'use strict';
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module.exports = function (opts) {
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var re = {};
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// Use direct extract instead of `regenerate` to reduse browserified size
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re.src_Any = require('uc.micro/properties/Any/regex').source;
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re.src_Cc = require('uc.micro/categories/Cc/regex').source;
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re.src_Z = require('uc.micro/categories/Z/regex').source;
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re.src_P = require('uc.micro/categories/P/regex').source;
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// \p{\Z\P\Cc\CF} (white spaces + control + format + punctuation)
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re.src_ZPCc = [ re.src_Z, re.src_P, re.src_Cc ].join('|');
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// \p{\Z\Cc} (white spaces + control)
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re.src_ZCc = [ re.src_Z, re.src_Cc ].join('|');
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// Experimental. List of chars, completely prohibited in links
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// because can separate it from other part of text
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var text_separators = '[><\uff5c]';
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// All possible word characters (everything without punctuation, spaces & controls)
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// Defined via punctuation & spaces to save space
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// Should be something like \p{\L\N\S\M} (\w but without `_`)
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re.src_pseudo_letter = '(?:(?!' + text_separators + '|' + re.src_ZPCc + ')' + re.src_Any + ')';
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// The same as abothe but without [0-9]
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// var src_pseudo_letter_non_d = '(?:(?![0-9]|' + src_ZPCc + ')' + src_Any + ')';
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////////////////////////////////////////////////////////////////////////////////
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re.src_ip4 =
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'(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)';
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// Prohibit any of "@/[]()" in user/pass to avoid wrong domain fetch.
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re.src_auth = '(?:(?:(?!' + re.src_ZCc + '|[@/\\[\\]()]).)+@)?';
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re.src_port =
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'(?::(?:6(?:[0-4]\\d{3}|5(?:[0-4]\\d{2}|5(?:[0-2]\\d|3[0-5])))|[1-5]?\\d{1,4}))?';
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re.src_host_terminator =
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'(?=$|' + text_separators + '|' + re.src_ZPCc + ')(?!-|_|:\\d|\\.-|\\.(?!$|' + re.src_ZPCc + '))';
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re.src_path =
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'(?:' +
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'[/?#]' +
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'(?:' +
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'(?!' + re.src_ZCc + '|' + text_separators + '|[()[\\]{}.,"\'?!\\-]).|' +
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'\\[(?:(?!' + re.src_ZCc + '|\\]).)*\\]|' +
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'\\((?:(?!' + re.src_ZCc + '|[)]).)*\\)|' +
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'\\{(?:(?!' + re.src_ZCc + '|[}]).)*\\}|' +
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'\\"(?:(?!' + re.src_ZCc + '|["]).)+\\"|' +
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"\\'(?:(?!" + re.src_ZCc + "|[']).)+\\'|" +
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"\\'(?=" + re.src_pseudo_letter + '|[-]).|' + // allow `I'm_king` if no pair found
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'\\.{2,4}[a-zA-Z0-9%/]|' + // github has ... in commit range links,
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// google has .... in links (issue #66)
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// Restrict to
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// - english
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// - percent-encoded
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// - parts of file path
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// until more examples found.
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'\\.(?!' + re.src_ZCc + '|[.]).|' +
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(opts && opts['---'] ?
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'\\-(?!--(?:[^-]|$))(?:-*)|' // `---` => long dash, terminate
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:
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'\\-+|'
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) +
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'\\,(?!' + re.src_ZCc + ').|' + // allow `,,,` in paths
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'\\!(?!' + re.src_ZCc + '|[!]).|' +
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'\\?(?!' + re.src_ZCc + '|[?]).' +
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')+' +
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'|\\/' +
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')?';
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// Allow anything in markdown spec, forbid quote (") at the first position
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// because emails enclosed in quotes are far more common
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re.src_email_name =
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'[\\-;:&=\\+\\$,\\.a-zA-Z0-9_][\\-;:&=\\+\\$,\\"\\.a-zA-Z0-9_]*';
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re.src_xn =
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'xn--[a-z0-9\\-]{1,59}';
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// More to read about domain names
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// http://serverfault.com/questions/638260/
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re.src_domain_root =
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// Allow letters & digits (http://test1)
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'(?:' +
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re.src_xn +
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'|' +
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re.src_pseudo_letter + '{1,63}' +
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')';
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re.src_domain =
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'(?:' +
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re.src_xn +
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'|' +
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'(?:' + re.src_pseudo_letter + ')' +
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'|' +
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'(?:' + re.src_pseudo_letter + '(?:-|' + re.src_pseudo_letter + '){0,61}' + re.src_pseudo_letter + ')' +
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')';
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re.src_host =
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'(?:' +
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// Don't need IP check, because digits are already allowed in normal domain names
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// src_ip4 +
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// '|' +
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'(?:(?:(?:' + re.src_domain + ')\\.)*' + re.src_domain/*_root*/ + ')' +
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')';
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re.tpl_host_fuzzy =
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'(?:' +
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re.src_ip4 +
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'|' +
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'(?:(?:(?:' + re.src_domain + ')\\.)+(?:%TLDS%))' +
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')';
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re.tpl_host_no_ip_fuzzy =
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'(?:(?:(?:' + re.src_domain + ')\\.)+(?:%TLDS%))';
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re.src_host_strict =
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re.src_host + re.src_host_terminator;
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re.tpl_host_fuzzy_strict =
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re.tpl_host_fuzzy + re.src_host_terminator;
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re.src_host_port_strict =
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re.src_host + re.src_port + re.src_host_terminator;
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re.tpl_host_port_fuzzy_strict =
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re.tpl_host_fuzzy + re.src_port + re.src_host_terminator;
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re.tpl_host_port_no_ip_fuzzy_strict =
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re.tpl_host_no_ip_fuzzy + re.src_port + re.src_host_terminator;
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////////////////////////////////////////////////////////////////////////////////
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// Main rules
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// Rude test fuzzy links by host, for quick deny
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re.tpl_host_fuzzy_test =
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'localhost|www\\.|\\.\\d{1,3}\\.|(?:\\.(?:%TLDS%)(?:' + re.src_ZPCc + '|>|$))';
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re.tpl_email_fuzzy =
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'(^|' + text_separators + '|"|\\(|' + re.src_ZCc + ')' +
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'(' + re.src_email_name + '@' + re.tpl_host_fuzzy_strict + ')';
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re.tpl_link_fuzzy =
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// Fuzzy link can't be prepended with .:/\- and non punctuation.
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// but can start with > (markdown blockquote)
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'(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|' + re.src_ZPCc + '))' +
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'((?![$+<=>^`|\uff5c])' + re.tpl_host_port_fuzzy_strict + re.src_path + ')';
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re.tpl_link_no_ip_fuzzy =
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// Fuzzy link can't be prepended with .:/\- and non punctuation.
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// but can start with > (markdown blockquote)
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'(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|' + re.src_ZPCc + '))' +
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'((?![$+<=>^`|\uff5c])' + re.tpl_host_port_no_ip_fuzzy_strict + re.src_path + ')';
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return re;
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};
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