mirror of https://github.com/tstack/lnav.git
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/**
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* Copyright (c) 2018, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <string.h>
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#include "log_level.hh"
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log_level_t string2level(const char *levelstr, ssize_t len, bool exact)
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{
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log_level_t retval = LEVEL_UNKNOWN;
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if (len == (ssize_t)-1) {
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len = strlen(levelstr);
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}
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if (((len == 1) || ((len > 1) && (levelstr[1] == ' '))) &&
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(retval = abbrev2level(levelstr, 1)) != LEVEL_UNKNOWN) {
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return retval;
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}
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# define YYCTYPE unsigned char
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# define RET(tok) { \
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return tok; \
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}
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const YYCTYPE *YYCURSOR = (const unsigned char *) levelstr;
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const YYCTYPE *YYLIMIT = (const unsigned char *) levelstr + len;
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const YYCTYPE *YYMARKER = YYCURSOR;
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const YYCTYPE *debug_level = nullptr;
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# define YYPEEK() (YYCURSOR < YYLIMIT ? *YYCURSOR : 0)
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# define YYSKIP() ++YYCURSOR
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# define YYBACKUP() YYMARKER = YYCURSOR
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# define YYRESTORE() YYCURSOR = YYMARKER
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# define YYSTAGP(x) x = YYCURSOR - 1
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/*!stags:re2c format = 'const unsigned char *@@;'; */
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loop:
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/*!re2c
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re2c:yyfill:enable = 0;
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re2c:flags:input = custom;
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EOF = "\x00";
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EOF { RET(LEVEL_UNKNOWN); }
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'trace' { RET(LEVEL_TRACE); }
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'debug' [2-5]? @debug_level {
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if (debug_level == nullptr) {
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RET(LEVEL_DEBUG);
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}
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switch (*debug_level) {
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case '2':
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RET(LEVEL_DEBUG2);
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case '3':
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RET(LEVEL_DEBUG3);
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case '4':
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RET(LEVEL_DEBUG4);
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case '5':
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RET(LEVEL_DEBUG5);
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default:
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RET(LEVEL_DEBUG);
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}
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}
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'info' { RET(LEVEL_INFO); }
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'notice' { RET(LEVEL_NOTICE); }
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'stats' { RET(LEVEL_STATS); }
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'warn'|'warning' { RET(LEVEL_WARNING); }
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'err'|'error' { RET(LEVEL_ERROR); }
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'critical' { RET(LEVEL_CRITICAL); }
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'severe' { RET(LEVEL_CRITICAL); }
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'fatal' { RET(LEVEL_FATAL); }
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* { goto loop; }
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*/
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}
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