/
handler.go
64 lines (56 loc) · 1.88 KB
/
handler.go
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package bbparser
import (
"fmt"
"strings"
)
// Handler - function type for handling content between bbcode tags
type Handler func(Tag, string) string
// SimpleHandler - handle tags that need just add html tags at the begin and the end
func SimpleHandler(tag Tag, content string) string {
return fmt.Sprintf("<%s>%s</%s>", tag.Name, content, tag.Name)
}
func TextAlignHandler(tag Tag, content string) string {
return fmt.Sprintf("<div style=\"text-align:%s;\">%s</div>", tag.Name, content)
}
// FontColorHandler - parse color tag with color attribute
func FontColorHandler(tag Tag, content string) string {
var colorAttr string
if v, ok := tag.Attributes[startingAttr]; ok {
colorAttr = "color=" + v
}
return fmt.Sprintf("<font %s>%s</font>", colorAttr, content)
}
// FontSizeHandler - parse size tag with size attribute
func FontSizeHandler(tag Tag, content string) string {
var sizeAttr string
if v, ok := tag.Attributes[startingAttr]; ok {
sizeAttr = "size=" + v
}
return fmt.Sprintf("<font %s>%s</font>", sizeAttr, content)
}
// URLHandler - parse url tag with or without attribute
func URLHandler(tag Tag, content string) string {
var link string
if v, ok := tag.Attributes[startingAttr]; ok {
link = v
} else {
link = content
}
return fmt.Sprintf("<a href=\"%s\">%s</a>", link, content)
}
// ListHandler - parse list with one-line tags (double tags like [li] parsed separated)
func ListHandler(tag Tag, content string) string {
var listContent string
items := strings.Split(content, "\n")
for _, item := range items {
trimed := strings.TrimSpace(item)
if strings.HasPrefix(trimed, "[*]") || strings.HasPrefix(trimed, "*") {
trimed = strings.TrimPrefix(trimed, "[*]")
trimed = strings.TrimPrefix(trimed, "*")
listContent += fmt.Sprintf("<li>%s</li>", trimed)
} else {
listContent += trimed
}
}
return fmt.Sprintf("<%s>%s</%s>", tag.Name, listContent, tag.Name)
}