-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathModule.Brackets.htm
208 lines (194 loc) · 6.03 KB
/
Module.Brackets.htm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
<!DOCTYPE HTML>
<html>
<head>
<title>Symboles opposés</title>
<link rel="stylesheet" type="text/css" href="src/css/styles.css">
<link rel="stylesheet" type="text/css" href="src/css/syntaxes.css">
<style>
.editor {
width:100%;
height:400px;
}
#eResult1 {
border: 1px solid #000;
}
</style>
</head>
<body spellcheck="false">
<a href="./index.htm">index</a>
<h1>Symboles opposés</h1>
<div><h2>Objectif</h2>
<p>Coloré les paires de symbole pour mieux visualiser les bloques.</p>
</div>
<div><h2>Diagramme</h2>
<img src="diagram/Class.Brackets.gif">
</div>
<div><h2>Aperçu</h2>
<textarea id="eSource" wrap="off" style="width:45%; height:400px; display:none;"></textarea>
<div id="eContents"><!--Editor.addModule('Brackets',(function(){
Events.add(
Editor.prototype, 'documentinit', function( D ){
D.oBrackets = new Editor.Modules.Brackets(D)
}
)
var Pair ={
n: null,
sStarts: '{[(',
sEnds: '}])'
}
var B =function( D ){
var B=this
this.oDocument = D
Events.preventSelection( true, this.eStart = Tag('DIV',{className:'bracket'}))
Events.preventSelection( true, this.eEnd = Tag('DIV',{className:'bracket'}))
Events.add(
D, 'layout', CallBack( this, 'search' ), // BOURIN : cas suppression avec la touche SUPPR
D.oCaret, 'change', CallBack( this, 'search' )
)
}
B.prototype={
reset :function(){
var e=this.oDocument.eTZC
if( this.eStart.parentNode ) e.removeChild( this.eStart )
if( this.eEnd.parentNode ) e.removeChild( this.eEnd )
this.nStart = this.nEnd = null
},
highlight :function( n1, n2 ){ // highlight position n1 and n2
if( this.nStart==n1 && this.nEnd==n2 ) return ;
this.nStart = n1
this.nEnd = n2
var D=this.oDocument, S=D.oSelection, T=D.oSource
, P=D.oPositions, Ch=D.oCharacter
, b = S && S.exist()
, f =function( e, o ){
if( ! o.viewLine ) return ;
e.innerHTML = T.charAt( o.index )
D.eTZC.appendChild( e )
e.className = 'bracket'
var oStyle = e.style
oStyle.left = D.Padding.get('left')+(o.col-1)*Ch.nWidth +'px'
oStyle.top = (o.viewLine-1)*Ch.nHeight+1 +'px'
oStyle.height = Ch.nHeight-1 +'px'
oStyle.lineHeight = Ch.nHeight-2 +'px'
oStyle.width = Ch.nWidth +'px'
if( b ) Tag.className( e, 'bracketSelection', 'add' )
}
f( this.eStart, P.getFromIndex( n1 ))
f( this.eEnd, P.getFromIndex( n2 ))
},
getIndexes :function( sBracket1, sBracket2 ){ // Search all position of current brackets ( OPTIMIZATION )
var s = this.oDocument.oSource.getValue()
for( var aStart=[], n=0; n!=-1; n++ ){
n = s.indexOf( sBracket1, n )
if( n!=-1 ) aStart.push( n )
else break
}
for( var aEnd=[], n=0; n!=-1; n++ ){
n = s.indexOf( sBracket2, n )
if( n!=-1 ) aEnd.push( n )
else break
}
return Array.merge( aStart, aEnd ).sort( function( n1, n2 ){ return n1<n2 ? -1 : ( n1==n2 ? 0 : 1 )})
},
search :function(){ // Search if character at n is a bracket, if true highlight matched brackets
var n = this.oDocument.oCaret.position.index
this.reset()
var sContents = this.oDocument.oSource.getValue()
var re = /\s+/
var Bracket =function( sType ){
return {
sChar : Pair[ 's'+sType+'s' ].charAt( Pair.n ),
isAt :function( n ){ // Test if the bracket is at the position n, the character \ must not be before
var sChar = sContents.charAt( n )
if( sChar==this.sChar )
return n==0 ? true : sContents.charAt( n-1 )!='\\'
return false
}
}
}
// Search in the current position n
var s = sContents.charAt( n ).replace( re, '' )
if( s ){
var n1 = Pair.sStarts.indexOf( s )
, n2 = Pair.sEnds.indexOf( s )
s = n1>-1 ? 'end' : ( n2>-1 ? 'start' : '' )
}
// If not found, search in the position before n
if( ! s ){
n = n-1
s = sContents.charAt( n )
n1 = Pair.sStarts.indexOf( s )
n2 = Pair.sEnds.indexOf( s )
s = n1>-1 ? 'end' : ( n2>-1 ? 'start' : '' )
}
// If found, search the paired bracket (A bracket is not prefixed by the escape character ' \ ')
if( s && sContents.charAt( n-1 )!='\\' ){
Pair.n = s=='end' ? n1 : n2
var nCount = 1
, oStart = Bracket( 'Start' )
, oEnd = Bracket( 'End' )
, a = this.getIndexes( oStart.sChar, oEnd.sChar )
switch( s ){
// search end bracket
case "end":
var nStart = n
, nLength = sContents.length
for( var i=0, ni=a.length; i<ni; i++ ){
if( a[i]<=nStart ) continue
n = a[i]
if( oStart.isAt( n )) nCount++
else if( oEnd.isAt( n )) nCount--
if( nCount==0 ) return this.highlight( nStart, n )
}
break;
// search start bracket
case "start":
var nEnd = n
a.reverse()
for( var i=0, ni=a.length; i<ni; i++ ){
if( nEnd<=a[i]) continue
n = a[i]
if( oStart.isAt( n )) nCount--
else if( oEnd.isAt( n )) nCount++
if( nCount==0 ) return this.highlight( n, nEnd )
}
break;
}
}
}
}
return B
})())
--></div>
<div id="eEditeur1"></div>
<div id="eStats" class="stats"></div>
</div>
<script src="shared.js"></script>
<script src="src/js/Editor.js"></script>
<script src="src/js/Commands.js"></script>
<script src="src/js/KeyBoard.js"></script>
<script src="src/js/Selection.js"></script>
<script src="src/js/UndoStack.js"></script>
<script src="src/js/Syntax.js"></script>
<script src="src/js/Brackets.js"></script>
<script src="src/js/Fold.js"></script>
<script src="src/js/TextMarker.js"></script>
<link rel="stylesheet" type="text/css" href="src/stats.css">
<script src="src/stats.js"></script>
<script>
_( 'eEditeur1,eSource,eContents' )
eSource.value = eContents.firstChild.data
BenchmarkFunctions(
eStats, Editor.Modules.Brackets.prototype,
'reset,highlight,getIndexes,search'
)
var oChrono = new Chrono
var oEditor = new Editor ( eEditeur1, { sSyntax:'JS' })
var D = oEditor.newDoc( 'Source', eSource.value )
oEditor.execCommand( 'FOLD_LEVEL_3' )
</script>
<link rel="stylesheet" type="text/css" href="src/toc.css">
<script src="src/toc.js"></script>
<script> setTOC( "Module.Brackets.htm" ) </script>
</body>
</html>