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Annotation of parser3/src/types/pa_wcontext.h, revision 1.1

1.1     ! paf         1: /*
        !             2:        Parser
        !             3:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
        !             4:        Author: Alexander Petrosyan <paf@design.ru>
        !             5: 
        !             6:        $Id: pa_wcontext.h,v 1.28 2001/03/10 16:34:37 paf Exp $
        !             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:
        !            58:        Value *fvalue;
        !            59: private:
        !            60:        bool fconstructing;
        !            61:        String& fstring;
        !            62: };
        !            63: 
        !            64: #endif