48 lines
1014 B
C++
48 lines
1014 B
C++
#ifndef COMMANDHANDLER_H
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#define COMMANDHANDLER_H
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#include "DisplayProxy.h"
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/**
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* Parse a JSON command and convert it into display command(s).
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*
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*
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*/
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class CommandHandler
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{
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public:
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/**
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* Constructor.
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*
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* @param display Takes an implementation of DisplayProxy through polymorphism.
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*/
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explicit CommandHandler(DisplayProxy *display);
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/**
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* Parse a command in JSON format
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* @code{.json}
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* To display a string
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*
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* {"cmd":"write","x": 2, "y": 10, "text":"Hello World"}
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*
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* or to clear the display
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*
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* {"cmd":"clear"}
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* @endcode
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*
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* @param cmd String to parse
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* @return True if the input was parsed correctly.
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*/
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bool parseJSON(const char *cmd);
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private:
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/**
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* Internal helpers for printing debug strings
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*/
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void debugSerial(const char *text);
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void debugSerial(const char *command, const char *text);
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/**
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* Display instance
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*/
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DisplayProxy *display;
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};
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#endif |