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https://github.com/open-source-parsers/jsoncpp.git
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avoid extra newlines in StyledStreamWriter
Add indented_ as a bitfield. (Verified that sizeof(StyledStreamWriter) remains 96 for binary compatibility. But the new symbol requires a minor version-bump.)
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@ -187,7 +187,8 @@ private:
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std::string indentString_;
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int rightMargin_;
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std::string indentation_;
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bool addChildValues_;
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bool addChildValues_ : 1;
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bool indented_ : 1;
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};
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#if defined(JSON_HAS_INT64)
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@ -463,6 +463,7 @@ void StyledStreamWriter::write(std::ostream& out, const Value& root) {
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document_ = &out;
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addChildValues_ = false;
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indentString_ = "";
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indented_ = false;
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writeCommentBeforeValue(root);
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writeValue(root);
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writeCommentAfterValueOnSameLine(root);
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@ -539,8 +540,10 @@ void StyledStreamWriter::writeArrayValue(const Value& value) {
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if (hasChildValue)
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writeWithIndent(childValues_[index]);
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else {
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writeIndent();
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if (!indented_) writeIndent();
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indented_ = true;
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writeValue(childValue);
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indented_ = false;
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}
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if (++index == size) {
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writeCommentAfterValueOnSameLine(childValue);
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@ -598,24 +601,17 @@ void StyledStreamWriter::pushValue(const std::string& value) {
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}
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void StyledStreamWriter::writeIndent() {
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/*
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Some comments in this method would have been nice. ;-)
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if ( !document_.empty() )
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{
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char last = document_[document_.length()-1];
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if ( last == ' ' ) // already indented
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return;
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if ( last != '\n' ) // Comments may add new-line
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*document_ << '\n';
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}
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*/
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// blep intended this to look at the so-far-written string
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// to determine whether we are already indented, but
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// with a stream we cannot do that. So we rely on some saved state.
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// The caller checks indented_.
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*document_ << '\n' << indentString_;
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}
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void StyledStreamWriter::writeWithIndent(const std::string& value) {
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writeIndent();
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if (!indented_) writeIndent();
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*document_ << value;
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indented_ = false;
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}
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void StyledStreamWriter::indent() { indentString_ += indentation_; }
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@ -643,6 +639,7 @@ void StyledStreamWriter::writeCommentBeforeValue(const Value& root) {
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// Comments are stripped of trailing newlines, so add one here
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*document_ << "\n";
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indented_ = false;
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}
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void StyledStreamWriter::writeCommentAfterValueOnSameLine(const Value& root) {
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