Site Search

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<% 'Sub procedure to do the search Public Sub SearchFile(fldObject) 'Dimension local variabales Dim objRegExp 'Regular Expersions object Dim objMatches 'Holds the matches collection of the regular expresions object Dim filObject 'File object Dim tsObject 'Text stream object Dim subFldObject 'Sub folder object Dim strFileContents 'Holds the contents of the file being searched Dim strPageTitle 'Holds the title of the page Dim strPageDescription 'Holds the description of the page Dim strPageKeywords 'Holds the keywords of the page Dim intSearchLoopCounter 'Loop counter to search all the words in the array Dim intNumMatches 'Holds the number of matches Dim blnSearchFound 'Set to true if the search words are found 'Error handler On Error Resume Next 'Set the error object to 0 Err.Number = 0 'Create the regular expresions object Set objRegExp = New RegExp 'If an error has occured then the server does not support Regular Expresions If Err.Number <> 0 Then Response.Write("
Error The Server does not support the Regular Expessions object
Please download the alternative version of this application from http://www.webwizguide.info/asp/sample_scripts/site_search_script.php") 'Reset error object Err.Number = 0 End If 'Loop to search each file in the folder For Each filObject in fldObject.Files 'Check the file extension to make sure the file is of the extension type to be searched If InStr(1, strFilesTypesToSearch, fsoObject.GetExtensionName(filObject.Name), vbTextCompare) > 0 Then 'Check to make sure the file about to be searched is not a barred file if it is don't search the file If NOT InStr(1, strBarredFiles, filObject.Name, vbTextCompare) > 0 Then 'Initalise the search found variable to flase blnSearchFound = False 'Initalise the number of matches variable intNumMatches = 0 'Set the regular exprsion object to read all cases of the occurance not just the first objRegExp.Global = True 'Set the regular expression object to ignore case objRegExp.IgnoreCase = True 'Open the file for searching Set tsObject = filObject.OpenAsTextStream 'Read in the contents of the file strFileContents = tsObject.ReadAll 'Read in the title of the file strPageTitle = GetFileMetaTag("", "", strFileContents) 'Read in the description meta tag of the file strPageDescription = GetFileMetaTag("", strFileContents) 'Read in the keywords of the file strPageKeywords = GetFileMetaTag("", strFileContents) 'Set the pattern using regular expressions to srip any HTML tags objRegExp.Pattern = "<[^>]*>" 'Strip HTML tags from the contects of the file to be searched strFileContents = objRegExp.Replace(strFileContents,"") 'Put the tittle, description and the keywords back into the file to be searched strFileContents = strFileContents & " " & strPageTitle & " " & strPageDescription & " " & strPageKeywords 'If the user has choosen to search by phrase If Request.QueryString("mode") = "phrase" Then 'Set the pattern to search for objRegExp.Pattern = "\b" & strSearchWords & "\b" 'Search the file for the phrase Set objMatches = objRegExp.Execute(strFileContents) 'Check to see if the phrase has been found If objMatches.Count > 0 Then 'Get the number of times the phrase is matched intNumMatches = objMatches.Count 'If the search is found then set the search found variable to true blnSearchFound = True End If 'Else the search is either by all or any words Else 'If the search is by all words then initialise the search found variable to true If Request.QueryString("mode") = "allwords" then blnSearchFound = True 'Loop round to search for each word to be searched For intSearchLoopCounter = 0 to UBound(sarySearchWord) 'Set the pattern to search for objRegExp.Pattern = "\b" & sarySearchWord(intSearchLoopCounter) & "\b" 'Search the file for the search words Set objMatches = objRegExp.Execute(strFileContents) 'Check to see if any of the words have been found If objMatches.Count > 0 Then 'Get the number of times the search word is matched intNumMatches = intNumMatches + objMatches.Count 'If the search word is found and the search is for any words then set the search found variable to true If Request.QueryString("mode") = "anywords" then blnSearchFound = True Else 'If the search word is not found and the search is for all words then set the search found variable back to false as one of the words has not been found If Request.QueryString("mode") = "allwords" then blnSearchFound = False End If Next End If 'Calculate the total files searched intTotalFilesSearched = intTotalFilesSearched + 1 'If the page contains no title then Page Title variable the appropriate message to display If strPageTitle = "" Then strPageTitle = "No Title" 'If the page contains no title then Page Description variable the appropriate message to display If strPageDescription = "" Then strPageDescription = "There is no description available for this page" 'If the search found variable is true then display the results If blnSearchFound = True Then 'Calculate the total files found intTotalFilesFound = intTotalFilesFound + 1 'Check that the file shown is between the the files shown so far and the maximum files to show per page If intNumFilesShown < (intRecordsPerPage + intFileNum) and intTotalFilesFound > intNumFilesShown Then 'Calculate the number of results shown intNumFilesShown = intNumFilesShown + 1 End If 'Place the search results into the saerch results array 'Calculate the array position of the results array intResultsArrayPosition = intResultsArrayPosition + 1 'Set the search results found boolean to true blnSearchResultsFound = True 'If the file is in the root directory then If blnIsRoot = True Then 'Place the search results into the search results array sarySearchResults(intResultsArrayPosition,1) = "" & strPageTitle & "" 'Else it is not in the root directiory Else 'Place the search results into the search results array sarySearchResults(intResultsArrayPosition,1) = "" & strPageTitle & "" End If 'Place the rest of the search results in the search results array sarySearchResults(intResultsArrayPosition,1) = sarySearchResults(intResultsArrayPosition,1) & vbCrLf & "
" & strPageDescription sarySearchResults(intResultsArrayPosition,1) = sarySearchResults(intResultsArrayPosition,1) & vbCrLf & "
Search Matches " & intNumMatches & " - Last Updated " & FormatDateTime(filObject.DateLastModified, VbLongDate) & " - Size " & CInt(filObject.Size / 1024) & "kb" 'Read in the number of search word matches into the second part of the two dimensional array sarySearchResults(intResultsArrayPosition,2) = intNumMatches End If 'Close the text stream object tsObject.Close End If End If Next 'Reset the Regular Expression object Set objRegExp = Nothing 'Loop to search through the sub folders within the site For Each subFldObject In FldObject.SubFolders 'Check to make sure the folder about to be searched is not a barred folder if it is then don't search If NOT InStr(1, strBarredFolders, subFldObject.Name, vbTextCompare) > 0 Then 'Set to false as we are searching sub directories blnIsRoot = False 'Get the server path to the file strFileURL = fldObject.Path & "\" 'Turn the server path to the file into a URL path to the file strFileURL = Replace(strFileURL, strServerPath, "") 'Replace the NT backslash with the internet forward slash in the URL to the file strFileURL = Replace(strFileURL, "\", "/") 'Encode the file name and path into the URL code method strFileURL = Server.URLEncode(strFileURL) 'Just incase it's encoded any backslashes strFileURL = Replace(strFileURL, "%2F", "/") 'Call the search sub prcedure to search the web site Call SearchFile(subFldObject) End If Next 'Reset server variables Set filObject = Nothing Set tsObject = Nothing Set subFldObject = Nothing End Sub 'Sub procedure to sort the array using a Bubble Sort to place highest matches first Private Sub SortResultsByNumMatches(ByRef sarySearchResults, ByRef intTotalFilesFound) 'Dimension variables Dim intArrayGap 'Holds the part of the array being sorted Dim intIndexPosition 'Holds the Array index position being sorted Dim intTempResultsHold 'Temperary hold for the results if they need swapping array positions Dim intTempNumMatchesHold 'Temperary hold for the number of matches for the result if they need swapping array positions Dim intPassNumber 'Holds the pass number for the sort 'Loop round to sort each result found For intPassNumber = 1 To intTotalFilesFound 'Shortens the number of passes For intIndexPosition = 1 To (intTotalFilesFound - intPassNumber) 'If the Result being sorted hass less matches than the next result in the array then swap them If sarySearchResults(intIndexPosition,2) < sarySearchResults((intIndexPosition+1),2) Then 'Place the Result being sorted in a temporary variable intTempResultsHold = sarySearchResults(intIndexPosition,1) 'Place the Number of Matches for the result being sorted in a temporary variable intTempNumMatchesHold = sarySearchResults(intIndexPosition,2) 'Do the array position swap 'Move the next Result with a higher match rate into the present array location sarySearchResults(intIndexPosition,1) = sarySearchResults((intIndexPosition+1),1) 'Move the next Number of Matches for the result with a higher match rate into the present array location sarySearchResults(intIndexPosition,2) = sarySearchResults((intIndexPosition+1),2) 'Move the Result from the teporary holding variable into the next array position sarySearchResults((intIndexPosition+1),1) = intTempResultsHold 'Move the Number of Matches for the result from the teporary holding variable into the next array position sarySearchResults((intIndexPosition+1),2) = intTempNumMatchesHold End If Next Next End Sub 'Function to read in the files meta tags Private Function GetFileMetaTag(ByRef strStartValue, ByRef strEndValue, ByVal strFileContents) 'Dimension Variables Dim intStartPositionInFile 'Holds the start position in the file Dim intEndPositionInFile 'Holds the end position in the file 'Get the start position in the file of the meta tag intStartPositionInFile = InStr(1, LCase(strFileContents), strStartValue, 1) 'If no description or keywords are found then you may be using http-equiv= instead of name= in your meta tags If intStartPositionInFile = 0 And InStr(strStartValue, "name=") Then 'Swap name= for http-equiv= strStartValue = Replace(strStartValue, "name=", "http-equiv=") 'Check again for keywords or description intStartPositionInFile = InStr(1, LCase(strFileContents), strStartValue, 1) End If 'If there is a description then the position in file will be over 0 If NOT intStartPositionInFile = 0 Then 'Get the end position of the HTML meta tag intStartPositionInFile = intStartPositionInFile + Len(strStartValue) 'Get the position in file of the closing tag for the meta tag intEndPositionInFile = InStr(intStartPositionInFile, LCase(strFileContents), strEndValue, 1) 'Read in the meta tag from the file for the function to return GetFileMetaTag = Trim(Mid(strFileContents, intStartPositionInFile, (intEndPositionInFile - intStartPositionInFile))) 'If the is no meta tag then the GetFileMetaTag function returns a null value Else GetFileMetaTag = "" End If End Function %>