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Module.Source.htm
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Module.Source.htm
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<!DOCTYPE HTML>
<html>
<head>
<title>Le texte source</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 {
float: left;
width:60%;
height:508px;
}
.info {
float: left;
height: 508px;
width: 35%;
}
#eINFO {
overflow:scroll;
margin: 0;
padding: 0;
}
</style>
</head>
<body spellcheck="false">
<a href="./index.htm">index</a>
<h1>Le texte source</h1>
<div><h2>Objectif</h2>
<ul>
<li>Gérer le texte source d'un document.</li>
<li>Être indépendant des différents type de saut de ligne: \r\n, \n, \r.</li>
<li>Connaître la position de mots.</li>
</ul>
</div>
<div><h2>Diagramme</h2>
<img src="diagram/Class.Source.gif">
</div>
<div><h2>Aperçu</h2>
<div id="eContents"><!--Source =(function(){
var T =function( sSource ){
var sValue, aLines, oLines
, _setValue =function( s ){
aLines = s.split( this.sNewLine )
oLines = {}
this.countLines()
return sValue = s
}
this.countLines =function(){ // return n
return this.nLines = aLines.length
}
this.charAt =function( nIndex ){
return sValue.charAt( nIndex )
},
this.lineAt =function( nIndex, sError ){ // return s.{line,index}
nIndex = nIndex || 0
var n = sValue.charAt( nIndex )==this.sNewLine ? -1 : 0
var b = 0 <= nIndex && nIndex <= sValue.length
if( ! b ){
var s = (sError||'') + '\nErreur index: '+ nIndex +'=='+ sValue.length +" ?\nTexte source:\n"+ sValue
// alert( s )
throw new Error( s )
}
return b
? this.getLine( sValue.substring( 0, nIndex+1 ).split( this.sNewLine ).length + n )
: null
}
this.getLine =function( n ){ // return s.{line,index}
if( oLines[ n ]) return oLines[ n ]
if( 1<=n && n<=aLines.length ){
var sLine = new String ( aLines[ n-1 ] + ( n!=this.nLines ? this.sNewLine : '' ) )
sLine.line = n
sLine.index = aLines.slice( 0, n-1 ).join( this.sNewLine ).length + ( n > 1 ? 1 : 0 )
return oLines[ n ] = sLine
}
return null
}
this.getLines =function( nStart, nEnd ){ // return s
var bLast = nEnd==aLines.length
return aLines.slice( nStart-1, nEnd ).join( this.sNewLine ) + ( bLast ? '' : this.sNewLine )
}
this.getValue =function( bOS ){
return bOS ? aLines.join( T.LineBreaks[ this.sOS ]) : sValue
}
this.setValue =function( s ){
this.sOS = s ? this.determineOS( s ) : "UNIX"
// Needed to create a bridge for characters positions between String, Textarea, Caret and Selection
if( Browser.isOpera ) s = s.toString()
s = s.replace( /\r\n|\r|\n/g, this.sNewLine )
return _setValue.call( this, s )
}
this.updateValue =function( o ){
o.deleted = o.deleted || ''
o.added = o.added || ''
var nLinesOld = aLines.length
, sLineStart = this.lineAt( o.start )
, sLineEndDeleted = this.lineAt( o.start + o.deleted.length )
, sNewContents = sValue.substring( 0, o.start ) + o.added + sValue.substring( o.start + o.deleted.length )
_setValue.call( this, sNewContents )
var sLineEndAdded = this.lineAt( o.start + o.added.length )
, sNewLinesContents = sNewContents.substring( sLineStart.index, sLineEndAdded.index + sLineEndAdded.length )
return {
nIndex: o.start,
nLinesNew: aLines.length,
nLinesOld: nLinesOld,
oDeleted:{
text: o.deleted,
nLineStart: sLineStart.line,
nLineEnd: sLineEndDeleted.line,
sNewContents: this.lineAt( o.start )
},
oAdded:{
text: o.added,
nLineStart: sLineStart.line,
nLineEnd: sLineEndAdded.line,
aNewContents: sNewLinesContents.split( this.sNewLine )
}
}
}
this.setValue( sSource || '' )
}
T.LineBreaks ={ DOS:"\r\n",MAC:"\r",UNIX:"\n" }
T.oRe ={
'selection': /(?:\s+|\w+|[^\s\w]+)/g,
'spaceLeft': /(?:\s*(?:\w|\d)+|\s*[^\s\w\d]+|\s+)/g,
'spaceRight': /(?:\s+|(?:\w|\d)+\s*|[^\s\w\d]+\s*)/g
}
T.prototype ={
nLines: 1,
sOS: null, // DOS, MAC, UNIX
sNewLine: "\n", // "\n", // TODO : Must be a character : \r or \n, caractère définissant les nouvelles lignes
determineOS :function( s ){
if( /\r\n/.test( s )) return 'DOS'
if( /\r/.test( s )) return 'MAC'
if( /\n/.test( s )) return 'UNIX'
},
getWordPositionAt :function( nIndex, sType ){ // return {start,end,next,previous}
var re = T.oRe[ sType || 'selection' ]
var f = CallBack( this, function( nIndex ){
var s = this.lineAt( nIndex )
if( s==null ){
return nIndex < 0
? { start:0, end:0 }
: { start:nIndex, end:nIndex }
}
var sPrefixe = this.getLine( s.line-1 ) || ''
, sSuffixe = this.getLine( s.line+1 ) || ''
, n = sPrefixe.index || 0
s = sPrefixe+s+sSuffixe
var a = s.match( re )
, nStart = n
, nEnd = n
if( a ){
for( var i=0, ni=a.length; i<ni; i++ ){
var sWord = a[i]
if( nIndex < nStart + sWord.length ){
nEnd += sWord.length
break
}
else nStart = nEnd += sWord.length
}
return { start:nStart, end:nEnd }
}
return { start:nIndex, end:nIndex }
})
var o = f( nIndex )
o.previous = o.start > 0 ? f( o.start-1 ).start : 0
o.next = f( o.end ).end
return o // end non inclus dans le mot
}
}
return T
})()
--></div>
<textarea id="eSource" wrap="off" style="display:none;"></textarea>
<div id="eEditeur1"></div>
<div class="info">
Résultat de la fonction <code>updateValue</code><br>
<code>oDocument.oUpdates =</code>
<pre id="eINFO"></pre>
Voir les diagrammes:
<ul style="margin:0; padding: 0 0 0 2em;">
<li><a href="diagram/graphCaretInsertion.html">Insertion au curseur</a></li>
<li><a href="diagram/graphSelectionReplacement.html">Remplacement de la sélection</a></li>
</ul>
</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,eStats' )
eSource.value = eContents.firstChild.data
var oEditor = new Editor ( eEditeur1, { sSyntax:'JS' })
var D = oEditor.newDoc( 'Source', eSource.value )
oEditor.execCommand( 'FOLD_LEVEL_3' )
oEditor.newDoc( 'chemin/test/styles.css', 'BODY.fullscreen {\r\n\
overflow: hidden !important;\r\n\
position: relative;\r\n\
}' )
BenchmarkFunctions(
eStats, oEditor.oActiveDocument.oSource,
'countLines,charAt,lineAt,getLine,getLines,getValue,setValue,updateValue,getWordPositionAt'
)
_( 'eINFO' )
oEditor.oncontentchange =function( o ){
eINFO.innerHTML = JSON.stringify( o, null, '\t' ).str_replace( ['&','<','>'],['&','<','>'])
}
</script>
<link rel="stylesheet" type="text/css" href="src/toc.css">
<script src="src/toc.js"></script>
<script>setTOC("Module.Source.htm")</script>
</body>
</html>