X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=mymail.c;h=25121a4f61432ca71c049ed1bf5221f95a4e0719;hb=5166266bf624c0a4d94d7751bb819c26cc1cc22d;hp=da9bed10fb61104186f596d8aea521fe6d881d89;hpb=2784e69f483494bdaa06056a4384a85b410a4f6a;p=mymail.git diff --git a/mymail.c b/mymail.c index da9bed1..25121a4 100644 --- a/mymail.c +++ b/mymail.c @@ -19,13 +19,6 @@ * */ -/* - - To use it as a super-history-search for bash: - mymail --bash <(history) - -*/ - #define _GNU_SOURCE #include @@ -37,16 +30,23 @@ #include #include #include +#include #define VERSION "0.1" #define BUFFER_SIZE 16384 struct parsable_field { - char *regexp; - char *db_filename; + char *name; + char *regexp_string; + regex_t regexp; }; +char *db_filename; +char *search_pattern; + +int action_index; + /********************************************************************/ /* malloc with error checking. */ @@ -73,10 +73,11 @@ void usage(FILE *out) { void read_file(const char *input_filename, int nb_fields_to_parse, struct parsable_field *fields_to_parse, - FILE **db_files) { + FILE *db_file) { char raw_line[BUFFER_SIZE]; FILE *file; - int in_header; + int in_header, new_header; + unsigned int position_in_file; file = fopen(input_filename, "r"); @@ -86,23 +87,48 @@ void read_file(const char *input_filename, } 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.\n"); + 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) { - printf("LINE.H %s", raw_line); - } else { - printf("LINE.B %s", raw_line); + 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); + } + } } + + position_in_file += strlen(raw_line); } fclose(file); @@ -117,7 +143,7 @@ int ignore_entry(const char *name) { void process_entry(const char *dir_name, int nb_fields_to_parse, struct parsable_field *fields_to_parse, - FILE **db_files) { + FILE *db_file) { DIR *dir; struct dirent *dir_e; struct stat sb; @@ -143,14 +169,14 @@ void process_entry(const char *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_files); + 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_files); + /* printf("Processing regular file '%s'.\n", dir_name); */ + read_file(dir_name, nb_fields_to_parse, fields_to_parse, db_file); } } } @@ -166,11 +192,24 @@ enum 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[] = { - { "^[Tt][Oo]:", "/tmp/mymail-to" } + { + "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) { @@ -178,11 +217,13 @@ int main(int argc, char **argv) { const int nb_fields_to_parse = sizeof(fields_to_parse) / sizeof(struct parsable_field); char c; int f; - FILE **db_files; + + action_index = 0; + search_pattern = 0; setlocale(LC_ALL, ""); - while ((c = getopt_long(argc, argv, "h", + while ((c = getopt_long(argc, argv, "hip:s:", long_options, NULL)) != -1) { switch(c) { @@ -191,12 +232,33 @@ int main(int argc, char **argv) { 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); @@ -207,30 +269,62 @@ int main(int argc, char **argv) { exit(EXIT_SUCCESS); } - db_files = safe_malloc(nb_fields_to_parse * sizeof(FILE *)); - - for(f = 0; f < nb_fields_to_parse; f++) { - db_files[f] = fopen(fields_to_parse[f].db_filename, "w"); - if(!db_files[f]) { + if(action_index) { + FILE *db_file = fopen(db_filename, "w"); + if(!db_file) { fprintf(stderr, "mymail: Can not open \"%s\" for writing: %s\n", - fields_to_parse[f].db_filename, + db_filename, strerror(errno)); + exit(EXIT_FAILURE); } - } - while(optind < argc) { - process_entry(argv[optind], - nb_fields_to_parse, fields_to_parse, - db_files); - optind++; - } + 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++; + } - for(f = 0; f < nb_fields_to_parse; f++) { - fclose(db_files[f]); + fclose(db_file); + + for(f = 0; f < nb_fields_to_parse; f++) { + regfree(&fields_to_parse[f].regexp); + } } - free(db_files); + 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); }