/* Copyright (C) Boris Nikolaus, Germany, 1996-1997. All rights reserved. */
/* Copyright (C) Microsoft Corporation, 1997-1998. All rights reserved. */

#ifndef _ASN1_CINTERN_H_
#define _ASN1_CINTERN_H_


typedef struct ASN1INTERNencoding_s *ASN1INTERNencoding_t;
typedef struct ASN1INTERNdecoding_s *ASN1INTERNdecoding_t;

// lonchanc: this is really bad to duplicate the definitions of ASN1encoding_s
// and ASN1decoding_s here. We sould simply use them as components in
// the following ASN1INTERNencoding_s and ASN1INTERNdecoding_s.

struct ASN1INTERNencoding_s {

    // public view of encoding structure
    struct ASN1encoding_s       info;

    // private portion of encoding structure
    ASN1INTERNencoding_t        parent;
    ASN1INTERNencoding_t        child;

#ifdef ENABLE_EXTRA_INFO
    ASN1uint32_t				memlength;
    ASN1uint32_t				memsize;
    void**					    mem;
    ASN1uint32_t				epilength;
    ASN1uint32_t				episize;
    ASN1embeddedpdv_identification_t**		epi;
    ASN1uint32_t				csilength;
    ASN1uint32_t				csisize;
    ASN1characterstring_identification_t**	csi;
#endif // ENABLE_EXTRA_INFO
};

struct ASN1INTERNdecoding_s {

    // public view of decoding structure
    struct ASN1decoding_s       info;

    // private portion of decoding structure
    ASN1INTERNdecoding_t        parent;
    ASN1INTERNdecoding_t        child;

#ifdef ENABLE_EXTRA_INFO
    ASN1uint32_t				memlength;
    ASN1uint32_t				memsize;
    void**					    mem;
    ASN1uint32_t				epilength;
    ASN1uint32_t				episize;
    ASN1embeddedpdv_identification_t**		epi;
    ASN1uint32_t				csilength;
    ASN1uint32_t				csisize;
    ASN1characterstring_identification_t**	csi;
#endif // ENABLE_EXTRA_INFO

    // decoded into an external buffer
    ASN1uint32_t                fExtBuf;
    void*                       lpOrigExtBuf;    // original buffer pointer
    ASN1uint32_t                cbOrigExtBufSize;// original buffer size
    ASN1uint8_t*                lpRemExtBuf;     // remaining buffer pointer
    ASN1uint32_t                cbRemExtBufSize; // remaining buffer size
    ASN1uint32_t                cbLinearBufSize; // linear buffer size to hold the data
};

extern ASN1_PUBLIC void ASN1API ASN1DecAbort(ASN1decoding_t dec);
extern ASN1_PUBLIC void ASN1API ASN1DecDone(ASN1decoding_t dec);
extern ASN1_PUBLIC void ASN1API ASN1EncAbort(ASN1encoding_t enc);
extern ASN1_PUBLIC void ASN1API ASN1EncDone(ASN1encoding_t enc);

#ifdef ENABLE_GENERALIZED_CHAR_STR
int ASN1EncSearchCharacterStringIdentification(ASN1INTERNencoding_t e, ASN1characterstring_identification_t *identification, ASN1uint32_t *index, ASN1uint32_t *flag);
int ASN1DecAddCharacterStringIdentification(ASN1INTERNdecoding_t d, ASN1characterstring_identification_t *identification);
ASN1characterstring_identification_t *ASN1DecGetCharacterStringIdentification(ASN1INTERNdecoding_t d, ASN1uint32_t index);
#endif // ENABLE_GENERALIZED_CHAR_STR

#ifdef ENABLE_EMBEDDED_PDV
int ASN1EncSearchEmbeddedPdvIdentification(ASN1INTERNencoding_t e, ASN1embeddedpdv_identification_t *identification, ASN1uint32_t *index, ASN1uint32_t *flag);
int ASN1DecAddEmbeddedPdvIdentification(ASN1INTERNdecoding_t d, ASN1embeddedpdv_identification_t *identification);
ASN1embeddedpdv_identification_t *ASN1DecGetEmbeddedPdvIdentification(ASN1INTERNdecoding_t d, ASN1uint32_t index);
#endif // ENABLE_EMBEDDED_PDV

int ASN1DecDupObjectIdentifier(ASN1decoding_t dec, ASN1objectidentifier_t *dst, ASN1objectidentifier_t *src);

ASN1uint32_t GetObjectIdentifierCount(ASN1objectidentifier_t val);
ASN1uint32_t CopyObjectIdentifier(ASN1objectidentifier_t dst, ASN1objectidentifier_t src);
ASN1objectidentifier_t DecAllocObjectIdentifier(ASN1decoding_t dec, ASN1uint32_t cObjIds);
void DecFreeObjectIdentifier(ASN1decoding_t dec, ASN1objectidentifier_t p);


/* ------ perencod.c ------ */

int ASN1EncCheck(ASN1encoding_t enc, ASN1uint32_t noctets);
__inline int ASN1PEREncCheck(ASN1encoding_t enc, ASN1uint32_t noctets)
{
    return ASN1EncCheck(enc, noctets);
}
__inline int ASN1BEREncCheck(ASN1encoding_t enc, ASN1uint32_t noctets)
{
    return ASN1EncCheck(enc, noctets);
}

/* ------ bit.c ------ */

int ASN1is32space(ASN1char32_t);
int ASN1str32len(ASN1char32_t *);
int ASN1is16space(ASN1char16_t);
int ASN1str16len(ASN1char16_t *);
int My_lstrlenA(char *p);
int My_lstrlenW(WCHAR *p);
void ASN1bitcpy(ASN1octet_t *dst, ASN1uint32_t dstbit, ASN1octet_t *src, ASN1uint32_t srcbit, ASN1uint32_t nbits);
void ASN1bitclr(ASN1octet_t *dst, ASN1uint32_t dstbit, ASN1uint32_t nbits);
void ASN1bitset(ASN1octet_t *dst, ASN1uint32_t dstbit, ASN1uint32_t nbits);
void ASN1bitput(ASN1octet_t *dst, ASN1uint32_t dstbit, ASN1uint32_t val, ASN1uint32_t nbits);
ASN1uint32_t ASN1bitgetu(ASN1octet_t *src, ASN1uint32_t srcbit, ASN1uint32_t nbits);
ASN1int32_t ASN1bitget(ASN1octet_t *src, ASN1uint32_t srcbit, ASN1uint32_t nbits);
ASN1uint32_t ASN1bitcount(ASN1octet_t *src, ASN1uint32_t srcbit, ASN1uint32_t nbits);
void ASN1octetput(ASN1octet_t *dst, ASN1uint32_t val, ASN1uint32_t noctets);
ASN1uint32_t ASN1octetget(ASN1octet_t *src, ASN1uint32_t noctets);


#endif /* _ASN1_CINTERN_H_ */