all: group all image related method and functions into single file

This is to make it easy to see how it parsed and how it written to HTML,
make the code more searchable.

While at it, add test for block image.

1 files changed, 0 insertions, 94 deletions

diff --git a/element.go b/element.go
index 498524c..9f77633 100644
--- a/element.go
+++ b/element.go
@@ -301,100 +301,6 @@ func (el *element) parseBlockAudio(doc *Document, line []byte) bool {
 	return true
 }
 
-// parseBlockImage parse the image block or line.
-// The line parameter must not have "image::" block or "image:" macro prefix.
-func (el *element) parseBlockImage(doc *Document, line []byte) bool {
-	var (
-		attrBegin = bytes.IndexByte(line, '[')
-
-		attr string
-		key  string
-		val  string
-		kv   []string
-
-		attrs [][]byte
-		src   []byte
-		battr []byte
-		alt   []byte
-
-		attrEnd int
-		dot     int
-		x       int
-	)
-
-	if attrBegin < 0 {
-		return false
-	}
-	attrEnd = bytes.IndexByte(line, ']')
-	if attrEnd < 0 {
-		return false
-	}
-
-	src = bytes.TrimRight(line[:attrBegin], " \t")
-
-	if el.Attrs == nil {
-		el.Attrs = make(map[string]string)
-	}
-	src = applySubstitutions(doc, src)
-	el.Attrs[attrNameSrc] = string(src)
-
-	attrs = bytes.Split(line[attrBegin+1:attrEnd], []byte(`,`))
-	if el.Attrs == nil {
-		el.Attrs = make(map[string]string)
-	}
-	var hasWidth bool
-	for x, battr = range attrs {
-		attr = string(battr)
-		if x == 0 {
-			alt = bytes.TrimSpace(attrs[0])
-			if len(alt) == 0 {
-				dot = bytes.IndexByte(src, '.')
-				if dot > 0 {
-					alt = src[:dot]
-				}
-			}
-			el.Attrs[attrNameAlt] = string(alt)
-			continue
-		}
-		if x == 1 {
-			if ascii.IsDigits(attrs[1]) {
-				el.Attrs[attrNameWidth] = string(attrs[1])
-				hasWidth = true
-				continue
-			}
-		}
-		if hasWidth && x == 2 {
-			if ascii.IsDigits(attrs[2]) {
-				el.Attrs[attrNameHeight] = string(attrs[2])
-			}
-		}
-		kv = strings.SplitN(attr, `=`, 2)
-		if len(kv) != 2 {
-			continue
-		}
-		key = strings.TrimSpace(kv[0])
-		val = strings.Trim(kv[1], `"`)
-		switch key {
-		case attrNameFloat, attrNameAlign, attrNameRole:
-			if val == `center` {
-				val = `text-center`
-			}
-			el.addRole(val)
-		default:
-			el.Attrs[key] = val
-		}
-	}
-
-	for key, val = range el.Attrs {
-		if key == attrNameLink {
-			val = string(applySubstitutions(doc, []byte(val)))
-			el.Attrs[key] = val
-		}
-	}
-
-	return true
-}
-
 func (el *element) parseInlineMarkup(doc *Document, kind int) {
 	if len(el.raw) == 0 {
 		return