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1 | // Created on: 2001-07-20 |
2 | // Created by: Alexander GRIGORIEV |
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3 | // Copyright (c) 2001-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | //AGV 060302: Input from istream |
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17 | |
18 | #ifndef LDOMParser_HeaderFile |
19 | #define LDOMParser_HeaderFile |
20 | |
21 | #include <LDOM_Document.hxx> |
22 | #include <LDOM_OSStream.hxx> |
23 | |
24 | class LDOM_XmlReader; |
25 | //class istream; |
26 | |
27 | // Class LDOMParser |
28 | // |
29 | |
30 | class LDOMParser |
31 | { |
32 | public: |
33 | // ---------- PUBLIC METHODS ---------- |
34 | |
35 | LDOMParser () : myReader (NULL), myCurrentData (16384) {} |
36 | // Empty constructor |
37 | |
38 | virtual Standard_EXPORT ~LDOMParser (); |
39 | // Destructor |
40 | |
41 | Standard_EXPORT LDOM_Document |
42 | getDocument (); |
43 | // Get the LDOM_Document |
44 | |
45 | Standard_EXPORT Standard_Boolean |
46 | parse (const char * const aFileName); |
47 | // Parse a file |
48 | // Returns True if error occurred, then GetError() can be called |
49 | |
50 | Standard_EXPORT Standard_Boolean |
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51 | parse (istream& anInput, |
52 | const Standard_Boolean theTagPerStep = Standard_False, |
53 | const Standard_Boolean theWithoutRoot = Standard_False); |
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54 | // Parse a C++ stream |
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55 | // theTagPerStep - if true - extract characters from anInput until '>' |
56 | // extracted character and parse only these characters. |
57 | // if false - extract until eof |
58 | // theWithoutRoot - if true - create fictive "document" element before parsing |
59 | // and consider that document start element has been already read |
60 | // - if false - parse a document as usual (parse header, document tag and etc) |
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61 | // Returns True if error occurred, then GetError() can be called |
62 | |
63 | Standard_EXPORT const TCollection_AsciiString& |
64 | GetError (TCollection_AsciiString& aData) const; |
65 | // Return text describing a parsing error, or Empty if no error occurred |
66 | |
67 | protected: |
68 | // ---------- PROTECTED METHODS ---------- |
69 | |
70 | Standard_EXPORT virtual Standard_Boolean |
71 | startElement (); |
72 | // virtual hook on 'StartElement' event for descendant classes |
73 | |
74 | Standard_EXPORT virtual Standard_Boolean |
75 | endElement (); |
76 | // virtual hook on 'EndElement' event for descendant classes |
77 | |
78 | Standard_EXPORT LDOM_Element |
79 | getCurrentElement () const; |
80 | // to be called from startElement() and endElement() |
81 | |
82 | private: |
83 | // ---------- PRIVATE METHODS ---------- |
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84 | Standard_Boolean ParseDocument (Standard_IStream& theIStream, const Standard_Boolean theWithoutRoot = Standard_False); |
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85 | |
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86 | Standard_Boolean ParseElement (Standard_IStream& theIStream); |
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87 | |
88 | // ---------- PRIVATE (PROHIBITED) METHODS ---------- |
89 | |
90 | LDOMParser (const LDOMParser& theOther); |
91 | // Copy constructor |
92 | |
93 | LDOMParser& operator = (const LDOMParser& theOther); |
94 | // Assignment |
95 | |
96 | private: |
97 | // ---------- PRIVATE FIELDS ---------- |
98 | |
99 | LDOM_XmlReader * myReader; |
100 | Handle(LDOM_MemManager) myDocument; |
101 | LDOM_OSStream myCurrentData; |
102 | TCollection_AsciiString myError; |
103 | }; |
104 | |
105 | #endif |