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/*
* Copyright 2009 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PERL_MONGO_H
#define PERL_MONGO_H
#define PERL_GCC_BRACE_GROUPS_FORBIDDEN
#include <bson.h>
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
/* not yet provided by ppport.h */
#ifndef HeUTF8
#define HeUTF8(he) ((HeKLEN(he) == HEf_SVKEY) ? \
SvUTF8(HeKEY_sv(he)) : \
(U32)HeKUTF8(he))
#endif
#define PERL_MONGO_CALL_BOOT(name) perl_mongo_call_xs (aTHX_ name, cv, mark)
/* whether to add an _id field */
#define PREP 1
#define NO_PREP 0
#ifdef WIN32
#ifdef _MSC_VER
typedef __int64 int64_t;
#define inline __inline
#else
#include <stdint.h>
#endif // _MSC_VER
#endif // WIN32
#include <limits.h>
// define regex macros for Perl 5.8
#ifndef RX_PRECOMP
#define RX_PRECOMP(re) ((re)->precomp)
#define RX_PRELEN(re) ((re)->prelen)
#endif
#define SUBTYPE_BINARY_DEPRECATED 2
#define SUBTYPE_BINARY 0
#if MONGO_BIG_ENDIAN
#define BYTE1_32(b) ((b & 0xff000000) >> 24)
#define BYTE2_32(b) ((b & 0x00ff0000) >> 8)
#define BYTE3_32(b) ((b & 0x0000ff00) << 8)
#define BYTE4_32(b) ((b & 0x000000ff) << 24)
#define MONGO_32(b) (BYTE4_32(b) | BYTE3_32(b) | BYTE2_32(b) | BYTE1_32(b))
#define BYTE1_64(b) ((b & 0xff00000000000000ll) >> 56)
#define BYTE2_64(b) ((b & 0x00ff000000000000ll) >> 40)
#define BYTE3_64(b) ((b & 0x0000ff0000000000ll) >> 24)
#define BYTE4_64(b) ((b & 0x000000ff00000000ll) >> 8)
#define BYTE5_64(b) ((b & 0x00000000ff000000ll) << 8)
#define BYTE6_64(b) ((b & 0x0000000000ff0000ll) << 24)
#define BYTE7_64(b) ((b & 0x000000000000ff00ll) << 40)
#define BYTE8_64(b) ((b & 0x00000000000000ffll) << 56)
#define MONGO_64(b) (BYTE8_64(b) | BYTE7_64(b) | BYTE6_64(b) | BYTE5_64(b) | \
BYTE4_64(b) | BYTE3_64(b) | BYTE2_64(b) | BYTE1_64(b))
#else
#define MONGO_32(b) (b)
#define MONGO_64(b) (b)
#endif
#define INT_32 4
#define INT_64 8
#define DOUBLE_64 8
#define BYTE_8 1
#define OID_SIZE 12
#define BSON_DOUBLE 1
#define BSON_STRING 2
#define BSON_OBJECT 3
#define BSON_ARRAY 4
#define BSON_BINARY 5
#define BSON_UNDEF 6
#define BSON_OID 7
#define BSON_BOOL 8
#define BSON_DATE 9
#define BSON_NULL 10
#define BSON_REGEX 11
#define BSON_DBREF 12
#define BSON_CODE__D 13
#define BSON_SYMBOL 14
#define BSON_CODE 15
#define BSON_INT 16
#define BSON_TIMESTAMP 17
#define BSON_LONG 18
#if CHAR_MIN == 0 // char is unsigned
#define BSON_MINKEY 255
#else
#define BSON_MINKEY -1
#endif
#define BSON_MAXKEY 127
#define GROW_SLOWLY 1048576
#define MAX_OBJ_SIZE (1024*1024*4)
typedef struct {
char *start;
char *pos;
char *end;
} buffer;
// struct for
typedef struct _stackette {
void *ptr;
struct _stackette *prev;
} stackette;
#define EMPTY_STACK 0
// it's safer to leave this signed in case there are any other missing BUF_REMAININGs
#define BUF_REMAINING (buf->end-buf->pos)
#define set_type(buf, type) perl_mongo_serialize_byte(buf, (char)type)
#define perl_mongo_serialize_null(buf) perl_mongo_serialize_byte(buf, (char)0)
#define perl_mongo_serialize_bool(buf, b) perl_mongo_serialize_byte(buf, (char)b)
extern MGVTBL connection_vtbl, cursor_vtbl;
int isUTF8(const char*, int);
void perl_mongo_init();
void perl_mongo_call_xs (pTHX_ void (*subaddr) (pTHX_ CV *cv), CV *cv, SV **mark);
SV *perl_mongo_call_reader (SV *self, const char *reader);
SV *perl_mongo_call_method (SV *self, const char *method, I32 flags, int num, ...);
SV *perl_mongo_call_function (const char *func, int num, ...);
void perl_mongo_attach_ptr_to_instance (SV *self, void *ptr, MGVTBL *vtbl);
void *perl_mongo_maybe_get_ptr_from_instance (SV *self, MGVTBL *vtbl);
void *perl_mongo_get_ptr_from_instance (SV *self, MGVTBL *vtbl);
SV *perl_mongo_construct_instance (const char *klass, ...);
SV *perl_mongo_construct_instance_va (const char *klass, va_list ap);
SV *perl_mongo_construct_instance_with_magic (const char *klass, void *ptr, MGVTBL *vtbl, ...);
// serialization
SV *perl_mongo_buffer_to_sv(buffer * buffer, char * dt_type, int inflate_dbrefs, int inflate_regexps, SV * client);
SV *perl_mongo_bson_to_sv (const bson_t * bson, char *dt_type, int inflate_dbrefs, int inflate_regexps, SV *client );
void perl_mongo_sv_to_bson (bson_t * bson, SV *sv, AV *ids);
void perl_mongo_sv_to_buffer(buffer * buf, SV *sv, AV *ids);
void perl_mongo_serialize_string(buffer *buf, const char *str, unsigned int str_len);
void perl_mongo_serialize_int(buffer *buf, int num);
void perl_mongo_serialize_long(buffer *buf, int64_t num);
void perl_mongo_serialize_size(char *start, buffer *buf);
#endif
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