Ground work for supporting attribute filtering.

1 files changed, 768 insertions, 0 deletions

diff --git a/wl.h b/wl.h
new file mode 100644
index 0000000..89feb95
--- /dev/null
+++ b/wl.h
@@ -0,0 +1,768 @@
+static int allowed_at_a_spec[] = {
+  tok_at_charset,
+  tok_at_class,
+  tok_at_coords,
+  tok_at_dir,
+  tok_at_href,
+  tok_at_hreflang,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_name,
+  tok_at_style,
+  tok_at_title,
+  tok_at_type,
+  tok_eof
+};
+
+static int allowed_at_abbr_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_acronym_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_address_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_b_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_basefont_spec[] = {
+  tok_at_color,
+  tok_at_face,
+  tok_at_id,
+  tok_at_size,
+  tok_eof
+};
+
+static int allowed_at_bdo_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_big_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_blockquote_spec[] = {
+  tok_at_cite,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_br_spec[] = {
+  tok_at_class,
+  tok_at_clear,
+  tok_at_id,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_caption_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_center_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_cite_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_code_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_col_spec[] = {
+  tok_at_align,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_span,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_colgroup_spec[] = {
+  tok_at_align,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_span,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_dd_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_del_spec[] = {
+  tok_at_class,
+  tok_at_datetime,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_dfn_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_dir_spec[] = {
+  tok_at_class,
+  tok_at_compact,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_div_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_dl_spec[] = {
+  tok_at_class,
+  tok_at_compact,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_dt_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_em_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_font_spec[] = {
+  tok_at_class,
+  tok_at_color,
+  tok_at_dir,
+  tok_at_face,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_size,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h1_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h2_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h3_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h4_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h5_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_h6_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_hr_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_size,
+  tok_at_style,
+  tok_at_title,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_i_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_img_spec[] = {
+  tok_at_align,
+  tok_at_alt,
+  tok_at_border,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_height,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_longdesc,
+  tok_at_name,
+  tok_at_src,
+  tok_at_style,
+  tok_at_title,
+  tok_at_vspace,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_ins_spec[] = {
+  tok_at_class,
+  tok_at_datetime,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_kbd_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_li_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_type,
+  tok_at_value,
+  tok_eof
+};
+
+static int allowed_at_ol_spec[] = {
+  tok_at_class,
+  tok_at_compact,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_start,
+  tok_at_style,
+  tok_at_title,
+  tok_at_type,
+  tok_eof
+};
+
+static int allowed_at_optgroup_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_p_spec[] = {
+  tok_at_align,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_pre_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_q_spec[] = {
+  tok_at_cite,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_samp_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_small_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_span_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_strike_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_strong_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_style_spec[] = {
+  tok_at_dir,
+  tok_at_lang,
+  tok_at_media,
+  tok_at_style,
+  tok_at_title,
+  tok_at_type,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_sub_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_sup_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_table_spec[] = {
+  tok_at_align,
+  tok_at_bgcolor,
+  tok_at_cellpadding,
+  tok_at_cellspacing,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_frame,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_rules,
+  tok_at_style,
+  tok_at_summary,
+  tok_at_title,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_tbody_spec[] = {
+  tok_at_align,
+  tok_at_border,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_eof
+};
+
+static int allowed_at_td_spec[] = {
+  tok_at_abbr,
+  tok_at_align,
+  tok_at_axis,
+  tok_at_bgcolor,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_colspan,
+  tok_at_dir,
+  tok_at_headers,
+  tok_at_height,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_rowspan,
+  tok_at_scope,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_tfoot_spec[] = {
+  tok_at_align,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_eof
+};
+
+static int allowed_at_th_spec[] = {
+  tok_at_abbr,
+  tok_at_align,
+  tok_at_axis,
+  tok_at_bgcolor,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_colspan,
+  tok_at_dir,
+  tok_at_headers,
+  tok_at_height,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_rowspan,
+  tok_at_scope,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_at_width,
+  tok_eof
+};
+
+static int allowed_at_thead_spec[] = {
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_eof
+};
+
+static int allowed_at_tr_spec[] = {
+  tok_at_abbr,
+  tok_at_bgcolor,
+  tok_at_char,
+  tok_at_charoff,
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_valign,
+  tok_eof
+};
+
+static int allowed_at_tt_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_u_spec[] = {
+  tok_at_class,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_eof
+};
+
+static int allowed_at_ul_spec[] = {
+  tok_at_class,
+  tok_at_compact,
+  tok_at_dir,
+  tok_at_id,
+  tok_at_lang,
+  tok_at_style,
+  tok_at_title,
+  tok_at_type,
+  tok_eof
+};
+
+allowed_el_t allowed_el_spec[] = {
+  { tok_el_a, allowed_at_a_spec },
+  { tok_el_abbr, allowed_at_abbr_spec },
+  { tok_el_acronym, allowed_at_acronym_spec },
+  { tok_el_address, allowed_at_address_spec },
+  { tok_el_b, allowed_at_b_spec },
+  { tok_el_basefont, allowed_at_basefont_spec },
+  { tok_el_bdo, allowed_at_bdo_spec },
+  { tok_el_big, allowed_at_big_spec },
+  { tok_el_blockquote, allowed_at_blockquote_spec },
+  { tok_el_br, allowed_at_br_spec },
+  { tok_el_caption, allowed_at_caption_spec },
+  { tok_el_center, allowed_at_center_spec },
+  { tok_el_cite, allowed_at_cite_spec },
+  { tok_el_code, allowed_at_code_spec },
+  { tok_el_col, allowed_at_col_spec },
+  { tok_el_colgroup, allowed_at_colgroup_spec },
+  { tok_el_dd, allowed_at_dd_spec },
+  { tok_el_del, allowed_at_del_spec },
+  { tok_el_dfn, allowed_at_dfn_spec },
+  { tok_el_dir, allowed_at_dir_spec },
+  { tok_el_div, allowed_at_div_spec },
+  { tok_el_dl, allowed_at_dl_spec },
+  { tok_el_dt, allowed_at_dt_spec },
+  { tok_el_em, allowed_at_em_spec },
+  { tok_el_font, allowed_at_font_spec },
+  { tok_el_h1, allowed_at_h1_spec },
+  { tok_el_h2, allowed_at_h2_spec },
+  { tok_el_h3, allowed_at_h3_spec },
+  { tok_el_h4, allowed_at_h4_spec },
+  { tok_el_h5, allowed_at_h5_spec },
+  { tok_el_h6, allowed_at_h6_spec },
+  { tok_el_hr, allowed_at_hr_spec },
+  { tok_el_i, allowed_at_i_spec },
+  { tok_el_img, allowed_at_img_spec },
+  { tok_el_ins, allowed_at_ins_spec },
+  { tok_el_kbd, allowed_at_kbd_spec },
+  { tok_el_li, allowed_at_li_spec },
+  { tok_el_ol, allowed_at_ol_spec },
+  { tok_el_optgroup, allowed_at_optgroup_spec },
+  { tok_el_p, allowed_at_p_spec },
+  { tok_el_pre, allowed_at_pre_spec },
+  { tok_el_q, allowed_at_q_spec },
+  { tok_el_samp, allowed_at_samp_spec },
+  { tok_el_small, allowed_at_small_spec },
+  { tok_el_span, allowed_at_span_spec },
+  { tok_el_strike, allowed_at_strike_spec },
+  { tok_el_strong, allowed_at_strong_spec },
+  { tok_el_style, allowed_at_style_spec },
+  { tok_el_sub, allowed_at_sub_spec },
+  { tok_el_sup, allowed_at_sup_spec },
+  { tok_el_table, allowed_at_table_spec },
+  { tok_el_tbody, allowed_at_tbody_spec },
+  { tok_el_td, allowed_at_td_spec },
+  { tok_el_tfoot, allowed_at_tfoot_spec },
+  { tok_el_th, allowed_at_th_spec },
+  { tok_el_thead, allowed_at_thead_spec },
+  { tok_el_tr, allowed_at_tr_spec },
+  { tok_el_tt, allowed_at_tt_spec },
+  { tok_el_u, allowed_at_u_spec },
+  { tok_el_ul, allowed_at_ul_spec },
+  { tok_eof, 0 }
+};