Re: rapidjson?

On Tue, Sep 29, 2020, 11:47 PM Dmitri A. Sergatskov <[email protected]>
wrote:

> On Fedora 33 configure cannot find working PrettyWriter in RapidJSON
> (1.1.0):
>
> configure:64508: checking for working PrettyWriter in RapidJSON
> configure:64539: g++ -c -O3 -march=native -flto=4 -fno-fat-lto-objects
> -pthread -fopenmp  conftest.cpp >&5
> In file included from conftest.cpp:494:
> /usr/include/rapidjson/prettywriter.h: In constructor
> 'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
> StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
> std::size_t) [with OutputStream =
> rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
> rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
> rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
> unsigned int]':
> /usr/include/rapidjson/prettywriter.h:53:102: error: 'const size_t
> rapidjson::Writer<rapidjson::GenericStringBuffer<rapidjson::UTF8<> >
> >::kDefaultLevelDepth' is protected within this context
>    53 |     explicit PrettyWriter(OutputStream& os, StackAllocator*
> allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
>       |
>                                    ^~~~~~~~~~~~~~~~~~
> In file included from /usr/include/rapidjson/prettywriter.h:18,
>                  from conftest.cpp:494:
> /usr/include/rapidjson/writer.h:262:25: note: declared protected here
>   262 |     static const size_t kDefaultLevelDepth = 32;
>       |                         ^~~~~~~~~~~~~~~~~~
> conftest.cpp:511:75: note:   when instantiating default argument for call
> to 'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
> StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
> std::size_t) [with OutputStream =
> rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
> rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
> rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
> unsigned int]'
>   511 |                               rapidjson::kWriteNanAndInfFlag>
> writer (json);
>       |
>         ^
> In file included from conftest.cpp:494:
> /usr/include/rapidjson/prettywriter.h: In instantiation of
> 'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
> StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
> std::size_t) [with OutputStream =
> rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
> rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
> rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
> unsigned int]':
> conftest.cpp:511:75:   required from here
> /usr/include/rapidjson/prettywriter.h:54:110: error: type
> 'rapidjson::Writer<rapidjson::GenericStringBuffer<rapidjson::UTF8<> > >' is
> not a direct base of
> 'rapidjson::PrettyWriter<rapidjson::GenericStringBuffer<rapidjson::UTF8<>
> >, rapidjson::UTF8<>, rapidjson::UTF8<>, rapidjson::CrtAllocator, 2>'
>    54 |         Base(os, allocator, levelDepth), indentChar_(' '),
> indentCharCount_(4), formatOptions_(kFormatDefault) {}
>       |
>                                            ^
> configure:64539: $? = 1
> configure: failed program was:
>
> Bug, or I am doing something wrong?
>
> Dmitri.
> --
>

No not a bug. To be able to use the "PrettyWriter" option you must use the
new version of RapidJSON from their repo on GitHub not the release.

Unfortunately, their last release was a few years ago so it looks like they
won't be releasing the new version soon.

Cheers,
Abdallah