-/*
- * Copyright (C) 1995-2005, Index Data ApS
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation, in whole or in part, for any purpose, is hereby granted,
- * provided that:
- *
- * 1. This copyright and permission notice appear in all copies of the
- * software and its documentation. Notices of copyright or attribution
- * which appear at the beginning of any file must remain unchanged.
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) Index Data.
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
*
- * 2. The name of Index Data or the individual authors may not be used to
- * endorse or promote products derived from this software without specific
- * prior written permission.
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Index Data nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
- * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- *
- * $Id: odr-priv.h,v 1.6 2005-06-25 15:46:04 adam Exp $
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-
/**
* \file odr-priv.h
* \brief Internal ODR definitions
#include <yaz/odr.h>
#include <yaz/yaz-util.h>
-struct Odr_ber_tag { /* used to be statics in ber_tag... */
+/** \brief Utility structure used by ber_tag */
+struct Odr_ber_tag {
int lclass;
int ltag;
int br;
int lcons;
};
-#define odr_max(o) ((o)->size - ((o)->bp - (o)->buf))
-#define odr_offset(o) ((o)->bp - (o)->buf)
+#define odr_max(o) ((o)->op->size - ((o)->op->bp - (o)->op->buf))
-typedef struct odr_constack
+/**
+ * \brief stack for BER constructed items
+ *
+ * data structure for con stack.. a little peculiar. Since we can't
+ * deallocate memory we reuse stack items (popped items gets reused)
+ *
+ *\verbatim
+ * +---+ +---+ +---+ +---+
+ * NULL -|p n|-----|p n|-----|p n|-----|p n|-- NULL
+ * +---+ +---+ +---+ +---+
+ * | |
+ * stack_first stack_top reused item
+ *\endverbatim
+ */
+struct odr_constack
{
- const unsigned char *base; /* starting point of data */
+ const char *base; /** starting point of data */
int base_offset;
- int len; /* length of data, if known, else -1
+ int len; /** length of data, if known, else -1
(decoding only) */
- const unsigned char *lenb; /* where to encode length */
+ const char *lenb; /** where to encode length */
int len_offset;
- int lenlen; /* length of length-field */
-} odr_constack;
+ int lenlen; /** length of length-field */
+ const char *name; /** name of stack entry */
+
+ struct odr_constack *prev; /** pointer back in stack */
+ struct odr_constack *next; /** pointer forward */
+};
+#define ODR_MAX_STACK 2000
+
+/**
+ * \brief ODR private data
+ */
struct Odr_private {
- /* stack for constructed types */
-#define ODR_MAX_STACK 50
- int stackp; /* top of stack (-1 == initial state) */
- odr_constack stack[ODR_MAX_STACK];
- const char *stack_names[1 + ODR_MAX_STACK];
+ char *buf; /* memory base */
+ const char *bp; /* position in buffer (decoding) */
+ int pos; /* current position (encoding) */
+ int top; /* top of buffer (max pos when encoding) */
+ int size; /* current buffer size (encoding+decoding) */
+
+ /* stack for constructed types (we above) */
+ struct odr_constack *stack_first; /** first member of allocated stack */
+ struct odr_constack *stack_top; /** top of stack */
+
+ const char **tmp_names_buf; /** array returned by odr_get_element_path */
+ int tmp_names_sz; /** size of tmp_names_buf */
+
+ struct Odr_ber_tag odr_ber_tag; /** used by ber_tag */
- struct Odr_ber_tag odr_ber_tag;
yaz_iconv_t iconv_handle;
int error_id;
char element[80];
void (*stream_write)(ODR o, void *handle, int type,
const char *buf, int len);
void (*stream_close)(void *handle);
+
+ int can_grow; /* are we allowed to reallocate */
+ int t_class; /* implicit tagging (-1==default tag) */
+ int t_tag;
+
+ int enable_bias; /* force choice enable flag */
+ int choice_bias; /* force choice */
+ int lenlen; /* force length-of-lenght (odr_setlen()) */
+ FILE *print; /* output file handler for direction print */
+ int indent; /* current indent level for printing */
};
+#define ODR_STACK_POP(x) (x)->op->stack_top = (x)->op->stack_top->prev
+#define ODR_STACK_EMPTY(x) (!(x)->op->stack_top)
+#define ODR_STACK_NOT_EMPTY(x) ((x)->op->stack_top)
+
+#define odr_tell(o) ((o)->op->pos)
+
/* Private macro.
* write a single character at the current position - grow buffer if
* necessary.
#define odr_putc(o, c) \
( \
( \
- (o)->pos < (o)->size ? \
+ (o)->op->pos < (o)->op->size ? \
( \
- (o)->buf[(o)->pos++] = (c), \
+ (o)->op->buf[(o)->op->pos++] = (c), \
0 \
) : \
( \
odr_grow_block((o), 1) == 0 ? \
( \
- (o)->buf[(o)->pos++] = (c), \
+ (o)->op->buf[(o)->op->pos++] = (c), \
0 \
) : \
( \
) \
) == 0 ? \
( \
- (o)->pos > (o)->top ? \
+ (o)->op->pos > (o)->op->top ? \
( \
- (o)->top = (o)->pos, \
+ (o)->op->top = (o)->op->pos, \
0 \
) : \
0 \
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
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