llviewercommunication.h

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#ifndef LL_LLVIEWERCOMMUNICATION_H
#define LL_LLVIEWERCOMMUNICATION_H

#include <map>

class LLViewerCircuit
{
public:
        LLViewerCircuit(U32 channel) : mChannel(channel) {};
        LLViewerCircuit() : mChannel(0) {}

        U32 getChannel() const { return mChannel; }

        void sendReply(const LLString& data);
protected:
        U32 mChannel;
};



typedef void(*viewer_extension_callback_t)(LLString& data, LLViewerCircuit& circuit, void *user_data);


class LLViewerExtension
{
public:
        LLViewerExtension(const LLString& name = "<unknown>", const U32 version = 0, viewer_extension_callback_t callback = NULL, void *user_data = NULL, const LLString& author = "", const LLString& description = "") :
                mName(name), mAuthor(author), mDescription(description), mVersion(version), mCallback(callback), mUserData(user_data) {};

        LLString asString() const { return mName; }

        LLString getName() const { return mName; }
        LLString getAuthor() const { return mAuthor; }
        LLString getDescription() const { return mDescription; }
        U32 getVersion() const { return mVersion; }

        void notify(LLString& data, LLViewerCircuit& circuit) { mCallback(data, circuit, mUserData); }
protected:
        LLString mName;
        LLString mAuthor;
        LLString mDescription;
        U32 mVersion;

        viewer_extension_callback_t mCallback;
        void *mUserData;
};



class LLViewerCommunication
{
public:
        LLViewerCommunication();

        bool parse(const LLString &text, const LLUUID& speaker);
        bool parse(char *text, const LLUUID& speaker) { LLString tmp = text; return parse(tmp, speaker); }

        void registerExtension(LLViewerExtension ext) { mExtensions[ext.getName()] = ext; }
        

protected:
        std::map<LLString, LLViewerExtension> mExtensions;
        std::map<LLUUID, LLViewerCircuit> mCircuits;
};

extern LLViewerCommunication *gViewerCommunication;

#endif

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