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src/ccutil/tesserrstream.h
68 строк
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Stefan Weil
Add TESS_API in declaration for tesserr (fix sw build)
03 сен 2024, 18:31
03 сен 2024, 18:31
37d1c65
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// File: tesserrstream.h // Description: C++ stream which enhances tprintf // Author: Stefan Weil // // (C) Copyright 2024 // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef TESSERACT_CCUTIL_TESSERRSTREAM_H #define TESSERACT_CCUTIL_TESSERRSTREAM_H #include "tprintf.h" #include <tesseract/export.h> // for TESS_API #include <ostream> // for std::ostream namespace tesseract { class TessStreamBuf : public std::streambuf { public: TessStreamBuf() = default; protected: virtual int_type overflow(int_type c) override { if (c != EOF) { if (debugfp == nullptr) { debugfp = get_debugfp(); } if (fputc(c, debugfp) == EOF) { return EOF; } } return c; } virtual std::streamsize xsputn(const char* s, std::streamsize n) override { if (debugfp == nullptr) { debugfp = get_debugfp(); } return fwrite(s, 1, n, debugfp); } private: FILE *debugfp = nullptr; }; class TessErrStream : public std::ostream { private: TessStreamBuf buf; public: TessErrStream() : std::ostream(nullptr), buf() { rdbuf(&buf); } }; extern TESS_API TessErrStream tesserr; } // namespace tesseract #endif // TESSERACT_CCUTIL_TESSERRSTREAM_H