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html.c
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/*
html.c -- HTML writer
(c) 2013-2015 Fletcher T. Penney (http://fletcherpenney.net/).
Derived from peg-multimarkdown, which was forked from peg-markdown,
which is (c) 2008 John MacFarlane (jgm at berkeley dot edu), and
licensed under GNU GPL or MIT.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License or the MIT
license. See LICENSE for details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include "html.h"
/* #define DEBUG_ON */
bool is_html_complete_doc(node *meta);
void print_col_group(GString *out,scratch_pad *scratch);
/* print_html_node_tree -- convert node tree to HTML */
void print_html_node_tree(GString *out, node *list, scratch_pad *scratch) {
while (list != NULL) {
print_html_node(out, list, scratch);
list = list->next;
}
}
/* print_html_node -- convert given node to HTML and append */
void print_html_node(GString *out, node *n, scratch_pad *scratch) {
node *temp_node;
link_data *temp_link_data = NULL;
char *temp;
int lev;
int random;
char temp_type;
char *width = NULL;
char *height = NULL;
GString *temp_str;
if (n == NULL)
return;
/* debugging statement */
#ifdef DEBUG_ON
fprintf(stderr, "print_html_node: %d\n",n->key);
#endif
/* If we are forcing a complete document, and METADATA isn't the first thing,
we need to close <head> */
if ((scratch->extensions & EXT_COMPLETE)
&& !(scratch->extensions & EXT_HEAD_CLOSED) &&
!((n->key == FOOTER) || (n->key == METADATA))) {
g_string_append_printf(out, "</head>\n<body>\n");
scratch->extensions = scratch->extensions | EXT_HEAD_CLOSED;
}
switch (n->key) {
case NO_TYPE:
break;
case LIST:
print_html_node_tree(out,n->children,scratch);
break;
case STR:
/* fprintf(stderr, "str: '%s'\n", n->str); */
print_html_string(out,n->str, scratch);
break;
case ABBR:
if (strlen(n->children->str) == 0) {
g_string_append_printf(out, "<abbr>");
} else {
g_string_append_printf(out, "<abbr title=\"");
print_html_string(out, n->children->str, scratch);
g_string_append_printf(out, "\">");
}
print_html_string(out,n->str, scratch);
g_string_append_printf(out, "</abbr>");
break;
case ABBRSTART:
if (strlen(n->children->str) == 0) {
g_string_append_printf(out, "<abbr>");
} else {
g_string_append_printf(out, "<abbr title=\"");
print_html_string(out, n->children->str, scratch);
g_string_append_printf(out, "\">");
}
print_html_string(out,n->str, scratch);
break;
case ABBRSTOP:
print_html_string(out,n->str, scratch);
g_string_append_printf(out, "</abbr>");
break;
case SPACE:
g_string_append_printf(out,"%s",n->str);
break;
case PLAIN:
pad(out,1, scratch);
print_html_node_tree(out,n->children, scratch);
scratch->padded = 0;
break;
case PARA:
pad(out, 2, scratch);
g_string_append_printf(out, "<p>");
print_html_node_tree(out,n->children,scratch);
if (scratch->footnote_to_print != 0){
scratch->footnote_para_counter --;
if (scratch->footnote_para_counter == 0) {
if (scratch->extensions & EXT_RANDOM_FOOT) {
srand(scratch->random_seed_base + scratch->footnote_to_print);
random = rand() % 99999 + 1;
} else {
random = scratch->footnote_to_print;
}
g_string_append_printf(out, " <a href=\"#fnref:%d\" title=\"return to article\" class=\"reversefootnote\"> ↩</a>", random);
scratch->footnote_to_print = 0;
}
}
g_string_append_printf(out, "</p>");
scratch->padded = 0;
break;
case HRULE:
pad(out, 2, scratch);
g_string_append_printf(out, "<hr />");
scratch->padded = 0;
break;
case HTMLBLOCK:
pad(out, 2, scratch);
g_string_append_printf(out, "%s", n->str);
scratch->padded = 0;
break;
case VERBATIM:
case VERBATIMFENCE:
pad(out, 2, scratch);
if ((n->children != NULL) && (n->children->key == VERBATIMTYPE)) {
trim_trailing_whitespace(n->children->str);
if (strlen(n->children->str) > 0)
g_string_append_printf(out, "<pre><code class=\"%s\">", n->children->str);
else
g_string_append_printf(out, "%s", "<pre><code>");
} else {
g_string_append_printf(out, "%s", "<pre><code>");
}
print_html_string(out, n->str, scratch);
g_string_append_printf(out, "%s", "</code></pre>");
scratch->padded = 0;
break;
case BULLETLIST:
pad(out, 2, scratch);
g_string_append_printf(out, "%s", "<ul>");
scratch->padded = 0;
print_html_node_tree(out, n->children, scratch);
pad(out, 1, scratch);
g_string_append_printf(out, "%s", "</ul>");
scratch->padded = 0;
break;
case ORDEREDLIST:
pad(out, 2, scratch);
g_string_append_printf(out, "%s", "<ol>");
scratch->padded = 0;
print_html_node_tree(out, n->children, scratch);
pad(out, 1, scratch);
g_string_append_printf(out, "</ol>");
scratch->padded = 0;
break;
case LISTITEM:
pad(out, 1, scratch);
g_string_append_printf(out, "<li>");
scratch->padded = 2;
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</li>");
scratch->padded = 0;
break;
case METADATA:
/* Not if snippet only */
if (scratch->extensions & EXT_SNIPPET) {
is_html_complete_doc(n);
print_html_node_tree(out,n->children, scratch);
break;
}
if (!(scratch->extensions & EXT_COMPLETE) && (is_html_complete_doc(n))) {
/* We have metadata to include, and didn't already force 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");
}
/* either way, now we need to be a complete doc */
scratch->extensions = scratch->extensions | EXT_COMPLETE;
} else {
/* Ensure we lowercase metadata */
is_html_complete_doc(n);
}
/* print the metadata */
scratch->extensions = scratch->extensions | EXT_HEAD_CLOSED;
print_html_node_tree(out,n->children, scratch);
if (scratch->extensions & EXT_COMPLETE) {
/* need to close head and open body */
g_string_append_printf(out, "</head>\n<body>\n\n");
}
break;
case METAKEY:
if (strcmp(n->str, "baseheaderlevel") == 0) {
scratch->baseheaderlevel = atoi(n->children->str);
break;
} else if (strcmp(n->str, "xhtmlheaderlevel") == 0) {
scratch->baseheaderlevel = atoi(n->children->str);
break;
} else if (strcmp(n->str, "htmlheaderlevel") == 0) {
scratch->baseheaderlevel = atoi(n->children->str);
break;
} else if (strcmp(n->str, "quoteslanguage") == 0) {
temp = label_from_node_tree(n->children);
if ((strcmp(temp, "nl") == 0) || (strcmp(temp, "dutch") == 0)) { scratch->language = DUTCH; } else
if ((strcmp(temp, "de") == 0) || (strcmp(temp, "german") == 0)) { scratch->language = GERMAN; } else
if (strcmp(temp, "germanguillemets") == 0) { scratch->language = GERMANGUILL; } else
if ((strcmp(temp, "fr") == 0) || (strcmp(temp, "french") == 0)) { scratch->language = FRENCH; } else
if ((strcmp(temp, "sv") == 0) || (strcmp(temp, "swedish") == 0)) { scratch->language = SWEDISH; }
free(temp);
break;
}
/* Don't handle other metadata if we're snippet only */
if (scratch->extensions & EXT_SNIPPET)
break;
if (strcmp(n->str, "title") == 0) {
g_string_append_printf(out, "\t<title>");
print_html_node(out, n->children, scratch);
g_string_append_printf(out, "</title>\n");
} else if (strcmp(n->str, "css") == 0) {
g_string_append_printf(out, "\t<link type=\"text/css\" rel=\"stylesheet\" href=\"");
print_html_node(out, n->children, scratch);
g_string_append_printf(out, "\"/>\n");
} else if (strcmp(n->str, "xhtmlheader") == 0) {
trim_trailing_whitespace(n->children->str);
print_raw_node(out, n->children);
g_string_append_printf(out, "\n");
} else if (strcmp(n->str, "htmlheader") == 0) {
trim_trailing_whitespace(n->children->str);
print_raw_node(out, n->children);
g_string_append_printf(out, "\n");
} else if (strcmp(n->str, "mmdfooter") == 0) {
} else if (strcmp(n->str, "mmdheader") == 0) {
} else if (strcmp(n->str, "lang") == 0) {
} else {
g_string_append_printf(out,"\t<meta name=\"%s\" content=\"",n->str);
print_html_node(out,n->children,scratch);
g_string_append_printf(out,"\"/>\n");
}
break;
case METAVALUE:
trim_trailing_whitespace(n->str);
print_html_string(out,n->str, scratch);
break;
case FOOTER:
break;
case HEADINGSECTION:
print_html_node_tree(out,n->children,scratch);
break;
case H1: case H2: case H3: case H4: case H5: case H6:
lev = n->key - H1 + scratch->baseheaderlevel; /* assumes H1 ... H6 are in order */
if (lev > 6)
lev = 6; /* Max at level 6 */
pad(out, 2, scratch);
if ( scratch->extensions & EXT_COMPATIBILITY ) {
/* Use regular Markdown header format */
g_string_append_printf(out, "<h%1d>", lev);
print_html_node_tree(out, n->children, scratch);
} else if (n->children->key == AUTOLABEL) {
temp = label_from_string(n->children->str);
/* use label for header since one was specified (MMD)*/
g_string_append_printf(out, "<h%d id=\"%s\">", lev,temp);
print_html_node_tree(out, n->children->next, scratch);
free(temp);
} else if ( scratch->extensions & EXT_NO_LABELS ) {
/* Don't generate a label */
g_string_append_printf(out, "<h%1d>", lev);
print_html_node_tree(out, n->children, scratch);
} else {
/* generate a label by default for MMD */
temp = label_from_node_tree(n->children);
g_string_append_printf(out, "<h%d id=\"%s\">", lev, temp);
print_html_node_tree(out, n->children, scratch);
free(temp);
}
g_string_append_printf(out, "</h%1d>", lev);
scratch->padded = 0;
break;
case APOSTROPHE:
print_html_localized_typography(out, APOS, scratch);
break;
case ELLIPSIS:
print_html_localized_typography(out, ELLIP, scratch);
break;
case EMDASH:
print_html_localized_typography(out, MDASH, scratch);
break;
case ENDASH:
print_html_localized_typography(out, NDASH, scratch);
break;
case SINGLEQUOTED:
print_html_localized_typography(out, LSQUOTE, scratch);
print_html_node_tree(out, n->children, scratch);
print_html_localized_typography(out, RSQUOTE, scratch);
break;
case DOUBLEQUOTED:
print_html_localized_typography(out, LDQUOTE, scratch);
print_html_node_tree(out, n->children, scratch);
print_html_localized_typography(out, RDQUOTE, scratch);
break;
case LINEBREAK:
g_string_append_printf(out, "<br/>\n");
break;
case MATHSPAN:
temp = strdup(n->str);
if (temp[0] == '$') {
temp[strlen(temp)-1] = '\0';
if (temp[1] == '$') {
temp[strlen(temp)-1] = '\0';
g_string_append_printf(out, "<span class=\"math\">\\[%s\\]</span>",&temp[2]);
} else {
g_string_append_printf(out, "<span class=\"math\">\\(%s\\)</span>",&temp[1]);
}
} else if (temp[strlen(temp) - 1] == ']') {
temp[strlen(temp) - 3] = '\0';
g_string_append_printf(out, "<span class=\"math\">%s\\]</span>",temp);
} else {
temp[strlen(temp) - 3] = '\0';
g_string_append_printf(out, "<span class=\"math\">%s\\)</span>",temp);
}
free(temp);
break;
case STRONG:
g_string_append_printf(out, "<strong>");
print_html_node_tree(out,n->children,scratch);
g_string_append_printf(out, "</strong>");
break;
case EMPH:
g_string_append_printf(out, "<em>");
print_html_node_tree(out,n->children,scratch);
g_string_append_printf(out, "</em>");
break;
case LINKREFERENCE:
break;
case LINK:
#ifdef DEBUG_ON
fprintf(stderr, "print html link: '%s'\n",n->str);
#endif
/* Stash a copy of the link data */
if (n->link_data != NULL)
temp_link_data = mk_link_data(n->link_data->label, n->link_data->source, n->link_data->title, n->link_data->attr);
/* Do we have proper info? */
if ((n->link_data->label == NULL) &&
(n->link_data->source == NULL)) {
/* we seem to be a [foo][] style link */
/* so load a label */
temp_str = g_string_new("");
print_raw_node_tree(temp_str, n->children);
n->link_data->label = temp_str->str;
g_string_free(temp_str, FALSE);
}
/* Load reference data */
if (n->link_data->label != NULL) {
temp = strdup(n->link_data->label);
#ifdef DEBUG_ON
fprintf(stderr, "print html link: '%s'\n",n->link_data->title);
fprintf(stderr, "print html link: '%s'\n",temp);
#endif
n->link_data->attr = NULL;
free_link_data(n->link_data);
n->link_data = extract_link_data(temp, scratch);
if (n->link_data == NULL) {
/* replace original text since no definition found */
g_string_append_printf(out, "[");
print_html_node(out, n->children, scratch);
g_string_append_printf(out,"]");
if (n->children->next != NULL) {
g_string_append_printf(out, "[");
print_html_node_tree(out, n->children->next, scratch);
g_string_append_printf(out,"]");
} else if (n->str != NULL) {
/* no title label, so see if we stashed str*/
g_string_append_printf(out, "%s", n->str);
} else {
g_string_append_printf(out, "[%s]",temp);
}
free(temp);
/* Restore stashed copy */
n->link_data = temp_link_data;
break;
}
free(temp);
}
g_string_append_printf(out, "<a");
if (n->link_data->source != NULL) {
g_string_append_printf(out, " href=\"");
if (strncmp(n->link_data->source,"mailto:", 6) == 0) {
scratch->obfuscate = 1; /* flag obfuscated */
}
print_html_string(out,n->link_data->source, scratch);
g_string_append_printf(out, "\"");
}
if ((n->link_data->title != NULL) && (strlen(n->link_data->title) > 0)) {
g_string_append_printf(out, " title=\"");
print_html_string(out, n->link_data->title, scratch);
g_string_append_printf(out, "\"");
}
print_html_node_tree(out, n->link_data->attr, scratch);
g_string_append_printf(out, ">");
if (n->children != NULL)
print_html_node_tree(out,n->children,scratch);
g_string_append_printf(out, "</a>");
scratch->obfuscate = 0;
/* Restore stashed copy */
n->link_data->attr = NULL;
free_link_data(n->link_data);
n->link_data = temp_link_data;
break;
case ATTRKEY:
if ( (strcmp(n->str,"height") == 0) || (strcmp(n->str, "width") == 0)) {
} else {
g_string_append_printf(out, " %s=\"%s\"", n->str,
n->children->str);
}
break;
case REFNAME:
case SOURCE:
case TITLE:
break;
case IMAGEBLOCK:
pad(out,2, scratch);
case IMAGE:
#ifdef DEBUG_ON
fprintf(stderr, "print image\n");
#endif
/* Verify all is well */
if (n->link_data == NULL) {
fprintf(stderr, "Invalid IMAGEBLOCK or IMAGE -- (null) link_data\n");
exit(EXIT_FAILURE);
}
/* Stash a copy of the link data */
if (n->link_data != NULL)
temp_link_data = mk_link_data(n->link_data->label, n->link_data->source, n->link_data->title, n->link_data->attr);
/* Do we have proper info? */
if ((n->link_data->label == NULL) &&
(n->link_data->source == NULL)) {
/* we seem to be a [foo][] style link */
/* so load a label */
temp_str = g_string_new("");
print_raw_node_tree(temp_str, n->children);
n->link_data->label = temp_str->str;
g_string_free(temp_str, FALSE);
}
#ifdef DEBUG_ON
fprintf(stderr, "load reference data\n");
#endif
/* Load reference data */
if (n->link_data->label != NULL) {
temp = strdup(n->link_data->label);
n->link_data->attr = NULL;
free_link_data(n->link_data);
n->link_data = extract_link_data(temp, scratch);
if (n->link_data == NULL) {
g_string_append_printf(out, "![");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out,"][%s]",temp);
/* Restore stashed copy */
n->link_data = temp_link_data;
free(temp);
break;
} else {
if (n->key == IMAGEBLOCK)
g_string_append_printf(out, "<figure>\n");
}
free(temp);
} else {
if (n->key == IMAGEBLOCK)
g_string_append_printf(out, "<figure>\n");
}
#ifdef DEBUG_ON
fprintf(stderr, "create img\n");
#endif
g_string_append_printf(out, "<img");
if (n->link_data->source != NULL)
g_string_append_printf(out, " src=\"%s\"",n->link_data->source);
if (n->children != NULL) {
g_string_append_printf(out, " alt=\"");
temp_str = g_string_new("");
print_raw_node_tree(temp_str, n->children);
print_html_string(out, temp_str->str, scratch);
g_string_free(temp_str, true);
g_string_append_printf(out, "\"");
} else {
g_string_append_printf(out, " alt=\"%s\"",n->link_data->title);
}
if (!(scratch->extensions & EXT_COMPATIBILITY)) {
if (n->link_data->label != NULL) {
temp = label_from_string(n->link_data->label);
g_string_append_printf(out, " id=\"%s\"",temp);
free(temp);
}
}
if ((n->link_data->title != NULL) && (strlen(n->link_data->title) > 0)) {
g_string_append_printf(out, " title=\"");
print_html_string(out, n->link_data->title, scratch);
g_string_append_printf(out, "\"");
}
#ifdef DEBUG_ON
fprintf(stderr, "attributes\n");
#endif
if (n->link_data->attr != NULL) {
temp_node = node_for_attribute("height",n->link_data->attr);
if (temp_node != NULL)
height = strdup(temp_node->children->str);
temp_node = node_for_attribute("width",n->link_data->attr);
if (temp_node != NULL)
width = strdup(temp_node->children->str);
if ((height != NULL) || (width != NULL)) {
#ifdef DEBUG_ON
fprintf(stderr, "width/height\n");
#endif
g_string_append_printf(out, " style=\"");
if (height != NULL)
g_string_append_printf(out, "height:%s;", height);
if (width != NULL)
g_string_append_printf(out, "width:%s;", width);
g_string_append_printf(out, "\"");
}
#ifdef DEBUG_ON
fprintf(stderr, "other attributes\n");
#endif
print_html_node_tree(out, n->link_data->attr, scratch);
free(height);
free(width);
}
g_string_append_printf(out, " />");
if (n->key == IMAGEBLOCK) {
if (n->children != NULL) {
temp_str = g_string_new("");
print_html_node(temp_str,n->children,scratch);
if (temp_str->currentStringLength > 0) {
g_string_append_printf(out, "\n<figcaption>");
g_string_append(out, temp_str->str);
g_string_append_printf(out, "</figcaption>");
}
g_string_free(temp_str, true);
}
g_string_append_printf(out,"\n</figure>");
scratch->padded = 0;
}
/* Restore stashed copy */
n->link_data->attr = NULL;
free_link_data(n->link_data);
n->link_data = temp_link_data;
break;
#ifdef DEBUG_ON
fprintf(stderr, "finish image\n");
#endif
case NOTEREFERENCE:
lev = note_number_for_node(n, scratch);
temp_node = node_for_count(scratch->used_notes, lev);
if (scratch->extensions & EXT_RANDOM_FOOT) {
srand(scratch->random_seed_base + lev);
random = rand() % 99999 + 1;
} else {
random = lev;
}
if (temp_node->key == GLOSSARYSOURCE) {
if (lev > scratch->max_footnote_num) {
g_string_append_printf(out, "<a href=\"#fn:%d\" id=\"fnref:%d\" title=\"see footnote\" class=\"footnote glossary\">[%d]</a>",
random, random, lev);
scratch->max_footnote_num = lev;
} else {
g_string_append_printf(out, "<a href=\"#fn:%d\" title=\"see footnote\" class=\"footnote glossary\">[%d]</a>",
random, lev);
}
} else {
if (lev > scratch->max_footnote_num) {
g_string_append_printf(out, "<a href=\"#fn:%d\" id=\"fnref:%d\" title=\"see footnote\" class=\"footnote\">[%d]</a>",
random, random, lev);
scratch->max_footnote_num = lev;
} else {
g_string_append_printf(out, "<a href=\"#fn:%d\" title=\"see footnote\" class=\"footnote\">[%d]</a>",
random, lev);
}
}
break;
case NOCITATION:
case CITATION:
#ifdef DEBUG_ON
fprintf(stderr, "print cite\n");
#endif
if ((n->link_data != NULL) && (strncmp(n->link_data->label,"[#",2) == 0)) {
fprintf(stderr, "external cite\n");
/* external citation (e.g. BibTeX) */
if (n->key == NOCITATION) {
g_string_append_printf(out, "<span class=\"notcited\" id=\"%s\"/>",n->str);
} else {
g_string_append_printf(out, "<span class=\"externalcitation\">");
g_string_append_printf(out, "</span>");
}
} else {
#ifdef DEBUG_ON
fprintf(stderr, "internal cite\n");
#endif
/* MMD citation, so output as footnote */
/* TODO: create separate stream from footnotes */
lev = 0;
if (n->link_data != NULL)
lev = note_number_for_label(n->link_data->label, scratch);
if (lev != 0) {
#ifdef DEBUG_ON
fprintf(stderr, "matching cite found - %d\n",lev);
#endif
if (scratch->extensions & EXT_RANDOM_FOOT) {
srand(scratch->random_seed_base + lev);
random = rand() % 99999 + 1;
} else {
random = lev;
}
temp_node = node_for_count(scratch->used_notes, lev);
/* flag that this is used as a citation */
temp_node->key = CITATIONSOURCE;
if (lev > scratch->max_footnote_num) {
scratch->max_footnote_num = lev;
}
if (n->key == NOCITATION) {
g_string_append_printf(out, "<span class=\"notcited\" id=\"%d\">",random);
} else {
g_string_append_printf(out, "<a class=\"citation\" href=\"#fn:%d\" title=\"Jump to citation\">[",
random);
if (n->children != NULL) {
g_string_append_printf(out, "<span class=\"locator\">");
print_html_node(out, n->children, scratch);
g_string_append_printf(out, "</span>, %d]", lev);
} else {
g_string_append_printf(out, "%d]", lev);
}
}
g_string_append_printf(out, "<span class=\"citekey\" style=\"display:none\">%s</span>", n->link_data->label);
if (n->key == NOCITATION) {
g_string_append_printf(out, "</span>");
} else {
g_string_append_printf(out, "</a>");
}
} else {
/* not located -- this is external cite */
#ifdef DEBUG_ON
fprintf(stderr, "no match for cite: '%s'\n",n->link_data->label);
#endif
if ((n->link_data != NULL) && (n->key == NOCITATION)) {
g_string_append_printf(out, "<span class=\"notcited\" id=\"%s\"/>",n->link_data->label);
} else if (n->link_data != NULL) {
g_string_append_printf(out, "<span class=\"externalcitation\">[");
if (n->children != NULL) {
print_html_node(out, n->children, scratch);
g_string_append_printf(out, "][");
}
g_string_append_printf(out, "#%s]</span>",n->link_data->label);
}
}
}
#ifdef DEBUG_ON
fprintf(stderr, "finish cite\n");
#endif
break;
case VARIABLE:
temp = metavalue_for_key(n->str,scratch->result_tree);
if (temp == NULL) {
g_string_append_printf(out, "[%%%s]",n->str);
} else {
print_html_string(out, temp, scratch);
free(temp);
}
break;
case GLOSSARYTERM:
g_string_append_printf(out,"<span class=\"glossary name\">");
print_html_string(out, n->children->str, scratch);
g_string_append_printf(out, "</span>");
if ((n->next != NULL) && (n->next->key == GLOSSARYSORTKEY) ) {
g_string_append_printf(out, "<span class=\"glossary sort\" style=\"display:none\">");
print_html_string(out, n->next->str, scratch);
g_string_append_printf(out, "</span>");
}
g_string_append_printf(out, ": ");
break;
case GLOSSARYSORTKEY:
break;
case CODE:
g_string_append_printf(out, "<code>");
print_html_string(out, n->str, scratch);
g_string_append_printf(out, "</code>");
break;
case BLOCKQUOTEMARKER:
print_html_node_tree(out, n->children, scratch);
break;
case BLOCKQUOTE:
pad(out,2, scratch);
g_string_append_printf(out, "<blockquote>\n");
scratch->padded = 2;
print_html_node_tree(out, n->children, scratch);
pad(out,1, scratch);
g_string_append_printf(out, "</blockquote>");
scratch->padded = 0;
break;
case RAW:
g_string_append_printf(out, "RAW:");
g_string_append_printf(out,"%s",n->str);
break;
case HTML:
g_string_append_printf(out, "%s", n->str);
break;
case DEFLIST:
pad(out,2, scratch);
scratch->padded = 1;
g_string_append_printf(out, "<dl>\n");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</dl>");
scratch->padded = 0;
break;
case TERM:
pad(out,1, scratch);
g_string_append_printf(out, "<dt>");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</dt>\n");
scratch->padded = 1;
break;
case DEFINITION:
pad(out,1, scratch);
scratch->padded = 1;
g_string_append_printf(out, "<dd>");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</dd>\n");
scratch->padded = 0;
break;
case TABLE:
pad(out,2, scratch);
g_string_append_printf(out, "<table>\n");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</table>\n");
scratch->cell_type = 0;
scratch->padded = 1;
scratch->table_alignment = NULL;
break;
case TABLESEPARATOR:
scratch->table_alignment = n->str;
if (scratch->cell_type == 0)
print_col_group(out, scratch);
scratch->cell_type = 'd';
break;
case TABLECAPTION:
if ((n->children != NULL) && (n->children->key == TABLELABEL)) {
temp = label_from_string(n->children->str);
} else {
temp = label_from_node_tree(n->children);
}
g_string_append_printf(out, "<caption id=\"%s\">", temp);
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</caption>\n");
free(temp);
break;
case TABLELABEL:
break;
case TABLEHEAD:
/* print column alignment for XSLT processing if needed */
if (scratch->cell_type == 0)
print_col_group(out, scratch);
scratch->cell_type = 'h';
g_string_append_printf(out, "\n<thead>\n");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</thead>\n");
scratch->cell_type = 'd';
break;
case TABLEBODY:
g_string_append_printf(out, "\n<tbody>\n");
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</tbody>\n");
break;
case TABLEROW:
g_string_append_printf(out, "<tr>\n");
scratch->table_column = 0;
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</tr>\n");
break;
case TABLECELL:
temp = scratch->table_alignment;
if (strncmp(&temp[scratch->table_column],"h",1) == 0) {
temp_type = 'h';
scratch->table_column++;
} else {
temp_type = scratch->cell_type;
}
lev = scratch->table_column;
if ( strncmp(&temp[lev],"r",1) == 0) {
g_string_append_printf(out, "\t<t%c style=\"text-align:right;\"", temp_type);
} else if ( strncmp(&temp[lev],"R",1) == 0) {
g_string_append_printf(out, "\t<t%c style=\"text-align:right;\"", temp_type);
} else if ( strncmp(&temp[lev],"c",1) == 0) {
g_string_append_printf(out, "\t<t%c style=\"text-align:center;\"", temp_type);
} else if ( strncmp(&temp[lev],"C",1) == 0) {
g_string_append_printf(out, "\t<t%c style=\"text-align:center;\"", temp_type);
} else {
g_string_append_printf(out, "\t<t%c style=\"text-align:left;\"", temp_type);
}
if ((n->children != NULL) && (n->children->key == CELLSPAN)) {
g_string_append_printf(out, " colspan=\"%d\"",(int)strlen(n->children->str)+1);
scratch->table_column += (int)strlen(n->children->str);
}
g_string_append_printf(out, ">");
scratch->padded = 2;
print_html_node_tree(out, n->children, scratch);
g_string_append_printf(out, "</t%c>\n", temp_type);
scratch->table_column++;
break;
case CELLSPAN:
break;
case GLOSSARYSOURCE:
if (scratch->printing_notes)
print_html_node_tree(out, n->children, scratch);
break;
case CITATIONSOURCE:
case NOTESOURCE:
if (scratch->printing_notes)
print_html_node_tree(out, n->children, scratch);
break;
case SOURCEBRANCH:
fprintf(stderr,"SOURCEBRANCH\n");
break;
case NOTELABEL:
case GLOSSARYLABEL:
break;
case SUPERSCRIPT:
g_string_append_printf(out, "<sup>%s</sup>",n->str);
break;
case SUBSCRIPT:
g_string_append_printf(out, "<sub>%s</sub>",n->str);
break;
case ABBREVIATION:
case KEY_COUNTER:
break;
case TOC:
g_string_append_printf(out, "<div class=\"TOC\">\n");
print_html_node_tree(out,n->children, scratch);
g_string_append_printf(out, "\n</div>");
break;
default:
fprintf(stderr, "print_html_node encountered unknown node key = %d\n",n->key);
exit(EXIT_FAILURE);
}
}
/* print_html_endnotes */
void print_html_endnotes(GString *out, scratch_pad *scratch) {
int counter = 0;
int random;
node *reversed = copy_node_tree(scratch->used_notes);
reversed = reverse_list(reversed);
scratch->printing_notes = 1;
node *note = reversed;
#ifdef DEBUG_ON
fprintf(stderr, "start endnotes\n");
#endif
if ((note == NULL) || ((note->key == KEY_COUNTER) && (note->next == NULL))) {
free_node_tree(reversed);
return;
}
#ifdef DEBUG_ON
fprintf(stderr, "there are endnotes to print\n");
#endif
pad(out,2, scratch);
g_string_append_printf(out, "<div class=\"footnotes\">\n<hr />\n<ol>");
while ( note != NULL) {
if (note->key == KEY_COUNTER) {
note = note->next;
continue;
}
counter++;
pad(out, 1, scratch);
if (scratch->extensions & EXT_RANDOM_FOOT) {
srand(scratch->random_seed_base + counter);
random = rand() % 99999 + 1;
} else {
random = counter;
}
if (note->key == CITATIONSOURCE) {
g_string_append_printf(out, "<li id=\"fn:%d\" class=\"citation\"><span class=\"citekey\" style=\"display:none\">%s</span>",
random, note->str);
} else {
g_string_append_printf(out, "<li id=\"fn:%d\">\n", random);
}
scratch->padded = 2;
if ((note->key == NOTESOURCE) || (note->key == GLOSSARYSOURCE))
scratch->footnote_to_print = counter;
scratch->footnote_para_counter = tree_contains_key_count(note->children,PARA);
print_html_node(out, note, scratch);
pad(out, 1, scratch);
g_string_append_printf(out, "</li>");
note = note->next;
}
pad(out,1, scratch);
g_string_append_printf(out, "</ol>\n</div>\n");
scratch->padded = 0;
free_node_tree(reversed);
#ifdef DEBUG_ON
fprintf(stderr, "finish endnotes\n");
#endif
}
/* Check metadata keys and determine if we need a complete document */
/* We also preconvert metadata keys to proper formatting -- lowercase with no spaces */
bool is_html_complete_doc(node *meta) {
node *step;
char *temp;
step = meta->children;
while (step != NULL) {
/* process key to proper label */
temp = step->str; /* store pointer to original str */
step->str = label_from_string(step->str);
free(temp); /* free original since we don't need it */
step = step->next;
}
step = meta->children;
while (step != NULL) {
/* the following types of metadata do not require a complete document */
if ((strcmp(step->str, "baseheaderlevel") != 0) &&
(strcmp(step->str, "xhtmlheaderlevel") != 0) &&
(strcmp(step->str, "htmlheaderlevel") != 0) &&
(strcmp(step->str, "latexheaderlevel") != 0) &&
(strcmp(step->str, "odfheaderlevel") != 0) &&
(strcmp(step->str, "quoteslanguage") != 0))
{ return TRUE;}
step = step->next;
}
return FALSE;
}
/* print_html_localized_typography -- convert to "smart" typography */
void print_html_localized_typography(GString *out, int character, scratch_pad *scratch) {
if (!extension(EXT_SMART, scratch->extensions)) {
g_string_append_c(out, character);
return;
}
switch (character) {
case LSQUOTE:
switch (scratch->language) {
case SWEDISH:
g_string_append_printf(out, "’");
break;
case FRENCH: