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rfc2045: import walk_mime

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pull/2/head
Christian Neukirchen 8 years ago
parent 56e89c9a55
commit 27b21d7e20
3 changed files with 51 additions and 56 deletions
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4
blaze822.h
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@ -37,6 +37,10 @@ int blaze822_mime_body(struct message *msg, char **cto, char **bodyo, size_t *bo
int blaze822_multipart(struct message *msg, struct message **imsg);
int blaze822_mime_parameter(char *s, char *name, char **starto, char **stopo);
typedef enum { MIME_CONTINUE, MIME_STOP, MIME_PRUNE } blaze822_mime_action;
typedef blaze822_mime_action (*blaze822_mime_callback)(int, struct message *, char *, size_t);
blaze822_mime_action blaze822_walk_mime(struct message *, int, blaze822_mime_callback);
// seq.c
char *blaze822_seq_open(char *file);

69
mshow.c
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@ -144,16 +144,6 @@ tlmimetype(char *ct)
return strndup(ct, s-ct);
}
typedef enum {
MIME_CONTINUE,
MIME_STOP,
MIME_PRUNE,
} mime_action;
typedef mime_action (*mime_callback)(int, struct message *, char *, size_t);
mime_action walk_mime(struct message *msg, int depth, mime_callback visit);
char *
mime_filename(struct message *msg)
{
@ -172,7 +162,7 @@ mime_filename(struct message *msg)
static void choose_alternative(struct message *msg, int depth);
mime_action
blaze822_mime_action
render_mime(int depth, struct message *msg, char *body, size_t bodylen)
{
char *ct = blaze822_hdr(msg, "content-type");
@ -194,7 +184,7 @@ render_mime(int depth, struct message *msg, char *body, size_t bodylen)
}
char *cmd;
mime_action r = MIME_CONTINUE;
blaze822_mime_action r = MIME_CONTINUE;
if (filters &&
((cmd = blaze822_chdr(filters, mt)) ||
@ -222,7 +212,7 @@ render_mime(int depth, struct message *msg, char *body, size_t bodylen)
printf(" filter=\"%s\" ---\n", cmd);
struct message *imsg = blaze822_mem(output, outlen);
if (imsg)
walk_mime(imsg, depth+1, render_mime);
blaze822_walk_mime(imsg, depth+1, render_mime);
blaze822_free(imsg);
} else if (e >= 65 && e <= 80) { // choose N-64th part
struct message *imsg = 0;
@ -230,7 +220,7 @@ render_mime(int depth, struct message *msg, char *body, size_t bodylen)
printf(" selector=\"%s\" part=%d ---\n", cmd, n);
while (blaze822_multipart(msg, &imsg)) {
if (--n == 0)
walk_mime(imsg, depth+1, render_mime);
blaze822_walk_mime(imsg, depth+1, render_mime);
}
blaze822_free(imsg);
} else {
@ -272,7 +262,7 @@ nofilter:
r = MIME_PRUNE;
} else if (strncmp(ct, "multipart/", 10) == 0) {
; // default mime_walk action
; // default blaze822_mime_walk action
} else {
printf("no filter or default handler\n");
}
@ -313,11 +303,11 @@ choose_alternative(struct message *msg, int depth)
imsg = 0;
while (blaze822_multipart(msg, &imsg))
if (--n == 0)
walk_mime(imsg, depth+1, render_mime);
blaze822_walk_mime(imsg, depth+1, render_mime);
blaze822_free(imsg);
}
mime_action
blaze822_mime_action
reply_mime(int depth, struct message *msg, char *body, size_t bodylen)
{
(void) depth;
@ -346,7 +336,7 @@ reply_mime(int depth, struct message *msg, char *body, size_t bodylen)
return MIME_CONTINUE;
}
mime_action
blaze822_mime_action
list_mime(int depth, struct message *msg, char *body, size_t bodylen)
{
(void) body;
@ -367,39 +357,6 @@ list_mime(int depth, struct message *msg, char *body, size_t bodylen)
return MIME_CONTINUE;
}
mime_action
walk_mime(struct message *msg, int depth, mime_callback visit)
{
char *ct, *body, *bodychunk;
size_t bodylen;
mime_action r = MIME_CONTINUE;
if (blaze822_mime_body(msg, &ct, &body, &bodylen, &bodychunk)) {
mime_action r = visit(depth, msg, body, bodylen);
if (r == MIME_CONTINUE) {
if (strncmp(ct, "multipart/", 10) == 0) {
struct message *imsg = 0;
while (blaze822_multipart(msg, &imsg)) {
r = walk_mime(imsg, depth+1, visit);
if (r == MIME_STOP)
break;
}
} else if (strncmp(ct, "message/rfc822", 14) == 0) {
struct message *imsg = blaze822_mem(body, bodylen);
if (imsg)
walk_mime(imsg, depth+1, visit);
}
}
free(bodychunk);
}
return r;
}
void
list(char *file)
{
@ -408,7 +365,7 @@ list(char *file)
return;
mimecount = 0;
printf("%s\n", file);
walk_mime(msg, 0, list_mime);
blaze822_walk_mime(msg, 0, list_mime);
}
void
@ -417,7 +374,7 @@ reply(char *file)
struct message *msg = blaze822_file(file);
if (!msg)
return;
walk_mime(msg, 0, reply_mime);
blaze822_walk_mime(msg, 0, reply_mime);
}
static int extract_argc;
@ -458,7 +415,7 @@ writefile(char *name, char *buf, ssize_t len)
return 0;
}
mime_action
blaze822_mime_action
extract_mime(int depth, struct message *msg, char *body, size_t bodylen)
{
(void) body;
@ -525,7 +482,7 @@ extract_cb(char *file)
if (!msg)
return;
mimecount = 0;
walk_mime(msg, 0, extract_mime);
blaze822_walk_mime(msg, 0, extract_mime);
}
void
@ -708,7 +665,7 @@ show(char *file)
}
mimecount = 0;
walk_mime(msg, 0, render_mime);
blaze822_walk_mime(msg, 0, render_mime);
done:
blaze822_free(msg);

34
rfc2045.c
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@ -2,6 +2,7 @@
#include <strings.h>
#include <string.h>
#include <stdlib.h>
#include "blaze822.h"
#include "blaze822_priv.h"
@ -165,3 +166,36 @@ blaze822_multipart(struct message *msg, struct message **imsg)
return 1;
}
blaze822_mime_action
blaze822_walk_mime(struct message *msg, int depth, blaze822_mime_callback visit)
{
char *ct, *body, *bodychunk;
size_t bodylen;
blaze822_mime_action r = MIME_CONTINUE;
if (blaze822_mime_body(msg, &ct, &body, &bodylen, &bodychunk)) {
r = visit(depth, msg, body, bodylen);
if (r == MIME_CONTINUE) {
if (strncmp(ct, "multipart/", 10) == 0) {
struct message *imsg = 0;
while (blaze822_multipart(msg, &imsg)) {
r = blaze822_walk_mime(imsg, depth+1, visit);
if (r == MIME_STOP)
break;
}
} else if (strncmp(ct, "message/rfc822", 14) == 0) {
struct message *imsg = blaze822_mem(body, bodylen);
if (imsg)
blaze822_walk_mime(imsg, depth+1, visit);
}
}
free(bodychunk);
}
return r;
}

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