--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dbutils/json.c Tue Dec 09 18:24:48 2025 +0100
@@ -0,0 +1,97 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2024 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "json.h"
+
+CxJsonValue* dbuObjectToJson(DBUClass *type, void *obj, const CxAllocator *a) {
+ return dbuObjectToJson2(type, obj, a, false, false);
+}
+
+CxJsonValue* dbuObjectToJson2(DBUClass *type, void *obj, const CxAllocator *a, bool setNull, bool forceString) {
+ if(obj == NULL) {
+ return cxJsonCreateLiteral(a, CX_JSON_NULL);
+ }
+ if(!a) {
+ a = cxDefaultAllocator;
+ }
+
+ CxJsonValue *value = cxJsonCreateObj(a);
+ if(!value) {
+ return NULL;
+ }
+
+ // add all primitive values
+ CxMapIterator i = cxMapIteratorValues(type->fields);
+ cx_foreach(DBUField *, field, i) {
+ CxJsonValue *child = NULL;
+ if(field->toBool) {
+ bool b = field->toBool(field, obj);
+ child = cxJsonCreateLiteral(a, b ? CX_JSON_TRUE : CX_JSON_FALSE);
+ } else if(field->toInt64) {
+ int64_t i = field->toInt64(field, obj);
+ child = cxJsonCreateInteger(a, i);
+ } else if(field->toUInt64) {
+ uint64_t u = field->toUInt64(field, obj);
+ child = cxJsonCreateInteger(a, (int64_t)u);
+ } else if(field->toDouble) {
+ double d = field->toDouble(field, obj);
+ child = cxJsonCreateNumber(a, d);
+ } else if(field->toString) {
+ cxmutstr s = field->toString(field, obj, a);
+ if(s.ptr) {
+ // we don't want to copy the string again, therefore
+ // we can't use cxJsonCreateString
+ child = cxMalloc(a, sizeof(CxJsonValue));
+ if(!child) {
+ cxFree(a, s.ptr);
+ return NULL;
+ }
+ child->allocator = a;
+ child->type = CX_JSON_STRING;
+ child->value.string = s;
+ }
+ } else if(field->toBinary) {
+ // TODO
+ } else {
+ continue; // non-serializable field
+ }
+
+ if(!child) {
+ cxJsonValueFree(value);
+ return NULL;
+ }
+
+ if(cxJsonObjPut(value, field->name, child)) {
+ cxJsonValueFree(child);
+ cxJsonValueFree(value);
+ return NULL;
+ }
+ }
+
+ return value;
+}