Metahuman_DNA_Calibration/docs/doxygen/build/xml/MemoryMappedFileStreamWindows_8cpp.xml

<?xml version='1.0' encoding='UTF-8' standalone='no'?>
<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="compound.xsd" version="1.9.4" xml:lang="en-US">
  <compounddef id="MemoryMappedFileStreamWindows_8cpp" kind="file" language="C++">
    <compoundname>MemoryMappedFileStreamWindows.cpp</compoundname>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <programlisting>
<codeline lineno="1"><highlight class="comment">//<sp/>Copyright<sp/>Epic<sp/>Games,<sp/>Inc.<sp/>All<sp/>Rights<sp/>Reserved.</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="2"><highlight class="normal"></highlight></codeline>
<codeline lineno="3"><highlight class="normal"></highlight><highlight class="comment">//<sp/>*INDENT-OFF*</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="4"><highlight class="normal"></highlight><highlight class="preprocessor">#ifdef<sp/>TRIO_WINDOWS_FILE_MAPPING_AVAILABLE</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="5"><highlight class="normal"></highlight></codeline>
<codeline lineno="6"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="MemoryMappedFileStreamWindows_8h" kindref="compound">trio/streams/MemoryMappedFileStreamWindows.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="7"><highlight class="normal"></highlight></codeline>
<codeline lineno="8"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="NativeString_8h" kindref="compound">trio/utils/NativeString.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="9"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="trio_2utils_2ScopedEnumEx_8h" kindref="compound">trio/utils/ScopedEnumEx.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="10"><highlight class="normal"></highlight></codeline>
<codeline lineno="11"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;<ref refid="PolyAllocator_8h" kindref="compound">pma/PolyAllocator.h</ref>&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="12"><highlight class="normal"></highlight></codeline>
<codeline lineno="13"><highlight class="normal"></highlight><highlight class="preprocessor">#ifdef<sp/>_MSC_VER</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="14"><highlight class="normal"></highlight><highlight class="preprocessor"><sp/><sp/><sp/><sp/>#pragma<sp/>warning(push)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="15"><highlight class="normal"></highlight><highlight class="preprocessor"><sp/><sp/><sp/><sp/>#pragma<sp/>warning(disable<sp/>:<sp/>4365<sp/>4987)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="16"><highlight class="normal"></highlight><highlight class="preprocessor">#endif</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="17"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;algorithm&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="18"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;cassert&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="19"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;cstddef&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="20"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;cstdint&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;cstring&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="22"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;ios&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;limits&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;type_traits&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight><highlight class="preprocessor">#ifdef<sp/>_MSC_VER</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="preprocessor"><sp/><sp/><sp/><sp/>#pragma<sp/>warning(pop)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight><highlight class="preprocessor">#endif</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal"><ref refid="namespacetrio" kindref="compound">trio</ref><sp/>{</highlight></codeline>
<codeline lineno="30"><highlight class="normal"></highlight></codeline>
<codeline lineno="31"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="32"><highlight class="normal"></highlight></codeline>
<codeline lineno="33"><highlight class="normal"></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>std::size_t<sp/>minViewSizeWindows<sp/>=<sp/>65536ul;</highlight></codeline>
<codeline lineno="34"><highlight class="normal"></highlight></codeline>
<codeline lineno="35"><highlight class="normal"></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/>std::uint64_t<sp/>getFileSizeWindows(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="namespacetrio_1a7e7ab95bc38e14fb710084dbee394dad" kindref="member">NativeCharacter</ref>*<sp/>path)<sp/>{</highlight></codeline>
<codeline lineno="36"><highlight class="normal"><sp/><sp/><sp/><sp/>WIN32_FILE_ATTRIBUTE_DATA<sp/>w32fad;</highlight></codeline>
<codeline lineno="37"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(GetFileAttributesEx(path,<sp/>GetFileExInfoStandard,<sp/>&amp;w32fad)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="38"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="39"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="40"><highlight class="normal"><sp/><sp/><sp/><sp/>ULARGE_INTEGER<sp/>size;</highlight></codeline>
<codeline lineno="41"><highlight class="normal"><sp/><sp/><sp/><sp/>size.HighPart<sp/>=<sp/>w32fad.nFileSizeHigh;</highlight></codeline>
<codeline lineno="42"><highlight class="normal"><sp/><sp/><sp/><sp/>size.LowPart<sp/>=<sp/>w32fad.nFileSizeLow;</highlight></codeline>
<codeline lineno="43"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::uint64_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(size.QuadPart);</highlight></codeline>
<codeline lineno="44"><highlight class="normal">}</highlight></codeline>
<codeline lineno="45"><highlight class="normal"></highlight></codeline>
<codeline lineno="46"><highlight class="normal"></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/>std::uint64_t<sp/>getPageSizeWindows()<sp/>{</highlight></codeline>
<codeline lineno="47"><highlight class="normal"><sp/><sp/><sp/><sp/>SYSTEM_INFO<sp/>SystemInfo;</highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/><sp/><sp/>GetSystemInfo(&amp;SystemInfo);</highlight></codeline>
<codeline lineno="49"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>SystemInfo.dwAllocationGranularity;</highlight></codeline>
<codeline lineno="50"><highlight class="normal">}</highlight></codeline>
<codeline lineno="51"><highlight class="normal"></highlight></codeline>
<codeline lineno="52"><highlight class="normal"></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/>std::uint64_t<sp/>alignOffsetWindows(std::uint64_t<sp/>offset)<sp/>{</highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::uint64_t<sp/>pageSize<sp/>=<sp/>getPageSizeWindows();</highlight></codeline>
<codeline lineno="54"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>offset<sp/>/<sp/>pageSize<sp/>*<sp/>pageSize;</highlight></codeline>
<codeline lineno="55"><highlight class="normal">}</highlight></codeline>
<codeline lineno="56"><highlight class="normal"></highlight></codeline>
<codeline lineno="57"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal">MemoryReaderWindows<sp/>:<sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/>Readable<sp/>{</highlight></codeline>
<codeline lineno="58"><highlight class="normal"></highlight><highlight class="keyword">public</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="59"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">explicit</highlight><highlight class="normal"><sp/>MemoryReaderWindows(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>source_)<sp/>:<sp/>source{source_}<sp/>{}</highlight></codeline>
<codeline lineno="60"><highlight class="normal"></highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>read(</highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>destination,<sp/>std::size_t<sp/>size)</highlight><highlight class="keyword"><sp/>override<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>CopyMemory(destination,<sp/>source,<sp/>size);</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>source<sp/>+=<sp/>size;</highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>size;</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="66"><highlight class="normal"></highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>read(Writable*<sp/>destination,<sp/>std::size_t<sp/>size)</highlight><highlight class="keyword"><sp/>override<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="68"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>destination-&gt;write(source,<sp/>size);</highlight></codeline>
<codeline lineno="69"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>source<sp/>+=<sp/>size;</highlight></codeline>
<codeline lineno="70"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>size;</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="72"><highlight class="normal"></highlight></codeline>
<codeline lineno="73"><highlight class="normal"></highlight><highlight class="keyword">private</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="74"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>source;</highlight></codeline>
<codeline lineno="75"><highlight class="normal">};</highlight></codeline>
<codeline lineno="76"><highlight class="normal"></highlight></codeline>
<codeline lineno="77"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal">MemoryWriterWindows<sp/>:<sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/>Writable<sp/>{</highlight></codeline>
<codeline lineno="78"><highlight class="normal"></highlight><highlight class="keyword">public</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">explicit</highlight><highlight class="normal"><sp/>MemoryWriterWindows(</highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>destination_)<sp/>:<sp/>destination{destination_}<sp/>{}</highlight></codeline>
<codeline lineno="80"><highlight class="normal"></highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>write(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>source,<sp/>std::size_t<sp/>size)</highlight><highlight class="keyword"><sp/>override<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>CopyMemory(destination,<sp/>source,<sp/>size);</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>destination<sp/>+=<sp/>size;</highlight></codeline>
<codeline lineno="84"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>size;</highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="86"><highlight class="normal"></highlight></codeline>
<codeline lineno="87"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>write(Readable*<sp/>source,<sp/>std::size_t<sp/>size)</highlight><highlight class="keyword"><sp/>override<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="88"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>source-&gt;read(destination,<sp/>size);</highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>destination<sp/>+=<sp/>size;</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>size;</highlight></codeline>
<codeline lineno="91"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="92"><highlight class="normal"></highlight></codeline>
<codeline lineno="93"><highlight class="normal"></highlight><highlight class="keyword">private</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="94"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>destination;</highlight></codeline>
<codeline lineno="95"><highlight class="normal">};</highlight></codeline>
<codeline lineno="96"><highlight class="normal"></highlight></codeline>
<codeline lineno="97"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="98"><highlight class="normal"></highlight></codeline>
<codeline lineno="99"><highlight class="normal">MemoryMappedFileStreamWindows::MemoryMappedFileStreamWindows(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>path_,<sp/><ref refid="namespacetrio_1a4b77aebe484e434a3112e66b70acd116" kindref="member">AccessMode</ref><sp/>accessMode_,<sp/>MemoryResource*<sp/>memRes_)<sp/>:</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/>filePath{<ref refid="namespacetrio_1a40b2e50fccab9373724e079b4a1da7a0" kindref="member">NativeStringConverter</ref>::from(path_,<sp/>memRes_)},</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/><sp/><sp/>fileAccessMode{accessMode_},</highlight></codeline>
<codeline lineno="102"><highlight class="normal"><sp/><sp/><sp/><sp/>memRes{memRes_},</highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/><sp/><sp/>file{INVALID_HANDLE_VALUE},</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/><sp/><sp/>mapping{nullptr},</highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/><sp/><sp/>data{nullptr},</highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/><sp/><sp/>position{},</highlight></codeline>
<codeline lineno="107"><highlight class="normal"><sp/><sp/><sp/><sp/>fileSize{getFileSizeWindows(filePath.c_str())},</highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/>viewOffset{},</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/>viewSize{},</highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/><sp/><sp/>delayedMapping{false},</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/><sp/><sp/>dirty{false}<sp/>{</highlight></codeline>
<codeline lineno="112"><highlight class="normal">}</highlight></codeline>
<codeline lineno="113"><highlight class="normal"></highlight></codeline>
<codeline lineno="114"><highlight class="normal">MemoryMappedFileStreamWindows::~MemoryMappedFileStreamWindows()<sp/>{</highlight></codeline>
<codeline lineno="115"><highlight class="normal"><sp/><sp/><sp/><sp/>delayedMapping<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="116"><highlight class="normal"><sp/><sp/><sp/><sp/>flush();</highlight></codeline>
<codeline lineno="117"><highlight class="normal"><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="118"><highlight class="normal"><sp/><sp/><sp/><sp/>closeFile();</highlight></codeline>
<codeline lineno="119"><highlight class="normal">}</highlight></codeline>
<codeline lineno="120"><highlight class="normal"></highlight></codeline>
<codeline lineno="121"><highlight class="normal">MemoryResource*<sp/>MemoryMappedFileStreamWindows::getMemoryResource()<sp/>{</highlight></codeline>
<codeline lineno="122"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>memRes;</highlight></codeline>
<codeline lineno="123"><highlight class="normal">}</highlight></codeline>
<codeline lineno="124"><highlight class="normal"></highlight></codeline>
<codeline lineno="125"><highlight class="normal">std::uint64_t<sp/>MemoryMappedFileStreamWindows::size()<sp/>{</highlight></codeline>
<codeline lineno="126"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>fileSize;</highlight></codeline>
<codeline lineno="127"><highlight class="normal">}</highlight></codeline>
<codeline lineno="128"><highlight class="normal"></highlight></codeline>
<codeline lineno="129"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::open()<sp/>{</highlight></codeline>
<codeline lineno="130"><highlight class="normal"><sp/><sp/><sp/><sp/>status-&gt;reset();</highlight></codeline>
<codeline lineno="131"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(file<sp/>!=<sp/>INVALID_HANDLE_VALUE)<sp/>{</highlight></codeline>
<codeline lineno="132"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(AlreadyOpenError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="133"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="134"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="135"><highlight class="normal"></highlight></codeline>
<codeline lineno="136"><highlight class="normal"><sp/><sp/><sp/><sp/>delayedMapping<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="137"><highlight class="normal"></highlight></codeline>
<codeline lineno="138"><highlight class="normal"><sp/><sp/><sp/><sp/>openFile();</highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(file<sp/>==<sp/>INVALID_HANDLE_VALUE)<sp/>{</highlight></codeline>
<codeline lineno="140"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(OpenError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="141"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="142"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="143"><highlight class="normal"></highlight></codeline>
<codeline lineno="144"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Retrieve<sp/>file<sp/>size</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="145"><highlight class="normal"><sp/><sp/><sp/><sp/>LARGE_INTEGER<sp/>size{};</highlight></codeline>
<codeline lineno="146"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(GetFileSizeEx(file,<sp/>&amp;size)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="147"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>fileSize<sp/>=<sp/>0ul;</highlight></codeline>
<codeline lineno="148"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>closeFile();</highlight></codeline>
<codeline lineno="149"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(OpenError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="150"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="151"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="152"><highlight class="normal"></highlight></codeline>
<codeline lineno="153"><highlight class="normal"><sp/><sp/><sp/><sp/>fileSize<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::uint64_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(size.QuadPart);</highlight></codeline>
<codeline lineno="154"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Mapping<sp/>of<sp/>0-length<sp/>files<sp/>is<sp/>delayed<sp/>until<sp/>the<sp/>file<sp/>is<sp/>resized<sp/>to<sp/>a<sp/>non-zero<sp/>size.</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="155"><highlight class="normal"><sp/><sp/><sp/><sp/>delayedMapping<sp/>=<sp/>(fileSize<sp/>==<sp/>0ul);</highlight></codeline>
<codeline lineno="156"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(delayedMapping)<sp/>{</highlight></codeline>
<codeline lineno="157"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="158"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="159"><highlight class="normal"></highlight></codeline>
<codeline lineno="160"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Create<sp/>file<sp/>mapping</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="161"><highlight class="normal"><sp/><sp/><sp/><sp/>mapFile(0ul,<sp/>fileSize);</highlight></codeline>
<codeline lineno="162"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="163"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(OpenError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="164"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>delayedMapping<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="165"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="166"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>closeFile();</highlight></codeline>
<codeline lineno="167"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="168"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="169"><highlight class="normal"></highlight></codeline>
<codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/>seek(0ul);</highlight></codeline>
<codeline lineno="171"><highlight class="normal"><sp/><sp/><sp/><sp/>dirty<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="172"><highlight class="normal">}</highlight></codeline>
<codeline lineno="173"><highlight class="normal"></highlight></codeline>
<codeline lineno="174"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::close()<sp/>{</highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/><sp/><sp/>delayedMapping<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="176"><highlight class="normal"></highlight></codeline>
<codeline lineno="177"><highlight class="normal"><sp/><sp/><sp/><sp/>flush();</highlight></codeline>
<codeline lineno="178"><highlight class="normal"><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="179"><highlight class="normal"><sp/><sp/><sp/><sp/>closeFile();</highlight></codeline>
<codeline lineno="180"><highlight class="normal">}</highlight></codeline>
<codeline lineno="181"><highlight class="normal"></highlight></codeline>
<codeline lineno="182"><highlight class="normal">std::uint64_t<sp/>MemoryMappedFileStreamWindows::tell()<sp/>{</highlight></codeline>
<codeline lineno="183"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>position;</highlight></codeline>
<codeline lineno="184"><highlight class="normal">}</highlight></codeline>
<codeline lineno="185"><highlight class="normal"></highlight></codeline>
<codeline lineno="186"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::seek(std::uint64_t<sp/>position_)<sp/>{</highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>seekable<sp/>=<sp/>((position_<sp/>==<sp/>0ul)<sp/>||<sp/>(position_<sp/>&lt;=<sp/>size()))<sp/>&amp;&amp;<sp/>(data<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="188"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!seekable)<sp/>{</highlight></codeline>
<codeline lineno="189"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(SeekError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="192"><highlight class="normal"></highlight></codeline>
<codeline lineno="193"><highlight class="normal"><sp/><sp/><sp/><sp/>position<sp/>=<sp/>position_;</highlight></codeline>
<codeline lineno="194"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((position<sp/>&lt;<sp/>viewOffset)<sp/>||<sp/>(position<sp/>&gt;=<sp/>(viewOffset<sp/>+<sp/>viewSize)))<sp/>{</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>flush();</highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(dirty)<sp/>{</highlight></codeline>
<codeline lineno="197"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="198"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="199"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="200"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>mapFile(position,<sp/>fileSize<sp/>-<sp/>position);</highlight></codeline>
<codeline lineno="201"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="202"><highlight class="normal">}</highlight></codeline>
<codeline lineno="203"><highlight class="normal"></highlight></codeline>
<codeline lineno="204"><highlight class="normal">std::size_t<sp/>MemoryMappedFileStreamWindows::read(</highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>destination,<sp/>std::size_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="205"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(destination<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="206"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(ReadError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="207"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="208"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="209"><highlight class="normal"></highlight></codeline>
<codeline lineno="210"><highlight class="normal"><sp/><sp/><sp/><sp/>MemoryWriterWindows<sp/>writer{destination};</highlight></codeline>
<codeline lineno="211"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>read(&amp;writer,<sp/>size);</highlight></codeline>
<codeline lineno="212"><highlight class="normal">}</highlight></codeline>
<codeline lineno="213"><highlight class="normal"></highlight></codeline>
<codeline lineno="214"><highlight class="normal">std::size_t<sp/>MemoryMappedFileStreamWindows::read(Writable*<sp/>destination,<sp/>std::size_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="215"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((destination<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>||<sp/>!<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Read))<sp/>{</highlight></codeline>
<codeline lineno="216"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(ReadError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="217"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="218"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="219"><highlight class="normal"></highlight></codeline>
<codeline lineno="220"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="221"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!delayedMapping)<sp/>{</highlight></codeline>
<codeline lineno="222"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(ReadError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="223"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="224"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="225"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="226"><highlight class="normal"></highlight></codeline>
<codeline lineno="227"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::uint64_t<sp/>bytesAvailable<sp/>=<sp/>fileSize<sp/>-<sp/>position;</highlight></codeline>
<codeline lineno="228"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>bytesToRead<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(std::min(</highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::uint64_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(size),<sp/>bytesAvailable));</highlight></codeline>
<codeline lineno="229"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>bytesRead<sp/>=<sp/>0ul;</highlight></codeline>
<codeline lineno="230"><highlight class="normal"></highlight></codeline>
<codeline lineno="231"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(bytesRead<sp/>!=<sp/>bytesToRead)<sp/>{</highlight></codeline>
<codeline lineno="232"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>bytesRemaining<sp/>=<sp/>bytesToRead<sp/>-<sp/>bytesRead;</highlight></codeline>
<codeline lineno="233"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::size_t<sp/>viewPosition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(position<sp/>-<sp/>viewOffset);</highlight></codeline>
<codeline lineno="234"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::size_t<sp/>bytesReadable<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(viewSize<sp/>-<sp/>viewPosition);</highlight></codeline>
<codeline lineno="235"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>If<sp/>the<sp/>view<sp/>is<sp/>exhausted<sp/>during<sp/>reading,<sp/>remap<sp/>a<sp/>new<sp/>view<sp/>till<sp/>the<sp/>end<sp/>of<sp/>file<sp/>if<sp/>possible,</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="236"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>starting<sp/>at<sp/>the<sp/>current<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="237"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(bytesReadable<sp/>==<sp/>0ul)<sp/>{</highlight></codeline>
<codeline lineno="238"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="239"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>mapFile(position,<sp/>fileSize<sp/>-<sp/>position);</highlight></codeline>
<codeline lineno="240"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="241"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Failed<sp/>to<sp/>map<sp/>new<sp/>view</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="242"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(ReadError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="243"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="244"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="245"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>viewPosition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(position<sp/>-<sp/>viewOffset);</highlight></codeline>
<codeline lineno="246"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>bytesReadable<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(viewSize<sp/>-<sp/>viewPosition);</highlight></codeline>
<codeline lineno="247"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="248"><highlight class="normal"></highlight></codeline>
<codeline lineno="249"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>chunkSize<sp/>=<sp/>std::min(bytesRemaining,<sp/>bytesReadable);</highlight></codeline>
<codeline lineno="250"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>chunkCopied<sp/>=<sp/>destination-&gt;write(</highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(data)<sp/>+<sp/>viewPosition,<sp/>chunkSize);</highlight></codeline>
<codeline lineno="251"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>bytesRead<sp/>+=<sp/>chunkCopied;</highlight></codeline>
<codeline lineno="252"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>position<sp/>+=<sp/>chunkCopied;</highlight></codeline>
<codeline lineno="253"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="254"><highlight class="normal"></highlight></codeline>
<codeline lineno="255"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>bytesRead;</highlight></codeline>
<codeline lineno="256"><highlight class="normal">}</highlight></codeline>
<codeline lineno="257"><highlight class="normal"></highlight></codeline>
<codeline lineno="258"><highlight class="normal">std::size_t<sp/>MemoryMappedFileStreamWindows::write(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*<sp/>source,<sp/>std::size_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="259"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(source<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="260"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="261"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="262"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="263"><highlight class="normal"></highlight></codeline>
<codeline lineno="264"><highlight class="normal"><sp/><sp/><sp/><sp/>MemoryReaderWindows<sp/>reader{source};</highlight></codeline>
<codeline lineno="265"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>write(&amp;reader,<sp/>size);</highlight></codeline>
<codeline lineno="266"><highlight class="normal">}</highlight></codeline>
<codeline lineno="267"><highlight class="normal"></highlight></codeline>
<codeline lineno="268"><highlight class="normal">std::size_t<sp/>MemoryMappedFileStreamWindows::write(Readable*<sp/>source,<sp/>std::size_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="269"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((source<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>||<sp/>!<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Write))<sp/>{</highlight></codeline>
<codeline lineno="270"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="271"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="272"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="273"><highlight class="normal"></highlight></codeline>
<codeline lineno="274"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>&amp;&amp;<sp/>!delayedMapping)<sp/>{</highlight></codeline>
<codeline lineno="275"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="276"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="277"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="278"><highlight class="normal"></highlight></codeline>
<codeline lineno="279"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(size<sp/>==<sp/>0ul)<sp/>{</highlight></codeline>
<codeline lineno="280"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="281"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="282"><highlight class="normal"></highlight></codeline>
<codeline lineno="283"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(position<sp/>+<sp/>size<sp/>&gt;<sp/>fileSize)<sp/>{</highlight></codeline>
<codeline lineno="284"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>resize(position<sp/>+<sp/>size);</highlight></codeline>
<codeline lineno="285"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(fileSize<sp/>!=<sp/>(position<sp/>+<sp/>size))<sp/>{</highlight></codeline>
<codeline lineno="286"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Resize<sp/>not<sp/>successful<sp/>(resize<sp/>sets<sp/>status<sp/>in<sp/>such<sp/>cases)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="287"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0ul;</highlight></codeline>
<codeline lineno="288"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="289"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="290"><highlight class="normal"></highlight></codeline>
<codeline lineno="291"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>bytesWritten<sp/>=<sp/>0ul;</highlight></codeline>
<codeline lineno="292"><highlight class="normal"></highlight></codeline>
<codeline lineno="293"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(bytesWritten<sp/>!=<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="294"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>bytesRemaining<sp/>=<sp/>size<sp/>-<sp/>bytesWritten;</highlight></codeline>
<codeline lineno="295"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::size_t<sp/>viewPosition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(position<sp/>-<sp/>viewOffset);</highlight></codeline>
<codeline lineno="296"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::size_t<sp/>bytesWritable<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(viewSize<sp/>-<sp/>viewPosition);</highlight></codeline>
<codeline lineno="297"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>If<sp/>the<sp/>view<sp/>is<sp/>exhausted<sp/>during<sp/>writing,<sp/>remap<sp/>a<sp/>new<sp/>view<sp/>till<sp/>the<sp/>end<sp/>of<sp/>file<sp/>if<sp/>possible,</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="298"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>starting<sp/>at<sp/>the<sp/>current<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="299"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(bytesWritable<sp/>==<sp/>0ul)<sp/>{</highlight></codeline>
<codeline lineno="300"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>flush();</highlight></codeline>
<codeline lineno="301"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(dirty)<sp/>{</highlight></codeline>
<codeline lineno="302"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="303"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="304"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="305"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>mapFile(position,<sp/>fileSize<sp/>-<sp/>position);</highlight></codeline>
<codeline lineno="306"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="307"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Failed<sp/>to<sp/>map<sp/>new<sp/>view</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="308"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="309"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="310"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="311"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>viewPosition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(position<sp/>-<sp/>viewOffset);</highlight></codeline>
<codeline lineno="312"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>bytesWritable<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(viewSize<sp/>-<sp/>viewPosition);</highlight></codeline>
<codeline lineno="313"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="314"><highlight class="normal"></highlight></codeline>
<codeline lineno="315"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>chunkSize<sp/>=<sp/>std::min(bytesRemaining,<sp/>bytesWritable);</highlight></codeline>
<codeline lineno="316"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::size_t<sp/>chunkCopied<sp/>=<sp/>source-&gt;read(</highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="keywordtype">char</highlight><highlight class="normal">*</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(data)<sp/>+<sp/>viewPosition,<sp/>chunkSize);</highlight></codeline>
<codeline lineno="317"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>bytesWritten<sp/>+=<sp/>chunkCopied;</highlight></codeline>
<codeline lineno="318"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>position<sp/>+=<sp/>chunkCopied;</highlight></codeline>
<codeline lineno="319"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="320"><highlight class="normal"></highlight></codeline>
<codeline lineno="321"><highlight class="normal"><sp/><sp/><sp/><sp/>dirty<sp/>=<sp/>(bytesWritten<sp/>&gt;<sp/>0ul);</highlight></codeline>
<codeline lineno="322"><highlight class="normal"></highlight></codeline>
<codeline lineno="323"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>bytesWritten;</highlight></codeline>
<codeline lineno="324"><highlight class="normal">}</highlight></codeline>
<codeline lineno="325"><highlight class="normal"></highlight></codeline>
<codeline lineno="326"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::flush()<sp/>{</highlight></codeline>
<codeline lineno="327"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((data<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>&amp;&amp;<sp/>(fileAccessMode<sp/>!=<sp/>AccessMode::Read))<sp/>{</highlight></codeline>
<codeline lineno="328"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!FlushViewOfFile(data,<sp/>0ul))<sp/>{</highlight></codeline>
<codeline lineno="329"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="330"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="331"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="332"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="333"><highlight class="normal"><sp/><sp/><sp/><sp/>dirty<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="334"><highlight class="normal">}</highlight></codeline>
<codeline lineno="335"><highlight class="normal"></highlight></codeline>
<codeline lineno="336"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::resize(std::uint64_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="337"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(fileAccessMode<sp/>==<sp/>AccessMode::Read)<sp/>{</highlight></codeline>
<codeline lineno="338"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="339"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="340"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="341"><highlight class="normal"></highlight></codeline>
<codeline lineno="342"><highlight class="normal"><sp/><sp/><sp/><sp/>flush();</highlight></codeline>
<codeline lineno="343"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(dirty)<sp/>{</highlight></codeline>
<codeline lineno="344"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="345"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="346"><highlight class="normal"></highlight></codeline>
<codeline lineno="347"><highlight class="normal"><sp/><sp/><sp/><sp/>unmapFile();</highlight></codeline>
<codeline lineno="348"><highlight class="normal"></highlight></codeline>
<codeline lineno="349"><highlight class="normal"><sp/><sp/><sp/><sp/>resizeFile(size);</highlight></codeline>
<codeline lineno="350"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(fileSize<sp/>!=<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="351"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="352"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="353"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="354"><highlight class="normal"></highlight></codeline>
<codeline lineno="355"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Remap<sp/>file<sp/>from<sp/>current<sp/>position,<sp/>till<sp/>the<sp/>end<sp/>of<sp/>file</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="356"><highlight class="normal"><sp/><sp/><sp/><sp/>mapFile(position,<sp/>fileSize<sp/>-<sp/>position);</highlight></codeline>
<codeline lineno="357"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="358"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>status-&gt;set(WriteError,<sp/>filePath.c_str());</highlight></codeline>
<codeline lineno="359"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="360"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="361"><highlight class="normal">}</highlight></codeline>
<codeline lineno="362"><highlight class="normal"></highlight></codeline>
<codeline lineno="363"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::openFile()<sp/>{</highlight></codeline>
<codeline lineno="364"><highlight class="normal"><sp/><sp/><sp/><sp/>DWORD<sp/>access{GENERIC_READ};</highlight></codeline>
<codeline lineno="365"><highlight class="normal"><sp/><sp/><sp/><sp/>access<sp/>|=<sp/>(<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Write)<sp/>?<sp/>GENERIC_WRITE<sp/>:<sp/>access);</highlight></codeline>
<codeline lineno="366"><highlight class="normal"></highlight></codeline>
<codeline lineno="367"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>0<sp/>==<sp/>no<sp/>sharing<sp/>in<sp/>any<sp/>way</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="368"><highlight class="normal"><sp/><sp/><sp/><sp/>DWORD<sp/>sharing{};</highlight></codeline>
<codeline lineno="369"><highlight class="normal"></highlight></codeline>
<codeline lineno="370"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Non-existing<sp/>files<sp/>are<sp/>created<sp/>unless<sp/>in<sp/>read-only<sp/>mode</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="371"><highlight class="normal"><sp/><sp/><sp/><sp/>DWORD<sp/>creationDisposition{};</highlight></codeline>
<codeline lineno="372"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(fileAccessMode<sp/>==<sp/>AccessMode::Read)<sp/>{</highlight></codeline>
<codeline lineno="373"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>creationDisposition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">DWORD</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(OPEN_EXISTING);</highlight></codeline>
<codeline lineno="374"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="375"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>creationDisposition<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">DWORD</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(OPEN_ALWAYS);</highlight></codeline>
<codeline lineno="376"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="377"><highlight class="normal"></highlight></codeline>
<codeline lineno="378"><highlight class="normal"><sp/><sp/><sp/><sp/>file<sp/>=<sp/>CreateFile(filePath.c_str(),<sp/>access,<sp/>sharing,<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">,<sp/>creationDisposition,<sp/>FILE_ATTRIBUTE_NORMAL,<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="379"><highlight class="normal">}</highlight></codeline>
<codeline lineno="380"><highlight class="normal"></highlight></codeline>
<codeline lineno="381"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::closeFile()<sp/>{</highlight></codeline>
<codeline lineno="382"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(file<sp/>!=<sp/>INVALID_HANDLE_VALUE)<sp/>{</highlight></codeline>
<codeline lineno="383"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>CloseHandle(file);</highlight></codeline>
<codeline lineno="384"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>file<sp/>=<sp/>INVALID_HANDLE_VALUE;</highlight></codeline>
<codeline lineno="385"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="386"><highlight class="normal">}</highlight></codeline>
<codeline lineno="387"><highlight class="normal"></highlight></codeline>
<codeline lineno="388"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::mapFile(std::uint64_t<sp/>offset,<sp/>std::uint64_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="389"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Create<sp/>file<sp/>mapping</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="390"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>protect<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">DWORD</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Write)<sp/>?<sp/>PAGE_READWRITE<sp/>:<sp/>PAGE_READONLY);</highlight></codeline>
<codeline lineno="391"><highlight class="normal"><sp/><sp/><sp/><sp/>mapping<sp/>=<sp/>CreateFileMapping(file,<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">,<sp/>protect,<sp/>0u,<sp/>0u,<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="392"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(mapping<sp/>==<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="393"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="394"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="395"><highlight class="normal"></highlight></codeline>
<codeline lineno="396"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Map<sp/>a<sp/>view<sp/>of<sp/>the<sp/>file<sp/>mapping<sp/>into<sp/>the<sp/>address<sp/>space</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="397"><highlight class="normal"><sp/><sp/><sp/><sp/>DWORD<sp/>desiredAccess{};</highlight></codeline>
<codeline lineno="398"><highlight class="normal"><sp/><sp/><sp/><sp/>desiredAccess<sp/>|=<sp/>(<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Write)<sp/>?<sp/>FILE_MAP_WRITE<sp/>:<sp/>desiredAccess);</highlight></codeline>
<codeline lineno="399"><highlight class="normal"><sp/><sp/><sp/><sp/>desiredAccess<sp/>|=<sp/>(<ref refid="namespaceextd_1a002ec342c016b4bc7cb2a886e13638c2" kindref="member">contains</ref>(fileAccessMode,<sp/>AccessMode::Read)<sp/>?<sp/>FILE_MAP_READ<sp/>:<sp/>desiredAccess);</highlight></codeline>
<codeline lineno="400"><highlight class="normal"></highlight></codeline>
<codeline lineno="401"><highlight class="normal"><sp/><sp/><sp/><sp/>ULARGE_INTEGER<sp/>alignedOffset{};</highlight></codeline>
<codeline lineno="402"><highlight class="normal"><sp/><sp/><sp/><sp/>alignedOffset.QuadPart<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">decltype(alignedOffset.QuadPart)</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(alignOffsetWindows(offset));</highlight></codeline>
<codeline lineno="403"><highlight class="normal"></highlight></codeline>
<codeline lineno="404"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Make<sp/>sure<sp/>size<sp/>does<sp/>not<sp/>exceed<sp/>system<sp/>limits</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="405"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>safeSize<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(std::min(</highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::uint64_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(std::numeric_limits&lt;std::size_t&gt;::max()),<sp/>size));</highlight></codeline>
<codeline lineno="406"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Increase<sp/>to-be-mapped<sp/>size<sp/>by<sp/>the<sp/>difference<sp/>caused<sp/>by<sp/>alignment</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="407"><highlight class="normal"><sp/><sp/><sp/><sp/>safeSize<sp/>=<sp/>std::max(</highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">std::size_t</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(safeSize<sp/>+<sp/>(offset<sp/>-<sp/>alignedOffset.QuadPart)),<sp/>safeSize);</highlight></codeline>
<codeline lineno="408"><highlight class="normal"></highlight></codeline>
<codeline lineno="409"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Try<sp/>mapping<sp/>requested<sp/>size,<sp/>but<sp/>if<sp/>it<sp/>fails<sp/>keep<sp/>repeating<sp/>by<sp/>halving<sp/>the<sp/>view<sp/>size<sp/>each<sp/>time<sp/>(e.g.<sp/>if<sp/>not<sp/>enough<sp/>VA<sp/>space)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="410"><highlight class="normal"><sp/><sp/><sp/><sp/>std::size_t<sp/>nextSize<sp/>=<sp/>safeSize;</highlight></codeline>
<codeline lineno="411"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">do</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="412"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>safeSize<sp/>=<sp/>nextSize;</highlight></codeline>
<codeline lineno="413"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>data<sp/>=<sp/>MapViewOfFile(mapping,<sp/>desiredAccess,<sp/>alignedOffset.HighPart,<sp/>alignedOffset.LowPart,<sp/>safeSize);</highlight></codeline>
<codeline lineno="414"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="415"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="416"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="417"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>nextSize<sp/>=<sp/>safeSize<sp/>/<sp/>2ul;</highlight></codeline>
<codeline lineno="418"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="419"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(nextSize<sp/>&gt;<sp/>minViewSizeWindows);</highlight></codeline>
<codeline lineno="420"><highlight class="normal"></highlight></codeline>
<codeline lineno="421"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="422"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>viewOffset<sp/>=<sp/>alignedOffset.QuadPart;</highlight></codeline>
<codeline lineno="423"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>viewSize<sp/>=<sp/>safeSize;</highlight></codeline>
<codeline lineno="424"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="425"><highlight class="normal">}</highlight></codeline>
<codeline lineno="426"><highlight class="normal"></highlight></codeline>
<codeline lineno="427"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::unmapFile()<sp/>{</highlight></codeline>
<codeline lineno="428"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(data<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="429"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>UnmapViewOfFile(data);</highlight></codeline>
<codeline lineno="430"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>data<sp/>=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="431"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="432"><highlight class="normal"></highlight></codeline>
<codeline lineno="433"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(mapping<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="434"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>CloseHandle(mapping);</highlight></codeline>
<codeline lineno="435"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>mapping<sp/>=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="436"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="437"><highlight class="normal"></highlight></codeline>
<codeline lineno="438"><highlight class="normal"><sp/><sp/><sp/><sp/>viewOffset<sp/>=<sp/>0ul;</highlight></codeline>
<codeline lineno="439"><highlight class="normal"><sp/><sp/><sp/><sp/>viewSize<sp/>=<sp/>0ul;</highlight></codeline>
<codeline lineno="440"><highlight class="normal">}</highlight></codeline>
<codeline lineno="441"><highlight class="normal"></highlight></codeline>
<codeline lineno="442"><highlight class="normal"></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>MemoryMappedFileStreamWindows::resizeFile(std::uint64_t<sp/>size)<sp/>{</highlight></codeline>
<codeline lineno="443"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(file<sp/>==<sp/>INVALID_HANDLE_VALUE)<sp/>{</highlight></codeline>
<codeline lineno="444"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="445"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="446"><highlight class="normal"></highlight></codeline>
<codeline lineno="447"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Seek<sp/>to<sp/>the<sp/>new<sp/>size</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="448"><highlight class="normal"><sp/><sp/><sp/><sp/>LARGE_INTEGER<sp/>moveBy{};</highlight></codeline>
<codeline lineno="449"><highlight class="normal"><sp/><sp/><sp/><sp/>moveBy.QuadPart<sp/>=<sp/></highlight><highlight class="keyword">static_cast&lt;</highlight><highlight class="normal">decltype(moveBy.QuadPart)</highlight><highlight class="keyword">&gt;</highlight><highlight class="normal">(size);</highlight></codeline>
<codeline lineno="450"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(SetFilePointerEx(file,<sp/>moveBy,<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">,<sp/>FILE_BEGIN)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="451"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="452"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="453"><highlight class="normal"></highlight></codeline>
<codeline lineno="454"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Resize<sp/>the<sp/>file<sp/>to<sp/>it&apos;s<sp/>current<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="455"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(SetEndOfFile(file)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="456"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="457"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="458"><highlight class="normal"></highlight></codeline>
<codeline lineno="459"><highlight class="normal"><sp/><sp/><sp/><sp/>fileSize<sp/>=<sp/>size;</highlight></codeline>
<codeline lineno="460"><highlight class="normal">}</highlight></codeline>
<codeline lineno="461"><highlight class="normal"></highlight></codeline>
<codeline lineno="462"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>trio</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="463"><highlight class="normal"></highlight></codeline>
<codeline lineno="464"><highlight class="normal"></highlight><highlight class="preprocessor">#endif<sp/><sp/></highlight><highlight class="comment">//<sp/>TRIO_WINDOWS_FILE_MAPPING_AVAILABLE</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="465"><highlight class="normal"></highlight><highlight class="comment">//<sp/>*INDENT-ON*</highlight><highlight class="normal"></highlight></codeline>
    </programlisting>
    <location file="C:/source/MetaHuman-DNA-Calibration_clean/dnacalib/DNACalib/src/trio/streams/MemoryMappedFileStreamWindows.cpp"/>
  </compounddef>
</doxygen>