This repository has been archived by the owner on Jul 29, 2019. It is now read-only.
/
utils.go
759 lines (713 loc) · 22.1 KB
/
utils.go
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// Copyright 2013-2014 gopm authors.
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package doc
import (
"bytes"
"go/build"
"io"
"io/ioutil"
"os"
"path"
"path/filepath"
"regexp"
"strings"
"time"
"github.com/Unknwon/com"
"github.com/gpmgo/gopm/log"
)
const VENDOR = ".vendor"
// GetDirsInfo returns os.FileInfo of all sub-directories in root path.
func GetDirsInfo(rootPath string) ([]os.FileInfo, error) {
if !com.IsDir(rootPath) {
log.Warn("Directory %s does not exist", rootPath)
return []os.FileInfo{}, nil
}
rootDir, err := os.Open(rootPath)
if err != nil {
return nil, err
}
defer rootDir.Close()
dirs, err := rootDir.Readdir(0)
if err != nil {
return nil, err
}
return dirs, nil
}
// A Source describles a Source code file.
type Source struct {
SrcName string
SrcData []byte
}
func (s *Source) Name() string { return s.SrcName }
func (s *Source) Size() int64 { return int64(len(s.SrcData)) }
func (s *Source) Mode() os.FileMode { return 0 }
func (s *Source) ModTime() time.Time { return time.Time{} }
func (s *Source) IsDir() bool { return false }
func (s *Source) Sys() interface{} { return nil }
func (s *Source) Data() []byte { return s.SrcData }
type Context struct {
build.Context
importPath string
srcFiles map[string]*Source
}
func (ctx *Context) readDir(dir string) ([]os.FileInfo, error) {
fis := make([]os.FileInfo, 0, len(ctx.srcFiles))
for _, src := range ctx.srcFiles {
fis = append(fis, src)
}
return fis, nil
}
func (ctx *Context) openFile(path string) (r io.ReadCloser, err error) {
if src, ok := ctx.srcFiles[filepath.Base(path)]; ok {
return ioutil.NopCloser(bytes.NewReader(src.Data())), nil
}
return nil, os.ErrNotExist
}
// GetImports returns package denpendencies.
func GetImports(absPath, importPath string, example, test bool) []string {
fis, err := GetDirsInfo(absPath)
if err != nil {
log.Error("", "Fail to get directory's information")
log.Fatal("", err.Error())
}
absPath += "/"
ctx := new(Context)
ctx.importPath = importPath
ctx.srcFiles = make(map[string]*Source)
ctx.Context = build.Default
ctx.JoinPath = path.Join
ctx.IsAbsPath = path.IsAbs
ctx.ReadDir = ctx.readDir
ctx.OpenFile = ctx.openFile
// TODO: Load too much, need to make sure which is imported which are not.
dirs := make([]string, 0, 10)
for _, fi := range fis {
if strings.Contains(fi.Name(), VENDOR) {
continue
}
if fi.IsDir() {
dirs = append(dirs, absPath+fi.Name())
continue
} else if !test && strings.HasSuffix(fi.Name(), "_test.go") {
continue
} else if !strings.HasSuffix(fi.Name(), ".go") || strings.HasPrefix(fi.Name(), ".") ||
strings.HasPrefix(fi.Name(), "_") {
continue
}
src := &Source{SrcName: fi.Name()}
src.SrcData, err = ioutil.ReadFile(absPath + fi.Name())
if err != nil {
log.Error("", "Fail to read file")
log.Fatal("", err.Error())
}
ctx.srcFiles[fi.Name()] = src
}
pkg, err := ctx.ImportDir(absPath, build.AllowBinary)
if err != nil {
if _, ok := err.(*build.NoGoError); !ok {
log.Error("", "Fail to get imports")
log.Fatal("", err.Error())
}
}
imports := make([]string, 0, len(pkg.Imports))
for _, p := range pkg.Imports {
if !IsGoRepoPath(p) && !strings.HasPrefix(p, importPath) {
imports = append(imports, p)
}
}
if len(dirs) > 0 {
imports = append(imports, GetAllImports(dirs, importPath, example, test)...)
}
return imports
}
// isVcsPath returns true if the directory was created by VCS.
func isVcsPath(dirPath string) bool {
return strings.Contains(dirPath, "/.git") ||
strings.Contains(dirPath, "/.hg") ||
strings.Contains(dirPath, "/.svn")
}
// GetAllImports returns all imports in given directory and all sub-directories.
func GetAllImports(dirs []string, importPath string, example, test bool) (imports []string) {
for _, d := range dirs {
if !isVcsPath(d) &&
!(!example && strings.Contains(d, "example")) {
imports = append(imports, GetImports(d, importPath, example, test)...)
}
}
return imports
}
// GetGOPATH returns best matched GOPATH.
func GetBestMatchGOPATH(appPath string) string {
paths := com.GetGOPATHs()
for _, p := range paths {
if strings.HasPrefix(p, appPath) {
return strings.Replace(p, "\\", "/", -1)
}
}
return paths[0]
}
// CheckIsExistWithVCS returns false if directory only has VCS folder,
// or doesn't exist.
func CheckIsExistWithVCS(path string) bool {
// Check if directory exist.
if !com.IsExist(path) {
return false
}
// Check if only has VCS folder.
dirs, err := GetDirsInfo(path)
if err != nil {
log.Error("", "Fail to get directory's information")
log.Fatal("", err.Error())
}
if len(dirs) > 1 {
return true
} else if len(dirs) == 0 {
return false
}
switch dirs[0].Name() {
case ".git", ".hg", ".svn":
return false
}
return true
}
// CheckIsExistInGOPATH checks if given package import path exists in any path in GOPATH/src,
// and returns corresponding GOPATH.
func CheckIsExistInGOPATH(importPath string) (string, bool) {
paths := com.GetGOPATHs()
for _, p := range paths {
if CheckIsExistWithVCS(p + "/src/" + importPath + "/") {
return p, true
}
}
return "", false
}
// GetProjectPath returns project path of import path.
func GetProjectPath(importPath string) (projectPath string) {
projectPath = importPath
// Check project hosting.
switch {
case strings.HasPrefix(importPath, "github.com") ||
strings.HasPrefix(importPath, "git.oschina.net"):
projectPath = joinPath(importPath, 3)
case strings.HasPrefix(importPath, "code.google.com"):
projectPath = joinPath(importPath, 3)
case strings.HasPrefix(importPath, "bitbucket.org"):
projectPath = joinPath(importPath, 3)
case strings.HasPrefix(importPath, "launchpad.net"):
projectPath = joinPath(importPath, 2)
}
return projectPath
}
func joinPath(importPath string, num int) string {
subdirs := strings.Split(importPath, "/")
if len(subdirs) > num {
return strings.Join(subdirs[:num], "/")
}
return importPath
}
var validTLD = map[string]bool{
// curl http://data.iana.org/TLD/tlds-alpha-by-domain.txt | sed -e '/#/ d' -e 's/.*/"&": true,/' | tr [:upper:] [:lower:]
".ac": true,
".ad": true,
".ae": true,
".aero": true,
".af": true,
".ag": true,
".ai": true,
".al": true,
".am": true,
".an": true,
".ao": true,
".aq": true,
".ar": true,
".arpa": true,
".as": true,
".asia": true,
".at": true,
".au": true,
".aw": true,
".ax": true,
".az": true,
".ba": true,
".bb": true,
".bd": true,
".be": true,
".bf": true,
".bg": true,
".bh": true,
".bi": true,
".biz": true,
".bj": true,
".bm": true,
".bn": true,
".bo": true,
".br": true,
".bs": true,
".bt": true,
".bv": true,
".bw": true,
".by": true,
".bz": true,
".ca": true,
".cat": true,
".cc": true,
".cd": true,
".cf": true,
".cg": true,
".ch": true,
".ci": true,
".ck": true,
".cl": true,
".cm": true,
".cn": true,
".co": true,
".com": true,
".coop": true,
".cr": true,
".cu": true,
".cv": true,
".cw": true,
".cx": true,
".cy": true,
".cz": true,
".de": true,
".dj": true,
".dk": true,
".dm": true,
".do": true,
".dz": true,
".ec": true,
".edu": true,
".ee": true,
".eg": true,
".er": true,
".es": true,
".et": true,
".eu": true,
".fi": true,
".fj": true,
".fk": true,
".fm": true,
".fo": true,
".fr": true,
".ga": true,
".gb": true,
".gd": true,
".ge": true,
".gf": true,
".gg": true,
".gh": true,
".gi": true,
".gl": true,
".gm": true,
".gn": true,
".gov": true,
".gp": true,
".gq": true,
".gr": true,
".gs": true,
".gt": true,
".gu": true,
".gw": true,
".gy": true,
".hk": true,
".hm": true,
".hn": true,
".hr": true,
".ht": true,
".hu": true,
".id": true,
".ie": true,
".il": true,
".im": true,
".in": true,
".info": true,
".int": true,
".io": true,
".iq": true,
".ir": true,
".is": true,
".it": true,
".je": true,
".jm": true,
".jo": true,
".jobs": true,
".jp": true,
".ke": true,
".kg": true,
".kh": true,
".ki": true,
".km": true,
".kn": true,
".kp": true,
".kr": true,
".kw": true,
".ky": true,
".kz": true,
".la": true,
".lb": true,
".lc": true,
".li": true,
".lk": true,
".lr": true,
".ls": true,
".lt": true,
".lu": true,
".lv": true,
".ly": true,
".ma": true,
".mc": true,
".md": true,
".me": true,
".mg": true,
".mh": true,
".mil": true,
".mk": true,
".ml": true,
".mm": true,
".mn": true,
".mo": true,
".mobi": true,
".mp": true,
".mq": true,
".mr": true,
".ms": true,
".mt": true,
".mu": true,
".museum": true,
".mv": true,
".mw": true,
".mx": true,
".my": true,
".mz": true,
".na": true,
".name": true,
".nc": true,
".ne": true,
".net": true,
".nf": true,
".ng": true,
".ni": true,
".nl": true,
".no": true,
".np": true,
".nr": true,
".nu": true,
".nz": true,
".om": true,
".org": true,
".pa": true,
".pe": true,
".pf": true,
".pg": true,
".ph": true,
".pk": true,
".pl": true,
".pm": true,
".pn": true,
".post": true,
".pr": true,
".pro": true,
".ps": true,
".pt": true,
".pw": true,
".py": true,
".qa": true,
".re": true,
".ro": true,
".rs": true,
".ru": true,
".rw": true,
".sa": true,
".sb": true,
".sc": true,
".sd": true,
".se": true,
".sg": true,
".sh": true,
".si": true,
".sj": true,
".sk": true,
".sl": true,
".sm": true,
".sn": true,
".so": true,
".sr": true,
".st": true,
".su": true,
".sv": true,
".sx": true,
".sy": true,
".sz": true,
".tc": true,
".td": true,
".tel": true,
".tf": true,
".tg": true,
".th": true,
".tj": true,
".tk": true,
".tl": true,
".tm": true,
".tn": true,
".to": true,
".tp": true,
".tr": true,
".travel": true,
".tt": true,
".tv": true,
".tw": true,
".tz": true,
".ua": true,
".ug": true,
".uk": true,
".us": true,
".uy": true,
".uz": true,
".va": true,
".vc": true,
".ve": true,
".vg": true,
".vi": true,
".vn": true,
".vu": true,
".wf": true,
".ws": true,
".xn--0zwm56d": true,
".xn--11b5bs3a9aj6g": true,
".xn--3e0b707e": true,
".xn--45brj9c": true,
".xn--80akhbyknj4f": true,
".xn--80ao21a": true,
".xn--90a3ac": true,
".xn--9t4b11yi5a": true,
".xn--clchc0ea0b2g2a9gcd": true,
".xn--deba0ad": true,
".xn--fiqs8s": true,
".xn--fiqz9s": true,
".xn--fpcrj9c3d": true,
".xn--fzc2c9e2c": true,
".xn--g6w251d": true,
".xn--gecrj9c": true,
".xn--h2brj9c": true,
".xn--hgbk6aj7f53bba": true,
".xn--hlcj6aya9esc7a": true,
".xn--j6w193g": true,
".xn--jxalpdlp": true,
".xn--kgbechtv": true,
".xn--kprw13d": true,
".xn--kpry57d": true,
".xn--lgbbat1ad8j": true,
".xn--mgb9awbf": true,
".xn--mgbaam7a8h": true,
".xn--mgbayh7gpa": true,
".xn--mgbbh1a71e": true,
".xn--mgbc0a9azcg": true,
".xn--mgberp4a5d4ar": true,
".xn--mgbx4cd0ab": true,
".xn--o3cw4h": true,
".xn--ogbpf8fl": true,
".xn--p1ai": true,
".xn--pgbs0dh": true,
".xn--s9brj9c": true,
".xn--wgbh1c": true,
".xn--wgbl6a": true,
".xn--xkc2al3hye2a": true,
".xn--xkc2dl3a5ee0h": true,
".xn--yfro4i67o": true,
".xn--ygbi2ammx": true,
".xn--zckzah": true,
".xxx": true,
".ye": true,
".yt": true,
".za": true,
".zm": true,
".zw": true,
}
var (
validHost = regexp.MustCompile(`^[-a-z0-9]+(?:\.[-a-z0-9]+)+$`)
validPathElement = regexp.MustCompile(`^[-A-Za-z0-9~+][-A-Za-z0-9_.]*$`)
)
// IsValidRemotePath returns true if importPath is structurally valid for "go get".
func IsValidRemotePath(importPath string) bool {
parts := strings.Split(importPath, "/")
if len(parts) <= 1 {
// Import path must contain at least one "/".
return false
}
if !validTLD[path.Ext(parts[0])] {
return false
}
if !validHost.MatchString(parts[0]) {
return false
}
for _, part := range parts[1:] {
if !validPathElement.MatchString(part) || part == "testdata" {
return false
}
}
return true
}
var standardPath = map[string]bool{
"builtin": true,
// go list -f '"{{.ImportPath}}": true,' std | grep -v 'cmd/|exp/'
"cmd/api": true,
"cmd/cgo": true,
"cmd/fix": true,
"cmd/go": true,
"cmd/gofmt": true,
"cmd/vet": true,
"cmd/yacc": true,
"archive/tar": true,
"archive/zip": true,
"bufio": true,
"bytes": true,
"compress/bzip2": true,
"compress/flate": true,
"compress/gzip": true,
"compress/lzw": true,
"compress/zlib": true,
"container/heap": true,
"container/list": true,
"container/ring": true,
"crypto": true,
"crypto/aes": true,
"crypto/cipher": true,
"crypto/des": true,
"crypto/dsa": true,
"crypto/ecdsa": true,
"crypto/elliptic": true,
"crypto/hmac": true,
"crypto/md5": true,
"crypto/rand": true,
"crypto/rc4": true,
"crypto/rsa": true,
"crypto/sha1": true,
"crypto/sha256": true,
"crypto/sha512": true,
"crypto/subtle": true,
"crypto/tls": true,
"crypto/x509": true,
"crypto/x509/pkix": true,
"database/sql": true,
"database/sql/driver": true,
"debug/dwarf": true,
"debug/elf": true,
"debug/gosym": true,
"debug/macho": true,
"debug/pe": true,
"encoding/ascii85": true,
"encoding/asn1": true,
"encoding/base32": true,
"encoding/base64": true,
"encoding/binary": true,
"encoding/csv": true,
"encoding/gob": true,
"encoding/hex": true,
"encoding/json": true,
"encoding/pem": true,
"encoding/xml": true,
"errors": true,
"expvar": true,
"flag": true,
"fmt": true,
"go/ast": true,
"go/build": true,
"go/doc": true,
"go/format": true,
"go/parser": true,
"go/printer": true,
"go/scanner": true,
"go/token": true,
"hash": true,
"hash/adler32": true,
"hash/crc32": true,
"hash/crc64": true,
"hash/fnv": true,
"html": true,
"html/template": true,
"image": true,
"image/color": true,
"image/draw": true,
"image/gif": true,
"image/jpeg": true,
"image/png": true,
"index/suffixarray": true,
"io": true,
"io/ioutil": true,
"log": true,
"log/syslog": true,
"math": true,
"math/big": true,
"math/cmplx": true,
"math/rand": true,
"mime": true,
"mime/multipart": true,
"net": true,
"net/http": true,
"net/http/cgi": true,
"net/http/cookiejar": true,
"net/http/fcgi": true,
"net/http/httptest": true,
"net/http/httputil": true,
"net/http/pprof": true,
"net/mail": true,
"net/rpc": true,
"net/rpc/jsonrpc": true,
"net/smtp": true,
"net/textproto": true,
"net/url": true,
"os": true,
"os/exec": true,
"os/signal": true,
"os/user": true,
"path": true,
"path/filepath": true,
"reflect": true,
"regexp": true,
"regexp/syntax": true,
"runtime": true,
"runtime/cgo": true,
"runtime/debug": true,
"runtime/pprof": true,
"runtime/race": true,
"sort": true,
"strconv": true,
"strings": true,
"sync": true,
"sync/atomic": true,
"syscall": true,
"testing": true,
"testing/iotest": true,
"testing/quick": true,
"text/scanner": true,
"text/tabwriter": true,
"text/template": true,
"text/template/parse": true,
"time": true,
"unicode": true,
"unicode/utf16": true,
"unicode/utf8": true,
"unsafe": true,
}
// IsGoRepoPath returns true if package is from standard library.
func IsGoRepoPath(importPath string) bool {
return standardPath[importPath]
}
func CheckNodeValue(v string) string {
if len(v) == 0 {
return "<UTD>"
}
return v
}