/
package_parser.go
62 lines (51 loc) · 1.14 KB
/
package_parser.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
package inspector
import (
"fmt"
"go/ast"
"go/parser"
"go/token"
"io/ioutil"
"path/filepath"
)
type StructParser interface {
Parse(n ast.Node) ([]Struct, error)
}
type PackageParser struct {
s StructParser
}
func NewPackageParser(s StructParser) PackageParser {
return PackageParser{
s: s,
}
}
func (p PackageParser) Parse(packagePath, gopath string) (map[string]Struct, error) {
pkgPath := filepath.Join(gopath, "src", packagePath)
files, err := ioutil.ReadDir(pkgPath)
if err != nil {
return nil, err
}
m := make(map[string]Struct)
for _, file := range files {
if file.IsDir() || filepath.Ext(file.Name()) != ".go" {
continue
}
filePath := filepath.Join(pkgPath, file.Name())
fileData, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, fmt.Errorf("%s -> %s", filePath, err)
}
fset := token.NewFileSet()
n, err := parser.ParseFile(fset, filePath, fileData, 0)
if err != nil {
return nil, fmt.Errorf("%s -> %s", filePath, err)
}
ss, err := p.s.Parse(n)
if err != nil {
return nil, fmt.Errorf("%s -> %s", filePath, err)
}
for _, s := range ss {
m[s.Name] = s
}
}
return m, nil
}