Annotation of parser3/src/types/pa_vxdoc.h, revision 1.7
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:
1.7 ! parser 7: $Id: pa_vxdoc.h,v 1.6 2001/10/15 11:48:04 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:
57: VXdoc(Pool& apool, XalanDocument *adocument=0) : VXnode(apool, 0, *Xdoc_class),
58: ftransformer(0),
1.2 parser 59: fparser_liaison(0), ferror_handler(0),
1.1 parser 60: fparsed_source(0),
61: fdocument(adocument) {
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() {
1.7 ! parser 70: delete fdocument;
1.3 parser 71: delete fparsed_source;
1.1 parser 72: delete ftransformer;
73: delete fparser_liaison;
1.2 parser 74: delete ferror_handler;
1.1 parser 75: }
76: public:
77:
1.5 parser 78: XalanTransformer2& transformer() {return *ftransformer; }
1.1 parser 79: XercesParserLiaison& parser_liaison() { return *fparser_liaison; }
80:
1.3 parser 81: void set_parsed_source(const XalanParsedSource& aparsed_source) {
82: delete fparsed_source; // delete prev
83: fparsed_source=&aparsed_source;
84: }
1.1 parser 85: const XalanParsedSource& get_parsed_source(Pool& pool, const String *source) {
86: if(!fparsed_source)
87: PTHROW(0, 0,
88: source,
89: "can not be performed on this instance (xslt[xslt] not supported, use save+xslt[load])");
90: return *fparsed_source;
91: }
92:
93: void set_document(XalanDocument& adocument) { fdocument=&adocument; }
94: XalanDocument &get_document(Pool& pool, const String *source) {
95: if(fparsed_source)
96: return *fparsed_source->getDocument();
97: if(!fdocument)
98: PTHROW(0, 0,
99: source,
100: "can not be applied to uninitialized instance");
101: return *fdocument;
102: }
103:
104: private:
105:
1.5 parser 106: XalanTransformer2 *ftransformer;
1.1 parser 107: XercesParserLiaison *fparser_liaison;
1.2 parser 108: ErrorHandler *ferror_handler;
1.1 parser 109:
110: const XalanParsedSource *fparsed_source;
111: XalanDocument *fdocument;
112:
113: };
114:
115: #endif
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