mirror of
https://github.com/weechat/weechat.git
synced 2026-06-27 13:26:38 +02:00
Sébastien Helleu
111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
/*
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* Copyright (C) 2012-2024 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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#define EVAL_RANGE_DIGIT "0123456789"
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#define EVAL_RANGE_XDIGIT EVAL_RANGE_DIGIT "abcdefABCDEF"
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#define EVAL_RANGE_LOWER "abcdefghijklmnopqrstuvwxyz"
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#define EVAL_RANGE_UPPER "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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#define EVAL_RANGE_ALPHA EVAL_RANGE_LOWER EVAL_RANGE_UPPER
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#define EVAL_RANGE_ALNUM EVAL_RANGE_ALPHA EVAL_RANGE_DIGIT
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#define EVAL_SYNTAX_HL_MARKER "\xef\xbf\xbf\xef\xbf\xbf"
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#define EVAL_SYNTAX_HL_INC (EVAL_SYNTAX_HL_MARKER "+")
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#define EVAL_SYNTAX_HL_DEC (EVAL_SYNTAX_HL_MARKER "-")
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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_CASE_SENSITIVE,
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EVAL_COMPARE_STRING_NOT_MATCHING_CASE_SENSITIVE,
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EVAL_COMPARE_STRING_MATCHING,
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EVAL_COMPARE_STRING_NOT_MATCHING,
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EVAL_COMPARE_INCLUDE_CASE_SENSITIVE,
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EVAL_COMPARE_NOT_INCLUDE_CASE_SENSITIVE,
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EVAL_COMPARE_INCLUDE,
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EVAL_COMPARE_NOT_INCLUDE,
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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; /* pointers used in eval */
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struct t_hashtable *extra_vars; /* extra variables used in eval */
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struct t_hashtable *user_vars; /* user-defined variables */
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int extra_vars_eval; /* 1 if extra vars must be evaluated */
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const char *prefix; /* prefix (default is "${") */
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int length_prefix; /* length of prefix */
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const char *suffix; /* suffix (default is "}") */
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int length_suffix; /* length of suffix */
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struct t_eval_regex *regex; /* in case of replace with regex */
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int regex_replacement_index; /* replacement index (≥ 1) */
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int recursion_count; /* to prevent infinite recursion */
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int syntax_highlight; /* syntax highlight: ${raw_hl:...} */
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/* or ${hl:...} */
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int debug_level; /* 0: no debug, 1: debug, 2: extra */
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int debug_depth; /* used for debug indentation */
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int debug_id; /* operation id in debug output */
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char **debug_output; /* string with debug output */
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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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