prototyped svg reports

server/ui/svg/length.go

@@ -0,0 +1,241 @@
+package svg
+
+import "fmt"
+
+type (
+	Length struct {
+		number  float64
+		absUnit AbsoluteLengthUnit
+		relUnit RelativeLengthUnit
+	}
+
+	LengthAttr[T Tag] Length
+)
+
+func NewLength(n float64) *Length {
+	return &Length{
+		number: n,
+	}
+}
+
+func (l *Length) Number(n float64) *Length {
+	l.number = n
+	return l
+}
+
+func (l *Length) Unit(u AbsoluteLengthUnit) *Length {
+	l.absUnit = u
+	l.relUnit = 0
+	return l
+}
+
+func (l *Length) RUnit(u RelativeLengthUnit) *Length {
+	l.relUnit = u
+	l.absUnit = 0
+	return l
+}
+
+func (l Length) String() string {
+	if l.absUnit != 0 {
+		return fmt.Sprintf("%v%s", l.number, l.absUnit)
+	}
+	if l.relUnit != 0 {
+		return fmt.Sprintf("%v%s", l.number, l.relUnit)
+	}
+	return fmt.Sprintf("%v", l.number)
+}
+
+func (LengthAttr[T]) PrintKey() string {
+	var tag T
+	return tag.PrintTag()
+}
+
+func (a LengthAttr[T]) PrintValue() (string, bool) {
+	return fmt.Sprintf(`"%s"`, Length(a)), true
+}
+
+// Relative length units
+type RelativeLengthUnit int
+
+const (
+	_ RelativeLengthUnit = iota
+
+	// based on font
+	Cap
+	Ch
+	Em
+	Ex
+	Ic
+	Lh
+
+	// based on root element's font
+	Rcap
+	Rch
+	Rem
+	Rex
+	Ric
+	Rlh
+
+	// based on viewport
+	Vh
+	Vw
+	Vmax
+	Vmin
+	Vb
+	Vi
+	// small viewport
+	Svh
+	Svw
+	Svmax
+	Svmin
+	Svb
+	Svi
+	// large viewport
+	Lvh
+	Lvw
+	Lvmax
+	Lvmin
+	Lvb
+	Lvi
+	// dynamic viewport
+	Dvh
+	Dvw
+	Dvmax
+	Dvmin
+	Dvb
+	Dvi
+
+	// container query
+	Cqw
+	Cqh
+	Cqi
+	Cqb
+	Cqmin
+	Cqmax
+)
+
+func (u RelativeLengthUnit) String() string {
+	switch u {
+	case Cap:
+		return "cap"
+	case Ch:
+		return "ch"
+	case Em:
+		return "em"
+	case Ex:
+		return "ex"
+	case Ic:
+		return "ic"
+	case Lh:
+		return "lh"
+	case Rcap:
+		return "rcap"
+	case Rch:
+		return "rch"
+	case Rem:
+		return "rem"
+	case Rex:
+		return "rex"
+	case Ric:
+		return "ric"
+	case Rlh:
+		return "rlh"
+	case Vh:
+		return "vh"
+	case Vw:
+		return "vw"
+	case Vmax:
+		return "vmax"
+	case Vmin:
+		return "vmin"
+	case Vb:
+		return "vb"
+	case Vi:
+		return "vi"
+	case Svh:
+		return "svh"
+	case Svw:
+		return "svw"
+	case Svmax:
+		return "svmax"
+	case Svmin:
+		return "svmin"
+	case Svb:
+		return "svb"
+	case Svi:
+		return "svi"
+	case Lvh:
+		return "lvh"
+	case Lvw:
+		return "lvw"
+	case Lvmax:
+		return "lvmax"
+	case Lvmin:
+		return "lvmin"
+	case Lvb:
+		return "lvb"
+	case Lvi:
+		return "lvi"
+	case Dvh:
+		return "dvh"
+	case Dvw:
+		return "dvw"
+	case Dvmax:
+		return "dvmax"
+	case Dvmin:
+		return "dvmin"
+	case Dvb:
+		return "dvb"
+	case Dvi:
+		return "dvi"
+	case Cqw:
+		return "cqw"
+	case Cqh:
+		return "cqh"
+	case Cqi:
+		return "cqi"
+	case Cqb:
+		return "cqb"
+	case Cqmin:
+		return "cqmin"
+	case Cqmax:
+		return "cqmax"
+	default:
+		return ""
+	}
+}
+
+// Absolute length units
+type AbsoluteLengthUnit int
+
+const (
+	_ AbsoluteLengthUnit = iota
+	Px
+	Cm
+	Mm
+	Q
+	In
+	Pc
+	Pt
+)
+
+func (u AbsoluteLengthUnit) String() string {
+	switch u {
+	case Px:
+		return "px"
+	case Cm:
+		return "cm"
+	case Mm:
+		return "mm"
+	case Q:
+		return "q"
+	case In:
+		return "in"
+	case Pc:
+		return "pc"
+	case Pt:
+		return "pt"
+	default:
+		return ""
+	}
+}