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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 | |
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16 | //AGV 060302: Input from std::istream |
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17 | // AGV 130302: bug corr: was error if strlen(root_elem_name) < 7 |
18 | |
19 | #ifndef LDOM_XmlReader_HeaderFile |
20 | #define LDOM_XmlReader_HeaderFile |
21 | |
22 | //#define XML_BUFFER_SIZE 1000 |
23 | #define XML_BUFFER_SIZE 20480 |
24 | |
25 | #include <LDOM_BasicElement.hxx> |
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26 | #include <LDOM_OSStream.hxx> |
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27 | |
28 | class TCollection_AsciiString; |
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29 | |
30 | // Class LDOM_XmlReader |
31 | // |
32 | |
33 | class LDOM_XmlReader |
34 | { |
35 | public: |
36 | enum RecordType { |
37 | XML_UNKNOWN, |
38 | XML_HEADER, |
39 | XML_DOCTYPE, |
40 | XML_COMMENT, |
41 | XML_START_ELEMENT, |
42 | XML_END_ELEMENT, |
43 | XML_FULL_ELEMENT, |
44 | XML_TEXT, |
45 | XML_CDATA, |
46 | XML_EOF |
47 | }; |
48 | |
49 | // ---------- PUBLIC METHODS ---------- |
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50 | LDOM_XmlReader (const Handle(LDOM_MemManager)& aDocument, |
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51 | TCollection_AsciiString& anErrorString, |
52 | const Standard_Boolean theTagPerStep = Standard_False); |
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53 | // Constructor - takes a file descriptor for input |
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54 | // Constructor - takes an std::istream for input |
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55 | |
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56 | RecordType ReadRecord (Standard_IStream& theIStream, |
57 | LDOM_OSStream& theData, |
58 | Standard_Boolean& theDocStart); |
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59 | // reading a markup or other element of XML format |
60 | |
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61 | LDOM_BasicElement& GetElement() const { return * myElement; } |
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62 | // get the last element retrieved from the stream |
63 | |
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64 | void CreateElement (const char *theName, const Standard_Integer theLen); |
65 | |
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66 | static Standard_Boolean getInteger (LDOMBasicString& theValue, |
67 | const char * theStart, |
68 | const char * theEnd); |
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69 | // try convert string theStart to LDOM_AsciiInteger, return False on success |
70 | |
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71 | // Returns the byte order mask defined at the start of a stream |
72 | LDOM_OSStream::BOMType GetBOM() const { return myBOM; } |
73 | |
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74 | private: |
75 | // ---------- PRIVATE (PROHIBITED) METHODS ---------- |
76 | LDOM_XmlReader (const LDOM_XmlReader& theOther); |
77 | // Copy constructor |
78 | |
79 | LDOM_XmlReader& operator = (const LDOM_XmlReader& theOther); |
80 | // Assignment |
81 | |
82 | private: |
83 | // ---------- PRIVATE FIELDS ---------- |
84 | |
85 | Standard_Boolean myEOF; |
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86 | TCollection_AsciiString & myError; |
87 | Handle(LDOM_MemManager) myDocument; |
88 | LDOM_BasicElement * myElement; |
89 | const LDOM_BasicNode * myLastChild; // optim. reading attributes |
90 | const char * myPtr; |
91 | const char * myEndPtr; |
92 | char myBuffer [XML_BUFFER_SIZE+4]; |
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93 | Standard_Boolean myTagPerStep; |
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94 | LDOM_OSStream::BOMType myBOM; |
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95 | }; |
96 | |
97 | #endif |