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/* Lynx Document Reference List Support LYList.c
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** ====================================
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** Author: FM Foteos Macrides (macrides@sci.wfbr.edu)
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#include <LYGlobalDefs.h>
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#include <LYCharUtils.h>
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#include <LYCharSets.h>
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#include <LYHistory.h>
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#endif /* DIRED_SUPPORT */
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/* showlist - F.Macrides (macrides@sci.wfeb.edu)
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** Create a temporary text/html file with a list of links to
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** HyperText References in the current document.
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** titles Set: if we want titles where available
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** Clear: we only get addresses.
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PUBLIC int showlist ARGS2(
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int refs, hidden_links;
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static char tempfile[LY_MAXPATH];
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static BOOLEAN last_titles = TRUE;
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char *Address = NULL, *Title = NULL, *cp = NULL;
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char *LinkTitle = NULL; /* Rel stored as property of link, not of dest */
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BOOLEAN intern_w_post = FALSE;
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char *desc = "unknown field or link";
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refs = HText_sourceAnchors(HTMainText);
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hidden_links = HText_HiddenLinkCount(HTMainText);
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if (refs <= 0 && hidden_links > 0 &&
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LYHiddenLinks != HIDDENLINKS_SEPARATE) {
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HTUserMsg(NO_VISIBLE_REFS_FROM_DOC);
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if (refs <= 0 && hidden_links <= 0) {
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HTUserMsg(NO_REFS_FROM_DOC);
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if ((fp0 = InternalPageFP(tempfile, titles == last_titles)) == 0)
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LYLocalFileToURL(&(newdoc->address), tempfile);
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LYRegisterUIPage(newdoc->address,
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titles ? UIP_LIST_PAGE : UIP_ADDRLIST_PAGE);
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LYforce_HTML_mode = TRUE; /* force this file to be HTML */
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LYforce_no_cache = TRUE; /* force this file to be new */
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#ifdef EXP_ADDRLIST_PAGE
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BeginInternalPage(fp0, ADDRLIST_PAGE_TITLE, LIST_PAGE_HELP);
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BeginInternalPage(fp0, LIST_PAGE_TITLE, LIST_PAGE_HELP);
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StrAllocCopy(Address, HTLoadedDocumentURL());
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LYEntify(&Address, FALSE);
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fprintf(fp0, "%s%s<p>\n", gettext("References in "),
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((Address != NULL && *Address != '\0') ? Address : gettext("this document:")));
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fprintf(fp0, "<%s compact>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
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fprintf(fp0, "<lh><em>%s</em>\n", gettext("Visible links:"));
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if (hidden_links > 0) {
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if (LYHiddenLinks == HIDDENLINKS_IGNORE)
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helper = NULL; /* init */
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for (cnt = 1; cnt <= refs; cnt++) {
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HTChildAnchor *child = HText_childNextNumber(cnt, &helper);
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HTAnchor *dest_intl = NULL;
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HTParentAnchor *parent;
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* child should not be 0 unless form field numbering is on
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* and cnt is the number of a form input field.
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* HText_FormDescNumber() will set desc to a description
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* of what type of input field this is. We'll list it to
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* ensure that the link numbers on the list page match the
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* numbering in the original document, but won't create a
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* forward link to the form. - FM && LE
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* Changed to create a fake hidden link, to get the numbering
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* right in connection with always treating this file as
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* HIDDENLINKS_MERGE in GridText.c - kw
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if (fields_are_numbered()) {
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HText_FormDescNumber(cnt, (char **)&desc);
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"<li><a id=%d href=\"#%d\">form field</a> = <em>%s</em>\n",
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#ifndef DONT_TRACK_INTERNAL_LINKS
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dest_intl = HTAnchor_followTypedLink(child, HTInternalLink);
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dest_intl : HTAnchor_followLink(child);
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parent = HTAnchor_parent(dest);
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if (!intern_w_post && dest_intl &&
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HTMainAnchor->post_data &&
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BINEQ(HTMainAnchor->post_data, parent->post_data)) {
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* Set flag to note that we had at least one internal link,
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* if the document from which we are generating the list
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* has associated POST data; after an extra check that the
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* link destination really has the same POST data so that
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* we can believe it is an internal link.
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intern_w_post = TRUE;
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address = HTAnchor_address(dest);
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title = titles ? HTAnchor_title(parent) : NULL;
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HTSprintf0(&LinkTitle, "(internal)");
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} else if (titles && child->type &&
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dest == child->dest &&
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!strncmp(HTAtom_name(child->type),
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HTSprintf0(&LinkTitle, "(%s)", HTAtom_name(child->type)+10);
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StrAllocCopy(Address, address);
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LYEntify(&Address, TRUE);
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if (title && *title) {
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LYformTitle(&Title, title);
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LYEntify(&Title, TRUE);
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cp = findPoundSelector(Address);
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fprintf(fp0, "<li><a href=\"%s\"%s>%s%s%s%s%s</a>\n", Address,
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dest_intl ? " TYPE=\"internal link\"" : "",
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((HTAnchor*)parent != dest) && Title ? "in " : "",
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(char *)(Title ? Title : Address),
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(Title && cp) ? " - " : "",
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(Title && cp) ? (cp+1) : "");
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if (hidden_links > 0) {
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fprintf(fp0, "\n</%s>\n\n<p>\n",
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((keypad_mode == NUMBERS_AS_ARROWS) ?
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fprintf(fp0, "<%s compact>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
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"ol continue" : "ul"));
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fprintf(fp0, "<lh><em>%s</em>\n", gettext("Hidden links:"));
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for (cnt = 0; cnt < hidden_links; cnt++) {
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StrAllocCopy(Address, HText_HiddenLinkAt(HTMainText, cnt));
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LYEntify(&Address, FALSE);
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if (!(Address && *Address)) {
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fprintf(fp0, "<li><a href=\"%s\">%s</a>\n", Address, Address);
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fprintf(fp0,"\n</%s>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
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EndInternalPage(fp0);
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* Make necessary changes to newdoc before returning to caller.
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* If the intern_w_post flag is set, we keep the POST data in
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* newdoc that have been passed in. They should be the same as
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* in the loaded document for which we generated the list.
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* In that case the file we have written will be associated with
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* the same POST data when it is loaded after we are done here,
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* so that following one of the links we have marked as "internal
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* link" can lead back to the underlying document with the right
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* address+post_data combination. - kw
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newdoc->internal_link = TRUE;
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LYFreePostData(newdoc);
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newdoc->internal_link = FALSE;
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newdoc->isHEAD = FALSE;
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newdoc->safe = FALSE;
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/* printlist - F.Macrides (macrides@sci.wfeb.edu)
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** Print a text/plain list of HyperText References
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** in the current document.
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** titles Set: if we want titles where available
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** Clear: we only get addresses.
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PUBLIC void printlist ARGS2(
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int refs, hidden_links;
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char *address = NULL;
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char *desc = gettext("unknown field or link");
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refs = HText_sourceAnchors(HTMainText);
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if (refs <= 0 && LYHiddenLinks != HIDDENLINKS_SEPARATE)
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hidden_links = HText_HiddenLinkCount(HTMainText);
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if (refs <= 0 && hidden_links <= 0) {
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fprintf(fp, "\n%s\n\n", gettext("References"));
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if (hidden_links > 0) {
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fprintf(fp, " %s\n", gettext("Visible links"));
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if (LYHiddenLinks == HIDDENLINKS_IGNORE)
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helper = NULL; /* init */
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for (cnt = 1; cnt <= refs; cnt++) {
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HTChildAnchor *child = HText_childNextNumber(cnt, &helper);
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HTParentAnchor *parent;
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* child should not be 0 unless form field numbering is on
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* and cnt is the number of a form input field.
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* HText_FormDescNumber() will set desc to a description
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* of what type of input field this is. We'll create a
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* within-document link to ensure that the link numbers on
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* the list page match the numbering in the original document,
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* but won't create a forward link to the form. - FM && LE
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if (fields_are_numbered()) {
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HText_FormDescNumber(cnt, (char **)&desc);
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fprintf(fp, "%4d. form field = %s\n", cnt, desc);
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dest = HTAnchor_followLink(child);
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* Ignore if child anchor points to itself, i.e., we had
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* something like <A NAME=xyz HREF="#xyz"> and it is not
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* treated as a hidden link. Useful if someone 'P'rints
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* the List Page (which isn't a very useful action to do,
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* but anyway...) - kw
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if (dest == (HTAnchor *)child)
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parent = HTAnchor_parent(dest);
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title = titles ? HTAnchor_title(parent) : NULL;
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address = HTAnchor_address(dest);
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fprintf(fp, "%4d. %s%s\n", cnt,
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((HTAnchor*)parent != dest) && title ? "in " : "",
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(title ? title : address));
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if (hidden_links > 0)
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fprintf(fp, "%s %s\n", ((refs > 0) ? "\n" : ""), gettext("Hidden links:"));
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for (cnt = 0; cnt < hidden_links; cnt++) {
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StrAllocCopy(address, HText_HiddenLinkAt(HTMainText, cnt));
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if (!(address && *address)) {
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fprintf(fp, "%4d. %s\n", ((cnt + 1) + refs), address);
added
removed
src/LYList.c
