1 // Tencent is pleased to support the open source community by making RapidJSON available.
3 // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
5 // Licensed under the MIT License (the "License"); you may not use this file except
6 // in compliance with the License. You may obtain a copy of the License at
8 // http://opensource.org/licenses/MIT
10 // Unless required by applicable law or agreed to in writing, software distributed
11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
13 // specific language governing permissions and limitations under the License.
15 #ifndef RAPIDJSON_CURSORSTREAMWRAPPER_H_
16 #define RAPIDJSON_CURSORSTREAMWRAPPER_H_
22 RAPIDJSON_DIAG_OFF(effc++)
25 #if defined(_MSC_VER) && _MSC_VER <= 1800
27 RAPIDJSON_DIAG_OFF(4702) // unreachable code
28 RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
31 RAPIDJSON_NAMESPACE_BEGIN
34 //! Cursor stream wrapper for counting line and column number if error exists.
36 \tparam InputStream Any stream that implements Stream Concept
38 template <typename InputStream, typename Encoding = UTF8<> >
39 class CursorStreamWrapper : public GenericStreamWrapper<InputStream, Encoding> {
41 typedef typename Encoding::Ch Ch;
43 CursorStreamWrapper(InputStream& is):
44 GenericStreamWrapper<InputStream, Encoding>(is), line_(1), col_(0) {}
46 // counting line and column number
48 Ch ch = this->is_.Take();
58 //! Get the error line number, if error exists.
59 size_t GetLine() const { return line_; }
60 //! Get the error column number, if error exists.
61 size_t GetColumn() const { return col_; }
64 size_t line_; //!< Current Line
65 size_t col_; //!< Current Column
68 #if defined(_MSC_VER) && _MSC_VER <= 1800
76 RAPIDJSON_NAMESPACE_END
78 #endif // RAPIDJSON_CURSORSTREAMWRAPPER_H_