// Copyright 2013 Google Inc. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef NINJA_LINE_PRINTER_H_ #define NINJA_LINE_PRINTER_H_ #include using namespace std; /// Prints lines of text, possibly overprinting previously printed lines /// if the terminal supports it. struct LinePrinter { LinePrinter(); bool is_smart_terminal() const { return smart_terminal_; } void set_smart_terminal(bool smart) { smart_terminal_ = smart; } enum LineType { FULL, ELIDE }; /// Overprints the current line. If type is ELIDE, elides to_print to fit on /// one line. void Print(string to_print, LineType type); /// Prints a string on a new line, not overprinting previous output. void PrintOnNewLine(const string& to_print); private: /// Whether we can do fancy terminal control codes. bool smart_terminal_; /// Whether the caret is at the beginning of a blank line. bool have_blank_line_; #ifdef _WIN32 void* console_; #endif }; #endif // NINJA_LINE_PRINTER_H_