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ConfigReader.h
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ConfigReader.h
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#pragma once
#include "rapidjson/document.h"
#include <fstream>
#include <sstream>
#include <string>
#define CONFIG_FILE_NAME "fledermaus_config.json"
#define SPEED_NAME Speed
#define FIST_TO_LIFT_NAME FistToLiftActive
#define RIGHT_CLICK_ACTIVE_NAME RightClickActive
#define LOCK_MOUSE_ON_SCROLL_NAME LockMouseOnScroll
#define SCROLLING_ON_NAME ScrollingActive
#define SCROLLING_SPEED_NAME ScrollingSpeed
#define SCROLL_THRESHOLD_NAME ScrollThreshold
#define ORIENTATION_NAME VerticalOrientation
#define INDEX_PINCH_THRESHOLD_NAME IndexPinchThreshold
#define USE_ABSOLUTE_MOUSE_POSITION UseAbsoluteMousePosition
#define BOUNDS_LEFT_NAME BoundsLeftMeters
#define BOUNDS_RIGHT_NAME BoundsRightMeters
#define BOUNDS_LOWER_NAME BoundsLowerMeters
#define BOUNDS_UPPER_NAME BoundsUpperMeters
#define BOUNDS_NEAR_NAME BoundsNearMeters
#define BOUNDS_FAR_NAME BoundsFarMeters
#define LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME LimitTrackingToWithinBounds
#define STRINGIFY(x) #x
#define STRINGIFY_HELPER(x) STRINGIFY(x)
#define TOKENPASTE_HELPER(x, y) x ## y
#define TOKENPASTE(x, y) TOKENPASTE_HELPER(x, y)
namespace rjs=rapidjson;
#define SETTERS_AND_GETTERS_BOOL(name, def) private: \
bool TOKENPASTE(name, _) = def; \
public: \
void TOKENPASTE(Set, name)(const bool name) \
{ \
TOKENPASTE(name, _) = name; \
} \
bool TOKENPASTE(Get, name)##() \
{ \
return TOKENPASTE(name, _); \
}
#define SETTERS_AND_GETTERS_FLOAT(name, default) private: \
float TOKENPASTE(name, _) = default; \
public: \
void TOKENPASTE(Set, name)(const float name) \
{ \
TOKENPASTE(name, _) = name; \
} \
float TOKENPASTE(Get, name) ##() \
{ \
return TOKENPASTE(name, _); \
}
class ConfigReader {
SETTERS_AND_GETTERS_FLOAT(SPEED_NAME, 2.0f);
SETTERS_AND_GETTERS_BOOL(SCROLLING_ON_NAME, true);
SETTERS_AND_GETTERS_FLOAT(SCROLLING_SPEED_NAME, 4.0f);
SETTERS_AND_GETTERS_FLOAT(SCROLL_THRESHOLD_NAME, 20.0f)
SETTERS_AND_GETTERS_BOOL(ORIENTATION_NAME, true);
SETTERS_AND_GETTERS_BOOL(LOCK_MOUSE_ON_SCROLL_NAME, true);
SETTERS_AND_GETTERS_BOOL(RIGHT_CLICK_ACTIVE_NAME, true);
SETTERS_AND_GETTERS_BOOL(FIST_TO_LIFT_NAME, true);
SETTERS_AND_GETTERS_FLOAT(INDEX_PINCH_THRESHOLD_NAME, 35.0f);
SETTERS_AND_GETTERS_BOOL(USE_ABSOLUTE_MOUSE_POSITION, true);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_LEFT_NAME, 0.25f);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_RIGHT_NAME, 0.25f);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_LOWER_NAME, 0.10f);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_UPPER_NAME, 0.35f);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_NEAR_NAME, 0.15f);
SETTERS_AND_GETTERS_FLOAT(BOUNDS_FAR_NAME, 0.15f);
SETTERS_AND_GETTERS_BOOL(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME, false)
private:
std::string config_file_name_;
rjs::Document d_;
public:
ConfigReader(std::string config_file_name) :
config_file_name_(config_file_name)
{
std::ifstream ifs(config_file_name_);
if (!ifs.fail())
{
std::string line;
std::stringstream ss;
while (std::getline(ifs, line))
{
ss << line;
}
d_.Parse(ss.str().c_str());
validateAndLoadJson();
}
else
{
printf("Couldn't find config file.\n");
}
}
ConfigReader() : ConfigReader(CONFIG_FILE_NAME)
{}
~ConfigReader() {}
void print()
{
printf( STRINGIFY_HELPER(SPEED_NAME) ": %f\n", TOKENPASTE(SPEED_NAME, _));
printf( STRINGIFY_HELPER(FIST_TO_LIFT_NAME) ": %s\n", TOKENPASTE(FIST_TO_LIFT_NAME, _) ? "true" : "false");
printf( STRINGIFY_HELPER(RIGHT_CLICK_ACTIVE_NAME) ": %s\n", TOKENPASTE(RIGHT_CLICK_ACTIVE_NAME, _) ? "true" : "false");
printf( STRINGIFY_HELPER(LOCK_MOUSE_ON_SCROLL_NAME) ": %s\n", TOKENPASTE(LOCK_MOUSE_ON_SCROLL_NAME, _) ? "true" : "false");
printf( STRINGIFY_HELPER(SCROLLING_ON_NAME) ": %s\n", TOKENPASTE(SCROLLING_ON_NAME, _) ? "true" : "false");
printf( STRINGIFY_HELPER(SCROLLING_SPEED_NAME) ": %f\n", TOKENPASTE(SCROLLING_SPEED_NAME, _));
printf( STRINGIFY_HELPER(SCROLL_THRESHOLD_NAME) ": %f\n", TOKENPASTE(SCROLL_THRESHOLD_NAME, _));
printf( STRINGIFY_HELPER(ORIENTATION_NAME) ": %s\n", TOKENPASTE(ORIENTATION_NAME, _) ? "true" : "false");
printf( STRINGIFY_HELPER(INDEX_PINCH_THRESHOLD_NAME) ": %f\n", TOKENPASTE(INDEX_PINCH_THRESHOLD_NAME, _));
printf( STRINGIFY_HELPER(USE_ABSOLUTE_MOUSE_POSITION) ": %s\n", TOKENPASTE(USE_ABSOLUTE_MOUSE_POSITION, _) ? "true" : "false");
printf( STRINGIFY_HELPER(BOUNDS_LEFT_NAME) ": %f\n", TOKENPASTE(BOUNDS_LEFT_NAME, _));
printf( STRINGIFY_HELPER(BOUNDS_RIGHT_NAME) ": %f\n", TOKENPASTE(BOUNDS_RIGHT_NAME, _));
printf( STRINGIFY_HELPER(BOUNDS_LOWER_NAME) ": %f\n", TOKENPASTE(BOUNDS_LOWER_NAME, _));
printf( STRINGIFY_HELPER(BOUNDS_UPPER_NAME) ": %f\n", TOKENPASTE(BOUNDS_UPPER_NAME, _));
printf( STRINGIFY_HELPER(BOUNDS_NEAR_NAME) ": %f\n", TOKENPASTE(BOUNDS_NEAR_NAME, _));
printf( STRINGIFY_HELPER(BOUNDS_FAR_NAME) ": %f\n", TOKENPASTE(BOUNDS_FAR_NAME, _));
printf( STRINGIFY_HELPER(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME) ": %s\n", TOKENPASTE(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME, _) ? "true" : "false");
}
private:
void validateAndLoadJson()
{
if (d_.HasMember(STRINGIFY_HELPER(ORIENTATION_NAME )))
{
// assert(d_[STRINGIFY_HELPER(ORIENTATION_NAME)].IsString());
TOKENPASTE(ORIENTATION_NAME, _) = d_[STRINGIFY_HELPER(ORIENTATION_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(ORIENTATION_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(SPEED_NAME)))
{
// assert(d_[STRINGIFY(SPEED_NAME)].IsNumber());
TOKENPASTE(SPEED_NAME, _) = d_[STRINGIFY_HELPER(SPEED_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(SPEED_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(FIST_TO_LIFT_NAME)))
{
// assert(d_[STRINGIFY(SCROLLING_SPEED_NAME)].IsFloat());
TOKENPASTE(FIST_TO_LIFT_NAME, _) = d_[STRINGIFY_HELPER(FIST_TO_LIFT_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(FIST_TO_LIFT_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(RIGHT_CLICK_ACTIVE_NAME)))
{
// assert(d_[STRINGIFY(RIGHT_CLICK_ACTIVE_NAME)].IsBool());
TOKENPASTE(RIGHT_CLICK_ACTIVE_NAME, _) = d_[STRINGIFY_HELPER(RIGHT_CLICK_ACTIVE_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(RIGHT_CLICK_ACTIVE_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(LOCK_MOUSE_ON_SCROLL_NAME)))
{
// assert(d_[STRINGIFY(LOCK_MOUSE_ON_SCROLL_NAME)].IsBool());
TOKENPASTE(LOCK_MOUSE_ON_SCROLL_NAME, _) = d_[STRINGIFY_HELPER(LOCK_MOUSE_ON_SCROLL_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(LOCK_MOUSE_ON_SCROLL_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(SCROLLING_ON_NAME)))
{
// assert(d_[STRINGIFY(SCROLLING_ON_NAME)].IsBool());
TOKENPASTE(SCROLLING_ON_NAME, _) = d_[STRINGIFY_HELPER(SCROLLING_ON_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(SCROLLING_ON_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(SCROLLING_SPEED_NAME)))
{
// assert(d_[STRINGIFY(SCROLLING_SPEED_NAME)].IsFloat());
TOKENPASTE(SCROLLING_SPEED_NAME, _) = d_[STRINGIFY_HELPER(SCROLLING_SPEED_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(SCROLLING_SPEED_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(SCROLL_THRESHOLD_NAME)))
{
// assert(d_[STRINGIFY(SCROLL_THRESHOLD_NAME)].IsFloat());
TOKENPASTE(SCROLL_THRESHOLD_NAME, _) = d_[STRINGIFY_HELPER(SCROLL_THRESHOLD_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(SCROLL_THRESHOLD_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(INDEX_PINCH_THRESHOLD_NAME)))
{
// assert(d_[STRINGIFY(INDEX_PINCH_THRESHOLD_NAME)].IsFloat());
TOKENPASTE(INDEX_PINCH_THRESHOLD_NAME, _) = d_[STRINGIFY_HELPER(INDEX_PINCH_THRESHOLD_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(INDEX_PINCH_THRESHOLD_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(USE_ABSOLUTE_MOUSE_POSITION)))
{
// assert(d_[STRINGIFY(USE_ABSOLUTE_MOUSE_POSITION)].IsBool());
TOKENPASTE(USE_ABSOLUTE_MOUSE_POSITION, _) = d_[STRINGIFY_HELPER(USE_ABSOLUTE_MOUSE_POSITION)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(USE_ABSOLUTE_MOUSE_POSITION) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_LEFT_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_WIDTH_LEFT_NAME)].IsFloat());
TOKENPASTE(BOUNDS_LEFT_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_LEFT_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_LEFT_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_RIGHT_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_WIDTH_RIGHT_NAME)].IsFloat());
TOKENPASTE(BOUNDS_RIGHT_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_RIGHT_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_RIGHT_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_LOWER_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_HEIGHT_LOWER_NAME)].IsFloat());
TOKENPASTE(BOUNDS_LOWER_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_LOWER_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_LOWER_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_UPPER_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_HEIGHT_UPPER_NAME)].IsFloat());
TOKENPASTE(BOUNDS_UPPER_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_UPPER_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_UPPER_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_NEAR_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_NEAR_NAME)].IsFloat());
TOKENPASTE(BOUNDS_NEAR_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_NEAR_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_NEAR_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(BOUNDS_FAR_NAME)))
{
// assert(d_[STRINGIFY(BOUNDS_FAR_NAME)].IsFloat());
TOKENPASTE(BOUNDS_FAR_NAME, _) = d_[STRINGIFY_HELPER(BOUNDS_FAR_NAME)].GetFloat();
}
else
{
printf(STRINGIFY_HELPER(BOUNDS_FAR_NAME) " not found!\n");
}
if (d_.HasMember(STRINGIFY_HELPER(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME)))
{
// assert(d_[STRINGIFY(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME)].IsBool());
TOKENPASTE(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME, _) = d_[STRINGIFY_HELPER(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME)].GetBool();
}
else
{
printf(STRINGIFY_HELPER(LIMIT_TRACKING_TO_WITHIN_BOUNDS_NAME) " not found!\n");
}
}
};