Make frontmatter splitting work with CRLF files

frontmatter.go

@@ -12,10 +12,15 @@ type FrontMatter = map[string] string
 // representing it along with the rest of the input as a string. If there is no
 // front matter, an empty map will be returned.
 func SplitFrontMatter (input string) (FrontMatter, string, error) {
+	// i hate crlf!!!!! uwehhh!!!
+	input = strings.ReplaceAll(input, "\r\n", "\n")
+	
+	// stop if there is no front matter
 	if !strings.HasPrefix(input, frontMatterRule + "\n") {
-		// no front matter at all
 		return FrontMatter { }, input, nil
 	}
+
+	// get the start and the end of the front matter
 	input = strings.TrimPrefix(input, frontMatterRule)
 	index := strings.Index(input, "\n" + frontMatterRule + "\n")
 	if index < 0 {
@@ -24,6 +29,8 @@ func SplitFrontMatter (input string) (FrontMatter, string, error) {
 	frontMatterRaw := input[:index]
 	body           := input[index + len(frontMatterRule) + 2:]
 	frontMatter    := make(FrontMatter)
+
+	// iterate over the lines
 	for _, line := range strings.Split(frontMatterRaw, "\n") {
 		line = strings.TrimSpace(line)
 		if line == "" { continue }

frontmatter_test.go

@@ -1,10 +1,11 @@
 package step
 
+import "strings"
 import "testing"
 
 const quickBrownFox = "The quick brown fox jumped over the lazy dog."
 
-func TestSplitFrontMatter (test *testing.T) {
+func TestSplitFrontMatterLF (test *testing.T) {
 	correctBody :=
 `this is some sample text
 ---
@@ -50,3 +51,37 @@ Sentence: ` + quickBrownFox + `
 	if value3 != "that"        { test.Fatal("value is not correct") }
 	if value4 != quickBrownFox { test.Fatal("value is not correct") }
 }
+
+func TestSplitFrontMatterCRLF (test *testing.T) {
+	correctBody := "this is some sample text\r\n---\r\ntheres another hr that shouldnt\r\nbreak anything\r\nbreak: anything\r\n"
+	frontMatter, body, err := SplitFrontMatter(
+"---\r\nFOO: baR\r\n   fOoo: Bar\r\nShouldn't break anything: ---\r\n\r\nthis :  that\r\nSentence: " + quickBrownFox + "\r\n---\r\n" + correctBody)
+	if err != nil {
+		test.Fatal(err)
+	}
+
+	test.Log("BODY:")
+	test.Log(body)
+	correctBody = strings.ReplaceAll(correctBody, "\r\n", "\n")
+	if body != correctBody {
+		test.Fatal("body is not correct")
+	}
+	
+	test.Log("FRONT MATTER:")
+	test.Log(frontMatter)
+	value0, ok := frontMatter["foo"]
+	if !ok { test.Fatal("missing key") }
+	value1, ok := frontMatter["fooo"]
+	if !ok { test.Fatal("missing key") }
+	value2, ok := frontMatter["shouldn't break anything"]
+	if !ok { test.Fatal("missing key") }
+	value3, ok := frontMatter["this"]
+	if !ok { test.Fatal("missing key") }
+	value4, ok := frontMatter["sentence"]
+	if !ok { test.Fatal("missing key") }
+	if value0 != "baR"         { test.Fatal("value is not correct") }
+	if value1 != "Bar"         { test.Fatal("value is not correct") }
+	if value2 != "---"         { test.Fatal("value is not correct") }
+	if value3 != "that"        { test.Fatal("value is not correct") }
+	if value4 != quickBrownFox { test.Fatal("value is not correct") }
+}