--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/include/mupdf/fitz/json.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,98 @@
+// Copyright (C) 2004-2025 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#ifndef MUPDF_FITZ_JSON_H
+#define MUPDF_FITZ_JSON_H
+
+#include "mupdf/fitz/system.h"
+#include "mupdf/fitz/context.h"
+#include "mupdf/fitz/pool.h"
+#include "mupdf/fitz/buffer.h"
+
+/* JSON parser */
+
+enum {
+	FZ_JSON_NULL,
+	FZ_JSON_TRUE,
+	FZ_JSON_FALSE,
+	FZ_JSON_NUMBER,
+	FZ_JSON_STRING,
+	FZ_JSON_ARRAY,
+	FZ_JSON_OBJECT
+};
+
+typedef struct fz_json fz_json;
+typedef struct fz_json_array fz_json_array;
+typedef struct fz_json_object fz_json_object;
+
+struct fz_json
+{
+	int type;
+	union {
+		double number;
+		const char *string;
+		fz_json_array *array;
+		fz_json_object *object;
+	} u;
+};
+
+struct fz_json_array
+{
+	fz_json *value;
+	fz_json_array *next;
+};
+
+struct fz_json_object
+{
+	const char *key;
+	fz_json *value;
+	fz_json_object *next;
+};
+
+fz_json *fz_parse_json(fz_context *ctx, fz_pool *pool, const char *s);
+
+void fz_append_json(fz_context *ctx, fz_buffer *buf, fz_json *value);
+void fz_write_json(fz_context *ctx, fz_output *out, fz_json *value);
+
+fz_json *fz_json_new_null(fz_context *ctx, fz_pool *pool);
+fz_json *fz_json_new_boolean(fz_context *ctx, fz_pool *pool, int x);
+fz_json *fz_json_new_number(fz_context *ctx, fz_pool *pool, double number);
+fz_json *fz_json_new_string(fz_context *ctx, fz_pool *pool, const char *string);
+fz_json *fz_json_new_array(fz_context *ctx, fz_pool *pool);
+fz_json *fz_json_new_object(fz_context *ctx, fz_pool *pool);
+void fz_json_array_push(fz_context *ctx, fz_pool *pool, fz_json *array, fz_json *item);
+void fz_json_object_set(fz_context *ctx, fz_pool *pool, fz_json *object, const char *key, fz_json *item);
+
+int fz_json_is_null(fz_context *ctx, fz_json *json);
+int fz_json_is_boolean(fz_context *ctx, fz_json *json);
+int fz_json_is_number(fz_context *ctx, fz_json *json);
+int fz_json_is_string(fz_context *ctx, fz_json *json);
+int fz_json_is_array(fz_context *ctx, fz_json *json);
+int fz_json_is_object(fz_context *ctx, fz_json *json);
+int fz_json_to_boolean(fz_context *ctx, fz_json *json);
+double fz_json_to_number(fz_context *ctx, fz_json *json);
+const char *fz_json_to_string(fz_context *ctx, fz_json *json);
+int fz_json_array_length(fz_context *ctx, fz_json *array);
+fz_json *fz_json_array_get(fz_context *ctx, fz_json *array, int ix);
+fz_json *fz_json_object_get(fz_context *ctx, fz_json *object, const char *key);
+
+#endif