Initial commit

main.go

@@ -0,0 +1,77 @@
+package cp437tree
+
+import (
+	"fmt"
+	"io"
+)
+
+const (
+	VerticalRight = "├"
+	DownLeft = "┐"
+	UpRight = "└"
+	DownRight = "┌"
+	Horizontal ="─"
+	Vertical = "│"
+)
+
+/*
+┌┐ // HeaderTop
+├┐ // HeaderMid
+│├ // ItemMid
+│└ // ItemBottom
+└┐ // HeaderBottom
+ └── //ItemEndBottom
+*/
+
+type Node struct {
+	Text string
+	Children *[]Node
+}
+
+
+func (o *Request) ToTreeGroup(w io.Writer, position rune) {
+	middle := "├──┐" // default middle branch
+	midRow := "│  ├── "
+	botRow := "│  └── "
+	topBranch := "┌──┐"
+	endBranch := "└──┐"
+	veryBottomRow := "   └── "
+
+	rowChars := ""
+	if position == 't' {
+		branch = topBranch
+	}
+	if position == 'b' {
+		branch = endBranch
+	}
+
+	// platform name header
+	rowChars = midRow
+	// preparing the children variable so this whole thing can be extracted later.
+	children := o.Versions
+	childCount := len(children) - 1
+	for idx, v := range children {
+		if idx == childCount {
+			rowChars = botRow
+			if position == 'b' {
+				rowChars = veryBottomRow
+			}
+		}
+		_, _ = fmt.Fprintf(w, "\n%s%s", rowChars, v)
+	}
+
+	// new line to end the row
+	_, _ = fmt.Fprintf(w, "\n")
+}
+
+func idToPosition(id, count int) rune {
+	// Returns 't' for top, 'b' for bottom, and 'm', for middle by comparing the idx to the count of rows.
+	// Does not account for if count = 1
+	if id == 0 {
+		return 't'
+	}
+	if id == count-1 {
+		return 'b'
+	}
+	return 'm'
+}