Commits
Diff
package text
import (
"grim/cstyle"
"grim/element"
"html"
"strings"
)
var nonRenderTags = map[string]bool{
"head": true,
"meta": true,
"link": true,
"title": true,
"style": true,
}
func Init() cstyle.Transformer {
return cstyle.Transformer{
Selector: func(n *element.Node, c *cstyle.CSS) bool {
if len(strings.TrimSpace(n.InnerText)) > 0 && !element.ChildrenHaveText(n) {
return true
} else {
return false
}
},
Handler: func(n *element.Node, c *cstyle.CSS) *element.Node {
if nonRenderTags[n.TagName] {
return n
}
words := strings.Split(strings.TrimSpace(DecodeHTMLEscapes(n.InnerText)), " ")
n.InnerText = ""
if n.ComputedStyle["display"] == "inline" {
n.InnerText = DecodeHTMLEscapes(words[0])
for i := 0; i < len(words)-1; i++ {
// Add the words backwards because you are inserting adjacent to the parent
a := (len(words) - 1) - i
if len(strings.TrimSpace(words[a])) > 0 {
el := n.CreateElement("text")
el.InnerText = words[a]
el.Parent = n
element.QuickStyles(&el)
el.ComputedStyle["display"] = "inline"
el.ComputedStyle["font-size"] = "1em"
InsertAfter(n.Parent, &el, n)
}
}
} else {
for i := 0; i < len(words); i++ {
if len(strings.TrimSpace(words[i])) > 0 {
el := n.CreateElement("text")
el.InnerText = words[i]
el.Parent = n
element.QuickStyles(&el)
el.ComputedStyle["display"] = "inline"
el.ComputedStyle["font-size"] = "1em"
AppendChild(n, &el)
}
}
}
return n
},
}
}
func DecodeHTMLEscapes(input string) string {
return html.UnescapeString(input)
}
func InsertAfter(n, c, tgt *element.Node) {
c.Properties.Id = element.GenerateUniqueId(n, c.TagName)
nodeIndex := -1
for i, v := range n.Children {
if v.Properties.Id == tgt.Properties.Id {
nodeIndex = i
break
}
}
if nodeIndex > -1 {
n.Children = append(n.Children, nil) // Extend the slice by one
copy(n.Children[nodeIndex+2:], n.Children[nodeIndex+1:]) // Shift elements to the right
n.Children[nodeIndex+1] = c // Insert the new node
} else {
AppendChild(n, c)
}
}
func AppendChild(n, c *element.Node) {
c.Properties.Id = element.GenerateUniqueId(n, c.TagName)
n.Children = append(n.Children, c)
}
