X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=json_script.c;h=73c25022e11c8d42e23077c8b08146b28ba30abd;hb=791a361ad1b08fa56e554654109122b828657a2b;hp=bc2375434dba1c3bcd5125ce658541082791467a;hpb=38ea521911a1bf01b3714f1dfc725e941159c0f1;p=project%2Flibubox.git

diff --git a/json_script.c b/json_script.c
index bc23754..73c2502 100644
--- a/json_script.c
+++ b/json_script.c
@@ -16,8 +16,7 @@
 #include <sys/stat.h>
 #include <regex.h>
 
-#include <libubox/avl-cmp.h>
-
+#include "avl-cmp.h"
 #include "json_script.h"
 
 struct json_call {
@@ -334,12 +333,16 @@ static int handle_expr_or(struct json_call *call, struct blob_attr *expr)
 static int handle_expr_not(struct json_call *call, struct blob_attr *expr)
 {
 	struct blob_attr *tb[3];
+	int ret;
 
 	json_get_tuple(expr, tb, BLOBMSG_TYPE_ARRAY, 0);
 	if (!tb[1])
 		return -1;
 
-	return json_process_expr(call, tb[1]);
+	ret = json_process_expr(call, tb[1]);
+	if (ret < 0)
+		return ret;
+	return !ret;
 }
 
 static const struct json_handler expr[] = {
@@ -389,15 +392,14 @@ static int json_process_expr(struct json_call *call, struct blob_attr *cur)
 	return ret;
 }
 
-static int cmd_add_string(struct json_call *call, const char *pattern)
+static int eval_string(struct json_call *call, struct blob_buf *buf, const char *name, const char *pattern)
 {
-	struct json_script_ctx *ctx = call->ctx;
 	char *dest, *next, *str;
 	int len = 0;
 	bool var = false;
 	char c = '%';
 
-	dest = blobmsg_alloc_string_buffer(&ctx->buf, NULL, 1);
+	dest = blobmsg_alloc_string_buffer(buf, name, 1);
 	next = alloca(strlen(pattern) + 1);
 	strcpy(next, pattern);
 
@@ -418,7 +420,7 @@ static int cmd_add_string(struct json_call *call, const char *pattern)
 		}
 
 		if (cur_var) {
-			if (next > str) {
+			if (end > str) {
 				cur = msg_find_var(call, str);
 				if (!cur)
 					continue;
@@ -436,19 +438,37 @@ static int cmd_add_string(struct json_call *call, const char *pattern)
 			cur_len = end - str;
 		}
 
-		dest = blobmsg_realloc_string_buffer(&ctx->buf, cur_len + 1);
+		dest = blobmsg_realloc_string_buffer(buf, len + cur_len + 1);
 		memcpy(dest + len, cur, cur_len);
 		len += cur_len;
 	}
 
+	dest[len] = 0;
+	blobmsg_add_string_buffer(buf);
+
 	if (var)
 		return -1;
 
-	dest[len] = 0;
-	blobmsg_add_string_buffer(&ctx->buf);
 	return 0;
 }
 
+static int cmd_add_string(struct json_call *call, const char *pattern)
+{
+	return eval_string(call, &call->ctx->buf, NULL, pattern);
+}
+
+int json_script_eval_string(struct json_script_ctx *ctx, struct blob_attr *vars,
+			    struct blob_buf *buf, const char *name,
+			    const char *pattern)
+{
+	struct json_call call = {
+		.ctx = ctx,
+		.vars = vars,
+	};
+
+	return eval_string(&call, buf, name, pattern);
+}
+
 static int cmd_process_strings(struct json_call *call, struct blob_attr *attr)
 {
 	struct json_script_ctx *ctx = call->ctx;
@@ -537,10 +557,9 @@ static int json_process_cmd(struct json_call *call, struct blob_attr *block)
 	return 0;
 }
 
-void json_script_run(struct json_script_ctx *ctx, const char *name,
-		     struct blob_attr *vars)
+void json_script_run_file(struct json_script_ctx *ctx, struct json_script_file *file,
+			  struct blob_attr *vars)
 {
-	struct json_script_file *file;
 	static unsigned int _seq = 0;
 	struct json_call call = {
 		.ctx = ctx,
@@ -552,19 +571,32 @@ void json_script_run(struct json_script_ctx *ctx, const char *name,
 	if (!call.seq)
 		call.seq = ++_seq;
 
+	__json_script_run(&call, file, NULL);
+}
+
+void json_script_run(struct json_script_ctx *ctx, const char *name,
+		     struct blob_attr *vars)
+{
+	struct json_script_file *file;
+
 	file = json_script_get_file(ctx, name);
 	if (!file)
 		return;
 
-	__json_script_run(&call, file, NULL);
+	json_script_run_file(ctx, file, vars);
 }
 
-static void __json_script_file_free(struct json_script_ctx *ctx, struct json_script_file *f)
+static void __json_script_file_free(struct json_script_file *f)
 {
 	struct json_script_file *next;
 
-	for (next = f->next; f; f = next, next = f->next)
-		free(f);
+	if (!f)
+		return;
+
+	next = f->next;
+	free(f);
+
+	__json_script_file_free(next);
 }
 
 void
@@ -573,7 +605,7 @@ json_script_free(struct json_script_ctx *ctx)
 	struct json_script_file *f, *next;
 
 	avl_remove_all_elements(&ctx->files, f, avl, next)
-		__json_script_file_free(ctx, f);
+		__json_script_file_free(f);
 
 	blob_buf_free(&ctx->buf);
 }