X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=mymail.c;h=dc7c58c2d4429bb7b31aeded25a99ddaf8bffa15;hb=8dea757944e71980e7b76ede4553eb1fb457c1ec;hp=c24c701cf487d7b971758a44786e562517794362;hpb=d6081facd85f846089fa90fb7a24eb2c2dfb2d28;p=mymail.git diff --git a/mymail.c b/mymail.c index c24c701..dc7c58c 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 @@ -37,11 +30,21 @@ #include #include #include +#include #define VERSION "0.1" #define BUFFER_SIZE 16384 +struct parsable_field { + char *name; + char *regexp_string; + regex_t regexp; + FILE *db_file; +}; + +char *db_filename_prefix; + /********************************************************************/ /* malloc with error checking. */ @@ -66,12 +69,12 @@ void usage(FILE *out) { fprintf(out, "\n"); } -void read_file(const char *input_filename) { - +void read_file(const char *input_filename, + int nb_fields_to_parse, struct parsable_field *fields_to_parse) { char raw_line[BUFFER_SIZE]; - char *s; FILE *file; int in_header; + unsigned int position_in_file; file = fopen(input_filename, "r"); @@ -82,10 +85,15 @@ void read_file(const char *input_filename) { in_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; @@ -93,11 +101,25 @@ void read_file(const char *input_filename) { 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; + for(f = 0; f < nb_fields_to_parse; f++) { + if(regexec(&fields_to_parse[f].regexp, raw_line, 1, &matches, 0) == 0) { + fprintf(fields_to_parse[f].db_file, "%s:%d %s", + input_filename, position_in_file, + raw_line + matches.rm_eo); + } + } } + + position_in_file += strlen(raw_line); } fclose(file); @@ -110,14 +132,18 @@ int ignore_entry(const char *name) { (name[0] == '.' && name[1] != '/'); } -void process_dir(const char *dir_name) { +void process_entry(const char *dir_name, + int nb_fields_to_parse, struct parsable_field *fields_to_parse) { 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)); + fprintf(stderr, + "mymail: Can not stat \"%s\": %s\n", + dir_name, + strerror(errno)); exit(EXIT_FAILURE); } else { } @@ -133,14 +159,14 @@ void process_dir(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_dir(subname); + process_entry(subname, nb_fields_to_parse, fields_to_parse); } } closedir(dir); } else { if(S_ISREG(sb.st_mode)) { - printf("Processing regular file '%s'.\n", dir_name); - read_file(dir_name); + /* printf("Processing regular file '%s'.\n", dir_name); */ + read_file(dir_name, nb_fields_to_parse, fields_to_parse); } } } @@ -156,16 +182,33 @@ enum static struct option long_options[] = { { "help", no_argument, 0, 'h' }, + { "db-prefix", 1, 0, 'p' }, { 0, 0, 0, 0 } }; +static struct parsable_field fields_to_parse[] = { + { + "from", + "^[Ff][Rr][Oo][Mm]: *", + { 0, 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 }, 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; setlocale(LC_ALL, ""); - while ((c = getopt_long(argc, argv, "o:s:x:vwmqf:ibzdeajyunt:r:l:c:-h", + while ((c = getopt_long(argc, argv, "hp:", long_options, NULL)) != -1) { switch(c) { @@ -174,12 +217,20 @@ int main(int argc, char **argv) { show_help = 1; break; + case 'p': + db_filename_prefix = strdup(optarg); + break; + default: error = 1; break; } } + if(!db_filename_prefix) { + db_filename_prefix = strdup("/tmp/mymail_"); + } + if(error) { usage(stderr); exit(EXIT_FAILURE); @@ -190,10 +241,41 @@ int main(int argc, char **argv) { exit(EXIT_SUCCESS); } + for(f = 0; f < nb_fields_to_parse; f++) { + char db_filename[BUFFER_SIZE]; + sprintf(db_filename, "%s%s", db_filename_prefix, fields_to_parse[f].name); + fields_to_parse[f].db_file = fopen(db_filename, "w"); + if(!fields_to_parse[f].db_file) { + fprintf(stderr, + "mymail: Can not open \"%s\" for writing: %s\n", + db_filename, + strerror(errno)); + exit(EXIT_FAILURE); + } + + printf("Initialized %s.\n", db_filename); + + 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_dir(argv[optind]); + process_entry(argv[optind], + nb_fields_to_parse, fields_to_parse); optind++; } + for(f = 0; f < nb_fields_to_parse; f++) { + fclose(fields_to_parse[f].db_file); + regfree(&fields_to_parse[f].regexp); + } + exit(EXIT_SUCCESS); }