
#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.
35 lines
939 B
C++
35 lines
939 B
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 <iosfwd>
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#include <string>
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/** \class cmXMLSafe
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* \brief Write strings to XML with proper escapes
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*/
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class cmXMLSafe
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{
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public:
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/** Construct with the data to be written. This assumes the data
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will exist for the duration of this object's life. */
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cmXMLSafe(const char* s);
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cmXMLSafe(std::string const& s);
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/** Specify whether to escape quotes too. This is needed when
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writing the content of an attribute value. By default quotes
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are escaped. */
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cmXMLSafe& Quotes(bool b = true);
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/** Get the escaped data as a string. */
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std::string str();
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private:
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char const* Data;
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unsigned long Size;
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bool DoQuotes;
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friend std::ostream& operator<<(std::ostream&, cmXMLSafe const&);
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};
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