BinaryTagFind

Finds the next binary tag.

Syntax:

BinaryTagFind( tag-struct )

Parameters:

(s) tag-struct: Structure returned from BinaryTagInit.

Returns:

(s) returns a binary tag structure string, or "" on failure.

 

Note: This function is useful for editing HTML.

Example:


;BinaryTag Example 2 - Substitution in GoSubs
;Set up test case
;Setup input and output file names
filedata=StrCat(DirGet(),"filedata.txt")
filerslt=StrCat(DirGet(),"filerslt.txt")
;Set up a sample file for this example.
;Presumably you could have a library of these
;to choose from, making form letters easy to
;automate.
fhandle=FileOpen(filedata,"WRITE")
FileWrite(fhandle,"{{date}}")
FileWrite(fhandle,"")
FileWrite(fhandle,"Dear {{name}}")
FileWrite(fhandle,"Thank you for your recent purchase of")
FileWrite(fhandle,"our new {{product}}.")
FileWrite(fhandle,"")
FileWrite(fhandle,"Please feel free to call if you have ")
FileWrite(fhandle,"any questions.")
FileWrite(fhandle,"")
FileWrite(fhandle,"{{salesperson}}")
FileWrite(fhandle,"{{salespersonphone}}")
FileClose(fhandle)
; Allocate a buffer much larger than required.
bb=BinaryAlloc(10000)
;Using {{ and }} for open and close tags around keywords
structure=BinaryTagInit(bb,"{{","}}")
;Not necessary in this example, but allows reuse of a
;BinaryBuffer if this code is placed in a loop editing
;multiple files.
BinaryEodSet(bb,0)
;Read data into the BinaryBuffer
BinaryRead(bb,filedata)
While 1
   structure=BinaryTagFind(structure)
   If structure=="" Then Break ; All done
   keyword=BinaryTagExtr(structure, 1)
   Value="???" ; keyword not found error value
   GoSub %keyword%
   structure = BinaryTagRepl(structure,Value)
EndWhile
BinaryWrite(bb,filerslt)
BinaryFree(bb)
Message("Result in",filerslt)
Exit
:date
Value=TimeDate()
Return
:name
Value="Ms. Jamie Dough"
Return
:product
Value="Analog Osscilosophilator"
Return
:salesperson
Value="Fred Ficklemeyer"
Return
:salespersonphone
Value="888.555.1234"
Return
See Also:

BinaryTagInit, BinaryTagExtr, BinaryTagRepl