diff options
Diffstat (limited to 'src/cfg_file.l')
| -rw-r--r-- | src/cfg_file.l | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/cfg_file.l b/src/cfg_file.l new file mode 100644 index 000000000..fefd11237 --- /dev/null +++ b/src/cfg_file.l @@ -0,0 +1,134 @@ +%x incl +%x module + +%{ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <syslog.h> +#include "cfg_file.h" +#include "cfg_yacc.h" + +#define MAX_INCLUDE_DEPTH 10 +YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; +int include_stack_ptr = 0; +extern struct config_file *cfg; + +%} + +%option noyywrap +%option yylineno + +%% +^[ \t]*#.* /* ignore comments */; +.include BEGIN(incl); +.module BEGIN(module); +composites return COMPOSITES; +tempdir return TEMPDIR; +pidfile return PIDFILE; +workers return WORKERS; +error_time return ERROR_TIME; +dead_time return DEAD_TIME; +maxerrors return MAXERRORS; +reconnect_timeout return RECONNECT_TIMEOUT; +connect_timeout return CONNECT_TIMEOUT; +protocol return PROTOCOL; +memcached return MEMCACHED; +bind_socket return BINDSOCK; +servers return SERVERS; +require return REQUIRE; +header_filters return HEADER_FILTERS; +mime_filters return MIME_FILTERS; +message_filters return MESSAGE_FILTERS; +url_filters return URL_FILTERS; +factors return FACTORS; +metric return METRIC; +name return NAME; +required_score return REQUIRED_SCORE; +function return FUNCTION; +control return CONTROL; +password return PASSWORD; +logging return LOGGING; + +log_type return LOG_TYPE; +console return LOG_TYPE_CONSOLE; +syslog return LOG_TYPE_SYSLOG; +file return LOG_TYPE_FILE; + +log_level return LOG_LEVEL; +DEBUG return LOG_LEVEL_DEBUG; +INFO return LOG_LEVEL_INFO; +WARNING return LOG_LEVEL_WARNING; +ERROR return LOG_LEVEL_ERROR; +log_facility return LOG_FACILITY; +log_file return LOG_FILENAME; + +\{ return OBRACE; +\} return EBRACE; +; return SEMICOLON; +, return COMMA; += return EQSIGN; +yes|YES|no|NO|[yY]|[nN] yylval.flag=parse_flag(yytext); return FLAG; +\n /* ignore EOL */; +[ \t]+ /* ignore whitespace */; +\"[^"]+\" yylval.string=strdup(yytext + 1); yylval.string[strlen(yylval.string) - 1] = '\0'; return QUOTEDSTRING; +\" return QUOTE; +\$[a-zA-Z_][a-zA-Z0-9_]+ yylval.string=strdup(yytext + 1); return VARIABLE; +[0-9]+ yylval.number=strtol(yytext, NULL, 10); return NUMBER; +-?[0-9]+\.?[0-9]* yylval.fract=strtod(yytext, NULL); return FRACT; +[0-9]+[kKmMgG]? yylval.limit=parse_limit(yytext); return SIZELIMIT; +[0-9]+[sS]|[0-9]+[mM][sS] yylval.seconds=parse_seconds(yytext); return SECONDS; +[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} yylval.string=strdup(yytext); return IPADDR; +[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\/[0-9]{1,2} yylval.string=strdup(yytext); return IPNETWORK; +[a-zA-Z0-9.-]+:[0-9]{1,5} yylval.string=strdup(yytext); return HOSTPORT; +[a-zA-Z<][a-zA-Z@+>_-]* yylval.string=strdup(yytext); return STRING; +\/[^/\n]+\/ yylval.string=strdup(yytext); return REGEXP; +[a-zA-Z0-9].[a-zA-Z0-9\/.-]+ yylval.string=strdup(yytext); return DOMAIN; +<incl>[ \t]* /* eat the whitespace */ +<incl>[^ \t\n]+ { /* got the include file name */ + if (include_stack_ptr >= MAX_INCLUDE_DEPTH) { + yyerror ("yylex: includes nested too deeply"); + return -1; + } + + include_stack[include_stack_ptr++] = + YY_CURRENT_BUFFER; + + yyin = fopen (yytext, "r"); + + if (! yyin) { + yyerror ("yylex: cannot open include file"); + return -1; + } + + yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); + + BEGIN(INITIAL); + } + +<<EOF>> { + if ( --include_stack_ptr < 0 ) { + post_load_config (cfg); + yyterminate (); + } + else { + yy_delete_buffer (YY_CURRENT_BUFFER); + yy_switch_to_buffer (include_stack[include_stack_ptr]); + } + } + +<module>\n /* ignore EOL */; +<module>[ \t]+ /* ignore whitespace */; +<module>\'[a-zA-Z0-9_-]\' yylval.string=strdup(yytext + 1); yylval.string[strlen(yylval.string) - 1] = '\0'; return MODULE_OPT; +<module>\{ return OBRACE; +<module>\} return EBRACE; +<module>\; return SEMICOLON; +<module>[a-zA-Z0-9_-] yylval.string=strdup(yytext); return PARAM; +<module>\$[a-zA-Z_][a-zA-Z0-9_]+ yylval.string=strdup(yytext + 1); return VARIABLE; +<module>\"[^"]+\" yylval.string=strdup(yytext + 1); yylval.string[strlen(yylval.string) - 1] = '\0'; return QUOTEDSTRING; + +%% +/* + * vi:ts=4 + */ |