fz_html *
fz_parse_html(fz_context *ctx, fz_html_font_set *set, fz_archive *zip, const char *base_uri, fz_buffer *buf, const char *user_css)
{
fz_xml *xml;
fz_css_rule *css;
fz_css_match match;
fz_html *box;
xml = fz_parse_xml(ctx, buf->data, buf->len, 1);
css = fz_parse_css(ctx, NULL, default_css, "<default>");
if (user_css)
css = fz_parse_css(ctx, NULL, user_css, "<user>");
css = html_load_css(ctx, zip, base_uri, css, xml);
// print_rules(css);
box = new_box(ctx);
match.up = NULL;
match.count = 0;
generate_boxes(ctx, set, zip, base_uri, xml, box, css, &match);
fz_drop_css(ctx, css);
fz_drop_xml(ctx, xml);
return box;
}
static fz_css_rule *
html_load_css(fz_context *ctx, fz_archive *zip, const char *base_uri, fz_css_rule *css, fz_xml *root)
{
fz_xml *node;
fz_buffer *buf;
char path[2048];
for (node = root; node; node = fz_xml_next(node))
{
const char *tag = fz_xml_tag(node);
if (tag && !strcmp(tag, "link"))
{
char *rel = fz_xml_att(node, "rel");
if (rel && !fz_strcasecmp(rel, "stylesheet"))
{
char *type = fz_xml_att(node, "type");
if ((type && !strcmp(type, "text/css")) || !type)
{
char *href = fz_xml_att(node, "href");
if (href)
{
fz_strlcpy(path, base_uri, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, href, sizeof path);
fz_cleanname(path);
buf = fz_read_archive_entry(ctx, zip, path);
fz_write_buffer_byte(ctx, buf, 0);
css = fz_parse_css(ctx, css, (char*)buf->data, path);
fz_drop_buffer(ctx, buf);
}
}
}
}
if (tag && !strcmp(tag, "style"))
{
char *s = concat_text(ctx, node);
css = fz_parse_css(ctx, css, s, "<style>");
fz_free(ctx, s);
}
if (fz_xml_down(node))
css = html_load_css(ctx, zip, base_uri, css, fz_xml_down(node));
}
return css;
}
static fz_css_rule *
html_load_css(fz_context *ctx, fz_archive *zip, const char *base_uri, fz_css_rule *css, fz_xml *root)
{
fz_xml *html, *head, *node;
fz_buffer *buf;
char path[2048];
fz_var(buf);
html = fz_xml_find(root, "html");
head = fz_xml_find_down(html, "head");
for (node = fz_xml_down(head); node; node = fz_xml_next(node))
{
if (fz_xml_is_tag(node, "link"))
{
char *rel = fz_xml_att(node, "rel");
if (rel && !fz_strcasecmp(rel, "stylesheet"))
{
char *type = fz_xml_att(node, "type");
if ((type && !strcmp(type, "text/css")) || !type)
{
char *href = fz_xml_att(node, "href");
if (href)
{
fz_strlcpy(path, base_uri, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, href, sizeof path);
fz_urldecode(path);
fz_cleanname(path);
buf = NULL;
fz_try(ctx)
{
buf = fz_read_archive_entry(ctx, zip, path);
fz_write_buffer_byte(ctx, buf, 0);
css = fz_parse_css(ctx, css, (char*)buf->data, path);
}
fz_always(ctx)
fz_drop_buffer(ctx, buf);
fz_catch(ctx)
fz_warn(ctx, "ignoring stylesheet %s", path);
}
}
}