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加亮显示ASP文章原代码

<%@ language="vbscript" %>
<% option explicit %>
<%
file: codebrws.asp
overview: this formats and writes the text of the selected page for
the view script button
this file is provided as part of the microsoft visual studio 6.0 samples

this code and information is provided "as is" without
warranty of any kind, either expressed or implied,
including but not limited to the implied warranties
of merchantability and/or fitness for a particular
purpose.

copyright (c) 1997, 1998 microsoft corporation, all rights reserved
%>
<html>

<head>
<meta name="description" content="asp source code browser">
<meta name="generator" content="microsoft frontpage 3.0">
<meta http-equiv="content-type" content="text/html; charset=iso8859-1">
<title></title>
</head>

<body bgcolor="#ffffff" topmargin="0" leftmargin="0" alink="#23238e" vlink="#808080"
link="#ffcc00">
<basefont face="verdana, arial, helvetica" size="2">

<table border="1">
<tr>
<td width="25" bgcolor="#ff0000">   </td>
<td><font face="verdana, arial, helvetica" size="2">asp script</font> </td>
</tr>
<tr>
<td bgcolor="#0000ff">   </td>
<td><font face="verdana, arial, helvetica" size="2">comments</font> </td>
</tr>
<tr>
<td bgcolor="#000000">   </td>
<td><font face="verdana, arial, helvetica" size="2">html and text</font> </td>
</tr>
</table>

<hr>
<font face="verdana, arial, helvetica" size="2"><% outputsource %>
</font>
</body>
</html>
<%
sub outputsource
dim strvirtualpath, strfilename
strvirtualpath = request("source")
strfilename = server.mappath(strvirtualpath)

dim fileobject, oinstream, stroutput
creates a file object to hold the text of the selected page
set fileobject = createobject("scripting.filesystemobject")
set oinstream = fileobject.opentextfile(strfilename, 1, 0, 0)
loop that writes each line of text in the file according to
the printline function below
while not oinstream.atendofstream
stroutput = oinstream.readline
call printline(stroutput, fcheckline(stroutput))
response.write "<br>"
wend
end sub

returns the minimum number greater than 0
if both are 0, returns -1
function fmin(inum1, inum2)
if inum1 = 0 and inum2 = 0 then
fmin = -1
elseif inum2 = 0 then
fmin = inum1
elseif inum1 = 0 then
fmin = inum2
elseif inum1 < inum2 then
fmin = inum1
else
fmin = inum2
end if
end function

function fcheckline (byval strline)
dim itemp, ipos
fcheckline = 0
itemp = 0

ipos = instr(strline, "<" & "%")
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 1
end if

ipos = instr(strline, "%" & ">")
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 2
end if

ipos = instr(1, strline, "<" & "script", 1)
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 3
end if

ipos = instr(1, strline, "<" & "/script", 1)
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 4
end if

ipos = instr(1, strline, "<" & "!--", 1)
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 5
end if

ipos = instr(1, strline, "-" & "->", 1)
if fmin(itemp, ipos) = ipos then
itemp = ipos
fcheckline = 6
end if

end function

sub printhtml (byval strline)
dim ipos, ispaces, i
ispaces = len(strline) - len(ltrim(strline))
i = 1
correct for tabs
while mid(strline, i, 1) = chr(9)
ispaces = ispaces + 5
i = i + 1
wend
insert spaces
if ispaces > 0 then
for i = 1 to ispaces
response.write(" ")
next
end if
ipos = instr(strline, "<")
if ipos then
response.write(left(strline, ipos - 1))
response.write("<")
strline = right(strline, len(strline) - ipos)
call printhtml(strline)
else
response.write(strline)
end if
end sub

sub printline (byval strline, iflag)
dim ipos
select case iflag
case 0
call printhtml(strline)

case 1
ipos = instr(strline, "<" & "%")
call printhtml(left(strline, ipos - 1))
response.write("<font color=#ff0000>")
response.write("<%")
strline = right(strline, len(strline) - (ipos + 1))
call printline(strline, fcheckline(strline))

case 2
ipos = instr(strline, "%" & ">")
call printhtml(left(strline, ipos -1))
response.write("%>")
response.write("</font>")
strline = right(strline, len(strline) - (ipos + 1))
call printline(strline, fcheckline(strline))

case 3
ipos = instr(1, strline, "<" & "script", 1)
call printhtml(left(strline, ipos - 1))
response.write("<font color=#0000ff>")
response.write("<script")
strline = right(strline, len(strline) - (ipos + 6))
call printline(strline, fcheckline(strline))

case 4
ipos = instr(1, strline, "<" & "/script>", 1)
call printhtml(left(strline, ipos - 1))
response.write("</script>")
response.write("</font>")
strline = right(strline, len(strline) - (ipos + 8))
call printline(strline, fcheckline(strline))

case 5
ipos = instr(1, strline, "<" & "!--", 1)
call printhtml(left(strline, ipos - 1))
response.write("<font color=#0000ff>")
response.write("")
response.write("</font>")
strline = right(strline, len(strline) - (ipos + 2))
call printline(strline, fcheckline(strline))

case else
response.write("function error -- please contact the administrator.")
end select
end sub
%>

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