Module: kamailio Branch: master Commit: 5900736cea1da98952f23b0f92aa51bc928b5b46 URL: https://github.com/kamailio/kamailio/commit/5900736cea1da98952f23b0f92aa51b… Author: Carsten Bock &lt;carsten(a)ng-voice.com&gt; Committer: Carsten Bock &lt;carsten(a)ng-voice.com&gt; Date: 2015-06-19T13:32:49+02:00 pv: Add pv-operator, to remove all non-numeric parts of a string --- Modified: modules/pv/pv_trans.c Modified: modules/pv/pv_trans.h --- Diff: https://github.com/kamailio/kamailio/commit/5900736cea1da98952f23b0f92aa51b… Patch: https://github.com/kamailio/kamailio/commit/5900736cea1da98952f23b0f92aa51b… --- diff --git a/modules/pv/pv_trans.c b/modules/pv/pv_trans.c index 42798d8..17ad35d 100644 --- a/modules/pv/pv_trans.c +++ b/modules/pv/pv_trans.c @@ -233,6 +233,19 @@ static int pdu_7bit_decode(str sin) { return j; } +/* Get only the numeric part of string, e.g. + 040/123-456 => 040123456 */ +static int getNumericValue(str sin) { + int i, j = 0; + for(i = 0; i < sin.len; i ++) { + if (sin.s[i] >= '0' && sin.s[i] <= '9') { + _tr_buffer[j++] = sin.s[i]; + } + } + _tr_buffer[j] = '\0'; + return j; +} + /* -- transformations functions */ /*! @@ -388,6 +401,17 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, val->rs.s = _tr_buffer; val->rs.len = i; break; + case TR_S_NUMERIC: + if(!(val->flags&PV_VAL_STR)) + return -1; + if(val->rs.len>TR_BUFFER_SIZE) + return -1; + i = getNumericValue(val->rs); + memset(val, 0, sizeof(pv_value_t)); + val->flags = PV_VAL_STR; + val->rs.s = _tr_buffer; + val->rs.len = i; + break; case TR_S_ENCODEBASE64: if(!(val->flags&PV_VAL_STR)) val->rs.s = int2str(val->ri, &val->rs.len); @@ -2030,6 +2054,9 @@ char* tr_parse_string(str* in, trans_t *t) } else if(name.len==7 && strncasecmp(name.s, "toupper", 7)==0) { t->subtype = TR_S_TOUPPER; goto done; + } else if(name.len==7 && strncasecmp(name.s, "numeric", 7)==0) { + t->subtype = TR_S_NUMERIC; + goto done; } else if(name.len==11 && strncasecmp(name.s, "encode.hexa", 11)==0) { t->subtype = TR_S_ENCODEHEXA; goto done; diff --git a/modules/pv/pv_trans.h b/modules/pv/pv_trans.h index a49ad53..0d61c8b 100644 --- a/modules/pv/pv_trans.h +++ b/modules/pv/pv_trans.h @@ -40,7 +40,7 @@ enum _tr_s_subtype { TR_S_ESCAPEPARAM, TR_S_UNESCAPEPARAM, TR_S_TOLOWER, TR_S_TOUPPER, TR_S_STRIP, TR_S_STRIPTAIL, TR_S_PREFIXES, TR_S_PREFIXES_QUOT, TR_S_REPLACE, TR_S_TIMEFORMAT, TR_S_TRIM, TR_S_RTRIM, TR_S_LTRIM, TR_S_RM, TR_S_STRIPTO, - TR_S_URLENCODEPARAM, TR_S_URLDECODEPARAM + TR_S_URLENCODEPARAM, TR_S_URLDECODEPARAM, TR_S_NUMERIC }; enum _tr_uri_subtype { TR_URI_NONE=0, TR_URI_USER, TR_URI_HOST, TR_URI_PASSWD, TR_URI_PORT,