41 lines
762 B
Go
41 lines
762 B
Go
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package parser
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import (
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"fmt"
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"strings"
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)
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// Build builds an URI scheme from a pattern string
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func Build(s string) (*Scheme, error){
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/* (1) Manage '/' at the start */
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if len(s) < 1 || s[0] != '/' {
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return nil, fmt.Errorf("URI must begin with '/'")
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}
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/* (2) Split by '/' */
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parts := strings.Split(s, "/")
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/* (3) Max exceeded */
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if len(parts)-2 > maxMatch {
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for i, p := range parts {
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fmt.Printf("%d: '%s'\n", i, p);
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}
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return nil, fmt.Errorf("URI must not exceed %d slash-separated components, got %d", maxMatch, len(parts))
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}
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/* (4) Build for each part */
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sch, err := buildScheme(parts)
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if err != nil {
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return nil, err
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}
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/* (5) Optimise */
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opti, err := sch.optimise()
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if err != nil {
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return nil, err
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}
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return &opti, nil
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}
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