47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
#include "CommandHandler.h"
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CommandHandler::CommandHandler(){
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for(uint32_t i = 0; i < MAX_COMMAND_SIZE; i++){
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commandCallbacks[i] = nullptr;
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commandCallbackIDs[i] = -1;
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}
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}
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bool CommandHandler::RegisterCommand(uint32_t commandID, CommandCallback callback){
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for(uint32_t i = 0; i < MAX_COMMAND_SIZE; i++){
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if(commandCallbacks[i] == nullptr){
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commandCallbacks[i] = callback;
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commandCallbackIDs[i] = commandID;
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return true;
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}
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}
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return false;
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}
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bool CommandHandler::RemoveCommand(uint32_t commandID){
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for(uint32_t i = 0; i < MAX_COMMAND_SIZE; i++){
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if(commandCallbackIDs[i] == commandID){
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commandCallbacks[i] = nullptr;
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commandCallbackIDs[i] = -1;
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return true;
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}
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}
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return false;
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}
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CommandHandler::CommandStatus CommandHandler::ProcessCommand(uint32_t * command, uint32_t commandSize){
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if(commandSize == 0){
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return CommandStatus::INVALID;
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}
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uint32_t commandID{command[0]};
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// get a pointer to the second element in the array because the first element is the command ID
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uint32_t * args{&(command[1])};
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for(uint32_t i = 0; i < MAX_COMMAND_SIZE; i++){
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if(commandCallbacks[i] != nullptr && commandCallbackIDs[i] == commandID){
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return commandCallbacks[i](args, commandSize-1);
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}
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}
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return CommandStatus::INVALID;
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} |