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drop StreamWriterBuilderFactory, for now

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This commit is contained in:
Christopher Dunn 2015-01-24 13:54:28 -06:00
parent 94665eab72
commit fe3979cd8a
3 changed files with 21 additions and 15 deletions
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14
include/json/writer.h
View File

@ -30,26 +30,20 @@ Usage:
using namespace Json;
Value value;
StreamWriterBuilderFactory f;
StreamWriter::Builder builder(&f);
StreamWriter::Builder builder;
builder.setCommentStyle(StreamWriter::CommentStyle::None);
std::shared_ptr<StreamWriter> writer(
builder.newStreamWriter(&std::cout));
writer->write(value);
std::cout.flush();
*/
class JSON_API StreamWriterBuilderFactory {
public:
virtual ~StreamWriterBuilderFactory();
virtual StreamWriterBuilder* newStreamWriterBuilder() const;
};
class JSON_API StreamWriter {
protected:
std::ostream& sout_; // not owned; will not delete
public:
enum class CommentStyle {None, Some, All};
/// Keep a reference, but do not take ownership of `sout`.
StreamWriter(std::ostream* sout);
virtual ~StreamWriter();
/// Write Value into document as configured in sub-class.
@ -62,8 +56,10 @@ public:
/// \see http://stackoverflow.com/questions/14875052/pure-virtual-functions-and-binary-compatibility
class Builder {
StreamWriterBuilder* own_;
Builder(Builder const&); // noncopyable
void operator=(Builder const&); // noncopyable
public:
Builder(StreamWriterBuilderFactory const*);
Builder();
~Builder(); // delete underlying StreamWriterBuilder
void setCommentStyle(CommentStyle cs); /// default: All

3
src/jsontestrunner/main.cpp
View File

@ -184,8 +184,7 @@ static std::string useStyledStreamWriter(
static std::string useBuiltStyledStreamWriter(
Json::Value const& root)
{
Json::StreamWriterBuilderFactory f;
Json::StreamWriter::Builder builder(&f);
Json::StreamWriter::Builder builder;
builder.setCommentStyle(Json::StreamWriter::CommentStyle::All);
return writeString(root, builder);
}

19
src/lib_json/json_writer.cpp
View File

@ -967,6 +967,13 @@ StreamWriter* StreamWriterBuilder::newStreamWriter(std::ostream* stream) const
{
return new BuiltStyledStreamWriter(stream, indentation_, cs_);
}
// This might become public someday.
class StreamWriterBuilderFactory {
public:
virtual ~StreamWriterBuilderFactory();
virtual StreamWriterBuilder* newStreamWriterBuilder() const;
};
StreamWriterBuilderFactory::~StreamWriterBuilderFactory()
{
}
@ -975,14 +982,19 @@ StreamWriterBuilder* StreamWriterBuilderFactory::newStreamWriterBuilder() const
return new StreamWriterBuilder;
}
StreamWriter::Builder::Builder(StreamWriterBuilderFactory const* f)
: own_(f->newStreamWriterBuilder())
StreamWriter::Builder::Builder()
: own_(StreamWriterBuilderFactory().newStreamWriterBuilder())
{
}
StreamWriter::Builder::~Builder()
{
delete own_;
}
StreamWriter::Builder::Builder(Builder const&)
: own_(nullptr)
{abort();}
void StreamWriter::Builder::operator=(Builder const&)
{abort();}
void StreamWriter::Builder::setCommentStyle(CommentStyle v)
{
own_->setCommentStyle(v);
@ -1006,8 +1018,7 @@ std::string writeString(Value const& root, StreamWriter::Builder const& builder)
}
std::ostream& operator<<(std::ostream& sout, Value const& root) {
StreamWriterBuilderFactory f;
StreamWriter::Builder builder(&f);
StreamWriter::Builder builder;
builder.setCommentStyle(StreamWriter::CommentStyle::All);
std::shared_ptr<StreamWriter> writer(builder.newStreamWriter(&sout));
writer->write(root);