mirror of https://github.com/go-gitea/gitea.git
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package rule
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import (
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"regexp"
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"github.com/mgechev/revive/lint"
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)
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// FileHeaderRule lints given else constructs.
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type FileHeaderRule struct{}
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var (
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multiRegexp = regexp.MustCompile("^/\\*")
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singleRegexp = regexp.MustCompile("^//")
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)
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// Apply applies the rule to given file.
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func (r *FileHeaderRule) Apply(file *lint.File, arguments lint.Arguments) []lint.Failure {
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if len(arguments) != 1 {
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panic(`invalid configuration for "file-header" rule`)
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}
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header, ok := arguments[0].(string)
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if !ok {
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panic(`invalid argument for "file-header" rule: first argument should be a string`)
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}
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failure := []lint.Failure{
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{
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Node: file.AST,
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Confidence: 1,
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Failure: "the file doesn't have an appropriate header",
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},
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}
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if len(file.AST.Comments) == 0 {
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return failure
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}
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g := file.AST.Comments[0]
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if g == nil {
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return failure
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}
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comment := ""
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for _, c := range g.List {
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text := c.Text
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if multiRegexp.Match([]byte(text)) {
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text = text[2 : len(text)-2]
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} else if singleRegexp.Match([]byte(text)) {
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text = text[2:]
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}
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comment += text
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}
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regex, err := regexp.Compile(header)
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if err != nil {
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panic(err.Error())
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}
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if !regex.Match([]byte(comment)) {
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return failure
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}
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return nil
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}
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// Name returns the rule name.
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func (r *FileHeaderRule) Name() string {
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return "file-header"
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}
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