ATOOLS/YAML/indentation.h

0001 #ifndef INDENTATION_H_62B23520_7C8E_11DE_8A39_0800200C9A66
0002 #define INDENTATION_H_62B23520_7C8E_11DE_8A39_0800200C9A66
0003
0004 #if defined(_MSC_VER) ||                                            \
0005     (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
0006      (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
0007 #pragma once
0008 #endif
0009
0010 #include <iostream>
0011 #include <cstddef>
0012
0013 #include "ATOOLS/YAML/yaml-cpp/ostream_wrapper.h"
0014
0015 namespace SHERPA_YAML {
0016 struct Indentation {
0017   Indentation(std::size_t n_) : n(n_) {}
0018   std::size_t n;
0019 };
0020
0021 inline ostream_wrapper& operator<<(ostream_wrapper& out,
0022                                    const Indentation& indent) {
0023   for (std::size_t i = 0; i < indent.n; i++)
0024     out << ' ';
0025   return out;
0026 }
0027
0028 struct IndentTo {
0029   IndentTo(std::size_t n_) : n(n_) {}
0030   std::size_t n;
0031 };
0032
0033 inline ostream_wrapper& operator<<(ostream_wrapper& out,
0034                                    const IndentTo& indent) {
0035   while (out.col() < indent.n)
0036     out << ' ';
0037   return out;
0038 }
0039 }
0040
0041 #endif  // INDENTATION_H_62B23520_7C8E_11DE_8A39_0800200C9A66