1289 lines
58 KiB
JavaScript
1289 lines
58 KiB
JavaScript
// JS rewrite of http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed/
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var htmLawed = module.exports =
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{
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_flip: function(a)
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{
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var e = {};
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for (var i = 0; i < a.length; i++)
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e[a[i]] = true;
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return e;
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},
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_strtr: function(t, h)
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{
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for (var i in h)
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t = t.replace(new RegExp(i, 'g'), h[i]);
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return t;
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},
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_keys: function(h)
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{
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var r = [];
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for (var i in h)
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r.push(i);
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return r;
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},
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_htmlspecialchars: function(t)
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{
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return t.replace(/&/g, '&')
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.replace(/'/g, ''') // '
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.replace(/"/g, '"') // "
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.replace(/</g, '<')
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.replace(/>/g, '>');
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},
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hl_Ids: {},
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sanitize: function(t, C, S)
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{
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if (!C) C = {};
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if (!S) S = {};
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if (C.valid_xhtml)
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{
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C.elements = C.elements || '*-center-dir-font-isindex-menu-s-strike-u';
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C.make_tag_strict = C.make_tag_strict !== undefined ? C.make_tag_strict : 2;
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C['xml:lang'] = C['xml:lang'] !== undefined ? C['xml:lang'] : 2;
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}
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// config eles
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var e = { 'a':1, 'abbr':1, 'acronym':1, 'address':1, 'applet':1, 'area':1, 'b':1, 'bdo':1, 'big':1, 'blockquote':1, 'br':1, 'button':1, 'caption':1, 'center':1, 'cite':1, 'code':1, 'col':1, 'colgroup':1, 'dd':1, 'del':1, 'dfn':1, 'dir':1, 'div':1, 'dl':1, 'dt':1, 'em':1, 'embed':1, 'fieldset':1, 'font':1, 'form':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'hr':1, 'i':1, 'iframe':1, 'img':1, 'input':1, 'ins':1, 'isindex':1, 'kbd':1, 'label':1, 'legend':1, 'li':1, 'map':1, 'menu':1, 'noscript':1, 'object':1, 'ol':1, 'optgroup':1, 'option':1, 'p':1, 'param':1, 'pre':1, 'q':1, 'rb':1, 'rbc':1, 'rp':1, 'rt':1, 'rtc':1, 'ruby':1, 's':1, 'samp':1, 'script':1, 'select':1, 'small':1, 'span':1, 'strike':1, 'strong':1, 'sub':1, 'sup':1, 'table':1, 'tbody':1, 'td':1, 'textarea':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1, 'tt':1, 'u':1, 'ul':1, 'var':1 }; // 86/deprecated+embed+ruby
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if (C.safe)
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{
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delete e.applet;
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delete e.embed;
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delete e.iframe;
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delete e.object;
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delete e.script;
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}
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var x = C.elements ? C.elements.replace(/\s+/g, '') : '*';
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var v, m, i;
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if (x == '-*')
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e = {};
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else if (x.indexOf('*') < 0)
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e = htmLawed._flip(e.split(/,/));
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else if (x.length > 1)
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{
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var re = /(?:^|-|\+)[^\-+]+?(?=-|\+|$)/g;
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m = {};
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while ((v = re.exec(x)))
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m[v[0]] = true;
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for (v in m)
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{
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if (v[0] == '+')
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e[v.substr(1)] = true;
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else if (v[0] == '-' && !m['+'+v.substr(1)])
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delete e[v.substr(1)];
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}
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}
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C.elements = e;
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// config attrs
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x = C.deny_attribute ? C.deny_attribute.replace(/\s+/g, '') : '';
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x = htmLawed._flip(x[0] == '*' ? x.split(/-/) : (x+(C.safe ? ',on*' : '')).split(','));
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if (x['on*'])
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{
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delete x['on*'];
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v = { 'onblur':1, 'onchange':1, 'onclick':1, 'ondblclick':1, 'onfocus':1, 'onkeydown':1, 'onkeypress':1, 'onkeyup':1, 'onmousedown':1, 'onmousemove':1, 'onmouseout':1, 'onmouseover':1, 'onmouseup':1, 'onreset':1, 'onselect':1, 'onsubmit':1 };
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for (i in v)
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x[i] = true;
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}
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C.deny_attribute = x;
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// config URL
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x = C.schemes && C.schemes.length > 2 && C.schemes.indexOf(':') > 0 ? C.schemes.toLowerCase() : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, telnet; *:file, http, https';
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C.schemes = {};
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m = x.replace(/\s+/g, '').split(';');
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for (v in m)
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{
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x = m[v].split(':', 2);
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if (x[1])
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C.schemes[x[0]] = htmLawed._flip(x[1].split(','));
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}
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if (!C.schemes['*'])
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C.schemes['*'] = { file: 1, http: 1, https: 1 };
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if (C.safe && !C.schemes.style)
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C.schemes.style = { '!': 1 };
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C.abs_url = C.abs_url !== undefined ? C.abs_url : 0;
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if (C.base_url === undefined || !/^[a-zA-Z\d\.+\-]+:\/\/[^\/]+\/([\s\S]+?\/)?$/.exec(C.base_url))
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C.base_url = C.abs_url = 0;
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// config rest
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C.and_mark = !C.and_mark ? 0 : 1;
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C.anti_link_spam = (C.anti_link_spam !== undefined && C.anti_link_spam instanceof Array &&
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C.anti_link_spam.length == 2 && (!C.anti_link_spam[0] || htmLawed.hl_regex(C.anti_link_spam[0])) &&
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(!C.anti_link_spam[1] || htmLawed.hl_regex(C.anti_link_spam[1]))) ? C.anti_link_spam : 0;
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C.anti_mail_spam = C.anti_mail_spam !== undefined ? C.anti_mail_spam : 0;
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C.balance = C.balance !== undefined ? true && C.balance : true;
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C.cdata = C.cdata !== undefined ? C.cdata : (!C.safe ? 3 : 0);
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C.clean_ms_char = !C.clean_ms_char ? 0 : C.clean_ms_char;
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C.comment = C.comment !== undefined ? C.comment : (!C.safe ? 3 : 0);
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C.css_expression = !C.css_expression ? 0 : 1;
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C.direct_list_nest = !C.direct_list_nest ? 0 : 1;
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C.hexdec_entity = C.hexdec_entity !== undefined ? C.hexdec_entity : 1;
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C.hook = (C.hook && typeof C.hook == 'function') ? C.hook : 0;
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C.hook_tag = (C.hook_tag && typeof C.hook_tag == 'function') ? C.hook_tag : 0;
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C.keep_bad = C.keep_bad !== undefined ? C.keep_bad : 6;
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C.lc_std_val = C.lc_std_val !== undefined ? !!C.lc_std_val : 1;
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C.make_tag_strict = C.make_tag_strict !== undefined ? C.make_tag_strict : 1;
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C.named_entity = C.named_entity !== undefined ? !!C.named_entity : 1;
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C.no_deprecated_attr = C.no_deprecated_attr !== undefined ? C.no_deprecated_attr : 1;
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C.parent = typeof C.parent == 'string' && C.parent.length > 0 ? C.parent.toLowerCase() : 'body';
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C.show_setting = C.show_setting ? C.show_setting : 0;
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C.style_pass = !C.style_pass ? 0 : 1;
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C.tidy = !C.tidy ? 0 : C.tidy;
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C.unique_ids = C.unique_ids !== undefined ? C.unique_ids : 1;
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C['xml:lang'] = C['xml:lang'] !== undefined ? C['xml:lang'] : 0;
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S = typeof S == 'object' ? S : htmLawed.hl_spec(S);
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// FIXME statics
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htmLawed.C = C;
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htmLawed.S = S;
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// FIXME: т.к. яваскрипт работает с unicode, вероятно t = unescape(encodeURIComponent(s))
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t = t.replace(/[\x00-\x08\x0b-\x0c\x0e-\x1f]+/g, '');
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if (C.clean_ms_char)
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{
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x = { "\x7f":'', "\x80":'€', "\x81":'', "\x83":'ƒ', "\x85":'…', "\x86":'†', "\x87":'‡', "\x88":'ˆ', "\x89":'‰', "\x8a":'Š', "\x8b":'‹', "\x8c":'Œ', "\x8d":'', "\x8e":'Ž', "\x8f":'', "\x90":'', "\x95":'•', "\x96":'–', "\x97":'—', "\x98":'˜', "\x99":'™', "\x9a":'š', "\x9b":'›', "\x9c":'œ', "\x9d":'', "\x9e":'ž', "\x9f":'Ÿ' };
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var y;
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if (C.clean_ms_char == 1)
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y = { "\x82":'‚', "\x84":'„', "\x91":'‘', "\x92":'’', "\x93":'“', "\x94":'”' };
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else
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y = { "\x82":'\'', "\x84":'"', "\x91":'\'', "\x92":'\'', "\x93":'"', "\x94":'"' };
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for (i in y)
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x[i] = y[i];
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t = htmLawed._strtr(t, x);
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}
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if (C.cdata || C.comment)
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t = t.replace(/<!(?:(?:--[\s\S]*?--)|(?:\[CDATA\[[\s\S]*?\]\]))>/g, htmLawed.hl_cmtcd);
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t = t.replace(/&/g, '&').replace(/&([A-Za-z][A-Za-z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));/g, htmLawed.hl_ent);
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if (C.unique_ids && !htmLawed.hl_Ids)
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htmLawed.hl_Ids = {};
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if (C.hook)
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t = C.hook(t, C, S);
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// main
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t = t.replace(/<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>/gm, htmLawed.hl_tag);
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if (C.balance)
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t = htmLawed.hl_bal(t, C.keep_bad, C.parent);
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if ((C.cdata || C.comment) && t.indexOf("\x01") >= 0)
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t = htmLawed._strtr(t, { "\x01": '', "\x02": '', "\x03": '&', "\x04": '<', "\x05": '>' });
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if (C.tidy)
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t = htmLawed.hl_tidy(t, C.tidy, C.parent);
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// eof
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return t;
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},
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hl_attrval: function(a, t, p)
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{
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// check attr val against S
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var ma = { accesskey: 1, class: 1, rel: 1 };
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var s = ma[a] ? ' ' : '';
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var r = [];
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var i;
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t = s ? t.split(s) : [ t ];
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for (var tk = 0; tk < t.length; tk++)
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{
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var tv = t[tk];
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var o = 1;
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var l = tv.length;
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for (var k in p)
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{
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var v = p[k];
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switch (k)
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{
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case 'maxlen': if(l > v){o = 0;} break;
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case 'minlen': if(l < v){o = 0;} break;
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case 'maxval': if(parseFloat(tv) > v){o = 0;} break;
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case 'minval': if(parseFloat(tv) < v){o = 0;} break;
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case 'match': if(!v.exec(tv)){o = 0;} break;
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case 'nomatch': if(v.exec(tv)){o = 0;} break;
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case 'oneof':
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v = v.split('|');
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for (i = 0; i < v.length && v[i] != tv; i++) {}
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o = (i < v.length);
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break;
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case 'noneof':
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v = v.split('|');
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for (i = 0; i < v.length && v[i] != tv; i++) {}
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o = (i >= v.length);
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break;
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}
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if (!o)
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break;
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}
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if (o)
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r.push(tv);
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}
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return (r.length > 0 ? r.join(s) : (p['default'] || 0));
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// eof
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},
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hl_bal: function(t, keep_bad, intag)
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{
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if (keep_bad === undefined)
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keep_bad = 1;
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// balance tags
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// by content
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var cont = {};
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cont.B = { 'blockquote':1, 'form':1, 'map':1, 'noscript':1 }; // Block
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cont.E = { 'area':1, 'br':1, 'col':1, 'embed':1, 'hr':1, 'img':1, 'input':1, 'isindex':1, 'param':1 }; // Empty
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cont.F = { 'button':1, 'del':1, 'div':1, 'dd':1, 'fieldset':1, 'iframe':1, 'ins':1, 'li':1, 'noscript':1, 'object':1, 'td':1, 'th':1 }; // Flow; later context-wise dynamic move of ins & del to cont.I
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cont.I = { 'a':1, 'abbr':1, 'acronym':1, 'address':1, 'b':1, 'bdo':1, 'big':1, 'caption':1, 'cite':1, 'code':1, 'dfn':1, 'dt':1, 'em':1, 'font':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'i':1, 'kbd':1, 'label':1, 'legend':1, 'p':1, 'pre':1, 'q':1, 'rb':1, 'rt':1, 's':1, 'samp':1, 'small':1, 'span':1, 'strike':1, 'strong':1, 'sub':1, 'sup':1, 'tt':1, 'u':1, 'var':1 }; // Inline
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cont.N = { 'a':{'a':1}, 'button':{'a':1, 'button':1, 'fieldset':1, 'form':1, 'iframe':1, 'input':1, 'label':1, 'select':1, 'textarea':1}, 'fieldset':{'fieldset':1}, 'form':{'form':1}, 'label':{'label':1}, 'noscript':{'script':1}, 'pre':{'big':1, 'font':1, 'img':1, 'object':1, 'script':1, 'small':1, 'sub':1, 'sup':1}, 'rb':{'ruby':1}, 'rt':{'ruby':1} }; // Illegal
|
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cont.R = { 'blockquote':1, 'dir':1, 'dl':1, 'form':1, 'map':1, 'menu':1, 'noscript':1, 'ol':1, 'optgroup':1, 'rbc':1, 'rtc':1, 'ruby':1, 'select':1, 'table':1, 'tbody':1, 'tfoot':1, 'thead':1, 'tr':1, 'ul':1 };
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cont.S = { 'colgroup':{'col':1}, 'dir':{'li':1}, 'dl':{'dd':1, 'dt':1}, 'menu':{'li':1}, 'ol':{'li':1}, 'optgroup':{'option':1}, 'option':{'#pcdata':1}, 'rbc':{'rb':1}, 'rp':{'#pcdata':1}, 'rtc':{'rt':1}, 'ruby':{'rb':1, 'rbc':1, 'rp':1, 'rt':1, 'rtc':1}, 'select':{'optgroup':1, 'option':1}, 'script':{'#pcdata':1}, 'table':{'caption':1, 'col':1, 'colgroup':1, 'tfoot':1, 'tbody':1, 'tr':1, 'thead':1}, 'tbody':{'tr':1}, 'tfoot':{'tr':1}, 'textarea':{'#pcdata':1}, 'thead':{'tr':1}, 'tr':{'td':1, 'th':1}, 'ul':{'li':1} }; // Specific - immediate parent-child
|
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if (htmLawed.C.direct_list_nest)
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cont.S['ol']['ol'] = cont.S['ul']['ol'] = cont.S['ol']['ul'] = cont.S['ul']['ul'] = 1;
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cont.O = { 'address':{'p':1}, 'applet':{'param':1}, 'blockquote':{'script':1}, 'fieldset':{'legend':1, '#pcdata':1}, 'form':{'script':1}, 'map':{'area':1}, 'object':{'param':1, 'embed':1} }; // Other
|
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cont.T = { 'colgroup':1, 'dd':1, 'dt':1, 'li':1, 'option':1, 'p':1, 'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1 }; // Omitable closing
|
||
// block/inline type; ins & del both type; #pcdata: text
|
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var el = {};
|
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el.B = { 'address':1, 'blockquote':1, 'center':1, 'del':1, 'dir':1, 'dl':1, 'div':1, 'fieldset':1, 'form':1, 'ins':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'hr':1, 'isindex':1, 'menu':1, 'noscript':1, 'ol':1, 'p':1, 'pre':1, 'table':1, 'ul':1 };
|
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el.I = { '#pcdata':1, 'a':1, 'abbr':1, 'acronym':1, 'applet':1, 'b':1, 'bdo':1, 'big':1, 'br':1, 'button':1, 'cite':1, 'code':1, 'del':1, 'dfn':1, 'em':1, 'embed':1, 'font':1, 'i':1, 'iframe':1, 'img':1, 'input':1, 'ins':1, 'kbd':1, 'label':1, 'map':1, 'object':1, 'q':1, 'ruby':1, 's':1, 'samp':1, 'select':1, 'script':1, 'small':1, 'span':1, 'strike':1, 'strong':1, 'sub':1, 'sup':1, 'textarea':1, 'tt':1, 'u':1, 'var':1 };
|
||
el.N = { 'a':1, 'big':1, 'button':1, 'fieldset':1, 'font':1, 'form':1, 'iframe':1, 'img':1, 'input':1, 'label':1, 'object':1, 'ruby':1, 'script':1, 'select':1, 'small':1, 'sub':1, 'sup':1, 'textarea':1 }; // Exclude from specific ele; cont.N values
|
||
el.O = { 'area':1, 'caption':1, 'col':1, 'colgroup':1, 'dd':1, 'dt':1, 'legend':1, 'li':1, 'optgroup':1, 'option':1, 'param':1, 'rb':1, 'rbc':1, 'rp':1, 'rt':1, 'rtc':1, 'script':1, 'tbody':1, 'td':1, 'tfoot':1, 'thead':1, 'th':1, 'tr':1 }; // Missing in el.B & el.I
|
||
el.F = { ...el.B, ...el.I }; // FIXME <=> Object.assign({}, el.B, el.I)
|
||
|
||
function getCont(intag)
|
||
{
|
||
var inOk = {};
|
||
if (cont.S[intag])
|
||
inOk = cont.S[intag];
|
||
else if (cont.I[intag])
|
||
{
|
||
inOk = el.I;
|
||
cont.I['del'] = 1;
|
||
cont.I['ins'] = 1;
|
||
}
|
||
else if (cont.F[intag])
|
||
{
|
||
inOk = el.F;
|
||
delete cont.I['del'];
|
||
delete cont.I['ins'];
|
||
}
|
||
else if (cont.B[intag])
|
||
{
|
||
inOk = el.B;
|
||
delete cont.I['del'];
|
||
delete cont.I['ins'];
|
||
}
|
||
if (cont.O[intag])
|
||
inOk = { ...inOk, ...cont.O[intag] };
|
||
if (cont.N[intag])
|
||
{
|
||
inOk = { ...inOk };
|
||
for (var k in cont.N[intag])
|
||
delete inOk[k];
|
||
}
|
||
return inOk;
|
||
}
|
||
|
||
// intag sets allowed child
|
||
intag = ((el.F[intag] && intag != '#pcdata') || el.O[intag]) ? intag : 'div';
|
||
if (cont.E[intag])
|
||
return (!keep_bad ? '' : htmLawed.replace(/</g, '<').replace(/>/g, '>'));
|
||
var inOk = getCont(intag);
|
||
var ok = {}, q = [], ql; // q = seq list of open non-empty ele
|
||
var _ob = '';
|
||
var r, s, e, a, x, p;
|
||
t = t.split('<');
|
||
for (var i = 0, ci = t.length; i < ci; i++)
|
||
{
|
||
// get markup
|
||
r = /^(\/?)([a-z1-6]+)([^>]*)>([\s\S]*)$/.exec(t[i]);
|
||
if (!r)
|
||
x = t[i];
|
||
else
|
||
{
|
||
//s = r[1]; e = r[2]; a = r[3]; x = r[4];
|
||
[ , s, e, a, x ] = r; // FIXME ES6
|
||
// close tag
|
||
if (s)
|
||
{
|
||
if (cont.E[e] || !q.filter(x => x == e).length) // FIXME ES5.1 (IE9+)
|
||
{
|
||
// Empty/unopen
|
||
}
|
||
else if (p == e)
|
||
{
|
||
q.pop();
|
||
_ob += '</'+e+'>';
|
||
e = null;
|
||
// Last open
|
||
}
|
||
else
|
||
{
|
||
var add = ''; // Nesting - close open tags that need to be
|
||
while (q.length)
|
||
{
|
||
var d = q.pop();
|
||
if (d == e)
|
||
break;
|
||
else
|
||
add += '</'+d+'>';
|
||
}
|
||
_ob += add+'</'+e+'>';
|
||
e = null;
|
||
}
|
||
}
|
||
// open tag
|
||
// cont.B ele needs el.B ele as child
|
||
else if (cont.B[e] && x.trim().length > 0) // FIXME trim
|
||
{
|
||
t[i] = e+a+'>';
|
||
t.splice(i+1, 0, 'div>'+x);
|
||
ci++; i--;
|
||
e = x = null;
|
||
}
|
||
else if (((ql && cont.B[p]) || (cont.B[intag] && !ql)) && !el.B[e] && !ok[e])
|
||
{
|
||
t.splice(i, 0, 'div>');
|
||
ci++; i--;
|
||
e = x = null;
|
||
}
|
||
// if no open ele, intag = parent; mostly immediate parent-child relation should hold
|
||
else if (!ql || !el.N[e] || !q.filter(_k => cont.N[_k]).length)
|
||
{
|
||
if (!ok[e])
|
||
{
|
||
if (ql && cont.T[p])
|
||
{
|
||
_ob += '</'+q.pop()+'>';
|
||
e = x = null;
|
||
i--;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (!cont.E[e])
|
||
q.push(e);
|
||
_ob += '<'+e+a+'>';
|
||
e = null;
|
||
}
|
||
}
|
||
// specific parent-child
|
||
else if (cont.S[p] && cont.S[p][e])
|
||
{
|
||
if (!cont.E[e])
|
||
q.push(e);
|
||
_ob += '<'+e+a+'>';
|
||
e = null;
|
||
}
|
||
else
|
||
{
|
||
// nesting
|
||
add = '';
|
||
var q2 = [];
|
||
var _stop = 0;
|
||
for (var k = 0, kc = q.length; k < kc; k++)
|
||
{
|
||
d = q[k];
|
||
if (cont.S[d])
|
||
{
|
||
q2.push(d);
|
||
continue;
|
||
}
|
||
var ok2 = cont.I[d] ? el.I : el.F;
|
||
if (cont.O[d])
|
||
ok2 = { ...ok2, ...cont.O[d] };
|
||
if (cont.N[d])
|
||
{
|
||
ok2 = { ...ok2 };
|
||
for (var _k in cont.N[d])
|
||
delete ok2[_k];
|
||
}
|
||
if (!ok2[e])
|
||
{
|
||
if (!k && !inOk[e])
|
||
{
|
||
_stop = 1;
|
||
break;
|
||
}
|
||
add = '</'+d+'>';
|
||
while (++k < kc)
|
||
add = '</'+q[k]+'>'+add;
|
||
break;
|
||
}
|
||
else
|
||
q2.push(d);
|
||
}
|
||
if (!_stop)
|
||
{
|
||
q = q2;
|
||
if (!cont.E[e])
|
||
q.push(e);
|
||
_ob += add+'<'+e+a+'>';
|
||
e = null;
|
||
}
|
||
}
|
||
}
|
||
// allowed (ok) in parent (p)
|
||
ql = q.length;
|
||
if (ql)
|
||
{
|
||
p = q[ql-1];
|
||
ok = getCont(p);
|
||
}
|
||
else
|
||
{
|
||
ok = inOk;
|
||
delete cont.I['del'];
|
||
delete cont.I['ins'];
|
||
}
|
||
// bad tags, & ele content
|
||
if (e && (keep_bad == 1 || (ok['#pcdata'] && (keep_bad == 3 || keep_bad == 5))))
|
||
_ob += '<'+s+e+a+'>';
|
||
if (x !== '' && x !== null)
|
||
{
|
||
if (x.trim().length > 0 && ((ql && cont.B[p]) || (cont.B[intag] && !ql))) // FIXME trim
|
||
_ob += '<div>'+x+'</div>';
|
||
else if (keep_bad < 3 || ok['#pcdata'])
|
||
_ob += x;
|
||
else if (x.indexOf("\x02\x04") >= 0)
|
||
{
|
||
x = x.split(/(\x01\x02[^\x01\x02]+\x02\x01)+/);
|
||
for (var _i = 0; _i < x.length; _i++)
|
||
{
|
||
var v = x[_i];
|
||
_ob += v.substr(0, 2) == "\x01\x02" ? v : (keep_bad > 4 ? v.replace(/\S+/g, '') : '');
|
||
}
|
||
}
|
||
else if (keep_bad > 4)
|
||
_ob += x.replace(/\S+/g, '');
|
||
}
|
||
}
|
||
|
||
// end
|
||
while ((e = q.pop()))
|
||
_ob += '</'+e+'>';
|
||
return _ob;
|
||
// eof
|
||
},
|
||
hl_cmtcd: function(t)
|
||
{
|
||
// comment/CDATA sec handler
|
||
var n = t[3] == '-' ? 'comment' : 'cdata';
|
||
var v = htmLawed.C[n];
|
||
if (!v) return t;
|
||
if (v == 1) return '';
|
||
if (n == 'comment')
|
||
{
|
||
t = t.substr(4, t.length-3-4).replace(/--+/g, '-');
|
||
if (t.substr(t.length-1) != ' ')
|
||
t += ' ';
|
||
}
|
||
else
|
||
t = t.substr(1, t.length-2);
|
||
t = v == 2 ? htmLawed._strtr(t, { '&': '&', '<' : '<', '>': '>' }) : t;
|
||
t = (n == 'comment' ? "\x01\x02\x04!--"+t+"--\x05\x02\x01" : "\x01\x01\x04"+t+"\x05\x01\x01");
|
||
return htmLawed._strtr(t, { '&': "\x03", '<' : "\x04", '>': "\x05" });
|
||
// eof
|
||
},
|
||
ENT: { 'fnof':'402', 'Alpha':'913', 'Beta':'914', 'Gamma':'915', 'Delta':'916', 'Epsilon':'917', 'Zeta':'918', 'Eta':'919', 'Theta':'920', 'Iota':'921', 'Kappa':'922', 'Lambda':'923', 'Mu':'924', 'Nu':'925', 'Xi':'926', 'Omicron':'927', 'Pi':'928', 'Rho':'929', 'Sigma':'931', 'Tau':'932', 'Upsilon':'933', 'Phi':'934', 'Chi':'935', 'Psi':'936', 'Omega':'937', 'alpha':'945', 'beta':'946', 'gamma':'947', 'delta':'948', 'epsilon':'949', 'zeta':'950', 'eta':'951', 'theta':'952', 'iota':'953', 'kappa':'954', 'lambda':'955', 'mu':'956', 'nu':'957', 'xi':'958', 'omicron':'959', 'pi':'960', 'rho':'961', 'sigmaf':'962', 'sigma':'963', 'tau':'964', 'upsilon':'965', 'phi':'966', 'chi':'967', 'psi':'968', 'omega':'969', 'thetasym':'977', 'upsih':'978', 'piv':'982', 'bull':'8226', 'hellip':'8230', 'prime':'8242', 'Prime':'8243', 'oline':'8254', 'frasl':'8260', 'weierp':'8472', 'image':'8465', 'real':'8476', 'trade':'8482', 'alefsym':'8501', 'larr':'8592', 'uarr':'8593', 'rarr':'8594', 'darr':'8595', 'harr':'8596', 'crarr':'8629', 'lArr':'8656', 'uArr':'8657', 'rArr':'8658', 'dArr':'8659', 'hArr':'8660', 'forall':'8704', 'part':'8706', 'exist':'8707', 'empty':'8709', 'nabla':'8711', 'isin':'8712', 'notin':'8713', 'ni':'8715', 'prod':'8719', 'sum':'8721', 'minus':'8722', 'lowast':'8727', 'radic':'8730', 'prop':'8733', 'infin':'8734', 'ang':'8736', 'and':'8743', 'or':'8744', 'cap':'8745', 'cup':'8746', 'int':'8747', 'there4':'8756', 'sim':'8764', 'cong':'8773', 'asymp':'8776', 'ne':'8800', 'equiv':'8801', 'le':'8804', 'ge':'8805', 'sub':'8834', 'sup':'8835', 'nsub':'8836', 'sube':'8838', 'supe':'8839', 'oplus':'8853', 'otimes':'8855', 'perp':'8869', 'sdot':'8901', 'lceil':'8968', 'rceil':'8969', 'lfloor':'8970', 'rfloor':'8971', 'lang':'9001', 'rang':'9002', 'loz':'9674', 'spades':'9824', 'clubs':'9827', 'hearts':'9829', 'diams':'9830', 'apos':'39', 'OElig':'338', 'oelig':'339', 'Scaron':'352', 'scaron':'353', 'Yuml':'376', 'circ':'710', 'tilde':'732', 'ensp':'8194', 'emsp':'8195', 'thinsp':'8201', 'zwnj':'8204', 'zwj':'8205', 'lrm':'8206', 'rlm':'8207', 'ndash':'8211', 'mdash':'8212', 'lsquo':'8216', 'rsquo':'8217', 'sbquo':'8218', 'ldquo':'8220', 'rdquo':'8221', 'bdquo':'8222', 'dagger':'8224', 'Dagger':'8225', 'permil':'8240', 'lsaquo':'8249', 'rsaquo':'8250', 'euro':'8364', 'nbsp':'160', 'iexcl':'161', 'cent':'162', 'pound':'163', 'curren':'164', 'yen':'165', 'brvbar':'166', 'sect':'167', 'uml':'168', 'copy':'169', 'ordf':'170', 'laquo':'171', 'not':'172', 'shy':'173', 'reg':'174', 'macr':'175', 'deg':'176', 'plusmn':'177', 'sup2':'178', 'sup3':'179', 'acute':'180', 'micro':'181', 'para':'182', 'middot':'183', 'cedil':'184', 'sup1':'185', 'ordm':'186', 'raquo':'187', 'frac14':'188', 'frac12':'189', 'frac34':'190', 'iquest':'191', 'Agrave':'192', 'Aacute':'193', 'Acirc':'194', 'Atilde':'195', 'Auml':'196', 'Aring':'197', 'AElig':'198', 'Ccedil':'199', 'Egrave':'200', 'Eacute':'201', 'Ecirc':'202', 'Euml':'203', 'Igrave':'204', 'Iacute':'205', 'Icirc':'206', 'Iuml':'207', 'ETH':'208', 'Ntilde':'209', 'Ograve':'210', 'Oacute':'211', 'Ocirc':'212', 'Otilde':'213', 'Ouml':'214', 'times':'215', 'Oslash':'216', 'Ugrave':'217', 'Uacute':'218', 'Ucirc':'219', 'Uuml':'220', 'Yacute':'221', 'THORN':'222', 'szlig':'223', 'agrave':'224', 'aacute':'225', 'acirc':'226', 'atilde':'227', 'auml':'228', 'aring':'229', 'aelig':'230', 'ccedil':'231', 'egrave':'232', 'eacute':'233', 'ecirc':'234', 'euml':'235', 'igrave':'236', 'iacute':'237', 'icirc':'238', 'iuml':'239', 'eth':'240', 'ntilde':'241', 'ograve':'242', 'oacute':'243', 'ocirc':'244', 'otilde':'245', 'ouml':'246', 'divide':'247', 'oslash':'248', 'ugrave':'249', 'uacute':'250', 'ucirc':'251', 'uuml':'252', 'yacute':'253', 'thorn':'254', 'yuml':'255' },
|
||
ENT_U: { 'quot':1, 'amp':1, 'lt':1, 'gt':1 },
|
||
hl_ent: function(all, t)
|
||
{
|
||
// entity handler
|
||
var C = htmLawed.C;
|
||
if (t[0] != '#')
|
||
{
|
||
return (C.and_mark ? "\x06" : '&')+(htmLawed.ENT_U[t] ? t : (htmLawed.ENT[t]
|
||
? (!C.named_entity ? '#'+(C.hexdec_entity > 1 ? 'x'+parseInt(htmLawed.ENT[t]).toString(16) : htmLawed.ENT[t]) : t)
|
||
: 'amp;'+t))+';';
|
||
}
|
||
t = t.substr(1);
|
||
var n = /^\d+$/.exec(t) ? parseInt(t) : parseInt(t.replace(/[^a-f0-9]/gi, ''), 16);
|
||
if (n < 9 || (n > 13 && n < 32) || n == 11 || n == 12 || (n > 126 && n < 160 && n != 133) ||
|
||
(n > 55295 && (n < 57344 || (n > 64975 && n < 64992) || n == 65534 || n == 65535 || n > 1114111)))
|
||
{
|
||
return (C.and_mark ? "\x06" : '&')+"amp;#"+t+";";
|
||
}
|
||
return (C.and_mark ? "\x06" : '&')+'#'+(((/^\d+$/.exec(t) && C.hexdec_entity < 2) || !C.hexdec_entity) ? n : 'x'+n.toString(16))+';';
|
||
// eof
|
||
},
|
||
hl_prot: function(p, c)
|
||
{
|
||
var C = htmLawed.C;
|
||
var d = 'denied:';
|
||
// check URL scheme
|
||
var a = '', b = '';
|
||
if (c === undefined)
|
||
{
|
||
c = 'style';
|
||
b = p[1];
|
||
a = p[3];
|
||
p = p[2].trim();
|
||
}
|
||
c = C.schemes[c] || C.schemes['*'];
|
||
if (c['!'] && p.substr(0, 7) != d)
|
||
p = d+p;
|
||
if (c['*'] || /^[#;?]/.exec(p) || p.substr(0, 7) == d)
|
||
return b+p+a; // All ok, frag, query, param
|
||
var m = /^([^:?[@!$()*,=\/\'\]]+?)(:|&#(58|x3a);|%3a|\\0{0,4}3a)[\s\S]/i.exec(p); // '
|
||
if (m && !c[m[1].toLowerCase()]) // Denied prot
|
||
return b+d+p+a;
|
||
if (C.abs_url)
|
||
{
|
||
if (C.abs_url == -1 && p.indexOf(C.base_url) === 0)
|
||
{
|
||
// Make url rel
|
||
p = p.substr(C.base_url.length);
|
||
}
|
||
else if (!m[1])
|
||
{
|
||
// Make url abs
|
||
if (p.substr(0, 2) == '//')
|
||
p = C.base_url.substr(0, C.base_url.indexOf(':')+1)+p;
|
||
else if (p[0] == '/')
|
||
p = C.base_url.replace(/(^[\s\S]+?:\/\/[^\/]+)([\s\S]*)/, '$1')+p;
|
||
else if (!/^[\.\/]/.exec(p))
|
||
p = C.base_url+p;
|
||
else
|
||
{
|
||
m = /^([a-zA-Z\d\-+\.]+:\/\/[^\/]+)([\s\S]*)/.exec(C.base_url);
|
||
p = (m[2]+p).replace(/\/\.\//g, '/');
|
||
while (/\/([^\/]{3,}|[^\/\.]+?|\.[^\/\.]|[^\/\.]\.)\/\.\.\//.exec(p))
|
||
p = p.replace(/\/([^\/]{3,}|[^\/\.]+?|\.[^\/\.]|[^\/\.]\.)\/\.\.\//g, '/');
|
||
p = m[1]+p;
|
||
}
|
||
}
|
||
}
|
||
return b+p+a;
|
||
// eof
|
||
},
|
||
hl_regex: function(p)
|
||
{
|
||
try
|
||
{
|
||
var re = new RegExp(p);
|
||
return re && true;
|
||
}
|
||
catch (e)
|
||
{
|
||
}
|
||
return false;
|
||
},
|
||
hl_spec: function(t)
|
||
{
|
||
// final $spec
|
||
var s = {};
|
||
t = t.trim().replace(/"(`[\s\S]|[^\"])*"/g, function(m)
|
||
{
|
||
m = htmLawed._strtr(m[0], {';': "\x01", '|':"\x02", '~':"\x03", ' ':"\x04", ',':"\x05", '/':"\x06", '(':"\x07", ')':"\x08", '`"':'"'});
|
||
return m.substr(1, m.length-2);
|
||
}).replace(/\s+/g, '');
|
||
t = t.split(/;/);
|
||
var e, a, _i;
|
||
for (var i = t.length-1; i >= 0; i--)
|
||
{
|
||
var w = t[i];
|
||
if (!w || (e = w.indexOf('=')) < 0 || (a = w.substr(e+1)) === '')
|
||
continue;
|
||
var x, y = {}, n = {}, p, v, m;
|
||
a = a.split(',');
|
||
for (_i = 0; _i < a.length; _i++)
|
||
{
|
||
v = a[_i];
|
||
m = /^([a-z:\-\*]+)(?:\(([\s\S]*?)\))?/i.exec(v);
|
||
if (!m)
|
||
continue;
|
||
if (m[1] === '-*')
|
||
{
|
||
n['*'] = 1;
|
||
continue;
|
||
}
|
||
x = m[1].toLowerCase();
|
||
if (x[0] == '-')
|
||
{
|
||
n[x.substr(1)] = 1;
|
||
continue;
|
||
}
|
||
if (!m[2])
|
||
{
|
||
y[x] = 1;
|
||
continue;
|
||
}
|
||
m = m[2].split('/');
|
||
for (var _j = 0; _j < m.length; _j++)
|
||
{
|
||
if (!m[_j] || (p = m.indexOf('=')) == 0 || p < 5)
|
||
{
|
||
y[x] = 1;
|
||
continue;
|
||
}
|
||
y[x][m[_j].substr(0, p).toLowerCase()] = htmLawed._strtr(m[_j].substr(p+1), {"\x01":';', "\x02":'|', "\x03":'~', "\x04":' ', "\x05":',', "\x06":'/', "\x07":'(', "\x08":')'});
|
||
}
|
||
if (y[x].match && !htmLawed.hl_regex(y[x].match))
|
||
delete y[x].match;
|
||
if (y[x].nomatch && !htmLawed.hl_regex(y[x].nomatch))
|
||
delete y[x].nomatch;
|
||
}
|
||
var _y = 0;
|
||
for (_i in y)
|
||
{
|
||
_y = 1;
|
||
break;
|
||
}
|
||
var _n = 0;
|
||
for (_i in n)
|
||
{
|
||
_n = 1;
|
||
break;
|
||
}
|
||
if (!_y && !_n)
|
||
continue;
|
||
w = w.substr(0, e);
|
||
for (_i = 0; _i < w.length; _i++)
|
||
{
|
||
v = w[_i].toLowerCase();
|
||
if (v === '')
|
||
continue;
|
||
if (_y)
|
||
s[v] = y;
|
||
if (_n)
|
||
s[v].n = n;
|
||
}
|
||
}
|
||
return s;
|
||
// eof
|
||
},
|
||
TAG: {
|
||
D: { 'applet':1, 'center':1, 'dir':1, 'embed':1, 'font':1, 'isindex':1, 'menu':1, 's':1, 'strike':1, 'u':1 }, // Deprecated
|
||
E: { 'area':1, 'br':1, 'col':1, 'embed':1, 'hr':1, 'img':1, 'input':1, 'isindex':1, 'param':1 }, // Empty ele
|
||
N: { // Ele-specific
|
||
'abbr':{'td':1, 'th':1},
|
||
'accept-charset':{'form':1},
|
||
'accept':{'form':1, 'input':1},
|
||
'accesskey':{'a':1, 'area':1, 'button':1, 'input':1, 'label':1, 'legend':1, 'textarea':1},
|
||
'action':{'form':1},
|
||
'align':{
|
||
'caption':1, 'embed':1, 'applet':1, 'iframe':1, 'img':1, 'input':1, 'object':1, 'legend':1, 'table':1,
|
||
'hr':1, 'div':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'p':1, 'col':1, 'colgroup':1, 'tbody':1,
|
||
'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1
|
||
},
|
||
'allowfullscreen':{'iframe':1},
|
||
'alt':{'applet':1, 'area':1, 'img':1, 'input':1},
|
||
'archive':{'applet':1, 'object':1},
|
||
'axis':{'td':1, 'th':1},
|
||
'bgcolor':{'embed':1, 'table':1, 'tr':1, 'td':1, 'th':1},
|
||
'border':{'table':1, 'img':1, 'object':1},
|
||
'bordercolor':{'table':1, 'td':1, 'tr':1},
|
||
'cellpadding':{'table':1},
|
||
'cellspacing':{'table':1},
|
||
'char':{'col':1, 'colgroup':1, 'tbody':1, 'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1},
|
||
'charoff':{'col':1, 'colgroup':1, 'tbody':1, 'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1},
|
||
'charset':{'a':1, 'script':1},
|
||
'checked':{'input':1},
|
||
'cite':{'blockquote':1, 'q':1, 'del':1, 'ins':1},
|
||
'classid':{'object':1},
|
||
'clear':{'br':1},
|
||
'code':{'applet':1},
|
||
'codebase':{'object':1, 'applet':1},
|
||
'codetype':{'object':1},
|
||
'color':{'font':1},
|
||
'cols':{'textarea':1},
|
||
'colspan':{'td':1, 'th':1},
|
||
'compact':{'dir':1, 'dl':1, 'menu':1, 'ol':1, 'ul':1},
|
||
'coords':{'area':1, 'a':1},
|
||
'data':{'object':1},
|
||
'datetime':{'del':1, 'ins':1},
|
||
'declare':{'object':1},
|
||
'defer':{'script':1},
|
||
'dir':{'bdo':1},
|
||
'disabled':{'button':1, 'input':1, 'optgroup':1, 'option':1, 'select':1, 'textarea':1},
|
||
'enctype':{'form':1},
|
||
'face':{'font':1},
|
||
'flashvars':{'embed':1},
|
||
'for':{'label':1},
|
||
'frame':{'table':1},
|
||
'frameborder':{'iframe':1},
|
||
'headers':{'td':1, 'th':1},
|
||
'height':{'embed':1, 'iframe':1, 'td':1, 'th':1, 'img':1, 'object':1, 'applet':1},
|
||
'href':{'a':1, 'area':1},
|
||
'hreflang':{'a':1},
|
||
'hspace':{'applet':1, 'img':1, 'object':1},
|
||
'ismap':{'img':1, 'input':1},
|
||
'label':{'option':1, 'optgroup':1},
|
||
'language':{'script':1},
|
||
'longdesc':{'img':1, 'iframe':1},
|
||
'marginheight':{'iframe':1},
|
||
'marginwidth':{'iframe':1},
|
||
'maxlength':{'input':1},
|
||
'method':{'form':1},
|
||
'model':{'embed':1},
|
||
'multiple':{'select':1},
|
||
'name':{
|
||
'button':1, 'embed':1, 'textarea':1, 'applet':1, 'select':1, 'form':1, 'iframe':1, 'img':1,
|
||
'a':1, 'input':1, 'object':1, 'map':1, 'param':1
|
||
},
|
||
'nohref':{'area':1},
|
||
'noshade':{'hr':1},
|
||
'nowrap':{'td':1, 'th':1},
|
||
'object':{'applet':1},
|
||
'onblur':{'a':1, 'area':1, 'button':1, 'input':1, 'label':1, 'select':1, 'textarea':1},
|
||
'onchange':{'input':1, 'select':1, 'textarea':1},
|
||
'onfocus':{'a':1, 'area':1, 'button':1, 'input':1, 'label':1, 'select':1, 'textarea':1},
|
||
'onreset':{'form':1},
|
||
'onselect':{'input':1, 'textarea':1},
|
||
'onsubmit':{'form':1},
|
||
'pluginspage':{'embed':1},
|
||
'pluginurl':{'embed':1},
|
||
'prompt':{'isindex':1},
|
||
'readonly':{'textarea':1, 'input':1},
|
||
'rel':{'a':1},
|
||
'rev':{'a':1},
|
||
'rows':{'textarea':1},
|
||
'rowspan':{'td':1, 'th':1},
|
||
'rules':{'table':1},
|
||
'scope':{'td':1, 'th':1},
|
||
'scrolling':{'iframe':1},
|
||
'selected':{'option':1},
|
||
'shape':{'area':1, 'a':1},
|
||
'size':{'hr':1, 'font':1, 'input':1, 'select':1},
|
||
'span':{'col':1, 'colgroup':1},
|
||
'src':{'embed':1, 'script':1, 'input':1, 'iframe':1, 'img':1},
|
||
'standby':{'object':1},
|
||
'start':{'ol':1},
|
||
'summary':{'table':1},
|
||
'tabindex':{'a':1, 'area':1, 'button':1, 'input':1, 'object':1, 'select':1, 'textarea':1}, // FIXME not specific! allowed everywhere
|
||
'target':{'a':1, 'area':1, 'form':1},
|
||
'type':{'a':1, 'embed':1, 'object':1, 'param':1, 'script':1, 'input':1, 'li':1, 'ol':1, 'ul':1, 'button':1},
|
||
'usemap':{'img':1, 'input':1, 'object':1},
|
||
'valign':{'col':1, 'colgroup':1, 'tbody':1, 'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1},
|
||
'value':{'input':1, 'option':1, 'param':1, 'button':1, 'li':1},
|
||
'valuetype':{'param':1},
|
||
'vspace':{'applet':1, 'img':1, 'object':1},
|
||
'width':{'embed':1, 'hr':1, 'iframe':1, 'img':1, 'object':1, 'table':1, 'td':1, 'th':1, 'applet':1, 'col':1, 'colgroup':1, 'pre':1},
|
||
'wmode':{'embed':1},
|
||
'xml:space':{'pre':1, 'script':1, 'style':1}
|
||
},
|
||
NE: { // Empty
|
||
'allowfullscreen':1, 'checked':1, 'compact':1, 'declare':1, 'defer':1, 'disabled':1,
|
||
'ismap':1, 'multiple':1, 'nohref':1, 'noresize':1, 'noshade':1, 'nowrap':1, 'readonly':1, 'selected':1
|
||
},
|
||
NP: { // Need scheme check; excludes style, on* & src
|
||
'action':1, 'cite':1, 'classid':1, 'codebase':1, 'data':1, 'href':1,
|
||
'longdesc':1, 'model':1, 'pluginspage':1, 'pluginurl':1, 'usemap':1
|
||
},
|
||
NU: { // Univ & exceptions
|
||
'class':{'param':1, 'script':1},
|
||
'dir':{'applet':1, 'bdo':1, 'br':1, 'iframe':1, 'param':1, 'script':1},
|
||
'id':{'script':1},
|
||
'lang':{'applet':1, 'br':1, 'iframe':1, 'param':1, 'script':1},
|
||
'xml:lang':{'applet':1, 'br':1, 'iframe':1, 'param':1, 'script':1},
|
||
'onclick':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'ondblclick':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onkeydown':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onkeypress':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onkeyup':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onmousedown':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onmousemove':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onmouseout':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onmouseover':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'onmouseup':{'applet':1, 'bdo':1, 'br':1, 'font':1, 'iframe':1, 'isindex':1, 'param':1, 'script':1},
|
||
'style':{'param':1, 'script':1},
|
||
'title':{'param':1, 'script':1}
|
||
},
|
||
// predef attr vals for $eAL & $aNE ele
|
||
NL: {
|
||
'all':1, 'baseline':1, 'bottom':1, 'button':1, 'center':1, 'char':1, 'checkbox':1, 'circle':1, 'col':1,
|
||
'colgroup':1, 'cols':1, 'data':1, 'default':1, 'file':1, 'get':1, 'groups':1, 'hidden':1, 'image':1,
|
||
'justify':1, 'left':1, 'ltr':1, 'middle':1, 'none':1, 'object':1, 'password':1, 'poly':1, 'post':1,
|
||
'preserve':1, 'radio':1, 'rect':1, 'ref':1, 'reset':1, 'right':1, 'row':1, 'rowgroup':1,
|
||
'rows':1, 'rtl':1, 'submit':1, 'text':1, 'top':1
|
||
},
|
||
AL: {
|
||
'a':1, 'area':1, 'bdo':1, 'button':1, 'col':1, 'form':1, 'img':1, 'input':1, 'object':1, 'optgroup':1,
|
||
'option':1, 'param':1, 'script':1, 'select':1, 'table':1, 'td':1, 'tfoot':1, 'th':1, 'thead':1, 'tr':1, 'xml:space':1
|
||
},
|
||
// dep attr:applicable ele
|
||
ND: {
|
||
'align':{
|
||
'caption':1, 'div':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'hr':1, 'img':1,
|
||
'input':1, 'legend':1, 'object':1, 'p':1, 'table':1
|
||
},
|
||
'bgcolor':{'table':1, 'td':1, 'th':1, 'tr':1},
|
||
'border':{'img':1, 'object':1},
|
||
'bordercolor':{'table':1, 'td':1, 'tr':1},
|
||
'clear':{'br':1},
|
||
'compact':{'dl':1, 'ol':1, 'ul':1},
|
||
'height':{'td':1, 'th':1},
|
||
'hspace':{'img':1, 'object':1},
|
||
'language':{'script':1},
|
||
'name':{'a':1, 'form':1, 'iframe':1, 'img':1, 'map':1},
|
||
'noshade':{'hr':1},
|
||
'nowrap':{'td':1, 'th':1},
|
||
'size':{'hr':1},
|
||
'start':{'ol':1},
|
||
'type':{'li':1, 'ol':1, 'ul':1},
|
||
'value':{'li':1},
|
||
'vspace':{'img':1, 'object':1},
|
||
'width':{'hr':1, 'pre':1, 'td':1, 'th':1}
|
||
},
|
||
AD: {
|
||
'a':1, 'br':1, 'caption':1, 'div':1, 'dl':1, 'form':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1,
|
||
'h6':1, 'hr':1, 'iframe':1, 'img':1, 'input':1, 'legend':1, 'li':1, 'map':1, 'object':1, 'ol':1,
|
||
'p':1, 'pre':1, 'script':1, 'table':1, 'td':1, 'th':1, 'tr':1, 'ul':1
|
||
},
|
||
AR: { // rqd attr
|
||
'area':{'alt':'area'},
|
||
'bdo':{'dir':'ltr'},
|
||
'form':{'action':''},
|
||
'img':{'src':'', 'alt':'image'},
|
||
'map':{'name':''},
|
||
'optgroup':{'label':''},
|
||
'param':{'name':''},
|
||
'script':{'type':'text/javascript'},
|
||
'textarea':{'rows':'10', 'cols':'50'}
|
||
}
|
||
},
|
||
STYLE_ENT: {
|
||
' ':' ', ' ':' ',
|
||
'E':'e', 'E':'e', 'e':'e', 'e':'e',
|
||
'X':'x', 'X':'x', 'x':'x', 'x':'x',
|
||
'P':'p', 'P':'p', 'p':'p', 'p':'p',
|
||
'S':'s', 'S':'s', 's':'s', 's':'s',
|
||
'I':'i', 'I':'i', 'i':'i', 'i':'i',
|
||
'O':'o', 'O':'o', 'o':'o', 'o':'o',
|
||
'N':'n', 'N':'n', 'n':'n', 'n':'n',
|
||
'U':'u', 'U':'u', 'u':'u', 'u':'u',
|
||
'R':'r', 'R':'r', 'r':'r', 'r':'r',
|
||
'L':'l', 'L':'l', 'l':'l', 'l':'l',
|
||
'(':'(', '(':'(', ')':')', ')':')',
|
||
':':':', ':':':', '"':'"', '"':'"', // FIXME PHP version has bug here: bad codes for ':'
|
||
''':"'", ''':"'", '/':'/', '/':'/',
|
||
'*':'*', '*':'*', '\':'\\', '\':'\\'
|
||
},
|
||
FONT_SIZE: {
|
||
'0':'xx-small', '1':'xx-small', '2':'small', '3':'medium', '4':'large',
|
||
'5':'x-large', '6':'xx-large', '7':'300%', '-1':'smaller', '-2':'60%',
|
||
'+1':'larger', '+2':'150%', '+3':'200%', '+4':'300%'
|
||
},
|
||
hl_tag: function(t)
|
||
{
|
||
// tag/attribute handler
|
||
var C = htmLawed.C;
|
||
var S = htmLawed.S;
|
||
var TAG = htmLawed.TAG;
|
||
// invalid < >
|
||
if (t == '< ')
|
||
return '< ';
|
||
if (t == '>')
|
||
return '>';
|
||
var e;
|
||
var m = /^<(\/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$/m.exec(t);
|
||
if (!m)
|
||
return t.replace(/</g, '<').replace(/>/g, '>');
|
||
else if (!C.elements[e = m[2].toLowerCase()])
|
||
return (C.keep_bad%2) ? t.replace(/</g, '<').replace(/>/g, '>') : '';
|
||
// attr string
|
||
var a = m[3].trim().replace(/[\n\r\t]/g, ' ');
|
||
// tag transform
|
||
var tr_tag_attr = '';
|
||
if (C.make_tag_strict && TAG.D[e])
|
||
{
|
||
[ e, a, tr_tag_attr ] = htmLawed.hl_tag2(e, a, C.make_tag_strict);
|
||
if (!e)
|
||
return (C.keep_bad%2) ? t.replace(/</g, '<').replace(/>/g, '>') : '';
|
||
}
|
||
// close tag
|
||
if (m[1])
|
||
return !TAG.E[e] ? (!C.hook_tag ? '</'+e+'>' : C.hook_tag(e)) : ((C.keep_bad%2) ? t.replace(/</g, '<').replace(/>/g, '>') : '');
|
||
// open tag & attr
|
||
var lcase;
|
||
if (C.lc_std_val)
|
||
lcase = TAG.AL[e] ? 1 : 0;
|
||
var depTr = 0;
|
||
if (C.no_deprecated_attr)
|
||
{
|
||
// dep attr:applicable ele
|
||
depTr = TAG.AD[e] ? 1 : 0;
|
||
}
|
||
// attr name-vals
|
||
if (a.indexOf("\x01") >= 0)
|
||
{
|
||
// No comment/CDATA sec
|
||
a = a.replace(/\x01[^\x01]*\x01/g, '');
|
||
}
|
||
var mode = 0;
|
||
a = a.replace(/^[ \/]+|[ \/]+$/g, '');
|
||
var aA = {};
|
||
var nm;
|
||
while (a !== '')
|
||
{
|
||
var w = 0;
|
||
switch (mode)
|
||
{
|
||
case 0: // Name
|
||
m = /^[a-zA-Z][\-a-zA-Z:]+/.exec(a);
|
||
if (m)
|
||
{
|
||
nm = m[0].toLowerCase();
|
||
w = mode = 1;
|
||
a = a.substr(m[0].length).replace(/^\s+/, '');
|
||
}
|
||
break;
|
||
case 1:
|
||
if (a[0] == '=')
|
||
{
|
||
// =
|
||
w = 1;
|
||
mode = 2;
|
||
a = a.replace(/^[ =]+/, '');
|
||
}
|
||
else
|
||
{
|
||
// No val
|
||
w = 1;
|
||
mode = 0;
|
||
a = a.replace(/^\s+/, '');
|
||
aA[nm] = '';
|
||
}
|
||
break;
|
||
case 2: // Val
|
||
m = /^((?:"[^\"]*")|(?:'[^\']*\')|(?:\s*[^\s"']+))([\s\S]*)/.exec(a);
|
||
if (m)
|
||
{
|
||
a = m[2].replace(/^\s+/, '');
|
||
m = m[1];
|
||
w = 1;
|
||
mode = 0;
|
||
aA[nm] = (m[0] == '"' || m[0] == '\'' ? m.substr(1, m.length-2) : m).replace(/</g, '<').trim();
|
||
}
|
||
break;
|
||
}
|
||
if (w == 0)
|
||
{
|
||
// Parse errs, deal with space, " & '
|
||
a = a.replace(/^(?:"[^\"]*("|$)|'[^\']*('|$)|\S)*\s*/g, '');
|
||
mode = 0;
|
||
}
|
||
}
|
||
if (mode == 1)
|
||
aA[nm] = '';
|
||
// clean attrs
|
||
var rl = S[e] || {};
|
||
a = {};
|
||
var nfr = 0;
|
||
var k, v;
|
||
for (k in aA)
|
||
{
|
||
v = aA[k];
|
||
if (((C.deny_attribute['*'] ? C.deny_attribute[k] : !C.deny_attribute[k]) &&
|
||
(TAG.N[k] && TAG.N[k][e] || (TAG.NU[k] && !TAG.NU[k][e])) &&
|
||
(!rl.n || !rl.n[k] && !rl.n['*'])) || rl[k])
|
||
{
|
||
if (TAG.NE[k])
|
||
v = k;
|
||
else if (lcase && ((e != 'button' || e != 'input') || k == 'type'))
|
||
{
|
||
// Rather loose but ?not cause issues
|
||
var v2 = v.toLowerCase();
|
||
v = TAG.NL[v2] ? v2 : v;
|
||
}
|
||
if (k == 'style' && !C.style_pass)
|
||
{
|
||
if (v.indexOf('&#') >= 0)
|
||
v = htmLawed._strtr(v, htmLawed.STYLE_ENT);
|
||
v = v.replace(/(url(?:\()(?: )*(?:'|"|&(?:quot|apos);)?)([\s\S]+?)((?:"|'|&(?:quot|apos);)?(?: )*(?:\)))/gi, function(m, m1, m2, m3)
|
||
{
|
||
return htmLawed.hl_prot([ m, m1, m2, m3 ]);
|
||
});
|
||
v = !C.css_expression ? v.replace(/\\\S|(\/|(%2f))(\*|(%2a))/gi, ' ').replace(/expression/gi, ' ') : v;
|
||
}
|
||
else if (TAG.NP[k] || k.indexOf('src') >= 0 || k[0] == 'o')
|
||
{
|
||
// double-quoted char is soft-hyphen; appears here as "" or hyphen or something else depending on viewing software
|
||
v = (v.indexOf('&') >= 0 ? v.replace(/­|­|­/g, ' ') : v).replace(//g, ' ');
|
||
v = htmLawed.hl_prot(v, k);
|
||
if (k == 'href')
|
||
{
|
||
// X-spam
|
||
if (C.anti_mail_spam && v.indexOf('mailto:') === 0)
|
||
v = v.replace(/@/g, htmLawed._htmlspecialchars(C.anti_mail_spam));
|
||
else if (C.anti_link_spam)
|
||
{
|
||
var r1 = C.anti_link_spam[1];
|
||
if (r1 && (new RegExp(r1)).exec(v))
|
||
continue;
|
||
var r0 = C.anti_link_spam[0];
|
||
if (r0 && (new RegExp(r0)).exec(v))
|
||
{
|
||
if (a.rel)
|
||
{
|
||
if (!/\bnofollow\b/i.exec(a.rel))
|
||
a.rel += ' nofollow';
|
||
}
|
||
else if (aA['rel'])
|
||
{
|
||
if (!/\bnofollow\b/i.exec(aA['rel']))
|
||
nfr = 1;
|
||
}
|
||
else
|
||
a.rel = 'nofollow';
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (rl[k] && rl[k] instanceof Array && (v = htmLawed.hl_attrval(k, v, rl[k])) === 0)
|
||
continue;
|
||
a[k] = v.replace(/"/g, '"'); // "
|
||
}
|
||
}
|
||
if (nfr)
|
||
a.rel = a.rel ? a.rel+' nofollow' : 'nofollow';
|
||
|
||
// rqd attr
|
||
if (TAG.AR[e])
|
||
{
|
||
for (k in TAG.AR[e])
|
||
if (!a[k])
|
||
a[k] = TAG.AR[e][k] || k;
|
||
}
|
||
|
||
// depr attrs
|
||
if (depTr)
|
||
{
|
||
var c = [];
|
||
for (k in a)
|
||
{
|
||
v = a[k];
|
||
if (k == 'style' || !TAG.ND[k] || !TAG.ND[k][e])
|
||
continue;
|
||
if (k == 'align')
|
||
{
|
||
delete a[k];
|
||
if (e == 'img' && (v == 'left' || v == 'right'))
|
||
c.push('float: '+v);
|
||
else if ((e == 'div' || e == 'table') && v == 'center')
|
||
c.push('margin: auto');
|
||
else
|
||
c.push('text-align: '+v);
|
||
}
|
||
else if (k == 'bgcolor')
|
||
c.push('background-color: '+v);
|
||
else if (k == 'border')
|
||
c.push('border: '+v+'px');
|
||
else if (k == 'bordercolor')
|
||
c.push('border-color: '+v);
|
||
else if (k == 'clear')
|
||
c.push('clear: '+(v != 'all' ? v : 'both'));
|
||
else if (k == 'compact')
|
||
c.push('font-size: 85%');
|
||
else if (k == 'height' || k == 'width')
|
||
c.push(k+': '+(v[0] != '*' ? v+(/^\d+$/.exec(v) ? 'px' : '') : 'auto'));
|
||
else if (k == 'hspace')
|
||
c.push('margin-left: '+v+'px; margin-right: '+v+'px');
|
||
else if (k == 'language' && !a.type)
|
||
a.type = 'text/'+v.toLowerCase();
|
||
else if (k == 'name')
|
||
{
|
||
if (!a.id && /^[a-zA-Z][a-zA-Z\d\.:_\-]*$/.exec(v))
|
||
a.id = v;
|
||
if (!(C.no_deprecated_attr == 2 || (e != 'a' && e != 'map')))
|
||
{
|
||
// do not delete a[name]
|
||
continue;
|
||
}
|
||
}
|
||
else if (k == 'noshade')
|
||
c.push('border-style: none; border: 0; background-color: gray; color: gray');
|
||
else if (k == 'nowrap')
|
||
c.push('white-space: nowrap');
|
||
else if (k == 'size')
|
||
c.push('size: '+v+'px');
|
||
else if (k == 'start' || k == 'value')
|
||
{
|
||
// just delete
|
||
}
|
||
else if (k == 'type')
|
||
{
|
||
var ol_type = { 'i':'lower-roman', 'I':'upper-roman', 'a':'lower-latin', 'A':'upper-latin', '1':'decimal' };
|
||
c.push('list-style-type: '+(ol_type[v] || 'decimal'));
|
||
}
|
||
else if (k == 'vspace')
|
||
c.push('margin-top: '+v+'px; margin-bottom: '+v+'px');
|
||
else
|
||
continue;
|
||
delete a[k];
|
||
}
|
||
if (c.length)
|
||
{
|
||
c = c.join('; ');
|
||
a.style = a.style ? a.style.replace(/[ ;]+$/, '')+'; '+c+';' : c+';';
|
||
}
|
||
}
|
||
|
||
// unique ID
|
||
if (C.unique_ids && a.id)
|
||
{
|
||
if (!/^[A-Za-z][A-Za-z0-9_\-\.:]*$/.exec(a.id) ||
|
||
htmLawed.hl_Ids[a.id] && C.unique_ids == 1)
|
||
delete a.id;
|
||
else
|
||
{
|
||
while (htmLawed.hl_Ids[a.id])
|
||
a.id = C.unique_ids+a.id; // FIXME 1 2 3 4 ... ?
|
||
htmLawed.hl_Ids[a.id] = 1;
|
||
}
|
||
}
|
||
|
||
// xml:lang
|
||
if (C['xml:lang'] && a.lang)
|
||
{
|
||
a['xml:lang'] = a['xml:lang'] || a['lang'];
|
||
if (C['xml:lang'] == 2)
|
||
delete a['lang'];
|
||
}
|
||
|
||
// for transformed tag
|
||
if (tr_tag_attr)
|
||
a.style = a.style ? a.style.replace(/[ ;]+$/, '')+'; '+tr_tag_attr : tr_tag_attr;
|
||
|
||
// return with empty ele /
|
||
if (!C.hook_tag)
|
||
{
|
||
aA = '';
|
||
for (k in a)
|
||
aA += ' '+k+'="'+a[k]+'"';
|
||
return '<'+e+aA+(TAG.E[e] ? ' /' : '')+'>';
|
||
}
|
||
return C.hook_tag(e, a);
|
||
// eof
|
||
},
|
||
hl_tag2: function(e, a, t)
|
||
{
|
||
if (!t)
|
||
t = 1;
|
||
// transform tag
|
||
if (e == 'center')
|
||
return [ 'div', a, 'text-align: center;' ];
|
||
else if (e == 'dir' || e == 'menu')
|
||
return [ 'ul', a, '' ];
|
||
else if (e == 's' || e == 'strike')
|
||
return [ 'span', a, 'text-decoration: line-through;' ];
|
||
else if (e == 'u')
|
||
return [ 'span', a, 'text-decoration: underline;' ];
|
||
else if (e == 'font')
|
||
{
|
||
var a2 = '';
|
||
var m;
|
||
while ((m = /(^|\s)(color|size)\s*=\s*('|")?([\s\S]+?)(\3|\s|$)/i.exec(a))) // '
|
||
{
|
||
a = a.replace(m[0], ' ');
|
||
m[4] = m[4].trim();
|
||
if (m[2].toLowerCase() == 'color')
|
||
a2 += ' color: '+m[4].replace(/"/g, "'")+';'; // '
|
||
else if ((m = htmLawed.FONT_SIZE[m[4]]))
|
||
a2 += ' font-size: '+m.replace(/"/g, "'")+';'; // '
|
||
}
|
||
while ((m = /(^|\s)face\s*=\s*('|")([^=]+)\2/i.exec(a) || /(^|\s)face\s*=(\s*)(\S+)/i.exec(a))) // FIXME: PHP version has bug here: ("|')?
|
||
{
|
||
a = a.replace(m[0], ' ');
|
||
a2 += ' font-family: '+m[3].trim().replace(/"/g, "'")+';'; // '
|
||
}
|
||
return [ 'span', a, a2.replace(/<|^\s+/g, '') ];
|
||
}
|
||
if (t == 2)
|
||
return [ 0, a, 0 ];
|
||
return [ e, a, '' ];
|
||
// eof
|
||
},
|
||
TIDY: {
|
||
a: {'br':1},
|
||
b: {'button':1, 'input':1, 'option':1, 'param':1},
|
||
c: {
|
||
'caption':1, 'dd':1, 'dt':1, 'h1':1, 'h2':1, 'h3':1, 'h4':1, 'h5':1, 'h6':1, 'isindex':1,
|
||
'label':1, 'legend':1, 'li':1, 'object':1, 'p':1, 'pre':1, 'td':1, 'textarea':1, 'th':1
|
||
},
|
||
d: {
|
||
'address':1, 'blockquote':1, 'center':1, 'colgroup':1, 'dir':1, 'div':1, 'dl':1, 'fieldset':1,
|
||
'form':1, 'hr':1, 'iframe':1, 'map':1, 'menu':1, 'noscript':1, 'ol':1, 'optgroup':1, 'rbc':1,
|
||
'rtc':1, 'ruby':1, 'script':1, 'select':1, 'table':1, 'tbody':1, 'tfoot':1, 'thead':1, 'tr':1, 'ul':1
|
||
}
|
||
},
|
||
hl_tidy: function(t, w, p)
|
||
{
|
||
// Tidy/compact HTM
|
||
if (' pre,script,textarea'.indexOf("$p,") >= 0)
|
||
return t;
|
||
var _repl = function(m)
|
||
{
|
||
return m[1]+htmLawed._strtr(m[3], {'<': "\x01", '>':"\x02", "\n":"\x03", "\r":"\x04", "\t":"\x05", ' ':"\x07"})+m[4];
|
||
};
|
||
t = t.replace(/(<(!\[CDATA\[))([\s\S]+?)(\]\]>)/g, _repl)
|
||
.replace(/(<(!--))([\s\S]+?)(-->)/g, _repl)
|
||
.replace(/(<(pre|script|textarea)[^>]*?>)([\s\S]+?)(<\/\2>)/g, _repl)
|
||
.replace(/\s+/g, ' ');
|
||
if (w == -1)
|
||
return htmLawed._strtr(t, {"\x01":'<', "\x02":'>', "\x03":"\n", "\x04":"\r", "\x05":"\t", "\x07":' '});
|
||
w = w.toLowerCase();
|
||
var s = w.indexOf('t') >= 0 ? "\t" : ' ';
|
||
var m = /\d/.exec(w);
|
||
s = new Array(1+(m ? m[0] : (s == "\t" ? 1 : 2))).join(s); // str_repeat == new Array(n+1).join(s)
|
||
m = /[ts]([1-9])/.exec(w);
|
||
var N = m ? m[1] : 0;
|
||
var T = t.split('<');
|
||
var X = 1;
|
||
var n, e, r;
|
||
var _ob, ss = '';
|
||
_tidy: while (X)
|
||
{
|
||
n = N;
|
||
t = T;
|
||
_ob = '';
|
||
if (htmLawed.TIDY.d[p])
|
||
_ob += (ss += s);
|
||
_ob += t.shift().replace(/^\s+/, '');
|
||
for (var i = 0, j = t.length; i < j; i++)
|
||
{
|
||
[ e, r ] = t[i].split('>');
|
||
var x = e[0] == '/' ? 0 : (e.substr(e.length-1) == '/' ? 1 : (e[0] != '!' ? 2 : -1));
|
||
var _p = e.indexOf(' ');
|
||
var y = !x ? e.replace(/^\/+/, '') : (x > 0 ? (_p < 0 ? e : e.substr(0, _p)) : 0);
|
||
e = '<'+e+'>';
|
||
if (htmLawed.TIDY.d[y])
|
||
{
|
||
if (!x)
|
||
{
|
||
if (n)
|
||
{
|
||
ss = ss.substr(0, ss.length-s.length);
|
||
_ob += "\n" + ss + e + "\n" + ss;
|
||
}
|
||
else
|
||
{
|
||
N++;
|
||
continue _tidy;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
_ob += "\n"+ss+e+"\n";
|
||
_ob += (x != 1 ? (ss += s) : ss);
|
||
}
|
||
_ob += r;
|
||
continue;
|
||
}
|
||
var f = "\n"+ss;
|
||
if (htmLawed.TIDY.c[y])
|
||
{
|
||
if (!x)
|
||
_ob += e+f+r;
|
||
else
|
||
_ob += f+e+r;
|
||
}
|
||
else if (htmLawed.TIDY.b[y])
|
||
_ob += f+e+r;
|
||
else if (htmLawed.TIDY.a[y])
|
||
_ob += e+f+r;
|
||
else if (!y)
|
||
_ob += f+e+f+r;
|
||
else
|
||
_ob += e+r;
|
||
}
|
||
X = 0;
|
||
}
|
||
t = _ob.replace(/[\n]\s*?[\n]+/g, "\n").replace(/\n | \n/g, "\n");
|
||
var l = w.indexOf('r') >= 0 ? (w.indexOf('n') >= 0 ? "\r\n" : "\r") : null;
|
||
if (l)
|
||
t = t.replace(/\n/g, l);
|
||
return htmLawed._strtr(t, {"\x01":'<', "\x02":'>', "\x03":"\n", "\x04":"\r", "\x05":"\t", "\x07":' '});
|
||
// eof
|
||
},
|
||
hl_version: function()
|
||
{
|
||
return '1.1.22';
|
||
}
|
||
};
|