Annotation of parser3/src/types/pa_vxdoc.h, revision 1.9
1.1 parser 1: /** @file
1.5 parser 2: Parser: @b xdoc parser class decl.
1.1 parser 3:
4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
5: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
6:
1.9 ! parser 7: $Id: pa_vxdoc.h,v 1.8 2001/10/18 13:43:24 parser Exp $
1.1 parser 8: */
9:
10: #ifndef PA_VXDOC_H
11: #define PA_VXDOC_H
12:
13: #include "classes.h"
14: #include "pa_common.h"
15: #include "pa_vstateless_object.h"
16: #include "pa_vxnode.h"
17:
1.2 parser 18: #include <sax/HandlerBase.hpp>
1.1 parser 19: #include <XercesParserLiaison/XercesParserLiaison.hpp>
1.5 parser 20: #include "XalanTransformer2.hpp"
1.1 parser 21: #include <XalanTransformer/XalanParsedSource.hpp>
22: #include <XalanSourceTree/XalanSourceTreeParserLiaison.hpp>
23:
24: extern Methoded *Xdoc_class;
25:
26: void VXdoc_cleanup(void *);
27:
1.5 parser 28: /// value of type 'xdoc'. implemented with XalanDocument & co
1.1 parser 29: class VXdoc : public VXnode {
30: friend void VXdoc_cleanup(void *);
31: public: // Value
1.4 parser 32:
1.6 parser 33: const char *type() const { return "xdoc"; }
34:
1.4 parser 35: /// VXdoc: true
36: bool as_bool() const { return true; }
37:
38: /// VXdoc: true
39: Value *as_expr_result(bool return_string_as_is=false) { return NEW VBool(pool(), as_bool()); }
1.1 parser 40:
1.6 parser 41: /// VXnode: $CLASS,$method, fields
42: Value *get_element(const String& name);
43:
1.1 parser 44: protected: // VAliased
45:
46: /// disable .CLASS element. @see VAliased::get_element
47: bool hide_class() { return true; }
48:
49: public: // VDNode
50:
51: XalanNode &get_node(Pool& pool, const String *source) {
52: return get_document(pool, source);
53: }
54:
55: public: // usage
56:
1.8 parser 57: VXdoc(Pool& apool, XalanDocument *adocument, bool aowns) : VXnode(apool, 0, *Xdoc_class),
1.1 parser 58: ftransformer(0),
1.2 parser 59: fparser_liaison(0), ferror_handler(0),
1.1 parser 60: fparsed_source(0),
1.8 parser 61: fdocument(adocument), fowns_document(aowns) {
1.1 parser 62: register_cleanup(VXdoc_cleanup, this);
1.5 parser 63: ftransformer=new XalanTransformer2;
1.1 parser 64: fparser_liaison=new XercesParserLiaison;
1.2 parser 65: ferror_handler=new HandlerBase;
66: fparser_liaison->setErrorHandler(ferror_handler); // disable stderr output
1.1 parser 67: }
68: private:
69: void cleanup() {
1.8 parser 70: if(fowns_document)
71: delete fdocument;
72:
1.3 parser 73: delete fparsed_source;
1.1 parser 74: delete ftransformer;
75: delete fparser_liaison;
1.2 parser 76: delete ferror_handler;
1.1 parser 77: }
78: public:
79:
1.5 parser 80: XalanTransformer2& transformer() {return *ftransformer; }
1.1 parser 81: XercesParserLiaison& parser_liaison() { return *fparser_liaison; }
82:
1.3 parser 83: void set_parsed_source(const XalanParsedSource& aparsed_source) {
84: delete fparsed_source; // delete prev
85: fparsed_source=&aparsed_source;
86: }
1.1 parser 87: const XalanParsedSource& get_parsed_source(Pool& pool, const String *source) {
88: if(!fparsed_source)
1.9 ! parser 89: throw Exception(0, 0,
1.1 parser 90: source,
91: "can not be performed on this instance (xslt[xslt] not supported, use save+xslt[load])");
92: return *fparsed_source;
93: }
94:
1.8 parser 95: void set_document(XalanDocument& adocument, bool aowns) {
96: if(fowns_document)
97: delete fdocument;
98:
99: fdocument=&adocument;
100: fowns_document=aowns;
101: }
1.1 parser 102: XalanDocument &get_document(Pool& pool, const String *source) {
103: if(fparsed_source)
104: return *fparsed_source->getDocument();
105: if(!fdocument)
1.9 ! parser 106: throw Exception(0, 0,
1.1 parser 107: source,
108: "can not be applied to uninitialized instance");
109: return *fdocument;
110: }
111:
112: private:
113:
1.5 parser 114: XalanTransformer2 *ftransformer;
1.1 parser 115: XercesParserLiaison *fparser_liaison;
1.2 parser 116: ErrorHandler *ferror_handler;
1.1 parser 117:
118: const XalanParsedSource *fparsed_source;
1.8 parser 119:
120: bool fowns_document;
1.1 parser 121: XalanDocument *fdocument;
122:
123: };
124:
125: #endif
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