keys.c

/*
 * The MIT License
 *
 * Copyright 2014 Robin Müller.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <stdio.h>

#include <stdint.h>
#include <string.h>
#include <errno.h>

#include <linux/input.h>

#include "keys.h"


#define KEYS_COUNT 402

struct key {
  char *name;
  int code;
};

struct key keys[KEYS_COUNT] = {
  "0", KEY_0,
  "1", KEY_1,
  "102ND", KEY_102ND,
  "10CHANNELSDOWN", KEY_10CHANNELSDOWN,
  "10CHANNELSUP", KEY_10CHANNELSUP,
  "2", KEY_2,
  "3", KEY_3,
  "4", KEY_4,
  "5", KEY_5,
  "6", KEY_6,
  "7", KEY_7,
  "8", KEY_8,
  "9", KEY_9,
  "A", KEY_A,
  "AB", KEY_AB,
  "ADDRESSBOOK", KEY_ADDRESSBOOK,
  "AGAIN", KEY_AGAIN,
  "ALS_TOGGLE", KEY_ALS_TOGGLE,
  "ALTERASE", KEY_ALTERASE,
  "ANGLE", KEY_ANGLE,
  "APOSTROPHE", KEY_APOSTROPHE,
  "ARCHIVE", KEY_ARCHIVE,
  "ATTENDANT_OFF", KEY_ATTENDANT_OFF,
  "ATTENDANT_ON", KEY_ATTENDANT_ON,
  "ATTENDANT_TOGGLE", KEY_ATTENDANT_TOGGLE,
  "AUDIO", KEY_AUDIO,
  "AUX", KEY_AUX,
  "B", KEY_B,
  "BACK", KEY_BACK,
  "BACKSLASH", KEY_BACKSLASH,
  "BACKSPACE", KEY_BACKSPACE,
  "BASSBOOST", KEY_BASSBOOST,
  "BATTERY", KEY_BATTERY,
  "BLUE", KEY_BLUE,
  "BLUETOOTH", KEY_BLUETOOTH,
  "BOOKMARKS", KEY_BOOKMARKS,
  "BREAK", KEY_BREAK,
  "BRIGHTNESS_CYCLE", KEY_BRIGHTNESS_CYCLE,
  "BRIGHTNESSDOWN", KEY_BRIGHTNESSDOWN,
  "BRIGHTNESSUP", KEY_BRIGHTNESSUP,
  "BRIGHTNESS_ZERO", KEY_BRIGHTNESS_ZERO,
  "BRL_DOT1", KEY_BRL_DOT1,
  "BRL_DOT10", KEY_BRL_DOT10,
  "BRL_DOT2", KEY_BRL_DOT2,
  "BRL_DOT3", KEY_BRL_DOT3,
  "BRL_DOT4", KEY_BRL_DOT4,
  "BRL_DOT5", KEY_BRL_DOT5,
  "BRL_DOT6", KEY_BRL_DOT6,
  "BRL_DOT7", KEY_BRL_DOT7,
  "BRL_DOT8", KEY_BRL_DOT8,
  "BRL_DOT9", KEY_BRL_DOT9,
  "C", KEY_C,
  "CALC", KEY_CALC,
  "CALENDAR", KEY_CALENDAR,
  "CAMERA", KEY_CAMERA,
  "CAMERA_DOWN", KEY_CAMERA_DOWN,
  "CAMERA_FOCUS", KEY_CAMERA_FOCUS,
  "CAMERA_LEFT", KEY_CAMERA_LEFT,
  "CAMERA_RIGHT", KEY_CAMERA_RIGHT,
  "CAMERA_UP", KEY_CAMERA_UP,
  "CAMERA_ZOOMIN", KEY_CAMERA_ZOOMIN,
  "CAMERA_ZOOMOUT", KEY_CAMERA_ZOOMOUT,
  "CANCEL", KEY_CANCEL,
  "CAPSLOCK", KEY_CAPSLOCK,
  "CD", KEY_CD,
  "CHANNEL", KEY_CHANNEL,
  "CHANNELDOWN", KEY_CHANNELDOWN,
  "CHANNELUP", KEY_CHANNELUP,
  "CHAT", KEY_CHAT,
  "CLEAR", KEY_CLEAR,
  "CLOSE", KEY_CLOSE,
  "CLOSECD", KEY_CLOSECD,
  "CNT", KEY_CNT,
  "COFFEE", KEY_COFFEE,
  "COMMA", KEY_COMMA,
  "COMPOSE", KEY_COMPOSE,
  "COMPUTER", KEY_COMPUTER,
  "CONFIG", KEY_CONFIG,
  "CONNECT", KEY_CONNECT,
  "CONTEXT_MENU", KEY_CONTEXT_MENU,
  "COPY", KEY_COPY,
  "CUT", KEY_CUT,
  "CYCLEWINDOWS", KEY_CYCLEWINDOWS,
  "D", KEY_D,
  "DASHBOARD", KEY_DASHBOARD,
  "DATABASE", KEY_DATABASE,
  "DEL_EOL", KEY_DEL_EOL,
  "DEL_EOS", KEY_DEL_EOS,
  "DELETE", KEY_DELETE,
  "DELETEFILE", KEY_DELETEFILE,
  "DEL_LINE", KEY_DEL_LINE,
  "DIGITS", KEY_DIGITS,
  "DIRECTION", KEY_DIRECTION,
  "DIRECTORY", KEY_DIRECTORY,
  "DISPLAY_OFF", KEY_DISPLAY_OFF,
  "DISPLAYTOGGLE", KEY_DISPLAYTOGGLE,
  "DOCUMENTS", KEY_DOCUMENTS,
  "DOLLAR", KEY_DOLLAR,
  "DOT", KEY_DOT,
  "DOWN", KEY_DOWN,
  "DVD", KEY_DVD,
  "E", KEY_E,
  "EDIT", KEY_EDIT,
  "EDITOR", KEY_EDITOR,
  "EJECTCD", KEY_EJECTCD,
  "EJECTCLOSECD", KEY_EJECTCLOSECD,
  "EMAIL", KEY_EMAIL,
  "END", KEY_END,
  "ENTER", KEY_ENTER,
  "EPG", KEY_EPG,
  "EQUAL", KEY_EQUAL,
  "ESC", KEY_ESC,
  "EURO", KEY_EURO,
  "EXIT", KEY_EXIT,
  "F", KEY_F,
  "F1", KEY_F1,
  "F10", KEY_F10,
  "F11", KEY_F11,
  "F12", KEY_F12,
  "F13", KEY_F13,
  "F14", KEY_F14,
  "F15", KEY_F15,
  "F16", KEY_F16,
  "F17", KEY_F17,
  "F18", KEY_F18,
  "F19", KEY_F19,
  "F2", KEY_F2,
  "F20", KEY_F20,
  "F21", KEY_F21,
  "F22", KEY_F22,
  "F23", KEY_F23,
  "F24", KEY_F24,
  "F3", KEY_F3,
  "F4", KEY_F4,
  "F5", KEY_F5,
  "F6", KEY_F6,
  "F7", KEY_F7,
  "F8", KEY_F8,
  "F9", KEY_F9,
  "FASTFORWARD", KEY_FASTFORWARD,
  "FAVORITES", KEY_FAVORITES,
  "FILE", KEY_FILE,
  "FINANCE", KEY_FINANCE,
  "FIND", KEY_FIND,
  "FIRST", KEY_FIRST,
  "FN", KEY_FN,
  "FN_1", KEY_FN_1,
  "FN_2", KEY_FN_2,
  "FN_B", KEY_FN_B,
  "FN_D", KEY_FN_D,
  "FN_E", KEY_FN_E,
  "FN_ESC", KEY_FN_ESC,
  "FN_F", KEY_FN_F,
  "FN_F1", KEY_FN_F1,
  "FN_F10", KEY_FN_F10,
  "FN_F11", KEY_FN_F11,
  "FN_F12", KEY_FN_F12,
  "FN_F2", KEY_FN_F2,
  "FN_F3", KEY_FN_F3,
  "FN_F4", KEY_FN_F4,
  "FN_F5", KEY_FN_F5,
  "FN_F6", KEY_FN_F6,
  "FN_F7", KEY_FN_F7,
  "FN_F8", KEY_FN_F8,
  "FN_F9", KEY_FN_F9,
  "FN_S", KEY_FN_S,
  "FORWARD", KEY_FORWARD,
  "FORWARDMAIL", KEY_FORWARDMAIL,
  "FRAMEBACK", KEY_FRAMEBACK,
  "FRAMEFORWARD", KEY_FRAMEFORWARD,
  "FRONT", KEY_FRONT,
  "G", KEY_G,
  "GAMES", KEY_GAMES,
  "GOTO", KEY_GOTO,
  "GRAPHICSEDITOR", KEY_GRAPHICSEDITOR,
  "GRAVE", KEY_GRAVE,
  "GREEN", KEY_GREEN,
  "H", KEY_H,
  "HANGEUL", KEY_HANGEUL,
  "HANGUEL", KEY_HANGUEL,
  "HANJA", KEY_HANJA,
  "HELP", KEY_HELP,
  "HENKAN", KEY_HENKAN,
  "HIRAGANA", KEY_HIRAGANA,
  "HOME", KEY_HOME,
  "HOMEPAGE", KEY_HOMEPAGE,
  "HP", KEY_HP,
  "I", KEY_I,
  "IMAGES", KEY_IMAGES,
  "INFO", KEY_INFO,
  "INSERT", KEY_INSERT,
  "INS_LINE", KEY_INS_LINE,
  "ISO", KEY_ISO,
  "J", KEY_J,
  "K", KEY_K,
  "KATAKANA", KEY_KATAKANA,
  "KATAKANAHIRAGANA", KEY_KATAKANAHIRAGANA,
  "KBDILLUMDOWN", KEY_KBDILLUMDOWN,
  "KBDILLUMTOGGLE", KEY_KBDILLUMTOGGLE,
  "KBDILLUMUP", KEY_KBDILLUMUP,
  "KEYBOARD", KEY_KEYBOARD,
  "KP0", KEY_KP0,
  "KP1", KEY_KP1,
  "KP2", KEY_KP2,
  "KP3", KEY_KP3,
  "KP4", KEY_KP4,
  "KP5", KEY_KP5,
  "KP6", KEY_KP6,
  "KP7", KEY_KP7,
  "KP8", KEY_KP8,
  "KP9", KEY_KP9,
  "KPASTERISK", KEY_KPASTERISK,
  "KPCOMMA", KEY_KPCOMMA,
  "KPDOT", KEY_KPDOT,
  "KPENTER", KEY_KPENTER,
  "KPEQUAL", KEY_KPEQUAL,
  "KPJPCOMMA", KEY_KPJPCOMMA,
  "KPLEFTPAREN", KEY_KPLEFTPAREN,
  "KPMINUS", KEY_KPMINUS,
  "KPPLUS", KEY_KPPLUS,
  "KPPLUSMINUS", KEY_KPPLUSMINUS,
  "KPRIGHTPAREN", KEY_KPRIGHTPAREN,
  "KPSLASH", KEY_KPSLASH,
  "L", KEY_L,
  "LANGUAGE", KEY_LANGUAGE,
  "LAST", KEY_LAST,
  "LEFT", KEY_LEFT,
  "LEFTALT", KEY_LEFTALT,
  "LEFTBRACE", KEY_LEFTBRACE,
  "LEFTCTRL", KEY_LEFTCTRL,
  "LEFTMETA", KEY_LEFTMETA,
  "LEFTSHIFT", KEY_LEFTSHIFT,
  "LIGHTS_TOGGLE", KEY_LIGHTS_TOGGLE,
  "LINEFEED", KEY_LINEFEED,
  "LIST", KEY_LIST,
  "LOGOFF", KEY_LOGOFF,
  "M", KEY_M,
  "MACRO", KEY_MACRO,
  "MAIL", KEY_MAIL,
  "MAX", KEY_MAX,
  "MEDIA", KEY_MEDIA,
  "MEDIA_REPEAT", KEY_MEDIA_REPEAT,
  "MEMO", KEY_MEMO,
  "MENU", KEY_MENU,
  "MESSENGER", KEY_MESSENGER,
  "MHP", KEY_MHP,
  "MICMUTE", KEY_MICMUTE,
  "MIN_INTERESTING", KEY_MIN_INTERESTING,
  "MINUS", KEY_MINUS,
  "MODE", KEY_MODE,
  "MOVE", KEY_MOVE,
  "MP3", KEY_MP3,
  "MSDOS", KEY_MSDOS,
  "MUHENKAN", KEY_MUHENKAN,
  "MUTE", KEY_MUTE,
  "N", KEY_N,
  "NEW", KEY_NEW,
  "NEWS", KEY_NEWS,
  "NEXT", KEY_NEXT,
  "NEXTSONG", KEY_NEXTSONG,
  "NUMERIC_0", KEY_NUMERIC_0,
  "NUMERIC_1", KEY_NUMERIC_1,
  "NUMERIC_2", KEY_NUMERIC_2,
  "NUMERIC_3", KEY_NUMERIC_3,
  "NUMERIC_4", KEY_NUMERIC_4,
  "NUMERIC_5", KEY_NUMERIC_5,
  "NUMERIC_6", KEY_NUMERIC_6,
  "NUMERIC_7", KEY_NUMERIC_7,
  "NUMERIC_8", KEY_NUMERIC_8,
  "NUMERIC_9", KEY_NUMERIC_9,
  "NUMERIC_POUND", KEY_NUMERIC_POUND,
  "NUMERIC_STAR", KEY_NUMERIC_STAR,
  "NUMLOCK", KEY_NUMLOCK,
  "O", KEY_O,
  "OK", KEY_OK,
  "OPEN", KEY_OPEN,
  "OPTION", KEY_OPTION,
  "P", KEY_P,
  "PAGEDOWN", KEY_PAGEDOWN,
  "PAGEUP", KEY_PAGEUP,
  "PASTE", KEY_PASTE,
  "PAUSE", KEY_PAUSE,
  "PAUSECD", KEY_PAUSECD,
  "PC", KEY_PC,
  "PHONE", KEY_PHONE,
  "PLAY", KEY_PLAY,
  "PLAYCD", KEY_PLAYCD,
  "PLAYER", KEY_PLAYER,
  "PLAYPAUSE", KEY_PLAYPAUSE,
  "POWER", KEY_POWER,
  "POWER2", KEY_POWER2,
  "PRESENTATION", KEY_PRESENTATION,
  "PREVIOUS", KEY_PREVIOUS,
  "PREVIOUSSONG", KEY_PREVIOUSSONG,
  "PRINT", KEY_PRINT,
  "PROG1", KEY_PROG1,
  "PROG2", KEY_PROG2,
  "PROG3", KEY_PROG3,
  "PROG4", KEY_PROG4,
  "PROGRAM", KEY_PROGRAM,
  "PROPS", KEY_PROPS,
  "PVR", KEY_PVR,
  "Q", KEY_Q,
  "QUESTION", KEY_QUESTION,
  "R", KEY_R,
  "RADIO", KEY_RADIO,
  "RECORD", KEY_RECORD,
  "RED", KEY_RED,
  "REDO", KEY_REDO,
  "REFRESH", KEY_REFRESH,
  "REPLY", KEY_REPLY,
  "RESTART", KEY_RESTART,
  "REWIND", KEY_REWIND,
  "RFKILL", KEY_RFKILL,
  "RIGHT", KEY_RIGHT,
  "RIGHTALT", KEY_RIGHTALT,
  "RIGHTBRACE", KEY_RIGHTBRACE,
  "RIGHTCTRL", KEY_RIGHTCTRL,
  "RIGHTMETA", KEY_RIGHTMETA,
  "RIGHTSHIFT", KEY_RIGHTSHIFT,
  "RO", KEY_RO,
  "S", KEY_S,
  "SAT", KEY_SAT,
  "SAT2", KEY_SAT2,
  "SAVE", KEY_SAVE,
  "SCALE", KEY_SCALE,
  "SCREEN", KEY_SCREEN,
  "SCREENLOCK", KEY_SCREENLOCK,
  "SCROLLDOWN", KEY_SCROLLDOWN,
  "SCROLLLOCK", KEY_SCROLLLOCK,
  "SCROLLUP", KEY_SCROLLUP,
  "SEARCH", KEY_SEARCH,
  "SELECT", KEY_SELECT,
  "SEMICOLON", KEY_SEMICOLON,
  "SEND", KEY_SEND,
  "SENDFILE", KEY_SENDFILE,
  "SETUP", KEY_SETUP,
  "SHOP", KEY_SHOP,
  "SHUFFLE", KEY_SHUFFLE,
  "SLASH", KEY_SLASH,
  "SLEEP", KEY_SLEEP,
  "SLOW", KEY_SLOW,
  "SOUND", KEY_SOUND,
  "SPACE", KEY_SPACE,
  "SPELLCHECK", KEY_SPELLCHECK,
  "SPORT", KEY_SPORT,
  "SPREADSHEET", KEY_SPREADSHEET,
  "STOP", KEY_STOP,
  "STOPCD", KEY_STOPCD,
  "SUBTITLE", KEY_SUBTITLE,
  "SUSPEND", KEY_SUSPEND,
  "SWITCHVIDEOMODE", KEY_SWITCHVIDEOMODE,
  "SYSRQ", KEY_SYSRQ,
  "T", KEY_T,
  "TAB", KEY_TAB,
  "TAPE", KEY_TAPE,
  "TEEN", KEY_TEEN,
  "TEXT", KEY_TEXT,
  "TIME", KEY_TIME,
  "TITLE", KEY_TITLE,
  "TOUCHPAD_OFF", KEY_TOUCHPAD_OFF,
  "TOUCHPAD_ON", KEY_TOUCHPAD_ON,
  "TOUCHPAD_TOGGLE", KEY_TOUCHPAD_TOGGLE,
  "TUNER", KEY_TUNER,
  "TV", KEY_TV,
  "TV2", KEY_TV2,
  "TWEN", KEY_TWEN,
  "U", KEY_U,
  "UNDO", KEY_UNDO,
  "UNKNOWN", KEY_UNKNOWN,
  "UP", KEY_UP,
  "UWB", KEY_UWB,
  "V", KEY_V,
  "VCR", KEY_VCR,
  "VCR2", KEY_VCR2,
  "VENDOR", KEY_VENDOR,
  "VIDEO", KEY_VIDEO,
  "VIDEO_NEXT", KEY_VIDEO_NEXT,
  "VIDEOPHONE", KEY_VIDEOPHONE,
  "VIDEO_PREV", KEY_VIDEO_PREV,
  "VOICEMAIL", KEY_VOICEMAIL,
  "VOLUMEDOWN", KEY_VOLUMEDOWN,
  "VOLUMEUP", KEY_VOLUMEUP,
  "W", KEY_W,
  "WAKEUP", KEY_WAKEUP,
  "WIMAX", KEY_WIMAX,
  "WLAN", KEY_WLAN,
  "WORDPROCESSOR", KEY_WORDPROCESSOR,
  "WPS_BUTTON", KEY_WPS_BUTTON,
  "WWAN", KEY_WWAN,
  "WWW", KEY_WWW,
  "X", KEY_X,
  "XFER", KEY_XFER,
  "Y", KEY_Y,
  "YELLOW", KEY_YELLOW,
  "YEN", KEY_YEN,
  "Z", KEY_Z,
  "ZENKAKUHANKAKU", KEY_ZENKAKUHANKAKU,
  "ZOOM", KEY_ZOOM,
  "ZOOMIN", KEY_ZOOMIN,
  "ZOOMOUT", KEY_ZOOMOUT,
  "ZOOMRESET", KEY_ZOOMRESET
};

int get_key_code(char *key_name) {
  unsigned int low, high, mid;
  low = 0;
  high = KEYS_COUNT - 1;
  while (low <= high) {
    mid = (low + high) / 2;
    int cmp = strcmp(keys[mid].name, key_name);
    if (cmp > 0) {
      high = mid - 1;
    } else if (cmp < 0) {
      low = mid + 1;
    } else {
      return keys[mid].code;
    }
  }
  return -EINVAL;
}