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7.6 KiB
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Executable File
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7.6 KiB
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Executable File
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(When state_vector is {} then this is the Delimiter)\n o_next = o.next_cl\n while o_next.next_cl? and unknown(o_next.creator, o_next.op_number)\n o_next = o_next.next_cl\n o_json.next = o_next.getUid()\n else if o.prev_cl?\n # same as the above with prev.\n o_prev = o.prev_cl\n while o_prev.prev_cl? and unknown(o_prev.creator, o_prev.op_number)\n o_prev = o_prev.prev_cl\n o_json.prev = o_prev.getUid()\n json.push o_json\n\n json\n\n #\n # Get the number of operations that were created by a user.\n # Accordingly you will get the next operation number that is expected from that user.\n # This will increment the operation counter.\n #\n getNextOperationIdentifier: (user_id)->\n if not user_id?\n user_id = @user_id\n if not @operation_counter[user_id]?\n @operation_counter[user_id] = 0\n uid =\n 'creator' : user_id\n 'op_number' : @operation_counter[user_id]\n @operation_counter[user_id]++\n uid\n\n #\n # Retrieve an operation from a unique id.\n #\n getOperation: (uid)->\n if uid instanceof Object\n @buffer[uid.creator]?[uid.op_number]\n else if not uid?\n else\n throw new Error \"This type of uid is not defined!\"\n #\n # Add an operation to the HB. Note that this will not link it against\n # other operations (it wont executed)\n #\n addOperation: (o)->\n if not @buffer[o.creator]?\n @buffer[o.creator] = {}\n if @buffer[o.creator][o.op_number]?\n throw new Error \"You must not overwrite operations!\"\n @buffer[o.creator][o.op_number] = o\n o\n\n #\n # Increment the operation_counter that defines the current state of the Engine.\n #\n addToCounter: (o)->\n if not @operation_counter[o.creator]?\n @operation_counter[o.creator] = 0\n if typeof o.op_number is 'number' and o.creator isnt @getUserId()\n # TODO: fix this issue better.\n # Operations should income in order\n # Then you don't have to do this..\n if o.op_number is @operation_counter[o.creator]\n @operation_counter[o.creator]++\n while @getOperation({creator:o.creator, op_number: @operation_counter[o.creator]})?\n @operation_counter[o.creator]++\n\n #if @operation_counter[o.creator] isnt (o.op_number + 1)\n #console.log (@operation_counter[o.creator] - (o.op_number + 1))\n #console.log o\n #throw new Error \"You don't receive operations in the proper order. Try counting like this 0,1,2,3,4,.. ;)\"\n\nmodule.exports = HistoryBuffer\n"]} |