buffer.h

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#ifndef X_TYPE_BUFFER_H
#define X_TYPE_BUFFER_H
 
/*
 *     ., .,
 *     {O,O}
 *     (   )
 *      " "
 */
 
#include "x-type.h"
 
#ifndef X_TYPE_BUFFER_NAME
#define X_TYPE_BUFFER_NAME      "BUFFER"     
#define X_TYPE_BUFFER_FLAG_INNER    X_OBJ_FLAG_4
#endif /* X_TYPE_BUFFER_NAME */
 
 
#define x_obj_type_isbuffer(B,X)    x_obj_is_type((B), (X), X_TYPE_BUFFER_NAME)
#define x_bufferval(X)              x_firststr(X)
#define x_bufferread(X)             x_firststr(x_restobj(X))
#define x_bufferwrite(X)            x_reststr(x_restobj(X))
#define x_bufferlen(X)              (x_bufferread(X) - x_bufferval(X))
#define x_bufferunread(X)           (x_bufferwrite(X) - x_bufferread(X))
#define x_bufferlastchar(X)         (x_bufferread(X)[-1])
#define x_buffereof(X)              (x_bufferread(X) >= x_bufferwrite(X))
#define x_mkbuffer(B, P)            x_make_buffer((B), X_OBJ_FLAG_NONE, (P))
#define x_mkbufferro(B, P)          x_make_buffer((B), X_OBJ_FLAG_RO, (P))
#define x_mkfbuffer(B, F, P)        x_make_buffer((B), (F), (P))
#define x_mkbufferown(B, P)         x_make_buffer((B), X_OBJ_FLAG_OWN, (P))
#define x_mkfbufferown(B, F, P)     x_make_buffer((B), X_OBJ_FLAG_OWN | (F), (P))
x_obj_t *x_make_buffer(x_obj_t *p_base, x_obj_flag_t flags, void *p);
 
x_obj_t *x_type_buffer_register(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_struct(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_mark(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_make(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_reset(x_obj_t *p_base, x_obj_t *p_obj);
x_obj_t *x_type_buffer_retain(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_append(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_read(x_obj_t *p_base, x_obj_t *p_args);
x_obj_t *x_type_buffer_read_text(x_obj_t *p_base, x_obj_t *p_args);
 
#endif /* X_TYPE_BUFFER_H */