turn charset into a lua package as well.
[apps/madmutt.git] / lib-mime / mime.c
index 2311083..8f10d56 100644 (file)
  *
  *  Copyright © 2006 Pierre Habouzit
  */
+/*
+ * Copyright notice from original mutt:
+ * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
+ * Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
+ */
+
+#include <lib-lib/lib-lib.h>
 
-#include "mime-types.h"
+#include "mime.h"
 
-#include "mutt.h"
+#define BOUNDARYLEN 16
 
 const char MimeSpecials[] = "@.,;:<>[]\\\"()?/= \t";
 
@@ -45,30 +52,100 @@ const char *BodyEncodings[] = {
     "x-uuencoded",
 };
 
-void address_wipe(address_t *addr)
+/****************************************************************************/
+/* rfc822 header parameters                                                 */
+/****************************************************************************/
+
+char *parameter_getval(parameter_t *parm, const char *s)
+{
+    while (parm) {
+        if (!ascii_strcasecmp(parm->attribute, s))
+            return parm->value;
+        parm = parm->next;
+    }
+    return NULL;
+}
+
+void parameter_setval(parameter_t **p, const char *attribute, const char *value)
 {
-    p_delete(&addr->personal);
-    p_delete(&addr->mailbox);
-    address_delete(&addr->next);
+    while (*p) {
+        if (!ascii_strcasecmp(attribute, (*p)->attribute)) {
+            if (value) {
+                m_strreplace(&(*p)->value, value);
+            } else {
+                parameter_t *q = parameter_list_pop(p);
+                parameter_delete(&q);
+            }
+            return;
+        }
+        p = &(*p)->next;
+    }
+
+    if (value) {
+        (*p) = parameter_new();
+        (*p)->attribute = m_strdup(attribute);
+        (*p)->value = m_strdup(value);
+    }
 }
 
-void parameter_wipe(PARAMETER *param)
+void parameter_delval(parameter_t **p, const char *attribute)
 {
-    p_delete(&param->attribute);
-    p_delete(&param->value);
-    parameter_delete(&param->next);
+    while (*p) {
+        if (!ascii_strcasecmp(attribute, (*p)->attribute)) {
+            parameter_t *q = parameter_list_pop(p);
+            parameter_delete(&q);
+            return;
+        }
+
+        p = &(*p)->next;
+    }
 }
 
+int parameter_equal(const parameter_t *p1, const parameter_t *p2)
+{
+    while (p1 && p2) {
+        if (m_strcmp(p1->attribute, p2->attribute)
+        ||  m_strcmp(p1->value, p2->value))
+            return 0;
+
+        p1 = p1->next;
+        p2 = p2->next;
+    }
+
+    if (p1 || p2)
+        return 0;
+
+    return 1;
+}
+
+void parameter_set_boundary(parameter_t **parm)
+{
+    char rs[BOUNDARYLEN + 1];
+    int i;
+
+    for (i = 0; i < BOUNDARYLEN; i++) {
+        rs[i] = __m_b64chars[lrand48() % sizeof(__m_b64chars)];
+    }
+    rs[BOUNDARYLEN] = '\0';
+
+    parameter_setval(parm, "boundary", rs);
+}
+
+
+/****************************************************************************/
+/* XXX                                                                      */
+/****************************************************************************/
+
 void envelope_wipe(ENVELOPE *p)
 {
-    address_delete(&p->return_path);
-    address_delete(&p->from);
-    address_delete(&p->to);
-    address_delete(&p->cc);
-    address_delete(&p->bcc);
-    address_delete(&p->sender);
-    address_delete(&p->reply_to);
-    address_delete(&p->mail_followup_to);
+    address_list_wipe(&p->return_path);
+    address_list_wipe(&p->from);
+    address_list_wipe(&p->to);
+    address_list_wipe(&p->cc);
+    address_list_wipe(&p->bcc);
+    address_list_wipe(&p->sender);
+    address_list_wipe(&p->reply_to);
+    address_list_wipe(&p->mail_followup_to);
 
     p_delete(&p->list_post);
     p_delete(&p->subject);
@@ -86,21 +163,83 @@ void envelope_wipe(ENVELOPE *p)
 #endif
 
     mutt_buffer_free (&p->spam);
-    mutt_free_list(&p->references);
-    mutt_free_list(&p->in_reply_to);
-    mutt_free_list(&p->userhdrs);
+    string_list_wipe(&p->references);
+    string_list_wipe(&p->in_reply_to);
+    string_list_wipe(&p->userhdrs);
+}
+
+void body_wipe(BODY *b)
+{
+    if (b->parameter)
+        parameter_list_wipe(&b->parameter);
+
+    if (b->unlink && b->filename) {
+        unlink (b->filename);
+    }
+
+    p_delete(&b->filename);
+    p_delete(&b->content);
+    p_delete(&b->xtype);
+    p_delete(&b->subtype);
+    p_delete(&b->description);
+    p_delete(&b->form_name);
+
+    if (b->hdr) {
+        /* Don't free twice (b->hdr->content = b->parts) */
+        b->hdr->content = NULL;
+        header_delete(&b->hdr);
+    }
+
+    if (b->parts)
+        body_list_wipe(&b->parts);
 }
 
 void header_wipe(HEADER *h)
 {
     envelope_delete(&h->env);
-    mutt_free_body (&h->content);
+    body_list_wipe(&h->content);
     p_delete(&h->maildir_flags);
     p_delete(&h->tree);
     p_delete(&h->path);
-#ifdef MIXMASTER
-    mutt_free_list(&h->chain);
-#endif
+    string_list_wipe(&h->chain);
     p_delete(&h->data);
 }
 
+
+/****************************************************************************/
+/* misc functions                                                           */
+/****************************************************************************/
+
+int mutt_is_message_type(BODY *b)
+{
+    int tok;
+
+    if (b->type != TYPEMESSAGE)
+        return 0;
+
+    tok = mime_which_token(b->subtype, -1);
+    return tok == MIME_RFC822 || tok == MIME_NEWS;
+}
+
+int mutt_is_text_part(BODY * b)
+{
+    char *s = b->subtype;
+
+    if (mutt_is_application_pgp(b))
+        return 0;
+
+    switch (b->type) {
+      case TYPETEXT:
+        return 1;
+
+      case TYPEMESSAGE:
+        return mime_which_token(s, -1) == MIME_DELIVERY_STATUS;
+
+      case TYPEAPPLICATION:
+        return mime_which_token(s, -1) == MIME_PGP_KEYS;
+
+      default:
+        return 0;
+    }
+}
+