Add usage comment to parse_user_event

[petitboot] / discover / parser.c

diff --git a/discover/parser.c b/discover/parser.c
index 5e50dcbdafc292f8c05a29f986f1d5510259938b..8f2735ccc6553b3d00bdc575b5debdd7b7203a3a 100644 (file)
--- a/discover/parser.c
+++ b/discover/parser.c
@@ -1,85 +1,46 @@
 
-#include <petitboot-paths.h>
 #include <stdlib.h>
-#include <string.h>
 
-#include "parser.h"
+#include "pb-protocol/pb-protocol.h"
+#include <log/log.h>
 
-extern struct parser native_parser;
-extern struct parser yaboot_parser;
-extern struct parser kboot_parser;
+#include "device-handler.h"
+#include "parser.h"
+#include "parser-utils.h"
 
-/* array of parsers, ordered by priority */
-static struct parser *parsers[] = {
-       &native_parser,
-       &yaboot_parser,
-       &kboot_parser,
-       NULL
-};
+extern struct parser __start_parsers[], __stop_parsers[];
 
-void iterate_parsers(const char *devpath, const char *mountpoint)
+void iterate_parsers(struct discover_context *ctx)
 {
-       int i;
+       struct parser *parser;
+       unsigned int count = 0;
 
-       pb_log("trying parsers for %s\n", devpath);
+       pb_log("trying parsers for %s\n", ctx->device_path);
 
-       for (i = 0; parsers[i]; i++) {
-               pb_log("\ttrying parser '%s'\n", parsers[i]->name);
-               /* just use a dummy device path for now */
-               if (parsers[i]->parse(devpath))
-                       return;
+       for (parser = __start_parsers; parser < __stop_parsers; parser++) {
+               pb_log("\ttrying parser '%s'\n", parser->name);
+               count += parser->parse(ctx);
        }
-       pb_log("\tno boot_options found\n");
+       if (!count)
+               pb_log("\tno boot_options found\n");
 }
 
-/* convenience functions for parsers */
-void free_device(struct device *dev)
+static int compare_parsers(const void *a, const void *b)
 {
-       if (!dev)
-               return;
-       if (dev->id)
-               free(dev->id);
-       if (dev->name)
-               free(dev->name);
-       if (dev->description)
-               free(dev->description);
-       if (dev->icon_file)
-               free(dev->icon_file);
-       free(dev);
-}
+       const struct parser *parser_a = a, *parser_b = b;
 
-void free_boot_option(struct boot_option *opt)
-{
-       if (!opt)
-               return;
-       if (opt->name)
-               free(opt->name);
-       if (opt->description)
-               free(opt->description);
-       if (opt->icon_file)
-               free(opt->icon_file);
-       if (opt->boot_image_file)
-               free(opt->boot_image_file);
-       if (opt->initrd_file)
-               free(opt->initrd_file);
-       if (opt->boot_args)
-               free(opt->boot_args);
-       free(opt);
+       if (parser_a->priority > parser_b->priority)
+               return -1;
+
+       if (parser_a->priority < parser_b->priority)
+               return 1;
+
+       return 0;
 }
 
-const char *generic_icon_file(enum generic_icon_type type)
+void parser_init(void)
 {
-       switch (type) {
-       case ICON_TYPE_DISK:
-               return artwork_pathname("hdd.png");
-       case ICON_TYPE_USB:
-               return artwork_pathname("usbpen.png");
-       case ICON_TYPE_OPTICAL:
-               return artwork_pathname("cdrom.png");
-       case ICON_TYPE_NETWORK:
-       case ICON_TYPE_UNKNOWN:
-               break;
-       }
-       return artwork_pathname("hdd.png");
+       /* sort our parsers into descending priority order */
+       qsort(__start_parsers, __stop_parsers - __start_parsers,
+                       sizeof(struct parser), compare_parsers);
 }
-