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Refactor go.mod parsing #46

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Refactor go.mod parsing #46

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26 changes: 12 additions & 14 deletions parser/module.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,9 @@ package parser

import (
"os"
"regexp"

"github.com/pkg/errors"
"golang.org/x/mod/modfile"
)

// Go mod 信息
Expand All @@ -25,21 +25,19 @@ func ParseGoModuleInfo(path string) (*GoModuleInfo, error) {
}

func parseGoModContent(content []byte) (*GoModuleInfo, error) {
var info GoModuleInfo
// TODO: simple parser
moduleExp := regexp.MustCompile(`module (.+)`)
goVersionExp := regexp.MustCompile(`go (.+)`)

if matches := moduleExp.FindSubmatch(content); len(matches) == 2 {
info.Name = string(matches[1])
} else {
mf, err := modfile.Parse("go.mod", content, nil)
if err != nil {
return nil, err
}
if mf.Module == nil {
return nil, errors.New("module name not found")
}

if matches := goVersionExp.FindSubmatch(content); len(matches) == 2 {
info.GoVersion = string(matches[1])
} else {
if mf.Go == nil {
return nil, errors.New("go version not found")
}
return &info, nil
info := &GoModuleInfo{
Name: mf.Module.Mod.Path,
GoVersion: mf.Go.Version,
}
return info, nil
}