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#include <stdio.h>
#include <stdlib.h>
#include <json.h>
#include "blobmsg.h"
#include "blobmsg_json.h"
#include "json_script.h"
struct json_script_ctx jctx;
struct blob_buf b_vars;
struct blob_buf b_script;
static void handle_command(struct json_script_ctx *ctx, const char *name,
struct blob_attr *data, struct blob_attr *vars)
{
struct blob_attr *cur;
size_t rem;
fprintf(stdout, "%s", name);
blobmsg_for_each_attr(cur, data, rem)
fprintf(stdout, " %s", (char *) blobmsg_data(cur));
fprintf(stdout, "\n");
}
static struct json_script_file *
handle_file(struct json_script_ctx *ctx, const char *filename)
{
json_object *obj;
obj = json_object_from_file(filename);
if (!obj) {
fprintf(stderr, "load JSON data from %s failed.\n", filename);
return NULL;
}
blob_buf_init(&b_script, 0);
blobmsg_add_json_element(&b_script, "", obj);
json_object_put(obj);
return json_script_file_from_blobmsg(filename,
blob_data(b_script.head), blob_len(b_script.head));
}
static void usage(const char *prog, int exit_code)
{
fprintf(stderr, "Usage: %s [VARNAME=value] <filename_json_script>\n", prog);
exit(exit_code);
}
int main(int argc, char *argv[])
{
int i;
char *file = NULL;
const char *prog = argv[0];
blobmsg_buf_init(&b_vars);
blobmsg_buf_init(&b_script);
json_script_init(&jctx);
jctx.handle_command = handle_command;
jctx.handle_file = handle_file;
for (i = 1; i < argc; i++) {
char *sep = strchr(argv[i], '=');
if (sep) {
*sep = '\0';
blobmsg_add_string(&b_vars, argv[i], sep + 1);
} else if (!file) {
file = argv[i];
} else {
usage(prog, -1);
}
}
if (i < argc || !file)
usage(prog, -2);
json_script_run(&jctx, file, b_vars.head);
json_script_free(&jctx);
blob_buf_free(&b_script);
blob_buf_free(&b_vars);
return 0;
}
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