aboutsummaryrefslogtreecommitdiffstats
path: root/camel/gmime-content-field.c
blob: 6cd368664e72242fed0ea5b6b64d43b09ae1de91 (plain) (blame)
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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mime-content_field.c : mime content type field utilities  */

/* 
 *
 * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@inria.fr> .
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License as 
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */




#include "gmime-content-field.h"
#include "gstring-util.h"

GMimeContentField *
gmime_content_field_new (GString *type, GString *subtype)
{
    GMimeContentField *ct;

    ct = g_new (GMimeContentField,1);
    ct->type = type;
    ct->subtype = subtype;
    ct->parameters =  g_hash_table_new(g_string_hash, g_string_equal_for_hash);
    
} 


void 
gmime_content_field_set_parameter(GMimeContentField *content_field, GString *attribute, GString *value)
{
    gboolean attribute_exists;
    GString *old_attribute;
    GString *old_value;

    attribute_exists = g_hash_table_lookup_extended (content_field->parameters, 
                             attribute, 
                             (gpointer *) &old_attribute,
                             (gpointer *) &old_value);
    if (attribute_exists) {
        g_string_assign(old_value, value->str);
        g_string_free (value, TRUE);
        g_string_free (attribute, TRUE);
    } else
        g_hash_table_insert (content_field->parameters, attribute, value);
}


static void
_print_parameter (gpointer name, gpointer value, gpointer user_data)
{
    CamelStream *stream = (CamelStream *)user_data;
    
    camel_stream_write_strings (stream, 
                    "; \n    ", 
                    ((GString *)name)->str, 
                    "=", 
                    ((GString *)value)->str,
                    NULL);
    
}

/**
 * gmime_content_field_write_to: write a mime content type to a stream
 * @content_field: content type object
 * @stream: the stream
 * 
 * 
 **/
void
gmime_content_field_write_to_stream (GMimeContentField *content_field, CamelStream *stream)
{
    if (!content_field) return;
    if ((content_field->type) && ((content_field->type)->str)) {
        //fprintf (file, "Content-Type: %s", content_field->type->str);
        camel_stream_write_strings (stream, "Content-Type: ", content_field->type->str, NULL);
        if ((content_field->subtype) && ((content_field->subtype)->str)) {
            //fprintf (file, "/%s", content_field->subtype->str);
            camel_stream_write_strings (stream, "/", content_field->subtype->str, NULL);
        }
        /* print all parameters */
        g_hash_table_foreach (content_field->parameters, _print_parameter, stream);
        //fprintf (file, "\n");
        camel_stream_write_string (stream, "\n");
    }
}

GMimeContentField *
gmime_content_field_construct_from_string (GString *string)
{
    GMimeContentField *cf;
    gint first, len;
    gchar *str;
    gint i=0;
    GString *type, *subtype;
    GString *param_name, *param_value;
    gboolean param_end;
    
    g_assert (string);
    g_assert (string->str);

    cf = g_new (GMimeContentField,1);
    str = string->str;
    first = 0;
    len = string->len;
    if (!len) return NULL;

    /* find the type */
    while ( (i<len) && (!strchr ("/;", str[i])) ) i++;
    
    if (i == 0) return NULL;
    
    type = g_string_new (strndup (str, i));
    if (i == len) return (gmime_content_field_new (type, NULL));
    
    first = i+1;
    /* find the subtype, if any */
    if (str[i++] == '/') {
        while ( (i<len) && (str[i] != ';') ) i++;
        if (i != first) {
            subtype = g_string_new (strndup (str+first, i-first));
            if (first == len) return (gmime_content_field_new (type, subtype));
        }
    }
    first = i+1;
    cf = gmime_content_field_new (type, subtype);

    /* parse parameters list */
    param_end = FALSE;
    do {
        while ( (i<len) && (str[i] != '=') ) i++;
        if ((i == len) || (i==first)) param_end = TRUE;
        else {
            /* we have found parameter name */
            param_name = g_string_new (strndup (str+first, i-first));
            i++;
            first = i;
            while ( (i<len) && (str[i] != ';') ) i++;
            if (i != first) {
                /** ****/
            } else {

            }
        }
    } while ((!param_end) && (first < len));

    return cf;
}