1 files changed, 49 insertions, 0 deletions
diff --git a/gemini/gemtext/parse.go b/gemini/gemtext/parse.go
new file mode 100644
index 0000000..7041fde
--- /dev/null
+++ b/gemini/gemtext/parse.go
@@ -0,0 +1,49 @@
+package gemtext
+
+import (
+	"bufio"
+	"io"
+)
+
+// Parse parses the full contents of an io.Reader into a gemtext.Document.
+func Parse(input io.Reader) (Document, error) {
+	rdr := bufio.NewReader(input)
+
+	var lines []Line
+	inPFT := false
+
+	for {
+		raw, err := rdr.ReadBytes('\n')
+		if err != io.EOF && err != nil {
+			return nil, err
+		}
+
+		var line Line
+
+		if inPFT && (len(raw) < 3 || raw[0] != '`' || raw[1] != '`' || raw[2] != '`') {
+			line = PreformattedTextLine{raw: raw}
+		} else {
+			line = ParseLine(raw)
+		}
+
+		if line != nil && line.Type() == LineTypePreformatToggle {
+			if inPFT {
+				toggle := line.(PreformatToggleLine)
+				(&toggle).clearAlt()
+				line = toggle
+			}
+
+			inPFT = !inPFT
+		}
+
+		if line != nil {
+			lines = append(lines, line)
+		}
+
+		if err == io.EOF {
+			break
+		}
+	}
+
+	return Document(lines), nil
+}