GCodeProcessor basic framework

src/libslic3r/GCode/GCodeProcessor.hpp

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+#ifndef slic3r_GCodeProcessor_hpp_
+#define slic3r_GCodeProcessor_hpp_
+
+#if ENABLE_GCODE_VIEWER
+#include "../GCodeReader.hpp"
+
+namespace Slic3r {
+
+    class GCodeProcessor
+    {
+        using AxisCoords = std::array<float, 4>;
+
+        enum class EUnits : unsigned char
+        {
+            Millimeters,
+            Inches
+        };
+
+        enum class EPositioningType : unsigned char
+        {
+            Absolute,
+            Relative
+        };
+
+        enum class EMoveType : unsigned char
+        {
+            Noop,
+            Retract,
+            Unretract,
+            Tool_change,
+            Travel,
+            Extrude,
+            Num_Types
+        };
+
+        struct MoveStep
+        {
+            AxisCoords position; // mm
+            float feedrate; // mm/s
+            EMoveType type;
+        };
+
+        using MoveStepsList = std::vector<MoveStep>;
+
+        GCodeReader m_parser;
+
+        EUnits m_units;
+        EPositioningType m_global_positioning_type;
+        EPositioningType m_e_local_positioning_type;
+
+        AxisCoords m_start_position; // mm
+        AxisCoords m_end_position;   // mm
+        AxisCoords m_origin;         // mm
+
+        float m_feedrate; // mm/s
+
+        MoveStepsList m_moves;
+
+
+    public:
+        GCodeProcessor() { reset(); }
+
+        void apply_config(const PrintConfig& config);
+
+        void reset();
+
+        // Process the gcode contained in the file with the given filename
+        // Return false if any error occourred
+        void process_file(const std::string& filename);
+
+    private:
+        void process_gcode_line(const GCodeReader::GCodeLine& line);
+
+        // Process tags embedded into comments
+        void process_comment(const GCodeReader::GCodeLine& line);
+
+        // Move
+        void process_G1(const GCodeReader::GCodeLine& line);
+    };
+
+} /* namespace Slic3r */
+
+#endif // ENABLE_GCODE_VIEWER
+
+#endif /* slic3r_GCodeProcessor_hpp_ */
+
+