/* FILE WRITER HTFWrite.h
** ===========
**
** This version of the stream object just writes to a C file.
** The file is assumed open and left open.
**
** Bugs:
** strings written must be less than buffer size.
*/
#include "HTUtils.h"
#include "tcp.h"
#include "LYCurses.h"
#include "HTFWriter.h"
#include "HTSaveToFile.h"
#include "HTFormat.h"
#ifdef EXP_CHARTRANS
#include "UCDefs.h"
#endif /* EXP_CHARTRANS */
#include "HTAlert.h"
#include "HTFile.h"
#include "HTPlain.h"
#include "HTFile.h"
#ifdef VMS
#include "HTVMSUtils.h"
#endif /* VMS */
#ifdef DOSPATH
#include "HTDOS.h"
#endif
#include "LYStrings.h"
#include "LYUtils.h"
#include "LYGlobalDefs.h"
#include "LYSignal.h"
#include "LYSystem.h"
#include "GridText.h"
#include "LYexit.h"
#include "LYLeaks.h"
#include "LYKeymap.h"
PUBLIC char * WWW_Download_File=NULL; /* contains the name of the temp file
** which is being downloaded into
*/
PUBLIC char LYCancelDownload=FALSE; /* exported to HTFormat.c in libWWW */
/* Type mismatch found here - char != BOOLEAN - WSB */
extern BOOLEAN dump_output_immediately; /* if true dump to stdout and quit */
#ifdef VMS
extern BOOLEAN HadVMSInterrupt; /* flag from cleanup_sig() */
PRIVATE char * FIXED_RECORD_COMMAND = NULL;
#ifdef USE_COMMAND_FILE /* Keep this as an option. - FM */
#define FIXED_RECORD_COMMAND_MASK "@Lynx_Dir:FIXED512 %s"
#else
#define FIXED_RECORD_COMMAND_MASK "%s"
PUBLIC unsigned long LYVMS_FixedLengthRecords PARAMS((char *filename));
#endif /* USE_COMMAND_FILE */
#endif /* VMS */
PUBLIC HTStream* HTSaveToFile PARAMS((
HTPresentation * pres,
HTParentAnchor * anchor,
HTStream * sink));
#define FREE(x) if (x) {free(x); x = NULL;}
/* Stream Object
** -------------
*/
struct _HTStream {
CONST HTStreamClass * isa;
FILE * fp; /* The file we've opened */
char * end_command; /* What to do on _free. */
char * remove_command; /* What to do on _abort. */
HTFormat input_format; /* Original pres->rep */
HTFormat output_format; /* Original pres->rep_out */
HTParentAnchor * anchor; /* Original stream's anchor. */
HTStream * sink; /* Original stream's sink. */
};
/*_________________________________________________________________________
**
** A C T I O N R O U T I N E S
** Bug:
** All errors are ignored.
*/
/* Character handling
** ------------------
*/
PRIVATE void HTFWriter_put_character ARGS2(HTStream *, me, char, c)
{
putc(c, me->fp);
}
/* String handling
** ---------------
**
** Strings must be smaller than this buffer size.
*/
PRIVATE void HTFWriter_put_string ARGS2(HTStream *, me, CONST char*, s)
{
fputs(s, me->fp);
}
/* Buffer write. Buffers can (and should!) be big.
** ------------
*/
PRIVATE void HTFWriter_write ARGS3(HTStream *, me, CONST char*, s, int, l)
{
fwrite(s, 1, l, me->fp);
}
/* Free an HTML object
** -------------------
**
** Note that the SGML parsing context is freed, but the created
** object is not,
** as it takes on an existence of its own unless explicitly freed.
*/
PRIVATE void HTFWriter_free ARGS1(HTStream *, me)
{
FILE *fp;
int len;
char *path = NULL;
char *addr = NULL;
int status;
extern int HTLoadFile PARAMS((
CONST char *addr, HTParentAnchor *anchor,
HTFormat format_out, HTStream *sink));
fflush(me->fp);
if (me->end_command) { /* Temp file */
fclose(me->fp);
#ifdef VMS
if (0 == strcmp(me->end_command, "SaveVMSBinaryFile")) {
/*
* It's a binary file saved to disk on VMS, which
* we want to convert to fixed records format. - FM
*/
#ifdef USE_COMMAND_FILE
system(FIXED_RECORD_COMMAND);
#else
LYVMS_FixedLengthRecords(FIXED_RECORD_COMMAND);
#endif /* USE_COMMAND_FILE */
FREE(FIXED_RECORD_COMMAND);
if (me->remove_command) {
/* NEVER REMOVE THE FILE unless during an abort!!!*/
/* system(me->remove_command); */
FREE(me->remove_command);
}
} else
#endif /* VMS */
if (me->input_format == HTAtom_for("www/compressed")) {
/*
* It's a compressed file supposedly cached to
* a temporary file for uncompression. - FM
*/
if (me->anchor->FileCache != NULL) {
/*
* Save the path with the "gz" or "Z" suffix trimmed,
* and remove any previous uncompressed copy. - FM
*/
StrAllocCopy(path, me->anchor->FileCache);
if ((len = strlen(path)) > 2) {
if (!strcasecomp((char *)&path[len-2], "gz")) {
path[len-3] = '\0';
remove(path);
} else if (!strcasecomp((char *)&path[len-1], "Z")) {
path[len-2] = '\0';
remove(path);
}
}
if (!dump_output_immediately) {
/*
* Tell user what's happening. - FM
*/
_HTProgress(me->end_command);
}
/*
* Uncompress it. - FM
*/
system(me->end_command);
if ((fp = fopen(me->anchor->FileCache, "r")) != NULL) {
/*
* It's still there with the "gz" of "Z" suffix,
* so the uncompression failed. - FM
*/
fclose(fp);
if (!dump_output_immediately) {
clearok(curscr, TRUE);
refresh();
}
HTAlert(ERROR_UNCOMPRESSING_TEMP);
remove(me->anchor->FileCache);
FREE(me->anchor->FileCache);
} else {
/*
* Succeeded! Create a complete address
* for the uncompressed file and invoke
* HTLoadFile() to handle it. - FM
*/
StrAllocCopy(addr, "file://localhost");
#ifdef DOSPATH
StrAllocCat(addr, "/");
StrAllocCat(addr, HTDOS_wwwName(path));
#else
#ifdef VMS
StrAllocCat(addr, HTVMS_wwwName(path));
#else
StrAllocCat(addr, path);
#endif /* VMS */
#endif /* DOSPATH */
StrAllocCopy(me->anchor->FileCache, path);
FREE(path);
FREE(me->anchor->content_encoding);
#ifdef EXP_CHARTRANS
/* lock the chartrans info we may possibly have,
so HTCharSetFormat will not apply the default for
local files */
HTAnchor_copyUCInfoStage(me->anchor,
UCT_STAGE_PARSER,
UCT_STAGE_MIME,
UCT_SETBY_PARSER);
#endif
status = HTLoadFile(addr,
me->anchor,
me->output_format,
me->sink);
if (dump_output_immediately &&
me->output_format == HTAtom_for("www/present")) {
FREE(addr);
remove(me->anchor->FileCache);
FREE(me->anchor->FileCache);
FREE(me->remove_command);
FREE(me->end_command);
FREE(me);
return;
}
}
FREE(addr);
}
if (me->remove_command) {
/* NEVER REMOVE THE FILE unless during an abort!!!*/
/* system(me->remove_command); */
FREE(me->remove_command);
}
} else if (strcmp(me->end_command, "SaveToFile")) {
/*
* It's a temporary file we're passing to a
* viewer or helper application. - FM
*/
if (!dump_output_immediately) {
/*
* Tell user what's happening. - FM
*/
_HTProgress(me->end_command);
stop_curses();
}
system(me->end_command);
if (me->remove_command) {
/* NEVER REMOVE THE FILE unless during an abort!!!*/
/* system(me->remove_command); */
FREE(me->remove_command);
}
if (!dump_output_immediately)
start_curses();
} else {
/*
* It's a file we saved to disk for handling
* via a menu. - FM
*/
if (me->remove_command) {
/* NEVER REMOVE THE FILE unless during an abort!!!*/
/* system(me->remove_command); */
FREE(me->remove_command);
}
}
FREE(me->end_command);
}
if (dump_output_immediately) {
if (me->anchor->FileCache)
remove(me->anchor->FileCache);
FREE(me);
#ifndef NOSIGHUP
(void) signal(SIGHUP, SIG_DFL);
#endif /* NOSIGHUP */
(void) signal(SIGTERM, SIG_DFL);
#ifndef VMS
(void) signal(SIGINT, SIG_DFL);
#endif /* !VMS */
#ifdef SIGTSTP
if (no_suspend)
(void) signal(SIGTSTP,SIG_DFL);
#endif /* SIGTSTP */
exit(0);
}
FREE(me);
return;
}
/* Abort writing
** -------------
*/
PRIVATE void HTFWriter_abort ARGS2(HTStream *, me, HTError, e)
{
if (TRACE)
fprintf(stderr,"HTFWriter_abort called\n");
fclose(me->fp);
if (me->end_command) { /* Temp file */
if (TRACE)
fprintf(stderr, "HTFWriter: Aborting: file not executed.\n");
FREE(me->end_command);
if (me->remove_command) {
system(me->remove_command);
FREE(me->remove_command);
}
}
FREE(WWW_Download_File);
FREE(me);
}
/* Structured Object Class
** -----------------------
*/
PRIVATE CONST HTStreamClass HTFWriter = /* As opposed to print etc */
{
"FileWriter",
HTFWriter_free,
HTFWriter_abort,
HTFWriter_put_character, HTFWriter_put_string,
HTFWriter_write
};
/* Subclass-specific Methods
** -------------------------
*/
PUBLIC HTStream* HTFWriter_new ARGS1(FILE *, fp)
{
HTStream* me;
if (!fp)
return NULL;
me = (HTStream*)calloc(sizeof(*me),1);
if (me == NULL)
outofmem(__FILE__, "HTFWriter_new");
me->isa = &HTFWriter;
me->fp = fp;
me->end_command = NULL;
me->remove_command = NULL;
me->anchor = NULL;
me->sink = NULL;
return me;
}
/* Make system command from template
** ---------------------------------
**
** See mailcap spec for description of template.
*/
/* @@ to be written. sprintfs will do for now. */
#ifndef VMS
#define REMOVE_COMMAND "/bin/rm -f %s"
#else
#define REMOVE_COMMAND "delete/noconfirm/nolog %s;"
#endif /* VMS */
/* Take action using a system command
** ----------------------------------
**
** originally from Ghostview handling by Marc Andreseen.
** Creates temporary file, writes to it, executes system command
** on end-document. The suffix of the temp file can be given
** in case the application is fussy, or so that a generic opener can
** be used.
*/
PUBLIC HTStream* HTSaveAndExecute ARGS3(
HTPresentation *, pres,
HTParentAnchor *, anchor,
HTStream *, sink)
{
char fnam[256];
CONST char *suffix;
char *cp;
HTStream* me;
FILE *fp = NULL;
if (traversal) {
LYCancelledFetch = TRUE;
return(NULL);
}
#if defined(EXEC_LINKS) || defined(EXEC_SCRIPTS)
if (pres->quality == 999.0) { /* exec link */
if (dump_output_immediately) {
LYCancelledFetch = TRUE;
return(NULL);
}
if (no_exec) {
_statusline(EXECUTION_DISABLED);
sleep(AlertSecs);
return HTPlainPresent(pres, anchor, sink);
}
if (!local_exec)
if (local_exec_on_local_files &&
(LYJumpFileURL ||
!strncmp(anchor->address,"file://localhost",16))) {
/* allow it to continue */
} else {
char buf[512];
sprintf(buf, EXECUTION_DISABLED_FOR_FILE,
key_for_func(LYK_OPTIONS));
_statusline(buf);
sleep(AlertSecs);
return HTPlainPresent(pres, anchor, sink);
}
}
#endif /* EXEC_LINKS || EXEC_SCRIPTS */
if (dump_output_immediately) {
return(HTSaveToFile(pres, anchor, sink));
}
me = (HTStream*)calloc(sizeof(*me),1);
if (me == NULL)
outofmem(__FILE__, "HTSaveAndExecute");
me->isa = &HTFWriter;
me->input_format = pres->rep;
me->output_format = pres->rep_out;
me->anchor = anchor;
me->sink = sink;
if (anchor->FileCache) {
strcpy(fnam, anchor->FileCache);
FREE(anchor->FileCache);
if ((fp=fopen(fnam, "r")) != NULL) {
fclose(fp);
remove(fnam);
}
} else {
/*
* Lynx routine to create a temporary filename
*/
tempname (fnam, NEW_FILE);
/*
* Check for a suffix.
*/
if (((cp = strrchr(fnam, '.')) != NULL) &&
#ifdef VMS
NULL == strchr(cp, ']') &&
#endif /* VMS */
NULL == strchr(cp, '/')) {
/*
* Save the file under a suitably suffixed name.
*/
*cp = '\0';
if (!strcasecomp(pres->rep->name, "text/html")) {
strcat(fnam, ".html");
} else if (!strcasecomp(pres->rep->name, "text/plain")) {
strcat(fnam, ".txt");
} else if (!strcasecomp(pres->rep->name,
"application/octet-stream")) {
strcat(fnam, ".bin");
} else if ((suffix = HTFileSuffix(pres->rep)) && *suffix == '.') {
strcat(fnam, suffix);
} else {
*cp = '.';
}
}
}
#ifdef VMS
me->fp = fopen (fnam, "wb", "mbc=32");
#else
me->fp = fopen (fnam, "wb");
#endif /* VMS */
if (!me->fp) {
HTAlert(CANNOT_OPEN_TEMP);
FREE(me);
return NULL;
}
/*
* Make command to process file.
*/
me->end_command = (char *)calloc (
(strlen (pres->command) + 10 + strlen(fnam))
* sizeof (char),1);
if (me->end_command == NULL)
outofmem(__FILE__, "HTSaveAndExecute");
sprintf (me->end_command, pres->command, fnam, "");
/*
* Make command to delete file.
*/
me->remove_command = (char *)calloc (
(strlen (REMOVE_COMMAND) + 10 + strlen(fnam))
* sizeof (char),1);
if (me->remove_command == NULL)
outofmem(__FILE__, "HTSaveAndExecute");
sprintf (me->remove_command, REMOVE_COMMAND, fnam);
StrAllocCopy(anchor->FileCache, fnam);
return me;
}
/* Format Converter using system command
** -------------------------------------
*/
/* @@@@@@@@@@@@@@@@@@@@@@ */
/* Save to a local file LJM!!!
** --------------------
**
** usually a binary file that can't be displayed
**
** originally from Ghostview handling by Marc Andreseen.
** Asks the user if he wants to continue, creates a temporary
** file, and writes to it. In HTSaveToFile_Free
** the user will see a list of choices for download
*/
PUBLIC HTStream* HTSaveToFile ARGS3(
HTPresentation *, pres,
HTParentAnchor *, anchor,
HTStream *, sink)
{
HTStream * ret_obj;
char fnam[256];
CONST char * suffix;
char *cp;
int c=0;
BOOL IsBinary = TRUE;
FILE *fp = NULL;
ret_obj = (HTStream*)calloc(sizeof(* ret_obj),1);
if (ret_obj == NULL)
outofmem(__FILE__, "HTSaveToFile");
ret_obj->isa = &HTFWriter;
ret_obj->remove_command = NULL;
ret_obj->end_command = NULL;
ret_obj->input_format = pres->rep;
ret_obj->output_format = pres->rep_out;
ret_obj->anchor = anchor;
ret_obj->sink = sink;
if (dump_output_immediately) {
ret_obj->fp = stdout; /* stdout*/
if (HTOutputFormat == HTAtom_for("www/download"))
goto Prepend_BASE;
return ret_obj;
}
LYCancelDownload = FALSE;
if (HTOutputFormat != HTAtom_for("www/download")) {
if (traversal ||
(no_download && !override_no_download && no_disk_save)) {
if (!traversal) {
_statusline(CANNOT_DISPLAY_FILE);
sleep(AlertSecs);
}
LYCancelDownload = TRUE;
if (traversal)
LYCancelledFetch = TRUE;
FREE(ret_obj);
return(NULL);
}
if (((cp=strchr((char *)pres->rep->name, ';')) != NULL) &&
strstr((cp+1), "charset") != NULL) {
_user_message(WRONG_CHARSET_D_OR_C, (char *)pres->rep->name);
} else if (*((char *)pres->rep->name) != '\0') {
_user_message(UNMAPPED_TYPE_D_OR_C, (char *)pres->rep->name);
} else {
_statusline(CANNOT_DISPLAY_FILE_D_OR_C);
}
while(TOUPPER(c)!='C' && TOUPPER(c)!='D' && c!=7) {
c=LYgetch();
#ifdef VMS
/*
* 'C'ancel on Control-C or Control-Y and
* a 'N'o to the "really exit" query. - FM
*/
if (HadVMSInterrupt) {
HadVMSInterrupt = FALSE;
c = 'C';
}
#endif /* VMS */
}
/*
* Cancel on 'C', 'c' or Control-G or Control-C.
*/
if (TOUPPER(c)=='C' || c==7 || c==3) {
_statusline(CANCELLING_FILE);
LYCancelDownload = TRUE;
FREE(ret_obj);
return(NULL);
}
}
/*
* Set up a 'D'ownload.
*/
if (anchor->FileCache) {
strcpy(fnam, anchor->FileCache);
FREE(anchor->FileCache);
if ((fp=fopen(fnam, "r")) != NULL) {
fclose(fp);
remove(fnam);
}
} else {
/*
* Lynx routine to create a temporary filename
*/
tempname(fnam, NEW_FILE);
/*
* Check for a suffix.
*/
if (((cp=strrchr(fnam, '.')) != NULL) &&
#ifdef VMS
NULL == strchr(cp, ']') &&
#endif /* VMS */
NULL == strchr(cp, '/')) {
/*
* Save the file under a suitably suffixed name.
*/
*cp = '\0';
if (!strcasecomp(pres->rep->name, "text/html")) {
strcat(fnam, ".html");
} else if (!strcasecomp(pres->rep->name, "text/plain")) {
strcat(fnam, ".txt");
} else if (!strcasecomp(pres->rep->name,
"application/octet-stream")) {
strcat(fnam, ".bin");
} else if ((suffix = HTFileSuffix(pres->rep)) && *suffix == '.') {
strcat(fnam, suffix);
} else {
*cp = '.';
}
}
}
if (0==strncasecomp(pres->rep->name, "text/", 5) ||
0==strcasecomp(pres->rep->name, "application/postscript") ||
0==strcasecomp(pres->rep->name, "application/x-RUNOFF-MANUAL"))
/*
* It's a text file requested via 'd'ownload.
* Keep adding others to the above list, 'til
* we add a configurable procedure. - FM
*/
IsBinary = FALSE;
#ifdef VMS
ret_obj->fp = fopen (fnam, "wb", "mbc=32");
#else
ret_obj->fp = fopen (fnam, "wb");
#endif /* VMS */
if (!ret_obj->fp) {
HTAlert(CANNOT_OPEN_OUTPUT);
FREE(ret_obj);
return NULL;
}
/*
* Any "application/foo" or other non-"text/foo" types that
* are actually text but not checked, above, will be treated
* as binary, so show the type to help sort that out later.
* Unix folks don't need to know this, but we'll show it to
* them, too. - FM
*/
user_message("Content-type: %s", pres->rep->name);
sleep(MessageSecs);
StrAllocCopy(WWW_Download_File,fnam);
/*
* Make command to delete file.
*/
ret_obj->remove_command = (char *)calloc (
(strlen (REMOVE_COMMAND) + 10+ strlen(fnam))
* sizeof (char),1);
if (ret_obj->remove_command == NULL)
outofmem(__FILE__, "HTSaveToFile");
sprintf (ret_obj->remove_command, REMOVE_COMMAND, fnam);
#ifdef VMS
if (IsBinary && UseFixedRecords) {
ret_obj->end_command = (char *)calloc (sizeof(char)*20,1);
if (ret_obj->end_command == NULL)
outofmem(__FILE__, "HTSaveToFile");
sprintf(ret_obj->end_command, "SaveVMSBinaryFile");
FIXED_RECORD_COMMAND = (char *)calloc (
(strlen (FIXED_RECORD_COMMAND_MASK) + 10 + strlen(fnam))
* sizeof (char),1);
if (FIXED_RECORD_COMMAND == NULL)
outofmem(__FILE__, "HTSaveToFile");
sprintf(FIXED_RECORD_COMMAND, FIXED_RECORD_COMMAND_MASK, fnam);
} else {
#endif /* VMS */
ret_obj->end_command = (char *)calloc (sizeof(char)*12,1);
if (ret_obj->end_command == NULL)
outofmem(__FILE__, "HTSaveToFile");
sprintf(ret_obj->end_command, "SaveToFile");
#ifdef VMS
}
#endif /* VMS */
_statusline(RETRIEVING_FILE);
StrAllocCopy(anchor->FileCache, fnam);
Prepend_BASE:
if (!strncasecomp(pres->rep->name, "text/html", 9)) {
/*
* Add the document's base as a BASE tag at the top of the file,
* so that any partial or relative URLs within it will be resolved
* relative to that if no BASE tag is present and replaces it.
* Note that the markup will be technically invalid if a DOCTYPE
* declaration, or HTML or HEAD tags, are present, and thus the
* file may need editing for perfection. - FM
*/
char *temp = NULL;
if (anchor->content_base && *anchor->content_base) {
StrAllocCopy(temp, anchor->content_base);
} else if (anchor->content_location && *anchor->content_location) {
StrAllocCopy(temp, anchor->content_location);
}
if (temp) {
collapse_spaces(temp);
if (!is_url(temp)) {
FREE(temp);
}
}
fprintf(ret_obj->fp,
"\n\n\n",
anchor->address, (temp ? temp : anchor->address));
FREE(temp);
}
return ret_obj;
}
/* Set up stream for uncompressing - FM
** -------------------------------
*/
PUBLIC HTStream* HTCompressed ARGS3(
HTPresentation *, pres,
HTParentAnchor *, anchor,
HTStream *, sink)
{
HTStream* me;
HTFormat format;
char *type = NULL;
HTPresentation *Pres;
int n, i;
BOOL can_present = FALSE;
char fnam[256];
CONST char *suffix;
char *uncompress_mask = NULL;
char *compress_suffix = "";
char *cp;
FILE *fp = NULL;
/*
* Deal with any inappropriate invokations of this function,
* or a download request, in which case we won't bother to
* uncompress the file. - FM
*/
if (!(anchor && anchor->content_encoding && anchor->content_type)) {
/*
* We have no idea what we're dealing with,
* so treat it as a binary stream. - FM
*/
format = HTAtom_for("application/octet-stream");
me = HTStreamStack(format, pres->rep_out, sink, anchor);
return me;
}
n = HTList_count(HTPresentations);
for (i = 0; i < n; i++) {
Pres = (HTPresentation *)HTList_objectAt(HTPresentations, i);
if (!strcasecomp(Pres->rep->name, anchor->content_type) &&
Pres->rep_out == WWW_PRESENT) {
/*
* We have a presentation mapping for it. - FM
*/
can_present = TRUE;
if (!strcasecomp(anchor->content_encoding, "x-gzip") ||
!strcasecomp(anchor->content_encoding, "gzip")) {
/*
* It's compressed with the modern gzip. - FM
*/
StrAllocCopy(uncompress_mask, GZIP_PATH);
StrAllocCat(uncompress_mask, " -d %s");
compress_suffix = "gz";
} else if (!strcasecomp(anchor->content_encoding, "x-compress") ||
!strcasecomp(anchor->content_encoding, "compress")) {
/*
* It's compressed the old fashioned Unix way. - FM
*/
StrAllocCopy(uncompress_mask, UNCOMPRESS_PATH);
StrAllocCat(uncompress_mask, " %s");
compress_suffix = "Z";
}
break;
}
}
if (can_present == FALSE || /* no presentation mapping */
uncompress_mask == NULL || /* not gzip or compress */
strchr(anchor->content_type, ';') || /* wrong charset */
HTOutputFormat == HTAtom_for("www/download") || /* download */
!strcasecomp(pres->rep_out->name, "www/download") || /* download */
(traversal && /* only handle html or plain text for traversals */
strcasecomp(anchor->content_type, "text/html") &&
strcasecomp(anchor->content_type, "text/plain"))) {
/*
* Cast the Content-Encoding to a Content-Type
* and pass it back to be handled as that type. - FM
*/
if (strchr(anchor->content_encoding, '/') == NULL) {
StrAllocCopy(type, "application/");
StrAllocCat(type, anchor->content_encoding);
} else {
StrAllocCopy(type, anchor->content_encoding);
}
format = HTAtom_for(type);
FREE(type)
FREE(uncompress_mask);
me = HTStreamStack(format, pres->rep_out, sink, anchor);
return me;
}
/*
* Set up the stream structure for uncompressing and then
* handling based on the uncompressed Content-Type.- FM
*/
me = (HTStream*)calloc(sizeof(*me),1);
if (me == NULL)
outofmem(__FILE__, "HTCompressed");
me->isa = &HTFWriter;
me->input_format = pres->rep;
me->output_format = pres->rep_out;
me->anchor = anchor;
me->sink = sink;
/*
* Remove any old versions of the file. - FM
*/
if (anchor->FileCache) {
while ((fp = fopen(anchor->FileCache, "r")) != NULL) {
fclose(fp);
remove(anchor->FileCache);
}
FREE(anchor->FileCache);
}
/*
* Get a new temporary filename and substitute a suitable suffix. - FM
*/
tempname(fnam, NEW_FILE);
if ((cp = strchr(fnam, '.')) != NULL) {
*cp = '\0';
if (!strcasecomp(anchor->content_type, "text/html")) {
#ifdef VMS
strcat(fnam, ".html-");
#else
strcat(fnam, ".html.");
#endif /* VMS */
} else if (!strcasecomp(anchor->content_type, "text/plain")) {
#ifdef VMS
strcat(fnam, ".txt-");
#else
strcat(fnam, ".txt.");
#endif /* VMS */
} else if (!strcasecomp(anchor->content_type,
"application/octet-stream")) {
#ifdef VMS
strcat(fnam, ".bin-");
#else
strcat(fnam, ".bin.");
#endif /* VMS */
} else if ((suffix =
HTFileSuffix(HTAtom_for(anchor->content_type))) &&
*suffix == '.') {
strcat(fnam, suffix);
#ifdef VMS
strcat(fnam, "-");
#else
strcat(fnam, ".");
#endif /* VMS */
} else {
strcat(fnam, ".");
}
} else {
strcat(fnam, ".");
}
strcat(fnam, compress_suffix);
/*
* Open the file for receiving the compressed input stream. - FM
*/
#ifdef VMS
me->fp = fopen (fnam, "wb", "mbc=32");
#else
me->fp = fopen (fnam, "wb");
#endif /* VMS */
if (!me->fp) {
HTAlert(CANNOT_OPEN_TEMP);
FREE(uncompress_mask);
FREE(me);
return NULL;
}
/*
* Make command to process file. - FM
*/
me->end_command = (char *)calloc(1, (strlen(uncompress_mask) + 10 +
strlen(fnam)) * sizeof(char));
if (me->end_command == NULL)
outofmem(__FILE__, "HTCompressed");
sprintf (me->end_command, uncompress_mask, fnam);
FREE(uncompress_mask);
/*
* Make command to delete file. - FM
*/
me->remove_command = (char *)calloc(1, (strlen(REMOVE_COMMAND) + 10 +
strlen(fnam)) * sizeof(char));
if (me->remove_command == NULL)
outofmem(__FILE__, "HTCompressed");
sprintf (me->remove_command, REMOVE_COMMAND, fnam);
/*
* Save the filename and return the structure. - FM
*/
StrAllocCopy(anchor->FileCache, fnam);
return me;
}
/* Dump output to stdout - LJM & FM
** ---------------------
**
*/
PUBLIC HTStream* HTDumpToStdout ARGS3(
HTPresentation *, pres,
HTParentAnchor *, anchor,
HTStream *, sink)
{
HTStream * ret_obj;
ret_obj = (HTStream*)calloc(sizeof(* ret_obj),1);
if (ret_obj == NULL)
outofmem(__FILE__, "HTDumpToStdout");
ret_obj->isa = &HTFWriter;
ret_obj->remove_command = NULL;
ret_obj->end_command = NULL;
ret_obj->anchor = anchor;
ret_obj->fp = stdout; /* stdout*/
return ret_obj;
}
#if defined(VMS) && !defined(USE_COMMAND_FILE)
#include
#include /* RMS status codes */
#include /* I/O function codes */
#include /* file information block defs */
#include /* attribute request codes */
#ifdef NOTDEFINED /*** Not all versions of VMS compilers have these. ***/
#include /* file characteristics */
#include /* file attribute defs */
#else /*** So we'll define what we need from them ourselves. ***/
#define FCH$V_CONTIGB 0x005 /* pos of cont best try bit */
#define FCH$M_CONTIGB (1 << FCH$V_CONTIGB) /* contig best try bit mask */
/* VMS I/O User's Reference Manual: Part I (V5.x doc set) */
struct fatdef {
unsigned char fat$b_rtype, fat$b_rattrib;
unsigned short fat$w_rsize;
unsigned long fat$l_hiblk, fat$l_efblk;
unsigned short fat$w_ffbyte;
unsigned char fat$b_bktsize, fat$b_vfcsize;
unsigned short fat$w_maxrec, fat$w_defext, fat$w_gbc;
unsigned : 16, : 32, : 16; /* 6 bytes reserved, 2 bytes not used */
unsigned short fat$w_versions;
};
#endif /* NOTDEFINED */
/* arbitrary descriptor without type and class info */
typedef struct dsc { unsigned short len, mbz; void *adr; } Desc;
extern unsigned long sys$open(), sys$qiow(), sys$dassgn();
#define syswork(sts) ((sts) & 1)
#define sysfail(sts) (!syswork(sts))
/*
* 25-Jul-1995 - Pat Rankin (rankin@eql.caltech.edu)
*
* Force a file to be marked as having fixed-length, 512 byte records
* without implied carriage control, and with best_try_contiguous set.
*/
PUBLIC unsigned long LYVMS_FixedLengthRecords ARGS1(char *, filename)
{
struct FAB fab; /* RMS file access block */
struct fibdef fib; /* XQP file information block */
struct fatdef recattr; /* XQP file "record" attributes */
struct atrdef attr_rqst_list[3]; /* XQP attribute request itemlist */
Desc fib_dsc;
unsigned short channel, iosb[4];
unsigned long fchars, sts, tmp;
/* initialize file access block */
fab = cc$rms_fab;
fab.fab$l_fna = filename;
fab.fab$b_fns = (unsigned char) strlen(filename);
fab.fab$l_fop = FAB$M_UFO; /* user file open; no further RMS processing */
fab.fab$b_fac = FAB$M_PUT; /* need write access */
fab.fab$b_shr = FAB$M_NIL; /* exclusive access */
sts = sys$open(&fab); /* channel in stv; $dassgn to close */
if (sts == RMS$_FLK) {
/* For MultiNet, at least, if the file was just written by a remote
NFS client, the local NFS server might still have it open, and the
failed access attempt will provoke it to be closed, so try again. */
sts = sys$open(&fab);
}
if (sysfail(sts)) return sts;
/* RMS supplies a user-mode channel (see FAB$L_FOP FAB$V_UFO doc) */
channel = (unsigned short) fab.fab$l_stv;
/* set up ACP interface strutures */
/* file information block, passed by descriptor; it's okay to start with
an empty FIB after RMS has accessed the file for us */
fib_dsc.len = sizeof fib;
fib_dsc.mbz = 0;
fib_dsc.adr = &fib;
memset((void *)&fib, 0, sizeof fib);
/* attribute request list */
attr_rqst_list[0].atr$w_size = sizeof recattr;
attr_rqst_list[0].atr$w_type = ATR$C_RECATTR;
*(void **)&attr_rqst_list[0].atr$l_addr = (void *)&recattr;
attr_rqst_list[1].atr$w_size = sizeof fchars;
attr_rqst_list[1].atr$w_type = ATR$C_UCHAR;
*(void **)&attr_rqst_list[1].atr$l_addr = (void *)&fchars;
attr_rqst_list[2].atr$w_size = attr_rqst_list[2].atr$w_type = 0;
attr_rqst_list[2].atr$l_addr = 0;
/* file "record" attributes */
memset((void *)&recattr, 0, sizeof recattr);
fchars = 0; /* file characteristics */
/* get current attributes */
sts = sys$qiow(0, channel, IO$_ACCESS, iosb, (void(*)())0, 0,
&fib_dsc, 0, 0, 0, attr_rqst_list, 0);
if (syswork(sts))
sts = iosb[0];
/* set desired attributes */
if (syswork(sts)) {
recattr.fat$b_rtype = FAB$C_SEQ | FAB$C_FIX; /* org=seq, rfm=fix */
recattr.fat$w_rsize = recattr.fat$w_maxrec = 512; /* lrl=mrs=512 */
recattr.fat$b_rattrib = 0; /* rat=none */
fchars |= FCH$M_CONTIGB; /* contiguous-best-try */
sts = sys$qiow(0, channel, IO$_DEACCESS, iosb, (void(*)())0, 0,
&fib_dsc, 0, 0, 0, attr_rqst_list, 0);
if (syswork(sts))
sts = iosb[0];
}
/* all done */
tmp = sys$dassgn(channel);
if (syswork(sts))
sts = tmp;
return sts;
}
#endif /* VMS && !USE_COMMAND_FILE */