discover: Reimplement native-parser as a Bison parser

[petitboot] / discover / native / native.c

diff --git a/discover/native/native.c b/discover/native/native.c
new file mode 100644 (file)
index 0000000..964ad1d
--- /dev/null
+++ b/discover/native/native.c
@@ -0,0 +1,55 @@
+#include <assert.h>
+#include <string.h>
+#include <i18n/i18n.h>
+
+#include <talloc/talloc.h>
+#include <url/url.h>
+
+#include <discover/resource.h>
+#include <discover/parser.h>
+#include <discover/parser-utils.h>
+
+#include "native.h"
+
+static const char *const native_conf_files[] = {
+       "/boot/petitboot.conf",
+       "/petitboot.conf",
+       NULL
+};
+
+static int native_parse(struct discover_context *dc)
+{
+       const char * const *filename;
+       struct native_parser *parser;
+       int len, rc;
+       char *buf;
+
+       /* Support block device boot only at present */
+       if (dc->event)
+               return -1;
+
+       for (filename = native_conf_files; *filename; filename++) {
+               rc = parser_request_file(dc, dc->device, *filename, &buf, &len);
+               if (rc)
+                       continue;
+
+               parser = native_parser_create(dc);
+               native_parser_parse(parser, *filename, buf, len);
+               device_handler_status_dev_info(dc->handler, dc->device,
+                               _("Parsed native configuration from %s"),
+                               *filename);
+               talloc_free(buf);
+               talloc_free(parser);
+               break;
+       }
+
+       return 0;
+}
+
+static struct parser native_parser = {
+       .name                   = "native",
+       .parse                  = native_parse,
+       .resolve_resource       = resolve_devpath_resource,
+};
+
+register_parser(native_parser);