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55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
2 years ago
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package main
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import (
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"log"
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"regexp"
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)
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var (
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alias = regexp.MustCompile(`\|(.*)`)
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link = regexp.MustCompile(`^([a-zA-Z ]+)?[\|\#\^\\]?`)
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subsection = regexp.MustCompile(`#([\w\s]+)`)
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block = regexp.MustCompile(`#\^([a-zA-Z ]+)`)
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wholeLink = regexp.MustCompile(`\[\[(.*)\]\]`)
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)
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type Link struct {
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Dest, Alias, Subsection, Block string
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}
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func ExtractLink(raw string) Link {
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var li Link
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rawLinkMatch := wholeLink.FindAllStringSubmatch(raw, -1)
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var rawLink string
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if len(rawLinkMatch) > 0 {
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rawLink = rawLinkMatch[0][1]
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}
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l := link.FindAllStringSubmatch(rawLink, -1)
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if len(l) > 0 {
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li.Dest = l[0][1]
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}
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a := alias.FindAllStringSubmatch(rawLink, -1)
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if len(a) > 0 {
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li.Alias = a[0][1]
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}
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s := subsection.FindAllStringSubmatch(rawLink, -1)
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if len(s) > 0 {
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li.Subsection = s[0][1]
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}
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b := block.FindAllStringSubmatch(rawLink, -1)
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if len(b) > 0 {
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li.Block = b[0][1]
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}
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return li
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}
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func main() {
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log.Printf("%#v\n", ExtractLink(`Embedding a link in a bigger block of text [[Regular Link#^link to block]] shouldn't cause any problems `))
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}
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