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[pkg/abook.git] / abook.c
diff --git a/abook.c b/abook.c
index 8366cfdd1a3c6058314e68800dbf377ad2335389..502aae228ed1b11f293ccd3c06e0b7225a97d63e 100644 (file)
--- a/abook.c
+++ b/abook.c
@@ -1,24 +1,29 @@
 /*
  * $Id$
  *
- * by JH <jheinonen@bigfoot.com>
+ * by JH <jheinonen@users.sourceforge.net>
  *
  * Copyright (C) Jaakko Heinonen
  */
 
+#include <errno.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <stdlib.h>
 #include <sys/stat.h>
-#include <signal.h>
-#include <fcntl.h>
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
 #endif
 #if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE)
 #      include <locale.h>
 #endif
+#include <assert.h>
 #include "abook.h"
+#include "gettext.h"
 #include "ui.h"
 #include "database.h"
 #include "list.h"
 #include "edit.h"
 #include "misc.h"
 #include "options.h"
+#include "getname.h"
+#include "getopt.h"
+#include "views.h"
+#include "xmalloc.h"
 
 static void             init_abook();
+static void            quit_abook_sig(int i);
 static void             set_filenames();
-static void            free_filenames();
 static void             parse_command_line(int argc, char **argv);
 static void             show_usage();
 static void             mutt_query(char *str);
 static void             init_mutt_query();
-static void             quit_mutt_query();
 static void            convert(char *srcformat, char *srcfile,
                                char *dstformat, char *dstfile);
+static void            add_email(int);
 
 char *datafile = NULL;
-char *rcfile = NULL;
+static char *rcfile = NULL;
+
+// custom formatting
+char custom_format[FORMAT_STRING_LEN] = "{nick} ({name}): {mobile}";
+struct abook_output_item_filter selected_item_filter;
+
+bool alternative_datafile = FALSE;
+bool alternative_rcfile = FALSE;
+
+
+static int
+datafile_writeable()
+{
+       FILE *f;
+
+       assert(datafile != NULL);
+
+       if( (f = fopen(datafile, "a")) == NULL)
+               return FALSE;
+
+       fclose(f);
+
+       return TRUE;
+}
 
 static void
-init_abook()
+check_abook_directory()
 {
-       set_filenames();
-       init_options();
-
-       signal(SIGKILL, quit_abook);
-       signal(SIGTERM, quit_abook);
-       
-       if( init_ui() )
-               exit(1);
-       
-       umask(DEFAULT_UMASK);
+       struct stat s;
+       char *dir;
+
+       assert(!is_ui_initialized());
+
+       if(alternative_datafile)
+               return;
+
+       dir = strconcat(getenv("HOME"), "/" DIR_IN_HOME, NULL);
+       assert(dir != NULL);
+
+       if(stat(dir, &s) == -1) {
+               if(errno != ENOENT) {
+                       perror(dir);
+                        free(dir);
+                        exit(EXIT_FAILURE);
+               }
+               if(mkdir(dir, 0700) == -1) {
+                       printf(_("Cannot create directory %s\n"), dir);
+                       perror(dir);
+                       free(dir);
+                       exit(EXIT_FAILURE);
+               }
+       } else if(!S_ISDIR(s.st_mode)) {
+               printf(_("%s is not a directory\n"), dir);
+               free(dir);
+               exit(EXIT_FAILURE);
+       }
+
+       free(dir);
+}
 
+static void
+xmalloc_error_handler(int err)
+{
        /*
-        * this is very ugly for now
+        * We don't try to save addressbook here because we don't know
+        * if it's fully loaded to memory.
         */
-       /*if( options_get_int("datafile", "autosave") )*/
-
-       if( load_database(datafile) == 2 ) {
-               char *tmp = strconcat(getenv("HOME"),
-                               "/" DATAFILE, NULL);
-
-               if( safe_strcmp(tmp, datafile) ) {
-                       refresh_screen();
-                       statusline_msg("Sorry, the specified file does "
-                               "not appear to be a valid abook addressbook");
-                       statusline_msg("Will open default addressbook...");
-                       free(datafile);
-                       datafile = tmp;
-                       load_database(datafile);
-               } else
-                       free(tmp);
+       if(is_ui_initialized())
+               close_ui();
+
+       fprintf(stderr, _("Memory allocation failure: %s\n"), strerror(err));
+       exit(EXIT_FAILURE);
+}
+
+static void
+init_abook()
+{
+       set_filenames();
+       check_abook_directory();
+       init_opts();
+       if(load_opts(rcfile) > 0) {
+               printf(_("Press enter to continue...\n"));
+               fgetc(stdin);
        }
+       init_default_views();
+
+       signal(SIGTERM, quit_abook_sig);
+
+       init_index();
+
+       if(init_ui())
+               exit(EXIT_FAILURE);
+
+       umask(DEFAULT_UMASK);
+
+       if(!datafile_writeable()) {
+               char *s = strdup_printf(_("File %s is not writeable"), datafile);
+               refresh_screen();
+               statusline_msg(s);
+               free(s);
+               if(load_database(datafile) || !statusline_ask_boolean(
+                                       _("If you continue all changes will "
+                               "be lost. Do you want to continue?"), FALSE)) {
+                       free_opts();
+                       /*close_database();*/
+                       close_ui();
+                       exit(EXIT_FAILURE);
+               }
+       } else
+               load_database(datafile);
 
        refresh_screen();
 }
 
 void
-quit_abook()
+quit_abook(int save_db)
 {
-       if( options_get_int("autosave") )
-               save_database();
-       else if( statusline_ask_boolean("Save database", TRUE) )
-               save_database();
+       if(save_db)  {
+               if(opt_get_bool(BOOL_AUTOSAVE))
+                       save_database();
+               else if(statusline_ask_boolean(_("Save database"), TRUE))
+                       save_database();
+       } else if(!statusline_ask_boolean(_("Quit without saving"), FALSE))
+               return;
 
-       close_config();
+       free_opts();
        close_database();
 
        close_ui();
-       
-       exit(0);
+
+       exit(EXIT_SUCCESS);
+}
+
+static void
+quit_abook_sig(int i)
+{
+       quit_abook(QUIT_SAVE);
 }
 
 int
 main(int argc, char **argv)
 {
 #if defined(HAVE_SETLOCALE) && defined(HAVE_LOCALE_H)
-       setlocale(LC_ALL, "" );
+       setlocale(LC_MESSAGES, "");
+       setlocale(LC_TIME, "");
+       setlocale(LC_CTYPE, "");
+       setlocale(LC_COLLATE, "");
 #endif
-               
+       bindtextdomain(PACKAGE, LOCALEDIR);
+       textdomain(PACKAGE);
+
+       xmalloc_set_error_handler(xmalloc_error_handler);
+
+       prepare_database_internals();
+
        parse_command_line(argc, argv);
-       
+
        init_abook();
 
-       get_commands(); 
-       
-       quit_abook();
+       get_commands();
+
+       quit_abook(QUIT_SAVE);
 
        return 0;
 }
 
+static void
+free_filenames()
+{
+       xfree(rcfile);
+       xfree(datafile);
+}
+
+
 static void
 set_filenames()
 {
        struct stat s;
 
        if( (stat(getenv("HOME"), &s)) == -1 || ! S_ISDIR(s.st_mode) ) {
-               fprintf(stderr,"%s is not a valid HOME directory\n", getenv("HOME") );
-               exit(1);
+               fprintf(stderr,_("%s is not a valid HOME directory\n"), getenv("HOME") );
+               exit(EXIT_FAILURE);
        }
 
-       if (!datafile)
-               datafile = strconcat(getenv("HOME"), "/" DATAFILE, NULL);
+       if(!datafile)
+               datafile = strconcat(getenv("HOME"), "/" DIR_IN_HOME "/"
+                               DATAFILE, NULL);
 
-       rcfile = strconcat(getenv("HOME"), "/" RCFILE, NULL);
+       if(!rcfile)
+               rcfile = strconcat(getenv("HOME"), "/" DIR_IN_HOME "/"
+                               RCFILE, NULL);
 
        atexit(free_filenames);
 }
 
+/*
+ * CLI
+ */
+
+enum {
+       MODE_CONT,
+       MODE_ADD_EMAIL,
+       MODE_ADD_EMAIL_QUIET,
+       MODE_QUERY,
+       MODE_CONVERT
+};
+
 static void
-free_filenames()
+change_mode(int *current, int mode)
 {
-       my_free(rcfile);
-       my_free(datafile);
+       if(*current != MODE_CONT) {
+               fprintf(stderr, _("Cannot combine options --mutt-query, "
+                               "--convert, "
+                               "--add-email or --add-email-quiet\n"));
+               exit(EXIT_FAILURE);
+       }
+
+       *current = mode;
+}
+
+void
+set_filename(char **var, char *path)
+{
+       char *cwd;
+
+       assert(var != NULL);
+       assert(*var == NULL); /* or else we probably leak memory */
+       assert(path != NULL);
+
+       if(*path == '/') {
+               *var = xstrdup(path);
+               return;
+       }
+
+       cwd = my_getcwd();
+
+       *var = strconcat(cwd, "/", path, NULL);
+
+       free(cwd);
 }
 
+#define set_convert_var(X) do { if(mode != MODE_CONVERT) {\
+       fprintf(stderr, _("please use option --%s after --convert option\n"),\
+                       long_options[option_index].name);\
+               exit(EXIT_FAILURE);\
+       } else\
+               X = optarg;\
+       } while(0)
+
 static void
 parse_command_line(int argc, char **argv)
 {
-       int i;
-
-       for( i = 1; i < argc; i++ ) {
-               if( !strcmp(argv[i], "--help") ) {
-                       show_usage();
-                       exit(1);
-               } else
-               if( !strcmp(argv[i], "--mutt-query") )
-                       mutt_query(argv[i + 1]);
-               else
-               if( !strcmp(argv[i], "--datafile") ) {
-                       if (argv[i+1]) {
-                               if (argv[i+1][0] != '/') {
-                                       char *cwd = my_getcwd();
-                                       datafile = strconcat(cwd, "/", argv[i+1], NULL);
-                                       free(cwd);
-                               } else {
-                                       datafile = strdup(argv[i+1]);
-                               }
-                               i++;
-                       } else {
+       int mode = MODE_CONT;
+       char *query_string = NULL;
+       char *informat = "abook",
+               *outformat = "text",
+               *infile = "-",
+               *outfile = "-";
+       int c;
+       selected_item_filter = select_output_item_filter("muttq");
+
+       for(;;) {
+               int option_index = 0;
+               enum {
+                       OPT_ADD_EMAIL,
+                       OPT_ADD_EMAIL_QUIET,
+                       OPT_MUTT_QUERY,
+                       OPT_CONVERT,
+                       OPT_INFORMAT,
+                       OPT_OUTFORMAT,
+                       OPT_OUTFORMAT_STR,
+                       OPT_INFILE,
+                       OPT_OUTFILE,
+                       OPT_FORMATS
+               };
+               static struct option long_options[] = {
+                       { "help", 0, 0, 'h' },
+                       { "add-email", 0, 0, OPT_ADD_EMAIL },
+                       { "add-email-quiet", 0, 0, OPT_ADD_EMAIL_QUIET },
+                       { "datafile", 1, 0, 'f' },
+                       { "mutt-query", 1, 0, OPT_MUTT_QUERY },
+                       { "config", 1, 0, 'C' },
+                       { "convert", 0, 0, OPT_CONVERT },
+                       { "informat", 1, 0, OPT_INFORMAT },
+                       { "outformat", 1, 0, OPT_OUTFORMAT },
+                       { "outformatstr", 1, 0, OPT_OUTFORMAT_STR },
+                       { "infile", 1, 0, OPT_INFILE },
+                       { "outfile", 1, 0, OPT_OUTFILE },
+                       { "formats", 0, 0, OPT_FORMATS },
+                       { 0, 0, 0, 0 }
+               };
+
+               c = getopt_long(argc, argv, "hC:f:",
+                               long_options, &option_index);
+
+               if(c == -1)
+                       break;
+
+               switch(c) {
+                       case 'h':
                                show_usage();
-                               exit(1);
-                       }
-               } else
-               if( !strcmp(argv[i], "--convert") ) {
-                       if( argc < 5 || argc > 6 ) {
-                               fprintf(stderr, "incorrect number of argumets to make conversion\n");
-                               fprintf(stderr, "try %s --help\n", argv[0]);
-                               exit(1);
-                       }
-                       if( argv[i+4] )
-                               convert(argv[i+1], argv[i+2],
-                                       argv[i+3], argv[i+4]);
-                       else
-                               convert(argv[i+1], argv[i+2], argv[i+3], "-");
-               } else {
-                       printf("option %s not recognized\n", argv[i]);
-                       printf("try %s --help\n", argv[0]);
-                       exit(1);
+                               exit(EXIT_SUCCESS);
+                       case OPT_ADD_EMAIL:
+                               change_mode(&mode, MODE_ADD_EMAIL);
+                               break;
+                       case OPT_ADD_EMAIL_QUIET:
+                               change_mode(&mode, MODE_ADD_EMAIL_QUIET);
+                               break;
+                       case 'f':
+                               set_filename(&datafile, optarg);
+                               alternative_datafile = TRUE;
+                               break;
+                       case OPT_MUTT_QUERY:
+                               query_string = optarg;
+                               change_mode(&mode, MODE_QUERY);
+                               break;
+                       case 'C':
+                               set_filename(&rcfile, optarg);
+                               alternative_rcfile = TRUE;
+                               break;
+                       case OPT_CONVERT:
+                               change_mode(&mode, MODE_CONVERT);
+                               break;
+                       case OPT_INFORMAT:
+                               set_convert_var(informat);
+                               break;
+                       case OPT_OUTFORMAT:
+                               if(mode != MODE_CONVERT && mode != MODE_QUERY) {
+                                 fprintf(stderr,
+                                         _("please use option --outformat after --convert or --mutt-query option\n"));
+                                 exit(EXIT_FAILURE);
+                               }
+                               // ascii-name is stored, it's used to traverse
+                               // e_filters[] in MODE_CONVERT (see export_file())
+                               outformat = optarg;
+                               // but in case a query-compatible filter is requested
+                               // try to guess right now which one it is, from u_filters[]
+                               selected_item_filter = select_output_item_filter(outformat);
+                               break;
+                       case OPT_OUTFORMAT_STR:
+                               strncpy(custom_format, optarg, FORMAT_STRING_LEN);
+                               custom_format[FORMAT_STRING_LEN - 1] = 0;
+                               break;
+                       case OPT_INFILE:
+                               set_convert_var(infile);
+                               break;
+                       case OPT_OUTFILE:
+                               set_convert_var(outfile);
+                               break;
+                       case OPT_FORMATS:
+                               print_filters();
+                               exit(EXIT_SUCCESS);
+                       default:
+                               exit(EXIT_FAILURE);
                }
        }
-}
 
+       // if the output format requested does not allow filtered querying
+       // (not in u_filter[]) and --convert has not been specified; bailout
+       if(! selected_item_filter.func && mode != MODE_CONVERT) {
+         printf("output format %s not supported or incompatible with --mutt-query\n", outformat);
+         exit(EXIT_FAILURE);
+       }
+       if(! selected_item_filter.func)
+               selected_item_filter = select_output_item_filter("muttq");
+       else if (! strcmp(outformat, "custom")) {
+               if(! *custom_format) {
+                       fprintf(stderr, _("Invalid custom format string\n"));
+                       exit(EXIT_FAILURE);
+               }
+       }
+       if(optind < argc) {
+               fprintf(stderr, _("%s: unrecognized arguments on command line\n"),
+                               argv[0]);
+               exit(EXIT_FAILURE);
+       }
 
-static void
-show_usage()
-{
-       puts    (PACKAGE " v " VERSION "\n");
-       puts    ("      --help                          show usage");
-       puts    ("      --datafile      <filename>      use an alternative addressbook file");
-       puts    ("      --mutt-query    <string>        make a query for mutt");
-       puts    ("      --convert       <inputformat> <inputfile> "
-                "<outputformat> <outputfile>");
-       putchar('\n');
-       puts    ("available formats for --convert option:");
-       print_filters();
-#ifdef DEBUG
-       puts    ("\nWarning: this version compiled with DEBUG flag ON");
-#endif
+       switch(mode) {
+               case MODE_ADD_EMAIL:
+                       add_email(0);
+               case MODE_ADD_EMAIL_QUIET:
+                       add_email(1);
+               case MODE_QUERY:
+                       mutt_query(query_string);
+               case MODE_CONVERT:
+                       convert(informat, infile, outformat, outfile);
+       }
 }
 
-extern list_item *database;
-extern int items;
 
 static void
-muttq_print_item(int item)
+show_usage()
 {
-       char emails[MAX_EMAILS][MAX_EMAIL_LEN];
-       int i;
-
-       split_emailstr(item, emails);
-       
-       for(i = 0; i < (options_get_int("mutt_return_all_emails") ?
-                       MAX_EMAILS : 1) ; i++)
-               if( *emails[i] )
-                       printf("%s\t%s\t%s\n", emails[i],
-                               database[item][NAME],
-                               database[item][NOTES] == NULL ? " " :
-                                       database[item][NOTES]
-                               );
+       puts    (PACKAGE " v" VERSION "\n");
+       puts    (_("     -h     --help                          show usage"));
+       puts    (_("     -C     --config        <file>          use an alternative configuration file"));
+       puts    (_("     -f     --datafile      <file>          use an alternative addressbook file"));
+       puts    (_("    --mutt-query    <string>        make a query for mutt"));
+       puts    (_("    --add-email                     "
+                       "read an e-mail message from stdin and\n"
+               "                                       "
+               "add the sender to the addressbook"));
+       puts    (_("    --add-email-quiet               "
+               "same as --add-email but doesn't\n"
+               "                                       require to confirm adding"));
+       putchar('\n');
+       puts    (_("    --convert                       convert address book files"));
+       puts    (_("    options to use with --convert:"));
+       puts    (_("    --informat      <format>        format for input file"));
+       puts    (_("                                    (default: abook)"));
+       puts    (_("    --infile        <file>          source file"));
+       puts    (_("                                    (default: stdin)"));
+       puts    (_("    --outformat     <format>        format for output file"));
+       puts    (_("                                    (default: text)"));
+       puts    (_("    --outfile       <file>          destination file"));
+       puts    (_("                                    (default: stdout)"));
+       puts    (_("    --outformatstr  <str>           format to use for \"custom\" --outformat"));
+       puts    (_("                                    (default: \"{nick} ({name}): {mobile}\")"));
+       puts    (_("    --formats                       list available formats"));
 }
 
-static int
-mutt_query_name(char *str)
-{
-       int i, j;
-       char *tmp;
-
-       for(i = 0, j = 0 ; i < items; i++) {
-               tmp = strdup(database[i][NAME]);
-               if( strstr( strupper(tmp), strupper(str) ) != NULL ) {
-                       if( !j )
-                               putchar('\n');
-                       muttq_print_item(i);
-                       j++;
-               }
-               free(tmp);
-       }
+/*
+ * end of CLI
+ */
 
-       return j;
-}
 
-static int
-mutt_query_email(char *str)
+static void
+quit_mutt_query(int status)
 {
-       int i, j, k;
-       char *tmp, emails[MAX_EMAILS][MAX_EMAIL_LEN];
-
-       for(i = 0, j = 0; i < items; i++) {
-               split_emailstr(i, emails);
-               for(k = 0; k < MAX_EMAILS; k++) {
-                       if( *emails[k] ) {
-                               tmp = strdup( emails[k] );
-                               if( strstr( strupper(tmp), strupper(str) ) != NULL ) {
-                                       if( !j )
-                                               putchar('\n');
-                                       j++;
-                                       if( options_get_int("mutt_return_all_emails") ) {
-                                               muttq_print_item(i);
-                                               free(tmp);
-                                               break;
-                                       } else
-                                               printf("%s\t%s\n", emails[k],
-                                                       database[i][NAME]);
-                               }
-                               free(tmp);
-                       }
-               }
-       }
+       close_database();
+       free_opts();
 
-       return j;
+       exit(status);
 }
 
 static void
 mutt_query(char *str)
 {
-       int i;
-       
        init_mutt_query();
 
        if( str == NULL || !strcasecmp(str, "all") ) {
-               printf("All items\n");
-               for(i = 0; i < items; i++)
-                       muttq_print_item(i);
+               export_file("muttq", "-");
        } else {
-               if( !mutt_query_name(str) && !mutt_query_email(str) ) {
+               int search_fields[] = {NAME, EMAIL, NICK, -1};
+               int i;
+               if( (i = find_item(str, 0, search_fields)) < 0 ) {
                        printf("Not found\n");
-                       quit_mutt_query(1);
+                       quit_mutt_query(EXIT_FAILURE);
+               }
+               // mutt expects a leading line containing
+               // a message about the query.
+               // Others output filter supporting query (vcard, custom)
+               // don't needs this.
+               if(!strcmp(selected_item_filter.filtname, "muttq"))
+                       putchar('\n');
+               while(i >= 0) {
+                       e_write_item(stdout, i, selected_item_filter.func);
+                       i = find_item(str, i + 1, search_fields);
                }
        }
 
-       quit_mutt_query(0);
+       quit_mutt_query(EXIT_SUCCESS);
 }
 
 static void
 init_mutt_query()
 {
        set_filenames();
-       init_options();
-       
+       init_opts();
+       load_opts(rcfile);
+
        if( load_database(datafile) ) {
-               printf("Cannot open database\n");
-               quit_mutt_query(1);
-               exit(1);
+               printf(_("Cannot open database\n"));
+               quit_mutt_query(EXIT_FAILURE);
+               exit(EXIT_FAILURE);
        }
 }
 
-static void
-quit_mutt_query(int status)
+
+static char *
+make_mailstr(int item)
 {
-       close_database();
-       close_config();
+       char email[MAX_EMAIL_LEN];
+       char *ret;
+       char *name = strdup_printf("\"%s\"", db_name_get(item));
 
-       exit(status);
+       get_first_email(email, item);
+
+       ret = *email ?
+               strdup_printf("%s <%s>", name, email) :
+               xstrdup(name);
+
+       free(name);
+
+       return ret;
 }
 
+void
+print_stderr(int item)
+{
+       fprintf (stderr, "%c", '\n');
+
+       if( is_valid_item(item) )
+               muttq_print_item(stderr, item);
+       else {
+               struct db_enumerator e = init_db_enumerator(ENUM_SELECTED);
+               db_enumerate_items(e) {
+                       muttq_print_item(stderr, e.item);
+               }
+       }
+
+}
 
 void
-launch_mutt()
+launch_mutt(int item)
 {
-       int i;
-       char email[MAX_EMAIL_LEN];
-       char *cmd;
-       char *tmp = options_get_str("mutt_command");
+       char *cmd = NULL, *mailstr = NULL;
+       char *mutt_command = opt_get_str(STR_MUTT_COMMAND);
 
-       if( list_is_empty() )
+       if(mutt_command == NULL || !*mutt_command)
                return;
 
-       cmd = strconcat(tmp, " '", NULL );
-
-       for(i=0; i < items; i++) {
-               if( ! is_selected(i) && i != list_current_item() )
-                       continue;
-               get_first_email(email, i);
-               tmp = mkstr("%s \"%s\"", cmd, database[i][NAME]);
-               my_free(cmd);
-               if( *database[i][EMAIL] ) {
-                       cmd = mkstr("%s <%s>", tmp, email);
+       if( is_valid_item(item) )
+               mailstr = make_mailstr(item);
+       else {
+               struct db_enumerator e = init_db_enumerator(ENUM_SELECTED);
+               char *tmp = NULL;
+               db_enumerate_items(e) {
+                       tmp = mailstr;
+                       mailstr = tmp ?
+                               strconcat(tmp, ",", make_mailstr(e.item), NULL):
+                               strconcat(make_mailstr(e.item), NULL);
                        free(tmp);
-                       tmp = cmd;
                }
-               cmd = strconcat(tmp, " ", NULL);
-               free(tmp);
        }
 
-       tmp = mkstr("%s%c", cmd, '\'');
-       free(cmd);
-       cmd = tmp;
+       cmd = strconcat(mutt_command, " \'", mailstr, "\'", NULL);
+       free(mailstr);
 #ifdef DEBUG
        fprintf(stderr, "cmd: %s\n", cmd);
 #endif
-       system(cmd);    
-
+       system(cmd);
        free(cmd);
-       refresh_screen();
+
+       /*
+        * we need to make sure that curses settings are correct
+        */
+       ui_init_curses();
 }
 
 void
-launch_lynx()
+launch_wwwbrowser(int item)
 {
        char *cmd = NULL;
 
-       if( list_is_empty() )
+       if( !is_valid_item(item) )
                return;
 
-       if( database[list_current_item()][URL] )
-               cmd = mkstr("%s '%s'",
-                               options_get_str("www_command"),
-                               safe_str(database[list_current_item()][URL]));
+       if(db_fget(item, URL))
+               cmd = strdup_printf("%s '%s'",
+                               opt_get_str(STR_WWW_COMMAND),
+                               safe_str(db_fget(item, URL)));
        else
                return;
 
@@ -378,57 +617,28 @@ launch_lynx()
                system(cmd);
 
        free(cmd);
-       refresh_screen();
-}
-
-void *
-abook_malloc(size_t size)
-{
-       void *ptr;
-
-       if ( (ptr = malloc(size)) == NULL ) {
-               if( is_ui_initialized() )
-                       quit_abook();
-               perror("malloc() failed");
-               exit(1);
-       }
-
-       return ptr;
-}
-
-void *
-abook_realloc(void *ptr, size_t size)
-{
-       ptr = realloc(ptr, size);
-
-       if( size == 0 )
-               return NULL;
 
-       if( ptr == NULL ) {
-               if( is_ui_initialized() )
-                       quit_abook();
-               perror("realloc() failed");
-               exit(1);
-       }
-
-       return ptr;
+       /*
+        * we need to make sure that curses settings are correct
+        */
+       ui_init_curses();
 }
 
 FILE *
 abook_fopen (const char *path, const char *mode)
-{      
+{
        struct stat s;
-       
-       if( ! strchr(mode, 'r') )
-               return fopen(path, mode);
-       
-       if ( (stat(path, &s)) == -1 )
-               return NULL;
-       
-       return S_ISREG(s.st_mode) ? fopen(path, mode) : NULL;
-}
+       bool stat_ok;
 
+       stat_ok = (stat(path, &s) != -1);
 
+       if(strchr(mode, 'r'))
+               return (stat_ok && S_ISREG(s.st_mode)) ?
+                       fopen(path, mode) : NULL;
+       else
+               return (stat_ok && S_ISDIR(s.st_mode)) ?
+                       NULL : fopen(path, mode);
+}
 
 static void
 convert(char *srcformat, char *srcfile, char *dstformat, char *dstfile)
@@ -436,47 +646,182 @@ convert(char *srcformat, char *srcfile, char *dstformat, char *dstfile)
        int ret=0;
 
        if( !srcformat || !srcfile || !dstformat || !dstfile ) {
-               fprintf(stderr, "too few argumets to make conversion\n");
-               fprintf(stderr, "try --help\n");
+               fprintf(stderr, _("too few arguments to make conversion\n"));
+               fprintf(stderr, _("try --help\n"));
        }
 
-       strlower(srcformat);
-       strlower(dstformat);
-
-       if( !strcmp(srcformat, dstformat) ) {
-               printf( "input and output formats are the same\n"
-                       "exiting...\n");
-               exit(1);
+#ifndef DEBUG
+       if( !strcasecmp(srcformat, dstformat) ) {
+               printf( _("input and output formats are the same\n"
+                       "exiting...\n"));
+               exit(EXIT_FAILURE);
        }
+#endif
 
        set_filenames();
-       init_options();
+       init_opts();
+       load_opts(rcfile);
+       init_standard_fields();
 
-       switch( import(srcformat, srcfile) ) {
+       switch(import_file(srcformat, srcfile)) {
                case -1:
-                       printf("input format %s not supported\n", srcformat);
+                       fprintf(stderr,
+                               _("input format %s not supported\n"), srcformat);
                        ret = 1;
+                       break;
                case 1:
-                       printf("cannot read file %s\n", srcfile);
+                       fprintf(stderr, _("cannot read file %s\n"), srcfile);
                        ret = 1;
+                       break;
        }
 
        if(!ret)
-               switch( export(dstformat, dstfile) ) {
+               switch(export_file(dstformat, dstfile)) {
                        case -1:
-                               printf("output format %s not supported\n",
-                                               dstformat);
+                               fprintf(stderr,
+                                       _("output format %s not supported\n"),
+                                       dstformat);
                                ret = 1;
                                break;
                        case 1:
-                               printf("cannot write file %s\n", dstfile);
+                               fprintf(stderr,
+                                       _("cannot write file %s\n"), dstfile);
                                ret = 1;
                                break;
                }
 
        close_database();
-       close_config();
+       free_opts();
        exit(ret);
 }
 
+/*
+ * --add-email handling
+ */
+
+static int add_email_count = 0, add_email_found = 0;
+
+static void
+quit_add_email()
+{
+       if(add_email_count > 0) {
+               if(save_database() < 0) {
+                       fprintf(stderr, _("cannot open %s\n"), datafile);
+                       exit(EXIT_FAILURE);
+               }
+               printf(_("%d item(s) added to %s\n"), add_email_count, datafile);
+       } else if (add_email_found == 0) {
+               puts(_("Valid sender address not found"));
+       }
+
+       exit(EXIT_SUCCESS);
+}
+
+static void
+quit_add_email_sig(int signal)
+{
+       quit_add_email();
+}
+
+static void
+init_add_email()
+{
+       set_filenames();
+       check_abook_directory();
+       init_opts();
+       load_opts(rcfile);
+       init_standard_fields();
+       atexit(free_opts);
+
+       /*
+        * we don't actually care if loading fails or not
+        */
+       load_database(datafile);
+
+       atexit(close_database);
+
+       signal(SIGINT, quit_add_email_sig);
+}
+
+static int
+add_email_add_item(int quiet, char *name, char *email)
+{
+       list_item item;
+
+       if(opt_get_bool(BOOL_ADD_EMAIL_PREVENT_DUPLICATES)) {
+               int search_fields[] = { EMAIL, -1 };
+               if(find_item(email, 0, search_fields) >= 0) {
+                       if(!quiet)
+                               printf(_("Address %s already in addressbook\n"),
+                                               email);
+                       return 0;
+               }
+       }
+
+       if(!quiet) {
+               FILE *in = fopen("/dev/tty", "r");
+               char c;
+               if(!in) {
+                       fprintf(stderr, _("cannot open /dev/tty\n"
+                               "you may want to use --add-email-quiet\n"));
+                       exit(EXIT_FAILURE);
+               }
+
+               do {
+                       printf(_("Add \"%s <%s>\" to %s? (%c/%c)\n"),
+                                       name,
+                                       email,
+                                       datafile,
+                                       *S_("keybinding for yes|y"),
+                                       *S_("keybinding for no|n"));
+                       c = tolower(getc(in));
+                       if(c == *S_("keybinding for no|n")) {
+                               fclose(in);
+                               return 0;
+                       }
+               } while(c != *S_("keybinding for yes|y"));
+               fclose(in);
+       }
+
+       item = item_create();
+       item_fput(item, NAME, xstrdup(name));
+       item_fput(item, EMAIL, xstrdup(email));
+       add_item2database(item);
+       item_free(&item);
+
+       return 1;
+}
+
+static void
+add_email(int quiet)
+{
+       char *line;
+       char *name = NULL, *email = NULL;
+       struct stat s;
+
+       if( (fstat(fileno(stdin), &s)) == -1 || S_ISDIR(s.st_mode) ) {
+               fprintf(stderr, _("stdin is a directory or cannot stat stdin\n"));
+               exit(EXIT_FAILURE);
+       }
+
+       init_add_email();
+
+       do {
+               line = getaline(stdin);
+               if(line && !strncasecmp("From:", line, 5) ) {
+                       add_email_found++;
+                       getname(line, &name, &email);
+                       add_email_count += add_email_add_item(quiet,
+                                       name, email);
+                       xfree(name);
+                       xfree(email);
+               }
+               xfree(line);
+       } while( !feof(stdin) );
 
+       quit_add_email();
+}
+
+/*
+ * end of --add-email handling
+ */