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Factored out boilerplate from all html docs in doc directory:

Browse Source 
- the first HTML comment in those files is extracted as page
  title when serving them
- lib/godoc.html is top-level template for all pages served
- experimented a bit with package documentation layout
  (feedback welcome)
- various related cleanups

TODO:
- The / page (doc/root.html) content repeats links that are
  in the navigation bar. It needs to be cleaned up.

R=rsc
DELTA=826  (86 added, 692 deleted, 48 changed)
OCL=35230
CL=35245
This commit is contained in:
Robert Griesemer 2009-10-01 14:08:00 -07:00
parent 57f834aeff
commit 53440da835
11 changed files with 107 additions and 409 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
doc/effective_go.html
View File

@ -1,64 +1,7 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/transitional.dtd">
<html>
<head>
<!-- Effective Go -->
<!-- interfaces; slices; embedding; value vs. pointer receivers; methods on anything; errors; testing -->
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Effective Go</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="godocs.js"></script>
<style type="text/css">
pre.bad {
background-color: #ffeeee;
}
</style>
</head>
<body> <!-- onload="prettyPrint()" will color the programs -->
<div id="topnav">
<table summary=""><tr>
<td id="headerImage">
<a href="./"><img src="./logo_blue.png" height="44" width="120" alt="Go Home Page" style="border:0" /></a>
</td>
<td id="headerDocSetTitle">The Go Programming Language</td>
</tr>
</table>
</div>
<div id="linkList" style="clear:both">
<ul>
<li class="navhead">Related Guides</li>
<li><a href="go_spec.html">Language Specification</a></li>
<li><a href="go_mem.html">Memory Model</a></li>
<li><a href="go_tutorial.html">Tutorial</a></li>
<li><a href="effective_go.html">Effective Go</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Other Resources</li>
<li><a href="go_faq.html">FAQ</a></li>
<li><a href="go_lang_faq.html">Language Design FAQ</a></li>
<li><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Home</li>
<li><a href="/">Go documentation home</a></li>
</ul>
</div>
<div id="content">
<h1 id="effective_go">Effective Go</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<h2 id="introduction">Introduction</h2>
<p>
@ -187,7 +130,7 @@ x&lt;&lt;8 + y&lt;&lt;16
<h2>Commentary</h2>
<p>
Go provides C-style <code>/* */</code> block comments
Go provides C-style <code>/* */</code> block comments
and C++-style <code>//</code> line comments.
Line comments are the norm;
block comments appear mostly as package comments and
@ -752,7 +695,7 @@ The return or result "parameters" of a Go function can be given names and
used as regular variables, just like the incoming parameters.
When named, they are initialized to the zero for their type when
the function begins; if the function executes a <code>return</code> statement
with no arguments, the current values of the result parameters are
with no arguments, the current values of the result parameters are
used as the returned values.
</p>
@ -938,7 +881,7 @@ must be initialized before use.
A slice, for example, is a three-item descriptor
containing a pointer to the data (inside an array), the length, and the
capacity; until those items are initialized, the slice is <code>nil</code>.
For slices, maps, and channels,
For slices, maps, and channels,
<code>make</code> initializes the internal data structure and prepares
the value for use.
For instance,
@ -1066,7 +1009,7 @@ header, body, checksum := buf[0:20], buf[20:n-4], buf[n-4:n];
Especially in libraries, functions tend to have multiple error modes.
Instead of returning a boolean to signal success,
return an <code>os.Error</code> that describes the failure.
Even if there is only one failure mode now,
Even if there is only one failure mode now,
there may be more later.
</p>
@ -1255,9 +1198,9 @@ This data-driven style dominates in the Go package tests.
<p>
The <code>reflect.DeepEqual</code> function tests
whether two complex data structures have equal values.
If a function returns a complex data structure,
If a function returns a complex data structure,
<code>reflect.DeepEqual</code> combined with table-driven testing
makes it easy to check that the return value is
makes it easy to check that the return value is
exactly as expected.
</p>
@ -1337,7 +1280,3 @@ lets readers concentrate on big ones.
</p>
-->
</div>
</body>
</html>

73
doc/go_for_cpp_programmers.html
View File

@ -1,59 +1,4 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/transitional.dtd">
<html>
<head>
<!--
To convert <h2>Foo</h2> into <h2 id="Foo">Foo</h2>
and convert §Foo into §<a href="#Foo">Foo</a>:
Edit ,s/<(h.)>(.*)(<\/h.>)/<\1 id="\2">\2\3/g
Edit ,x g/id="/ x/id="[^"]+"/ s/ /_/g
Edit ,s/§([^),.]+)/§<a href="#\1">\1<\/a>/g
Edit ,x/href="#[^"]+"/ s/ /_/g
-->
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Go For C++ Programmers</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="godocs.js"></script>
</head>
<body>
<div id="topnav">
<table summary=""><tr>
<td id="headerImage">
<a href="./"><img src="./logo_blue.png" height="44" width="120" alt="Go Home Page" style="border:0" /></a>
</td>
<td id="headerDocSetTitle">The Go Programming Language</td>
</tr>
</table>
</div>
<div id="linkList">
<ul>
<li class="navhead">Related Guides</li>
<li><a href="go_spec.html">Language Specification</a></li>
<li><a href="go_mem.html">Memory Model</a></li>
<li><a href="go_tutorial.html">Tutorial</a></li>
<li><a href="effective_go.html">Effective Go</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Other Resources</li>
<li><a href="go_faq.html">FAQ</a></li>
<li><a href="go_lang_faq.html">Language Design FAQ</a></li>
<li><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Home</li>
<li><a href="/">Go documentation home</a></li>
</ul>
</div>
<div id="content">
<h1 id="The_Go_Programming_Language_Specification">Go For C++ Programmers</h1>
<!-- Go For C++ Programmers -->
<p>
Go is a systems programming language intended as an alternative to C++.
@ -72,11 +17,6 @@ For a detailed description of the Go language, see the
<p>
There is more <a href="./">documentation about go</a>.
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<h2 id="Conceptual_Differences">Conceptual Differences</h2>
<ul>
@ -666,14 +606,3 @@ func f4(ch &lt;- chan cmd2) int {
return &lt;- my_ch;
}
</pre>
</div>
<div id="footer">
<p>Except as noted, this content is
licensed under <a href="http://creativecommons.org/licenses/by/3.0/">
Creative Commons Attribution 3.0</a>.
</div>
</body>
</html>

64
doc/go_lang_faq.html
View File

@ -1,54 +1,4 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>The Go Programming Language Design FAQ</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="godocs.js"></script>
</head>
<body>
<div id="topnav">
<table summary=""><tr>
<td id="headerImage">
<a href="./"><img src="./logo_blue.png" height="44" width="120" alt="Go Home Page" style="border:0" /></a>
</td>
<td id="headerDocSetTitle">The Go Programming Language</td>
</tr>
</table>
</div>
<div id="linkList">
<ul>
<li class="navhead">Related Guides</li>
<li><a href="go_spec.html">Language Specification</a></li>
<li><a href="go_mem.html">Memory Model</a></li>
<li><a href="go_tutorial.html">Tutorial</a></li>
<li><a href="effective_go.html">Effective Go</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Other Resources</li>
<li><a href="go_faq.html">FAQ</a></li>
<li><a href="go_lang_faq.html">Language Design FAQ</a></li>
<li><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Home</li>
<li><a href="/">Go documentation home</a></li>
</ul>
</div>
<div id="content">
<h1 id="The_Go_Programming_Language_Design_FAQ">The Go Programming Language Design FAQ</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<!-- The Go Programming Language Design FAQ -->
<h2 id="origins">Origins</h2>
@ -416,15 +366,3 @@ why no automatic numeric conversions?
make vs new
</pre>
</div>
<div id="footer">
<p>Except as noted, this content is
licensed under <a href="http://creativecommons.org/licenses/by/3.0/">
Creative Commons Attribution 3.0</a>.
</div>
</body>
</html>

62
doc/go_mem.html
View File

@ -1,64 +1,4 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/transitional.dtd">
<html>
<head>
<!--
To convert <h2>Foo</h2> into <h2 id="Foo">Foo</h2>
and convert §Foo into §<a href="#Foo">Foo</a>:
Edit ,s/<(h.)>(.*)(<\/h.>)/<\1 id="\2">\2\3/g
Edit ,x g/id="/ x/id="[^"]+"/ s/ /_/g
Edit ,s/§([^),.]+)/§<a href="#\1">\1<\/a>/g
Edit ,x/href="#[^"]+"/ s/ /_/g
-->
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>The Go Memory Model</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="godocs.js"></script>
</head>
<body>
<div id="topnav">
<table summary=""><tr>
<td id="headerImage">
<a href="./"><img src="./logo_blue.png" height="44" width="120" alt="Go Home Page" style="border:0" /></a>
</td>
<td id="headerDocSetTitle">The Go Programming Language</td>
</tr>
</table>
</div>
<div id="linkList">
<ul>
<li class="navhead">Related Guides</li>
<li><a href="go_spec.html">Language Specification</a></li>
<li><a href="go_mem.html">Memory Model</a></li>
<li><a href="go_tutorial.html">Tutorial</a></li>
<li><a href="effective_go.html">Effective Go</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Other Resources</li>
<li><a href="go_faq.html">FAQ</a></li>
<li><a href="go_lang_faq.html">Language Design FAQ</a></li>
<li><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Home</li>
<li><a href="/">Go documentation home</a></li>
</ul>
</div>
<div id="content">
<h1 id="The_Go_Programming_Language_Specification">The Go Memory Model</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<!-- The Go Memory Model -->
<h2>Introduction</h2>

73
doc/go_spec.html
View File

@ -1,64 +1,4 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/transitional.dtd">
<html>
<head>
<!--
To convert <h2>Foo</h2> into <h2 id="Foo">Foo</h2>
and convert §Foo into §<a href="#Foo">Foo</a>:
Edit ,s/<(h.)>(.*)(<\/h.>)/<\1 id="\2">\2\3/g
Edit ,x g/id="/ x/id="[^"]+"/ s/ /_/g
Edit ,s/§([^),.]+)/§<a href="#\1">\1<\/a>/g
Edit ,x/href="#[^"]+"/ s/ /_/g
-->
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>The Go Programming Language Specification</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="godocs.js"></script>
</head>
<body>
<div id="topnav">
<table summary=""><tr>
<td id="headerImage">
<a href="./"><img src="./logo_blue.png" height="44" width="120" alt="Go Home Page" style="border:0" /></a>
</td>
<td id="headerDocSetTitle">The Go Programming Language</td>
</tr>
</table>
</div>
<div id="linkList" style="clear:both">
<ul>
<li class="navhead">Related Guides</li>
<li><a href="go_spec.html">Language Specification</a></li>
<li><a href="go_mem.html">Memory Model</a></li>
<li><a href="go_tutorial.html">Tutorial</a></li>
<li><a href="effective_go.html">Effective Go</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Other Resources</li>
<li><a href="go_faq.html">FAQ</a></li>
<li><a href="go_lang_faq.html">Language Design FAQ</a></li>
<li><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></li>
<li class="blank">&nbsp;</li>
<li class="navhead">Home</li>
<li><a href="/">Go documentation home</a></li>
</ul>
</div>
<div id="content">
<h1 id="The_Go_Programming_Language_Specification">The Go Programming Language Specification</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<!-- The Go Programming Language Specification -->
<!--
Todo
@ -4613,14 +4553,3 @@ The following minimal alignment properties are guaranteed:
<li><font color=red>Gccgo does not implement the blank identifier.</font></li>
<li><font color=red>Method expressions are not implemented.</font></li>
</ul>
</div>
<div id="footer">
<p>Except as noted, this content is
licensed under <a href="http://creativecommons.org/licenses/by/3.0/">
Creative Commons Attribution 3.0</a>.
</div>
</body>
</html>

7
doc/go_tutorial.head
View File

@ -1,8 +1,3 @@
<div id="content">
<h1 id="Lets_Go">Let's Go</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<!-- Let's Go -->
<h2>Introduction</h2>

12
doc/go_tutorial.html
View File

@ -1,8 +1,4 @@
<h1 id="Lets_Go">Let's Go</h1>
<!-- The Table of Contents is automatically inserted in this <div>.
Do not delete this <div>. -->
<div id="nav"></div>
<!-- Let's Go -->
<h2>Introduction</h2>
<p>
@ -602,7 +598,7 @@ Finally we can run the program:
% helloworld3
hello, world
can't open file; err=No such file or directory
%
%
</pre>
<h2>Rotting cats</h2>
@ -770,7 +766,7 @@ Here it is in action:
abcdefghijklmnopqrstuvwxyz
% echo abcdefghijklmnopqrstuvwxyz | ./cat --rot13
nopqrstuvwxyzabcdefghijklm
%
%
</pre>
<p>
Fans of dependency injection may take cheer from how easily interfaces
@ -1354,5 +1350,3 @@ at the end of main:
There's a lot more to Go programming and concurrent programming in general but this
quick tour should give you some of the basics.
</table>
</body>
</html>

14
lib/godoc/package.html
View File

@ -4,14 +4,8 @@
license that can be found in the LICENSE file.
-->
{.section Dirs}
<h2>Subdirectories</h2>
{.repeated section @}
<a href="{Name|html}">{Name|html}</a><br />
{.end}
{.end}
{.section PDoc}
<h1>package {PackageName|html}</h1>
<!-- PackageName is printed as title by the top-level template -->
<p><code>import "{ImportPath|html}"</code></p>
{Doc|html-comment}
{.section Filenames}
@ -77,3 +71,9 @@
{.end}
{.end}
{.end}
{.section Dirs}
<h2>Subdirectories</h2>
{.repeated section @}
<a href="{Name|html}">{Name|html}</a><br />
{.end}
{.end}

15
lib/godoc/package.txt
View File

@ -1,10 +1,3 @@
{.section Dirs}
SUBDIRECTORIES
{.repeated section @}
{Name}
{.end}
{.end}
{.section PDoc}
PACKAGE
@ -75,3 +68,11 @@ BUGS
{.end}
{.end}
{.end}
{.section Dirs}
SUBDIRECTORIES
{.repeated section @}
{Name}
{.end}
{.end}

4
lib/godoc/parseerror.html
View File

@ -4,7 +4,7 @@
license that can be found in the LICENSE file.
-->
<h1>Parse errors in {filename}</h1>
<pre>
{.repeated section list}
{src}{.section msg}<b><font color=red>«{msg|html}»</font></b>{.end}{.end}</pre>
{src}{.section msg}<b><font color=red>«{msg|html}»</font></b>{.end}{.end}
</pre>

117
src/cmd/godoc/godoc.go
View File

@ -50,10 +50,7 @@ import (
)
const (
Pkg = "/pkg/"; // name for auto-generated package documentation tree
Spec = "/doc/go_spec.html";
)
const Pkg = "/pkg/"; // name for auto-generated package documentation tree
type delayTime struct {
@ -186,7 +183,7 @@ type parseErrors struct {
func parse(path string, mode uint) (*ast.File, *parseErrors) {
src, err := io.ReadFile(path);
if err != nil {
log.Stderrf("ReadFile %s: %v", path, err);
log.Stderrf("%v", err);
errs := []parseError{parseError{nil, 0, err.String()}};
return nil, &parseErrors{path, errs, nil};
}
@ -349,16 +346,16 @@ func readTemplates() {
func servePage(c *http.Conn, title, content interface{}) {
type Data struct {
title interface{};
header interface{};
timestamp string;
content interface{};
}
var d Data;
d.title = title;
d.header = title;
d.timestamp = time.SecondsToLocalTime(syncTime.get()).String();
d.content = content;
d := Data{
title: title,
timestamp: time.SecondsToLocalTime(syncTime.get()).String(),
content: content,
};
if err := godocHtml.Execute(&d, c); err != nil {
log.Stderrf("godocHtml.Execute: %s", err);
}
@ -374,18 +371,57 @@ func serveText(c *http.Conn, text []byte) {
// ----------------------------------------------------------------------------
// Files
var (
tagBegin = strings.Bytes("<!--");
tagEnd = strings.Bytes("-->");
)
// commentText returns the text of the first HTML comment in src.
func commentText(src []byte) (text string) {
i := bytes.Index(src, tagBegin);
j := bytes.Index(src, tagEnd);
if i >= 0 && j >= i+len(tagBegin) {
text = string(bytes.TrimSpace(src[i+len(tagBegin) : j]));
}
return;
}
func serveHtmlDoc(c *http.Conn, r *http.Request, filename string) {
// get HTML body contents
path := pathutil.Join(goroot, filename);
src, err := io.ReadFile(path);
if err != nil {
log.Stderrf("%v", err);
http.NotFound(c, r);
return;
}
// if it's the language spec, add tags to EBNF productions
if strings.HasSuffix(path, "go_spec.html") {
var buf bytes.Buffer;
linkify(&buf, src);
src = buf.Bytes();
}
title := commentText(src);
servePage(c, title, src);
}
func serveParseErrors(c *http.Conn, errors *parseErrors) {
// format errors
var buf bytes.Buffer;
if err := parseerrorHtml.Execute(errors, &buf); err != nil {
log.Stderrf("parseerrorHtml.Execute: %s", err);
}
servePage(c, errors.filename + " - Parse Errors", buf.Bytes());
servePage(c, "Parse errors in source file " + errors.filename, buf.Bytes());
}
func serveGoSource(c *http.Conn, name string) {
prog, errors := parse(name, parser.ParseComments);
func serveGoSource(c *http.Conn, filename string) {
path := pathutil.Join(goroot, filename);
prog, errors := parse(path, parser.ParseComments);
if errors != nil {
serveParseErrors(c, errors);
return;
@ -396,43 +432,35 @@ func serveGoSource(c *http.Conn, name string) {
writeNode(&buf, prog, true);
fmt.Fprintln(&buf, "</pre>");
servePage(c, name + " - Go source", buf.Bytes());
}
func serveGoSpec(c *http.Conn, r *http.Request) {
src, err := io.ReadFile(pathutil.Join(goroot, Spec));
if err != nil {
http.NotFound(c, r);
return;
}
linkify(c, src);
servePage(c, "Source file " + filename, buf.Bytes());
}
var fileServer = http.FileServer(".", "");
func serveFile(c *http.Conn, req *http.Request) {
func serveFile(c *http.Conn, r *http.Request) {
path := r.Url.Path;
// pick off special cases and hand the rest to the standard file server
switch {
case req.Url.Path == "/":
// serve landing page.
// TODO: hide page from ordinary file serving.
// writing doc/index.html will take care of that.
http.ServeFile(c, req, "doc/root.html");
switch ext := pathutil.Ext(path); {
case path == "/":
serveHtmlDoc(c, r, "doc/root.html");
case req.Url.Path == "/doc/root.html":
case r.Url.Path == "/doc/root.html":
// hide landing page from its real name
// TODO why - there is no reason for this (remove eventually)
http.NotFound(c, req);
http.NotFound(c, r);
case pathutil.Ext(req.Url.Path) == ".go":
serveGoSource(c, req.Url.Path[1 : len(req.Url.Path)]); // strip leading '/' from name
case ext == ".html":
serveHtmlDoc(c, r, path);
case ext == ".go":
serveGoSource(c, path);
default:
// TODO not good enough - don't want to download files
// want to see them
fileServer.ServeHTTP(c, req);
// TODO:
// - need to decide what to serve and what not to serve
// - don't want to download files, want to see them
fileServer.ServeHTTP(c, r);
}
}
@ -496,6 +524,7 @@ func getPageInfo(path string) PageInfo {
// get package AST
pkg, err := parser.ParsePackage(dirname, filter, parser.ParseComments);
if err != nil {
// TODO: parse errors should be shown instead of an empty directory
log.Stderr(err);
}
@ -548,7 +577,12 @@ func servePkg(c *http.Conn, r *http.Request) {
if path == "" {
path = "."; // don't display an empty path
}
servePage(c, path + " - Go package documentation", buf.Bytes());
title := "Directory " + path;
if info.PDoc != nil {
title = "Package " + info.PDoc.PackageName;
}
servePage(c, title, buf.Bytes());
}
@ -665,7 +699,6 @@ func main() {
handler = loggingHandler(handler);
}
http.Handle(Spec, http.HandlerFunc(serveGoSpec));
http.Handle(Pkg, http.HandlerFunc(servePkg));
if *syncCmd != "" {
http.Handle("/debug/sync", http.HandlerFunc(dosync));