Jeffrey Smith
11fd8c1e57
- go.mod module name
- All 714 import references across 289 Go files
- VERSION: 0.1.0
- CI DB names: switchboard_core_{ci,dev,test}
- Docker image: gobha/switchboard-core
- Test fixtures: JWT issuer, repo names
- .env.example, docker-compose container name
- Compiles clean (go build exit 0)
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
package notelinks
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import (
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"regexp"
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"strings"
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"switchboard-core/models"
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)
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// wikiRe matches [[Title]], [[Title|Display]], ![[Title]], and ![[Title|Display]].
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// Title first char rejects [ and ] to avoid matching inside [[[triple]]].
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var wikiRe = regexp.MustCompile(`(!?)\[\[([^\[\]|][^\]|]*?)(?:\|([^\]]+?))?\]\]`)
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// ExtractWikilinks parses [[Title]], [[Title|Display]], and ![[Title]] from markdown content.
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// Returns deduplicated links preserving first occurrence.
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// Ignores matches preceded by [ (e.g. [[[triple]]]) since Go regexp lacks lookbehind.
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func ExtractWikilinks(content string) []models.NoteLink {
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indices := wikiRe.FindAllStringSubmatchIndex(content, -1)
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seen := make(map[string]bool)
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var links []models.NoteLink
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for _, idx := range indices {
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matchStart := idx[0] // start of full match (including optional !)
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// Skip if preceded by [ — rejects [[[triple]]] patterns
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if matchStart > 0 && content[matchStart-1] == '[' {
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continue
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}
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// Extract submatches by index pairs: idx[2*n], idx[2*n+1]
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title := strings.TrimSpace(content[idx[4]:idx[5]]) // group 2: title
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key := strings.ToLower(title)
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if key == "" || seen[key] {
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continue
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}
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seen[key] = true
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link := models.NoteLink{
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TargetTitle: title,
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IsTransclusion: content[idx[2]:idx[3]] == "!", // group 1
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}
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// group 3: display text (optional — idx[6:7] may be -1)
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if idx[6] >= 0 && idx[7] >= 0 {
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link.DisplayText = strings.TrimSpace(content[idx[6]:idx[7]])
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}
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links = append(links, link)
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}
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return links
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}
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