Subversion Repositories openrisc

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package token

type serializedFile struct {
        // fields correspond 1:1 to fields with same (lower-case) name in File
        Name  string
        Base  int
        Size  int
        Lines []int
        Infos []lineInfo
}

type serializedFileSet struct {
        Base  int
        Files []serializedFile
}

// Read calls decode to deserialize a file set into s; s must not be nil.
func (s *FileSet) Read(decode func(interface{}) error) error {
        var ss serializedFileSet
        if err := decode(&ss); err != nil {
                return err
        }

        s.mutex.Lock()
        s.base = ss.Base
        files := make([]*File, len(ss.Files))
        for i := 0; i < len(ss.Files); i++ {
                f := &ss.Files[i]
                files[i] = &File{s, f.Name, f.Base, f.Size, f.Lines, f.Infos}
        }
        s.files = files
        s.last = nil
        s.mutex.Unlock()

        return nil
}

// Write calls encode to serialize the file set s.
func (s *FileSet) Write(encode func(interface{}) error) error {
        var ss serializedFileSet

        s.mutex.Lock()
        ss.Base = s.base
        files := make([]serializedFile, len(s.files))
        for i, f := range s.files {
                files[i] = serializedFile{f.name, f.base, f.size, f.lines, f.infos}
        }
        ss.Files = files
        s.mutex.Unlock()

        return encode(ss)
}