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#pragma once is a widely supported compiler pragma, even though it is not part of the C++ standard. Many of the issues keeping #pragma once from being standardized (distributed filesystems, build farms, hard links, etc.) do not apply to CMake - it is easy to build CMake on a single machine. CMake also does not install any header files which can be consumed by other projects (though cmCPluginAPI.h has been deliberately omitted from this conversion in case anyone is still using it.) Finally, #pragma once has been required to build CMake since at least August 2017 (7f29bbe6 enabled server mode unconditionally, which had been using #pragma once since September 2016 (b13d3e0d)). The fact that we now require C++11 filters out old compilers, and it is unlikely that there is a compiler which supports C++11 but does not support #pragma once.
105 lines
2.7 KiB
C++
105 lines
2.7 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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#pragma once
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <bitset>
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#include <iosfwd>
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#include <string>
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#include <cm/string_view>
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#include <stddef.h>
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class cmSlnData;
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class cmVisualStudioSlnParser
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{
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public:
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enum ParseResult
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{
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ResultOK = 0,
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ResultInternalError = -1,
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ResultExternalError = 1,
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ResultErrorOpeningInput = ResultExternalError,
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ResultErrorReadingInput,
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ResultErrorInputStructure,
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ResultErrorInputData,
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ResultErrorBadInternalState = ResultInternalError,
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ResultErrorUnsupportedDataGroup = ResultInternalError - 1
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};
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enum DataGroup
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{
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DataGroupProjectsBit,
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DataGroupProjectDependenciesBit,
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DataGroupSolutionConfigurationsBit,
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DataGroupProjectConfigurationsBit,
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DataGroupSolutionFiltersBit,
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DataGroupGenericGlobalSectionsBit,
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DataGroupCount
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};
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using DataGroupSet = std::bitset<DataGroupCount>;
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static const DataGroupSet DataGroupProjects;
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static const DataGroupSet DataGroupProjectDependencies;
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static const DataGroupSet DataGroupSolutionConfigurations;
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static const DataGroupSet DataGroupProjectConfigurations;
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static const DataGroupSet DataGroupSolutionFilters;
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static const DataGroupSet DataGroupGenericGlobalSections;
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static const DataGroupSet DataGroupAll;
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bool Parse(std::istream& input, cmSlnData& output,
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DataGroupSet dataGroups = DataGroupAll);
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bool ParseFile(const std::string& file, cmSlnData& output,
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DataGroupSet dataGroups = DataGroupAll);
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ParseResult GetParseResult() const;
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size_t GetParseResultLine() const;
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bool GetParseHadBOM() const;
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protected:
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class State;
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friend class State;
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class ParsedLine;
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struct ResultData
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{
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ParseResult Result;
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size_t ResultLine;
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bool HadBOM;
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ResultData();
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void Clear();
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void SetError(ParseResult error, size_t line);
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} LastResult;
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bool IsDataGroupSetSupported(DataGroupSet dataGroups) const;
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bool ParseImpl(std::istream& input, cmSlnData& output, State& state);
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bool ParseBOM(std::istream& input, std::string& line, State& state);
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bool ParseMultiValueTag(const std::string& line, ParsedLine& parsedLine,
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State& state);
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bool ParseSingleValueTag(const std::string& line, ParsedLine& parsedLine,
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State& state);
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bool ParseKeyValuePair(const std::string& line, ParsedLine& parsedLine,
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State& state);
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bool ParseTag(cm::string_view fullTag, ParsedLine& parsedLine, State& state);
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bool ParseValue(const std::string& value, ParsedLine& parsedLine);
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};
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