command.h generating script for https://github.com/myfreeer/sendinput

Virtual-Key_Codes-reverse.js

let crctable = function() {
    let c = 0,
        table = typeof Int32Array !== 'undefined' ? new Int32Array(256) : new Array(256);
    for (let n = 0; n !== 256; ++n) {
        c = n;
        for (let x = 0; x < 8; x++) {
            c = c & 1 ? -306674912 ^ c >>> 1 : c >>> 1;
        }
        table[n] = c;
    }
    return table;
}();

function crc32_bstr(bstr, seed) {
    let C = seed ^ -1,
        L = bstr.length - 1,
        i;
    for (i = 0; i < L;) {
        C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i++)) & 0xFF];
        C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i++)) & 0xFF];
    }
    if (i === L) C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i)) & 0xFF];
    return C ^ -1;
}
var obj = {};
fetch('https://raw.githubusercontent.com/myfreeer/sendinput/master/command.h').then(res=>res.text()).then(str=>{
  var ar = str.split('\n');
    let arr = [];
  for (let i of ar) {
    let m = i.match(/case ([0-9]+)L: \/\/ ?([0-9A-Z]+)/);
    if (m&&m[1]&&m[2])
      if(crc32_bstr(m[2])>>>0 == Number(m[1]))
        arr.push(m[2]);
    let n = i.match(/return (VK_[0-9A-Z]+);/)
    if(n&&n[1]){
      obj[n[1]]=arr;
      arr = [];
    }
  }
  return JSON.stringify(obj);
});

Virtual-Key_Codes.js

var obj = {
  "VK_BACK": ["BACKSPACE", "BS", "BKSP"],
  "VK_SPACE": ["SPACE"],
  "VK_TAB": ["TAB"],
  "VK_CLEAR": ["CLEAR"],
  "VK_RETURN": ["ENTER"],
  "VK_SHIFT": ["SHIFT"],
  "VK_CONTROL": ["CTRL"],
  "VK_MENU": ["ALT"],
  "VK_PAUSE": ["PAUSE"],
  "VK_CAPITAL": ["CAPS", "CAPSLOCK"],
  "VK_ESCAPE": ["ESC"],
  "VK_PRIOR": ["PAGEUP", "PGUP"],
  "VK_NEXT": ["PAGEDOWN", "PGDN"],
  "VK_END": ["END"],
  "VK_HOME": ["HOME"],
  "VK_LEFT": ["LEFTARROW", "LEFT"],
  "VK_UP": ["UPARROW", "UP"],
  "VK_RIGHT": ["RIGHTARROW", "RIGHT"],
  "VK_DOWN": ["DOWNARROW", "DOWN"],
  "VK_SELECT": ["SELECT"],
  "VK_PRINT": ["PRINT"],
  "VK_EXECUTE": ["EXECUTE"],
  "VK_SNAPSHOT": ["PRINTSCREEN", "PRTSC"],
  "VK_INSERT": ["INS", "INSERT"],
  "VK_DELETE": ["DEL", "DELETE"],
  "VK_HELP": ["HELP"],
  "VK_NUMLOCK": ["NUM", "NUMLOCK"],
  "VK_SCROLL": ["SCROLLLOCK"],
  "VK_LWIN": ["LEFTWINDOWS", "LWIN"],
  "VK_RWIN": ["RIGHTWINDOWS", "RWIN"],
  "VK_APPS": ["APPLICATIONS"],
  "VK_SLEEP": ["COMPUTERSLEEP"],
  "VK_MULTIPLY": ["MULTIPLY"],
  "VK_ADD": ["ADD"],
  "VK_SEPARATOR": ["SEPARATOR"],
  "VK_SUBTRACT": ["SUBTRACT"],
  "VK_DECIMAL": ["DECIMAL"],
  "VK_DIVIDE": ["DIVIDE"],
  "VK_NUMPAD0": ["NUM0", "NUMPAD0"],
  "VK_NUMPAD1": ["NUM1", "NUMPAD1"],
  "VK_NUMPAD2": ["NUM2", "NUMPAD2"],
  "VK_NUMPAD3": ["NUM3", "NUMPAD3"],
  "VK_NUMPAD4": ["NUM4", "NUMPAD4"],
  "VK_NUMPAD5": ["NUM5", "NUMPAD5"],
  "VK_NUMPAD6": ["NUM6", "NUMPAD6"],
  "VK_NUMPAD7": ["NUM7", "NUMPAD7"],
  "VK_NUMPAD8": ["NUM8", "NUMPAD8"],
  "VK_NUMPAD9": ["NUM9", "NUMPAD9"],
  "VK_F1": ["F1"],
  "VK_F2": ["F2"],
  "VK_F3": ["F3"],
  "VK_F4": ["F4"],
  "VK_F5": ["F5"],
  "VK_F6": ["F6"],
  "VK_F7": ["F7"],
  "VK_F8": ["F8"],
  "VK_F9": ["F9"],
  "VK_F10": ["F10"],
  "VK_F11": ["F11"],
  "VK_F12": ["F12"],
  "VK_F13": ["F13"],
  "VK_F14": ["F14"],
  "VK_F15": ["F15"],
  "VK_F16": ["F16"],
  "VK_F17": ["F17"],
  "VK_F18": ["F18"],
  "VK_F19": ["F19"],
  "VK_F20": ["F20"],
  "VK_F21": ["F21"],
  "VK_F22": ["F22"],
  "VK_F23": ["F23"],
  "VK_F24": ["F24"],
  "VK_LSHIFT": ["LEFTSHIFT", "LSHIFT"],
  "VK_RSHIFT": ["RIGHTSHIFT", "RSHIFT"],
  "VK_LCONTROL": ["LEFTCONTROL", "LCTRL"],
  "VK_RCONTROL": ["RIGHTCONTROL", "RCTRL"],
  "VK_LMENU": ["LEFTMENU", "LMENU", "LALT"],
  "VK_RMENU": ["RIGHTMENU", "RMENU", "RALT"],
  "VK_PROCESSKEY": ["IMEPROCESS"],
  "VK_LBUTTON": ["LBUTTON"],
  "VK_RBUTTON": ["RBUTTON"],
  "VK_CANCEL": ["CANCEL"],
  "VK_MBUTTON": ["MBUTTON"],
  "VK_XBUTTON1": ["XBUTTON1"],
  "VK_XBUTTON2": ["XBUTTON2"],
  "VK_BROWSER_BACK": ["BROWSERBACK"],
  "VK_BROWSER_FORWARD": ["BROWSERFORWARD"],
  "VK_BROWSER_REFRESH": ["BROWSERREFRESH"],
  "VK_BROWSER_STOP": ["BROWSERSTOP"],
  "VK_BROWSER_SEARCH": ["BROWSERSEARCH"],
  "VK_BROWSER_FAVORITES": ["BROWSERFAVORITES"],
  "VK_BROWSER_HOME": ["BROWSERHOME"],
  "VK_VOLUME_MUTE": ["VOLUMEMUTE", 'MUTE'],
  "VK_VOLUME_DOWN": ["VOLUMEDOWN",'VDOWN'],
  "VK_VOLUME_UP": ["VOLUMEUP",'VUP'],
  "VK_MEDIA_NEXT_TRACK": ["MEDIANEXTTRACK"],
  "VK_MEDIA_PREV_TRACK": ["MEDIAPREVTRACK"],
  "VK_MEDIA_STOP": ["MEDIASTOP",'MSTOP'],
  "VK_MEDIA_PLAY_PAUSE": ["MEDIAPLAYPAUSE",'MPLAY'],
  "VK_LAUNCH_MAIL": ["LAUNCHMAIL"],
  "VK_LAUNCH_MEDIA_SELECT": ["LAUNCHMEDIASELECT"]
};
var str = '';
let crctable = function() {
    let c = 0,
        table = typeof Int32Array !== 'undefined' ? new Int32Array(256) : new Array(256);
    for (let n = 0; n !== 256; ++n) {
        c = n;
        for (let x = 0; x < 8; x++) {
            c = c & 1 ? -306674912 ^ c >>> 1 : c >>> 1;
        }
        table[n] = c;
    }
    return table;
}();

function crc32_bstr(bstr, seed) {
    let C = seed ^ -1,
        L = bstr.length - 1,
        i;
    for (i = 0; i < L;) {
        C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i++)) & 0xFF];
        C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i++)) & 0xFF];
    }
    if (i === L) C = C >>> 8 ^ crctable[(C ^ bstr.charCodeAt(i)) & 0xFF];
    return C ^ -1;
}

for (let i in obj) {for (let j of obj[i]) str +=`  case ${crc32_bstr(j)>>>0}U: // ${j}
`;
str +=`     return ${i};
`
}
str = `#include <stdint.h>
static WORD ParseCommand(const uint32_t hash) {
  switch (hash) {
` + str + `  }
  return FALSE;
}`;