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Run the `clang-format.bash` script to update all our C and C++ code to a new style defined by `.clang-format`. Use `clang-format` version 6.0. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmProcessOutput_h
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#define cmProcessOutput_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <stddef.h>
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#include <string>
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#include <vector>
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/** \class cmProcessOutput
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* \brief Decode text data to internal encoding.
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*
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* cmProcessOutput is used to decode text output from external process
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* using external encoding to our internal encoding.
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*/
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class cmProcessOutput
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{
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public:
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enum Encoding
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{
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None,
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Auto,
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UTF8,
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ANSI,
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OEM
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};
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/**
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* Find encoding enum value for given encoding \a name.
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* \param name a encoding name.
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* \return encoding enum value or Auto if \a name was not found.
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*/
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static Encoding FindEncoding(std::string const& name);
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/// The code page that is used as internal encoding to which we will encode.
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static unsigned int defaultCodepage;
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/**
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* A class constructor.
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* \param encoding external process encoding from which we will decode.
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* \param maxSize a maximal size for process output buffer. It should match
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* to KWSYSPE_PIPE_BUFFER_SIZE. If text we decode is same size as \a maxSize
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* then we will check for incomplete character at end of buffer and
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* we will not return last incomplete character. This character will be
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* returned with next DecodeText() call. To disable this behavior specify
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* 0 as \a maxSize.
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*/
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cmProcessOutput(Encoding encoding = Auto, unsigned int maxSize = 1024);
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~cmProcessOutput();
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/**
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* Decode \a raw string using external encoding to internal
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* encoding in \a decoded.
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* \a id specifies which internal buffer to use. This is important when we
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* are decoding both stdout and stderr from process output and we need to
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* keep incomplete characters in separate buffers for each stream.
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* \return true if successfully decoded \a raw to \a decoded or false if not.
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*/
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bool DecodeText(std::string raw, std::string& decoded, size_t id = 0);
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/**
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* Decode \a data with \a length from external encoding to internal
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* encoding in \a decoded.
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* \param data a pointer to process output text data.
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* \param length a size of data buffer.
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* \param decoded a string which will contain decoded text.
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* \param id an internal buffer id to use.
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* \return true if successfully decoded \a data to \a decoded or false if
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* not.
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*/
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bool DecodeText(const char* data, size_t length, std::string& decoded,
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size_t id = 0);
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/**
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* \overload
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*/
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bool DecodeText(std::vector<char> raw, std::vector<char>& decoded,
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size_t id = 0);
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private:
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#if defined(_WIN32)
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unsigned int codepage;
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unsigned int bufferSize;
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std::vector<std::string> rawparts;
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bool DoDecodeText(std::string raw, std::string& decoded, wchar_t* lastChar);
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#endif
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};
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#endif
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