<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 22 Dec 2020 at 21:25, Richard Hodges <<a href="mailto:hodges.r@gmail.com">hodges.r@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 22 Dec 2020 at 21:21, Sean Farrow via Boost-users <<a href="mailto:boost-users@lists.boost.org" target="_blank">boost-users@lists.boost.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal">Hi,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Are there any samples of using boost.json to deserialize boost.beast responses?</p></div></div></blockquote><div dir="auto"><br></div><div dir="auto">Not in the documentation of the two libraries as they are treated as separate self-contained concerns.</div><div dir="auto"><br></div><div dir="auto">However it’s quite trivial.</div></div></div></blockquote><div><br></div><div>Here's a simple example:</div><div><br></div><div><font face="monospace">extern void use_json(boost::json::value const& jv);</font></div><font face="monospace"><br>void handle_read_text(boost::beast::flat_buffer& buf)<br>{<br> auto range = buf.data();<br> auto chars = boost::json::string_view(<br> reinterpret_cast<const char*>(range.data()), <br> range.size());<br> auto dom = boost::json::parse(chars);<br> use_json(dom);<br>}</font></div><div class="gmail_quote"><br></div><div class="gmail_quote"><a href="https://godbolt.org/z/bxcKea">https://godbolt.org/z/bxcKea</a><br></div><div class="gmail_quote"><br></div><div class="gmail_quote">The maintainers of beast and json are always available on the cpplang slack, in channel #beast.</div><div class="gmail_quote"><br></div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail_quote"><div dir="auto">The data() member of a flat_buffer contains a pointer and a size. Cast the pointer to const char * and use it and the size to construct a json::string_view.</div><div dir="auto">From there you can call json::parse to get your json::value.</div><div dir="auto"><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-GB" style="overflow-wrap: break-word;"><div><p class="MsoNormal" dir="auto"><u></u><u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal">Sean.<u></u><u></u></p>
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</blockquote></div></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr">Richard Hodges<div><a href="mailto:hodges.r@gmail.com" target="_blank">hodges.r@gmail.com</a></div><div>office: +442032898513</div><div>home: +376841522</div><div>mobile: +376380212</div><div><br></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Richard Hodges<div><a href="mailto:hodges.r@gmail.com" target="_blank">hodges.r@gmail.com</a></div><div>office: +442032898513</div><div>home: +376841522</div><div>mobile: +376380212</div><div><br></div></div></div></div></div></div>