go webhtml 源码
golang webhtml 代码
文件路径：/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go
// Copyright 2017 Google Inc. All Rights Reserved.
//
// 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 driver
import (
"embed"
"fmt"
"html/template"
"os"
"github.com/google/pprof/third_party/d3flamegraph"
)
//go:embed html
var embeddedFiles embed.FS
// addTemplates adds a set of template definitions to templates.
func addTemplates(templates *template.Template) {
// Load specified file.
loadFile := func(fname string) string {
data, err := embeddedFiles.ReadFile(fname)
if err != nil {
fmt.Fprintf(os.Stderr, "internal/driver: embedded file %q not found\n",
fname)
os.Exit(1)
}
return string(data)
}
loadCSS := func(fname string) string {
return `<style type="text/css">` + "\n" + loadFile(fname) + `</style>` + "\n"
}
loadJS := func(fname string) string {
return `<script>` + "\n" + loadFile(fname) + `</script>` + "\n"
}
// Define a named template with specified contents.
def := func(name, contents string) {
sub := template.New(name)
template.Must(sub.Parse(contents))
template.Must(templates.AddParseTree(name, sub.Tree))
}
// Pre-packaged third-party files.
def("d3flamegraphscript", d3flamegraph.JSSource)
def("d3flamegraphcss", d3flamegraph.CSSSource)
// Embeded files.
def("css", loadCSS("html/common.css"))
def("header", loadFile("html/header.html"))
def("graph", loadFile("html/graph.html"))
def("script", loadJS("html/common.js"))
def("top", loadFile("html/top.html"))
def("sourcelisting", loadFile("html/source.html"))
def("plaintext", loadFile("html/plaintext.html"))
def("flamegraph", loadFile("html/flamegraph.html"))
}
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