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plat/diameter/extensions/sh_app/ta_conf.l

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+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
+*													 *
+* Copyright (c) 2013, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * Redistributions in binary form must reproduce the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer in the documentation and/or other						 *
+*   materials provided with the distribution.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
+*********************************************************************************************************/
+
+/* Lex extension's configuration parser.
+ *
+ * The configuration file contains a default priority, and a list of peers with optional overwite priority.
+ * -- see the app_test.conf.sample file for more detail.
+ */
+
+%{
+#include "test_app.h"
+/* Include yacc tokens definitions */
+#include "ta_conf.tab.h"
+
+/* Update the column information */
+#define YY_USER_ACTION { 						\
+	yylloc->first_column = yylloc->last_column + 1; 		\
+	yylloc->last_column = yylloc->first_column + yyleng - 1;	\
+}
+
+/* Avoid warning with newer flex */
+#define YY_NO_INPUT
+
+%}
+
+%option bison-bridge bison-locations
+%option noyywrap
+%option nounput
+
+%%
+
+	/* Update the line count */
+\n			{
+				yylloc->first_line++; 
+				yylloc->last_line++; 
+				yylloc->last_column=0; 
+			}
+	 
+	/* Eat all spaces but not new lines */
+([[:space:]]{-}[\n])+	;
+	/* Eat all comments */
+#.*$			;
+
+	/* Recognize any integer */
+[-]?[[:digit:]]+		{
+				/* Convert this to an integer value */
+				int ret=0;
+				ret = sscanf(yytext, "%i", &yylval->integer);
+				if (ret != 1) {
+					/* No matching: an error occurred */
+					fd_log_debug("Unable to convert the value '%s' to a valid number: %s", yytext, strerror(errno));
+					return LEX_ERROR; /* trig an error in yacc parser */
+					/* Maybe we could REJECT instead of failing here? */
+				}
+				return INTEGER;
+			}
+
+	/* Recognize quoted strings -- we do not support escaped \" in the string currently. */
+\"[^\"]+\"		{
+				/* Match a quoted string. Let's be very permissive. */
+				yylval->string = strdup(yytext+1);
+				if (!yylval->string) {
+					fd_log_debug("Unable to copy the string '%s': %s", yytext, strerror(errno));
+					TRACE_DEBUG(INFO, "strdup failed");
+					return LEX_ERROR; /* trig an error in yacc parser */
+				}
+				yylval->string[strlen(yytext) - 2] = '\0';
+				return QSTRING;
+			}
+			
+	/* Recognize the tokens */	
+(?i:"vendor-id")	{
+				return VENDOR_ID;
+			}
+
+(?i:"appli-id")		{
+				return APPLI_ID;
+			}
+
+(?i:"cmd-id")		{
+				return CMD_ID;
+			}
+
+(?i:"avp-id")		{
+				return AVP_ID;
+			}
+
+(?i:"long-avp-id")	{
+				return LONG_AVP_ID;
+			}
+
+(?i:"long-avp-len")	{
+				return LONG_AVP_LEN;
+			}
+
+(?i:"mode")		{
+				return MODE;
+			}
+
+(?i:"server")		{
+				yylval->integer = MODE_SERV;
+				return INTEGER;
+			}
+
+(?i:"client")		{
+				yylval->integer = MODE_CLI;
+				return INTEGER;
+			}
+
+(?i:"both")		{
+				yylval->integer = MODE_SERV | MODE_CLI;
+				return INTEGER;
+			}
+
+(?i:"dest-realm")	{
+				return DEST_REALM;
+			}
+
+(?i:"dest-host")	{
+				return DEST_HOST;
+			}
+
+(?i:"user-name")	{
+				return USER_NAME;
+			}
+
+(?i:"Signal")		{
+				return SIGNAL;
+			}
+
+(?i:"Benchmark")	{
+				return BENCH;
+			}
+
+			
+	/* Valid single characters for yyparse */
+[=;]			{ return yytext[0]; }
+
+	/* Unrecognized sequence, if it did not match any previous pattern */
+[^[:space:]"*=>;\n]+	{ 
+				fd_log_debug("Unrecognized text on line %d col %d: '%s'.", yylloc->first_line, yylloc->first_column, yytext);
+			 	return LEX_ERROR; 
+			}
+
+%%