Add generated file
This PR adds generated files under pkg/client and vendor folder.
This commit is contained in:
xing-yang
284
vendor/golang.org/x/tools/cmd/cover/html.go
generated
vendored
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284
vendor/golang.org/x/tools/cmd/cover/html.go
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vendored
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@@ -0,0 +1,284 @@
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"html/template"
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"io"
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"io/ioutil"
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"math"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"golang.org/x/tools/cover"
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)
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// htmlOutput reads the profile data from profile and generates an HTML
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// coverage report, writing it to outfile. If outfile is empty,
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// it writes the report to a temporary file and opens it in a web browser.
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func htmlOutput(profile, outfile string) error {
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profiles, err := cover.ParseProfiles(profile)
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if err != nil {
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return err
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}
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var d templateData
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for _, profile := range profiles {
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fn := profile.FileName
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if profile.Mode == "set" {
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d.Set = true
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}
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file, err := findFile(fn)
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if err != nil {
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return err
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}
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src, err := ioutil.ReadFile(file)
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if err != nil {
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return fmt.Errorf("can't read %q: %v", fn, err)
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}
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var buf bytes.Buffer
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err = htmlGen(&buf, src, profile.Boundaries(src))
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if err != nil {
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return err
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}
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d.Files = append(d.Files, &templateFile{
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Name: fn,
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Body: template.HTML(buf.String()),
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Coverage: percentCovered(profile),
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})
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}
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var out *os.File
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if outfile == "" {
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var dir string
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dir, err = ioutil.TempDir("", "cover")
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if err != nil {
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return err
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}
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out, err = os.Create(filepath.Join(dir, "coverage.html"))
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} else {
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out, err = os.Create(outfile)
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}
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if err != nil {
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return err
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}
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err = htmlTemplate.Execute(out, d)
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if err == nil {
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err = out.Close()
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}
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if err != nil {
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return err
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}
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if outfile == "" {
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if !startBrowser("file://" + out.Name()) {
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fmt.Fprintf(os.Stderr, "HTML output written to %s\n", out.Name())
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}
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}
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return nil
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}
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// percentCovered returns, as a percentage, the fraction of the statements in
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// the profile covered by the test run.
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// In effect, it reports the coverage of a given source file.
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func percentCovered(p *cover.Profile) float64 {
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var total, covered int64
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for _, b := range p.Blocks {
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total += int64(b.NumStmt)
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if b.Count > 0 {
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covered += int64(b.NumStmt)
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}
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}
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if total == 0 {
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return 0
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}
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return float64(covered) / float64(total) * 100
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}
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// htmlGen generates an HTML coverage report with the provided filename,
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// source code, and tokens, and writes it to the given Writer.
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func htmlGen(w io.Writer, src []byte, boundaries []cover.Boundary) error {
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dst := bufio.NewWriter(w)
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for i := range src {
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for len(boundaries) > 0 && boundaries[0].Offset == i {
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b := boundaries[0]
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if b.Start {
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n := 0
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if b.Count > 0 {
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n = int(math.Floor(b.Norm*9)) + 1
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}
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fmt.Fprintf(dst, `<span class="cov%v" title="%v">`, n, b.Count)
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} else {
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dst.WriteString("</span>")
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}
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boundaries = boundaries[1:]
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}
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switch b := src[i]; b {
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case '>':
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dst.WriteString(">")
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case '<':
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dst.WriteString("<")
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case '&':
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dst.WriteString("&")
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case '\t':
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dst.WriteString(" ")
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default:
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dst.WriteByte(b)
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}
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}
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return dst.Flush()
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}
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// startBrowser tries to open the URL in a browser
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// and reports whether it succeeds.
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func startBrowser(url string) bool {
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// try to start the browser
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var args []string
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switch runtime.GOOS {
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case "darwin":
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args = []string{"open"}
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case "windows":
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args = []string{"cmd", "/c", "start"}
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default:
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args = []string{"xdg-open"}
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}
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cmd := exec.Command(args[0], append(args[1:], url)...)
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return cmd.Start() == nil
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}
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// rgb returns an rgb value for the specified coverage value
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// between 0 (no coverage) and 10 (max coverage).
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func rgb(n int) string {
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if n == 0 {
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return "rgb(192, 0, 0)" // Red
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}
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// Gradient from gray to green.
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r := 128 - 12*(n-1)
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g := 128 + 12*(n-1)
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b := 128 + 3*(n-1)
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return fmt.Sprintf("rgb(%v, %v, %v)", r, g, b)
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}
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// colors generates the CSS rules for coverage colors.
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func colors() template.CSS {
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var buf bytes.Buffer
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for i := 0; i < 11; i++ {
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fmt.Fprintf(&buf, ".cov%v { color: %v }\n", i, rgb(i))
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}
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return template.CSS(buf.String())
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}
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var htmlTemplate = template.Must(template.New("html").Funcs(template.FuncMap{
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"colors": colors,
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}).Parse(tmplHTML))
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type templateData struct {
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Files []*templateFile
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Set bool
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}
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type templateFile struct {
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Name string
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Body template.HTML
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Coverage float64
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}
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const tmplHTML = `
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<style>
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body {
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background: black;
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color: rgb(80, 80, 80);
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}
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body, pre, #legend span {
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font-family: Menlo, monospace;
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font-weight: bold;
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}
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#topbar {
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background: black;
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position: fixed;
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top: 0; left: 0; right: 0;
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height: 42px;
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border-bottom: 1px solid rgb(80, 80, 80);
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}
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#content {
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margin-top: 50px;
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}
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#nav, #legend {
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float: left;
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margin-left: 10px;
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}
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#legend {
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margin-top: 12px;
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}
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#nav {
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margin-top: 10px;
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}
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#legend span {
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margin: 0 5px;
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}
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{{colors}}
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</style>
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</head>
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<body>
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<div id="topbar">
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<div id="nav">
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<select id="files">
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{{range $i, $f := .Files}}
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<option value="file{{$i}}">{{$f.Name}} ({{printf "%.1f" $f.Coverage}}%)</option>
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{{end}}
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</select>
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</div>
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<div id="legend">
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<span>not tracked</span>
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{{if .Set}}
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<span class="cov0">not covered</span>
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<span class="cov8">covered</span>
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{{else}}
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<span class="cov0">no coverage</span>
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<span class="cov1">low coverage</span>
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<span class="cov2">*</span>
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<span class="cov3">*</span>
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<span class="cov4">*</span>
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<span class="cov5">*</span>
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<span class="cov6">*</span>
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<span class="cov7">*</span>
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<span class="cov8">*</span>
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<span class="cov9">*</span>
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<span class="cov10">high coverage</span>
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{{end}}
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</div>
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</div>
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<div id="content">
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{{range $i, $f := .Files}}
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<pre class="file" id="file{{$i}}" {{if $i}}style="display: none"{{end}}>{{$f.Body}}</pre>
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{{end}}
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</div>
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</body>
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<script>
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(function() {
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var files = document.getElementById('files');
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var visible = document.getElementById('file0');
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files.addEventListener('change', onChange, false);
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function onChange() {
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visible.style.display = 'none';
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visible = document.getElementById(files.value);
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visible.style.display = 'block';
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window.scrollTo(0, 0);
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}
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})();
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</script>
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</html>
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`
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