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-rw-r--r--discover/native-parser.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/discover/native-parser.c b/discover/native-parser.c
new file mode 100644
index 0000000..24713b1
--- /dev/null
+++ b/discover/native-parser.c
@@ -0,0 +1,124 @@
+
+#include "parser.h"
+#include "params.h"
+#include "paths.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+const char *conf_filename = "/boot/petitboot.conf";
+
+static struct boot_option *cur_opt;
+static struct device *dev;
+static const char *devpath;
+int device_added;
+
+int check_and_add_device(struct device *dev)
+{
+ if (!dev->icon_file)
+ dev->icon_file = strdup(generic_icon_file(guess_device_type()));
+
+ return !add_device(dev);
+}
+
+static int section(char *section_name)
+{
+ if (!device_added++ && !check_and_add_device(dev))
+ return 0;
+
+ if (cur_opt) {
+ add_boot_option(cur_opt);
+ free_boot_option(cur_opt);
+ }
+
+ cur_opt = malloc(sizeof(*cur_opt));
+ memset(cur_opt, 0, sizeof(*cur_opt));
+ return 1;
+}
+
+
+static void set_boot_option_parameter(struct boot_option *opt,
+ const char *name, const char *value)
+{
+ if (streq(name, "name"))
+ opt->name = strdup(value);
+
+ else if (streq(name, "description"))
+ opt->description = strdup(value);
+
+ else if (streq(name, "image"))
+ opt->boot_image_file = resolve_path(value, devpath);
+
+ else if (streq(name, "icon"))
+ opt->icon_file = resolve_path(value, devpath);
+
+ else if (streq(name, "initrd"))
+ opt->initrd_file =resolve_path(value, devpath);
+
+ else if (streq(name, "args"))
+ opt->boot_args = strdup(value);
+
+ else
+ fprintf(stderr, "Unknown parameter %s\n", name);
+}
+
+static void set_device_parameter(struct device *dev,
+ const char *name, const char *value)
+{
+ if (streq(name, "name"))
+ dev->name = strdup(value);
+
+ else if (streq(name, "description"))
+ dev->description = strdup(value);
+
+ else if (streq(name, "icon"))
+ dev->icon_file = resolve_path(value, devpath);
+}
+
+static int parameter(char *param_name, char *param_value)
+{
+ if (cur_opt)
+ set_boot_option_parameter(cur_opt, param_name, param_value);
+ else
+ set_device_parameter(dev, param_name, param_value);
+ return 1;
+}
+
+
+int parse(const char *device)
+{
+ char *filepath;
+ int rc;
+
+ filepath = resolve_path(conf_filename, device);
+
+ cur_opt = NULL;
+ dev = malloc(sizeof(*dev));
+ memset(dev, 0, sizeof(*dev));
+ dev->id = strdup(device);
+
+ rc = pm_process(filepath, section, parameter);
+ if (!rc)
+ return 0;
+
+ if (cur_opt) {
+ add_boot_option(cur_opt);
+ free_boot_option(cur_opt);
+ }
+
+ cur_opt = NULL;
+
+ free(filepath);
+
+ return 1;
+}
+
+struct parser native_parser = {
+ .name = "native petitboot parser",
+ .priority = 100,
+ .parse = parse
+};
+
+
+
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