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use grouping instead of colors to show non-global search hits:

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- introduced a new run per file containing all spots belonging
  to the same kind (e.g. var decl, const decl, etc.)
- more comments, better index.go file organization

R=rsc
http://go/go-review/1026028
This commit is contained in:
Robert Griesemer 2009-11-08 20:17:04 -08:00
parent e8b580c9aa
commit 7837dbfcb8
4 changed files with 149 additions and 140 deletions
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49
doc/style.css
View File

@ -181,6 +181,11 @@ a.noline {
text-decoration: none;
}
a.info {
text-decoration: none;
background-color: #D8D8D8;
}
table.layout {
border-width: 0px;
border-spacing: 0px;
@ -196,50 +201,6 @@ span.highlight {
}
/* ------------------------------------------------------------------------- */
/* Styles used by infoClassFmt */
a.package {
text-decoration: none;
background-color: #FFFFFF;
}
a.import {
text-decoration: none;
background-color: #D8D8D8;
}
a.const {
text-decoration: none;
background-color: #F5A9A9;
}
a.type {
text-decoration: none;
background-color: #F2F5A9;
}
a.var {
text-decoration: none;
background-color: #A9F5A9;
}
a.func {
text-decoration: none;
background-color: #A9D0F5;
}
a.method {
text-decoration: none;
background-color: #D0A9F5;
}
a.use {
text-decoration: none;
color: #FFFFFF;
background-color: #5858FA;
}
/* ------------------------------------------------------------------------- */
/* Styles for the frontpage */

21
lib/godoc/search.html
View File

@ -24,6 +24,7 @@
{.repeated section @}
<h3>package {Pak.Name|html}</h3>
{.repeated section Files}
{.repeated section Groups}
{.repeated section Infos}
<a href="{File.Path|html}?h={Query|html}#L{@|infoLine}" class="noline">{File.Path|html}:{@|infoLine}</a>
<pre>{@|infoSnippet}</pre>
@ -31,25 +32,22 @@
{.end}
{.end}
{.end}
{.end}
{.section Others}
<h2>Local declarations and uses</h2>
<p>
Legend:
{.repeated section Legend}
<a class="{@|html}">{@|html}</a>
{.end}
</p>
{.repeated section @}
<h3>package {Pak.Name|html}</h3>
<table border="0" cellspacing="2">
{.repeated section Files}
<a href="{File.Path|html}?h={Query|html}" class="noline">{File.Path|html}</a>
<table class="layout">
{.repeated section Groups}
<tr>
<td valign="top">
<a href="{File.Path|html}?h={Query|html}" class="noline">{File.Path|html}:</a>
</td>
<td width="25"></td>
<th align="left" valign="top">{Kind|infoKind}</th>
<td align="left" width="4"></td>
<td>
{.repeated section Infos}
<a href="{File.Path|html}?h={Query|html}#L{@|infoLine}" class="{@|infoClass}">{@|infoLine}</a>
<a href="{File.Path|html}?h={Query|html}#L{@|infoLine}" class="info">{@|infoLine}</a>
{.end}
</td>
</tr>
@ -57,6 +55,7 @@
</table>
{.end}
{.end}
{.end}
{.or}
<p>
A legal query is a single identifier (such as <a href="search?q=ToLower">ToLower</a>)

30
src/cmd/godoc/godoc.go
View File

@ -595,22 +595,22 @@ func linkFmt(w io.Writer, x interface{}, format string) {
}
// The strings in infoClasses must be properly html-escaped.
var infoClasses = [nKinds]string{
"package", // PackageClause
"import", // ImportDecl
"const", // ConstDecl
"type", // TypeDecl
"var", // VarDecl
"func", // FuncDecl
"method", // MethodDecl
"use", // Use
// The strings in infoKinds must be properly html-escaped.
var infoKinds = [nKinds]string{
PackageClause: "package&nbsp;clause",
ImportDecl: "import&nbsp;decl",
ConstDecl: "const&nbsp;decl",
TypeDecl: "type&nbsp;decl",
VarDecl: "var&nbsp;decl",
FuncDecl: "func&nbsp;decl",
MethodDecl: "method&nbsp;decl",
Use: "use",
}
// Template formatter for "infoClass" format.
func infoClassFmt(w io.Writer, x interface{}, format string) {
fmt.Fprintf(w, infoClasses[x.(SpotInfo).Kind()]); // no html escaping needed
// Template formatter for "infoKind" format.
func infoKindFmt(w io.Writer, x interface{}, format string) {
fmt.Fprintf(w, infoKinds[x.(SpotKind)]); // infoKind entries are html-escaped
}
@ -661,7 +661,7 @@ var fmap = template.FormatterMap{
"html-comment": htmlCommentFmt,
"path": pathFmt,
"link": linkFmt,
"infoClass": infoClassFmt,
"infoKind": infoKindFmt,
"infoLine": infoLineFmt,
"infoSnippet": infoSnippetFmt,
"padding": paddingFmt,
@ -1071,7 +1071,6 @@ type SearchResult struct {
Hit *LookupResult;
Alt *AltWords;
Accurate bool;
Legend []string;
}
func search(c *http.Conn, r *http.Request) {
@ -1083,7 +1082,6 @@ func search(c *http.Conn, r *http.Request) {
result.Hit, result.Alt = index.(*Index).Lookup(query);
_, ts := fsTree.get();
result.Accurate = timestamp >= ts;
result.Legend = &infoClasses;
}
var buf bytes.Buffer;

169
src/cmd/godoc/index.go
View File

@ -37,7 +37,7 @@ import (
// ----------------------------------------------------------------------------
// Data structures used during indexing
// RunList
// A RunList is a vector of entries that can be sorted according to some
// criteria. A RunList may be compressed by grouping "runs" of entries
@ -83,6 +83,9 @@ func (h *RunList) reduce(less func(x, y interface{}) bool, newRun func(h *RunLis
}
// ----------------------------------------------------------------------------
// SpotInfo
// A SpotInfo value describes a particular identifier spot in a given file;
// It encodes three values: the SpotKind (declaration or use), a line or
// snippet index "lori", and whether it's a line or index.
@ -140,25 +143,80 @@ func makeSpotInfo(kind SpotKind, lori int, isIndex bool) SpotInfo {
}
func (x SpotInfo) less(y SpotInfo) bool { return x.Lori() < y.Lori() }
func (x SpotInfo) Kind() SpotKind { return SpotKind(x>>1&7) }
func (x SpotInfo) Lori() int { return int(x>>4) }
func (x SpotInfo) IsIndex() bool { return x&1 != 0 }
// A Pak describes a Go package.
type Pak struct {
Path string; // directory name containing the package
Name string; // package name as declared by package clause
// ----------------------------------------------------------------------------
// KindRun
// Debugging support. Disable to see multiple entries per line.
const removeDuplicates = true
// A KindRun is a run of SpotInfos of the same kind in a given file.
type KindRun struct {
Kind SpotKind;
Infos []SpotInfo;
}
// KindRuns are sorted by line number or index. Since the isIndex bit
// is always the same for all infos in one list we can compare lori's.
func (f *KindRun) Len() int { return len(f.Infos) }
func (f *KindRun) Less(i, j int) bool { return f.Infos[i].Lori() < f.Infos[j].Lori() }
func (f *KindRun) Swap(i, j int) { f.Infos[i], f.Infos[j] = f.Infos[j], f.Infos[i] }
// FileRun contents are sorted by Kind for the reduction into KindRuns.
func lessKind(x, y interface{}) bool { return x.(SpotInfo).Kind() < y.(SpotInfo).Kind() }
// newKindRun allocates a new KindRun from the SpotInfo run [i, j) in h.
func newKindRun(h *RunList, i, j int) interface{} {
kind := h.At(i).(SpotInfo).Kind();
infos := make([]SpotInfo, j-i);
k := 0;
for ; i < j; i++ {
infos[k] = h.At(i).(SpotInfo);
k++;
}
run := &KindRun{kind, infos};
// Spots were sorted by file and kind to create this run.
// Within this run, sort them by line number or index.
sort.Sort(run);
if removeDuplicates {
// Since both the lori and kind field must be
// same for duplicates, and since the isIndex
// bit is always the same for all infos in one
// list we can simply compare the entire info.
k := 0;
var prev SpotInfo;
for i, x := range infos {
if x != prev || i == 0 {
infos[k] = x;
k++;
prev = x;
}
}
run.Infos = infos[0:k];
}
return run;
}
// ----------------------------------------------------------------------------
// FileRun
// A Pak describes a Go package.
type Pak struct {
Path string; // path of directory containing the package
Name string; // package name as declared by package clause
}
// Paks are sorted by name (primary key) and by import path (secondary key).
func (p *Pak) less(q *Pak) bool {
return p.Name < q.Name || p.Name == q.Name && p.Path < q.Path;
@ -172,9 +230,6 @@ type File struct {
}
func (f *File) less(g *File) bool { return f.Path < g.Path }
// A Spot describes a single occurence of a word.
type Spot struct {
File *File;
@ -182,59 +237,42 @@ type Spot struct {
}
// Spots are sorted by filename.
func lessSpot(x, y interface{}) bool { return x.(Spot).File.less(y.(Spot).File) }
// A FileRun describes a run of Spots of a word in a single file.
// A FileRun is a list of KindRuns belonging to the same file.
type FileRun struct {
File *File;
Infos []SpotInfo;
Groups []*KindRun;
}
func (f *FileRun) Len() int { return len(f.Infos) }
func (f *FileRun) Less(i, j int) bool { return f.Infos[i].less(f.Infos[j]) }
func (f *FileRun) Swap(i, j int) { f.Infos[i], f.Infos[j] = f.Infos[j], f.Infos[i] }
// Spots are sorted by path for the reduction into FileRuns.
func lessSpot(x, y interface{}) bool { return x.(Spot).File.Path < y.(Spot).File.Path }
// newFileRun allocates a new *FileRun from the Spot run [i, j) in h.
func newFileRun(h *RunList, i, j int) interface{} {
file := h.At(i).(Spot).File;
infos := make([]SpotInfo, j-i);
// newFileRun allocates a new FileRun from the Spot run [i, j) in h.
func newFileRun(h0 *RunList, i, j int) interface{} {
file := h0.At(i).(Spot).File;
// reduce the list of Spots into a list of KindRuns
var h1 RunList;
h1.Vector.Init(j-i);
k := 0;
for ; i < j; i++ {
infos[k] = h.At(i).(Spot).Info;
h1.Set(k, h0.At(i).(Spot).Info);
k++;
}
run := &FileRun{file, infos};
// Spots were sorted by file to create this run.
// Within this run, sort them by line number.
sort.Sort(run);
// Remove duplicates: Both the lori and kind field
// must be the same for duplicate, and since the
// isIndex field is always the same for all infos
// in one list we can simply compare the entire
// info.
k = 0;
var prev SpotInfo;
for i, x := range infos {
if x != prev || i == 0 {
infos[k] = x;
k++;
prev = x;
h2 := h1.reduce(lessKind, newKindRun);
// create the FileRun
groups := make([]*KindRun, h2.Len());
for i := 0; i < h2.Len(); i++ {
groups[i] = h2.At(i).(*KindRun);
}
}
run.Infos = infos[0:k];
return run;
return &FileRun{file, groups};
}
// FileRuns are sorted by package.
func lessFileRun(x, y interface{}) bool {
return x.(*FileRun).File.Pak.less(&y.(*FileRun).File.Pak);
}
// ----------------------------------------------------------------------------
// PakRun
// A PakRun describes a run of *FileRuns of a package.
type PakRun struct {
@ -244,11 +282,17 @@ type PakRun struct {
// Sorting support for files within a PakRun.
func (p *PakRun) Len() int { return len(p.Files) }
func (p *PakRun) Less(i, j int) bool { return p.Files[i].File.less(p.Files[j].File) }
func (p *PakRun) Less(i, j int) bool { return p.Files[i].File.Path < p.Files[j].File.Path }
func (p *PakRun) Swap(i, j int) { p.Files[i], p.Files[j] = p.Files[j], p.Files[i] }
// newPakRun allocates a new *PakRun from the *FileRun run [i, j) in h.
// FileRuns are sorted by package for the reduction into PakRuns.
func lessFileRun(x, y interface{}) bool {
return x.(*FileRun).File.Pak.less(&y.(*FileRun).File.Pak);
}
// newPakRun allocates a new PakRun from the *FileRun run [i, j) in h.
func newPakRun(h *RunList, i, j int) interface{} {
pak := h.At(i).(*FileRun).File.Pak;
files := make([]*FileRun, j-i);
@ -263,14 +307,17 @@ func newPakRun(h *RunList, i, j int) interface{} {
}
// PakRuns are sorted by package.
func lessPakRun(x, y interface{}) bool { return x.(*PakRun).Pak.less(&y.(*PakRun).Pak) }
// ----------------------------------------------------------------------------
// HitList
// A HitList describes a list of PakRuns.
type HitList []*PakRun
// PakRuns are sorted by package.
func lessPakRun(x, y interface{}) bool { return x.(*PakRun).Pak.less(&y.(*PakRun).Pak) }
func reduce(h0 *RunList) HitList {
// reduce a list of Spots into a list of FileRuns
h1 := h0.reduce(lessSpot, newFileRun);
@ -308,6 +355,9 @@ func (h HitList) filter(pakname string) HitList {
}
// ----------------------------------------------------------------------------
// AltWords
type wordPair struct {
canon string; // canonical word spelling (all lowercase)
alt string; // alternative spelling
@ -322,10 +372,11 @@ type AltWords struct {
}
// wordPairs are sorted by their canonical spelling.
func lessWordPair(x, y interface{}) bool { return x.(*wordPair).canon < y.(*wordPair).canon }
// newAltWords allocates a new *AltWords from the *wordPair run [i, j) in h.
// newAltWords allocates a new AltWords from the *wordPair run [i, j) in h.
func newAltWords(h *RunList, i, j int) interface{} {
canon := h.At(i).(*wordPair).canon;
alts := make([]string, j-i);