pjs/msgsdk/C/protocol/MIME/include/mimeparser_internal.h

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6.7 KiB
C

/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Messaging Access SDK Version 3.5 code,
* released on or about June 15, 1998. *
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s): ______________________________________.
*/
/*
* Copyright (c) 1997 and 1998 Netscape Communications Corporation
* (http://home.netscape.com/misc/trademarks.html)
*/
/*
* mimeparser_internal.h
* carsonl, jan 8,97
*
*/
#ifndef MIMEPARSER_INTERNAL_H
#define MIMEPARSER_INTERNAL_H
#include "nsmail.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef XP_UNIX
#define BOOLEAN int
#define FALSE 0
#define TRUE 1
#endif
#define MAX_MULTIPART 40 /* maximum number of multipart per message */
#define START_BOUNDARY 11 /* start of boundary */
#define END_BOUNDARY 21 /* end of boundary */
#define NOT_A_BOUNDARY 31 /* not a boundary */
#define UNINITIALIZED -1 /* uninitialized */ /* don't modify */
#define BUFFER_SIZE 1024 /* base64 buffer size */
#define SUBTYPE_RFC822 1
#define SUBTYPE_EXTERNAL_BODY 2
typedef struct currentParent
{
int type;
void *p;
} currentParent_t;
typedef struct mimeParser
{
/* parser related */
Vector *pVectorMimeInfo; /* mimeInfo, preparse storage */
Vector *pVectorMessageData; /* message data */
int bStartData; /* TRUE if next line is message data */
/* api related */
mime_content_type nMessageType; /* message type for entire message */
mime_content_type nCurrentMessageType; /* for current message */
void *pCurrentMessage; /* current message structure */
mime_message_t *pMimeMessage; /* mimeMessage structure where all data will reside */
BOOLEAN bDeleteMimeMessage; /* FALSE if you want the data to persist outside the parser */
int nEmptyLineNo; /* number of consecutive blank lines */
/* callback fields */
mimeDataSink_t *pDataSink; /* user's datasink, NULL for no callbacks */
char *pLeftoverBuffer; /* base64 left over buffer */
char *pInputBuffer; /* base64 input buffer */
int nLeftoverBytes; /* base64 left over bytes */
int out_byte; /* base64 output byte */
int out_bits; /* base64 output bits */
BOOLEAN bParseEntireFile; /* TRUE to parse entire file, which means no dynamic parsing, */
/* data is treated as the entire mimeMessage each time it's parsed */
int nLineType; /* line type */
int QPNoOfLeftOverBytes; /* number of lefted over QP bytes */
char achQPLeftOverBytes[4]; /* lefted over QP bytes */
currentParent_t aCurrentParent[MAX_MULTIPART]; /* current message parent */
int nCurrentParent; /* current parent index */
mime_message_t *pCurrentMimeMessage; /* current mime message */
BOOLEAN bDecodeData; /* TRUE to turn on decoding before sending it to user */
BOOLEAN bLocalStorage; /* TRUE to let parser manage storage */
mime_message_t *pNextMimeMessage;
int nLastBoundry;
Vector *pMimeInfoQueue;
Vector *pHeaderQueue;
BOOLEAN bQPEncoding;
BOOLEAN bReadCR;
currentParent_t tHeaderParent;
currentParent_t tNextHeaderParent;
void *szPreviousHeaderName;
int nMessagePartSubType;
BOOLEAN fSeenBoundary;
BOOLEAN fEndMessageHeader;
} mimeParser_t;
/* ------------------- internal routines ---------------------- */
mimeParser_t *mimeParser_new_internal(); /* internal constructor */
mimeParser_t *mimeParser_new_internal2( mime_message_t * pMimeMessage ); /* internal constructor */
int mimeParser_checkForLineType( mimeParser_t *pp, char *s, int len ); /* check for line type */
int mimeParser_parseLine( mimeParser_t *pp, char *s, int len, BOOLEAN lastLine ); /* parse a line */
int mimeParser_parseMimeInfo( mimeParser_t *pp, mimeInfo_t *pmi ); /* parse mimeInfo structure */
mime_content_type mimeParser_nGetContentType( char *s, char *szSubtype, char **ppParam ); /* get content type */
char *mimeParser_parseForBoundary( char *s ); /* parse a line for boundary */
int nNewMessageStructure( mimeParser_t *p, char *s ); /* create a new message structure */
int nAddMessage( mimeParser_t *p, void *pMessage, mime_content_type nContentType ); /* add a new message */
int mimeParser_setData( mimeParser_t *p, mimeInfo_t *pMimeInfo ); /* extra data from mimeInfo structure and set fields */
int mimeParser_parseMimeMessage( mimeParser_t *p, nsmail_inputstream_t *pInput, char *pData, int nLen, int nContentType, void **ppReturn ); /* core parser routine */
void decodeDataBuffer( mimeParser_t *p ); /* decode message data */
char *mimeParser_getCurrentBoundary( mimeParser_t *p ); /* get current boundary */
int mimeParser_bIsStartBoundary( mimeParser_t *p, char *s ); /* TRUE if current line is a starting boundary */
int mimeParser_nBoundaryCheck( mimeParser_t *p, char *s, int len ); /* type of boundary */
void setUserObject( void *pMessage, int nType, void *pUserObject ); /* set user object */
void *getUserObject( void *pMessage, int nType ); /* get user object */
void *getUserObject2 ( void *pMessage, int nType ); /* get user object version 2 */
BOOLEAN IsLocalStorage( mimeParser_t *p ); /* TRUE for local storage, default to TRUE for non callbacks */
BOOLEAN IsDecodeData( mimeParser_t *p ); /* TRUE to decode message data, default to TRUE */
void saveBodyData( mimeParser_t *p, char *pBuffer, int nLen, mime_basicPart_t *pMimeBasicPart ); /* save body data to message structure */
char *decodeBase64LeftOverBytes( int out_bits, int out_byte, int *pLen ); /* base64, leftover decoding */
int nGetCurrentParentType( mimeParser_t *p );
void *pGetCurrentParent( mimeParser_t *p );
void vAddCurrentParent( mimeParser_t *p, int nType, void *pParent );
void mimeParser_unwindCurrentBoundary( mimeParser_t *p, char *s, BOOLEAN bDelete );
void addHeader( mimeParser_t *p, char *name, char *value, BOOLEAN addToQueue );
BOOLEAN checkForEmptyMessages( mimeParser_t *p, void *pMessage, int type );
int setCurrentMessage( mimeParser_t *p, void *pMessage, int nMessageType );
#ifdef __cplusplus
}
#endif
#endif /* MIMEPARSER_INTERNAL_H */