/* extract_references -- go through node tree and find elements we need to reference;
e.g. links, images, citations, footnotes
Copy them from main parse tree */
void extract_references(node *list, scratch_pad *scratch) {
node *temp;
char * temp_str;
link_data *l;
while (list != NULL) {
switch (list->key) {
case LINKREFERENCE:
l = list->link_data;
temp_str = lower_string(l->label);
temp = mk_link(list->children, temp_str, l->source, l->title, NULL);
temp->link_data->attr = copy_node_tree(l->attr);
/* store copy of link reference */
scratch->links = cons(temp, scratch->links);
free(temp_str);
break;
case NOTESOURCE:
case GLOSSARYSOURCE:
temp = copy_node(list);
scratch->notes = cons(temp, scratch->notes);
break;
case H1: case H2: case H3: case H4: case H5: case H6:
if ((list->children->key != AUTOLABEL) && !(scratch->extensions & EXT_NO_LABELS)
&& !(scratch->extensions & EXT_COMPATIBILITY)) {
char *label = label_from_node_tree(list->children);
/* create a label from header */
temp = mk_autolink(label);
scratch->links = cons(temp, scratch->links);
free(label);
}
break;
case TABLE:
if (list->children->key != TABLELABEL) {
char *label = label_from_node(list->children);
/* create a label from header */
temp = mk_autolink(label);
scratch->links = cons(temp, scratch->links);
free(label);
}
break;
case HEADINGSECTION:
case RAW:
case LIST:
extract_references(list->children, scratch);
break;
default:
break;
}
list = list->next;
}
}
/* export_node_tree -- given a tree, export as specified format */
char * export_node_tree(node *list, int format, unsigned long extensions) {
char *output;
char *temp;
GString *out = g_string_new("");
scratch_pad *scratch = mk_scratch_pad(extensions);
scratch->result_tree = list; /* Pointer to result tree to use later */
#ifdef DEBUG_ON
fprintf(stderr, "export_node_tree\n");
#endif
#ifdef DEBUG_ON
fprintf(stderr, "extract_references\n");
#endif
if ((format != OPML_FORMAT) &&
(format != CRITIC_ACCEPT_FORMAT) &&
(format != CRITIC_REJECT_FORMAT) &&
(format != CRITIC_HTML_HIGHLIGHT_FORMAT)) {
/* Find defined abbreviations */
extract_abbreviations(list, scratch);
/* Apply those abbreviations to source text */
find_abbreviations(list, scratch);
/* Parse for link, images, etc reference definitions */
extract_references(list, scratch);
}
/* Change our desired format based on metadata */
if (format == LATEX_FORMAT)
format = find_latex_mode(format, list);
switch (format) {
case TEXT_FORMAT:
print_text_node_tree(out, list, scratch);
break;
case HTML_FORMAT:
if (scratch->extensions & EXT_COMPLETE) {
temp = metavalue_for_key("lang", scratch->result_tree);
if (temp != NULL) {
g_string_append_printf(out,
"<!DOCTYPE html>\n<html lang=\"%s\">\n<head>\n\t<meta charset=\"utf-8\"/>\n",temp);
free(temp);
} else {
g_string_append_printf(out,
"<!DOCTYPE html>\n<html>\n<head>\n\t<meta charset=\"utf-8\"/>\n");
}
}
#ifdef DEBUG_ON
fprintf(stderr, "print_html output\n");
#endif
print_html_node_tree(out, list, scratch);
#ifdef DEBUG_ON
fprintf(stderr, "print html endnotes\n");
#endif
print_html_endnotes(out, scratch);
#ifdef DEBUG_ON
fprintf(stderr, "finished printing html endnotes\n");
#endif
if (scratch->extensions & EXT_COMPLETE) {
pad(out,2, scratch);
g_string_append_printf(out, "</body>\n</html>");
}
#ifdef DEBUG_ON
fprintf(stderr, "closed HTML document\n");
#endif
break;
case LATEX_FORMAT:
if ((list != NULL) && (list->key != METADATA)) {
print_latex_node_tree(out, scratch->abbreviations, scratch);
}
print_latex_node_tree(out, list, scratch);
break;
case MEMOIR_FORMAT:
if ((list != NULL) && (list->key != METADATA)) {
print_memoir_node_tree(out, scratch->abbreviations, scratch);
}
print_memoir_node_tree(out, list, scratch);
break;
case BEAMER_FORMAT:
if ((list != NULL) && (list->key != METADATA)) {
print_beamer_node_tree(out, scratch->abbreviations, scratch);
}
print_beamer_node_tree(out, list, scratch);
break;
case LYX_FORMAT:
perform_lyx_output(out,list,scratch);
break;
case OPML_FORMAT:
#ifdef DEBUG_ON
fprintf(stderr, "export OPML\n");
#endif
begin_opml_output(out, list, scratch);
print_opml_node_tree(out, list, scratch);
end_opml_output(out, list, scratch);
break;
case ODF_FORMAT:
#ifdef DEBUG_ON
fprintf(stderr, "export ODF\n");
#endif
begin_odf_output(out, list, scratch);
print_odf_node_tree(out, list, scratch);
end_odf_output(out, list, scratch);
break;
case RTF_FORMAT:
#ifdef DEBUG_ON
fprintf(stderr, "export RTF\n");
#endif
if (!(scratch->extensions & EXT_SNIPPET))
begin_rtf_output(out, list, scratch);
print_rtf_node_tree(out, list, scratch);
if (!(scratch->extensions & EXT_SNIPPET))
end_rtf_output(out, list, scratch);
break;
case CRITIC_ACCEPT_FORMAT:
print_critic_accept_node_tree(out, list, scratch);
break;
case CRITIC_REJECT_FORMAT:
print_critic_reject_node_tree(out, list, scratch);
break;
case CRITIC_HTML_HIGHLIGHT_FORMAT:
print_critic_html_highlight_node_tree(out, list, scratch);
break;
case TOC_FORMAT:
scratch->toc_level = 0;
print_toc_node_tree(out,list,scratch);
break;
default:
fprintf(stderr, "Unknown export format = %d\n",format);
exit(EXIT_FAILURE);
}
output = out->str;
g_string_free(out, false);
free_scratch_pad(scratch);
#ifdef DEBUG_ON
fprintf(stderr, "finish export_node_tree\n");
#endif
return output;
}
/* export_node_tree -- given a tree, export as specified format */
char * export_node_tree(node *list, int format, int extensions) {
char *output;
GString *out = g_string_new("");
scratch_pad *scratch = mk_scratch_pad(extensions);
#ifdef DEBUG_ON
fprintf(stderr, "export_node_tree\n");
#endif
#ifdef DEBUG_ON
fprintf(stderr, "extract_references\n");
#endif
/* Parse for link, images, etc reference definitions */
if ((format != OPML_FORMAT) &&
(format != CRITIC_ACCEPT_FORMAT) &&
(format != CRITIC_REJECT_FORMAT) &&
(format != CRITIC_HTML_HIGHLIGHT_FORMAT))
extract_references(list, scratch);
/* Change our desired format based on metadata */
if (format == LATEX_FORMAT)
format = find_latex_mode(format, list);
switch (format) {
case TEXT_FORMAT:
print_text_node_tree(out, list, scratch);
break;
case HTML_FORMAT:
if (scratch->extensions & EXT_COMPLETE) {
g_string_append_printf(out,
"<!DOCTYPE html>\n<html>\n<head>\n\t<meta charset=\"utf-8\"/>\n");
}
#ifdef DEBUG_ON
fprintf(stderr, "print_html output\n");
#endif
print_html_node_tree(out, list, scratch);
#ifdef DEBUG_ON
fprintf(stderr, "print html endnotes\n");
#endif
print_html_endnotes(out, scratch);
#ifdef DEBUG_ON
fprintf(stderr, "finished printing html endnotes\n");
#endif
if (scratch->extensions & EXT_COMPLETE) {
pad(out,2, scratch);
g_string_append_printf(out, "</body>\n</html>");
}
#ifdef DEBUG_ON
fprintf(stderr, "closed HTML document\n");
#endif
break;
case LATEX_FORMAT:
print_latex_node_tree(out, list, scratch);
break;
case MEMOIR_FORMAT:
print_memoir_node_tree(out, list, scratch);
break;
case BEAMER_FORMAT:
print_beamer_node_tree(out, list, scratch);
break;
case OPML_FORMAT:
#ifdef DEBUG_ON
fprintf(stderr, "export OPML\n");
#endif
begin_opml_output(out, list, scratch);
print_opml_node_tree(out, list, scratch);
end_opml_output(out, list, scratch);
break;
case ODF_FORMAT:
#ifdef DEBUG_ON
fprintf(stderr, "export ODF\n");
#endif
begin_odf_output(out, list, scratch);
print_odf_node_tree(out, list, scratch);
end_odf_output(out, list, scratch);
break;
case CRITIC_ACCEPT_FORMAT:
print_critic_accept_node_tree(out, list, scratch);
break;
case CRITIC_REJECT_FORMAT:
print_critic_reject_node_tree(out, list, scratch);
break;
case CRITIC_HTML_HIGHLIGHT_FORMAT:
print_critic_html_highlight_node_tree(out, list, scratch);
break;
default:
fprintf(stderr, "Unknown export format = %d\n",format);
exit(EXIT_FAILURE);
}
output = out->str;
g_string_free(out, false);
free_scratch_pad(scratch);
#ifdef DEBUG_ON
fprintf(stderr, "finish export_node_tree\n");
#endif
return output;
}
/* extract_references -- go through node tree and find elements we need to reference;
e.g. links, images, citations, footnotes
Remove them from main parse tree */
void extract_references(node *list, scratch_pad *scratch) {
/* TODO: Will these all be top level elements? What about RAW?? */
node *temp;
node *last = NULL;
link_data *l;
while (list != NULL) {
switch (list->key) {
case LINKREFERENCE:
l = list->link_data;
temp = mk_link(list->children, l->label, l->source, l->title, l->attr);
/* store copy of link reference */
scratch->links = cons(temp, scratch->links);
/* Disconnect from children so not duplicated */
l->attr = NULL;
if (last != NULL) {
/* remove this node from tree */
last->next = list->next;
free_link_data(list->link_data);
free(list);
list = last->next;
continue;
} else {
}
break;
case NOTESOURCE:
if (last != NULL) {
last->next = list->next;
scratch->notes = cons(list, scratch->notes);
list = last->next;
continue;
}
break;
case GLOSSARYSOURCE:
if (last != NULL) {
last->next = list->next;
scratch->notes = cons(list, scratch->notes);
list = last->next;
continue;
}
break;
case H1: case H2: case H3: case H4: case H5: case H6:
if ((list->children->key != AUTOLABEL) && !(scratch->extensions & EXT_NO_LABELS)) {
char *label = label_from_node_tree(list->children);
/* create a label from header */
temp = mk_autolink(label);
scratch->links = cons(temp, scratch->links);
free(label);
}
break;
case TABLE:
if (list->children->key != TABLELABEL) {
char *label = label_from_node(list->children);
/* create a label from header */
temp = mk_autolink(label);
scratch->links = cons(temp, scratch->links);
free(label);
}
break;
case HEADINGSECTION:
extract_references(list->children, scratch);
break;
default:
break;
}
last = list;
list = list->next;
}
}
