mirror of
https://github.com/rkd77/elinks.git
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113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/* Domain-specific options infrastructure */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "elinks.h"
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#include "config/domain.h"
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#include "config/options.h"
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#include "protocol/uri.h"
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#include "session/location.h"
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#include "session/session.h"
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#include "util/lists.h"
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#include "viewer/text/vs.h"
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INIT_LIST_OF(struct domain_tree, domain_trees);
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/* Look for the option with the given name in all domain shadow-trees that
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* match the given domain-name. Return the option from the the shadow tree
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* that best matches the given domain name. */
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static struct option *
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get_domain_option(char *domain_name, int domain_len,
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const char *name)
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{
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struct option *opt, *longest_match_opt = NULL;
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struct domain_tree *longest_match = NULL;
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struct domain_tree *domain;
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assert(domain_name);
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assert(*domain_name);
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foreach (domain, domain_trees)
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if ((!longest_match || domain->len > longest_match->len)
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&& is_in_domain(domain->name, domain_name, domain_len)
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&& (opt = get_opt_rec_real(domain->tree, name))) {
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longest_match = domain;
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longest_match_opt = opt;
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}
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return longest_match_opt;
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}
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struct option *
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get_domain_option_from_session(const char *name, struct session *ses)
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{
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struct uri *uri;
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assert(ses);
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assert(name);
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if (!have_location(ses))
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return NULL;
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uri = cur_loc(ses)->vs.uri;
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if (!uri->host || !uri->hostlen)
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return NULL;
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return get_domain_option(uri->host, uri->hostlen, name);
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}
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/* Return the shadow shadow tree for the given domain name, and
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* if the domain does not yet have a shadow tree, create it. */
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struct option *
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get_domain_tree(char *domain_name)
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{
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struct domain_tree *domain;
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int domain_len;
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assert(domain_name);
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assert(*domain_name);
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foreach (domain, domain_trees)
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if (!strcasecmp(domain->name, domain_name))
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return domain->tree;
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domain_len = strlen(domain_name);
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/* One byte is reserved for domain in struct domain_tree. */
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domain = (struct domain_tree *)mem_alloc(sizeof(*domain) + domain_len);
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if (!domain) return NULL;
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domain->tree = copy_option(config_options, CO_SHALLOW
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| CO_NO_LISTBOX_ITEM);
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if (!domain->tree) {
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mem_free(domain);
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return NULL;
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}
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memcpy(domain->name, domain_name, domain_len + 1);
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domain->len = domain_len;
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add_to_list(domain_trees, domain);
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return domain->tree;
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}
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void
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done_domain_trees(void)
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{
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struct domain_tree *domain, *next;
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foreachsafe (domain, next, domain_trees) {
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delete_option(domain->tree);
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domain->tree = NULL;
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del_from_list(domain);
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mem_free(domain);
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}
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}
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