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https://github.com/SoftFever/OrcaSlicer.git
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186 lines
8.7 KiB
C++
186 lines
8.7 KiB
C++
#ifndef slic3r_GCodeReader_hpp_
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#define slic3r_GCodeReader_hpp_
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#include "libslic3r.h"
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#include <cmath>
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#include <cstdlib>
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#include <functional>
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#include <string>
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#include <string_view>
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#include "PrintConfig.hpp"
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namespace Slic3r {
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class GCodeReader {
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public:
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class GCodeLine {
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public:
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GCodeLine() { reset(); }
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void reset() { m_mask = 0; memset(m_axis, 0, sizeof(m_axis)); m_raw.clear(); }
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const std::string& raw() const { return m_raw; }
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const std::string_view cmd() const {
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const char *cmd = GCodeReader::skip_whitespaces(m_raw.c_str());
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return std::string_view(cmd, GCodeReader::skip_word(cmd) - cmd);
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}
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const std::string_view comment() const
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{ size_t pos = m_raw.find(';'); return (pos == std::string::npos) ? std::string_view() : std::string_view(m_raw).substr(pos + 1); }
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bool has(Axis axis) const { return (m_mask & (1 << int(axis))) != 0; }
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float value(Axis axis) const { return m_axis[axis]; }
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bool has(char axis) const;
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bool has_value(char axis, float &value) const;
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float new_X(const GCodeReader &reader) const { return this->has(X) ? this->x() : reader.x(); }
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float new_Y(const GCodeReader &reader) const { return this->has(Y) ? this->y() : reader.y(); }
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float new_Z(const GCodeReader &reader) const { return this->has(Z) ? this->z() : reader.z(); }
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float new_E(const GCodeReader &reader) const { return this->has(E) ? this->e() : reader.e(); }
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float new_F(const GCodeReader &reader) const { return this->has(F) ? this->f() : reader.f(); }
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float dist_X(const GCodeReader &reader) const { return this->has(X) ? (this->x() - reader.x()) : 0; }
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float dist_Y(const GCodeReader &reader) const { return this->has(Y) ? (this->y() - reader.y()) : 0; }
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float dist_Z(const GCodeReader &reader) const { return this->has(Z) ? (this->z() - reader.z()) : 0; }
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float dist_E(const GCodeReader &reader) const { return this->has(E) ? (this->e() - reader.e()) : 0; }
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float dist_XY(const GCodeReader &reader) const {
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float x = this->has(X) ? (this->x() - reader.x()) : 0;
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float y = this->has(Y) ? (this->y() - reader.y()) : 0;
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return sqrt(x*x + y*y);
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}
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bool cmd_is(const char *cmd_test) const { return cmd_is(m_raw, cmd_test); }
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//BBS: modify to support G2 and G3
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bool extruding(const GCodeReader &reader) const { return (this->cmd_is("G1") || this->cmd_is("G2") || this->cmd_is("G3")) && this->dist_E(reader) > 0; }
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bool retracting(const GCodeReader &reader) const { return (this->cmd_is("G1") || this->cmd_is("G2") || this->cmd_is("G3")) && this->dist_E(reader) < 0; }
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bool travel() const { return (this->cmd_is("G1") || this->cmd_is("G2") || this->cmd_is("G3")) && ! this->has(E); }
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void set(const GCodeReader &reader, const Axis axis, const float new_value, const int decimal_digits = 3);
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bool has_x() const { return this->has(X); }
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bool has_y() const { return this->has(Y); }
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bool has_z() const { return this->has(Z); }
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bool has_e() const { return this->has(E); }
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bool has_f() const { return this->has(F); }
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// BBS: add I J P axis
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bool has_i() const { return this->has(I); }
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bool has_j() const { return this->has(J); }
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bool has_p() const { return this->has(P); }
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bool has_unknown_axis() const { return this->has(UNKNOWN_AXIS); }
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float x() const { return m_axis[X]; }
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float y() const { return m_axis[Y]; }
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float z() const { return m_axis[Z]; }
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float e() const { return m_axis[E]; }
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float f() const { return m_axis[F]; }
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// BBS: add I J P axis
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float i() const { return m_axis[I]; }
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float j() const { return m_axis[J]; }
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float p() const { return m_axis[P]; }
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static bool cmd_is(const std::string &gcode_line, const char *cmd_test) {
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const char *cmd = GCodeReader::skip_whitespaces(gcode_line.c_str());
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size_t len = strlen(cmd_test);
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return strncmp(cmd, cmd_test, len) == 0 && GCodeReader::is_end_of_word(cmd[len]);
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}
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private:
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std::string m_raw;
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float m_axis[NUM_AXES];
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uint32_t m_mask;
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friend class GCodeReader;
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};
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typedef std::function<void(GCodeReader&, const GCodeLine&)> callback_t;
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typedef std::function<void(GCodeReader&, const char*, const char*)> raw_line_callback_t;
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GCodeReader() : m_verbose(false) { this->reset(); }
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void reset() { memset(m_position, 0, sizeof(m_position)); }
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void apply_config(const GCodeConfig &config);
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void apply_config(const DynamicPrintConfig &config);
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template<typename Callback>
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void parse_buffer(const std::string &buffer, Callback callback)
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{
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const char *ptr = buffer.c_str();
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const char *end = ptr + buffer.size();
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GCodeLine gline;
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m_parsing = true;
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while (m_parsing && *ptr != 0) {
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gline.reset();
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ptr = this->parse_line(ptr, end, gline, callback);
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}
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}
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void parse_buffer(const std::string &buffer)
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{ this->parse_buffer(buffer, [](GCodeReader&, const GCodeReader::GCodeLine&){}); }
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template<typename Callback>
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const char* parse_line(const char *ptr, const char *end, GCodeLine &gline, Callback &callback)
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{
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std::pair<const char*, const char*> cmd;
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const char *line_end = parse_line_internal(ptr, end, gline, cmd);
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callback(*this, gline);
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update_coordinates(gline, cmd);
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return line_end;
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}
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template<typename Callback>
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void parse_line(const std::string &line, Callback callback)
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{ GCodeLine gline; this->parse_line(line.c_str(), line.c_str() + line.size(), gline, callback); }
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// Returns false if reading the file failed.
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bool parse_file(const std::string &file, callback_t callback);
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// Collect positions of line ends in the binary G-code to be used by the G-code viewer when memory mapping and displaying section of G-code
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// as an overlay in the 3D scene.
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bool parse_file(const std::string &file, callback_t callback, std::vector<size_t> &lines_ends);
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// Just read the G-code file line by line, calls callback (const char *begin, const char *end). Returns false if reading the file failed.
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bool parse_file_raw(const std::string &file, raw_line_callback_t callback);
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// To be called by the callback to stop parsing.
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void quit_parsing() { m_parsing = false; }
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float& x() { return m_position[X]; }
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float x() const { return m_position[X]; }
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float& y() { return m_position[Y]; }
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float y() const { return m_position[Y]; }
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float& z() { return m_position[Z]; }
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float z() const { return m_position[Z]; }
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float& e() { return m_position[E]; }
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float e() const { return m_position[E]; }
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float& f() { return m_position[F]; }
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float f() const { return m_position[F]; }
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// BBS: add I J axis
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float& i() { return m_position[I]; }
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float i() const { return m_position[I]; }
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float& j() { return m_position[J]; }
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float j() const { return m_position[J]; }
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private:
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template<typename ParseLineCallback, typename LineEndCallback>
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bool parse_file_raw_internal(const std::string &filename, ParseLineCallback parse_line_callback, LineEndCallback line_end_callback);
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template<typename ParseLineCallback, typename LineEndCallback>
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bool parse_file_internal(const std::string &filename, ParseLineCallback parse_line_callback, LineEndCallback line_end_callback);
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const char* parse_line_internal(const char *ptr, const char *end, GCodeLine &gline, std::pair<const char*, const char*> &command);
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void update_coordinates(GCodeLine &gline, std::pair<const char*, const char*> &command);
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static bool is_whitespace(char c) { return c == ' ' || c == '\t'; }
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static bool is_end_of_line(char c) { return c == '\r' || c == '\n' || c == 0; }
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static bool is_end_of_gcode_line(char c) { return c == ';' || is_end_of_line(c); }
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static bool is_end_of_word(char c) { return is_whitespace(c) || is_end_of_gcode_line(c); }
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static const char* skip_whitespaces(const char *c) {
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for (; is_whitespace(*c); ++ c)
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; // silence -Wempty-body
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return c;
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}
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static const char* skip_word(const char *c) {
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for (; ! is_end_of_word(*c); ++ c)
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; // silence -Wempty-body
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return c;
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}
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GCodeConfig m_config;
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float m_position[NUM_AXES];
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bool m_verbose;
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// To be set by the callback to stop parsing.
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bool m_parsing{ false };
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};
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} /* namespace Slic3r */
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#endif /* slic3r_GCodeReader_hpp_ */
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