text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  #include "config.h"
  
  #include "terminal_named-colors.h"
  #include "terminal_palette.h"
  
  #include <stdio.h>
  
  int guac_terminal_xparsecolor(const char* spec,
          guac_terminal_color* color) {
  
      int red;
      int green;
      int blue;
  
      /* 12-bit RGB ("rgb:h/h/h"), zero-padded to 24-bit */
      if (sscanf(spec, "rgb:%1x/%1x/%1x", &red, &green, &blue) == 3) {
          color->palette_index = -1; /* Not from palette. */
          color->red   = red   << 4;
          color->green = green << 4;
          color->blue  = blue  << 4;
          return 0;
      }
  
      /* 24-bit RGB ("rgb:hh/hh/hh") */
      if (sscanf(spec, "rgb:%2x/%2x/%2x", &red, &green, &blue) == 3) {
          color->palette_index = -1; /* Not from palette. */
          color->red   = red;
          color->green = green;
          color->blue  = blue;
          return 0;
      }
  
      /* 36-bit RGB ("rgb:hhh/hhh/hhh"), truncated to 24-bit */
      if (sscanf(spec, "rgb:%3x/%3x/%3x", &red, &green, &blue) == 3) {
          color->palette_index = -1; /* Not from palette. */
          color->red   = red   >> 4;
          color->green = green >> 4;
          color->blue  = blue  >> 4;
          return 0;
      }
  
      /* 48-bit RGB ("rgb:hhhh/hhhh/hhhh"), truncated to 24-bit */
      if (sscanf(spec, "rgb:%4x/%4x/%4x", &red, &green, &blue) == 3) {
          color->palette_index = -1; /* Not from palette. */
          color->red   = red   >> 8;
          color->green = green >> 8;
          color->blue  = blue  >> 8;
          return 0;
      }
  
      /* If not RGB, search for color by name */
      return guac_terminal_find_color(spec, color);
  
  }
  
  