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-rw-r--r--modules/packages/conan/conanfile_parser.go67
1 files changed, 67 insertions, 0 deletions
diff --git a/modules/packages/conan/conanfile_parser.go b/modules/packages/conan/conanfile_parser.go
new file mode 100644
index 0000000..c47b242
--- /dev/null
+++ b/modules/packages/conan/conanfile_parser.go
@@ -0,0 +1,67 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package conan
+
+import (
+ "io"
+ "regexp"
+ "strings"
+)
+
+var (
+ patternAuthor = compilePattern("author")
+ patternHomepage = compilePattern("homepage")
+ patternURL = compilePattern("url")
+ patternLicense = compilePattern("license")
+ patternDescription = compilePattern("description")
+ patternTopics = regexp.MustCompile(`(?im)^\s*topics\s*=\s*\((.+)\)`)
+ patternTopicList = regexp.MustCompile(`\s*['"](.+?)['"]\s*,?`)
+)
+
+func compilePattern(name string) *regexp.Regexp {
+ return regexp.MustCompile(`(?im)^\s*` + name + `\s*=\s*['"\(](.+)['"\)]`)
+}
+
+func ParseConanfile(r io.Reader) (*Metadata, error) {
+ buf, err := io.ReadAll(io.LimitReader(r, 1<<20))
+ if err != nil {
+ return nil, err
+ }
+
+ metadata := &Metadata{}
+
+ m := patternAuthor.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ metadata.Author = string(m[1])
+ }
+ m = patternHomepage.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ metadata.ProjectURL = string(m[1])
+ }
+ m = patternURL.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ metadata.RepositoryURL = string(m[1])
+ }
+ m = patternLicense.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ metadata.License = strings.ReplaceAll(strings.ReplaceAll(string(m[1]), "'", ""), "\"", "")
+ }
+ m = patternDescription.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ metadata.Description = string(m[1])
+ }
+ m = patternTopics.FindSubmatch(buf)
+ if len(m) > 1 && len(m[1]) > 0 {
+ m2 := patternTopicList.FindAllSubmatch(m[1], -1)
+ if len(m2) > 0 {
+ metadata.Keywords = make([]string, 0, len(m2))
+ for _, g := range m2 {
+ if len(g) > 1 {
+ metadata.Keywords = append(metadata.Keywords, string(g[1]))
+ }
+ }
+ }
+ }
+ return metadata, nil
+}