+++ /dev/null
-/*
- $ $Id: charneg.c,v 1.8 2003-09-02 12:12:13 adam Exp $
- * Helper functions for Character Set and Language Negotiation - 3
- */
-
-#include <stdio.h>
-#include <yaz/otherinfo.h>
-#include <yaz/z-charneg.h>
-#include <yaz/charneg.h>
-#include <yaz/yaz-util.h>
-
-static Z_External* z_ext_record2(ODR o, int oid_class, int oid_value,
- const char *buf)
-{
- Z_External *p;
- oident oid;
- int len = strlen(buf);
-
- if (!(p = (Z_External *)odr_malloc(o, sizeof(*p)))) return 0;
-
- p->descriptor = 0;
- p->indirect_reference = 0;
-
- oid.proto = PROTO_Z3950;
- oid.oclass = (enum oid_class) oid_class;
- oid.value = (enum oid_value) oid_value;
- p->direct_reference = odr_oiddup(o, oid_getoidbyent(&oid));
-
- p->which = Z_External_octet;
- if (!(p->u.octet_aligned = (Odr_oct *)odr_malloc(o, sizeof(Odr_oct)))) {
- return 0;
- }
- if (!(p->u.octet_aligned->buf = (unsigned char *)odr_malloc(o, len))) {
- return 0;
- }
- p->u.octet_aligned->len = p->u.octet_aligned->size = len;
- memcpy(p->u.octet_aligned->buf, buf, len);
-
- return p;
-}
-
-static int get_form(const char *charset)
-{
- int form = -1;
-
-
- if (!yaz_matchstr(charset, "UCS-2"))
- form = 2;
- if (!yaz_matchstr(charset, "UCS-4"))
- form = 4;
- if (!yaz_matchstr(charset, "UTF-16"))
- form = 5;
- if (!yaz_matchstr(charset, "UTF-8"))
- form = 8;
-
- return form;
-}
-
-static char *set_form (Odr_oid *encoding)
-{
- static char *charset = 0;
- if ( oid_oidlen(encoding) != 6)
- return 0;
- if (encoding[5] == 2)
- charset = "UCS-2";
- if (encoding[5] == 4)
- charset = "UCS-4";
- if (encoding[5] == 5)
- charset = "UTF-16";
- if (encoding[5] == 8)
- charset = "UTF-8";
- return charset;
-}
-
-static Z_OriginProposal_0 *z_get_OriginProposal_0(ODR o, const char *charset)
-{
- int form = get_form (charset);
- Z_OriginProposal_0 *p0 =
- (Z_OriginProposal_0*)odr_malloc(o, sizeof(*p0));
-
- memset(p0, 0, sizeof(*p0));
-
- if (form > 0)
- { /* ISO 10646 (UNICODE) */
- char oidname[20];
-
- Z_Iso10646 *is = (Z_Iso10646 *) odr_malloc (o, sizeof(*is));
- p0->which = Z_OriginProposal_0_iso10646;
- p0->u.iso10646 = is;
- is->collections = 0;
- sprintf (oidname, "1.0.10646.1.0.%d", form);
- is->encodingLevel = odr_getoidbystr (o, oidname);
- }
- else
- { /* private ones */
- Z_PrivateCharacterSet *pc =
- (Z_PrivateCharacterSet *)odr_malloc(o, sizeof(*pc));
-
- memset(pc, 0, sizeof(*pc));
-
- p0->which = Z_OriginProposal_0_private;
- p0->u.zprivate = pc;
-
- pc->which = Z_PrivateCharacterSet_externallySpecified;
- pc->u.externallySpecified =
- z_ext_record2(o, CLASS_NEGOT, VAL_ID_CHARSET, charset);
- }
- return p0;
-}
-
-static Z_OriginProposal *z_get_OriginProposal(
- ODR o, const char **charsets, int num_charsets,
- const char **langs, int num_langs, int selected)
-{
- int i;
- Z_OriginProposal *p = (Z_OriginProposal *) odr_malloc(o, sizeof(*p));
-
- memset(p, 0, sizeof(*p));
-
- p->recordsInSelectedCharSets = (bool_t *)odr_malloc(o, sizeof(bool_t));
- *p->recordsInSelectedCharSets = (selected) ? 1:0;
-
- if (charsets && num_charsets) {
-
- p->num_proposedCharSets = num_charsets;
- p->proposedCharSets =
- (Z_OriginProposal_0**)
- odr_malloc(o, num_charsets*sizeof(Z_OriginProposal_0*));
-
- for (i = 0; i<num_charsets; i++)
- p->proposedCharSets[i] =
- z_get_OriginProposal_0(o, charsets[i]);
- }
- if (langs && num_langs) {
-
- p->num_proposedlanguages = num_langs;
-
- p->proposedlanguages =
- (char **) odr_malloc(o, num_langs*sizeof(char *));
-
- for (i = 0; i<num_langs; i++) {
-
- p->proposedlanguages[i] = (char *)langs[i];
-
- }
- }
- return p;
-}
-
-static Z_CharSetandLanguageNegotiation *z_get_CharSetandLanguageNegotiation(
- ODR o)
-{
- Z_CharSetandLanguageNegotiation *p =
- (Z_CharSetandLanguageNegotiation *) odr_malloc(o, sizeof(*p));
-
- memset(p, 0, sizeof(*p));
-
- return p;
-}
-
-/* Create EXTERNAL for negotation proposal. Client side */
-Z_External *yaz_set_proposal_charneg(ODR o,
- const char **charsets, int num_charsets,
- const char **langs, int num_langs,
- int selected)
-{
- Z_External *p = (Z_External *)odr_malloc(o, sizeof(*p));
- oident oid;
-
- p->descriptor = 0;
- p->indirect_reference = 0;
-
- oid.proto = PROTO_Z3950;
- oid.oclass = CLASS_NEGOT;
- oid.value = VAL_CHARNEG3;
- p->direct_reference = odr_oiddup(o, oid_getoidbyent(&oid));
-
- p->which = Z_External_charSetandLanguageNegotiation;
- p->u.charNeg3 = z_get_CharSetandLanguageNegotiation(o);
- p->u.charNeg3->which = Z_CharSetandLanguageNegotiation_proposal;
- p->u.charNeg3->u.proposal =
- z_get_OriginProposal(o, charsets, num_charsets,
- langs, num_langs, selected);
-
- return p;
-}
-
-/* used by yaz_set_response_charneg */
-static Z_TargetResponse *z_get_TargetResponse(ODR o, const char *charset,
- const char *lang, int selected)
-{
- Z_TargetResponse *p = (Z_TargetResponse *) odr_malloc(o, sizeof(*p));
- int form = get_form(charset);
-
- memset(p, 0, sizeof(*p));
-
- if (form > 0)
- {
- char oidname[20];
-
- Z_Iso10646 *is = (Z_Iso10646 *) odr_malloc (o, sizeof(*is));
- p->which = Z_TargetResponse_iso10646;
- p->u.iso10646 = is;
- is->collections = 0;
- sprintf (oidname, "1.0.10646.1.0.%d", form);
- is->encodingLevel = odr_getoidbystr (o, oidname);
- }
- else
- {
- Z_PrivateCharacterSet *pc =
- (Z_PrivateCharacterSet *)odr_malloc(o, sizeof(*pc));
-
- memset(pc, 0, sizeof(*pc));
-
- p->which = Z_TargetResponse_private;
- p->u.zprivate = pc;
-
- pc->which = Z_PrivateCharacterSet_externallySpecified;
- pc->u.externallySpecified =
- z_ext_record2(o, CLASS_NEGOT, VAL_ID_CHARSET, charset);
- }
- p->recordsInSelectedCharSets = (bool_t *)odr_malloc(o, sizeof(bool_t));
- *p->recordsInSelectedCharSets = (selected) ? 1:0;
-
- p->selectedLanguage = lang ? (char *)odr_strdup(o, lang) : 0;
- return p;
-}
-
-/* Create charset response. Server side */
-Z_External *yaz_set_response_charneg(ODR o, const char *charset,
- const char *lang, int selected)
-{
- Z_External *p = (Z_External *)odr_malloc(o, sizeof(*p));
- oident oid;
-
- p->descriptor = 0;
- p->indirect_reference = 0;
-
- oid.proto = PROTO_Z3950;
- oid.oclass = CLASS_NEGOT;
- oid.value = VAL_CHARNEG3;
- p->direct_reference = odr_oiddup(o, oid_getoidbyent(&oid));
-
- p->which = Z_External_charSetandLanguageNegotiation;
- p->u.charNeg3 = z_get_CharSetandLanguageNegotiation(o);
- p->u.charNeg3->which = Z_CharSetandLanguageNegotiation_response;
- p->u.charNeg3->u.response = z_get_TargetResponse(o, charset, lang, selected);
-
- return p;
-}
-
-/* Get negotiation from OtherInformation. Client&Server side */
-Z_CharSetandLanguageNegotiation *yaz_get_charneg_record(Z_OtherInformation *p)
-{
- Z_External *pext;
- int i;
-
- if(!p)
- return 0;
-
- for (i=0; i<p->num_elements; i++) {
-
- if ((p->list[i]->which == Z_OtherInfo_externallyDefinedInfo) &&
- (pext = p->list[i]->information.externallyDefinedInfo)) {
-
- oident *ent = oid_getentbyoid(pext->direct_reference);
-
- if (ent && ent->value == VAL_CHARNEG3 && ent->oclass == CLASS_NEGOT &&
- pext->which == Z_External_charSetandLanguageNegotiation) {
-
- return pext->u.charNeg3;
- }
- }
- }
- return 0;
-}
-
-/* Get charsets, langs, selected from negotiation.. Server side */
-void yaz_get_proposal_charneg(NMEM mem, Z_CharSetandLanguageNegotiation *p,
- char ***charsets, int *num_charsets,
- char ***langs, int *num_langs, int *selected)
-{
- int i;
- Z_OriginProposal *pro = p->u.proposal;
-
- if (num_charsets && charsets)
- {
- if (pro->num_proposedCharSets)
- {
- *num_charsets = pro->num_proposedCharSets;
-
- (*charsets) = (char **)
- nmem_malloc(mem, pro->num_proposedCharSets * sizeof(char *));
-
- for (i=0; i<pro->num_proposedCharSets; i++)
- {
- (*charsets)[i] = 0;
-
- if (pro->proposedCharSets[i]->which ==
- Z_OriginProposal_0_private &&
- pro->proposedCharSets[i]->u.zprivate->which ==
- Z_PrivateCharacterSet_externallySpecified) {
-
- Z_External *pext =
- pro->proposedCharSets[i]->u.zprivate->u.externallySpecified;
-
- if (pext->which == Z_External_octet) {
-
- (*charsets)[i] = (char *)
- nmem_malloc(mem, (1+pext->u.octet_aligned->len) *
- sizeof(char));
-
- memcpy ((*charsets)[i], pext->u.octet_aligned->buf,
- pext->u.octet_aligned->len);
- (*charsets)[i][pext->u.octet_aligned->len] = 0;
-
- }
- }
- else if (pro->proposedCharSets[i]->which ==
- Z_OriginProposal_0_iso10646)
- (*charsets)[i] = set_form (
- pro->proposedCharSets[i]->u.iso10646->encodingLevel);
- }
- }
- else
- *num_charsets = 0;
- }
-
- if (langs && num_langs)
- {
- if (pro->num_proposedlanguages)
- {
- *num_langs = pro->num_proposedlanguages;
-
- (*langs) = (char **)
- nmem_malloc(mem, pro->num_proposedlanguages * sizeof(char *));
-
- for (i=0; i<pro->num_proposedlanguages; i++)
- (*langs)[i] = nmem_strdup(mem, pro->proposedlanguages[i]);
- }
- else
- *num_langs = 0;
- }
-
- if(pro->recordsInSelectedCharSets && selected)
- *selected = *pro->recordsInSelectedCharSets;
-}
-
-/* Return charset, lang, selected from negotiation.. Client side */
-void yaz_get_response_charneg(NMEM mem, Z_CharSetandLanguageNegotiation *p,
- char **charset, char **lang, int *selected)
-{
- Z_TargetResponse *res = p->u.response;
-
- if (charset && res->which == Z_TargetResponse_private &&
- res->u.zprivate->which == Z_PrivateCharacterSet_externallySpecified) {
-
- Z_External *pext = res->u.zprivate->u.externallySpecified;
-
- if (pext->which == Z_External_octet) {
-
- *charset = (char *)
- nmem_malloc(mem, (1+pext->u.octet_aligned->len)*sizeof(char));
- memcpy (*charset, pext->u.octet_aligned->buf,
- pext->u.octet_aligned->len);
- (*charset)[pext->u.octet_aligned->len] = 0;
- }
- }
- if (charset && res->which == Z_TargetResponse_iso10646)
- *charset = set_form (res->u.iso10646->encodingLevel);
- if (lang && res->selectedLanguage)
- *lang = nmem_strdup (mem, res->selectedLanguage);
-
- if(selected && res->recordsInSelectedCharSets)
- *selected = *res->recordsInSelectedCharSets;
-}
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