1 #ifndef DALI_JSON_PARSER_H
2 #define DALI_JSON_PARSER_H
5 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/object/base-handle.h>
28 #include <dali-toolkit/devel-api/builder/tree-node.h>
34 namespace Internal DALI_INTERNAL
42 class DALI_TOOLKIT_API JsonParser : public BaseHandle
49 static JsonParser New();
52 * Create new parser from the given tree
53 * This method will deep copy the given tree.
56 static JsonParser New(const TreeNode& tree);
66 * This is non-virtual since derived Handle types must not contain data or virtual methods.
71 * Downcast an Object handle to JsonParser if it is a JsonParser.
72 * @param[in] handle Handle to an object
73 * @return A handle to a JsonParser or an uninitialized handle
75 static JsonParser DownCast(BaseHandle handle);
78 * Parse the source and construct a node tree.
79 * Subsequent calls to this function will merge the trees.
80 * @param source The json source to parse
81 * @return true if parsed okay, otherwise an error.
83 bool Parse(const std::string& source);
86 * Optimize memory usage by packing strings
91 * Get the tree root node
93 const TreeNode* GetRoot() const;
96 * Get the parser error flag
97 * @return true if there was a parse error
99 bool ParseError() const;
102 * Get the last error position
103 * @return The character position of the most recent Parse() error
105 int GetErrorPosition() const;
108 * Get the last error description
109 * @return A string description of the error
111 std::string GetErrorDescription() const;
114 * Get the last error line number
115 * @return the line number of the most recent Parse() error.
117 int GetErrorLineNumber() const;
120 * Get the last error line number
121 * @return the line number of the most recent Parse() error.
123 int GetErrorColumn() const;
126 * Write to output stream with optional indent
127 * @param output The stream to write to
128 * @param indent The indent to use
130 void Write(std::ostream& output, int indent) const;
132 public: // Not intended for application developers
134 * This constructor is used by Dali New() methods
135 * @param [in] parser A pointer to a newly allocated Dali resource
137 explicit DALI_INTERNAL JsonParser(Internal::JsonParser* parser);
140 } // namespace Toolkit
144 #endif // DALI_JSON_PARSER_H