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https://github.com/golang/go
synced 2024-11-18 11:04:42 -07:00
e10d6c9a84
Printf(%q) aka strconv.AppendQuote depends on the Unicode tables du jour, which means gen_test breaks after a Go release in which Unicode evolves. This change uses a very dumb quotation function that emits only ASCII and is independent of the Go release. Perhaps an even better fix would have been to parse the generated file. Change-Id: I197942f1c36a8b53d6a37be4bb2b1e63a208f7e2 Reviewed-on: https://go-review.googlesource.com/119157 Reviewed-by: Ian Lance Taylor <iant@golang.org>
112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
// Copyright 2014 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 static
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//go:generate go run makestatic.go
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import (
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"bytes"
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"fmt"
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"go/format"
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"io/ioutil"
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"time"
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"unicode"
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)
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var files = []string{
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"analysis/call3.png",
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"analysis/call-eg.png",
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"analysis/callers1.png",
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"analysis/callers2.png",
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"analysis/chan1.png",
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"analysis/chan2a.png",
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"analysis/chan2b.png",
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"analysis/error1.png",
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"analysis/help.html",
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"analysis/ident-def.png",
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"analysis/ident-field.png",
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"analysis/ident-func.png",
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"analysis/ipcg-func.png",
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"analysis/ipcg-pkg.png",
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"analysis/typeinfo-pkg.png",
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"analysis/typeinfo-src.png",
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"callgraph.html",
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"codewalk.html",
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"codewalkdir.html",
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"dirlist.html",
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"error.html",
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"example.html",
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"godoc.html",
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"godocs.js",
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"images/minus.gif",
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"images/plus.gif",
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"images/treeview-black-line.gif",
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"images/treeview-black.gif",
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"images/treeview-default-line.gif",
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"images/treeview-default.gif",
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"images/treeview-gray-line.gif",
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"images/treeview-gray.gif",
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"implements.html",
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"jquery.js",
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"jquery.treeview.css",
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"jquery.treeview.edit.js",
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"jquery.treeview.js",
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"methodset.html",
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"opensearch.xml",
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"package.html",
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"packageroot.html",
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"package.txt",
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"play.js",
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"playground.js",
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"search.html",
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"search.txt",
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"searchcode.html",
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"searchdoc.html",
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"searchtxt.html",
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"style.css",
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}
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// Generate reads a set of files and returns a file buffer that declares
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// a map of string constants containing contents of the input files.
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func Generate() ([]byte, error) {
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buf := new(bytes.Buffer)
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fmt.Fprintf(buf, "%v\n\n%v\n\npackage static\n\n", license, warning)
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fmt.Fprintf(buf, "var Files = map[string]string{\n")
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for _, fn := range files {
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b, err := ioutil.ReadFile(fn)
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if err != nil {
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return b, err
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}
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fmt.Fprintf(buf, "\t%q: ", fn)
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appendQuote(buf, b)
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fmt.Fprintf(buf, ",\n\n")
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}
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fmt.Fprintln(buf, "}")
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return format.Source(buf.Bytes())
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}
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// appendQuote is like strconv.AppendQuote, but we avoid the latter
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// because it changes when Unicode evolves, breaking gen_test.go.
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func appendQuote(out *bytes.Buffer, data []byte) {
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out.WriteByte('"')
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for _, b := range data {
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if b == '\\' || b == '"' {
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out.WriteByte('\\')
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out.WriteByte(b)
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} else if b <= unicode.MaxASCII && unicode.IsPrint(rune(b)) && !unicode.IsSpace(rune(b)) {
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out.WriteByte(b)
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} else {
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fmt.Fprintf(out, "\\x%02x", b)
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}
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}
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out.WriteByte('"')
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}
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const warning = `// Code generated by "makestatic"; DO NOT EDIT.`
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var license = fmt.Sprintf(`// Copyright %d 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.`, time.Now().UTC().Year())
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