*
*/
-/*
-
- To use it as a super-history-search for bash:
- mymail --bash <(history)
-
-*/
-
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
#include <errno.h>
-#include <ncurses.h>
#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <regex.h>
#include <locale.h>
#include <getopt.h>
#include <limits.h>
+#include <dirent.h>
+#include <regex.h>
-#define VERSION "1.1.7"
+#define VERSION "0.1"
#define BUFFER_SIZE 16384
+struct parsable_field {
+ char *name;
+ char *regexp_string;
+ regex_t regexp;
+};
+
+char *db_filename;
+char *search_pattern;
+
+int action_index;
+
/********************************************************************/
/* malloc with error checking. */
/*********************************************************************/
void usage(FILE *out) {
-
fprintf(out, "mymail version %s (%s)\n", VERSION, UNAME);
fprintf(out, "Written by Francois Fleuret <francois@fleuret.org>.\n");
fprintf(out, "\n");
}
void read_file(const char *input_filename,
- int nb_lines_max, int *nb_lines) {
-
+ int nb_fields_to_parse, struct parsable_field *fields_to_parse,
+ FILE *db_file) {
char raw_line[BUFFER_SIZE];
- char *s;
FILE *file;
- int l;
+ int in_header, new_header;
+ unsigned int position_in_file;
file = fopen(input_filename, "r");
exit(EXIT_FAILURE);
}
- while(*nb_lines < nb_lines_max && fgets(raw_line, BUFFER_SIZE, file)) {
- l = strlen(raw_line);
- fgets(raw_line + l, BUFFER_SIZE - l, file);
- for(s = raw_line + strlen(raw_line) - 1; s > raw_line && *s == '\n'; s--) {
- *s = '\0';
+ in_header = 0;
+ new_header = 0;
+
+ position_in_file = 0;
+
+ while(fgets(raw_line, BUFFER_SIZE, file)) {
+ if(strncmp(raw_line, "From ", 5) == 0) {
+ if(in_header) {
+ fprintf(stderr,
+ "Got a 'From ' in the header in %s:%u.\n",
+ input_filename, position_in_file);
+ fprintf(stderr, "%s", raw_line);
+ exit(EXIT_FAILURE);
+ }
+ in_header = 1;
+ new_header = 1;
+ } else if(strncmp(raw_line, "\n", 1) == 0) {
+ if(in_header) { in_header = 0; }
+ }
+
+ /* if(in_header) { */
+ /* printf("LINE.H %s", raw_line); */
+ /* } else { */
+ /* printf("LINE.B %s", raw_line); */
+ /* } */
+
+ if(in_header) {
+ int f;
+ regmatch_t matches;
+ if(new_header) {
+ fprintf(db_file, "mail %s:%d\n", input_filename, position_in_file);
+ new_header = 0;
+ }
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ if(regexec(&fields_to_parse[f].regexp, raw_line, 1, &matches, 0) == 0) {
+ fprintf(db_file, "%s %s",
+ fields_to_parse[f].name,
+ raw_line + matches.rm_eo);
+ }
+ }
}
- /* store_line(hash_table, raw_line, nb_lines, lines); */
+
+ position_in_file += strlen(raw_line);
}
fclose(file);
}
+int ignore_entry(const char *name) {
+ return
+ strcmp(name, ".") == 0 ||
+ strcmp(name, "..") == 0 ||
+ (name[0] == '.' && name[1] != '/');
+}
+
+void process_entry(const char *dir_name,
+ int nb_fields_to_parse, struct parsable_field *fields_to_parse,
+ FILE *db_file) {
+ DIR *dir;
+ struct dirent *dir_e;
+ struct stat sb;
+ char subname[PATH_MAX + 1];
+
+ if(lstat(dir_name, &sb) != 0) {
+ fprintf(stderr,
+ "mymail: Can not stat \"%s\": %s\n",
+ dir_name,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ } else {
+ }
+
+ if(S_ISLNK(sb.st_mode)) {
+ return;
+ }
+
+ dir = opendir(dir_name);
+
+ if(dir) {
+ printf("Processing directory '%s'.\n", dir_name);
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", dir_name, dir_e->d_name);
+ process_entry(subname, nb_fields_to_parse, fields_to_parse, db_file);
+ }
+ }
+ closedir(dir);
+ } else {
+ if(S_ISREG(sb.st_mode)) {
+ /* printf("Processing regular file '%s'.\n", dir_name); */
+ read_file(dir_name, nb_fields_to_parse, fields_to_parse, db_file);
+ }
+ }
+}
+
/*********************************************************************/
/* For long options that have no equivalent short option, use a
static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
+ { "db-prefix", 1, 0, 'p' },
+ { "search-pattern", 1, 0, 's' },
+ { "index", 0, 0, 'i' },
{ 0, 0, 0, 0 }
};
+static struct parsable_field fields_to_parse[] = {
+ {
+ "from",
+ "^\\([Ff][Rr][Oo][Mm]:\\|From\\) *",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ "dest",
+ "^\\([Tt][Oo]\\|[Cc][Cc]\\|[Bb][Cc][Cc]\\): *",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+};
+
int main(int argc, char **argv) {
int error = 0, show_help = 0;
+ const int nb_fields_to_parse = sizeof(fields_to_parse) / sizeof(struct parsable_field);
char c;
+ int f;
+
+ action_index = 0;
+ search_pattern = 0;
setlocale(LC_ALL, "");
- while ((c = getopt_long(argc, argv, "o:s:x:vwmqf:ibzdeajyunt:r:l:c:-h",
+ while ((c = getopt_long(argc, argv, "hip:s:",
long_options, NULL)) != -1) {
switch(c) {
show_help = 1;
break;
+ case 'i':
+ action_index = 1;
+ break;
+
+ case 'p':
+ db_filename = strdup(optarg);
+ break;
+
+ case 's':
+ if(search_pattern) {
+ fprintf(stderr,
+ "mymail: Search pattern already defined.\n");
+ exit(EXIT_FAILURE);
+ }
+ search_pattern = strdup(optarg);
+ break;
+
default:
error = 1;
break;
}
}
+ if(!db_filename) {
+ db_filename = strdup("/tmp/mymail");
+ }
+
if(error) {
usage(stderr);
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
+ if(action_index) {
+ FILE *db_file = fopen(db_filename, "w");
+ if(!db_file) {
+ fprintf(stderr,
+ "mymail: Can not open \"%s\" for writing: %s\n",
+ db_filename,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ if(regcomp(&fields_to_parse[f].regexp,
+ fields_to_parse[f].regexp_string,
+ REG_ICASE)) {
+ fprintf(stderr,
+ "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
+ fields_to_parse[f].regexp_string,
+ fields_to_parse[f].name);
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ while(optind < argc) {
+ process_entry(argv[optind],
+ nb_fields_to_parse, fields_to_parse, db_file);
+ optind++;
+ }
+
+ fclose(db_file);
+
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ regfree(&fields_to_parse[f].regexp);
+ }
+ }
+
+ else {
+ if(search_pattern) {
+ char *search_name;
+ char *search_regexp;
+ search_name = search_pattern;
+ search_regexp = search_pattern;
+ while(*search_regexp && *search_regexp != ' ') search_regexp++;
+ *search_regexp = '\0'; search_regexp++;
+ while(*search_regexp && *search_regexp == ' ') search_regexp++;
+ if(!*search_regexp) {
+ fprintf(stderr,
+ "Syntax error in the search pattern.\n");
+ exit(EXIT_FAILURE);
+ }
+ printf("Starting search in %s for field \"%s\" matching \"%s\".\n",
+ db_filename,
+ search_name,
+ search_regexp);
+ free(search_pattern);
+ }
+ }
+
exit(EXIT_SUCCESS);
}
projects / mymail.git / blobdiff