Blockly.PHP[''] = function()

in generators/php/lists.js [132:245]

• 113 lines of code
• 37 McCabe index (conditional complexity)

Blockly.PHP['lists_getIndex'] = function(block) {
  // Get element at index.
  var mode = block.getFieldValue('MODE') || 'GET';
  var where = block.getFieldValue('WHERE') || 'FROM_START';
  switch (where) {
    case 'FIRST':
      if (mode == 'GET') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_MEMBER) || 'array()';
        var code = list + '[0]';
        return [code, Blockly.PHP.ORDER_MEMBER];
      } else if (mode == 'GET_REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var code = 'array_shift(' + list + ')';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        return 'array_shift(' + list + ');\n';
      }
      break;
    case 'LAST':
      if (mode == 'GET') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var code = 'end(' + list + ')';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'GET_REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var code = 'array_pop(' + list + ')';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        return 'array_pop(' + list + ');\n';
      }
      break;
    case 'FROM_START':
      var at = Blockly.PHP.getAdjusted(block, 'AT');
      if (mode == 'GET') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_MEMBER) || 'array()';
        var code = list + '[' + at + ']';
        return [code, Blockly.PHP.ORDER_MEMBER];
      } else if (mode == 'GET_REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var code = 'array_splice(' + list + ', ' + at + ', 1)[0]';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        return 'array_splice(' + list + ', ' + at + ', 1);\n';
      }
      break;
    case 'FROM_END':
      if (mode == 'GET') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var at = Blockly.PHP.getAdjusted(block, 'AT', 1, true);
        var code = 'array_slice(' + list + ', ' + at + ', 1)[0]';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'GET_REMOVE' || mode == 'REMOVE') {
        var list = Blockly.PHP.valueToCode(block, 'VALUE',
                Blockly.PHP.ORDER_NONE) || 'array()';
        var at = Blockly.PHP.getAdjusted(block, 'AT', 1, false,
            Blockly.PHP.ORDER_SUBTRACTION);
        code = 'array_splice(' + list +
            ', count(' + list + ') - ' + at + ', 1)[0]';
        if (mode == 'GET_REMOVE') {
          return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
        } else if (mode == 'REMOVE') {
          return code + ';\n';
        }
      }
      break;
    case 'RANDOM':
      var list = Blockly.PHP.valueToCode(block, 'VALUE',
              Blockly.PHP.ORDER_NONE) || 'array()';
      if (mode == 'GET') {
        var functionName = Blockly.PHP.provideFunction_(
            'lists_get_random_item',
            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
                '($list) {',
             '  return $list[rand(0,count($list)-1)];',
             '}']);
        code = functionName + '(' + list + ')';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'GET_REMOVE') {
        var functionName = Blockly.PHP.provideFunction_(
            'lists_get_remove_random_item',
            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
                '(&$list) {',
             '  $x = rand(0,count($list)-1);',
             '  unset($list[$x]);',
             '  return array_values($list);',
             '}']);
        code = functionName + '(' + list + ')';
        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
      } else if (mode == 'REMOVE') {
        var functionName = Blockly.PHP.provideFunction_(
            'lists_remove_random_item',
            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
                '(&$list) {',
             '  unset($list[rand(0,count($list)-1)]);',
             '}']);
        return functionName + '(' + list + ');\n';
      }
      break;
  }
  throw Error('Unhandled combination (lists_getIndex).');
};