85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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* Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef WEECHAT_EVAL_H
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#define WEECHAT_EVAL_H
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#include <regex.h>
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#define EVAL_STR_FALSE "0"
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#define EVAL_STR_TRUE "1"
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#define EVAL_DEFAULT_PREFIX "${"
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#define EVAL_DEFAULT_SUFFIX "}"
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#define EVAL_RECURSION_MAX 32
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struct t_hashtable;
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enum t_eval_logical_op
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{
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EVAL_LOGICAL_OP_OR = 0,
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EVAL_LOGICAL_OP_AND,
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/* number of comparison strings */
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EVAL_NUM_LOGICAL_OPS,
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};
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enum t_eval_comparison
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{
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EVAL_COMPARE_REGEX_MATCHING = 0,
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EVAL_COMPARE_REGEX_NOT_MATCHING,
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EVAL_COMPARE_STRING_MATCHING,
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EVAL_COMPARE_STRING_NOT_MATCHING,
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EVAL_COMPARE_EQUAL,
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EVAL_COMPARE_NOT_EQUAL,
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EVAL_COMPARE_LESS_EQUAL,
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EVAL_COMPARE_LESS,
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EVAL_COMPARE_GREATER_EQUAL,
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EVAL_COMPARE_GREATER,
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/* number of comparison strings */
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EVAL_NUM_COMPARISONS,
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};
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struct t_eval_regex
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{
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const char *result;
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regmatch_t match[100];
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int last_match;
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};
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struct t_eval_context
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{
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struct t_hashtable *pointers;
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struct t_hashtable *extra_vars;
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int extra_vars_eval;
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const char *prefix;
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const char *suffix;
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struct t_eval_regex *regex;
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int recursion_count;
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char **debug;
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};
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extern int eval_is_true (const char *value);
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extern char *eval_expression (const char *expr,
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struct t_hashtable *pointers,
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struct t_hashtable *extra_vars,
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struct t_hashtable *options);
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#endif /* WEECHAT_EVAL_H */
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