X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fparser.h;h=03ba8d4d704134b3a9a239c9da9f6657ff449505;hp=1b88831d72b4b0d8de6f452874c0f98011114eca;hb=5be946c;hpb=fbb2f7a20e5ac7b6d9f578fdb3538fad4310c472 diff --git a/discover/parser.h b/discover/parser.h index 1b88831..03ba8d4 100644 --- a/discover/parser.h +++ b/discover/parser.h @@ -1,13 +1,36 @@ #ifndef _PARSER_H #define _PARSER_H +#include + struct discover_context; +struct device_handler; +struct resource; +/** + * Our config parser. + * + * Each parser is responsible for creating discover_boot_options from config + * files found on new devices. The boot items discovered during parse will have + * 'resources' attached (see @discover_boot_option), which may already be + * resolved (in the case of a device-local filename, or a URL), or unresolved + * (in the case of a filename on another device). + * + * If the boot option contains references to unresolved resources, the + * device handler will not inform clients about the boot options, as + * they're not properly "available" at this stage. The handler will attempt to + * resolve them whenever new devices are discovered, by calling the parser's + * resolve_resource function. Once a boot option's resources are full resolved, + * the option can be sent to clients. + */ struct parser { - char *name; - int priority; - int (*parse)(struct discover_context *ctx); - struct parser *next; + char *name; + const char * const *filenames; + int (*parse)(struct discover_context *ctx, + char *buf, int len); + bool (*resolve_resource)( + struct device_handler *handler, + struct resource *res); }; enum generic_icon_type { @@ -23,6 +46,6 @@ enum generic_icon_type { void parser_init(void); void iterate_parsers(struct discover_context *ctx); -int parse_user_event(struct device *device, struct event *event); +int parse_user_event(struct discover_context *ctx, struct event *event); #endif /* _PARSER_H */