[sr-dev] git:master: pv: added transformations for trim, right trim and left trim

Module: sip-router Branch: master Commit: 6ad59b21c54865e45144b84a3d0569553891da4c URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=6ad59b2… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Thu Dec 15 16:19:18 2011 +0100 pv: added transformations for trim, right trim and left trim - remove whitespaces (' ', '\t', '\r', '\n') from start or end of a string value --- modules_k/pv/pv_trans.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ modules_k/pv/pv_trans.h | 2 +- 2 files changed, 46 insertions(+), 1 deletions(-) diff --git a/modules_k/pv/pv_trans.c b/modules_k/pv/pv_trans.c index da5dbfd..139275b 100644 --- a/modules_k/pv/pv_trans.c +++ b/modules_k/pv/pv_trans.c @@ -592,6 +592,42 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, val->rs.s = _tr_buffer; break; + case TR_S_TRIM: + if(!(val->flags&PV_VAL_STR)) + val->rs.s = int2str(val->ri, &val->rs.len); + if(val->rs.len>TR_BUFFER_SIZE-2) + return -1; + memcpy(_tr_buffer, val->rs.s, val->rs.len); + val->flags = PV_VAL_STR; + val->rs.s = _tr_buffer; + trim(&val->rs); + val->rs.s[val->rs.len] = '\0'; + break; + + case TR_S_RTRIM: + if(!(val->flags&PV_VAL_STR)) + val->rs.s = int2str(val->ri, &val->rs.len); + if(val->rs.len>TR_BUFFER_SIZE-2) + return -1; + memcpy(_tr_buffer, val->rs.s, val->rs.len); + val->flags = PV_VAL_STR; + val->rs.s = _tr_buffer; + trim_trailing(&val->rs); + val->rs.s[val->rs.len] = '\0'; + break; + + case TR_S_LTRIM: + if(!(val->flags&PV_VAL_STR)) + val->rs.s = int2str(val->ri, &val->rs.len); + if(val->rs.len>TR_BUFFER_SIZE-2) + return -1; + memcpy(_tr_buffer, val->rs.s, val->rs.len); + val->flags = PV_VAL_STR; + val->rs.s = _tr_buffer; + trim_leading(&val->rs); + val->rs.s[val->rs.len] = '\0'; + break; + default: LM_ERR("unknown subtype %d\n", subtype); @@ -1580,6 +1616,15 @@ char* tr_parse_string(str* in, trans_t *t) goto error; } goto done; + } else if(name.len==4 && strncasecmp(name.s, "trim", 4)==0) { + t->subtype = TR_S_TRIM; + goto done; + } else if(name.len==5 && strncasecmp(name.s, "rtrim", 5)==0) { + t->subtype = TR_S_RTRIM; + goto done; + } else if(name.len==5 && strncasecmp(name.s, "ltrim", 5)==0) { + t->subtype = TR_S_LTRIM; + goto done; } LM_ERR("unknown transformation: %.*s/%.*s/%d!\n", in->len, in->s, diff --git a/modules_k/pv/pv_trans.h b/modules_k/pv/pv_trans.h index 0938ddc..24f4bc2 100644 --- a/modules_k/pv/pv_trans.h +++ b/modules_k/pv/pv_trans.h @@ -40,7 +40,7 @@ enum _tr_s_subtype { TR_S_ESCAPECOMMON, TR_S_UNESCAPECOMMON, TR_S_ESCAPEUSER, TR_S_UNESCAPEUSER, 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_TIMEFORMAT, TR_S_TRIM, TR_S_RTRIM, TR_S_LTRIM }; enum _tr_uri_subtype { TR_URI_NONE=0, TR_URI_USER, TR_URI_HOST, TR_URI_PASSWD, TR_URI_PORT,