diff options
Diffstat (limited to 'camel/camel-mime-utils.h')
| -rw-r--r-- | camel/camel-mime-utils.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/camel/camel-mime-utils.h b/camel/camel-mime-utils.h new file mode 100644 index 0000000000..931e479a99 --- /dev/null +++ b/camel/camel-mime-utils.h @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2000 Helix Code Inc. + * + * Authors: Michael Zucchi <notzed@helixcode.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library 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 Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _CAMEL_MIME_UTILS_H +#define _CAMEL_MIME_UTILS_H + +#include <time.h> + +struct _header_param { + struct _header_param *next; + char *name; + char *value; +}; + +/* describes a content-type */ +struct _header_content_type { + char *type; + char *subtype; + struct _header_param *params; + unsigned int refcount; +}; + +/* a raw rfc822 header */ +/* the value MUST be US-ASCII */ +struct _header_raw { + struct _header_raw *next; + char *name; + char *value; + int offset; /* in file, if known */ +}; + +typedef struct _CamelMimeDisposition { + char *disposition; + struct _header_param *params; + unsigned int refcount; +} CamelMimeDisposition; + +struct _header_content_type *header_content_type_new(const char *type, const char *subtype); +struct _header_content_type *header_content_type_decode(const char *in); +void header_content_type_unref(struct _header_content_type *ct); +void header_content_type_ref(struct _header_content_type *ct); +const char *header_content_type_param(struct _header_content_type *t, const char *name); +void header_content_type_set_param(struct _header_content_type *t, const char *name, const char *value); +int header_content_type_is(struct _header_content_type *ct, const char *type, const char *subtype); + +char *header_param(struct _header_param *p, char *name); +struct _header_param *header_set_param(struct _header_param **l, const char *name, const char *value); + +CamelMimeDisposition *header_disposition_decode(const char *in); +void header_disposition_ref(CamelMimeDisposition *); +void header_disposition_unref(CamelMimeDisposition *); + +/* decode the contents of a content-encoding header */ +char *header_content_encoding_decode(const char *in); + +/* working with lists of headers */ +void header_raw_append(struct _header_raw **list, const char *name, const char *value, int offset); +void header_raw_append_parse(struct _header_raw **list, const char *header, int offset); +const char *header_raw_find(struct _header_raw **list, const char *name, int *ofset); +void header_raw_replace(struct _header_raw **list, const char *name, const char *value, int offset); +void header_raw_remove(struct _header_raw **list, const char *name); +void header_raw_clear(struct _header_raw **list); + +/* raw header parsing functions */ +char *header_decode_token(const char **in); + +/* decode a string type, like a subject line */ +char *header_decode_string(const char *in); + +/* decode an email date field into a GMT time, + optional offset */ +time_t header_decode_date(const char *in, int *saveoffset); +char *header_format_date(time_t time, int offset); + +/* decode a message id */ +char *header_msgid_decode(const char *in); + +/* do incremental base64/quoted-printable (de/en)coding */ +int base64_decode_step(unsigned char *in, int len, unsigned char *out, int *state, unsigned int *save); + +int base64_encode_step(unsigned char *in, int len, unsigned char *out, int *state, int *save); +int base64_encode_close(unsigned char *in, int inlen, unsigned char *out, int *state, int *save); + +int quoted_decode_step(unsigned char *in, int len, unsigned char *out, int *savestate, int *saveme); + +int quoted_encode_step(unsigned char *in, int len, unsigned char *out, int *state, int *save); +int quoted_encode_close(unsigned char *in, int len, unsigned char *out, int *state, int *save); + +#endif /* ! _CAMEL_MIME_UTILS_H */ |