1 /* $Id: config.c,v 1.29 2007-04-23 08:48:50 marc Exp $
2 Copyright (c) 2006-2007, Index Data.
4 This file is part of Pazpar2.
6 Pazpar2 is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Pazpar2; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 /* $Id: config.c,v 1.29 2007-04-23 08:48:50 marc Exp $ */
26 #include <libxml/parser.h>
27 #include <libxml/tree.h>
28 #include <libxslt/xslt.h>
29 #include <libxslt/transform.h>
30 #include <libxslt/xsltutils.h>
36 #include <yaz/yaz-util.h>
39 #define CONFIG_NOEXTERNS
43 static char confdir[256] = ".";
45 struct conf_config *config = 0;
48 struct conf_metadata * conf_metadata_assign(NMEM nmem,
49 struct conf_metadata * metadata,
51 enum conf_metadata_type type,
52 enum conf_metadata_merge merge,
58 if (!nmem || !metadata || !name)
61 metadata->name = nmem_strdup(nmem, name);
62 metadata->type = type;
63 metadata->merge = merge;
64 metadata->brief = brief;
65 metadata->termlist = termlist;
66 metadata->rank = rank;
67 metadata->sortkey_offset = sortkey_offset;
73 struct conf_sortkey * conf_sortkey_assign(NMEM nmem,
74 struct conf_sortkey * sortkey,
76 enum conf_sortkey_type type)
78 if (!nmem || !sortkey || !name)
81 sortkey->name = nmem_strdup(nmem, name);
88 struct conf_service * conf_service_create(NMEM nmem,
89 int num_metadata, int num_sortkeys)
91 struct conf_service * service = 0;
95 service = nmem_malloc(nmem, sizeof(struct conf_service));
97 service->num_metadata = num_metadata;
98 service->metadata = 0;
99 if (service->num_metadata)
102 sizeof(struct conf_metadata) * service->num_metadata);
103 service->num_sortkeys = num_sortkeys;
104 service->sortkeys = 0;
105 if (service->num_sortkeys)
108 sizeof(struct conf_sortkey) * service->num_sortkeys);
112 struct conf_metadata* conf_service_add_metadata(NMEM nmem,
113 struct conf_service *service,
116 enum conf_metadata_type type,
117 enum conf_metadata_merge merge,
123 struct conf_metadata * md = 0;
125 if (!service || !service->metadata || !service->num_metadata
126 || position < 0 || !(position < service->num_metadata))
129 //md = &((service->metadata)[position]);
130 md = service->metadata + position;
131 md = conf_metadata_assign(nmem, md, name, type, merge,
132 brief, termlist, rank, sortkey_offset);
137 struct conf_sortkey * conf_service_add_sortkey(NMEM nmem,
138 struct conf_service *service,
141 enum conf_sortkey_type type)
143 struct conf_sortkey * sk = 0;
145 if (!service || !service->sortkeys || !service->num_sortkeys
146 || position < 0 || !(position < service->num_sortkeys))
149 //sk = &((service->sortkeys)[position]);
150 sk = service->sortkeys + position;
151 sk = conf_sortkey_assign(nmem, sk, name, type);
157 int conf_service_field_id(struct conf_service *service, const char * name)
161 if (!service || !service->metadata || !service->num_metadata)
164 for(i = 0; i < service->num_metadata; i++) {
165 if (!strcmp(name, (service->metadata[i]).name))
174 /* Code to parse configuration file */
175 /* ==================================================== */
177 static struct conf_service *parse_service(xmlNode *node)
183 struct conf_service *service = 0;
184 int num_metadata = 0;
185 int num_sortkeys = 0;
187 // count num_metadata and num_sortkeys
188 for (n = node->children; n; n = n->next)
189 if (n->type == XML_ELEMENT_NODE && !strcmp((const char *)
190 n->name, "metadata"))
192 xmlChar *sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
194 if (sortkey && strcmp((const char *) sortkey, "no"))
199 service = conf_service_create(nmem, num_metadata, num_sortkeys);
201 for (n = node->children; n; n = n->next)
203 if (n->type != XML_ELEMENT_NODE)
205 if (!strcmp((const char *) n->name, (const char *) "metadata"))
207 xmlChar *xml_name = xmlGetProp(n, (xmlChar *) "name");
208 xmlChar *xml_brief = xmlGetProp(n, (xmlChar *) "brief");
209 xmlChar *xml_sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
210 xmlChar *xml_merge = xmlGetProp(n, (xmlChar *) "merge");
211 xmlChar *xml_type = xmlGetProp(n, (xmlChar *) "type");
212 xmlChar *xml_termlist = xmlGetProp(n, (xmlChar *) "termlist");
213 xmlChar *xml_rank = xmlGetProp(n, (xmlChar *) "rank");
215 enum conf_metadata_type type = Metadata_type_generic;
216 enum conf_metadata_merge merge = Metadata_merge_no;
220 int sortkey_offset = 0;
221 enum conf_sortkey_type sk_type = Metadata_sortkey_relevance;
223 // now do the parsing logic
226 yaz_log(YLOG_FATAL, "Must specify name in metadata element");
231 if (!strcmp((const char *) xml_brief, "yes"))
233 else if (strcmp((const char *) xml_brief, "no"))
235 yaz_log(YLOG_FATAL, "metadata/brief must be yes or no");
244 if (!strcmp((const char *) xml_termlist, "yes"))
246 else if (strcmp((const char *) xml_termlist, "no"))
248 yaz_log(YLOG_FATAL, "metadata/termlist must be yes or no");
256 rank = atoi((const char *) xml_rank);
262 if (!strcmp((const char *) xml_type, "generic"))
263 type = Metadata_type_generic;
264 else if (!strcmp((const char *) xml_type, "year"))
265 type = Metadata_type_year;
268 yaz_log(YLOG_FATAL, "Unknown value for metadata/type: %s", xml_type);
273 type = Metadata_type_generic;
277 if (!strcmp((const char *) xml_merge, "no"))
278 merge = Metadata_merge_no;
279 else if (!strcmp((const char *) xml_merge, "unique"))
280 merge = Metadata_merge_unique;
281 else if (!strcmp((const char *) xml_merge, "longest"))
282 merge = Metadata_merge_longest;
283 else if (!strcmp((const char *) xml_merge, "range"))
284 merge = Metadata_merge_range;
285 else if (!strcmp((const char *) xml_merge, "all"))
286 merge = Metadata_merge_all;
290 "Unknown value for metadata/merge: %s", xml_merge);
295 merge = Metadata_merge_no;
297 // add a sortkey if so specified
298 if (xml_sortkey && strcmp((const char *) xml_sortkey, "no"))
300 if (merge == Metadata_merge_no)
303 "Can't specify sortkey on a non-merged field");
306 if (!strcmp((const char *) xml_sortkey, "numeric"))
307 sk_type = Metadata_sortkey_numeric;
308 else if (!strcmp((const char *) xml_sortkey, "skiparticle"))
309 sk_type = Metadata_sortkey_skiparticle;
313 "Unknown sortkey in metadata element: %s",
317 sortkey_offset = sk_node;
319 conf_service_add_sortkey(nmem, service, sk_node,
320 (const char *) xml_name, sk_type);
327 // metadata known, assign values
328 conf_service_add_metadata(nmem, service, md_node,
329 (const char *) xml_name,
331 brief, termlist, rank, sortkey_offset);
335 xmlFree(xml_sortkey);
338 xmlFree(xml_termlist);
344 yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
351 static char *parse_settings(xmlNode *node)
353 xmlChar *src = xmlGetProp(node, (xmlChar *) "src");
357 r = nmem_strdup(nmem, (const char *) src);
360 yaz_log(YLOG_FATAL, "Must specify src in targetprofile");
367 static struct conf_server *parse_server(xmlNode *node)
370 struct conf_server *r = nmem_malloc(nmem, sizeof(struct conf_server));
383 for (n = node->children; n; n = n->next)
385 if (n->type != XML_ELEMENT_NODE)
387 if (!strcmp((const char *) n->name, "listen"))
389 xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
390 xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
392 r->port = atoi((const char *) port);
394 r->host = nmem_strdup(nmem, (const char *) host);
398 else if (!strcmp((const char *) n->name, "proxy"))
400 xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
401 xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
402 xmlChar *myurl = xmlGetProp(n, (xmlChar *) "myurl");
404 r->proxy_port = atoi((const char *) port);
406 r->proxy_host = nmem_strdup(nmem, (const char *) host);
408 r->myurl = nmem_strdup(nmem, (const char *) myurl);
412 yaz_log(YLOG_FATAL, "Must specify @myurl for proxy");
420 else if (!strcmp((const char *) n->name, "zproxy"))
425 port = xmlGetProp(n, (xmlChar *) "port");
426 host = xmlGetProp(n, (xmlChar *) "host");
429 r->zproxy_port = atoi((const char *) port);
431 r->zproxy_host = nmem_strdup(nmem, (const char *) host);
436 else if (!strcmp((const char *) n->name, "settings"))
440 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
443 if (!(r->settings = parse_settings(n)))
446 else if (!strcmp((const char *) n->name, "service"))
448 struct conf_service *s = parse_service(n);
455 yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
462 xsltStylesheet *conf_load_stylesheet(const char *fname)
465 sprintf(path, "%s/%s", confdir, fname);
466 return xsltParseStylesheetFile((xmlChar *) path);
469 static struct conf_targetprofiles *parse_targetprofiles(xmlNode *node)
471 struct conf_targetprofiles *r = nmem_malloc(nmem, sizeof(*r));
472 xmlChar *type = xmlGetProp(node, (xmlChar *) "type");
473 xmlChar *src = xmlGetProp(node, (xmlChar *) "src");
475 memset(r, 0, sizeof(*r));
479 if (!strcmp((const char *) type, "local"))
480 r->type = Targetprofiles_local;
483 yaz_log(YLOG_FATAL, "Unknown targetprofile type");
489 yaz_log(YLOG_FATAL, "Must specify type for targetprofile");
494 r->src = nmem_strdup(nmem, (const char *) src);
497 yaz_log(YLOG_FATAL, "Must specify src in targetprofile");
505 static struct conf_config *parse_config(xmlNode *root)
508 struct conf_config *r = nmem_malloc(nmem, sizeof(struct conf_config));
511 r->targetprofiles = 0;
513 for (n = root->children; n; n = n->next)
515 if (n->type != XML_ELEMENT_NODE)
517 if (!strcmp((const char *) n->name, "server"))
519 struct conf_server *tmp = parse_server(n);
522 tmp->next = r->servers;
525 else if (!strcmp((const char *) n->name, "targetprofiles"))
527 // It would be fun to be able to fix this sometime
528 if (r->targetprofiles)
530 yaz_log(YLOG_FATAL, "Can't repeat targetprofiles");
533 if (!(r->targetprofiles = parse_targetprofiles(n)))
538 yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
545 int read_config(const char *fname)
547 xmlDoc *doc = xmlParseFile(fname);
550 if (!nmem) // Initialize
552 nmem = nmem_create();
553 xmlSubstituteEntitiesDefault(1);
554 xmlLoadExtDtdDefaultValue = 1;
558 yaz_log(YLOG_FATAL, "Failed to read %s", fname);
561 if ((p = strrchr(fname, '/')))
564 strncpy(confdir, fname, len);
567 config = parse_config(xmlDocGetRootElement(doc));
580 * indent-tabs-mode: nil
582 * vim: shiftwidth=4 tabstop=8 expandtab