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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #if !defined(DART_IO_DISABLED) | 5 #if !defined(DART_IO_DISABLED) |
6 | 6 |
7 #include "platform/globals.h" | 7 #include "platform/globals.h" |
8 #if defined(HOST_OS_MACOS) | 8 #if defined(HOST_OS_MACOS) |
9 | 9 |
10 #include "bin/stdio.h" | 10 #include "bin/stdio.h" |
(...skipping 10 matching lines...) Expand all Loading... |
21 | 21 |
22 bool Stdin::ReadByte(int* byte) { | 22 bool Stdin::ReadByte(int* byte) { |
23 int c = NO_RETRY_EXPECTED(getchar()); | 23 int c = NO_RETRY_EXPECTED(getchar()); |
24 if ((c == EOF) && (errno != 0)) { | 24 if ((c == EOF) && (errno != 0)) { |
25 return false; | 25 return false; |
26 } | 26 } |
27 *byte = (c == EOF) ? -1 : c; | 27 *byte = (c == EOF) ? -1 : c; |
28 return true; | 28 return true; |
29 } | 29 } |
30 | 30 |
31 | |
32 bool Stdin::GetEchoMode(bool* enabled) { | 31 bool Stdin::GetEchoMode(bool* enabled) { |
33 struct termios term; | 32 struct termios term; |
34 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); | 33 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); |
35 if (status != 0) { | 34 if (status != 0) { |
36 return false; | 35 return false; |
37 } | 36 } |
38 *enabled = ((term.c_lflag & ECHO) != 0); | 37 *enabled = ((term.c_lflag & ECHO) != 0); |
39 return true; | 38 return true; |
40 } | 39 } |
41 | 40 |
42 | |
43 bool Stdin::SetEchoMode(bool enabled) { | 41 bool Stdin::SetEchoMode(bool enabled) { |
44 struct termios term; | 42 struct termios term; |
45 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); | 43 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); |
46 if (status != 0) { | 44 if (status != 0) { |
47 return false; | 45 return false; |
48 } | 46 } |
49 if (enabled) { | 47 if (enabled) { |
50 term.c_lflag |= (ECHO | ECHONL); | 48 term.c_lflag |= (ECHO | ECHONL); |
51 } else { | 49 } else { |
52 term.c_lflag &= ~(ECHO | ECHONL); | 50 term.c_lflag &= ~(ECHO | ECHONL); |
53 } | 51 } |
54 status = NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term)); | 52 status = NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term)); |
55 return (status == 0); | 53 return (status == 0); |
56 } | 54 } |
57 | 55 |
58 | |
59 bool Stdin::GetLineMode(bool* enabled) { | 56 bool Stdin::GetLineMode(bool* enabled) { |
60 struct termios term; | 57 struct termios term; |
61 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); | 58 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); |
62 if (status != 0) { | 59 if (status != 0) { |
63 return false; | 60 return false; |
64 } | 61 } |
65 *enabled = ((term.c_lflag & ICANON) != 0); | 62 *enabled = ((term.c_lflag & ICANON) != 0); |
66 return true; | 63 return true; |
67 } | 64 } |
68 | 65 |
69 | |
70 bool Stdin::SetLineMode(bool enabled) { | 66 bool Stdin::SetLineMode(bool enabled) { |
71 struct termios term; | 67 struct termios term; |
72 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); | 68 int status = NO_RETRY_EXPECTED(tcgetattr(STDIN_FILENO, &term)); |
73 if (status != 0) { | 69 if (status != 0) { |
74 return false; | 70 return false; |
75 } | 71 } |
76 if (enabled) { | 72 if (enabled) { |
77 term.c_lflag |= ICANON; | 73 term.c_lflag |= ICANON; |
78 } else { | 74 } else { |
79 term.c_lflag &= ~(ICANON); | 75 term.c_lflag &= ~(ICANON); |
80 } | 76 } |
81 status = NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term)); | 77 status = NO_RETRY_EXPECTED(tcsetattr(STDIN_FILENO, TCSANOW, &term)); |
82 return (status == 0); | 78 return (status == 0); |
83 } | 79 } |
84 | 80 |
85 | |
86 static bool TermHasXTerm() { | 81 static bool TermHasXTerm() { |
87 const char* term = getenv("TERM"); | 82 const char* term = getenv("TERM"); |
88 if (term == NULL) { | 83 if (term == NULL) { |
89 return false; | 84 return false; |
90 } | 85 } |
91 return strstr(term, "xterm") != NULL; | 86 return strstr(term, "xterm") != NULL; |
92 } | 87 } |
93 | 88 |
94 | |
95 bool Stdin::AnsiSupported(bool* supported) { | 89 bool Stdin::AnsiSupported(bool* supported) { |
96 *supported = isatty(STDIN_FILENO) && TermHasXTerm(); | 90 *supported = isatty(STDIN_FILENO) && TermHasXTerm(); |
97 return true; | 91 return true; |
98 } | 92 } |
99 | 93 |
100 | |
101 bool Stdout::GetTerminalSize(intptr_t fd, int size[2]) { | 94 bool Stdout::GetTerminalSize(intptr_t fd, int size[2]) { |
102 struct winsize w; | 95 struct winsize w; |
103 int status = NO_RETRY_EXPECTED(ioctl(fd, TIOCGWINSZ, &w)); | 96 int status = NO_RETRY_EXPECTED(ioctl(fd, TIOCGWINSZ, &w)); |
104 if ((status == 0) && ((w.ws_col != 0) || (w.ws_row != 0))) { | 97 if ((status == 0) && ((w.ws_col != 0) || (w.ws_row != 0))) { |
105 size[0] = w.ws_col; | 98 size[0] = w.ws_col; |
106 size[1] = w.ws_row; | 99 size[1] = w.ws_row; |
107 return true; | 100 return true; |
108 } | 101 } |
109 return false; | 102 return false; |
110 } | 103 } |
111 | 104 |
112 | |
113 bool Stdout::AnsiSupported(intptr_t fd, bool* supported) { | 105 bool Stdout::AnsiSupported(intptr_t fd, bool* supported) { |
114 *supported = isatty(fd) && TermHasXTerm(); | 106 *supported = isatty(fd) && TermHasXTerm(); |
115 return true; | 107 return true; |
116 } | 108 } |
117 | 109 |
118 } // namespace bin | 110 } // namespace bin |
119 } // namespace dart | 111 } // namespace dart |
120 | 112 |
121 #endif // defined(HOST_OS_MACOS) | 113 #endif // defined(HOST_OS_MACOS) |
122 | 114 |
123 #endif // !defined(DART_IO_DISABLED) | 115 #endif // !defined(DART_IO_DISABLED) |
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