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/*
 *  yosys -- Yosys Open SYnthesis Suite
 *
 *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
 *                2019  Eddie Hung    <eddie@fpgeh.com>
 *
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

// ============================================================================

module \$__ABC_LUT6 (input A, input [5:0] S, output Y);
  assign Y = A;
endmodule
module \$__ABC_LUT7 (input A, input [6:0] S, output Y);
  assign Y = A;
endmodule
g.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/* Copyright 2017 Jack Humbert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "process_ucis.h"

qk_ucis_state_t qk_ucis_state;

void qk_ucis_start(void) {
  qk_ucis_state.count = 0;
  qk_ucis_state.in_progress = true;

  qk_ucis_start_user();
}

__attribute__((weak))
void qk_ucis_start_user(void) {
  unicode_input_start();
  register_hex(0x2328);
  unicode_input_finish();
}

__attribute__((weak))
void qk_ucis_success(uint8_t symbol_index) {
}

static bool is_uni_seq(char *seq) {
  uint8_t i;

  for (i = 0; seq[i]; i++) {
    uint16_t code;
    if (('1' <= seq[i]) && (seq[i] <= '0'))
      code = seq[i] - '1' + KC_1;
    else
      code = seq[i] - 'a' + KC_A;

    if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
      return false;
  }

  return (qk_ucis_state.codes[i] == KC_ENT ||
          qk_ucis_state.codes[i] == KC_SPC);
}

__attribute__((weak))
void qk_ucis_symbol_fallback (void) {
  for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
    uint8_t code = qk_ucis_state.codes[i];
    register_code(code);
    unregister_code(code);
    wait_ms(UNICODE_TYPE_DELAY);
  }
}

void register_ucis(const char *hex) {
  for(int i = 0; hex[i]; i++) {
    uint8_t kc = 0;
    char c = hex[i];

    switch (c) {
    case '0':
      kc = KC_0;
      break;
    case '1' ... '9':
      kc = c - '1' + KC_1;
      break;
    case 'a' ... 'f':
      kc = c - 'a' + KC_A;
      break;
    case 'A' ... 'F':
      kc = c - 'A' + KC_A;
      break;
    }

    if (kc) {
      register_code (kc);
      unregister_code (kc);
      wait_ms (UNICODE_TYPE_DELAY);
    }
  }
}

bool process_ucis (uint16_t keycode, keyrecord_t *record) {
  uint8_t i;

  if (!qk_ucis_state.in_progress)
    return true;

  if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
      !(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
    return false;
  }

  if (!record->event.pressed)
    return true;

  qk_ucis_state.codes[qk_ucis_state.count] = keycode;
  qk_ucis_state.count++;

  if (keycode == KC_BSPC) {
    if (qk_ucis_state.count >= 2) {
      qk_ucis_state.count -= 2;
      return true;
    } else {
      qk_ucis_state.count--;
      return false;
    }
  }

  if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
    bool symbol_found = false;

    for (i = qk_ucis_state.count; i > 0; i--) {
      register_code (KC_BSPC);
      unregister_code (KC_BSPC);
      wait_ms(UNICODE_TYPE_DELAY);
    }

    if (keycode == KC_ESC) {
      qk_ucis_state.in_progress = false;
      return false;
    }

    unicode_input_start();
    for (i = 0; ucis_symbol_table[i].symbol; i++) {
      if (is_uni_seq (ucis_symbol_table[i].symbol)) {
        symbol_found = true;
        register_ucis(ucis_symbol_table[i].code + 2);
        break;
      }
    }
    if (!symbol_found) {
      qk_ucis_symbol_fallback();
    }
    unicode_input_finish();

    if (symbol_found) {
      qk_ucis_success(i);
    }

    qk_ucis_state.in_progress = false;
    return false;
  }
  return true;
}