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Diffstat (limited to 'common/yesno.c')
| -rw-r--r-- | common/yesno.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/common/yesno.c b/common/yesno.c new file mode 100644 index 0000000..ebe8d82 --- /dev/null +++ b/common/yesno.c @@ -0,0 +1,150 @@ +/* yesno.c - Yes/No questions + * Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. + * + * This file is part of GnuPG. + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of either + * + * - the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 3 of the License, or (at + * your option) any later version. + * + * or + * + * - the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * or both in parallel, as here. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <stdlib.h> +#include <errno.h> + +#include "i18n.h" +#include "util.h" + + +/* Check the string S for a YES or NO answer and take care of + localization. If no valid string is given the value of DEF_ANSWER + is returned. Returns 1 for yes and 0 for no. */ +int +answer_is_yes_no_default (const char *s, int def_answer) +{ + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_yes = _("yes"); + const char *short_yes = _("yY"); + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_no = _("no"); + const char *short_no = _("nN"); + + /* Note: we have to use the local dependent compare here. */ + if ( match_multistr(long_yes,s) ) + return 1; + if ( *s && strchr( short_yes, *s ) && !s[1] ) + return 1; + /* Test for "no" strings to catch ambiguities for the next test. */ + if ( match_multistr(long_no,s) ) + return 0; + if ( *s && strchr( short_no, *s ) && !s[1] ) + return 0; + /* Test for the english version (for those who are used to type yes). */ + if ( !ascii_strcasecmp(s, "yes" ) ) + return 1; + if ( *s && strchr( "yY", *s ) && !s[1] ) + return 1; + return def_answer; +} + +int +answer_is_yes ( const char *s ) +{ + return answer_is_yes_no_default(s,0); +} + +/**************** + * Return 1 for yes, -1 for quit, or 0 for no + */ +int +answer_is_yes_no_quit ( const char *s ) +{ + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_yes = _("yes"); + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_no = _("no"); + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_quit = _("quit"); + const char *short_yes = _("yY"); + const char *short_no = _("nN"); + const char *short_quit = _("qQ"); + + /* Note: we have to use a local dependent compare here. */ + if ( match_multistr(long_no,s) ) + return 0; + if ( match_multistr(long_yes,s) ) + return 1; + if ( match_multistr(long_quit,s) ) + return -1; + if ( *s && strchr( short_no, *s ) && !s[1] ) + return 0; + if ( *s && strchr( short_yes, *s ) && !s[1] ) + return 1; + if ( *s && strchr( short_quit, *s ) && !s[1] ) + return -1; + /* but not here. */ + if ( !ascii_strcasecmp(s, "yes" ) ) + return 1; + if ( !ascii_strcasecmp(s, "quit" ) ) + return -1; + if ( *s && strchr( "yY", *s ) && !s[1] ) + return 1; + if ( *s && strchr( "qQ", *s ) && !s[1] ) + return -1; + return 0; +} + +/* + Return 1 for okay, 0 for cancel or DEF_ANSWER for default. + */ +int +answer_is_okay_cancel (const char *s, int def_answer) +{ + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_okay = _("okay|okay"); + /* TRANSLATORS: See doc/TRANSLATE about this string. */ + const char *long_cancel = _("cancel|cancel"); + const char *short_okay = _("oO"); + const char *short_cancel = _("cC"); + + /* Note: We have to use the locale dependent compare. */ + if ( match_multistr(long_okay,s) ) + return 1; + if ( match_multistr(long_cancel,s) ) + return 0; + if ( *s && strchr( short_okay, *s ) && !s[1] ) + return 1; + if ( *s && strchr( short_cancel, *s ) && !s[1] ) + return 0; + /* Always test for the English values (not locale here). */ + if ( !ascii_strcasecmp(s, "okay" ) ) + return 1; + if ( !ascii_strcasecmp(s, "ok" ) ) + return 1; + if ( !ascii_strcasecmp(s, "cancel" ) ) + return 0; + if ( *s && strchr( "oO", *s ) && !s[1] ) + return 1; + if ( *s && strchr( "cC", *s ) && !s[1] ) + return 0; + return def_answer; +} |