9fe4437bda
* Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net>
110 lines
3.2 KiB
Go
Vendored
110 lines
3.2 KiB
Go
Vendored
package buildutil
|
|
|
|
import (
|
|
"fmt"
|
|
"go/build"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
// FakeContext returns a build.Context for the fake file tree specified
|
|
// by pkgs, which maps package import paths to a mapping from file base
|
|
// names to contents.
|
|
//
|
|
// The fake Context has a GOROOT of "/go" and no GOPATH, and overrides
|
|
// the necessary file access methods to read from memory instead of the
|
|
// real file system.
|
|
//
|
|
// Unlike a real file tree, the fake one has only two levels---packages
|
|
// and files---so ReadDir("/go/src/") returns all packages under
|
|
// /go/src/ including, for instance, "math" and "math/big".
|
|
// ReadDir("/go/src/math/big") would return all the files in the
|
|
// "math/big" package.
|
|
//
|
|
func FakeContext(pkgs map[string]map[string]string) *build.Context {
|
|
clean := func(filename string) string {
|
|
f := path.Clean(filepath.ToSlash(filename))
|
|
// Removing "/go/src" while respecting segment
|
|
// boundaries has this unfortunate corner case:
|
|
if f == "/go/src" {
|
|
return ""
|
|
}
|
|
return strings.TrimPrefix(f, "/go/src/")
|
|
}
|
|
|
|
ctxt := build.Default // copy
|
|
ctxt.GOROOT = "/go"
|
|
ctxt.GOPATH = ""
|
|
ctxt.Compiler = "gc"
|
|
ctxt.IsDir = func(dir string) bool {
|
|
dir = clean(dir)
|
|
if dir == "" {
|
|
return true // needed by (*build.Context).SrcDirs
|
|
}
|
|
return pkgs[dir] != nil
|
|
}
|
|
ctxt.ReadDir = func(dir string) ([]os.FileInfo, error) {
|
|
dir = clean(dir)
|
|
var fis []os.FileInfo
|
|
if dir == "" {
|
|
// enumerate packages
|
|
for importPath := range pkgs {
|
|
fis = append(fis, fakeDirInfo(importPath))
|
|
}
|
|
} else {
|
|
// enumerate files of package
|
|
for basename := range pkgs[dir] {
|
|
fis = append(fis, fakeFileInfo(basename))
|
|
}
|
|
}
|
|
sort.Sort(byName(fis))
|
|
return fis, nil
|
|
}
|
|
ctxt.OpenFile = func(filename string) (io.ReadCloser, error) {
|
|
filename = clean(filename)
|
|
dir, base := path.Split(filename)
|
|
content, ok := pkgs[path.Clean(dir)][base]
|
|
if !ok {
|
|
return nil, fmt.Errorf("file not found: %s", filename)
|
|
}
|
|
return ioutil.NopCloser(strings.NewReader(content)), nil
|
|
}
|
|
ctxt.IsAbsPath = func(path string) bool {
|
|
path = filepath.ToSlash(path)
|
|
// Don't rely on the default (filepath.Path) since on
|
|
// Windows, it reports virtual paths as non-absolute.
|
|
return strings.HasPrefix(path, "/")
|
|
}
|
|
return &ctxt
|
|
}
|
|
|
|
type byName []os.FileInfo
|
|
|
|
func (s byName) Len() int { return len(s) }
|
|
func (s byName) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
|
|
func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() }
|
|
|
|
type fakeFileInfo string
|
|
|
|
func (fi fakeFileInfo) Name() string { return string(fi) }
|
|
func (fakeFileInfo) Sys() interface{} { return nil }
|
|
func (fakeFileInfo) ModTime() time.Time { return time.Time{} }
|
|
func (fakeFileInfo) IsDir() bool { return false }
|
|
func (fakeFileInfo) Size() int64 { return 0 }
|
|
func (fakeFileInfo) Mode() os.FileMode { return 0644 }
|
|
|
|
type fakeDirInfo string
|
|
|
|
func (fd fakeDirInfo) Name() string { return string(fd) }
|
|
func (fakeDirInfo) Sys() interface{} { return nil }
|
|
func (fakeDirInfo) ModTime() time.Time { return time.Time{} }
|
|
func (fakeDirInfo) IsDir() bool { return true }
|
|
func (fakeDirInfo) Size() int64 { return 0 }
|
|
func (fakeDirInfo) Mode() os.FileMode { return 0755 }
|