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lightning-sunbird  0.9+nobinonly
Defines | Functions
mimeleaf.cpp File Reference
#include "modmimee.h"
#include "mimeleaf.h"
#include "nsMimeTypes.h"
#include "prmem.h"
#include "plstr.h"
#include "prlog.h"
#include "nsMimeStringResources.h"
#include "nsCRT.h"

Go to the source code of this file.

Defines

#define MIME_SUPERCLASS   mimeObjectClass

Functions

 MimeDefClass (MimeLeaf, MimeLeafClass, mimeLeafClass,&MIME_SUPERCLASS)
static int MimeLeaf_initialize (MimeObject *)
static void MimeLeaf_finalize (MimeObject *)
static int MimeLeaf_parse_begin (MimeObject *)
static int MimeLeaf_parse_buffer (const char *, PRInt32, MimeObject *)
static int MimeLeaf_parse_line (char *, PRInt32, MimeObject *)
static int MimeLeaf_close_decoder (MimeObject *)
static int MimeLeaf_parse_eof (MimeObject *, PRBool)
static PRBool MimeLeaf_displayable_inline_p (MimeObjectClass *clazz, MimeHeaders *hdrs)
static int MimeLeafClassInitialize (MimeLeafClass *clazz)

Define Documentation

Definition at line 47 of file mimeleaf.cpp.


Function Documentation

MimeDefClass ( MimeLeaf  ,
MimeLeafClass  ,
mimeLeafClass  ,
MIME_SUPERCLASS 
)
static int MimeLeaf_close_decoder ( MimeObject obj) [static]

Definition at line 191 of file mimeleaf.cpp.

{
  MimeLeaf *leaf = (MimeLeaf *) obj;

  if (leaf->decoder_data)
  {
      int status = MimeDecoderDestroy(leaf->decoder_data, PR_FALSE);
      leaf->decoder_data = 0;
      return status;
  }

  return 0;
}

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static PRBool MimeLeaf_displayable_inline_p ( MimeObjectClass clazz,
MimeHeaders hdrs 
) [static]

Definition at line 229 of file mimeleaf.cpp.

{
  return PR_TRUE;
}

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static void MimeLeaf_finalize ( MimeObject object) [static]

Definition at line 97 of file mimeleaf.cpp.

{
  MimeLeaf *leaf = (MimeLeaf *)object;
  object->clazz->parse_eof (object, PR_FALSE);

  /* Free the decoder data, if it's still around.  It was probably freed
        in MimeLeaf_parse_eof(), but just in case... */
  if (leaf->decoder_data)
       {
         MimeDecoderDestroy(leaf->decoder_data, PR_TRUE);
         leaf->decoder_data = 0;
       }

  ((MimeObjectClass*)&MIME_SUPERCLASS)->finalize (object);
}

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static int MimeLeaf_initialize ( MimeObject obj) [static]

Definition at line 87 of file mimeleaf.cpp.

{
  /* This is an abstract class; it shouldn't be directly instantiated. */
  NS_ASSERTION(obj->clazz != (MimeObjectClass *) &mimeLeafClass, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00");

  return ((MimeObjectClass*)&MIME_SUPERCLASS)->initialize(obj);
}

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static int MimeLeaf_parse_begin ( MimeObject obj) [static]

Definition at line 115 of file mimeleaf.cpp.

{
  MimeLeaf *leaf = (MimeLeaf *) obj;
  MimeDecoderData *(*fn) (nsresult (*) (const char*, PRInt32, void*), void*) = 0;

  /* Initialize a decoder if necessary.
   */
  if (!obj->encoding)
       ;
  else if (!nsCRT::strcasecmp(obj->encoding, ENCODING_BASE64))
       fn = &MimeB64DecoderInit;
  else if (!nsCRT::strcasecmp(obj->encoding, ENCODING_QUOTED_PRINTABLE))
       leaf->decoder_data = 
          MimeQPDecoderInit(((nsresult (*) (const char *, PRInt32, void *))
                        ((MimeLeafClass *)obj->clazz)->parse_decoded_buffer),
                        obj, obj);
  else if (!nsCRT::strcasecmp(obj->encoding, ENCODING_UUENCODE) ||
                 !nsCRT::strcasecmp(obj->encoding, ENCODING_UUENCODE2) ||
                 !nsCRT::strcasecmp(obj->encoding, ENCODING_UUENCODE3) ||
                 !nsCRT::strcasecmp(obj->encoding, ENCODING_UUENCODE4))
       fn = &MimeUUDecoderInit;
  else if (!nsCRT::strcasecmp(obj->encoding, ENCODING_YENCODE))
    fn = &MimeYDecoderInit;

  if (fn)
       {
         leaf->decoder_data =
              fn (/* The (nsresult (*) ...) cast is to turn the `void' argument
                        into `MimeObject'. */
                     ((nsresult (*) (const char *, PRInt32, void *))
                      ((MimeLeafClass *)obj->clazz)->parse_decoded_buffer),
                     obj);

         if (!leaf->decoder_data)
              return MIME_OUT_OF_MEMORY;
       }

  return ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_begin(obj);
}

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static int MimeLeaf_parse_buffer ( const char *  buffer,
PRInt32  size,
MimeObject obj 
) [static]

Definition at line 157 of file mimeleaf.cpp.

{
  MimeLeaf *leaf = (MimeLeaf *) obj;

  NS_ASSERTION(!obj->closed_p, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
  if (obj->closed_p) return -1;

  /* If we're not supposed to write this object, bug out now.
   */
  if (!obj->output_p ||
         !obj->options ||
         !obj->options->output_fn)
       return 0;

  if (leaf->decoder_data &&
      obj->options && 
      obj->options->format_out != nsMimeOutput::nsMimeMessageDecrypt
      && obj->options->format_out != nsMimeOutput::nsMimeMessageAttach)
       return MimeDecoderWrite (leaf->decoder_data, buffer, size);
  else
       return ((MimeLeafClass *)obj->clazz)->parse_decoded_buffer (buffer, size,
                                                                                                                obj);
}

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static int MimeLeaf_parse_eof ( MimeObject obj,
PRBool  abort_p 
) [static]

Definition at line 207 of file mimeleaf.cpp.

{
  MimeLeaf *leaf = (MimeLeaf *) obj;
  if (obj->closed_p) return 0;

  /* Close off the decoder, to cause it to give up any buffered data that
        it is still holding.
   */
  if (leaf->decoder_data)
  {
      int status = MimeLeaf_close_decoder(obj);
      if (status < 0) return status;
  }

  /* Now run the superclass's parse_eof, which will force out the line
        buffer (which we may have just repopulated, above.)
   */
  return ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_eof (obj, abort_p);
}

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static int MimeLeaf_parse_line ( char *  line,
PRInt32  length,
MimeObject obj 
) [static]

Definition at line 182 of file mimeleaf.cpp.

{
  NS_ASSERTION(0, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
  /* This method shouldn't ever be called. */
  return -1;
}

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static int MimeLeafClassInitialize ( MimeLeafClass clazz) [static]

Definition at line 61 of file mimeleaf.cpp.

{
  MimeObjectClass *oclass = (MimeObjectClass *) clazz;
  NS_ASSERTION(!oclass->class_initialized, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00");
  oclass->initialize   = MimeLeaf_initialize;
  oclass->finalize     = MimeLeaf_finalize;
  oclass->parse_begin  = MimeLeaf_parse_begin;
  oclass->parse_buffer = MimeLeaf_parse_buffer;
  oclass->parse_line   = MimeLeaf_parse_line;
  oclass->parse_eof    = MimeLeaf_parse_eof;
  oclass->displayable_inline_p = MimeLeaf_displayable_inline_p;
  clazz->close_decoder = MimeLeaf_close_decoder;

  /* Default `parse_buffer' method is one which line-buffers the now-decoded
        data and passes it on to `parse_line'.  (We snarf the implementation of
        this method from our superclass's implementation of `parse_buffer', which
        inherited it from MimeObject.)
   */
  clazz->parse_decoded_buffer =
       ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_buffer;

  return 0;
}

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