121 lines
3.0 KiB
Go
Executable File
121 lines
3.0 KiB
Go
Executable File
// Copyright (c) 2014, B3log
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package file
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import (
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"encoding/json"
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"go/ast"
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"go/parser"
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"go/token"
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"net/http"
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"github.com/b3log/wide/util"
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)
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type element struct {
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Name string
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Pos token.Pos
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End token.Pos
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}
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// GetOutline gets outfile of a go file.
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func GetOutline(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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logger.Error(err)
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data["succ"] = false
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return
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}
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code := args["code"].(string)
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fset := token.NewFileSet()
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f, err := parser.ParseFile(fset, "", code, 0)
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if err != nil {
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data["succ"] = false
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return
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}
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//ast.Print(fset, f)
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data["package"] = &element{Name: f.Name.Name, Pos: f.Name.Pos(), End: f.Name.End()}
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imports := []*element{}
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for _, astImport := range f.Imports {
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impt := &element{Name: astImport.Path.Value, Pos: astImport.Path.Pos(), End: astImport.Path.End()}
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imports = append(imports, impt)
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}
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data["imports"] = imports
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funcDecls := []*element{}
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varDecls := []*element{}
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constDecls := []*element{}
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structDecls := []*element{}
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interfaceDecls := []*element{}
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for _, decl := range f.Decls {
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switch decl.(type) {
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case *ast.FuncDecl:
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funcDecl := decl.(*ast.FuncDecl)
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decl := &element{Name: funcDecl.Name.Name, Pos: funcDecl.Name.Pos(), End: funcDecl.Name.End()}
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funcDecls = append(funcDecls, decl)
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case *ast.GenDecl:
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genDecl := decl.(*ast.GenDecl)
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for _, spec := range genDecl.Specs {
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switch genDecl.Tok {
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case token.VAR:
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variableSpec := spec.(*ast.ValueSpec)
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decl := &element{Name: variableSpec.Names[0].Name, Pos: variableSpec.Pos(), End: variableSpec.End()}
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varDecls = append(varDecls, decl)
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case token.TYPE:
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typeSpec := spec.(*ast.TypeSpec)
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decl := &element{Name: typeSpec.Name.Name, Pos: typeSpec.Name.Pos(), End: typeSpec.Name.End()}
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switch typeSpec.Type.(type) {
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case *ast.StructType:
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structDecls = append(structDecls, decl)
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case *ast.InterfaceType:
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interfaceDecls = append(interfaceDecls, decl)
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}
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case token.CONST:
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constSpec := spec.(*ast.ValueSpec)
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decl := &element{Name: constSpec.Names[0].Name, Pos: constSpec.Pos(), End: constSpec.End()}
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constDecls = append(constDecls, decl)
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}
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}
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}
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}
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data["funcDecls"] = funcDecls
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data["varDecls"] = varDecls
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data["constDecls"] = constDecls
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data["structDecls"] = structDecls
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data["interfaceDecls"] = interfaceDecls
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}
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