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5fd979a8a3
After the refactor to make CTest use std::chrono::steady_clock for the keeping of time for test duration, there are still references to cmSystemTools::GetTime() left. To further adopt std::chrono for time related activities, this commit changes those remaining references to std::chrono::system_clock::now() calls and alters the storage from either unsigned int or double to std::chrono::system_clock::time_point. For ease of conversion, a converter method is added to cmXMLWriter that converts from a std::chrono::system_clock::time_point to the number of seconds since the UN*X epoch as that is expected behaviour. This means no more casts as required. Functionally should be no difference as the system_clock is implemented in the same terms.
137 lines
3.0 KiB
C++
137 lines
3.0 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 cmXMLWiter_h
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#define cmXMLWiter_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include "cmXMLSafe.h"
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#include <chrono>
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#include <ctime>
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#include <ostream>
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#include <stack>
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#include <string>
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#include <vector>
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class cmXMLWriter
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{
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CM_DISABLE_COPY(cmXMLWriter)
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public:
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cmXMLWriter(std::ostream& output, std::size_t level = 0);
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~cmXMLWriter();
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void StartDocument(const char* encoding = "UTF-8");
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void EndDocument();
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void StartElement(std::string const& name);
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void EndElement();
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void BreakAttributes();
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template <typename T>
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void Attribute(const char* name, T const& value)
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{
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this->PreAttribute();
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this->Output << name << "=\"" << SafeAttribute(value) << '"';
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}
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void Element(const char* name);
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template <typename T>
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void Element(std::string const& name, T const& value)
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{
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this->StartElement(name);
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this->Content(value);
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this->EndElement();
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}
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template <typename T>
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void Content(T const& content)
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{
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this->PreContent();
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this->Output << SafeContent(content);
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}
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void Comment(const char* comment);
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void CData(std::string const& data);
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void Doctype(const char* doctype);
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void ProcessingInstruction(const char* target, const char* data);
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void FragmentFile(const char* fname);
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void SetIndentationElement(std::string const& element);
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private:
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void ConditionalLineBreak(bool condition, std::size_t indent);
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void PreAttribute();
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void PreContent();
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void CloseStartElement();
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private:
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static cmXMLSafe SafeAttribute(const char* value)
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{
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return cmXMLSafe(value);
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}
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static cmXMLSafe SafeAttribute(std::string const& value)
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{
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return cmXMLSafe(value);
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}
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template <typename T>
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static T SafeAttribute(T value)
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{
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return value;
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}
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static cmXMLSafe SafeContent(const char* value)
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{
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return cmXMLSafe(value).Quotes(false);
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}
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static cmXMLSafe SafeContent(std::string const& value)
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{
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return cmXMLSafe(value).Quotes(false);
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}
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/*
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* Convert a std::chrono::system::time_point to the number of seconds since
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* the UN*X epoch.
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*
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* It would be tempting to convert a time_point to number of seconds by
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* using time_since_epoch(). Unfortunately the C++11 standard does not
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* specify what the epoch of the system_clock must be.
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* Therefore we must assume it is an arbitary point in time. Instead of this
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* method, it is recommended to convert it by means of the to_time_t method.
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*/
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static std::time_t SafeContent(
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std::chrono::system_clock::time_point const& value)
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{
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return std::chrono::system_clock::to_time_t(value);
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}
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template <typename T>
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static T SafeContent(T value)
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{
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return value;
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}
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private:
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std::ostream& Output;
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std::stack<std::string, std::vector<std::string>> Elements;
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std::string IndentationElement;
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std::size_t Level;
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bool ElementOpen;
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bool BreakAttrib;
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bool IsContent;
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};
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#endif
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