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Skit3000
Admin Team
Joined: 11 May 2002
Posts: 2166
Location: The Netherlands
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Dr. Dread
Professional Member
Joined: 03 Aug 2001
Posts: 1065
Location: Copenhagen, Denmark
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 Posted: Thu Apr 15, 2004 8:57 am Post subject: |
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There may be a little problem if the anchor tag containing HREF is broken across more than one line, like this
| Code: | <A HREF="http://mysite.com"
target=_new>link</A> |
This could be one way to fix that:
| Code: |
....
REM If no space, end URL at >
else
if @EQUAL(%%pos2,0)
LIST ADD,2,@SUBSTR(%%text,1,@LEN(%%text))
%%text = @STRDEL(%%text,1,%%pos2)
else
LIST ADD,2,@SUBSTR(%%text,1,@PRED(%%pos2))
%%text = @STRDEL(%%text,1,%%pos2)
end
end
....
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Greetz
Dread
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~~ Alcohol and calculus don't mix... Don't drink and derive! ~~
String.DLL * advanced string processing |
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Skit3000
Admin Team
Joined: 11 May 2002
Posts: 2166
Location: The Netherlands
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| Posted: Thu Apr 15, 2004 3:35 pm Post subject: |
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This is another routine to parse urls form a input-text / website. It will put every found url into a list. The best is to use a sorted list for the output, so you won't get duplicated items... 
| Code: | #define function,ParseURL
list create,1
list create,2,sorted
list add,1,<title>Test</title>
list add,1,<body>
list add,1,Text here<br>
list add,1,<a href=@chr(34)http://www.test.net/files/test/index.html@chr(34) class="test">Test</a><br>
list add,1,Links: <a href=@chr(34)index.php@chr(34) target=@chr(34)_blank@chr(34)>Visit VDSWorld</a> - <a href=@chr(34)http://forum.vdsworld.com@chr(34)>Visit VDSWorld Forum</a><br>
list add,1,E-mail: <a href=@chr(34)mailto:webmaster@CHR(64)site.com@chr(34)>webmaster@CHR(64)site.com</a><img src=@chr(34)http://imageweb/myimage.gif@chr(34)>
list add,1,http://www.taest23.nzet/fic~_vles/test/index.html? <embed src=@chr(34)flash.swf@chr(34)>http://www.taest23.nzet/fic~_vles/test/index.html?
list add,1,</body>
# The ParseURL function will take all files from the input and put it into the list specified with the second parameter.
# Syntax:
# - @ParseURL(<input text>,<output list>)
info @ParseURL(@text(1),2)
list close,2
list close,1
exit
:ParseURL
if @equal(%1,CheckValidChar)
%%string1 = @both(@greater(@asc(@substr(%2,1,1)),@pred(@asc(a))),@greater(@succ(@asc(z)),@asc(@substr(%2,1,1))))
%%string2 = @both(@greater(@asc(@substr(%2,1,1)),@pred(@asc(A))),@greater(@succ(@asc(Z)),@asc(@substr(%2,1,1))))
%%string3 = @both(@greater(@asc(@substr(%2,1,1)),47),@greater(58,@asc(@substr(%2,1,1))))
%%string4 = @equal(@substr(%2,1,1),":")@equal(@substr(%2,1,1),"/")@equal(@substr(%2,1,1),"\")@equal(@substr(%2,1,1),".")@equal(@substr(%2,1,1),"~")@equal(@substr(%2,1,1),"-")@equal(@substr(%2,1,1),"_")@equal(@substr(%2,1,1),"%")@equal(@substr(%2,1,1),"?")@equal(@substr(%2,1,1),"&")@equal(@substr(%2,1,1),"=")@equal(@substr(%2,1,1),"@")@equal(@substr(%2,1,1),";")@equal(@substr(%2,1,1),",")@equal(@substr(%2,1,1),"+")@equal(@substr(%2,1,1),"#")@equal(@substr(%2,1,1),"(")@equal(@substr(%2,1,1),")")
exit %%string1%%string2%%string3%%string4
end
%%input = %1" "
# Search for strings beginning with "http://".
%%backupinput = %%input
while @unequal(@pos("http://",%%input),0)
%%input = @strdel(%%input,1,@pred(@pos("http://",%%input)))
%%output =
repeat
%%output = %%output@substr(%%input,1,1)
%%input = @strdel(%%input,1,1)
until @not(@ParseURL(CheckValidChar,%%input))
list add,%2,%%output
wend
# Now search for "<a href="blabla.html".
%%input = %%backupinput
while @greater(@pos("<a href=",%%input),0)
%%input = @trim(@strdel(%%input,1,@sum(@pos("<a href=",%%input), ))
%%output =
repeat
%%output = %%output@substr(%%input,1,1)
%%input = @strdel(%%input,1,1)
until @not(@ParseURL(CheckValidChar,%%input))
list add,%2,%%output
wend
# Also search for images: "<img src=".
%%input = %%backupinput
while @greater(@pos("<img src=",%%input),0)
%%input = @trim(@strdel(%%input,1,@sum(@pos("<img src=",%%input),9)))
%%output =
repeat
%%output = %%output@substr(%%input,1,1)
%%input = @strdel(%%input,1,1)
until @not(@ParseURL(CheckValidChar,%%input))
list add,%2,%%output
wend
# And for embedded things: "<embed src="
%%input = %%backupinput
while @greater(@pos("<embed src=",%%input),0)
%%input = @trim(@strdel(%%input,1,@sum(@pos("<embed src=",%%input),11)))
%%output =
repeat
%%output = %%output@substr(%%input,1,1)
%%input = @strdel(%%input,1,1)
until @not(@ParseURL(CheckValidChar,%%input))
list add,%2,%%output
wend
exit @text(%2) |
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