1 | #include <windows.h>
|
2 |
|
3 | #include <errno.h>
|
4 | #include <stdio.h>
|
5 | #include <stdlib.h>
|
6 |
|
7 | #include <string>
|
8 | #include <vector>
|
9 |
|
10 | static HANDLE getConin() {
|
11 | HANDLE conin = GetStdHandle(STD_INPUT_HANDLE);
|
12 | if (conin == INVALID_HANDLE_VALUE) {
|
13 | fprintf(stderr, "error: cannot get stdin\n");
|
14 | exit(1);
|
15 | }
|
16 | return conin;
|
17 | }
|
18 |
|
19 | static DWORD getConsoleMode() {
|
20 | DWORD mode = 0;
|
21 | if (!GetConsoleMode(getConin(), &mode)) {
|
22 | fprintf(stderr, "error: GetConsoleMode failed (is stdin a console?)\n");
|
23 | exit(1);
|
24 | }
|
25 | return mode;
|
26 | }
|
27 |
|
28 | static void setConsoleMode(DWORD mode) {
|
29 | if (!SetConsoleMode(getConin(), mode)) {
|
30 | fprintf(stderr, "error: SetConsoleMode failed (is stdin a console?)\n");
|
31 | exit(1);
|
32 | }
|
33 | }
|
34 |
|
35 | static long parseInt(const std::string &s) {
|
36 | errno = 0;
|
37 | char *endptr = nullptr;
|
38 | long result = strtol(s.c_str(), &endptr, 0);
|
39 | if (errno != 0 || !endptr || *endptr != '\0') {
|
40 | fprintf(stderr, "error: could not parse integral argument '%s'\n", s.c_str());
|
41 | exit(1);
|
42 | }
|
43 | return result;
|
44 | }
|
45 |
|
46 | static void usage() {
|
47 | printf("Usage: ConinMode [verb] [options]\n");
|
48 | printf("Verbs:\n");
|
49 | printf(" [info] Dumps info about mode flags.\n");
|
50 | printf(" get Prints the mode DWORD.\n");
|
51 | printf(" set VALUE Sets the mode to VALUE, which can be decimal, hex, or octal.\n");
|
52 | printf(" set VALUE MASK\n");
|
53 | printf(" Same as `set VALUE`, but only alters the bits in MASK.\n");
|
54 | exit(1);
|
55 | }
|
56 |
|
57 | struct {
|
58 | const char *name;
|
59 | DWORD value;
|
60 | } kInputFlags[] = {
|
61 | "ENABLE_PROCESSED_INPUT", ENABLE_PROCESSED_INPUT,
|
62 | "ENABLE_LINE_INPUT", ENABLE_LINE_INPUT,
|
63 | "ENABLE_ECHO_INPUT", ENABLE_ECHO_INPUT,
|
64 | "ENABLE_WINDOW_INPUT", ENABLE_WINDOW_INPUT,
|
65 | "ENABLE_MOUSE_INPUT", ENABLE_MOUSE_INPUT,
|
66 | "ENABLE_INSERT_MODE", ENABLE_INSERT_MODE,
|
67 | "ENABLE_QUICK_EDIT_MODE", ENABLE_QUICK_EDIT_MODE,
|
68 | "ENABLE_EXTENDED_FLAGS", ENABLE_EXTENDED_FLAGS,
|
69 | "ENABLE_VIRTUAL_TERMINAL_INPUT", 0x0200,
|
70 | };
|
71 |
|
72 | int main(int argc, char *argv[]) {
|
73 | std::vector<std::string> args;
|
74 | for (size_t i = 1; i < argc; ++i) {
|
75 | args.push_back(argv[i]);
|
76 | }
|
77 |
|
78 | if (args.empty() || args.size() == 1 && args[0] == "info") {
|
79 | DWORD mode = getConsoleMode();
|
80 | printf("mode: 0x%lx\n", mode);
|
81 | for (const auto &flag : kInputFlags) {
|
82 | printf("%-29s 0x%04lx %s\n", flag.name, flag.value, flag.value & mode ? "ON" : "off");
|
83 | mode &= ~flag.value;
|
84 | }
|
85 | for (int i = 0; i < 32; ++i) {
|
86 | if (mode & (1u << i)) {
|
87 | printf("Unrecognized flag: %04x\n", (1u << i));
|
88 | }
|
89 | }
|
90 | return 0;
|
91 | }
|
92 |
|
93 | const auto verb = args[0];
|
94 |
|
95 | if (verb == "set") {
|
96 | if (args.size() == 2) {
|
97 | const DWORD newMode = parseInt(args[1]);
|
98 | setConsoleMode(newMode);
|
99 | } else if (args.size() == 3) {
|
100 | const DWORD mode = parseInt(args[1]);
|
101 | const DWORD mask = parseInt(args[2]);
|
102 | const int newMode = (getConsoleMode() & ~mask) | (mode & mask);
|
103 | setConsoleMode(newMode);
|
104 | } else {
|
105 | usage();
|
106 | }
|
107 | } else if (verb == "get") {
|
108 | if (args.size() != 1) {
|
109 | usage();
|
110 | }
|
111 | printf("0x%lx\n", getConsoleMode());
|
112 | } else {
|
113 | usage();
|
114 | }
|
115 |
|
116 | return 0;
|
117 | }
|