1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef TOOLS_GN_OUTPUT_STREAM_H_ 6 #define TOOLS_GN_OUTPUT_STREAM_H_ 7 8 class OutputStream { 9 public: 10 11 12 13 OutputStream& WriteBuffer(const char* buf, size_t len); 14 OutputStream& WriteInt(int i); 15 16 // Write a literal. 17 // This template expansion prevents having to look for nulls. 18 template<size_t size> OutputStream& Write(const char (&buf)[size]) { 19 return WriteBuffer(buf, size); 20 } 21 22 // Write a literal string. 23 OutputStream& Write(const std::string& str) { 24 return WriteBuffer(str.c_str(), str.size()); 25 } 26 27 // Quotes if necessary, and does necessary escaping. If more than one 28 // input is provided, the results will be concatenated together (useful 29 // for constructing paths without a temporary buffer). 30 OutputStream& WritePath(const std::string& s); 31 OutputStream& WritePath(const std::string& s0, 32 const std::string& s1); 33 OutputStream& WritePath(const std::string& s0, 34 const std::string& s1, 35 const std::string& s2); 36 37 OutputStream& EndLine() { 38 return WriteBuffer("\n", 1); 39 } 40 }; 41 42 #endif // TOOLS_GN_OUTPUT_STREAM_H_ 43
