[Gambas-user] [gb.eval.highlight] Spaces and syntax highlighting

[Adrien Prokopowicz]

Le dimanche 17 juin 2012 19:59:32 Benoît Minisini a écrit :
> Le 17/06/2012 15:49, Adrien Prokopowicz a écrit :
> > Le dimanche 17 juin 2012 15:38:22 Benoît Minisini a écrit :
> >> Le 12/06/2012 23:52, Adrien Prokopowicz a écrit :
> >>> Hi,
> >>> 
> >>> I noticed that the Higlight.Analyze() method doesn't like when the
> >>> Gambas code hasn't spaces between operators, commas and a few other
> >>> ones.
> >>> 
> >>> There is a good example of that problem here :
> >>> http://www.gambasforge.org/wiki/testHighlight
> >>> 
> >>> Maybe this behaviour is intended, in order to keep Gambas code clean,
> >>> but I
> >>> haven't found any function to add these spaces, like in the IDE.
> >>> Do you know where I can find this ?
> >>> 
> >>> Regards,
> >>> Adrien.
> >> 
> >> Do you have some code to show? Maybe you don't use the Analyze() method
> >> correctly...
> > 
> > Here is the function that makes the conversion Gambas string ->  html :
> > 
> > Public Sub GambasToHtml(sValue As String) As XmlElement
> > 
> >    Dim sLignes, s, sCode As String
> >    Dim i, nbLignes, lenligne As Integer
> >    Dim sTypes As String[] = ["", "normal", "keyword", "function",
> >    "operator", "symbol", "number", "string", "comment", "", "",
> >    "datatype", "", "", "", "", "error", "help", "preprocessor"] Dim
> >    Positions, Types, Lengths As New Integer[]
> >    Dim lignes As String[]
> >    Dim tableau As New HtmlTable
> >    Dim elmt As XmlElement
> >    Dim conteneur As New XmlElement("code")
> >    
> >    If Not sValue Then Return
> >    'sret = "<table class=\"code\"><tr><td class=\"numlignes\">"
> >    tableau.ClassName = "code"
> >    tableau[0, 0].ClassName = "numlignes"
> >    tableau[0, 1].ClassName = "code"
> >    tableau[0, 1].AppendChild(conteneur)
> >    sValue = Replace$(sValue, "\r\n", "\n") 'Compatibilité win/mac/linux
> >    sValue = Trim$(sValue) 'Espaces indésirables
> >    lignes = Split(sValue, "\r\n", "", False)
> >    For Each s In lignes
> >    
> >      Highlight.Analyze(s)
> >      
> >      If Highlight.Positions.Count = 0 Then
> >      
> >        conteneur.AppendText(s)
> >        conteneur.AppendFromText("<br />")
> >        'sCode&= s&  "<br />"
> >        Inc nbLignes
> >        Continue
> >      
> >      Endif
> >      Positions = Highlight.Positions
> >      Types = Highlight.Types
> >      Lengths.Clear()
> >      
> >      For i = 0 To Highlight.Symbols.Max
> >      
> >        Lengths.Push(Len(Highlight.Symbols[i]))
> >      
> >      Next
> >      
> >      lenligne = Len(s)
> >      
> >      For i = 1 To lenligne
> >      
> >        If Positions.Count<= 0
> >        
> >          'sCode&= String.Mid(s, i, 1)
> >          conteneur.AppendText(Mid(s, i, 1))
> >        
> >        Else If i = (Positions[0] + 1)
> >        
> >          'sCode&= "<span class=\""&  sTypes[Types[0]]&  "\">"& 
> >          String.Mid$(s, Positions[0] + 1, Lengths[0])&  "</span>" elmt =
> >          New XmlElement("span")
> >          elmt.ClassName = sTypes[Types[0]]
> >          elmt.TextContent = Mid$(s, Positions[0] + 1, Lengths[0])
> >          conteneur.AppendChild(elmt)
> >          i += (Lengths[0] - 1)
> >          Positions.Extract(0)
> >          Lengths.Extract(0)
> >          Types.Extract(0)
> >        
> >        ' Else If Mid$(s, i, 1) = " "
> >        '   'sCode&= " "
> >        '   tableau[0, 1].AppendFromText(" ")
> >        Else
> >        
> >          'sCode&= String.Mid$(s, i, 1)
> >          conteneur.AppendText(String.Mid(s, i, 1))
> >        
> >        Endif
> >      
> >      Next
> >      'sCode&= "<br />"
> >      conteneur.AppendFromText("<br />")
> >      Inc nbLignes
> >    
> >    Next
> >    
> >    For i = 1 To nbLignes
> >    
> >      sLignes&= (i&  "<br />\n")
> >    
> >    Next
> >    
> >    tableau[0, 0].AppendFromText(sLignes)
> >    
> >    ' sCode = Replace$(sCode, "&","&")
> >    ' sCode = Replace$(sCode, "<","<")
> >    ' sCode = Replace$(sCode, ">",">")
> >    ' sCode = RegexpReplace(sCode, "<(/?(span|br).*)>", "<&1>")
> >    ' sCode = Replace$(sCode, "&nbsp;", " ")
> >    ' sRet&= "</td><td class=\"code\">"
> >    ' sret&= sCode
> >    ' sRet&= "</td></tr></table>"
> >    '   Return XmlElement.FromText(sRet)[0]
> >    elmt = New XmlElement("div")
> >    elmt.ClassName = "code"
> >    elmt.AppendChild(tableau)
> >    Return elmt
> > 
> > End
> > 
> > 
> > The full code is available  here : (svn checkout)
> > https://gambasforge.svn.sourceforge.net/svnroot/gambasforge/trunk
> > 
> > 
> > Regards,
> > Adrien.
> 
> The Positions are relative to the string returned by
> Highlight.TextAfter. In other words, you just have to add a "s =
> Highlight.TextAfter" line just after the Highlight.Analyze call.
> 
> Beware that there was a bug: the value returned by Highlight.TextAfter
> was the original string when the Rewrite argument of Highlight.Analyze()
> was FALSE. Use revision #4844 that fixes that bug.
> 
> Otherwise, I suggest you set the Rewrite argument.
> 
> Regards,

It works with s = Highlight.TextAfter, thanks !

Regards,
Adrien.