TextClass.hpp

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/*----------------------------------------------------------------------------*/
/*                                                                            */
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/* Copyright (c) 2005-2021 Rexx Language Association. All rights reserved.    */
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/*----------------------------------------------------------------------------*/
 
#ifndef Included_RexxText
#define Included_RexxText
 
#include "ObjectClass.hpp"
 
 
/******************************************************************************/
/* REXX Kernel                                                                */
/*                                                                            */
/* Primitive RexxText Class Definition                                        */
/*                                                                            */
/******************************************************************************/
 
// Needs a specific metaclass because RexxText has some static fields that need to be marked for garbage collection.
class RexxTextClass : public RexxClass {
 public:
  inline RexxTextClass(RESTORETYPE restoreType) { ; };
  void *operator new(size_t size, void *ptr) {return ptr;};
  void *operator new (size_t);
  void *operator new(size_t size, size_t size1, const char *className, RexxBehaviour *classBehave, RexxBehaviour *instance) { return new (size, className, classBehave, instance) RexxClass; }
  inline void operator delete(void *, void *ptr) { }
  inline void operator delete (void *) { }
  inline void operator delete(void *, size_t, const char *, RexxBehaviour *, RexxBehaviour *) { }
 
  inline RexxTextClass() { ; };
 
  void live(size_t);
  void liveGeneral(int reason);
};
 
 
// A RexxText is a RexxString by delegation, not by inheritance (don't inherit from RexxString)
class RexxText : public RexxObject
{
public:
    inline void *operator new(size_t, void *ptr) { return ptr; }
    inline void  operator delete(void *, void *) { ; }
    void *operator new(size_t);
    inline void  operator delete(void *) { ; }
 
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    inline RexxText() { ; };
    inline RexxText(RESTORETYPE restoreType) { ; };
 
    RexxObject  *newRexx(RexxObject **, size_t, size_t);
 
    RexxString *primitiveMakeString(); // needed to convert "b"~text to string when calling left("b"~text, 1)
    RexxText *primitiveMakeText();
 
    RexxString *makeString();          // needed to convert "b"~text to string when calling "abc"~pos("b"~text)
    RexxText *makeText();
 
    RexxText *textValue();
 
    static void createInstance();
    static RexxTextClass *classInstance; // RexxCore.h #define TheRexxTextClass RexxText::classInstance
 
    static RexxText *nullText;
 
    static RexxText *newText(RexxString *s);
    static RexxText *newText(const char *s, size_t l);
};
 
inline RexxText *new_text(RexxString *s)
{
    return RexxText::newText(s);
}
 
inline RexxText *new_text(const char *s, size_t l)
{
    return RexxText::newText(s, l);
}
 
inline RexxText *new_text(const char *s)
{
    return new_text(s, strlen(s));
}
 
 
/******************************************************************************/
/* REXX Kernel                                                                */
/*                                                                            */
/* Primitive Unicode Class Definition                                         */
/*                                                                            */
/******************************************************************************/
 
class Unicode : public RexxObject
{
public:
    inline void *operator new(size_t, void *ptr) { return ptr; }
    inline void  operator delete(void *, void *) { ; }
    void *operator new(size_t);
    inline void  operator delete(void *) { ; }
 
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    inline Unicode() { ; };
    inline Unicode(RESTORETYPE restoreType) { ; };
 
    RexxObject  *newRexx(RexxObject **, size_t, size_t);
    RexxObject  *copyRexx();
    static void createInstance();
    static RexxClass *classInstance; // RexxCore.h #define TheUnicodeClass Unicode::classInstance
 
    RexxInteger *systemIsLittleEndian();
 
    RexxString *utf8proc_version();
    RexxInteger *utf8proc_graphemeBreak(RexxArray *);
    RexxInteger *utf8proc_codepointCategory(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointCombiningClass(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointBidiClass(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointBidiMirrored(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointDecompositionType(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointIgnorable(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointControlBoundary(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointCharWidth(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointBoundClass(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointToLowerSimple(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointToUpperSimple(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointToTitleSimple(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointIsLower(RexxObject *rexxCodepoint);
    RexxInteger *utf8proc_codepointIsUpper(RexxObject *rexxCodepoint);
    RexxObject *utf8proc_transform(RexxString *str, RexxObject **named_arglist, size_t named_argcount);
 
    RexxString *unialgo_version();
};
 
#endif