Update to go-org 1.3.2 (#12728)

* Update to go-org 1.3.2

Fix #12727

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Fix unit test

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

vendor/github.com/niklasfasching/go-org/org/block.go

@@ -10,6 +10,11 @@ type Block struct {
 	Name       string
 	Parameters []string
 	Children   []Node
+	Result     Node
+}
+
+type Result struct {
+	Node Node
 }
 
 type Example struct {
@@ -19,6 +24,8 @@ type Example struct {
 var exampleLineRegexp = regexp.MustCompile(`^(\s*):(\s(.*)|\s*$)`)
 var beginBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+BEGIN_(\w+)(.*)`)
 var endBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+END_(\w+)`)
+var resultRegexp = regexp.MustCompile(`(?i)^(\s*)#\+RESULTS:`)
+var exampleBlockEscapeRegexp = regexp.MustCompile(`(^|\n)([ \t]*),([ \t]*)(\*|,\*|#\+|,#\+)`)
 
 func lexBlock(line string) (token, bool) {
 	if m := beginBlockRegexp.FindStringSubmatch(line); m != nil {
@@ -29,6 +36,13 @@ func lexBlock(line string) (token, bool) {
 	return nilToken, false
 }
 
+func lexResult(line string) (token, bool) {
+	if m := resultRegexp.FindStringSubmatch(line); m != nil {
+		return token{"result", len(m[1]), "", m}, true
+	}
+	return nilToken, false
+}
+
 func lexExample(line string) (token, bool) {
 	if m := exampleLineRegexp.FindStringSubmatch(line); m != nil {
 		return token{"example", len(m[1]), m[3], m}, true
@@ -45,22 +59,41 @@ func (d *Document) parseBlock(i int, parentStop stopFn) (int, Node) {
 	stop := func(d *Document, i int) bool {
 		return i >= len(d.tokens) || (d.tokens[i].kind == "endBlock" && d.tokens[i].content == name)
 	}
-	block, i := Block{name, parameters, nil}, i+1
+	block, i := Block{name, parameters, nil, nil}, i+1
 	if isRawTextBlock(name) {
 		rawText := ""
 		for ; !stop(d, i); i++ {
 			rawText += trim(d.tokens[i].matches[0]) + "\n"
 		}
+		if name == "EXAMPLE" || (name == "SRC" && len(parameters) >= 1 && parameters[0] == "org") {
+			rawText = exampleBlockEscapeRegexp.ReplaceAllString(rawText, "$1$2$3$4")
+		}
 		block.Children = d.parseRawInline(rawText)
 	} else {
 		consumed, nodes := d.parseMany(i, stop)
 		block.Children = nodes
 		i += consumed
 	}
-	if i < len(d.tokens) && d.tokens[i].kind == "endBlock" && d.tokens[i].content == name {
-		return i + 1 - start, block
+	if i >= len(d.tokens) || d.tokens[i].kind != "endBlock" || d.tokens[i].content != name {
+		return 0, nil
 	}
-	return 0, nil
+	if name == "SRC" {
+		consumed, result := d.parseSrcBlockResult(i+1, parentStop)
+		block.Result = result
+		i += consumed
+	}
+	return i + 1 - start, block
+}
+
+func (d *Document) parseSrcBlockResult(i int, parentStop stopFn) (int, Node) {
+	start := i
+	for ; !parentStop(d, i) && d.tokens[i].kind == "text" && d.tokens[i].content == ""; i++ {
+	}
+	if parentStop(d, i) || d.tokens[i].kind != "result" {
+		return 0, nil
+	}
+	consumed, result := d.parseResult(i, parentStop)
+	return (i - start) + consumed, result
 }
 
 func (d *Document) parseExample(i int, parentStop stopFn) (int, Node) {
@@ -71,6 +104,14 @@ func (d *Document) parseExample(i int, parentStop stopFn) (int, Node) {
 	return i - start, example
 }
 
+func (d *Document) parseResult(i int, parentStop stopFn) (int, Node) {
+	if i+1 >= len(d.tokens) {
+		return 0, nil
+	}
+	consumed, node := d.parseOne(i+1, parentStop)
+	return consumed + 1, Result{node}
+}
+
 func trimIndentUpTo(max int) func(string) string {
 	return func(line string) string {
 		i := 0
@@ -80,5 +121,17 @@ func trimIndentUpTo(max int) func(string) string {
 	}
 }
 
+func (b Block) ParameterMap() map[string]string {
+	if len(b.Parameters) == 0 {
+		return nil
+	}
+	m := map[string]string{":lang": b.Parameters[0]}
+	for i := 1; i+1 < len(b.Parameters); i += 2 {
+		m[b.Parameters[i]] = b.Parameters[i+1]
+	}
+	return m
+}
+
 func (n Example) String() string { return orgWriter.WriteNodesAsString(n) }
 func (n Block) String() string   { return orgWriter.WriteNodesAsString(n) }
+func (n Result) String() string  { return orgWriter.WriteNodesAsString(n) }