installed pty

[VSoRC/.git] / node_modules / node-pty / deps / winpty / misc / ConoutMode.cc

diff --git a/node_modules/node-pty/deps/winpty/misc/ConoutMode.cc b/node_modules/node-pty/deps/winpty/misc/ConoutMode.cc
new file mode 100644 (file)
index 0000000..100e0c7
--- /dev/null
+++ b/node_modules/node-pty/deps/winpty/misc/ConoutMode.cc
@@ -0,0 +1,113 @@
+#include <windows.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+#include <vector>
+
+static HANDLE getConout() {
+    HANDLE conout = GetStdHandle(STD_OUTPUT_HANDLE);
+    if (conout == INVALID_HANDLE_VALUE) {
+        fprintf(stderr, "error: cannot get stdout\n");
+        exit(1);
+    }
+    return conout;
+}
+
+static DWORD getConsoleMode() {
+    DWORD mode = 0;
+    if (!GetConsoleMode(getConout(), &mode)) {
+        fprintf(stderr, "error: GetConsoleMode failed (is stdout a console?)\n");
+        exit(1);
+    }
+    return mode;
+}
+
+static void setConsoleMode(DWORD mode) {
+    if (!SetConsoleMode(getConout(), mode)) {
+        fprintf(stderr, "error: SetConsoleMode failed (is stdout a console?)\n");
+        exit(1);
+    }
+}
+
+static long parseInt(const std::string &s) {
+    errno = 0;
+    char *endptr = nullptr;
+    long result = strtol(s.c_str(), &endptr, 0);
+    if (errno != 0 || !endptr || *endptr != '\0') {
+        fprintf(stderr, "error: could not parse integral argument '%s'\n", s.c_str());
+        exit(1);
+    }
+    return result;
+}
+
+static void usage() {
+    printf("Usage: ConoutMode [verb] [options]\n");
+    printf("Verbs:\n");
+    printf("    [info]      Dumps info about mode flags.\n");
+    printf("    get         Prints the mode DWORD.\n");
+    printf("    set VALUE   Sets the mode to VALUE, which can be decimal, hex, or octal.\n");
+    printf("    set VALUE MASK\n");
+    printf("                Same as `set VALUE`, but only alters the bits in MASK.\n");
+    exit(1);
+}
+
+struct {
+    const char *name;
+    DWORD value;
+} kOutputFlags[] = {
+    "ENABLE_PROCESSED_OUTPUT",          ENABLE_PROCESSED_OUTPUT,        // 0x0001
+    "ENABLE_WRAP_AT_EOL_OUTPUT",        ENABLE_WRAP_AT_EOL_OUTPUT,      // 0x0002
+    "ENABLE_VIRTUAL_TERMINAL_PROCESSING", 0x0004/*ENABLE_VIRTUAL_TERMINAL_PROCESSING*/, // 0x0004
+    "DISABLE_NEWLINE_AUTO_RETURN",      0x0008/*DISABLE_NEWLINE_AUTO_RETURN*/, // 0x0008
+    "ENABLE_LVB_GRID_WORLDWIDE",        0x0010/*ENABLE_LVB_GRID_WORLDWIDE*/, //0x0010
+};
+
+int main(int argc, char *argv[]) {
+    std::vector<std::string> args;
+    for (size_t i = 1; i < argc; ++i) {
+        args.push_back(argv[i]);
+    }
+
+    if (args.empty() || args.size() == 1 && args[0] == "info") {
+        DWORD mode = getConsoleMode();
+        printf("mode: 0x%lx\n", mode);
+        for (const auto &flag : kOutputFlags) {
+            printf("%-34s 0x%04lx %s\n", flag.name, flag.value, flag.value & mode ? "ON" : "off");
+            mode &= ~flag.value;
+        }
+        for (int i = 0; i < 32; ++i) {
+            if (mode & (1u << i)) {
+                printf("Unrecognized flag: %04x\n", (1u << i));
+            }
+        }
+        return 0;
+    }
+
+    const auto verb = args[0];
+
+    if (verb == "set") {
+        if (args.size() == 2) {
+            const DWORD newMode = parseInt(args[1]);
+            setConsoleMode(newMode);
+        } else if (args.size() == 3) {
+            const DWORD mode = parseInt(args[1]);
+            const DWORD mask = parseInt(args[2]);
+            const int newMode = (getConsoleMode() & ~mask) | (mode & mask);
+            setConsoleMode(newMode);
+        } else {
+            usage();
+        }
+    } else if (verb == "get") {
+        if (args.size() != 1) {
+            usage();
+        }
+        printf("0x%lx\n", getConsoleMode());
+    } else {
+        usage();
+    }
+
+    return 0;
+}