1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #pragma once
27 #include <vector>
28 #include <cstring>
29 #include <iostream>
30 #include <iomanip>
31 #include "cursor.h"
32
33
34 struct Schema {
35 struct Node {
36
37 Node *parent;
38 const char *type;
39
40 std::vector<Node *> children;
41
42 Node(Node *parent, const char* type):parent(parent), type(type) {
43 }
44
45 Node *addChild(Cursor *cursor, Node *child) {
46 children.push_back(child);
47 return child->parse(cursor);
48 }
49
50 virtual Node *parse(Cursor *cursor) {
51 cursor->error(std::cerr, __FILE__, __LINE__, "In Node virtual parse!");
52 return nullptr;
53 };
54
55 virtual ~Node() = default;
56 };
57
58
59
60 struct Array : public Node {
61 bool flexible;
62 long elementCount;
63 char *elementName;
64 Node *elementType;
65
66 Array(Node *paren): Node(paren, "Array"), flexible(false), elementCount(0), elementName(nullptr), elementType(nullptr) {
67 }
68
69 Array *parse(Cursor *cursor) override;
70
71 ~Array() override {
72 if (elementType) {
73 delete elementType;
74 }
75 if (elementName) {
76 delete[] elementName;
77 }
78 }
79 };
80
81 struct AbstractNamedNode : public Node {
82 char *name;
83 Node *typeNode;
84
85 AbstractNamedNode(Node *parent, const char *type, char *name): Node(parent, type), name(name), typeNode(nullptr) {
86 }
87
88 ~AbstractNamedNode() {
89 if (name) {
90 delete[] name;
91 }
92
93 if (typeNode) {
94 delete typeNode;
95 }
96 }
97 };
98 struct FieldNode : public AbstractNamedNode {
99 char *typeName;
100 FieldNode(Node *paren, char *name)
101 : AbstractNamedNode(paren, "FieldNode", name), typeName(nullptr) {
102 }
103
104 FieldNode *parse(Cursor *cursor) override ;
105
106 ~FieldNode() override {
107 if (typeName) {
108 delete[] name;
109 }
110 }
111 };
112
113 struct AbstractStructOrUnionNode : public AbstractNamedNode {
114 char separator;
115 char terminator;
116
117
118 AbstractStructOrUnionNode(Node *parent, const char *type, char separator, char terminator, char *name)
119 : AbstractNamedNode(parent, type, name), separator(separator), terminator(terminator) {
120
121 }
122
123 AbstractStructOrUnionNode *parse(Cursor *cursor) override;
124
125 ~AbstractStructOrUnionNode() override =default;
126 };
127
128 struct UnionNode : public AbstractStructOrUnionNode {
129 UnionNode(Node *parent, char *name)
130 : AbstractStructOrUnionNode(parent, "UnionNode", '|', '>', name) {
131 }
132
133 UnionNode *parse(Cursor *cursor) override;
134
135 ~UnionNode() override =default;
136 };
137
138 struct StructNode : public AbstractStructOrUnionNode {
139 StructNode(Node *parent, const char *type, char *name)
140 : AbstractStructOrUnionNode(parent,type, ',', '}', name) {
141 }
142 StructNode(Node *parent, char *name)
143 : StructNode(parent, "StructNode", name) {
144 }
145 StructNode *parse(Cursor *cursor) override ;
146 ~StructNode() override =default;
147 };
148
149 struct ArgStructNode : public StructNode {
150 bool complete;
151 explicit ArgStructNode(Node *parent, bool complete, char *name)
152 : StructNode(parent, "ArgStructNode", name), complete(complete) {
153 }
154 //virtual StructNode *parse(Cursor *cursor) ;
155 ~ArgStructNode() override =default;
156 };
157
158
159 struct ArgNode : public Node {
160 int idx;
161 ArgNode(Node *parent, int idx)
162 : Node(parent, "ArgNode"), idx(idx) {
163 }
164
165 ArgNode *parse(Cursor *cursor) override;
166
167 virtual ~ArgNode() =default;
168 };
169
170 struct SchemaNode : public Node {
171 SchemaNode()
172 : Node(nullptr, "Schema") {
173 }
174
175 virtual SchemaNode *parse(Cursor *cursor);
176
177 virtual ~SchemaNode() =default;
178 };
179
180 static void show(std::ostream &out, char *schema);
181 static void show(std::ostream &out, int depth, Node* node);
182 static void show(std::ostream &out, SchemaNode* schemaNode);
183 };