forked from mirror/codeberg-forgejo
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package conan
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import (
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"io"
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"regexp"
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"strings"
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)
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var (
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patternAuthor = compilePattern("author")
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patternHomepage = compilePattern("homepage")
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patternURL = compilePattern("url")
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patternLicense = compilePattern("license")
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patternDescription = compilePattern("description")
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patternTopics = regexp.MustCompile(`(?im)^\s*topics\s*=\s*\((.+)\)`)
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patternTopicList = regexp.MustCompile(`\s*['"](.+?)['"]\s*,?`)
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)
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func compilePattern(name string) *regexp.Regexp {
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return regexp.MustCompile(`(?im)^\s*` + name + `\s*=\s*['"\(](.+)['"\)]`)
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}
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func ParseConanfile(r io.Reader) (*Metadata, error) {
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buf, err := io.ReadAll(io.LimitReader(r, 1<<20))
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if err != nil {
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return nil, err
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}
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metadata := &Metadata{}
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m := patternAuthor.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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metadata.Author = string(m[1])
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}
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m = patternHomepage.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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metadata.ProjectURL = string(m[1])
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}
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m = patternURL.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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metadata.RepositoryURL = string(m[1])
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}
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m = patternLicense.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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metadata.License = strings.ReplaceAll(strings.ReplaceAll(string(m[1]), "'", ""), "\"", "")
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}
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m = patternDescription.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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metadata.Description = string(m[1])
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}
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m = patternTopics.FindSubmatch(buf)
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if len(m) > 1 && len(m[1]) > 0 {
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m2 := patternTopicList.FindAllSubmatch(m[1], -1)
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if len(m2) > 0 {
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metadata.Keywords = make([]string, 0, len(m2))
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for _, g := range m2 {
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if len(g) > 1 {
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metadata.Keywords = append(metadata.Keywords, string(g[1]))
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}
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}
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}
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}
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return metadata, nil
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}
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