mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-10-30 11:46:16 +00:00
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package markup
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import (
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"fmt"
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"path"
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"strings"
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)
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// LinkParts determines what href, text and class should resulting <a> have based on mycomarkup's addr, display and hypha name.
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//
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// => addr display
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// [[addr|display]]
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func LinkParts(addr, display, hyphaName string) (href, text, class, icon string) {
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if display == "" {
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text = addr
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} else {
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text = strings.TrimSpace(display)
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}
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class = "wikilink_internal"
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switch {
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case strings.ContainsRune(addr, ':'):
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pos := strings.IndexRune(addr, ':')
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destination := addr[:pos]
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if display == "" {
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text = addr[pos+1:]
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if strings.HasPrefix(text, "//") && len(text) > 2 {
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text = text[2:]
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}
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}
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return addr, text, "wikilink_external", fmt.Sprintf(`<img class="wikilink__destination-type" src="/static/icon/%s" width="16" height="16"/>`, destination)
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case strings.HasPrefix(addr, "/"):
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return addr, text, class, ""
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case strings.HasPrefix(addr, "./"):
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hyphaName = canonicalName(path.Join(hyphaName, addr[2:]))
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case strings.HasPrefix(addr, "../"):
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hyphaName = canonicalName(path.Join(path.Dir(hyphaName), addr[3:]))
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default:
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hyphaName = canonicalName(addr)
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}
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if !HyphaExists(hyphaName) {
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class += " wikilink_new"
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}
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return "/page/" + hyphaName, text, class, ""
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}
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// Parse markup line starting with "=>" according to wikilink rules.
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// See http://localhost:1737/page/wikilink
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func Rocketlink(src, hyphaName string) (href, text, class, icon string) {
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src = strings.TrimSpace(src[2:]) // Drop =>
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if src == "" {
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return
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}
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// Href is text after => till first whitespace
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addr := strings.Fields(src)[0]
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display := strings.TrimPrefix(src, addr)
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return LinkParts(addr, display, hyphaName)
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}
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