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author | Perberos <[email protected]> | 2011-12-01 22:49:12 -0300 |
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committer | Perberos <[email protected]> | 2011-12-01 22:49:12 -0300 |
commit | 781b0ff3f74abd6f5353b6d08763bbba93f2f21c (patch) | |
tree | 20c130b413586219356ec360efb5918a498cee69 /intl/eval-plural.h | |
download | mate-notification-daemon-781b0ff3f74abd6f5353b6d08763bbba93f2f21c.tar.bz2 mate-notification-daemon-781b0ff3f74abd6f5353b6d08763bbba93f2f21c.tar.xz |
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'intl/eval-plural.h')
-rw-r--r-- | intl/eval-plural.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/intl/eval-plural.h b/intl/eval-plural.h new file mode 100644 index 0000000..12d2326 --- /dev/null +++ b/intl/eval-plural.h @@ -0,0 +1,105 @@ +/* Plural expression evaluation. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifndef STATIC +#define STATIC static +#endif + +/* Evaluate the plural expression and return an index value. */ +STATIC unsigned long int plural_eval PARAMS ((struct expression *pexp, + unsigned long int n)) + internal_function; + +STATIC +unsigned long int +internal_function +plural_eval (pexp, n) + struct expression *pexp; + unsigned long int n; +{ + switch (pexp->nargs) + { + case 0: + switch (pexp->operation) + { + case var: + return n; + case num: + return pexp->val.num; + default: + break; + } + /* NOTREACHED */ + break; + case 1: + { + /* pexp->operation must be lnot. */ + unsigned long int arg = plural_eval (pexp->val.args[0], n); + return ! arg; + } + case 2: + { + unsigned long int leftarg = plural_eval (pexp->val.args[0], n); + if (pexp->operation == lor) + return leftarg || plural_eval (pexp->val.args[1], n); + else if (pexp->operation == land) + return leftarg && plural_eval (pexp->val.args[1], n); + else + { + unsigned long int rightarg = plural_eval (pexp->val.args[1], n); + + switch (pexp->operation) + { + case mult: + return leftarg * rightarg; + case divide: + return leftarg / rightarg; + case module: + return leftarg % rightarg; + case plus: + return leftarg + rightarg; + case minus: + return leftarg - rightarg; + case less_than: + return leftarg < rightarg; + case greater_than: + return leftarg > rightarg; + case less_or_equal: + return leftarg <= rightarg; + case greater_or_equal: + return leftarg >= rightarg; + case equal: + return leftarg == rightarg; + case not_equal: + return leftarg != rightarg; + default: + break; + } + } + /* NOTREACHED */ + break; + } + case 3: + { + /* pexp->operation must be qmop. */ + unsigned long int boolarg = plural_eval (pexp->val.args[0], n); + return plural_eval (pexp->val.args[boolarg ? 1 : 2], n); + } + } + /* NOTREACHED */ + return 0; +} |