comments, minor cleanups

block.go

@@ -562,29 +562,31 @@ func blockFencedCode(out *bytes.Buffer, rndr *render, data []byte) int {
 func blockTable(out *bytes.Buffer, rndr *render, data []byte) int {
 	var header_work bytes.Buffer
 	i, columns, col_data := blockTableHeader(&header_work, rndr, data)
-	if i > 0 {
-		var body_work bytes.Buffer
+	if i == 0 {
+		return 0
+	}
 
-		for i < len(data) {
-			pipes, row_start := 0, i
-			for ; i < len(data) && data[i] != '\n'; i++ {
-				if data[i] == '|' {
-					pipes++
-				}
+	var body_work bytes.Buffer
+
+	for i < len(data) {
+		pipes, row_start := 0, i
+		for ; i < len(data) && data[i] != '\n'; i++ {
+			if data[i] == '|' {
+				pipes++
 			}
-
-			if pipes == 0 || i == len(data) {
-				i = row_start
-				break
-			}
-
-			blockTableRow(&body_work, rndr, data[row_start:i], columns, col_data)
-			i++
 		}
 
-		if rndr.mk.Table != nil {
-			rndr.mk.Table(out, header_work.Bytes(), body_work.Bytes(), col_data, rndr.mk.Opaque)
+		if pipes == 0 || i == len(data) {
+			i = row_start
+			break
 		}
+
+		blockTableRow(&body_work, rndr, data[row_start:i], columns, col_data)
+		i++
+	}
+
+	if rndr.mk.Table != nil {
+		rndr.mk.Table(out, header_work.Bytes(), body_work.Bytes(), col_data, rndr.mk.Opaque)
 	}
 
 	return i

inline.go

@@ -20,6 +20,7 @@ import (
 // offset is the number of valid chars before the current cursor
 
 func parseInline(out *bytes.Buffer, rndr *render, data []byte) {
+	// this is called recursively: enforce a maximum depth
 	if rndr.nesting >= rndr.maxNesting {
 		return
 	}
@@ -45,12 +46,12 @@ func parseInline(out *bytes.Buffer, rndr *render, data []byte) {
 
 		// call the trigger
 		parser := rndr.inline[data[end]]
-		end = parser(out, rndr, data, i)
-
-		if end == 0 { // no action from the callback
+		if consumed := parser(out, rndr, data, i); consumed == 0 {
+			// no action from the callback; buffer the byte for later
 			end = i + 1
 		} else {
-			i += end
+			// skip past whatever the callback used
+			i += consumed
 			end = i
 		}
 	}