Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 95 insertions, 0 deletions

diff --git a/wsutil/wsjson.h b/wsutil/wsjson.h
new file mode 100644
index 00000000..be232767
--- /dev/null
+++ b/wsutil/wsjson.h
@@ -0,0 +1,95 @@
+/** @file
+ *
+ * JSON parsing functions.
+ *
+ * Copyright 2016, Dario Lombardo
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __WSJSON_H__
+#define __WSJSON_H__
+
+#include "ws_symbol_export.h"
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include "jsmn.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Check if a buffer is json an returns true if it is.
+ */
+WS_DLL_PUBLIC bool json_validate(const uint8_t *buf, const size_t len);
+
+WS_DLL_PUBLIC int json_parse(const char *buf, jsmntok_t *tokens, unsigned int max_tokens);
+
+/**
+ * Get the pointer to an object belonging to parent object and named as the name variable.
+ * Returns NULL if not found.
+ */
+WS_DLL_PUBLIC jsmntok_t *json_get_object(const char *buf, jsmntok_t *parent, const char *name);
+
+/**
+ * Get the pointer to an array belonging to parent object and named as the name variable.
+ * Returns NULL if not found.
+ */
+WS_DLL_PUBLIC jsmntok_t *json_get_array(const char *buf, jsmntok_t *parent, const char *name);
+
+/**
+ * Get the number of elements of an array.
+ * Returns -1 if the JSON objecct is not an array.
+ */
+WS_DLL_PUBLIC int json_get_array_len(jsmntok_t *array);
+
+/**
+ * Get the pointer to idx element of an array.
+ * Returns NULL if not found.
+ */
+WS_DLL_PUBLIC jsmntok_t *json_get_array_index(jsmntok_t *parent, int idx);
+
+/**
+ * Get the unescaped value of a string object belonging to parent object and named as the name variable.
+ * Returns NULL if not found. Caution: it modifies input buffer.
+ */
+WS_DLL_PUBLIC char *json_get_string(char *buf, jsmntok_t *parent, const char *name);
+
+/**
+ * Get the value of a number object belonging to parent object and named as the name variable.
+ * Returns false if not found. Caution: it modifies input buffer.
+ * Scientific notation not supported yet.
+ */
+WS_DLL_PUBLIC bool json_get_double(char *buf, jsmntok_t *parent, const char *name, double *val);
+
+/**
+ * Decode the contents of a JSON string value by overwriting the input data.
+ * Returns true on success and false if invalid characters were encountered.
+ */
+WS_DLL_PUBLIC bool json_decode_string_inplace(char *text);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */