wide/output/outputs.go

122 lines
3.2 KiB
Go

// Copyright (c) 2014-2018, b3log.org & hacpai.com
//
// 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
//
// https://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 output includes build, run and go tool related manipulations.
package output
import (
"net/http"
"os"
"os/exec"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
"github.com/b3log/wide/conf"
"github.com/b3log/wide/log"
"github.com/b3log/wide/session"
"github.com/b3log/wide/util"
"github.com/gorilla/websocket"
)
const (
lintSeverityError = "error" // lint severity: error
lintSeverityWarn = "warning" // lint severity: warning
)
// Logger.
var logger = log.NewLogger(os.Stdout)
// Lint represents a code lint.
type Lint struct {
File string `json:"file"`
LineNo int `json:"lineNo"`
Severity string `json:"severity"`
Msg string `json:"msg"`
}
// WSHandler handles request of creating output channel.
func WSHandler(w http.ResponseWriter, r *http.Request) {
sid := r.URL.Query()["sid"][0]
conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-output"}
err := wsChan.WriteJSON(&ret)
if nil != err {
return
}
session.OutputWS[sid] = &wsChan
logger.Tracef("Open a new [Output] with session [%s], %d", sid, len(session.OutputWS))
}
// parsePath parses file path in the specified outputLine, and returns new line with front-end friendly.
func parsePath(curDir, outputLine string) string {
index := strings.Index(outputLine, " ")
if -1 == index || index >= len(outputLine) {
return outputLine
}
pathPart := outputLine[:index]
msgPart := outputLine[index:]
parts := strings.Split(pathPart, ":")
if len(parts) < 2 { // no file path info (line & column) found
return outputLine
}
file := parts[0]
line := parts[1]
if _, err := strconv.Atoi(line); nil != err {
return outputLine
}
column := "0"
hasColumn := 4 == len(parts)
if hasColumn {
column = parts[2]
}
tagStart := `<span class="path" data-path="` + filepath.ToSlash(filepath.Join(curDir, file)) + `" data-line="` + line +
`" data-column="` + column + `">`
text := file + ":" + line
if hasColumn {
text += ":" + column
}
tagEnd := "</span>:"
return tagStart + text + tagEnd + msgPart
}
func setCmdEnv(cmd *exec.Cmd, username string) {
userWorkspace := conf.GetUserWorkspace(username)
cmd.Env = append(cmd.Env,
"GOPATH="+userWorkspace,
"GOOS="+runtime.GOOS,
"GOARCH="+runtime.GOARCH,
"GOROOT="+runtime.GOROOT(),
"PATH="+os.Getenv("PATH"))
if util.OS.IsWindows() {
// FIXME: for some weird issues on Windows, such as: The requested service provider could not be loaded or initialized.
cmd.Env = append(cmd.Env, os.Environ()...)
}
}