/
make.go
76 lines (60 loc) · 1.39 KB
/
make.go
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// SPDX-FileCopyrightText: 2018-2024 caixw
//
// SPDX-License-Identifier: MIT
package status
import (
"go/ast"
"go/build"
"go/parser"
"go/token"
"net/http"
"path/filepath"
"strconv"
"strings"
)
const FileHeader = "// 此文件由工具产生,请勿手动修改!\n\n"
// Get 从 net/http/status.go 获取所有的状态码
func Get() ([]Pair, error) {
path := filepath.Join(build.Default.GOROOT, "src", "net", "http", "status.go")
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, path, nil, parser.AllErrors)
if err != nil {
return nil, err
}
pairs := make([]Pair, 0, 100)
LOOP:
for _, decl := range f.Decls {
gen, ok := decl.(*ast.GenDecl)
if !ok {
continue
}
for _, spec := range gen.Specs {
vs, ok := spec.(*ast.ValueSpec)
if !ok {
continue LOOP
}
name := vs.Names[0].Name
if name != "_" && !strings.HasPrefix(name, "Status") { // name 格式不正确
continue LOOP
}
val, ok := vs.Values[0].(*ast.BasicLit)
if !ok || val.Kind != token.INT { // value 不正确
continue LOOP
}
v, err := strconv.Atoi(val.Value)
if err != nil {
return nil, err
}
if v < http.StatusBadRequest { // 400 以下的不需要
continue
}
pairs = append(pairs, Pair{Name: name, Value: v})
}
}
return pairs, nil
}
type Pair struct {
Name string
Value int
}
func (p Pair) ID() string { return "Problem" + p.Name[6:] }