code: function interpretDict(dict, meta, strings) {
              var newDict = {};
  
              // Because we also want to include missing values, we start out from the meta list
              // and lookup values in the dict.
              for (var i = 0, l = meta.length; i < l; i++) {
                  var m = meta[i];
                  var value = dict[m.op];
                  if (value === undefined) {
                      value = m.value !== undefined ? m.value : null;
                  }
  
                  if (m.type === 'SID') {
                      value = getCFFString(strings, value);
                  }
  
                  newDict[m.name] = value;
              }
  
              return newDict;
          }
docs: 解析字典值
  
  @param  {Object} dict    字典数据
  @param  {Array} meta    元数据
  @param  {Object} strings cff字符串字典
  @return {Object}         解析后数据