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Thread: html in rich text box

  1. #1

    Thread Starter
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    Location
    Launceston, Tasmania, Australia
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    Post

    howdy all.

    I have a html document loading in a rich text box, I was just wondering is it possible to find and extract all the links out of the rich text box and place them in a list? and if so can someone help me out with a code?

    thanx

    ------------------
    Mooose

  2. #2
    Hyperactive Member
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    Location
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    This code will search out and retrieve all the text inbetween <tt> tags. you could replace it with the <href> tags. The begining part works with the actual html file to add proper line feeds but if you are getting the file from the text of a richtext box, you can skip it.

    Function ReadWeb(strFile As String)
    Dim fnum As Long
    Dim WholeFile As String
    Dim char As String
    Dim lines() As String
    Dim i As Integer
    Dim charPos As Integer
    Dim intI As Integer
    Dim intFreeFile As Integer
    Dim strTTArray() As String

    'this will take a web created file and convert it so that I can read it
    'the web file is missing chr(13) - carriage return and I need to add it
    'it leaves the original file - makes a new .tmp file
    fnum = FreeFile
    Open strFile For Binary As fnum ' Open file.

    WholeFile = Space(LOF(fnum))
    Get fnum, , WholeFile
    Close fnum
    charPos = InStr(WholeFile, Chr(10))
    While charPos <> 0
    charPos = InStr(WholeFile, Chr(10))
    ReDim Preserve lines(i + 1)
    If charPos <> 0 Then
    If WholeFile <> "" Then
    lines(i) = Left(WholeFile, charPos - 1)
    'trim the text
    WholeFile = Mid(WholeFile, charPos + 1)
    i = i + 1
    End If
    End If
    Wend

    ok, the part abouve is just doing stuff with the file itself, if you don't want to use this part, just comment it out. But what you would have to do then is modify the code below. The code above dumps each line into an array, of which 'i' is the count. So you would have to get a count of the lines in the richtext box and then set up a loop to pull the lines 1 line at a time. If you can't get it to work, let me know and I'll see what I can do.


    ReDim strTTArray(i)
    Dim intJ As Integer, strTemp As String, strTemp2 As String, intK As Integer
    Dim booFirst As Boolean, booBetween As Boolean

    For intI = 0 To i 'this is the array
    strTemp = lines(intI) 'get the first line
    'MsgBox strTemp
    intJ = InStr(strTemp, "tt") 'check for tt
    If intJ = 0 Then 'wasn't found in this line
    'need to add this line to the strText if have already found the begining tag
    If booFirst = True Then
    strText = strText & strTemp
    End If
    Else
    'found instance of tt
    If booFirst = True Then
    'already found begining tag, so this is end tag
    strText = strText & Mid(strTemp, 1, intJ - 1)
    booFirst = False
    'set first to false so that it looks for the <tt> again
    booBetween = True
    'have found closing tag
    Else 'this is beginging tag
    booFirst = True
    booBetween = False
    strText = Mid$(strTemp, intJ + 3) 'goes after the <tt>
    intK = InStr(strText, "tt") 'have to check to see if tag ends on this line
    If intK <> 0 Then
    'this means that the end <tt> is on this line
    strText = Mid(strText, 1, intK - 1)
    booFirst = False
    booBetween = True
    'so have found closing tag
    End If
    End If
    End If

    If booBetween = True Then
    'this means that have grabbed data inbetween the 2 tags, store it and clear variables
    strTTArray(intI) = strText
    strText = ""
    booBetween = False
    booFirst = False
    MsgBox strTTArray(intI)
    End If
    Next intI

    'now strttarray should contain all the data inbetween the TT tags

    End Function


  3. #3

    Post

    Hi there...

    I was also wondering at one point... what do you mean by "loading a HTML file into a rich text box" Mooose? The source code or the web-page such as Internet Explorer does it?

    Tnx for answering

  4. #4

    Thread Starter
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    Location
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    oooops I see what you mean keetsh I stuffed up my explenation a bit, yeah I meant the source code of the page.

    ------------------
    Mooose

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