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95 lines
2.3 KiB
95 lines
2.3 KiB
3 months ago
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/*
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* UCW Library -- Interface between command-line options and configuration
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*
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* (c) 2013 Maria Matejka <mq@ucw.cz>
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* (c) 2014 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/opt.h>
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#include <ucw/opt-internal.h>
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#include <ucw/conf.h>
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#include <ucw/conf-internal.h>
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#include <ucw/fastbuf.h>
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#include <alloca.h>
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#include <math.h>
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static void opt_conf_end_of_options(struct cf_context *cc) {
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cf_load_default(cc);
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if (cc->postpone_commit && cf_close_group())
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opt_failure("Loading of configuration failed");
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}
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static void opt_conf_check(struct opt_context *oc)
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{
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switch (oc->conf_state) {
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case OPT_CONF_HOOK_BEGIN:
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oc->conf_state = OPT_CONF_HOOK_CONFIG;
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break;
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case OPT_CONF_HOOK_CONFIG:
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break;
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case OPT_CONF_HOOK_OTHERS:
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opt_failure("Config options must stand before other options.");
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break;
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default:
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ASSERT(0);
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}
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}
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void opt_handle_config(const struct opt_item * opt UNUSED, const char * value, void * data)
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{
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opt_conf_check(data);
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if (cf_load(value))
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exit(1); // Error message is already printed by cf_load()
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}
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void opt_handle_set(const struct opt_item * opt UNUSED, const char * value, void * data)
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{
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opt_conf_check(data);
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struct cf_context *cc = cf_get_context();
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cf_load_default(cc);
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if (cf_set(value))
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opt_failure("Cannot set %s", value);
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}
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void opt_handle_dumpconfig(const struct opt_item * opt UNUSED, const char * value UNUSED, void * data UNUSED)
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{
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struct cf_context *cc = cf_get_context();
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opt_conf_end_of_options(cc);
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struct fastbuf *b = bfdopen(1, 4096);
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cf_dump_sections(b);
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bclose(b);
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exit(0);
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}
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void opt_conf_hook_internal(const struct opt_item * opt, uint event, const char * value UNUSED, void * data) {
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struct opt_context *oc = data;
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struct cf_context *cc = cf_get_context();
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if (event == OPT_HOOK_FINAL) {
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opt_conf_end_of_options(cc);
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return;
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}
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ASSERT(event == OPT_HOOK_BEFORE_VALUE);
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if (opt->flags & OPT_BEFORE_CONFIG)
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return;
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switch (oc->conf_state) {
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case OPT_CONF_HOOK_BEGIN:
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case OPT_CONF_HOOK_CONFIG:
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opt_conf_end_of_options(cc);
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oc->conf_state = OPT_CONF_HOOK_OTHERS;
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break;
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case OPT_CONF_HOOK_OTHERS:
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break;
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default:
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ASSERT(0);
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}
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}
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