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#include "HTUtils.h"
#include "tcp.h"
#include "HTAlert.h"
#include "HText.h"
#include "LYUtils.h"
#include "LYHistory.h"
#include "LYPrint.h"
#include "LYDownload.h"
#include "LYGlobalDefs.h"
#include "LYSignal.h"
#include "LYStrings.h"
#include "LYCharUtils.h"
#ifdef DIRED_SUPPORT
#include "LYUpload.h"
#include "LYLocal.h"
#endif /* DIRED_SUPPORT */
#include "LYexit.h"
#include "LYLeaks.h"
#define FREE(x) if (x) {free(x); x = NULL;}
/*
* Push the current filename, link and line number onto the history list.
*/
PUBLIC void LYpush ARGS1(document *,doc)
{
if( *doc->address == '\0') /* dont push null file names */
return;
/* don't push the history, download, or printer lists */
if(!strcmp(doc->title, HISTORY_PAGE_TITLE) ||
!strcmp(doc->title, PRINT_OPTIONS_TITLE) ||
!strcmp(doc->title, DOWNLOAD_OPTIONS_TITLE) ) {
if (!LYforce_no_cache)
LYoverride_no_cache = TRUE;
return;
}
#ifdef DIRED_SUPPORT
if(!strcmp(doc->title, DIRED_MENU_TITLE) ||
!strcmp(doc->title, UPLOAD_OPTIONS_TITLE) ||
!strcmp(doc->title, PERMIT_OPTIONS_TITLE)) {
if (!LYforce_no_cache)
LYoverride_no_cache = TRUE;
return;
}
#endif /* DIRED_SUPPORT */
if(nhist>1 && STREQ(history[nhist-1].address, doc->address) &&
!strcmp(history[nhist-1].post_data ? history[nhist-1].post_data : "",
doc->post_data ? doc->post_data : "") &&
history[nhist-1].isHEAD == doc->isHEAD)
return; /* file is identical to one before it don't push it */
if(nhist>2 && STREQ(history[nhist-2].address, doc->address) &&
!strcmp(history[nhist-2].post_data ? history[nhist-2].post_data : "",
doc->post_data ? doc->post_data : "") &&
history[nhist-2].isHEAD == doc->isHEAD) {
nhist--; /* pop one off the stack */
return; /* file is identical to one two before it don't push it */
}
if (nhist<MAXHIST) {
history[nhist].link = doc->link;
history[nhist].page = doc->line;
history[nhist].title = 0;
StrAllocCopy(history[nhist].title, doc->title);
history[nhist].address = 0;
StrAllocCopy(history[nhist].address, doc->address);
history[nhist].post_data = 0;
StrAllocCopy(history[nhist].post_data, doc->post_data);
history[nhist].post_content_type = 0;
StrAllocCopy(history[nhist].post_content_type, doc->post_content_type);
history[nhist].isHEAD = doc->isHEAD;
nhist++;
if(TRACE)
fprintf(stderr,"\nLYpush: address:%s\n title:%s\n",
doc->address,doc->title);
}
}
/*
* Pop the previous filename, link and line number from the history list.
*/
PUBLIC void LYpop ARGS1(document *,doc)
{
if (nhist>0) {
nhist--;
doc->link = history[nhist].link;
doc->line = history[nhist].page;
FREE(doc->title);
doc->title = history[nhist].title; /* will be freed later */
FREE(doc->address);
doc->address = history[nhist].address; /* will be freed later */
FREE(doc->post_data);
doc->post_data = history[nhist].post_data;
FREE(doc->post_content_type);
doc->post_content_type = history[nhist].post_content_type;
doc->isHEAD = history[nhist].isHEAD;
if(TRACE)
fprintf(stderr,"LYpop: address:%s\n title:%s\n",
doc->address,doc->title);
}
}
/*
* Pop the specified hist entry, link and line number from the history
* list but don't actually remove the entry, just return it.
* (This procedure is badly named :)
*/
PUBLIC void LYpop_num ARGS2(int,number, document *,doc)
{
if (number >= 0 && nhist >= number) {
doc->link = history[number].link;
doc->line = history[number].page;
StrAllocCopy(doc->title, history[number].title);
StrAllocCopy(doc->address, history[number].address);
StrAllocCopy(doc->post_data, history[number].post_data);
StrAllocCopy(doc->post_content_type, history[number].post_content_type);
doc->isHEAD = history[number].isHEAD;
}
}
/*
* This procedure outputs the history buffer into a temporary file.
*
*/
PUBLIC int showhistory ARGS1(char **,newfile)
{
static char tempfile[256];
static BOOLEAN first = TRUE;
static char hist_filename[256];
char *Title = NULL;
int x = 0;
FILE *fp0;
if (first) {
tempname(tempfile, NEW_FILE);
first = FALSE;
#ifdef VMS
} else {
remove(tempfile); /* Remove duplicates on VMS. */
#endif /* VMS */
}
if ((fp0 = fopen(tempfile,"w")) == NULL) {
HTAlert(CANNOT_OPEN_TEMP);
return(-1);
}
/*
* Make the file a URL now.
*/
#ifdef VMS
sprintf(hist_filename,"file://localhost/%s", tempfile);
#else
sprintf(hist_filename,"file://localhost%s", tempfile);
#endif /* VMS */
StrAllocCopy(*newfile, hist_filename);
LYforce_HTML_mode = TRUE; /* force this file to be HTML */
LYforce_no_cache = TRUE; /* force this file to be new */
fprintf(fp0, "<head>\n<title>%s</title>\n</head>\n<body>\n",
HISTORY_PAGE_TITLE);
fprintf(fp0, "<h1>You have reached the History Page</h1>\n");
fprintf(fp0, "<h2>%s Version %s</h2>\n<pre>", LYNX_NAME, LYNX_VERSION);
fprintf(fp0, "<em>You selected:</em>\n");
for (x = nhist-1; x >= 0; x--) {
/*
* The number of the document in the hist stack,
* its name in a link, and its address. - FM
*/
if (history[x].title != NULL) {
StrAllocCopy(Title, history[x].title);
LYEntify(&Title, TRUE);
} else {
StrAllocCopy(Title, "(no title)");
}
fprintf(fp0,
"%s<em>%d</em>. <tab id=t%d><a href=\"LYNXHIST:%d\">%s</a>\n",
(x > 99 ? "" : x < 9 ? " " : " "),
x, x, x, Title);
if (history[x].address != NULL) {
StrAllocCopy(Title, history[x].address);
LYEntify(&Title, TRUE);
} else {
StrAllocCopy(Title, "(no address)");
}
fprintf(fp0, "<tab to=t%d>%s\n", x, Title);
}
fprintf(fp0,"</pre>\n</body>\n");
fclose(fp0);
FREE(Title);
return(0);
}
/*
* This is a kludge to make the history page seem like any other type of
* file since more info is needed than can be provided by the normal link
* structure. I saved out the history number to a special URL. The info
* looks like: LYNXHIST:#
*/
PUBLIC void historytarget ARGS1(document *,newdoc)
{
int number, c;
DocAddress WWWDoc;
if ((!newdoc || !newdoc->address) ||
strlen(newdoc->address) < 10 || !isdigit(*(newdoc->address+9)))
return;
if ((number = atoi(newdoc->address+9)) > nhist || number < 0)
return;
LYpop_num(number, newdoc);
/*
* If we have POST content, aren't forcing no_cache,
* and still have the text cached, ask the user whether
* to resubmit the form. - FM
*/
if (newdoc->post_data != NULL && LYforce_no_cache == FALSE) {
if (LYresubmit_posts == TRUE) {
LYoverride_no_cache = FALSE;
} else {
WWWDoc.address = newdoc->address;
WWWDoc.post_data = newdoc->post_data;
WWWDoc.post_content_type = newdoc->post_content_type;
WWWDoc.isHEAD = newdoc->isHEAD;
if ((HText *)HTAnchor_document(
HTAnchor_parent(HTAnchor_findAddress(&WWWDoc))
)) {
LYoverride_no_cache = TRUE;
_statusline(
"Document from Form with POST content. Resubmit? (y/n) ");
c = LYgetch();
if (TOUPPER(c) == 'Y') {
LYoverride_no_cache = FALSE;
}
}
}
}
if (number != 0)
StrAllocCat(newdoc->title," (From History)");
}
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