Attr. encoding for LANGUAGE node: * | attr_t(2) attr_len(2) attr_val(2*x) | MATCHES attr (NNT) */
| 403 | * | attr_t(2) attr_len(2) attr_val(2*x) | MATCHES attr (NNT) |
| 404 | */ |
| 405 | static inline int encode_lang_attr(xmlNodePtr node, char *node_ptr, char *buf_end) |
| 406 | |
| 407 | { |
| 408 | xmlAttrPtr attr; |
| 409 | char *p, *p_orig; |
| 410 | unsigned char *nr_attr; |
| 411 | char *end; |
| 412 | char *val_bk; |
| 413 | str val; |
| 414 | |
| 415 | nr_attr = &(NR_OF_ATTR(node_ptr)); |
| 416 | *nr_attr = 0; |
| 417 | p = p_orig = ATTR_PTR(node_ptr); |
| 418 | |
| 419 | FOR_ALL_ATTR(node,attr) { |
| 420 | /* there is only one attribute -> MATCHES */ |
| 421 | if (attr->name[0]!='M' && attr->name[0]!='m') { |
| 422 | LM_ERR("unknown attribute " |
| 423 | "<%s>\n",attr->name); |
| 424 | goto error; |
| 425 | } |
| 426 | val.s = val_bk = (char*)xmlGetProp(node,attr->name); |
| 427 | /* parse the language-tag */ |
| 428 | for(end=val.s,val.len=0;;end++) { |
| 429 | /* trim all spaces from the beginning of the tag */ |
| 430 | if (!val.len && (*end==' ' || *end=='\t')) continue; |
| 431 | /* we cannot have more than 2 attrs - LANG_TAG and LANG_SUBTAG */ |
| 432 | if ((*nr_attr)>=2) goto lang_error; |
| 433 | if (((*end)|0x20)>='a' && ((*end)|0x20)<='z') { |
| 434 | val.len++; continue; |
| 435 | } else if (*end=='*' && val.len==0 && (*nr_attr)==0 && |
| 436 | (*end==' '|| *end=='\t' || *end==0)) { |
| 437 | val.len++; |
| 438 | set_attr_type(p, MATCHES_TAG_ATTR, buf_end, error); |
| 439 | } else if (val.len && (*nr_attr)==0 && *end=='-' ) { |
| 440 | set_attr_type(p, MATCHES_TAG_ATTR, buf_end, error); |
| 441 | } else if (val.len && ((*nr_attr)==0 || (*nr_attr)==1) && |
| 442 | (*end==' '|| *end=='\t' || *end==0)) { |
| 443 | set_attr_type(p, |
| 444 | (!(*nr_attr))?MATCHES_TAG_ATTR:MATCHES_SUBTAG_ATTR, |
| 445 | buf_end, error ); |
| 446 | } else goto lang_error; |
| 447 | (*nr_attr)++; |
| 448 | /*LM_DBG("----> language tag=%d; %d [%.*s]\n",*(p-1), |
| 449 | val.len,val.len,end-val.len);*/ |
| 450 | val.s = end-val.len; |
| 451 | append_str_attr(p, val, buf_end, error); |
| 452 | val.len = 0; |
| 453 | if (*end==0) break; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | return p-p_orig; |
| 458 | lang_error: |
| 459 | LM_ERR("bad value for language_tag <%s>\n",val_bk); |
| 460 | error: |
| 461 | return -1; |
| 462 | } |