#ifndef _oo_h_ #define _oo_h_ /* oo.h * * Copyright (C) 1994-2007 Paul Boersma * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * pb 2003/02/07 added oo_FILE and oo_DIR * pb 2003/06/11 made structure functions global * pb 2004/10/16 C++ compatible structs * pb 2006/05/29 added version to oo_OBJECT and oo_COLLECTION * pb 2007/06/09 oo_WCHAR, oo_STRINGW * pb 2007/06/10 corrections * pb 2007/06/21 oo_LSTRINGW; removed oo_SSTRINGxxx * pb 2007/09/01 oo_BOOL */ /*** Single types. ***/ /* The possible storage types give these binary formats: */ /* i1: store as signed big-endian integer in 1 byte (-128..127). */ /* i2: store as signed big-endian integer in 2 bytes (-32768..32767). */ /* i4: store as signed big-endian integer in 4 bytes. */ /* u1: store as unsigned big-endian integer integer in 1 byte (0..255). */ /* u2: store as unsigned big-endian integer in 2 bytes (0..65535). */ /* u4: store as unsigned big-endian integer in 4 bytes. */ /* i1LE ... u4LE: store as little-endian integers. */ /* r4: store as 4-byte IEEE MSB-first floating point format. */ /* r8: store as 8-byte IEEE MSB-first floating point format. */ /* r10: store as 10-byte IEEE/Apple MSB-first floating point format. */ /* c8: store real and imaginary part as r4. */ /* c16: store real and imaginary part as r4. */ /* c1: store as 1-byte character. */ /* c2: store as 2-byte character. */ /* For text format, there are no restrictions for the integer types, */ /* and the real numbers are written with a precision of 8, 17, or 20 characters. */ /* Single types. Declarations like: int x; */ #define oo_BYTE(x) oo_SIMPLE (signed char, i1, x) #define oo_SHORT(x) oo_SIMPLE (short, i2, x) #define oo_INT(x) oo_SIMPLE (int, i2, x) #define oo_LONG(x) oo_SIMPLE (long, i4, x) #define oo_UBYTE(x) oo_SIMPLE (unsigned char, u1, x) #define oo_USHORT(x) oo_SIMPLE (unsigned short, u2, x) #define oo_UINT(x) oo_SIMPLE (unsigned int, u2, x) #define oo_ULONG(x) oo_SIMPLE (unsigned long, u4, x) #define oo_BOOL(x) oo_SIMPLE (unsigned char, u1, x) #define oo_FLOAT(x) oo_SIMPLE (float, r4, x) #define oo_DOUBLE(x) oo_SIMPLE (double, r8, x) #define oo_FCOMPLEX(x) oo_SIMPLE (fcomplex, c8, x) #define oo_DCOMPLEX(x) oo_SIMPLE (dcomplex, c16, x) #define oo_CHAR(x) oo_SIMPLE (char, c1, x) #define oo_WCHAR(x) oo_SIMPLE (wchar_t, c2, x) #define oo_POINTER(x) oo_SIMPLE (void *, dummy, x) /* Arrays with compile-time allocation of capacity. Declarations like: int x [cap]; */ /* 'cap' is a compile-time expression evaluating to a positive integer (e.g., 3). */ /* First index is always 0, last index is 'n' - 1. */ /* Actual number of elements 'n' may vary during run-time and while structure exists, */ /* but must never be greater than 'cap'. */ #define oo_BYTE_ARRAY(x,cap,n) oo_ARRAY (signed char, i1, x, cap, n) #define oo_SHORT_ARRAY(x,cap,n) oo_ARRAY (short, i2, x, cap, n) #define oo_INT_ARRAY(x,cap,n) oo_ARRAY (int, i2, x, cap, n) #define oo_LONG_ARRAY(x,cap,n) oo_ARRAY (long, i4, x, cap, n) #define oo_UBYTE_ARRAY(x,cap,n) oo_ARRAY (unsigned char, u1, x, cap, n) #define oo_USHORT_ARRAY(x,cap,n) oo_ARRAY (unsigned short, u2, x, cap, n) #define oo_UINT_ARRAY(x,cap,n) oo_ARRAY (unsigned int, u2, x, cap, n) #define oo_ULONG_ARRAY(x,cap,n) oo_ARRAY (unsigned long, u4, x, cap, n) #define oo_BOOL_ARRAY(x,cap,n) oo_ARRAY (unsigned char, u1, x, cap, n) #define oo_FLOAT_ARRAY(x,cap,n) oo_ARRAY (float, r4, x, cap, n) #define oo_DOUBLE_ARRAY(x,cap,n) oo_ARRAY (double, r8, x, cap, n) #define oo_FCOMPLEX_ARRAY(x,cap,n) oo_ARRAY (fcomplex, c8, x, cap, n) #define oo_DCOMPLEX_ARRAY(x,cap,n) oo_ARRAY (dcomplex, c16, x, cap, n) #define oo_CHAR_ARRAY(x,cap,n) oo_ARRAY (char, c1, x, cap, n) #define oo_WCHAR_ARRAY(x,cap,n) oo_ARRAY (wchar_t, c2, x, cap, n) #define oo_POINTER_ARRAY(x,cap,n) oo_ARRAY (void *, dummy, x, cap, n) /* Sets with compile-time allocation of capacity. Declarations like: int x [1 + enumlength (Type)]; */ /* First index is always 0, last index is enumlength (Type). */ #define oo_BYTE_SET(x,setType) oo_SET (signed char, i1, x, setType) #define oo_SHORT_SET(x,setType) oo_SET (short, i2, x, setType) #define oo_INT_SET(x,setType) oo_SET (int, i2, x, setType) #define oo_LONG_SET(x,setType) oo_SET (long, i4, x, setType) #define oo_UBYTE_SET(x,setType) oo_SET (unsigned char, u1, x, setType) #define oo_USHORT_SET(x,setType) oo_SET (unsigned short, u2, x, setType) #define oo_UINT_SET(x,setType) oo_SET (unsigned int, u2, x, setType) #define oo_ULONG_SET(x,setType) oo_SET (unsigned long, u4, x, setType) #define oo_BOOL_SET(x,setType) oo_SET (unsigned char, u1, x, setType) #define oo_FLOAT_SET(x,setType) oo_SET (float, r4, x, setType) #define oo_DOUBLE_SET(x,setType) oo_SET (double, r8, x, setType) #define oo_FCOMPLEX_SET(x,setType) oo_SET (fcomplex, c8, x, setType) #define oo_DCOMPLEX_SET(x,setType) oo_SET (dcomplex, c16, x, setType) #define oo_CHAR_SET(x,setType) oo_SET (char, c1, x, setType) #define oo_WCHAR_SET(x,setType) oo_SET (wchar_t, c2, x, setType) #define oo_POINTER_SET(x,setType) oo_SET (void *, dummy, x, setType) /* Arrays with run-time allocation of size. Declarations like: int *x; */ /* First index is 'min', last index is 'max'. */ /* While the structure exists, 'max' may become less than the value it had at the time of allocation. */ #define oo_BYTE_VECTOR_FROM(x,min,max) oo_VECTOR (signed char, b, i1, x, min, max) #define oo_SHORT_VECTOR_FROM(x,min,max) oo_VECTOR (short, s, i2, x, min, max) #define oo_INT_VECTOR_FROM(x,min,max) oo_VECTOR (int, i, i2, x, min, max) #define oo_LONG_VECTOR_FROM(x,min,max) oo_VECTOR (long, l, i4, x, min, max) #define oo_UBYTE_VECTOR_FROM(x,min,max) oo_VECTOR (unsigned char, ub, u1, x, min, max) #define oo_USHORT_VECTOR_FROM(x,min,max) oo_VECTOR (unsigned short, us, u2, x, min, max) #define oo_UINT_VECTOR_FROM(x,min,max) oo_VECTOR (unsigned int, ui, u2, x, min, max) #define oo_ULONG_VECTOR_FROM(x,min,max) oo_VECTOR (unsigned long, ul, u4, x, min, max) #define oo_BOOL_VECTOR_FROM(x,min,max) oo_VECTOR (unsigned char, ub, u1, x, min, max) #define oo_FLOAT_VECTOR_FROM(x,min,max) oo_VECTOR (float, f, r4, x, min, max) #define oo_DOUBLE_VECTOR_FROM(x,min,max) oo_VECTOR (double, d, r8, x, min, max) #define oo_FCOMPLEX_VECTOR_FROM(x,min,max) oo_VECTOR (fcomplex, fc, c8, x, min, max) #define oo_DCOMPLEX_VECTOR_FROM(x,min,max) oo_VECTOR (dcomplex, dc, c16, x, min, max) #define oo_CHAR_VECTOR_FROM(x,min,max) oo_VECTOR (char, c, c1, x, min, max) #define oo_WCHAR_VECTOR_FROM(x,min,max) oo_VECTOR (wchar_t, c, c2, x, min, max) #define oo_POINTER_VECTOR_FROM(x,min,max) oo_VECTOR (void *, p, dummy, x, min, max) #define oo_BYTE_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (signed char, b, i1, x, row1, row2, col1, col2) #define oo_SHORT_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (short, s, i2, x, row1, row2, col1, col2) #define oo_INT_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (int, i, i2, x, row1, row2, col1, col2) #define oo_LONG_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (long, l, i4, x, row1, row2, col1, col2) #define oo_UBYTE_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (unsigned char, ub, u1, x, row1, row2, col1, col2) #define oo_USHORT_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (unsigned short, us, u2, x, row1, row2, col1, col2) #define oo_UINT_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (unsigned int, ui, u2, x, row1, row2, col1, col2) #define oo_ULONG_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (unsigned long, ul, u4, x, row1, row2, col1, col2) #define oo_BOOL_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (unsigned char, ub, u1, x, row1, row2, col1, col2) #define oo_FLOAT_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (float, f, r4, x, row1, row2, col1, col2) #define oo_DOUBLE_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (double, d, r8, x, row1, row2, col1, col2) #define oo_FCOMPLEX_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (fcomplex, fc, c8, x, row1, row2, col1, col2) #define oo_DCOMPLEX_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (dcomplex, dc, c16, x, row1, row2, col1, col2) #define oo_CHAR_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (char, c, c1, x, row1, row2, col1, col2) #define oo_WCHAR_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (wchar_t, c, c2, x, row1, row2, col1, col2) #define oo_POINTER_MATRIX_FROM(x,row1,row2,col1,col2) oo_MATRIX (void *, p, dummy, x, row1, row2, col1, col2) /* The same arrays, with the first index fixed at 1. */ #define oo_BYTE_VECTOR(x,n) oo_VECTOR (signed char, b, i1, x, 1, n) #define oo_SHORT_VECTOR(x,n) oo_VECTOR (short, s, i2, x, 1, n) #define oo_INT_VECTOR(x,n) oo_VECTOR (int, i, i2, x, 1, n) #define oo_LONG_VECTOR(x,n) oo_VECTOR (long, l, i4, x, 1, n) #define oo_UBYTE_VECTOR(x,n) oo_VECTOR (unsigned char, ub, u1, x, 1, n) #define oo_USHORT_VECTOR(x,n) oo_VECTOR (unsigned short, us, u2, x, 1, n) #define oo_UINT_VECTOR(x,n) oo_VECTOR (unsigned int, ui, u2, x, 1, n) #define oo_ULONG_VECTOR(x,n) oo_VECTOR (unsigned long, ul, u4, x, 1, n) #define oo_BOOL_VECTOR(x,n) oo_VECTOR (unsigned char, ub, u1, x, 1, n) #define oo_FLOAT_VECTOR(x,n) oo_VECTOR (float, f, r4, x, 1, n) #define oo_DOUBLE_VECTOR(x,n) oo_VECTOR (double, d, r8, x, 1, n) #define oo_FCOMPLEX_VECTOR(x,n) oo_VECTOR (fcomplex, fc, c8, x, 1, n) #define oo_DCOMPLEX_VECTOR(x,n) oo_VECTOR (dcomplex, dc, c16, x, 1, n) #define oo_CHAR_VECTOR(x,n) oo_VECTOR (char, c, c1, x, 1, n) #define oo_WCHAR_VECTOR(x,n) oo_VECTOR (wchar_t, c, c2, x, 1, n) #define oo_POINTER_VECTOR(x,n) oo_VECTOR (void *, p, dummy, x, 1, n) #define oo_BYTE_MATRIX(x,nrow,ncol) oo_MATRIX (signed char, b, i1, x, 1, nrow, 1, ncol) #define oo_SHORT_MATRIX(x,nrow,ncol) oo_MATRIX (short, s, i2, x, 1, nrow, 1, ncol) #define oo_INT_MATRIX(x,nrow,ncol) oo_MATRIX (int, i, i2, x, 1, nrow, 1, ncol) #define oo_LONG_MATRIX(x,nrow,ncol) oo_MATRIX (long, l, i4, x, 1, nrow, 1, ncol) #define oo_UBYTE_MATRIX(x,nrow,ncol) oo_MATRIX (unsigned char, ub, u1, x, 1, nrow, 1, ncol) #define oo_USHORT_MATRIX(x,nrow,ncol) oo_MATRIX (unsigned short, us, u2, x, 1, nrow, 1, ncol) #define oo_UINT_MATRIX(x,nrow,ncol) oo_MATRIX (unsigned int, ui, u2, x, 1, nrow, 1, ncol) #define oo_ULONG_MATRIX(x,nrow,ncol) oo_MATRIX (unsigned long, ul, u4, x, 1, nrow, 1, ncol) #define oo_BOOL_MATRIX(x,nrow,ncol) oo_MATRIX (unsigned char, ub, u1, x, 1, nrow, 1, ncol) #define oo_FLOAT_MATRIX(x,nrow,ncol) oo_MATRIX (float, f, r4, x, 1, nrow, 1, ncol) #define oo_DOUBLE_MATRIX(x,nrow,ncol) oo_MATRIX (double, d, r8, x, 1, nrow, 1, ncol) #define oo_FCOMPLEX_MATRIX(x,nrow,ncol) oo_MATRIX (fcomplex, fc, c8, x, 1, nrow, 1, ncol) #define oo_DCOMPLEX_MATRIX(x,nrow,ncol) oo_MATRIX (dcomplex, dc, c16, x, 1, nrow, 1, ncol) #define oo_CHAR_MATRIX(x,nrow,ncol) oo_MATRIX (char, c, c1, x, 1, nrow, 1, ncol) #define oo_WCHAR_MATRIX(x,nrow,ncol) oo_MATRIX (char, c, c2, x, 1, nrow, 1, ncol) #define oo_POINTER_MATRIX(x,nrow,ncol) oo_MATRIX (void *, p, dummy, x, 1, nrow, 1, ncol) /*** Enumerated types. ***/ /* The possible storage types give these binary formats: */ /* e1: store as signed big-endian integer in 1 byte. */ /* e2: store in signed big-endian integer in 2 bytes. */ /* eb: store as byte 170 (false) or byte 185 (true). */ /* eq: store as byte 150 (no) or byte 165 (yes). */ /* ex: store as byte 226 (absent) or byte 241 (present). */ /* For text format, the value is written as a string between '<' and '>'. */ #define oo_ENUM(Type,x) oo_ENUMx (signed char, e1, Type, x) #define oo_LENUM(Type,x) oo_ENUMx (short, e2, Type, x) #define oo_ENUM_ARRAY(Type,x,cap,n) oo_ENUMx_ARRAY (signed char, e1, Type, x, cap, n) #define oo_LENUM_ARRAY(Type,x,cap,n) oo_ENUMx_ARRAY (short, e2, Type, x, cap, n) #define oo_ENUM_SET(Type,x,setType) oo_ENUMx_SET (signed char, e1, Type, x, setType) #define oo_LENUM_SET(Type,x,setType) oo_ENUMx_SET (short, e2, Type, x, setType) #define oo_ENUM_VECTOR_FROM(Type,x,min,max) oo_ENUMx_VECTOR (signed char, b, e1, Type, x, min, max) #define oo_LENUM_VECTOR_FROM(Type,x,min,max) oo_ENUMx_VECTOR (short, s, e2, Type, x, min, max) #define oo_ENUM_VECTOR(Type,x,n) oo_ENUMx_VECTOR (signed char, b, e1, Type, x, 1, n) #define oo_LENUM_VECTOR(Type,x,n) oo_ENUMx_VECTOR (short, s, e2, Type, x, 1, n) #define oo_BOOLEAN(x) oo_SIMPLE (signed char, eb, x) #define oo_BOOLEAN_ARRAY(x,cap,n) oo_ARRAY (signed char, eb, x, cap, n) #define oo_BOOLEAN_SET(x,setType) oo_ARRAY (signed char, eb, x, setType) #define oo_BOOLEAN_VECTOR_FROM(x,min,max) oo_VECTOR (signed char, b, eb, x, min, max) #define oo_BOOLEAN_VECTOR(x,n) oo_VECTOR (signed char, b, eb, x, 1, n) #define oo_QUESTION(x) oo_SIMPLE (signed char, eq, x) #define oo_QUESTION_ARRAY(x,cap,n) oo_ARRAY (signed char, eq, x, cap, n) #define oo_QUESTION_SET(x,setType) oo_ARRAY (signed char, eq, x, setType) #define oo_QUESTION_VECTOR_FROM(x,min,max) oo_VECTOR (signed char, b, eq, x, min, max) #define oo_QUESTION_VECTOR(x,n) oo_VECTOR (signed char, b, eq, x, 1, n) /*** Strings. ***/ /* The possible storage types give these binary formats: */ /* s2: store as sequence of bytes, preceded with 2 bytes (u2) to denote length. */ /* w2: store as sequence of characters (u2), preceded with 2 bytes (u2) to denote length. */ /* s4: store as sequence of bytes, preceded with 4 bytes (u4) to denote length. */ /* w4: store as sequence of characters (u2), preceded with 4 bytes (u4) to denote length. */ #define oo_STRING(x) oo_STRINGx (s2, x) #define oo_STRINGW(x) oo_STRINGWx (w2, x) #define oo_LSTRING(x) oo_STRINGx (s4, x) #define oo_LSTRINGW(x) oo_STRINGWx (w4, x) #define oo_STRING_ARRAY(x,cap,n) oo_STRINGx_ARRAY (s2, x, cap, n) #define oo_STRINGW_ARRAY(x,cap,n) oo_STRINGWx_ARRAY (w2, x, cap, n) #define oo_LSTRING_ARRAY(x,cap,n) oo_STRINGx_ARRAY (s4, x, cap, n) #define oo_LSTRINGW_ARRAY(x,cap,n) oo_STRINGWx_ARRAY (w4, x, cap, n) #define oo_STRING_SET(x,setType) oo_STRINGx_SET (s2, x, setType) #define oo_STRINGW_SET(x,setType) oo_STRINGWx_SET (w2, x, setType) #define oo_LSTRING_SET(x,setType) oo_STRINGx_SET (s4, x, setType) #define oo_LSTRINGW_SET(x,setType) oo_STRINGWx_SET (w4, x, setType) #define oo_STRING_VECTOR_FROM(x,min,max) oo_STRINGx_VECTOR (s2, x, min, max) #define oo_STRINGW_VECTOR_FROM(x,min,max) oo_STRINGWx_VECTOR (w2, x, min, max) #define oo_LSTRING_VECTOR_FROM(x,min,max) oo_STRINGx_VECTOR (s4, x, min, max) #define oo_LSTRINGW_VECTOR_FROM(x,min,max) oo_STRINGx_VECTOR (w4, x, min, max) #define oo_STRING_VECTOR(x,n) oo_STRINGx_VECTOR (s2, x, 1, n) #define oo_STRINGW_VECTOR(x,n) oo_STRINGWx_VECTOR (w2, x, 1, n) #define oo_LSTRING_VECTOR(x,n) oo_STRINGx_VECTOR (s4, x, 1, n) #define oo_LSTRINGW_VECTOR(x,n) oo_STRINGWx_VECTOR (w4, x, 1, n) /*** Structs. ***/ #define oo_STRUCT_VECTOR(Type,x,n) oo_STRUCT_VECTOR_FROM (Type, x, 1, n) #define oo_STRUCT_MATRIX(Type,x,nrow,ncol) oo_STRUCT_MATRIX_FROM (Type, x, 1, nrow, 1, ncol) /*** Widgets. */ #define oo_WIDGET_VECTOR(Type,x,n) oo_WIDGET_VECTOR_FROM (Type, x, 1, n) /*** Class declaration in header file. ***/ #define oo_CLASS_CREATE(klas,parent) \ struct struct##klas##_Table { \ void (* _initialize) (void *table); \ char *_className; \ wchar_t *_classNameW; \ parent##_Table _parent; \ long _size; \ klas##_methods \ }; \ extern struct struct##klas##_Table theStruct##klas; \ extern klas##_Table class##klas /********** Definitions for header files only. **********/ /* These are undef'ed and redefined in the header files that implement methods, */ /* like oo_DESTROY.h, oo_COPY.h, oo_EQUAL.h, oo_WRITE_TEXT.h, etc. */ /* Types. */ #define oo_SIMPLE(type,storage,x) type x; #define oo_ARRAY(type,storage,x,cap,n) type x [cap]; #define oo_SET(type,storage,x,setType) type x [1 + enumlength (setType)]; #define oo_VECTOR(type,t,storage,x,min,max) type *x; #define oo_MATRIX(type,t,storage,x,row1,row2,col1,col2) type **x; #define oo_ENUMx(type,storage,Type,x) type x; #define oo_ENUMx_ARRAY(type,storage,Type,x,cap,n) type x [cap]; #define oo_ENUMx_SET(type,storage,Type,x,setType) type x [1 + enumlength (setType)]; #define oo_ENUMx_VECTOR(type,t,storage,Type,x,min,max) type *x; #define oo_STRINGx(storage,x) char *x; #define oo_STRINGx_ARRAY(storage,x,cap,n) char *x [cap]; #define oo_STRINGx_SET(storage,x,setType) char *x [1 + enumlength (setType)]; #define oo_STRINGx_VECTOR(storage,x,min,max) char **x; #define oo_STRINGWx(storage,x) wchar_t *x; #define oo_STRINGWx_ARRAY(storage,x,cap,n) wchar_t *x [cap]; #define oo_STRINGWx_SET(storage,x,setType) wchar_t *x [1 + enumlength (setType)]; #define oo_STRINGWx_VECTOR(storage,x,min,max) wchar_t **x; #define oo_STRUCT(Type,x) struct struct##Type x; #define oo_STRUCT_ARRAY(Type,x,cap,n) struct struct##Type x [cap]; #define oo_STRUCT_SET(Type,x,setType) struct struct##Type x [1 + enumlength (setType)]; #define oo_STRUCT_VECTOR_FROM(Type,x,min,max) Type x; #define oo_STRUCT_MATRIX_FROM(Type,x,row1,row2,col1,col2) struct struct##Type **x; #define oo_WIDGET(x) Widget x; #define oo_WIDGET_ARRAY(x,cap,n) Widget x [cap]; #define oo_WIDGET_SET(x,setType) Widget x [1 + enumlength (setType)]; #define oo_WIDGET_VECTOR_FROM(x,min,max) Widget *x; #define oo_OBJECT(Class,version,x) Class x; #define oo_COLLECTION(Class,x,ItemClass,version) Class x; #define oo_FILE(x) structMelderFile x; #define oo_DIR(x) structMelderDir x; /* Struct and class definitions. */ #define oo_DEFINE_STRUCT(Type) typedef struct struct##Type { #define oo_END_STRUCT(Type) } *Type; \ void Type##_destroy (Type me); \ int Type##_copy (Type me, Type thee); \ bool Type##_equal (Type me, Type thee); #define oo_DEFINE_CLASS(Class,Parent) \ typedef struct struct##Class##_Table *Class##_Table; \ typedef struct struct##Class { \ Class##_Table methods; \ Parent##_members #define oo_END_CLASS(Class) } *Class; /*** Miscellaneous. ***/ /* For fields that should only be destroyed, copied, compared, read, or written if 'condition': */ #define oo_IF(condition) #define oo_ENDIF /* For fields that should not be read in older versions: */ #define oo_FROM(from) #define oo_ENDFROM /* For OBJECT fields that have version numbers: */ #define oo_VERSION(version) /* Examples of the usage of the following macros: For code that should only appear in reading methods (consistency checks etc.), use: #if oo_READING For code that should only appear in writing methods (e.g., debugging statements), use: #if oo_WRITING For fields that are not destroyed, copied, or compared, either (i.e., only declarations), use: #if oo_DECLARING For fields that do not take part in I/O (e.g. redundant or temporary fields), use: #if ! oo_READING && ! oo_WRITING For fields that should not be read (e.g., when expanding a database file), use: #if ! oo_READING For fields that should not be written (e.g., when shrinking a database file), use: #if ! oo_WRITING The last two should be temporary situations, because the output files do not match the input files! */ #define oo_DECLARING 1 #define oo_DESTROYING 0 #define oo_COPYING 0 #define oo_EQUALLING 0 #define oo_COMPARING 0 #define oo_VALIDATING_ASCII 0 #define oo_READING 0 #define oo_READING_TEXT 0 #define oo_READING_BINARY 0 #define oo_READING_CACHE 0 #define oo_READING_LISP 0 #define oo_WRITING 0 #define oo_WRITING_TEXT 0 #define oo_WRITING_BINARY 0 #define oo_WRITING_CACHE 0 #define oo_WRITING_LISP 0 #define oo_DESCRIBING 0 /* End of file oo.h */ #endif