[点晴永久免费OA]VBS、ASP代码语法加亮显示的类
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代码如下:
<% Class cBuffer Private objFSO, objFile, objDict Private m_strPathToFile, m_TableBGColor, m_StartTime Private m_EndTime, m_LineCount, m_intKeyMin, m_intKeyMax Private m_CodeColor, m_CommentColor, m_StringColor, m_TabSpaces Private Sub Class_Initialize() TableBGColor = "white" CodeColor = "Blue" CommentColor = "Green" StringColor = "Gray" TabSpaces = " " PathToFile = "" m_StartTime = 0 m_EndTime = 0 m_LineCount = 0 KeyMin = 2 KeyMax = 8 Set objDict = server.createObject("scripting.Dictionary") objDict.CompareMode = 1 createKeywords Set objFSO = server.createObject("scripting.FileSystemObject") End Sub Private Sub Class_Terminate() Set objDict = Nothing Set objFSO = Nothing End Sub Public Property Let CodeColor(inColor) m_CodeColor = "<font color=" & inColor & "><Strong>" End Property Private Property Get CodeColor() CodeColor = m_CodeColor End Property Public Property Let CommentColor(inColor) m_CommentColor = "<font color=" & inColor & ">" End Property Private Property Get CommentColor() CommentColor = m_CommentColor End Property Public Property Let StringColor(inColor) m_StringColor = "<font color=" & inColor & ">" End Property Private Property Get StringColor() StringColor = m_StringColor End Property Public Property Let TabSpaces(inSpaces) m_TabSpaces = inSpaces End Property Private Property Get TabSpaces() TabSpaces = m_TabSpaces End Property Public Property Let TableBGColor(inColor) m_TableBGColor = inColor End Property Private Property Get TableBGColor() TableBGColor = m_TableBGColor End Property Public Property Get ProcessingTime() ProcessingTime = Second(m_EndTime - m_StartTime) End Property Public Property Get LineCount() LineCount = m_LineCount End Property Public Property Get PathToFile() PathToFile = m_strPathToFile End Property Public Property Let PathToFile(inPath) m_strPathToFile = inPath End Property Private Property Let KeyMin(inMin) m_intKeyMin = inMin End Property Private Property Get KeyMin() KeyMin = m_intKeyMin End Property Private Property Let KeyMax(inMax) m_intKeyMax = inMax End Property Private Property Get KeyMax() KeyMax = m_intKeyMax End Property Private Sub createKeywords() objDict.Add "abs", "Abs" objDict.Add "and", "And" objDict.Add "array", "Array" objDict.Add "call", "Call" objDict.Add "cbool", "CBool" objDict.Add "cbyte", "CByte" objDict.Add "ccur", "CCur" objDict.Add "cdate", "CDate" objDict.Add "cdbl", "CDbl" objDict.Add "cint", "CInt" objDict.Add "class", "Class" objDict.Add "clng", "CLng" objDict.Add "const", "Const" objDict.Add "csng", "CSng" objDict.Add "cstr", "CStr" objDict.Add "date", "Date" objDict.Add "dim", "Dim" objDict.Add "do", "Do" objDict.Add "loop", "Loop" objDict.Add "empty", "Empty" objDict.Add "eqv", "Eqv" objDict.Add "erase", "Erase" objDict.Add "exit", "Exit" objDict.Add "false", "False" objDict.Add "fix", "Fix" objDict.Add "for", "For" objDict.Add "next", "Next" objDict.Add "each", "Each" objDict.Add "function", "Function" objDict.Add "global", "Global" objDict.Add "if", "If" objDict.Add "then", "Then" objDict.Add "else", "Else" objDict.Add "elseif", "ElseIf" objDict.Add "imp", "Imp" objDict.Add "int", "Int" objDict.Add "is", "Is" objDict.Add "lbound", "LBound" objDict.Add "len", "Len" objDict.Add "mod", "Mod" objDict.Add "new", "New" objDict.Add "not", "Not" objDict.Add "nothing", "Nothing" objDict.Add "null", "Null" objDict.Add "on", "On" objDict.Add "error", "Error" objDict.Add "resume", "Resume" objDict.Add "option", "Option" objDict.Add "explicit", "Explicit" objDict.Add "or", "Or" objDict.Add "private", "Private" objDict.Add "property", "Property" objDict.Add "get", "Get" objDict.Add "let", "Let" objDict.Add "set", "Set" objDict.Add "public", "Public" objDict.Add "redim", "Redim" objDict.Add "select", "select" objDict.Add "case", "Case" objDict.Add "end", "End" objDict.Add "sgn", "Sgn" objDict.Add "string", "String" objDict.Add "sub", "Sub" objDict.Add "true", "True" objDict.Add "ubound", "UBound" objDict.Add "while", "While" objDict.Add "wend", "Wend" objDict.Add "with", "With" objDict.Add "xor", "Xor" End Sub Private Function Min(x, y) Dim tempMin If x < y Then tempMin = x Else tempMin = y Min = tempMin End Function Private Function Max(x, y) Dim tempMax If x > y Then tempMax = x Else tempMax = y Max = tempMax End Function Public Sub AddKeyword(inKeyword, inToken) KeyMin = Min(Len(inKeyword), KeyMin) KeyMax = Max(Len(inKeyword), KeyMax) objDict.Add LCase(inKeyword), inToken End Sub Public Sub ParseFile(blnOutputHTML) Dim m_strReadLine, tempString, blnInscriptBlock, blnGoodExtension, i Dim blnEmptyLine m_LineCount = 0 If Len(PathToFile) = 0 Then Err.Raise 5, "cBuffer: PathToFile Length Zero" Exit Sub End If select Case LCase(Right(PathToFile, 3)) Case "asp", "inc" blnGoodExtension = True Case Else blnGoodExtension = False End select If Not blnGoodExtension Then Err.Raise 5, "cBuffer: File extension not asp or inc" Exit Sub End If Set objFile = objFSO.OpenTextFile(server.MapPath(PathToFile)) Response.Write "<table nowrap bgcolor=" & TableBGColor & " cellpadding=0 cellspacing=0>" Response.Write "<tr><td><PRE>" m_StartTime = Time() Do While Not objFile.AtEndOfStream m_strReadLine = objFile.ReadLine blnEmptyLine = False If Len(m_strReadLine) = 0 Then blnEmptyLine = True End If m_strReadLine = Replace(m_strReadLine, vbTab, TabSpaces) m_LineCount = m_LineCount + 1 tempString = LTrim(m_strReadLine) ' Check for the top script line that set's the default script language ' for the page. If left( tempString, 3 ) = Chr(60) & "%@" And right(tempString, 2) = "%" & Chr(62) Then Response.Write "<table><tr bgcolor=yellow><td>" Response.Write server.HTMLEncode(m_strReadLine) Response.Write "</td></tr></table>" blnInscriptBlock = False ' Check for an opening script tag ElseIf Left( tempString, 2) = Chr(60) & "%" Then ' Check for a closing script tag on the same line If right( RTrim(tempString), 2 ) = "%" & Chr(62) Then Response.Write "<table><tr><td bgcolor=yellow><%</td>" Response.Write "<td>" Response.Write CharacterParse(mid(m_strReadLine, 3, Len(m_strReadLine) - 4)) Response.Write "</td>" Response.Write "<td bgcolor=yellow>%gt;</td></tr></table>" blnInscriptBlock = False Else Response.Write "<table><tr bgcolor=yellow><td><%</td></tr></table>" ' We've got an opening script tag so set the flag to true so ' that we know to start parsing the lines for keywords/comments blnInscriptBlock = True End If Else If blnInscriptBlock Then If blnEmptyLine Then Response.Write vbCrLf Else If right(tempString, 2) = "%" & Chr(62) Then Response.Write "<table><tr bgcolor=yellow><td>%></td></tr></table>" blnInscriptBlock = False Else Response.Write CharacterParse(m_strReadLine) & vbCrLf End If End If Else If blnOutputHTML Then If blnEmptyLine Then Response.Write vbCrLf Else Response.Write server.HTMLEncode(m_strReadLine) & vbCrLf End If End If End If End If Loop ' Grab the time at the completion of processing m_EndTime = Time() ' Close the outside table Response.Write "</PRE></td></tr></table>" ' Close the file and destroy the file object objFile.close Set objFile = Nothing End Sub ' This function parses a line character by character Private Function CharacterParse(inLine) Dim charBuffer, tempChar, i, outputString Dim insideString, workString, holdChar insideString = False outputString = "" For i = 1 to Len(inLine) tempChar = mid(inLine, i, 1) select Case tempChar Case " " If Not insideString Then charBuffer = charBuffer & " " If charBuffer <>" " Then If left(charBuffer, 1) = " " Then outputString = outputString & " " ' Check for a 'rem' style comment marker If LCase(Trim(charBuffer)) = "rem" Then outputString = outputString & CommentColor outputString = outputString & "REM" workString = mid( inLine, i, Len(inLine)) workString = replace(workString, "<", "<") workString = replace(workString, ">", ">") outputString = outputString & workString & "</font>" charBuffer = "" Exit For End If outputString = outputString & FindReplace(Trim(charBuffer)) If right(charBuffer, 1) = " " Then outputString = outputString & " " charBuffer = "" End If Else outputString = outputString & " " End If Case "(" If left(charBuffer, 1) = " " Then outputString = outputString & " " End If outputString = outputString & FindReplace(Trim(charBuffer)) & "(" charBuffer = "" Case Chr(60) outputString = outputString & "<" Case Chr(62) outputString = outputString & ">" Case Chr(34) ' catch quote chars and flip a boolean variable to denote that ' whether or not we're "inside" a quoted string insideString = Not insideString If insideString Then outputString = outputString & StringColor outputString = outputString & "&quot;" Else outputString = outputString & """" outputString = outputString & "</font>" End If Case "'" ' Catch comments and output the rest of the line ' as a comment IF we're not inside a string. If Not insideString Then outputString = outputString & CommentColor workString = mid( inLine, i, Len(inLine)) workString = replace(workString, "<", "<") workString = replace(workString, ">", ">") outputString = outputString & workString outputString = outputString & "</font>" Exit For Else outputString = outputString & "'" End If Case Else ' We've dealt with special case characters so now ' we'll begin adding characters to our outputString ' or charBuffer depending on the state of the insideString ' boolean variable If insideString Then outputString = outputString & tempChar Else charBuffer = charBuffer & tempChar End If End select Next ' Deal with the last part of the string in the character buffer If Left(charBuffer, 1) = " " Then outputString = outputString & " " End If ' Check for closing parentheses at the end of a string If right(charBuffer, 1) = ")" Then charBuffer = Left(charBuffer, Len(charBuffer) - 1) CharacterParse = outputString & FindReplace(Trim(charBuffer)) & ")" Exit Function End If CharacterParse = outputString & FindReplace(Trim(charBuffer)) End Function ' return true or false if a passed in number is between KeyMin and KeyMax Private Function InRange(inLen) If inLen >= KeyMin And inLen <= KeyMax Then InRange = True Exit Function End If InRange = False End Function ' Evaluate the passed in string and see if it's a keyword in the ' dictionary. If it is we will add html formatting to the string ' and return it to the caller. Otherwise just return the same ' string as was passed in. Private Function FindReplace(inToken) ' Check the length to make sure it's within the range of KeyMin and KeyMax If InRange(Len(inToken)) Then If objDict.Exists(inToken) Then FindReplace = CodeColor & objDict.Item(inToken) & "</Strong></Font>" Exit Function End If End If ' Keyword is either too short or too long or doesn't exist in the ' dictionary so we'll just return what was passed in to the function FindReplace = inToken End Function End Class %> <!--#include file="token.asp"--> <% ' ************************************************************************* ' This is all test/example code showing the calling syntax of the ' cBuffer class ... the interface to the cBuffer object is quite simple. ' ' Use it for reference ... delete it ... whatever. ' ************************************************************************* REM This is a rem type comment just for testing purposes! ' This variable will hold an instance of the cBuffer class Dim objBuffer ' Set up the error handling On Error Resume Next ' create the instance of the cBuffer class Set objBuffer = New cBuffer ' Set the PathToFile property of the cBuffer class ' ' Just for kicks we'll use the asp file that we created ' in the last installment of this article series for testing purposes objBuffer.PathToFile = "../081899/random.asp" '这是文件名啦。 ' Here's an example of how to add a new keyword to the keyword array ' You could add a list of your own function names, variables or whatever...cool! ' NOTE: You can add different HTML formatting if you like, the <strong> ' attribute will applied to all keywords ... this is likely to change ' in the near future. ' 'objBuffer.AddKeyword "response.write", "<font color=Red>Response.Write</font>" ' Here are examples of changing the table background color, code color, ' comment color, string color and tab space properties ' 'objBuffer.TableBGColor = "LightGrey" ' or 'objBuffer.TableBGColor = "#ffffdd" ' simple right? 'objBuffer.CodeColor = "Red" 'objBuffer.CommentColor = "Orange" 'objBuffer.StringColor = "Purple" 'objBuffer.TabSpaces = " " ' Call the ParseFile method of the cBuffer class, pass it true if you want the ' HTML contained in the page output or false if you don't objBuffer.ParseFile False '注意:显示代码的response.write已经在class中。这里调用方法就可以了。 ' Check for errors that may have been raised and write them out If Err.number <> 0 Then Response.Write Err.number & ":" & Err.description & ":" & Err.source & "<br>" End If ' Output the processing time and number of lines processed by the script Response.Write "<strong>Processing Time:</strong> " & objBuffer.ProcessingTime & " seconds<br>" Response.Write "<strong>Lines Processed:</strong> " & objBuffer.LineCount & "<br>" ' Destroy the instance of our cBuffer class Set objBuffer = Nothing %> 该文章在 2022/7/5 1:29:13 编辑过 |
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