41 lines
914 B
Go
41 lines
914 B
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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// parser keeps track of the parsing
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type parser struct {
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sum map[string]result // metrics per domain
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domains []string // unique domain names
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}
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// newParser constructs, initializes and returns a new parser
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func newParser() *parser {
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return &parser{sum: make(map[string]result)}
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}
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// parse all the log lines and update the results
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func parse(p *parser) error {
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process := func(r result) {
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update(p, r)
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}
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err := scan(process)
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return err
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}
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func update(p *parser, r result) {
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// Collect the unique domains
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if _, ok := p.sum[r.domain]; !ok {
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p.domains = append(p.domains, r.domain)
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}
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// create and assign a new copy of `visit`
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p.sum[r.domain] = addResult(r, p.sum[r.domain])
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}
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