFER_SIZE]; - if(current_mail_filename[0]) { - - /* We first check all conditions but the body ones */ - - for(n = 0; n < nb_search_conditions && - ((search_conditions[n].field_id == ID_BODY) || - xor(hits[n], search_conditions[n].negation)); n++); - - if(n == nb_search_conditions) { - - /* Now check the body ones */ - - nb_fulfilled_body_conditions = 0; - - if(nb_body_conditions > 0) { - update_body_hits(current_mail_filename, current_position_in_mail, - nb_search_conditions, search_conditions, - nb_body_conditions, - hits); - - for(n = 0; n < nb_search_conditions; n++) { - if(search_conditions[n].field_id == ID_BODY && - xor(hits[n], search_conditions[n].negation)) { - nb_fulfilled_body_conditions++; - } - } - } - - if(nb_body_conditions == nb_fulfilled_body_conditions) { - nb_extracted_mails++; - extract_mail(current_mail_filename, current_position_in_mail, output_file); - } + if(check_full_mail_match(current_mail_filename, + mail_time, + nb_search_conditions, search_conditions, + nb_body_conditions, hits, current_position_in_mail)) { + extract_mail(current_mail_filename, current_position_in_mail, output_file); + nb_extracted_mails++; } } for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } - mbox_value = parse_token(position_in_file_string, TOKEN_BUFFER_SIZE, ' ', mbox_value); - mbox_value = parse_token(current_mail_filename, TOKEN_BUFFER_SIZE, '\n', mbox_value); + mbox_value = parse_token(current_mail_filename, PATH_MAX+1, '\n', mbox_value); current_position_in_mail = atol(position_in_file_string); already_written = 0; } @@ -468,10 +504,25 @@ int search_in_db(const char *db_filename, mbox_id = m; } } + for(n = 0; n < nb_search_conditions; n++) { hits[n] |= mbox_line_match_search(&search_conditions[n], mbox_id, mbox_value); } + + if(need_time) { + update_time(mbox_id, mbox_value, &mail_time); + } + } + } + + if(current_mail_filename[0]) { + if(check_full_mail_match(current_mail_filename, + mail_time, + nb_search_conditions, search_conditions, + nb_body_conditions, hits, current_position_in_mail)) { + extract_mail(current_mail_filename, current_position_in_mail, output_file); + nb_extracted_mails++; } } @@ -568,16 +619,29 @@ void index_mbox(const char *mbox_filename, while(fgets(raw_mbox_line, BUFFER_SIZE, file)) { if(is_a_leading_from_line(raw_mbox_line)) { + /* This starts a new mail */ if(in_header) { fprintf(stderr, "Got a ^\"From \" in the header in %s:%lu.\n", mbox_filename, position_in_file); fprintf(stderr, "%s", raw_mbox_line); } + + /* printf("LEADING_LINE %s", raw_mbox_line); */ + in_header = 1; new_header = 1; } else if(raw_mbox_line[0] == '\n') { - if(in_header) { in_header = 0; } + if(in_header) { + in_header = 0; + /* We leave the header, index the current line */ + if(full_line[0]) { + /* printf("INDEX %s\n", full_line); */ + index_one_mbox_line(nb_fields_to_parse, fields_to_parse, full_line, db_file); + } + end_of_full_line = full_line; + *end_of_full_line = '\0'; + } } if(in_header) { @@ -587,6 +651,7 @@ void index_mbox(const char *mbox_filename, } if(raw_mbox_line[0] == ' ' || raw_mbox_line[0] == '\t') { + /* Continuation of a line */ char *start = raw_mbox_line; while(*start == ' ' || *start == '\t') start++; *(end_of_full_line++) = ' '; @@ -598,17 +663,10 @@ void index_mbox(const char *mbox_filename, } else { - /* - if(!((raw_mbox_line[0] >= 'a' && raw_mbox_line[0] <= 'z') || - (raw_mbox_line[0] >= 'A' && raw_mbox_line[0] <= 'Z'))) { - fprintf(stderr, - "Header line syntax error %s:%lu.\n", - mbox_filename, position_in_file); - fprintf(stderr, "%s", raw_mbox_line); - } - */ + /* Start a new header line, not a continuation */ if(full_line[0]) { + /* printf("INDEX %s\n", full_line); */ index_one_mbox_line(nb_fields_to_parse, fields_to_parse, full_line, db_file); } @@ -676,6 +734,7 @@ static struct option long_options[] = { { "help", no_argument, 0, 'h' }, { "version", no_argument, 0, 'v' }, { "quiet", no_argument, 0, 'q' }, + { "use-leading-time", no_argument, 0, 't' }, { "db-file-generate", 1, 0, 'd' }, { "db-pattern", 1, 0, 'p' }, { "db-root", 1, 0, 'r' }, @@ -690,6 +749,7 @@ static struct option long_options[] = { struct time_criterion { char *label; + int day_criterion; int start_hour, end_hour; int past_week_day; }; @@ -698,23 +758,23 @@ struct time_criterion { static struct time_criterion time_criteria[] = { - { "8h", 8, -1, -1 }, - { "today", 24, -1, -1 }, - { "24h", 24, -1, -1 }, - { "48h", 48, -1, -1 }, - { "week", 24 * 7, -1, -1 }, - { "month", 24 * 31, -1, -1 }, - { "year", 24 * 365, -1, -1 }, + { "8h", 0, 8, -1, -1 }, + { "24h", 0, 24, -1, -1 }, + { "48h", 0, 48, -1, -1 }, + { "week", 0, 24 * 7, -1, -1 }, + { "month", 0, 24 * 31, -1, -1 }, + { "year", 0, 24 * 365, -1, -1 }, - { "yesterday", 48, 24, -1 }, + { "yesterday", 1, -1, -1, -1 }, + { "today", 1, -1, -1, 0 }, - { "monday", -1, -1, 1 }, - { "tuesday", -1, -1, 2 }, - { "wednesday", -1, -1, 3 }, - { "thursday", -1, -1, 4 }, - { "friday", -1, -1, 5 }, - { "saturday", -1, -1, 6 }, - { "sunday", -1, -1, 7 }, + { "monday", 1, -1, -1, 1 }, + { "tuesday", 1, -1, -1, 2 }, + { "wednesday", 1, -1, -1, 3 }, + { "thursday", 1, -1, -1, 4 }, + { "friday", 1, -1, -1, 5 }, + { "saturday", 1, -1, -1, 6 }, + { "sunday", 1, -1, -1, 7 }, }; @@ -726,8 +786,11 @@ time_t time_for_past_day(int day) { int delta_day; t = time(0); tm = localtime(&t); - delta_day = (7 + tm->tm_wday - day) % 7; - if(delta_day == 0) { delta_day = 7; } + if(day > 0) { + delta_day = (7 + tm->tm_wday - day) % 7; + } else { + delta_day = - day; + } return t - (delta_day * 3600 * 24 + tm->tm_sec + 60 * tm->tm_min + 3600 * tm->tm_hour); } @@ -753,17 +816,17 @@ void init_condition(struct search_condition *condition, const char *full_string, for(k = 0; k < sizeof(time_criteria) / sizeof(struct time_criterion); k++) { if(strcmp(time_criteria[k].label, search_field) == 0) { - condition->field_id = ID_INTERVAL; - if(time_criteria[k].past_week_day < 0) { + condition->field_id = ID_TIME_INTERVAL; + if(time_criteria[k].day_criterion) { + condition->interval_start = time_for_past_day(time_criteria[k].past_week_day); + condition->interval_stop = condition->interval_start + 3600 * 24; + } else { condition->interval_start = time(0) - 3600 * time_criteria[k].start_hour; if(time_criteria[k].end_hour >= 0) { condition->interval_stop = time(0) - 3600 * time_criteria[k].end_hour; } else { condition->interval_stop = 0; } - } else { - condition->interval_start = time_for_past_day(time_criteria[k].past_week_day); - condition->interval_stop = condition->interval_start + 3600 * 24; } break; } @@ -814,7 +877,7 @@ void init_condition(struct search_condition *condition, const char *full_string, } void free_condition(struct search_condition *condition) { - if(condition->field_id != ID_INTERVAL) { + if(condition->field_id != ID_TIME_INTERVAL) { regfree(&condition->regexp); } } @@ -847,6 +910,7 @@ int main(int argc, char **argv) { } global_quiet = 0; + global_use_leading_time = 0; default_search_field = 0; strncpy(output_filename, "", PATH_MAX); @@ -871,6 +935,10 @@ int main(int argc, char **argv) { global_quiet = 1; break; + case 't': + global_use_leading_time = 1; + break; + case 'i': action_index = 1; break;