+++ /dev/null
-//========================================================================
-//
-// Object.h
-//
-// Copyright 1996-2003 Glyph & Cog, LLC
-//
-//========================================================================
-
-#ifndef OBJECT_H
-#define OBJECT_H
-
-#include <aconf.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma interface
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include "gtypes.h"
-#include "gmem.h"
-#include "GString.h"
-
-class XRef;
-class Array;
-class Dict;
-class Stream;
-
-//------------------------------------------------------------------------
-// Ref
-//------------------------------------------------------------------------
-
-struct Ref {
- int num; // object number
- int gen; // generation number
-};
-
-//------------------------------------------------------------------------
-// object types
-//------------------------------------------------------------------------
-
-enum ObjType {
- // simple objects
- objBool, // boolean
- objInt, // integer
- objReal, // real
- objString, // string
- objName, // name
- objNull, // null
-
- // complex objects
- objArray, // array
- objDict, // dictionary
- objStream, // stream
- objRef, // indirect reference
-
- // special objects
- objCmd, // command name
- objError, // error return from Lexer
- objEOF, // end of file return from Lexer
- objNone // uninitialized object
-};
-
-#define numObjTypes 14 // total number of object types
-
-//------------------------------------------------------------------------
-// Object
-//------------------------------------------------------------------------
-
-#ifdef DEBUG_MEM
-#define initObj(t) ++numAlloc[type = t]
-#else
-#define initObj(t) type = t
-#endif
-
-class Object {
-public:
-
- // Default constructor.
- Object():
- type(objNone) {}
-
- // Initialize an object.
- Object *initBool(GBool boolnA)
- { initObj(objBool); booln = boolnA; return this; }
- Object *initInt(int intgA)
- { initObj(objInt); intg = intgA; return this; }
- Object *initReal(double realA)
- { initObj(objReal); real = realA; return this; }
- Object *initString(GString *stringA)
- { initObj(objString); string = stringA; return this; }
- Object *initName(char *nameA)
- { initObj(objName); name = copyString(nameA); return this; }
- Object *initNull()
- { initObj(objNull); return this; }
- Object *initArray(XRef *xref);
- Object *initDict(XRef *xref);
- Object *initDict(Dict *dictA);
- Object *initStream(Stream *streamA);
- Object *initRef(int numA, int genA)
- { initObj(objRef); ref.num = numA; ref.gen = genA; return this; }
- Object *initCmd(char *cmdA)
- { initObj(objCmd); cmd = copyString(cmdA); return this; }
- Object *initError()
- { initObj(objError); return this; }
- Object *initEOF()
- { initObj(objEOF); return this; }
-
- // Copy an object.
- Object *copy(Object *obj);
-
- // If object is a Ref, fetch and return the referenced object.
- // Otherwise, return a copy of the object.
- Object *fetch(XRef *xref, Object *obj);
-
- // Free object contents.
- void free();
-
- // Type checking.
- ObjType getType() { return type; }
- GBool isBool() { return type == objBool; }
- GBool isInt() { return type == objInt; }
- GBool isReal() { return type == objReal; }
- GBool isNum() { return type == objInt || type == objReal; }
- GBool isString() { return type == objString; }
- GBool isName() { return type == objName; }
- GBool isNull() { return type == objNull; }
- GBool isArray() { return type == objArray; }
- GBool isDict() { return type == objDict; }
- GBool isStream() { return type == objStream; }
- GBool isRef() { return type == objRef; }
- GBool isCmd() { return type == objCmd; }
- GBool isError() { return type == objError; }
- GBool isEOF() { return type == objEOF; }
- GBool isNone() { return type == objNone; }
-
- // Special type checking.
- GBool isName(char *nameA)
- { return type == objName && !strcmp(name, nameA); }
- GBool isDict(char *dictType);
- GBool isStream(char *dictType);
- GBool isCmd(char *cmdA)
- { return type == objCmd && !strcmp(cmd, cmdA); }
-
- // Accessors. NB: these assume object is of correct type.
- GBool getBool() { return booln; }
- int getInt() { return intg; }
- double getReal() { return real; }
- double getNum() { return type == objInt ? (double)intg : real; }
- GString *getString() { return string; }
- char *getName() { return name; }
- Array *getArray() { return array; }
- Dict *getDict() { return dict; }
- Stream *getStream() { return stream; }
- Ref getRef() { return ref; }
- int getRefNum() { return ref.num; }
- int getRefGen() { return ref.gen; }
- char *getCmd() { return cmd; }
-
- // Array accessors.
- int arrayGetLength();
- void arrayAdd(Object *elem);
- Object *arrayGet(int i, Object *obj);
- Object *arrayGetNF(int i, Object *obj);
-
- // Dict accessors.
- int dictGetLength();
- void dictAdd(char *key, Object *val);
- GBool dictIs(char *dictType);
- Object *dictLookup(char *key, Object *obj);
- Object *dictLookupNF(char *key, Object *obj);
- char *dictGetKey(int i);
- Object *dictGetVal(int i, Object *obj);
- Object *dictGetValNF(int i, Object *obj);
-
- // Stream accessors.
- GBool streamIs(char *dictType);
- void streamReset();
- void streamClose();
- int streamGetChar();
- int streamLookChar();
- char *streamGetLine(char *buf, int size);
- Guint streamGetPos();
- void streamSetPos(Guint pos, int dir = 0);
- Dict *streamGetDict();
-
- // Output.
- char *getTypeName();
- void print(FILE *f = stdout);
-
- // Memory testing.
- static void memCheck(FILE *f);
-
-private:
-
- ObjType type; // object type
- union { // value for each type:
- GBool booln; // boolean
- int intg; // integer
- double real; // real
- GString *string; // string
- char *name; // name
- Array *array; // array
- Dict *dict; // dictionary
- Stream *stream; // stream
- Ref ref; // indirect reference
- char *cmd; // command
- };
-
-#ifdef DEBUG_MEM
- static int // number of each type of object
- numAlloc[numObjTypes]; // currently allocated
-#endif
-};
-
-//------------------------------------------------------------------------
-// Array accessors.
-//------------------------------------------------------------------------
-
-#include "Array.h"
-
-inline int Object::arrayGetLength()
- { return array->getLength(); }
-
-inline void Object::arrayAdd(Object *elem)
- { array->add(elem); }
-
-inline Object *Object::arrayGet(int i, Object *obj)
- { return array->get(i, obj); }
-
-inline Object *Object::arrayGetNF(int i, Object *obj)
- { return array->getNF(i, obj); }
-
-//------------------------------------------------------------------------
-// Dict accessors.
-//------------------------------------------------------------------------
-
-#include "Dict.h"
-
-inline int Object::dictGetLength()
- { return dict->getLength(); }
-
-inline void Object::dictAdd(char *key, Object *val)
- { dict->add(key, val); }
-
-inline GBool Object::dictIs(char *dictType)
- { return dict->is(dictType); }
-
-inline GBool Object::isDict(char *dictType)
- { return type == objDict && dictIs(dictType); }
-
-inline Object *Object::dictLookup(char *key, Object *obj)
- { return dict->lookup(key, obj); }
-
-inline Object *Object::dictLookupNF(char *key, Object *obj)
- { return dict->lookupNF(key, obj); }
-
-inline char *Object::dictGetKey(int i)
- { return dict->getKey(i); }
-
-inline Object *Object::dictGetVal(int i, Object *obj)
- { return dict->getVal(i, obj); }
-
-inline Object *Object::dictGetValNF(int i, Object *obj)
- { return dict->getValNF(i, obj); }
-
-//------------------------------------------------------------------------
-// Stream accessors.
-//------------------------------------------------------------------------
-
-#include "Stream.h"
-
-inline GBool Object::streamIs(char *dictType)
- { return stream->getDict()->is(dictType); }
-
-inline GBool Object::isStream(char *dictType)
- { return type == objStream && streamIs(dictType); }
-
-inline void Object::streamReset()
- { stream->reset(); }
-
-inline void Object::streamClose()
- { stream->close(); }
-
-inline int Object::streamGetChar()
- { return stream->getChar(); }
-
-inline int Object::streamLookChar()
- { return stream->lookChar(); }
-
-inline char *Object::streamGetLine(char *buf, int size)
- { return stream->getLine(buf, size); }
-
-inline Guint Object::streamGetPos()
- { return stream->getPos(); }
-
-inline void Object::streamSetPos(Guint pos, int dir)
- { stream->setPos(pos, dir); }
-
-inline Dict *Object::streamGetDict()
- { return stream->getDict(); }
-
-#endif
git.asbjorn.biz / swftools.git / blobdiff