1 // Copyright 2013 Google Inc. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 #ifndef NINJA_LINE_PRINTER_H_
16 #define NINJA_LINE_PRINTER_H_
22 /// Prints lines of text, possibly overprinting previously printed lines
23 /// if the terminal supports it.
27 bool is_smart_terminal() const { return smart_terminal_; }
28 void set_smart_terminal(bool smart) { smart_terminal_ = smart; }
34 /// Overprints the current line. If type is ELIDE, elides to_print to fit on
36 void Print(string to_print, LineType type);
38 /// Prints a string on a new line, not overprinting previous output.
39 void PrintOnNewLine(const string& to_print);
41 /// Lock or unlock the console. Any output sent to the LinePrinter while the
42 /// console is locked will not be printed until it is unlocked.
43 void SetConsoleLocked(bool locked);
46 /// Whether we can do fancy terminal control codes.
49 /// Whether the caret is at the beginning of a blank line.
50 bool have_blank_line_;
52 /// Whether console is locked.
55 /// Buffered current line while console is locked.
58 /// Buffered line type while console is locked.
61 /// Buffered console output while console is locked.
62 string output_buffer_;
68 /// Print the given data to the console, or buffer it if it is locked.
69 void PrintOrBuffer(const char *data, size_t size);
72 #endif // NINJA_LINE_PRINTER_H_