92 lines
3.7 KiB
Standard ML
92 lines
3.7 KiB
Standard ML
(*****************************************************************************
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* su4sml --- an SML repository for managing (Secure)UML/OCL models
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* http://projects.brucker.ch/su4sml/
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*
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* xmltree_parser.sml --- an xmi-parser for the import interface for su4sml
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* This file is part of su4sml.
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*
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* Copyright (c) 2005-2007, ETH Zurich, Switzerland
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************)
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(* $Id$ *)
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structure XmlTreeParser : sig
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val readFile : string -> XmlTree.Tree
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end =
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struct
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open XmlTree
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exception FileNotFound of string
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structure Parser = Parse (structure Dtd = Dtd
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structure Hooks = XmlTreeHooks
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structure ParserOptions = ParserOptions ()
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structure Resolve = ResolveNull)
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fun readFile filename =
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let val currentDir = OS.FileSys.getDir()
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(* how to do the following in a clean/portable way? *)
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fun read_dtd dtd =
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(OS.FileSys.chDir (Config.su4sml_share());
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(* check to see if the DTD file exists. *)
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if OS.FileSys.access (Config.umlocl_dtd,[]) then
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(Parser.parseDocument
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(SOME (Uri.String2Uri ("file:"^(Config.umlocl_dtd))))
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(SOME dtd) (dtd,nil,nil))
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else Logger.error ("Error while reading UML/OCL DTD `"^(Config.umlocl_dtd)^"': "^
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"no such file or directory");
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OS.FileSys.chDir currentDir)
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fun read_file dtd filename =
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if filename = "-"
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then Parser.parseDocument
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(NONE)
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(SOME dtd) (dtd,nil,nil)
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else let (* dummy check to see if the file exists...*)
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val _ = OS.FileSys.fileSize filename
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in
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Parser.parseDocument
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(SOME (Uri.String2Uri filename))
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(SOME dtd) (dtd,nil,nil)
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end
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handle ex => (Logger.warn ("Error while reading file " ^filename^": "^
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General.exnMessage ex);
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raise ex)
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val dtd = Dtd.initDtdTables()
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in ( read_dtd dtd;
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read_file dtd filename )
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end
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end
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