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