Annotation of parser3/src/types/pa_wcontext.h, revision 1.3
1.1 paf 1: /*
2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.2 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.1 paf 5:
1.3 ! paf 6: $Id: pa_wcontext.h,v 1.2 2001/03/11 08:16:38 paf Exp $
1.1 paf 7: */
8:
9: #ifndef PA_WCONTEXT_H
10: #define PA_WCONTEXT_H
11:
12: #include "pa_value.h"
13: #include "pa_vstring.h"
14: #include "pa_vhash.h"
15:
16: class Request;
17:
18: class WContext : public Value {
19: friend Request;
20: public: // Value
21:
22: // all: for error reporting after fail(), etc
23: const char *type() const { return "wcontext"; }
24: // WContext: accumulated fstring
25: const String *get_string() { return &fstring; };
26:
27: // WContext: none yet | transparent
28: VClass *get_class() { return fvalue?fvalue->get_class():0; }
29: // wcontext: transparent
30: VAliased *get_aliased() { return fvalue?fvalue->get_aliased():0; }
31:
32: public: // WContext
33:
34: // appends a fstring to result
35: virtual void write(const String& astring, String::Untaint_lang lang);
36:
37: // if value is VString writes fstring,
38: // else writes Value; raises an error if already
39: virtual void write(Value& avalue, String::Untaint_lang lang);
40:
41: public: // usage
42:
43: WContext(Pool& apool, Value *avalue, bool aconstructing) : Value(apool),
44: fvalue(avalue),
45: fconstructing(aconstructing),
46: fstring(*new(apool) String(apool)) {
47: }
48:
49: bool constructing() { return fconstructing; }
50:
51: // retrives the resulting value
52: // that can be VString if value==0 or the Value object
53: Value *result() const {
54: return fvalue?fvalue:NEW VString(fstring);
55: }
56:
57: protected:
1.3 ! paf 58: bool fconstructing;
1.1 paf 59: Value *fvalue;
60: private:
61: String& fstring;
62: };
63:
64: #endif
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