[SR-Dev] git:andrei/script_vars: script parsing: support for breaking strings

Module: sip-router Branch: andrei/script_vars Commit: 070afdb2165a076fdaa3bded72a1ca5b6c8c18f6 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=070afdb… Author: Andrei Pelinescu-Onciul &lt;andrei(a)iptel.org&gt; Committer: Andrei Pelinescu-Onciul &lt;andrei(a)iptel.org&gt; Date: Thu Dec 11 19:39:40 2008 +0100 script parsing: support for breaking strings - strings can now be split 'C' style (e.g. "foo_bar" is equivalent with "foo" "_" "bar"). Whitespace and new lines are allowed in-between. --- cfg.lex | 27 +++++++++++++++++++++------ 1 files changed, 21 insertions(+), 6 deletions(-) diff --git a/cfg.lex b/cfg.lex index 319445d..7578837 100644 --- a/cfg.lex +++ b/cfg.lex @@ -76,6 +76,7 @@ * LINGER2, KEEPALIVE, KEEPIDLE, KEEPINTVL, KEEPCNT} (andrei) * 2008-01-24 added CFG_DESCRIPTION used by cfg_var (Miklos) * 2008-11-28 added support for kamailio pvars and avp/pvar guessing (andrei) + * 2008-12-11 added support for "string1" "string2" (andrei) */ @@ -101,6 +102,7 @@ #define AVP_PVAR_S 6 /* avp or pvar */ #define PVAR_P_S 7 /* pvar: $(...) or $foo(...)*/ #define PVARID_S 8 /* $foo.bar...*/ + #define STR_BETWEEN_S 9 #define STR_BUF_ALLOC_UNIT 128 struct str_buf{ @@ -126,7 +128,8 @@ %} /* start conditions */ -%x STRING1 STRING2 COMMENT COMMENT_LN ATTR SELECT AVP_PVAR PVAR_P PVARID +%x STRING1 STRING2 STR_BETWEEN COMMENT COMMENT_LN ATTR SELECT AVP_PVAR PVAR_P +%x PVARID /* config script types : #!SER or #!KAMAILIO or #!MAX_COMPAT */ SER_CFG SER @@ -828,7 +831,7 @@ EAT_ABLE [\ \t\b\r] } /* avp prefix detected -> go to avp mode */ <AVP_PVAR>{AVP_PREF} | -<AVP_PVAR>{ID}{LBRACK} { state = ATTR_S; BEGIN(ATTR); yyless(1); +<AVP_PVAR>{ID}{LBRACK} { state = ATTR_S; BEGIN(ATTR); yyless(1); count(); return ATTR_MARK; } <AVP_PVAR>{ID}{LPAREN} { state = PVAR_P_S; p_nest=1; BEGIN(PVAR_P); yymore(); } @@ -886,12 +889,10 @@ EAT_ABLE [\ \t\b\r] <INITIAL>{TICK} { count(); old_initial = YY_START; old_state = state; state=STRING_S; BEGIN(STRING2); } -<STRING1>{QUOTES} { count(); state=old_state; BEGIN(old_initial); +<STRING1>{QUOTES} { count(); yytext[yyleng-1]=0; yyleng--; addstr(&s_buf, yytext, yyleng); - yylval.strval=s_buf.s; - memset(&s_buf, 0, sizeof(s_buf)); - return STRING; + BEGIN(STR_BETWEEN); } <STRING2>{TICK} { count(); state=old_state; BEGIN(old_initial); yytext[yyleng-1]=0; yyleng--; @@ -917,6 +918,14 @@ EAT_ABLE [\ \t\b\r] <STRING1>\\{CR} { count(); } /* eat escaped CRs */ <STRING1>.|{EAT_ABLE}|{CR} { addchar(&s_buf, *yytext); } +<STR_BETWEEN>{EAT_ABLE}|{CR} { count(); /* eat whitespace */ } +<STR_BETWEEN>{QUOTES} { count(); state=STRING_S; BEGIN(STRING1);} +<STR_BETWEEN>. { yyless(0); + state=old_state; BEGIN(old_initial); + yylval.strval=s_buf.s; + memset(&s_buf, 0, sizeof(s_buf)); + return STRING; + } <INITIAL,COMMENT>{COM_START} { count(); comment_nest++; state=COMMENT_S; BEGIN(COMMENT); } @@ -946,6 +955,12 @@ EAT_ABLE [\ \t\b\r] <<EOF>> { switch(state){ + case STR_BETWEEN_S: + state=old_state; + BEGIN(old_initial); + yylval.strval=s_buf.s; + memset(&s_buf, 0, sizeof(s_buf)); + return STRING; case STRING_S: LOG(L_CRIT, "ERROR: cfg. parser: unexpected EOF in" " unclosed string\n");