这次加入了数据库模板功能 :)

<!-- METADATA TYPE="typelib" UUID="00000200-0000-0010-8000-00AA006D2EA4" NAME="ADO Type Library" -->

<%

'#######################################################################
'## NAME: aspTemplate
'## BY: BigHan
'## DATE: Nov. 28, 2003
'## SITE: http://aspTemplate.yeah.net/
'## EMAIL: aspTemplate@21cn.com
'##
'## (C) Copyright 2003-2004 bighan
'#######################################################################

'#######################################################################
'## Database Table: See db/aspTemplate.mdb
'#######################################################################


Class aspTemplate

'####
'## name of this class
'## var string
'## @access Private
'## @see property: Name
'####
Private m_strName

'####
'## version of this class
'## var string
'## @access Private
'## @see property: Version
'####
Private m_strVersion

'####
'## Determines how much debugging output Template will produce.
'## This is a bitwise mask of available debug levels:
'## 0 = no debugging
'## 1 = debug variable assignments
'## 2 = debug calls to get variable
'## 3 = debug SQL
'## 4 = debug internals (outputs all function calls with parameters).
'##
'## @var int
'## @access Private
'## @see property: Debug
'####
Private m_intDebug

'####
'## Template files data type
'##
'## "db" = Database
'## "file" = File
'##
'## @var string
'## @access private
'## @see property: Mode
'####
Private m_strMode

'####
'## The base directory from which template files are loaded.
'##
'## @var string
'## @access private
'## @see property: Root, Dir; method: SetRoot, set_root
'####
Private m_Root

'####
'## Determines how to output variable tags with no assigned value in templates.
'##
'## @var string
'## @access private
'## @see property Unknowns; method: SetUnknowns, set_unknowns
'####
Private m_strUnknowns

'####
'## Determines how Template handles error conditions.
'## "yes" = the error is reported, then execution is halted
'## "report" = the error is reported, then execution continues by returning "false"
'## "no" = errors are silently ignored, and execution resumes reporting "false"
'##
'## @var string
'## @access private
'## @see property IsHalt; method: halt
'####
Private m_strHaltError

'####
'## The last error message is retained in this variable.
'##
'## @var string
'## @access private
'## @see property LastError
'##
Private m_strLastError

'####
'## Opening delimiter (usually "{")
'##
'## @var string
'## @access private
'## @see property BeginTag
'####
Private m_strBeginTag

'####
'## Closing delimiter (usually "}")
'##
'## @var string
'## @access private
'## @see private EndTag
'####
Private m_strEndTag

'####
'## A hash of strings forming a translation table which translates variable names
'## into names of files containing the variable content.
'## m_oFile.Item(varname) = "filename";
'##
'## @var object
'## @access private
'## @see method: SetFile, SetFiles, set_file
'####
Private m_oFile

'####
'## Regular Expression Object
'##
'## @var object
'## @access private
'####
Private m_oRegExp

'####
'## A hash of strings forming a translation table which translates variable names
'## into regular expressions for themselves.
'## m_oVarKeys.Item(varname) = "{varname}"
'##
'## @var object
'## @access private
'## @see method: SetVar, SetVars, SetAppendVar, SetAppendVars, set_var
'####
Private m_oVarKeys

'####
'## A hash of strings forming a translation table which translates variable names
'## into values for their respective varkeys.
'## m_oVarVals.Item(varname) = "value"
'##
'## @var object
'## @access private
'## @see method: SetVar, SetVars, SetAppendVar, SetAppendVars, set_var
'####
Private m_oVarVals

'####
'## Connection Object, if this Mode = "db" the Connection Object need.
'##
'## @var object
'## @access private
'## @see property: ActiveConnection, method: OpenTemplateDatabase, CloseTemplateDatabase
'####
Private m_oConn

'####
'## Is native connection object.
'##
'## @var object
'## @access private
'## @see property: ActiveConnection, method: OpenTemplateDatabase, CloseTemplateDatabase
'####
Private m_blnNativeConnection

'####
'## Is Open connection object.
'##
'## @var object
'## @access private
'## @see property: ActiveConnection, method: OpenTemplateDatabase, CloseTemplateDatabase
'####
Private m_blnConnectionState

'####
'## Template database set table name.
'##
'## @var string
'## @access private
'## @see property: CatTable
'####
Private m_strCatTable

'####
'## Template database data table name.
'##
'## @var string
'## @access private
'## @see property: DataTable
'####
Private m_strDataTable

'####
'## get class name attribute.
'##
'## usage: oTemplate.Name
'## access public
'##


Public Property Get Name()
'############################################################
Name = m_strName
End Property

'####
'## get class version property.
'##
'## usage: oTemplate.Version
'## access public
'##
Public Property Get Version()
'############################################################
Version = m_strVersion
End Property

'####
'## get/set m_strMode property.
'##
'## usage: oTemplate.Mode = string A_strType
'## access public
'##
Public Property Let Mode(ByVal A_strType)
'############################################################
If Debug = 4 Then Response.Write "<p><b>Mode:</b> A_strType = " & A_strType & "</p>" & VbCrLf
A_strType = LCase(A_strType)
Select Case A_strType
Case "file"
m_strMode = "file"
Case "db"
m_strMode = "db"
End Select
End Property

Public Property Get Mode()
Mode = m_strMode
End Property

'####
'## set m_oConn property.
'##
'## usage: oTemplate.ActiveConnection = object A_oConn
'## access public
'##
Public Property Let ActiveConnection(ByRef A_oConn)
'############################################################
If Debug = 3 Then Response.Write "<p><b>ActiveConnection:</b> Use ActiveConnection</p>" & VbCrLf
if IsObject(A_oConn) Then
If A_oConn.State <> AdStateClosed Then
Set m_oConn = A_oConn
m_blnConnectionState = True
m_blnNativeConnection = False
End If
End If
End Property

'####
'## set/get m_strCatTable property.
'##
'## usage: oTemplate.CatTable = string A_strCatTable
'## access public
'##
Public Property Let CatTable(ByVal A_strCatTable)
'############################################################
If Debug = 3 Then Response.Write "<p><b>CatTable:</b> A_strCatTable = " & A_strCatTable & "</p>" & VbCrLf
m_strCatTable = A_strCatTable
End Property

Public Property Get CatTable()
CatTable = m_strCatTable
End Property

'####
'## set/get m_strDataTable property.
'##
'## usage: oTemplate.DataTable = string A_strDataTable
'## access public
'##
Public Property Let DataTable(ByVal A_strDataTable)
'############################################################
If Debug = 3 Then Response.Write "<p><b>DataTable:</b> A_strDataTable = " & A_strDataTable & "</p>" & VbCrLf
m_strDataTable = A_strDataTable
End Property

Public Property Get DataTable()
DataTable = m_strDataTable
End Property

'####
'## get/set m_intDebug attribute.
'##
'## usage: oTemplate.Debug = int A_intDebug
'## access public
'##
Public Property Let Debug(ByVal A_intDebug)
'############################################################
m_intDebug = CInt(A_intDebug)
End Property

Public Property Get Debug()
Debug = m_intDebug
End Property

'####
'## Sets the policy for dealing with unresolved variable names.
'##
'## unknowns defines what to do with undefined template variables
'## "remove" = remove undefined variables
'## "comment" = replace undefined variables with comments
'## "keep" = keep undefined variables
'##
'## Note: "comment" can cause unexpected results when the variable tag is embedded
'## inside an HTML tag, for example a tag which is expected to be replaced with a URL.
'##
'## usage: oTemplate.Unknowns = string A_strUnknowns
'##
'## @param A_strUnknowns new value for unknowns
'## @see unknowns, SetUnknowns, set_unknowns
'## @access public
'##
Public Property Let Unknowns(ByVal A_strUnknowns)
'############################################################
If Debug = 4 Then Response.Write "<p><b>Unknowns:</b> unknowns = " & A_strUnknowns & "</p>" & VbCrLf
A_strUnknowns = LCase(A_strUnknowns)
Select Case A_strUnknowns
Case "keep"
m_strUnknowns = "keep"
Case "remove"
m_strUnknowns = "remove"
Case "comment"
m_strUnknowns = "comment"
Case Else
m_strUnknowns = "remove"
End Select
End Property

Public Property Get Unknowns()
Unknowns = m_strUnknowns
End Property

'####
'## Checks that root is a valid directory and if so sets this directory as the
'## base directory from which templates are loaded by storing the value in
'## Root. Relative filenames are prepended with the path in Root.
'##
'## usage: oTemplate.Root = string A_strDir
'##
'## @param A_root string containing new template directory
'## @see m_Root, SetRoot, set_root
'## @access public
'##
Public Property Let Root(ByVal A_strDir)
'############################################################
Dim MM_FSO, sql, rs, MM_TempDir, num
If Debug = 4 Then Response.Write "<p><b>Root:</b> root = " & A_strDir & "</p>" & VbCrLf
If Len(A_strDir) > 0 Then
If Mode = "file" Then
Set MM_FSO = CreateObject("Scripting.FileSystemObject")
If MM_FSO.FolderExists(Server.MapPath(A_strDir)) Then
If Right(A_strDir, 1) <> "/" Then
m_Root = A_strDir & "/"
Else
m_Root = A_strDir
End If
Else
Call halt("The folder " & A_strDir & " does not exist.")
End If
ElseIf Mode = "db" Then
If Right(A_strDir, 1) = "/" Then A_strDir = left(A_strDir, len(A_strDir) -1)
If left(A_strDir, 1) = "/" Then A_strDir = Right(A_strDir, len(A_strDir) -1)
MM_TempDir = Split(A_strDir, "/")
num = UBound(MM_TempDir)
If num > 0 Then A_strDir = MM_TempDir(num)
sql = "SELECT tplcat_id FROM " & CatTable & " WHERE tplcat_name='" & A_strDir &"'"
Set rs = Server.CreateObject("ADODB.Recordset")
rs.Open sql, m_oConn, AdOpenForwardOnly, AdLockReadOnly, adCmdText
If Not rs.EOF Then
m_Root = rs("tplcat_id")
Else
Call halt("Not Find template category " & A_strDir & " from database.")
End If
Set rs = Nothing
If Debug = 3 Then Response.Write "<p><b>Root:</b> sql = " & sql & "</p>" & VbCrLf
End If
Else
Call halt("The folder Root does not empty.")
End If
End Property

Public Property Get Root()
Root = m_Root
End Property

'####
'##
'## alias of Root
'##
Public Property Let Dir(ByVal A_strDir)
'############################################################
Root = A_strDir
End Property

Public Property Get Dir()
Dir = Root
End Property

'####
'## Set/Get class m_strHaltError attribute.
'##
'## "yes" = the error is reported, then execution is halted.
'## "no" = errors are silently ignored.
'## "report" = the error is reported, then execution continues.
'##
'## usage: oTemplate.IsHalt = string A_strHalt
'##
'## @param A_strHalt new value for m_strHaltError
'## @see Halt
'## @access public
'##
Public Property Let IsHalt(ByVal A_strHalt)
'############################################################
A_strHalt = LCase(A_strHalt)
Select Case A_strHalt
Case "yes"
m_strHaltError = "yes"
Case "no"
m_strHaltError = "no"
Case "report"
m_strHaltError = "report"
End Select
End Property

Public Property Get IsHalt()
IsHalt = m_strHaltError
End Property

'####
'## Set/Get class m_strBeginTag attribute.
'##
'## Note: Don't conflict of HTML tag
'##
'## usage: oTemplate.BeginTag = string A_strTag
'##
'## @param A_strTag new value for m_strBeginTag
'## @access public
'##
Public Property Let BeginTag(ByVal A_strTag)
'############################################################
If Debug = 4 Then Response.Write "<p><b>BeginTag:</b> BeginTag = " & A_strTag & "</p>" & VbCrLf
m_strBeginTag = A_strTag
End Property

Public Property Get BeginTag()
BeginTag = m_strBeginTag
End Property

'####
'## Set/Get class m_strEndTag attribute.
'##
'## Note: Don't conflict of HTML tag
'##
'## usage: oTemplate.EndTag = string A_strTag
'##
'## @param A_strTag new value for m_strEndTag
'## @access public
'##
Public Property Let EndTag(ByVal A_strTag)
'############################################################
If Debug = 4 Then Response.Write "<p><b>EndTag:</b> EndTag = " & A_strTag & "</p>" & VbCrLf
m_strEndTag = A_strTag
End Property

Public Property Get EndTag()
EndTag = m_strEndTag
End Property

'####
'## Get class last error messages.
'##
'## usage: oTemplate.LastError
'##
'## @access public
'##
Public Property Get LastError()
'############################################################
LastError = m_strLastError
End Property

'####
'## Open template database Connection object. if this Mode="db", need first open.
'##
'## usage: oTemplate.OpenTemplateDatabase string A_strConnString
'##
'## @access public
'##
Public Sub OpenTemplateDatabase(ByVal A_strConnString)
'############################################################
on error resume next
If Debug = 3 Then Response.Write "<p><b>OpenTemplateDatabase:</b> A_strConnString = " & A_strConnString & "</p>" & VbCrLf
if IsNull(m_oConn) Or Not IsObject(m_oConn) Then
Set m_oConn = Server.CreateObject("ADODB.Connection")
m_oConn.ConnectionString = A_strConnString
m_oConn.Open
If Err Then
err.Clear
Set m_oConn = Nothing
Call halt("Connection: Open Connection by string " & A_strConnString & " error.")
Else
m_blnConnectionState = True
m_blnNativeConnection = True
End If
End If
End Sub

'####
'## Close template database Connection object.
'##
'## usage: oTemplate.CloseTemplateDatabase
'##
'## @access public
'##
Public Sub CloseTemplateDatabase()
'############################################################
if IsObject(m_oConn) Then
If Debug = 3 Then Response.Write "<p><b>CloseTemplateDatabase:</b> Close Database ... ...</p>" & VbCrLf
If m_blnNativeConnection = True Then
m_oConn.Close
Set m_oConn = Nothing
Else
Set m_oConn = Nothing
End If
End If
m_blnConnectionState = False
End Sub

'####
'##
'## @see Root
'##
Public Sub SetRoot(ByVal A_strDir)
'############################################################
Root = A_strDir
End Sub

'## @same phplib::template->set_root
Public Sub set_root(ByVal A_strDir)
Root = A_strDir
End Sub

'####
'##
'## @see Unknown
'##
Public Sub SetUnknowns(ByVal A_strUnknowns)
'############################################################
Unknowns = A_strUnknowns
End Sub

'## @same phplib::template->set_root
Public Sub set_unknowns(ByVal A_strUnknowns)
Unknowns = A_strUnknowns
End Sub

'####
'## Defines a filename for the initial value of a variable.
'##
'## It may be passed either a varname and a file name as two strings or
'## a hash of strings with the key being the varname and the value
'## being the file name.
'##
'## The new mappings are stored in the object m_oFile.
'## The files are not loaded yet, but only when needed.
'##
'##
'## usage: oTemplate.SetFile A_varname, A_filename
'## or
'## usage: oTemplate.SetFile array(A_varname1, A_filename1 _
'## ,A_varname2, A_filename2 _
'## ,.... .... , ,,,. ,,,, ) _
'## , ""
'## @see SetFiles
'## @param A_varname either a string containing a varname or a hash of varname/file name pairs.
'## @param A_filename if varname is a string this is the filename otherwise filename is not required
'## @access public
'##
Public Sub SetFile(ByVal A_varname, ByVal A_filename)
'############################################################
Dim MM_strFiles, num
If Not IsArray(A_varname) Then
If Debug = 4 Then Response.Write "<p><b>SetFile:</b> (with scalar) varname = "& A_varname &", filename = "& A_filename &"</p>" & VbCrLf
If A_filename = "" Then
Call halt("SetFile: For varname " & A_filename & " filename is empty.")
Exit Sub
End If
MM_strFiles = filename(A_filename)
m_oFile.Add A_varname, MM_strFiles
Else
Call SetFiles(A_varname)
End If
End Sub

'####
'## Defines a multi-filename for the initial value of a variable.
'##
'## usage: oTemplate.SetFiles array(A_varname1, A_filename1 _
'## ,A_varname2, A_filename2 _
'## ,.... .... , ,,,. ,,,, )
'## @param array A_varname
'## @access public
'## @see SetFile
'##
Public Sub SetFiles(ByVal A_varname)
'############################################################
Dim i, num
If IsArray(A_varname) Then
num = Ubound(A_varname)
if ((num +1) mod 2) <> 0 Then
Call halt("SetFiles: For varname array's element not gemination.")
Exit Sub
Else
For i = 0 To num Step 2
Call SetFile(A_varname(i), A_varname(i+1))
Next
End If
Else
Call SetFile(A_varname, "")
End If
End Sub

'## @same phplib::template->set_file
Public Sub set_file(ByVal A_varname, ByVal A_filename)
Call SetFile(A_varname, A_filename)
End Sub

'####
'## A variable $parent may contain a variable block defined by:
'## &lt;!-- BEGIN A_varname --&gt; content &lt;!-- END A_varname --&gt;. This function removes
'## that block from $parent and replaces it with a variable reference named $name.
'## The block is inserted into the varkeys and varvals hashes. If A_name is
'## omitted, it is assumed to be the same as A_varname.
'##
'## Blocks may be nested but care must be taken to extract the blocks in order
'## from the innermost block to the outermost block.
'##
'## usage: oTemplate.SetBlock string A_parent, string A_parent, string A_name
'##
'## @param A_parent a string containing the name of the parent variable
'## @param A_varname a string containing the name of the block to be extracted
'## @param A_name the name of the variable in which to store the block
'## @access public
'##
Public Sub SetBlock(ByVal A_parent, ByVal A_varname, ByVal A_name)
'############################################################
Dim MM_String, MM_MatchString
If Debug = 4 Then Response.Write "<p><b>SetBlock:</b> parent = " & A_parent & ", varname = " & A_varname & ", name = " & A_name & "</p>" & VbCrLf
If Not loadfile(A_parent) Then
Call halt("SetBlock: unable to load " & A_parent & ".")
Exit Sub
End If
if A_name = "" Then A_name = A_varname
MM_String = GetVar(A_parent)
m_oRegExp.IgnoreCase = True
m_oRegExp.Global = True
m_oRegExp.Pattern = "<!--\s+BEGIN\s+(" & A_varname & ")\s+-->([\s\S.]*)<!--\s+END\s+\1\s+-->"
Set Matches = m_oRegExp.Execute(MM_String)
For Each Match In Matches
MM_MatchString = Match.SubMatches(1)
MM_String = m_oRegExp.Replace(MM_String, BeginTag & A_name & EndTag)
Call SetVar(A_varname,MM_MatchString)
Call SetVar(A_parent,MM_String)
Next
End Sub

'## @same phplib::template->set_block
Public Sub set_block(ByVal A_parent, ByVal A_varname, ByVal A_name)
Call SetBlock(A_parent, A_varname, A_name)
End Sub

'####
'## This functions sets the value of a variable.
'##
'## It may be called with either a varname and a value as two strings or an
'## an associative array with the key being the varname and the value being
'## the new variable value.
'##
'## The function inserts the new value of the variable into the $varkeys and
'## $varvals hashes. It is not necessary for a variable to exist in these hashes
'## before calling this function.
'##
'## usage: oTemplate.SetVar string A_varname, string A_value
'## or
'## usage: oTemplate.SetVar array( A_varname1, A_value1 _
'## ,A_varname2, A_value2 _
'## , ... , ... ) _
'## , ""
'##
'## @param A_varname either a string containing a varname or a hash of varname/value pairs.
'## @param A_value if A_varname is a string this contains the new value for the variable otherwise this parameter is ignored
'## @access public
'##
Public Sub SetVar(ByVal A_varname, ByVal A_value)
'############################################################
Dim MM_varname
If Not IsArray(A_varname) Then
If A_varname <> "" Then
If Debug = 1 Then Response.Write "<b>SetVar:</b> (with scalar) <b>" & A_varname & "</b> = " & Server.HTMLEncode(A_value) & "<br>" & VbCrLf
MM_varname = varname(A_varname)
if m_oVarKeys.Exists(A_varname) Then
m_oVarKeys.Remove A_varname
m_oVarKeys.Add A_varname, MM_varname
Else
m_oVarKeys.Add A_varname, MM_varname
End If
If m_oVarVals.Exists(A_varname) Then
m_oVarVals.Remove A_varname
m_oVarVals.Add A_varname, A_value
Else
m_oVarVals.Add A_varname, A_value
End If
End If
Else
Call SetVars(A_varname)
End If
End Sub

'####
'## usage: oTemplate.SetVar array( A_varname1, A_value1 _
'## ,A_varname2, A_value2 _
'## , ... , ... )
'## @param A_varname a hash of varname/value pairs.
'## @access public
'## @see SetVar
'##
Public Sub SetVars(ByVal A_varname)
'############################################################
Dim i, num
If IsArray(A_varname) Then
num = Ubound(A_varname)
if ((num +1) mod 2) <> 0 Then
Call halt("SetVars: For varname array's element not gemination.")
Exit Sub
Else
For i = 0 To num Step 2
Call SetVar(A_varname(i), A_varname(i+1))
Next
End If
Else
Call SetVar(A_varname, "")
End If
End Sub

'####
'## usage: oTemplate.SetAppendVar string A_varname, string A_value
'## or
'## usage: oTemplate.SetAppendVar array( A_varname1, A_value1 _
'## ,A_varname2, A_value2 _
'## , ... , ... ) _
'## , ""
'## @param A_varname either a string containing a varname or a hash of varname/value pairs.
'## @param A_value if A_varname is a string this contains the new value for the variable otherwise this parameter is ignored
'## @access public
'## @see SetVar
'##
Public Sub SetAppendVar(ByVal A_varname, ByVal A_value)
'############################################################
Dim MM_varname, MM_string
If Not IsArray(A_varname) Then
If A_varname <> "" Then
If Debug = 1 Then Response.Write "<b>SetAppendVar:</b> (with scalar) <b>" & A_varname & "</b> = " & Server.HTMLEncode(A_value) & "<br>" & VbCrLf
MM_varname = varname(A_varname)
if m_oVarKeys.Exists(A_varname) Then
m_oVarKeys.Remove A_varname
m_oVarKeys.Add A_varname, MM_varname
Else
m_oVarKeys.Add A_varname, MM_varname
End If
If m_oVarVals.Exists(A_varname) Then
MM_string = m_oVarVals.Item(A_varname) & A_value
m_oVarVals.Remove A_varname
m_oVarVals.Add A_varname, MM_string
Else
m_oVarVals.Add A_varname, A_value
End If
End If
Else
Call SetAppendVars(A_varname)
End If
End Sub

'####
'## usage: oTemplate.SetAppendVars array( A_varname1, A_value1 _
'## ,A_varname2, A_value2 _
'## , ... , ... )
'## @param A_varname a hash of varname/value pairs.
'## @access public
'## @see SetVar
'##
Public Sub SetAppendVars(ByVal A_varname)
'############################################################
Dim i, num
If IsArray(A_varname) Then
num = Ubound(A_varname)
if ((num +1) mod 2) <> 0 Then
Call halt("SetVars: For varname array's element not gemination.")
Exit Sub
Else
For i = 0 To num Step 2
Call SetAppendVar(A_varname(i), A_varname(i+1))
Next
End If
Else
Call SetAppendVar(A_varname, "")
End If
End Sub

'####
'##
'## @same phplib::template->set_var
'##
Public Sub set_var(ByVal A_varname, ByVal A_value, ByVal A_append)
'############################################################
If CBool(A_append) = True Then
If Not IsArray(A_varname) Then
Call SetAppendVar(A_varname, A_value)
Else
Call SetAppendVars(A_varname, A_value)
End If
Else
If Not IsArray(A_varname) Then
Call SetVar(A_varname, A_value)
Else
Call SetVars(A_varname, A_value)
End If
End If
End Sub

'####
'## This function fills in all the variables contained within the variable named
'## A_varname. The resulting value is returned as the function result and the
'## original value of the variable varname is not changed. The resulting string
'## is not "finished", that is, the unresolved variable name policy has not been
'## applied yet.
'##
'## Returns: the value of the variable $varname with all variables substituted.
'##
'## usage: SubString(string A_varname)
'##
'## @param A_varname the name of the variable within which variables are to be substituted
'## @access public
'## @return string
'##
Public Function SubString(ByVal A_varname)
'############################################################
Dim MM_String
If Debug = 4 Then Response.Write "<p><b>SubString:</b> varname = " & A_varname & "</p>" & VbCrLf
If Not loadfile(A_varname) Then
Call halt("SubString: unable to load " & A_varname & ".")
End If
MM_String = GetVar(A_varname)
m_oRegExp.IgnoreCase = True
m_oRegExp.Global = True
m_oRegExp.Pattern = "(" & BeginTag & ")([^ \t\r\n" & EndTag &"]+)" & EndTag
Set Matches = m_oRegExp.Execute(MM_String)
For Each Match In Matches
if m_oVarVals.Exists(Match.SubMatches(1)) Then
m_oRegExp.Pattern = Match.Value
MM_String = m_oRegExp.Replace(MM_String, m_oVarVals.Item(Match.SubMatches(1)))
End If
Next
SubString = MM_String
End Function

'####
'##
'## @same phplib::template->subst
'##
Public Function subst(ByVal A_varname)
subst = SubString(A_varname)
End Function

'####
'## This is shorthand for print SubString(A_varname). See SubString for further
'## details.
'##
'## usage: oTemplate.WriteSubString string A_varname
'##
'## @param A_varname the name of the variable within which variables are to be substituted
'## @access public
'## @see SubString
'##
Public Sub WriteSubString(ByVal A_varname)
'############################################################
If Debug = 4 Then Response.Write "<p><b>WriteSubString:</b> varname = " & A_varname & "</p>" & VbCrLf
Response.Write SubString(A_varname)
End Sub

'####
'##
'## @same phplib::template->psubst
'##
Public Sub psubst(ByVal A_varname)
Call WriteSubString(A_varname)
End Sub

'####
'## The function substitutes the values of all defined variables in the variable
'## named A_varname and stores or appends the result in the variable named A_target.
'##
'## It may be called with either a target and a varname as two strings or a
'## target as a string and an array of variable names in varname.
'##
'## The function inserts the new value of the variable into the oVarVeys and
'## $varvals hashes. It is not necessary for a variable to exist in these hashes
'## before calling this function.
'##
'## An optional third parameter allows the value for each varname to be appended
'## to the existing target variable instead of replacing it. The default is to
'## replace.
'##
'## If A_target and A_varname are both strings, the substituted value of the
'## variable A_varname is inserted into or appended to A_target.
'##
'## Returns: the last value assigned to A_target.
'##
'## usage: oTemplate.Parse string A_target, string A_varname, boolean A_append
'## usage: string = oTemplate.Parse( string A_target, string A_varname, boolean A_append )
'## or
'## usage: oTemplate.Parse string A_target, array(A_varname1, A_varname2, ...) , boolean A_append
'## usage: string = oTemplate.Parse( string A_target, array(A_varname1, A_varname2, ...), boolean A_append)
'##
'## @param A_target a string containing the name of the variable into which substituted $varnames are to be stored
'## @param A_varname if a string, the name the name of the variable to substitute or if an array a list of variables to be substituted
'## @param A_append if true, the substituted variables are appended to $target otherwise the existing value of $target is replaced
'## @access public
'## @return string
'## @see SubString
'##
'## @same phplib::template->pparse
'##
Public Function Parse(ByVal A_target, ByVal A_varname, ByVal A_append)
'############################################################
Dim MM_String, i, num
If Not IsArray(A_varname) Then
If Debug = 4 Then Response.Write "<p><b>Parse:</b> (with scalar) target = " & A_target & ", varname = " & A_varname & ", append = " & A_append & "</p>" & VbCrLf
MM_String = SubString(A_varname)
if A_append = True Then
MM_String = GetVar(A_target) & MM_String
Call SetVar(A_target, MM_String)
Else
Call SetVar(A_target, MM_String)
End If
Else
num = Ubound(A_varname)
For i = 0 To num
If Debug = 4 Then Response.Write "<p><b>Parse:</b> (with array) target = " & A_target & ", varname = " & A_varname(i) & ", append = " & A_append & "</p>" & VbCrLf
MM_String = SubString(A_varname(i))
if A_append = True Then
MM_String = GetVar(A_target) & MM_String
Call SetVar(A_target, MM_String)
Else
Call SetVar(A_target, MM_String)
End If
Next
End If

If Debug = 4 Then Response.Write "<p><b>Parse:</b> completed</p>" & VbCrLf
Parse = MM_String
End Function

'####
'## This is shorthand for print Parse(...) and is functionally identical.
'## See Parse for further details.
'##
'## Returns: always returns void.
'##
'## usage: oTemplate.Write string A_target, string A_varname
'##
'## @param A_target a string containing the name of the variable into which substituted $varnames are to be stored
'## @param A_varname if a string, the name the name of the variable to substitute or if an array a list of variables to be substituted
'## @access public
'## @return void
'## @see Parse
'##
Public Sub Write(ByVal A_target, ByVal A_varname)
'############################################################
Dim MM_string
If Debug = 4 Then Response.Write "<p><b>Write:</b> passing parameters to parse...</p>" & VbCrLf
MM_string = Parse(A_target, A_varname, False)
MM_string = Finish(MM_string)
Response.Write MM_string
End Sub

'####
'##
'## @see Write
'##
Public Sub AppendWrite(ByVal A_target, ByVal A_varname)
'############################################################
Dim MM_string
If Debug = 4 Then Response.Write "<p><b>Write:</b> passing parameters to parse...</p>" & VbCrLf
MM_string = Parse(A_target, A_varname, True)
MM_string = Finish(MM_string)
Response.Write MM_string
End Sub

'####
'##
'## @same phplib::template->pparse
'##
Public Sub pparse(ByVal A_target, ByVal A_varname, ByVal A_append)
'############################################################
If CBool(A_append) = True Then
Call AppendWrite(A_target, A_varname)
Else
Call Write(A_target, A_varname)
End If
End Sub

'####
'## This function returns an associative object of all defined variables with the
'## name as the key and the value of the variable as the value.
'##
'## This is mostly useful for debugging. Also note that $this->debug can be used
'## to echo all variable assignments as they occur and to trace execution.
'##
'## Returns: a hash of all defined variable values keyed by their names.
'##
'## usage: oTemplate.get_vars()
'##
'## @access public
'## @return object
'##
Public Function GetVars()
'############################################################
If Debug = 4 Then Response.Write "<p><b>GetVars:</b> constructing dictionary of vars...</p>" & VbCrLf
Set GetVars = m_oVarVals
End Function

'####
'##
'## @same phplib::template->get_vars
'##
Public Function get_vars()
Set get_vars = GetVars()
End Function

'####
'## This function returns the value of the variable named by A_varname.
'## If A_varname references a file and that file has not been loaded yet, the
'## variable will be reported as empty.
'##
'## When called with an array of variable names this function will return a a
'## hash of variable values keyed by their names.
'##
'## Returns: a string or an array containing the value of $varname.
'##
'## usage: GetVar(string A_varname)
'## or
'## usage: GetVar(array A_varname)
'##
'## @param A_varname if a string, the name the name of the variable to get the value of, or if an array a list of variables to return the value of
'## @access public
'## @return string or object
'##
Public Function GetVar(ByVal A_varname)
'############################################################
Dim MM_String, MM_oVars, i, num
If Not IsArray(A_varname) Then
'MM_String = ""
if A_varname <> "" Then
If m_oVarVals.Exists(A_varname) Then
MM_String = m_oVarVals.Item(A_varname)
End If
End If
If Debug = 2 Then Response.Write "<b>GetVar:</b> (with scalar) <b>" & A_varname & "</b> = " & Server.HTMLEncode(MM_String) & "<br>" & VbCrLf
GetVar = MM_String
Else
Set MM_oVars = CreateObject("Scripting.Dictionary")
num = UBound(A_varname)
For i=0 To num
If m_oVarVals.Exists(A_varname(i)) Then
MM_String = m_oVarVals.Item(A_varname(i))
MM_oVars.Add A_varname(i), MM_String
End If
If Debug = 2 Then Response.Write "<b>GetVar:</b> (with array) <b>" & A_varname(i) & "</b> = " & Server.HTMLEncode(MM_String) & "<br>" & VbCrLf
Next
Set GetVar = MM_oVars
End If
End Function

'####
'##
'## @same phplib::template->get_var
'##
Public Function get_var(ByVal A_varname)
If Not IsArray(A_varname) Then
get_var = GetVar(A_varname)
Else
Set get_var = GetVar(A_varname)
End If
End Function

'####
'## This functions clears the value of a variable.
'##
'## It may be called with either a varname as a string or an array with the
'## values being the varnames to be cleared.
'##
'## The function sets the value of the variable in the oVarKeys and oVarVals
'## hashes to "". It is not necessary for a variable to exist in these hashes
'## before calling this function.
'##
'##
'## usage: oTemplate.ClearVar string A_varname
'## or
'## usage: oTemplate.ClearVar array (A_varname1, A_varname2, ...)
'##
'## @param $varname either a string containing a varname or an array of varnames.
'## @access public
'## @return void
'##
Public Sub ClearVar(ByVal A_varname)
'############################################################
Dim i, num
If Not IsArray(A_varname) Then
If A_varname <> "" Then
If Debug = 1 Then Response.Write "<b>clear_var:</b> (with scalar) <b>" & A_varname & "</b><br>" & VbCrLf
Call SetVar(A_varname, "")
End If
Else
num = UBound(A_varname)
For i=0 To num
If Debug = 1 Then Response.Write "<b>clear_var:</b> (with array) <b>" & A_varname(i) & "</b><br>" & VbCrLf
Call SetVar(A_varname(i), "")
Next
End If
End Sub

'####
'##
'## @same phplib::template->clear_var
'##
Public Sub clear_var(ByVal A_varname)
Call ClearVar(A_varname)
End Sub

'####
'## This functions unsets a variable completely.
'##
'## It may be called with either a varname as a string or an array with the
'## values being the varnames to be cleared.
'##
'## The function removes the variable from the oVarKeys and oVarVals hashes.
'## It is not necessary for a variable to exist in these hashes before calling
'## this function.
'##
'##
'## usage: oTemplate.unSetVar string A_varname
'## or
'## usage: oTemplate.unSetVar array(A_varname1, A_varname2, ...)
'##
'## @param A_varname either a string containing a varname or an array of varnames.
'## @access public
'##
Public Sub unSetVar(ByVal A_varname)
'############################################################
Dim i, num
If Not IsArray(A_varname) Then
If A_varname <> "" Then
If Debug = 1 Then Response.Write "<b>unSetVar:</b> (with scalar) <b>" & A_varname & "</b><br>" & VbCrLf
If m_oVarKeys.Exists(A_varname) Then
m_oVarKeys.Remove A_varname
End If
If m_oVarVals.Exists(A_varname) Then
m_oVarVals.Remove A_varname
End If
End If
Else
num = UBound(A_varname)
For i=0 To num
If A_varname(i) <> "" Then
If Debug = 1 Then Response.Write "<b>unSetVar:</b> (with array) <b>" & A_varname & "</b><br>" & VbCrLf
If m_oVarKeys.Exists(A_varname(i)) Then
m_oVarKeys.Remove A_varname(i)
End If
If m_oVarVals.Exists(A_varname(i)) Then
m_oVarVals.Remove A_varname(i)
End If
End If
Next
End If
End Sub

'####
'##
'## @same phplib::template->unset_var
'##
Public Sub unset_var(ByVal A_varname)
Call unSetVar(A_varname)
End Sub


'####
'## This function returns a hash of unresolved variable names in A_varname, keyed
'## by their names.
'##
'## Returns: a hash of varname/varname pairs or false on error.
'##
'## usage: GetUndefined(string A_varname)
'##
'## @param A_varname a string containing the name the name of the variable to scan for unresolved variables
'## @access public
'## @return array
'##
Public Function GetUndefined(ByVal A_varname)
'############################################################
Dim MM_String, MM_result
If Debug = 4 Then Response.Write "<p><b>GetUndefined:</b> varname = " & A_varname & "</p>" & VbCrLf
If Not loadfile(A_varname) Then
Call halt("get_undefined: unable to load " & A_varname & ".")
GetUndefined = False
Exit Function
End If
MM_String = GetVar(A_varname)
'Set MM_result = CreateObject("Scripting.Dictionary")
m_oRegExp.IgnoreCase = True
m_oRegExp.Global = True
m_oRegExp.Pattern = "(" & BeginTag & ")([^ \t\r\n" & EndTag &"]+)" & EndTag
Set Matches = m_oRegExp.Execute(MM_String)
i = 0
For Each Match In Matches
if Not m_oVarVals.Exists(Match.SubMatches(1)) Then
If Debug = 4 Then Response.Write "<p><b>get_undefined:</b> undefined: " & SubMatches(1) & "</p>" & VbCrLf
'MM_result.Add Match.SubMatches(1), Match.SubMatches(1)
MM_result(i) = Match.SubMatches(1)
i = i + 1
End If
Next
'if MM_result.Count > 0 Then
' Set GetUndefined = MM_result
If IsArray(MM_result) Then
GetUndefined = MM_result
Else
GetUndefined = False
End If
End Function

'####
'##
'## @same phplib::template->get_undefined
'##
Public Function get_undefined(ByVal A_varname)
'############################################################
get_undefined = GetUndefined
End Function

'####
'## This function returns the finished version of $str. That is, the policy
'## regarding unresolved variable names will be applied to $str.
'##
'## Returns: a finished string derived from A_String and unknowns.
'##
'## usage: Finish(string A_String)
'##
'## @param A_String a string to which to apply the unresolved variable policy
'## @access public
'## @return string
'## @see Unknowns, SetUnknowns, set_unknowns
'##
Public Function Finish(ByVal A_String)
'############################################################
Dim MM_String
Select Case Unknowns
case "keep"
MM_String = A_String
case "remove"
m_oRegExp.IgnoreCase = True
m_oRegExp.Global = True
m_oRegExp.Pattern = "(" & BeginTag & ")([^ \t\r\n" & EndTag &"]+)" & EndTag
MM_String = m_oRegExp.Replace(A_String, "")
case "comment"
m_oRegExp.IgnoreCase = True
m_oRegExp.Global = True
m_oRegExp.Pattern = "(" & BeginTag & ")([^ \t\r\n" & EndTag &"]+)" & EndTag
Set Matches = m_oRegExp.Execute(A_String)
For Each Match In Matches
MM_String = m_oRegExp.Replace(A_String, "<!-- Template variable " & Match.SubMatches(1) &" undefined -->")
Next
End Select
Finish = MM_String
End Function


'####
'## This function returns the finished version of the value of the variable named
'## by $varname. That is, the policy regarding unresolved variable names will be
'## applied to the variable A_varname and the result returned.
'##
'## Returns: a finished string derived from the variable A_varname.
'##
'## usage: oTemplate.GetVariable(string A_varname)
'##
'## @param A_varname a string containing the name of the variable to finish
'## @access public
'## @return string
'## @see SetUnknowns
'## @see Finish
'##
Public Function GetVariable(ByVal A_varname)
'############################################################
GetVariable = Finish(GetVar(A_varname))
End Function

'Public Function get(ByVal A_varname)
'冲突不支持
'End Function

'####
'## This function prints the finished version of the value of the variable named
'## by $varname. That is, the policy regarding unresolved variable names will be
'## applied to the variable A_varname then it will be printed.
'##
'## usage: oTemplate.WriteVariable string A_varname
'##
'## @param A_varname a string containing the name of the variable to finish and print
'## @access public
'## @see SetUnknowns
'## @see Finish
'##
Public Sub WriteVariable(ByVal A_varname)
'############################################################
Response.Write Finish(GetVal(A_varname))
End Sub

'####
'##
'## @see WriteVariable
'## @same phplib::template->p
'##
Public Sub p(ByVal A_varname)
Call WriteVariable(A_varname)
End Sub

'####
'## When called with a relative pathname, this function will return the pathname
'## with Root prepended. Absolute pathnames are returned unchanged.
'##
'## Returns: a string containing an absolute pathname.
'##
'## usage: filename(string A_filename)
'##
'## @param A_filename a string containing a filename
'## @access private
'## @return string
'## @see Root, SetRoot
'##
'## @same phplib::template->filename
'##
Private Function filename(ByVal A_filename)
'############################################################
Dim MM_FSO, MM_filename, MM_TempFilename, rs, sql
If Debug = 4 Then Response.Write "<p><b>filename:</b> filename = " & A_filename & "</p>" & VbCrLf
If Mode = "file" Then
Set MM_FSO = CreateObject("Scripting.FileSystemObject")
If Left(A_filename, 1) = "/" Then
A_filename = Right(A_filename, len(A_filename) - 1)
End If
A_filename = Root & A_filename
A_filename = Server.MapPath(A_filename)
If Not MM_FSO.FileExists(A_filename) Then
Call halt("filename: file " & A_filename & " does not exist.")
Else
MM_filename = A_filename
End If
ElseIf Mode = "db" Then
A_filename = Split(A_filename, ".")
MM_TempFilename = A_filename(0)
sql = "SELECT tpldata_id FROM " & DataTable & " WHERE tplcat_id =" & Root &" AND tpldata_name='" & MM_TempFilename &"'"
Set rs = Server.CreateObject("ADODB.Recordset")
rs.Open sql, m_oConn, AdOpenForwardOnly, AdLockReadOnly, adCmdText
If rs.EOF Then
Call halt("filename: file " & MM_TempFilename & " does not exist.")
Else
MM_filename = rs("tpldata_id")
End If
Set rs = Nothing
If Debug = 3 Then Response.Write "<p><b>filename:</b> sql = " & sql & "</p>" & VbCrLf
End If
filename = MM_filename
End Function

'####
'## If a variable's value is undefined and the variable has a filename stored in
'## ofile.Item(A_varname) then the backing file will be loaded and the file's
'## contents will be assigned as the variable's value.
'##
'## Note that the behaviour of this function changed slightly after the 7.2d
'## release. Where previously a variable was reloaded from file if the value
'## was empty, now this is not done. This allows a variable to be loaded then
'## set to "", and also prevents attempts to load empty variables. Files are
'## now only loaded if oVarVals.Item(A_varname) is unset.
'##
'## Returns: true on success, false on error.
'##
'## usage: loadfile(string A_varname)
'##
'## @param A_varname a string containing the name of a variable to load
'## @access private
'## @return boolean
'## @see SetFile, SetFiles
'##
'## @same phplib::template->loadfile
'##
Private Function loadfile(ByVal A_varname)
'############################################################
Dim MM_FSO, MM_oFile, MM_filename, MM_FileSting, MM_bool
If Debug = 4 Then Response.Write "<p><b>loadfile:</b> varname = " & A_varname & "</p>" & VbCrLf
MM_bool = true
If Not m_oFile.Exists(A_varname) Then
loadfile = MM_bool
If Debug = 4 Then Response.Write "<p><b>loadfile:</b> varname " & A_varname & " does not reference a file</p>" & VbCrLf
Exit Function
End If
If m_oVarVals.Exists(A_varname) Then
loadfile = MM_bool
If Debug = 4 Then Response.Write "<p><b>loadfile:</b> varname " & A_varname & " is already loaded</p>" & VbCrLf
Exit Function
End If
MM_filename = m_oFile.Item(A_varname)
If Mode = "file" Then
Set MM_FSO = CreateObject("Scripting.FileSystemObject")
Set MM_oFile = MM_FSO.OpenTextFile(MM_filename)
MM_FileSting = MM_oFile.ReadAll
'MM_FileSting = Trim(MM_FileSting)
If MM_FileSting = "" Then
MM_bool = false
Call halt("loadfile: While loading " & A_varname & ", " & MM_filename & " does not exist or is empty.")
Else
If Debug = 4 Then Response.Write "<b>loadfile:</b> loaded " & MM_filename & " into " & A_varname & "<br>" & VbCrLf
Call SetVar(A_varname, MM_FileSting)
End If
MM_oFile.Close
Set MM_oFile = Nothing
set FSO = nothing
ElseIf Mode = "db" Then
sql = "SELECT tpldata_text FROM " & DataTable & " WHERE tpldata_id =" & MM_filename
Set rs = Server.CreateObject("ADODB.Recordset")
rs.Open sql, m_oConn, AdOpenForwardOnly, AdLockReadOnly, adCmdText
If rs.EOF Then
MM_bool = false
Call halt("filename: file " & MM_TempFilename & " does not exist.")
Else
MM_FileSting = rs("tpldata_text")
Call SetVar(A_varname, MM_FileSting)
End If
Set rs = Nothing
If Debug = 3 Then Response.Write "<p><b>loadfile:</b> sql = " & sql & "</p>" & VbCrLf
End If
loadfile = MM_bool
End Function

'####
'## This function will construct a regexp for a given variable name with any
'## special chars quoted.
'##
'## Returns: a string containing an escaped variable name.
'##
'## usage: varname(string A_varname)
'##
'## @param A_varname a string containing a variable name
'## @access private
'## @return string
'## @same phplib::template->varname
'##
Private Function varname(ByVal A_varname)
'############################################################
varname = BeginTag & A_varname & EndTag
End Function

'####
'## This function is called whenever an error occurs and will handle the error
'## according to the policy defined in IsHalt. Additionally the
'## error message will be saved in m_strLastError.
'##
'## Returns: always returns false.
'##
'## usage: halt(string A_message)
'##
'## @param $msg a string containing an error message
'## @access private
'## @return void
'## @see IsHalt
'##
Private Sub halt(ByVal A_message)
'############################################################
m_strLastError = A_message
If IsHalt <> "no" Then Call haltmsg(A_message)
If IsHalt = "yes" Then
Response.Write "<b>Halted.</b>"
Response.End
End If
End Sub

'####
'## This function prints an error message.
'## It can be overridden by your subclass of Template. It will be called with an
'## error message to display.
'##
'## usage: haltmsg(string A_message)
'##
'## @param A_message a string containing the error message to display
'## @access public
'## @return void
'## @see halt
'##
Public Sub haltmsg(ByVal A_message)
'############################################################
Response.Write "<b>Template Error:</b>" & A_message & "<br>"
End Sub

'####
'## Class constructor, set class default attributes, you can change it
'## @see Property Let Debug
'## @see Property Let Mode
'## @see Property Let CatTable
'## @see Property Let DataTable
'## @see Property Let Unknown
'## @see Property Let IsHalt
'## @see Property Let BeginTag
'## @see Property Let EndTag
'####
Private Sub class_Initialize
Debug = 0
Mode = "file"
CatTable = "TplCat"
DataTable = "TplData"
Unknowns = "remove"
IsHalt = "yes"
m_strLastError = ""
BeginTag = "{"
EndTag = "}"
m_Root = "templates/"
Set m_oFile = CreateObject("Scripting.Dictionary")
Set m_oVarKeys = CreateObject("Scripting.Dictionary")
Set m_oVarVals = CreateObject("Scripting.Dictionary")
Set m_oRegExp = New RegExp

m_blnConnectionState = False

m_strName = "aspTemplate"
m_strVersion = "2.0.0"

If Debug = 4 Then Response.Write "<p><b>Template:</b> root = " & m_Root & ", unknowns = " & Unknowns & "</p>" & VbCrLf

End Sub

'####
'## Class destructor, free memory.
'####
Private Sub class_Terminate
Set m_oFile = Nothing
Set m_oVarKeys = Nothing
Set m_oVarVals = Nothing
Set m_oRegExp = Nothing
Call CloseTemplateDatabase()
End Sub

End Class

%>