proto.filterFiles = function(filelist, groups, relativePath, indexStr)
{
if (!groups || !groups.length || !groups[groups.length-1])
{
throw new Error('NO FILE INDEX,'+indexStr);
}
var requestMaxIndex = ClientKey.parse.maxIndexInGroup(groups);
debug('[%s]global len:%d group:%o, max index:%d, file lenth:%d',
indexStr, groups.length, groups, requestMaxIndex, filelist.length);
if (requestMaxIndex > filelist.length)
{
throw new Error('INDEX OVERFLOW,'+indexStr);
}
var indexs = ClientKey.parse.groups2indexs(groups);
var result = indexs.map(function(index)
{
var file = relativePath+filelist[index];
file = path.normalize(file);
if (isOverflowPath(file)) throw new Error('FILE PATH OVERFLOW,'+file);
return file;
});
debug('[%s] result len:%d indexs:%o list:%o', indexStr, result.length, indexs, result);
return result;
}
proto.parseFileArray = function(data)
{
try {
return Promise.resolve(ClientKey.parse.str2groups(data))
}
catch(err)
{
return Promise.reject(err);
}
};