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package skate
import (
"regexp"
)
var (
PatDOI = regexp.MustCompile(`10[.][0-9]{1,8}/[^ ]*[\w]`)
PatDOINoHyphen = regexp.MustCompile(`10[.][0-9]{1,8}/[^ -]*[\w]`)
PatArxiv = regexp.MustCompile(`https?://arxiv.org/(pdf|abs)/([0-9]{4,4}[.][0-9]{1,8})(v[0-9]{1,2})?(.pdf)?`)
)
// ParseUnstructured will in-place augment missing DOI, arxiv id and so on.
func ParseUnstructured(ref *Ref) error {
var (
uns = ref.Biblio.Unstructured
v string
vs []string
)
// DOI
v = PatDOI.FindString(uns)
if v != "" && ref.Biblio.DOI == "" {
ref.Biblio.DOI = SanitizeDOI(v)
}
// Arxiv
vs = PatArxiv.FindStringSubmatch(uns)
if len(vs) != 0 && ref.Biblio.ArxivId == "" {
ref.Biblio.ArxivId = vs[2]
}
// XXX: ISBN
ref.Biblio.Extra.ISBN = ParseIsbn(uns)
// Some more, not yet handled examples:
// - 2005 Sep;95(9):1545-51
// - Pattern Anal. Mach. Intell., 36(2):346-360, 2014. 4, 6, 7"
// - only unstructured, and it contains a URL - then reference might be to
// that site, actually, e.g.
// https://fatcat.wiki/release/xqgaanhpf5gotdxxxytgyxw2ty/references ref #20
//
//
// There seems to be a number tiny of data issues; e.g. one off dates. Can
// we fix them here?
// Include: https://images.webofknowledge.com/images/help/WOS/J_abrvjt.html, ...
//
// Also: We may have differing values (between .pages and some hint in
// unstructured), e.g. for the page counts, etc.
return nil
}
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