tools.go

package gcode

// StripComments will remove all inline and line comments from file.
func StripComments(f *File) {
	cl := 0
	for i := range f.Lines {
		j := i - cl
		l := f.Lines[j]

		cd := 0
		for ii := range l.Codes {
			jj := ii - cd
			c := l.Codes[jj]

			// remove codes with comments
			if c.Comment != "" {
				l.Codes = append(l.Codes[:jj], l.Codes[jj+1:]...)
				cd++
				continue
			}
		}

		// remove lines with comments or no codes
		if l.Comment != "" || len(l.Codes) == 0 {
			f.Lines = append(f.Lines[:j], f.Lines[j+1:]...)
			cl++
			continue
		}

		// update line
		f.Lines[j] = l
	}
}

// OffsetXYZ will offset all X, Y and Z G-Code values by the specified values.
func OffsetXYZ(f *File, x, y, z float64) {
	for _, l := range f.Lines {
		for i, c := range l.Codes {
			if c.Letter == "X" {
				c.Value += x
			} else if c.Letter == "Y" {
				c.Value += y
			} else if c.Letter == "Z" {
				c.Value += z
			}

			// update code
			l.Codes[i] = c
		}
	}
}