Annotation of parser3/src/types/pa_wcontext.h, revision 1.19
1.12 paf 1: /** @file
2: Parser: write context class decl.
3:
1.1 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.2 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.1 paf 6:
1.19 ! paf 7: $Id: pa_wcontext.h,v 1.18 2001/10/29 08:23:50 paf Exp $
1.1 paf 8: */
9:
10: #ifndef PA_WCONTEXT_H
11: #define PA_WCONTEXT_H
12:
13: #include "pa_value.h"
14: #include "pa_vstring.h"
15: #include "pa_vhash.h"
16:
17: class Request;
18:
1.12 paf 19: /** Write context
20: they do different write()s here, later picking up the result
21: @see Request::wcontext
22: */
1.1 paf 23: class WContext : public Value {
1.18 paf 24: friend class Request;
1.19 ! paf 25:
1.1 paf 26: public: // Value
27:
28: const char *type() const { return "wcontext"; }
1.12 paf 29: /// WContext: accumulated fstring
1.1 paf 30: const String *get_string() { return &fstring; };
31:
1.12 paf 32: /// WContext: none yet | transparent
1.5 paf 33: VStateless_class *get_class() { return fvalue?fvalue->get_class():0; }
1.12 paf 34: /// WContext: transparent
1.1 paf 35: VAliased *get_aliased() { return fvalue?fvalue->get_aliased():0; }
36:
37: public: // WContext
38:
1.12 paf 39: /// appends a fstring to result
1.1 paf 40: virtual void write(const String& astring, String::Untaint_lang lang);
1.6 paf 41:
1.12 paf 42: /// writes Value; raises an error if already
1.6 paf 43: virtual void write(Value& avalue);
1.1 paf 44:
1.12 paf 45: /**
46: if value is VString writes fstring,
47: else writes Value; raises an error if already
48: */
1.1 paf 49: virtual void write(Value& avalue, String::Untaint_lang lang);
50:
1.12 paf 51: /**
52: retrives the resulting value
53: that can be VString if value==0 or the Value object
54: wmethod_frame first checks for $result and if there is one, returns it instead
55: */
1.9 paf 56: virtual Value *result() {
1.7 paf 57: return fvalue?fvalue:NEW VString(fstring);
58: }
59:
1.1 paf 60: public: // usage
61:
1.16 parser 62: WContext(Pool& apool, Value *avalue) : Value(apool),
1.7 paf 63: fstring(*new(apool) String(apool)),
1.19 ! paf 64: fvalue(avalue),
! 65: fconstructing(false), fentered_object(false), fentered_class(false) {
1.1 paf 66: }
67:
1.19 ! paf 68: void set_constructing(bool aconstructing) { fconstructing=aconstructing; }
! 69: bool get_constructing() { return fconstructing; }
! 70:
! 71: void set_somebody_entered_some_class() { fentered_class=true; }
! 72: bool get_somebody_entered_some_class() { return fentered_class; }
! 73:
! 74: void set_somebody_entered_some_object(bool aentered_object) {
! 75: fentered_object=aentered_object; }
! 76: bool get_somebody_entered_some_object() { return fentered_object; }
1.14 paf 77:
1.1 paf 78: protected:
1.7 paf 79: String& fstring;
1.19 ! paf 80: Value *fvalue;
1.1 paf 81: private:
1.19 ! paf 82: struct {
! 83: bool fconstructing:1;
! 84: bool fentered_object:1;
! 85: bool fentered_class:1;
! 86: };
1.1 paf 87: };
88:
89: #endif
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