diff options
Diffstat (limited to 'filter.c')
| -rw-r--r-- | filter.c | 34 |
1 files changed, 30 insertions, 4 deletions
@@ -491,6 +491,9 @@ static val html_hex_continue(val hexlist, val ch) wchar_t out[2] = { 0 }; val iter; + if (nullp(hexlist)) + return nil; + for (iter = nreverse(hexlist); iter; iter = cdr(iter)) { val hexch = car(iter); int val = wcschr(hexdigs, towupper(c_chr(hexch))) - hexdigs; @@ -504,11 +507,34 @@ static val html_hex_continue(val hexlist, val ch) } } -static val html_hex_handler(val ch) +static val html_dec_continue(val declist, val ch) +{ + if (iswdigit(c_chr(ch))) { + return func_f1(cons(ch, declist), html_dec_continue); + } if (eq(ch, chr(';'))) { + wchar_t out[2] = { 0 }; + val iter; + + for (iter = nreverse(declist); iter; iter = cdr(iter)) { + val decch = car(iter); + int val = c_chr(decch) - '0'; + out[0] *= 10; + out[0] += val; + } + + return string(out); + } else { + return nil; + } +} + +static val html_numeric_handler(val ch) { - if (!iswxdigit(c_chr(ch))) + if (eq(ch, chr('x'))) + return func_f1(nil, html_hex_continue); + if (!iswdigit(c_chr(ch))) return nil; - return func_f1(cons(ch, nil), html_hex_continue); + return func_f1(cons(ch, nil), html_dec_continue); } val filters; @@ -523,7 +549,7 @@ void filter_init(void) sethash(filters, to_html_k, build_filter(to_html_table, t)); { val trie = build_filter(from_html_table, nil); - trie_add(trie, lit("&#x"), func_n1(html_hex_handler)); + trie_add(trie, lit("&#"), func_n1(html_numeric_handler)); trie_compress(&trie); sethash(filters, from_html_k, trie); } |