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#include "formatted_output.h"
namespace NLastGetopt {
TFormattedOutput::IndentGuard::IndentGuard(TFormattedOutput* output)
: Output(output)
{
Output->IndentLevel_ += 2;
}
TFormattedOutput::IndentGuard::~IndentGuard() {
Output->IndentLevel_ -= 2;
}
TFormattedOutput::IndentGuard TFormattedOutput::Indent() {
return IndentGuard(this);
}
TStringBuilder& TFormattedOutput::Line() {
return Lines_.emplace_back(IndentLevel_, TStringBuilder()).second;
}
void TFormattedOutput::Print(IOutputStream& out) {
for (auto&[indent, line] : Lines_) {
if (indent && !line.empty()) {
TTempBuf buf(indent);
Fill(buf.Data(), buf.Data() + indent, ' ');
out.Write(buf.Data(), indent);
}
out << line;
if (!line.EndsWith('\n')) {
out << Endl;
}
}
}
}
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