53 lines
871 B
C++
53 lines
871 B
C++
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#ifndef EOLIAN_CXX_STD_TAB_HH
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#define EOLIAN_CXX_STD_TAB_HH
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#include <iosfwd>
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#include <ostream>
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#include <sstream>
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namespace efl { namespace eolian { namespace grammar {
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using std::endl;
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const int tabsize = 3;
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struct tab
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{
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int _n;
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tab(int n) : _n(n * tabsize) {}
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};
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inline std::ostream&
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operator<<(std::ostream& out, efl::eolian::grammar::tab tab)
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{
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for (int i = tab._n; i; --i)
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out << ' ';
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return out;
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}
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struct tabify
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{
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int _n;
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std::string _text;
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tabify(int n, std::string const& text)
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: _n(n), _text(text)
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{}
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};
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inline std::ostream&
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operator<<(std::ostream& out, efl::eolian::grammar::tabify const& x)
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{
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std::string line, tab(tabsize*x._n, ' ');
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std::istringstream ss(x._text);
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while (std::getline(ss, line))
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{
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out << tab << line << endl;
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}
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return out;
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}
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} } }
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#endif // EOLIAN_CXX_STD_TAB_HH
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