X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/28c3595a77a8c942bee1057085776dad0b3d53f4..582d5e802ceb8e0c7f0dc5b83fdbf2a62fc10fb3:/h/mhparse.h?ds=sidebyside diff --git a/h/mhparse.h b/h/mhparse.h index 7ade8a3c..00802d13 100644 --- a/h/mhparse.h +++ b/h/mhparse.h @@ -1,12 +1,10 @@ - -/* - * mhparse.h -- definitions for parsing/building of MIME content +/* mhparse.h -- definitions for parsing/building of MIME content * -- (mhparse.c/mhbuildsbr.c) */ #define NPARTS 50 #define NTYPES 20 -#define NPARMS 10 +#define NPREFS 20 /* * Abstract type for header fields @@ -87,9 +85,29 @@ struct cefile { * At the top level, the c_first_hf list has a list of all message * headers. If the content-type is multipart (c_type == CT_MULTIPART) * then c_ctparams will contain a pointer to a struct multipart. - * A struct multipart contains (among other trhings) a linked list + * A struct multipart contains (among other things) a linked list * of struct part elements, and THOSE contain a pointer to the sub-part's * Content structure. + * + * An extra note for message/external-body parts. The enclosing + * content structure is marked as a message/external-body; the c_ctparams + * contains a pointer to a struct exbody, which contains a pointer to + * (among other things) the "real" content (e.g., application/octet-stream). + * The "real" content structure has the c_ctexbody pointer back to the + * same struct exbody sees in the enclosing content structure (the struct + * exbody contains parent pointers if you need to traverse up the content + * structure). Hopefully this makes it clearer: + * + * Enclosing content: + * Type: message/external-body + * c_ctparams: pointer to "struct exbody" + * c_ctexbody: NULL + * + * "Real" content: + * Type: application/octet-stream (or whatever) + * c_ctparams: NULL + * c_ctexbody: pointer to "struct exbody" + * */ struct Content { /* source (read) file */ @@ -141,8 +159,7 @@ struct Content { SizeCEFunc c_cesizefnx; /* size of decoded contents */ int c_umask; /* associated umask */ - pid_t c_pid; /* process doing display */ - int c_rfc934; /* rfc934 compatibility flag */ + int c_rfc934; /* RFC 934 compatibility flag */ char *c_showproc; /* default, if not in profile */ char *c_termproc; /* for charset madness... */ @@ -194,6 +211,10 @@ struct Content { /* Structure for text content */ struct text { int tx_charset; /* flag for character set */ + int lf_line_endings; /* Whether to use CR LF (0) or LF (1) line + endings. The meaning of 0 was selected so + that CR LF is the default, in accordance + with RFC 2046, Sec. 4.1.1, Par. 1. */ }; /* @@ -206,6 +227,7 @@ struct text { #define MULTI_ALTERNATE 0x02 #define MULTI_DIGEST 0x03 #define MULTI_PARALLEL 0x04 +#define MULTI_RELATED 0x05 /* Structure for subparts of a multipart content */ struct part { @@ -299,7 +321,6 @@ extern struct str2init str2methods[]; /* * prototypes */ -int pidcheck (int); CT parse_mime (char *); /* @@ -339,17 +360,30 @@ void close_encoding (CT); void free_content (CT); char *ct_type_str (int); char *ct_subtype_str (int, int); +int ct_str_type (const char *); +int ct_str_subtype (int, const char *); const struct str2init *get_ct_init (int); const char *ce_str (int); const struct str2init *get_ce_method (const char *); char *content_charset (CT); int convert_charset (CT, char *, int *); +void reverse_alternative_parts (CT); + +/* + * Given a content structure, return true if the content has a disposition + * of "inline". + * + * Arguments are: + * + * ct - Content structure to examine + */ +int is_inline(CT ct); /* * Given a list of messages, display information about them on standard * output. * - * Argumens are: + * Arguments are: * * cts - An array of CT elements of messages that need to be * displayed. Array is terminated by a NULL. @@ -381,7 +415,7 @@ int list_content(CT ct, int toplevel, int realsize, int verbose, int debug, int dispo); /* - * Display content-appropriate information on MIME parts, decending recursively + * Display content-appropriate information on MIME parts, descending recursively * into multipart content if appropriate. Uses list_content() for displaying * generic information. * @@ -411,6 +445,21 @@ int list_switch(CT ct, int toplevel, int realsize, int verbose, int debug, char *output_params(size_t initialwidth, PM params, int *offsetout, int external); +/* + * Encode a parameter value using RFC 2231 encode. + * + * Arguments are: + * + * pm - PM containing the parameter value and related info. + * output - Output buffer. + * len - Size, in octets, of output buffer. + * valuelen - Number of characters in the value + * valueoff - Offset into value field (pm->pm_value). + * index - If 0, output character set and language tag. + */ +size_t encode_param(PM pm, char *output, size_t len, size_t valuelen, + size_t valueoff, int index); + /* * Add a parameter to the parameter linked list. * @@ -474,4 +523,57 @@ char *get_param(PM first, const char *name, char replace, int fetchonly); */ char *get_param_value(PM pm, char replace); +/* + * Display MIME message(s) on standard out. + * + * Arguments are: + * + * cts - NULL terminated array of CT structures for messages + * to display + * concat - If true, concatenate all MIME parts. If false, show each + * MIME part under a separate pager. + * textonly - If true, only display "text" MIME parts + * inlineonly - If true, only display MIME parts that are marked with + * a disposition of "inline" (includes parts that lack a + * Content-Disposition header). + * markerform - The name of a file containing mh-format(5) code used to + * display markers about non-displayed MIME parts. + */ +void show_all_messages(CT *cts, int concat, int textonly, int inlineonly); + +/* + * Display (or store) a single MIME part using the specified command + * + * Arguments are: + * + * ct - The Content structure of the MIME part we wish to display + * alternate - Set this to true if this is one part of a MIME + * multipart/alternative part. Will suppress some errors and + * will cause the function to return DONE instead of OK on + * success. + * cp - The command string to execute. Will be run through the + * parser for %-escapes as described in mhshow(1). + * cracked - If set, chdir() to this directory before executing the + * command in "cp". Only used by mhstore(1). + * fmt - A series of mh-format(5) instructions to execute if the + * command string indicates a marker is desired. Can be NULL. + * + * Returns NOTOK if we could not display the part, DONE if alternate was + * set and we could display the part, and OK if alternate was not set and + * we could display the part. + */ +struct format; +int show_content_aux(CT ct, int alternate, char *cp, char *cracked, + struct format *fmt); + extern int checksw; /* Add Content-MD5 field */ + +/* + * mhstore + * Put it here because it uses the CT typedef. + */ +typedef struct mhstoreinfo *mhstoreinfo_t; +mhstoreinfo_t mhstoreinfo_create(CT *, char *, const char *, int, int); +int mhstoreinfo_files_not_clobbered(const mhstoreinfo_t); +void mhstoreinfo_free(mhstoreinfo_t); +void store_all_messages (mhstoreinfo_t);