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use new BuiltStyledStreamWriter in operator<<()
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@ -665,12 +665,29 @@ bool StyledStreamWriter::hasCommentForValue(const Value& value) {
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value.hasComment(commentAfter);
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}
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std::ostream& operator<<(std::ostream& sout, const Value& root) {
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Json::StyledStreamWriter writer;
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writer.write(sout, root);
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return sout;
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}
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struct BuiltStyledStreamWriter : public StreamWriter
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{
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mutable StyledStreamWriter old_;
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BuiltStyledStreamWriter(
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std::ostream* sout,
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std::string const& indentation,
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StreamWriter::CommentStyle cs);
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virtual int write(Value const& root) const;
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};
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BuiltStyledStreamWriter::BuiltStyledStreamWriter(
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std::ostream* sout,
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std::string const& indentation,
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StreamWriter::CommentStyle cs)
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: StreamWriter(sout)
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, old_(indentation)
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{
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}
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int BuiltStyledStreamWriter::write(Value const& root) const
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{
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old_.write(sout_, root);
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return 0;
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}
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StreamWriter::StreamWriter(std::ostream* sout)
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: sout_(*sout)
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{
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@ -720,8 +737,7 @@ void StreamWriterBuilder::setIndentation(std::string v)
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}
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StreamWriter* StreamWriterBuilder::newStreamWriter(std::ostream* stream) const
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{
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// return new StyledStreamWriter(stream);
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return nullptr;
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return new BuiltStyledStreamWriter(stream, indentation_, cs_);
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}
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StreamWriterBuilderFactory::~StreamWriterBuilderFactory()
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{
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@ -761,4 +777,13 @@ std::string writeString(Value const& root, StreamWriterBuilder const& builder) {
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return sout.str();
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}
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std::ostream& operator<<(std::ostream& sout, const Value& root) {
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StreamWriterBuilderFactory f;
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StreamWriter::Builder builder(&f);
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builder.setCommentStyle(StreamWriter::CommentStyle::Some);
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std::shared_ptr<StreamWriter> writer(builder.newStreamWriter(&sout));
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writer->write(root);
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return sout;
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}
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} // namespace Json
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