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#ifndef slic3r_GCodeReader_hpp_
#define slic3r_GCodeReader_hpp_
#include "libslic3r.h"
#include <cmath>
#include <cstdlib>
#include <functional>
#include <string>
#include "PrintConfig.hpp"
namespace Slic3r {
class GCodeReader {
public:
class GCodeLine {
public:
GCodeLine() { reset(); }
void reset() { m_mask = 0; memset(m_axis, 0, sizeof(m_axis)); m_raw.clear(); }
const std::string& raw() const { return m_raw; }
const std::string cmd() const {
const char *cmd = GCodeReader::skip_whitespaces(m_raw.c_str());
return std::string(cmd, GCodeReader::skip_word(cmd));
}
const std::string comment() const
{ size_t pos = m_raw.find(';'); return (pos == std::string::npos) ? "" : m_raw.substr(pos + 1); }
bool has(Axis axis) const { return (m_mask & (1 << int(axis))) != 0; }
float value(Axis axis) const { return m_axis[axis]; }
bool has_value(char axis, float &value) const;
float new_Z(const GCodeReader &reader) const { return this->has(Z) ? this->z() : reader.z(); }
float new_E(const GCodeReader &reader) const { return this->has(E) ? this->e() : reader.e(); }
float new_F(const GCodeReader &reader) const { return this->has(F) ? this->f() : reader.f(); }
float dist_X(const GCodeReader &reader) const { return this->has(X) ? (this->x() - reader.x()) : 0; }
float dist_Y(const GCodeReader &reader) const { return this->has(Y) ? (this->y() - reader.y()) : 0; }
float dist_Z(const GCodeReader &reader) const { return this->has(Z) ? (this->z() - reader.z()) : 0; }
float dist_E(const GCodeReader &reader) const { return this->has(E) ? (this->e() - reader.e()) : 0; }
float dist_XY(const GCodeReader &reader) const {
float x = this->has(X) ? (this->x() - reader.x()) : 0;
float y = this->has(Y) ? (this->y() - reader.y()) : 0;
return sqrt(x*x + y*y);
}
bool cmd_is(const char *cmd_test) const {
const char *cmd = GCodeReader::skip_whitespaces(m_raw.c_str());
int len = strlen(cmd_test);
return strncmp(cmd, cmd_test, len) == 0 && GCodeReader::is_end_of_word(cmd[len]);
}
bool extruding(const GCodeReader &reader) const { return this->cmd_is("G1") && this->dist_E(reader) > 0; }
bool retracting(const GCodeReader &reader) const { return this->cmd_is("G1") && this->dist_E(reader) < 0; }
bool travel() const { return this->cmd_is("G1") && ! this->has(E); }
void set(const GCodeReader &reader, const Axis axis, const float new_value, const int decimal_digits = 3);
bool has_x() const { return this->has(X); }
bool has_y() const { return this->has(Y); }
bool has_z() const { return this->has(Z); }
bool has_e() const { return this->has(E); }
bool has_f() const { return this->has(F); }
float x() const { return m_axis[X]; }
float y() const { return m_axis[Y]; }
float z() const { return m_axis[Z]; }
float e() const { return m_axis[E]; }
float f() const { return m_axis[F]; }
private:
std::string m_raw;
float m_axis[NUM_AXES];
uint32_t m_mask;
friend class GCodeReader;
};
typedef std::function<void(GCodeReader&, const GCodeLine&)> callback_t;
GCodeReader() : m_verbose(false), m_extrusion_axis('E') { memset(m_position, 0, sizeof(m_position)); }
void apply_config(const GCodeConfig &config);
void apply_config(const DynamicPrintConfig &config);
template<typename Callback>
void parse_buffer(const std::string &buffer, Callback callback)
{
const char *ptr = buffer.c_str();
GCodeLine gline;
while (*ptr != 0) {
gline.reset();
ptr = this->parse_line(ptr, gline, callback);
}
}
void parse_buffer(const std::string &buffer)
{ this->parse_buffer(buffer, [](GCodeReader&, const GCodeReader::GCodeLine&){}); }
template<typename Callback>
const char* parse_line(const char *ptr, GCodeLine &gline, Callback &callback)
{
std::pair<const char*, const char*> cmd;
const char *end = parse_line_internal(ptr, gline, cmd);
callback(*this, gline);
update_coordinates(gline, cmd);
return end;
}
template<typename Callback>
void parse_line(const std::string &line, Callback callback)
{ GCodeLine gline; this->parse_line(line.c_str(), gline, callback); }
void parse_file(const std::string &file, callback_t callback);
float& x() { return m_position[X]; }
float x() const { return m_position[X]; }
float& y() { return m_position[Y]; }
float y() const { return m_position[Y]; }
float& z() { return m_position[Z]; }
float z() const { return m_position[Z]; }
float& e() { return m_position[E]; }
float e() const { return m_position[E]; }
float& f() { return m_position[F]; }
float f() const { return m_position[F]; }
char extrusion_axis() const { return m_extrusion_axis; }
private:
const char* parse_line_internal(const char *ptr, GCodeLine &gline, std::pair<const char*, const char*> &command);
void update_coordinates(GCodeLine &gline, std::pair<const char*, const char*> &command);
static bool is_whitespace(char c) { return c == ' ' || c == '\t'; }
static bool is_end_of_line(char c) { return c == '\r' || c == '\n' || c == 0; }
static bool is_end_of_gcode_line(char c) { return c == ';' || is_end_of_line(c); }
static bool is_end_of_word(char c) { return is_whitespace(c) || is_end_of_gcode_line(c); }
static const char* skip_whitespaces(const char *c) { for (; is_whitespace(*c); ++ c); return c; }
static const char* skip_word(const char *c) { for (; ! is_end_of_word(*c); ++ c); return c; }
GCodeConfig m_config;
char m_extrusion_axis;
float m_position[NUM_AXES];
bool m_verbose;
};
} /* namespace Slic3r */
#endif /* slic3r_GCodeReader_hpp_ */
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