summaryrefslogtreecommitdiff
path: root/libmu_scm/mu_mime.c
blob: c8f512b339d0aac595161d69504e9c51d51f30a4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001, 2006, 2007, 2010 Free Software
   Foundation, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General
   Public License along with this library; if not, write to the
   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301 USA */

#include "mu_scm.h"

static scm_t_bits mime_tag;

struct mu_mime
{
  mu_mime_t mime;
  SCM owner;
};

/* SMOB functions: */

static SCM
mu_scm_mime_mark (SCM mime_smob)
{
  struct mu_mime *mum = (struct mu_mime *) SCM_CDR (mime_smob);
  return mum->owner;
}

static scm_sizet
mu_scm_mime_free (SCM mime_smob)
{
  struct mu_mime *mum = (struct mu_mime *) SCM_CDR (mime_smob);
  mu_mime_destroy (&mum->mime);
  free (mum);
  return sizeof (struct mu_mime);
}

static int
mu_scm_mime_print (SCM mime_smob, SCM port, scm_print_state * pstate)
{
  struct mu_mime *mum = (struct mu_mime *) SCM_CDR (mime_smob);
  size_t nparts = 0;
  
  mu_mime_get_num_parts (mum->mime, &nparts);
  
  scm_puts ("#<mime ", port);
  scm_intprint (nparts, 10, port);
  scm_putc ('>', port);
  
  return 1;
}

/* Internal calls: */

SCM
mu_scm_mime_create (SCM owner, mu_mime_t mime)
{
  struct mu_mime *mum;

  mum = scm_gc_malloc (sizeof (struct mu_mime), "mime");
  mum->owner = owner;
  mum->mime = mime;
  SCM_RETURN_NEWSMOB (mime_tag, mum);
}

mu_mime_t
mu_scm_mime_get (SCM MIME)
{
  struct mu_mime *mum = (struct mu_mime *) SCM_CDR (MIME);
  return mum->mime;
}

int
mu_scm_is_mime (SCM scm)
{
  return SCM_NIMP (scm) && (long) SCM_CAR (scm) == mime_tag;
}

/* ************************************************************************* */
/* Guile primitives */

SCM_DEFINE_PUBLIC (scm_mu_mime_create, "mu-mime-create", 0, 2, 0,
	    (SCM FLAGS, SCM MESG),
"Creates a new @acronym{MIME} object.  Both arguments are optional.\n"
"FLAGS specifies the type of the object to create (@samp{0} is a reasonable\n"
"value).  MESG gives the message to create the @acronym{MIME} object from.")
#define FUNC_NAME s_scm_mu_mime_create
{
  mu_message_t msg = NULL;
  mu_mime_t mime;
  int flags;
  int status;
  
  if (scm_is_bool (FLAGS))
    {
      /*if (FLAGS == SCM_BOOL_F)*/
      flags = 0;
    }
  else
    {
      SCM_ASSERT (scm_is_integer (FLAGS), FLAGS, SCM_ARG1, FUNC_NAME);
      flags = scm_to_int32 (FLAGS);
    }
  
  if (!SCM_UNBNDP (MESG))
    {
      SCM_ASSERT (mu_scm_is_message (MESG), MESG, SCM_ARG2, FUNC_NAME);
      msg = mu_scm_message_get (MESG);
    }
  
  status = mu_mime_create (&mime, msg, flags);
  if (status)
    mu_scm_error (FUNC_NAME, status,
		  "Cannot create MIME object", SCM_BOOL_F);
  
  return mu_scm_mime_create (MESG, mime);
}
#undef FUNC_NAME

SCM_DEFINE_PUBLIC (scm_mu_mime_multipart_p, "mu-mime-multipart?", 1, 0, 0,
	    (SCM MIME),
"Returns @code{#t} if MIME is a multipart object.\n")
#define FUNC_NAME s_scm_mu_mime_multipart_p
{
  SCM_ASSERT (mu_scm_is_mime (MIME), MIME, SCM_ARG1, FUNC_NAME);
  return mu_mime_is_multipart (mu_scm_mime_get (MIME)) ? SCM_BOOL_T : SCM_BOOL_F;
}
#undef FUNC_NAME

SCM_DEFINE_PUBLIC (scm_mu_mime_get_num_parts, "mu-mime-get-num-parts", 1, 0, 0,
	    (SCM MIME),
"Returns number of parts in the @sc{mime} object MIME.")
#define FUNC_NAME s_scm_mu_mime_get_num_parts
{
  mu_mime_t mime;
  size_t nparts;
  int status;
  
  SCM_ASSERT (mu_scm_is_mime (MIME), MIME, SCM_ARG1, FUNC_NAME);
  mime = mu_scm_mime_get (MIME);
  status = mu_mime_get_num_parts (mime, &nparts);
  if (status)
    mu_scm_error (FUNC_NAME, status,
		  "Cannot count MIME parts", SCM_BOOL_F);
  return scm_from_size_t (nparts);
}
#undef FUNC_NAME

SCM_DEFINE_PUBLIC (scm_mu_mime_get_part, "mu-mime-get-part", 2, 0, 0,
	    (SCM MIME, SCM NUM),
	    "Returns NUMth part from the @sc{mime} object MIME.")
#define FUNC_NAME s_scm_mu_mime_get_part
{
  mu_message_t msg = NULL;
  int status;
  
  SCM_ASSERT (mu_scm_is_mime (MIME), MIME, SCM_ARG1, FUNC_NAME);
  SCM_ASSERT (scm_is_integer (NUM), NUM, SCM_ARG2, FUNC_NAME);
  
  status = mu_mime_get_part (mu_scm_mime_get (MIME),
			     scm_to_int32 (NUM), &msg);
  if (status)
    mu_scm_error (FUNC_NAME, status,
		  "Cannot get part ~A from MIME object ~A",
		  scm_list_2 (NUM, MIME));
  
  return mu_scm_message_create (MIME, msg);
}
#undef FUNC_NAME

SCM_DEFINE_PUBLIC (scm_mu_mime_add_part, "mu-mime-add-part", 2, 0, 0,
	    (SCM MIME, SCM MESG),
	    "Adds MESG to the @sc{mime} object MIME.")
#define FUNC_NAME s_scm_mu_mime_add_part
{
  mu_mime_t mime;
  mu_message_t msg;
  int status;
  
  SCM_ASSERT (mu_scm_is_mime (MIME), MIME, SCM_ARG1, FUNC_NAME);
  SCM_ASSERT (mu_scm_is_message (MESG), MESG, SCM_ARG2, FUNC_NAME);
  mime = mu_scm_mime_get (MIME);
  msg = mu_scm_message_get (MESG);

  status = mu_mime_add_part (mime, msg);
  if (status)
    mu_scm_error (FUNC_NAME, status,
		  "Cannot add new part to MIME object ~A",
		  scm_list_1 (MIME));
  
  mu_scm_message_add_owner (MESG, MIME);
  
  return SCM_BOOL_T;
}
#undef FUNC_NAME

SCM_DEFINE_PUBLIC (scm_mu_mime_get_message, "mu-mime-get-message", 1, 0, 0,
	    (SCM MIME),
	    "Converts @sc{mime} object MIME to a message.\n")
#define FUNC_NAME s_scm_mu_mime_get_message
{
  mu_mime_t mime;
  mu_message_t msg;
  int status;
  
  SCM_ASSERT (mu_scm_is_mime (MIME), MIME, SCM_ARG1, FUNC_NAME);
  mime = mu_scm_mime_get (MIME);
  status = mu_mime_get_message (mime, &msg);
  if (status)
    mu_scm_error (FUNC_NAME, status,
		  "Cannot get message from MIME object ~A",
		  scm_list_1 (MIME));

  return mu_scm_message_create (MIME, msg);
}
#undef FUNC_NAME

  
/* Initialize the module */

void
mu_scm_mime_init ()
{
  mime_tag = scm_make_smob_type ("mime", sizeof (struct mu_mime));
  scm_set_smob_mark (mime_tag, mu_scm_mime_mark);
  scm_set_smob_free (mime_tag, mu_scm_mime_free);
  scm_set_smob_print (mime_tag, mu_scm_mime_print);

#include "mu_mime.x"

}

Return to:

Send suggestions and report system problems to the System administrator.