source: Dev/trunk/src/client/dojox/validate/regexp.js

define(["dojo/_base/lang", "dojo/regexp", "dojox/main"], 
  function(lang, regexp, dojox){

var dxregexp = lang.getObject("validate.regexp", true, dojox);
dxregexp = dojox.validate.regexp = {
        
        ipAddress: function(flags){
                // summary:
                //              Builds a RE that matches an IP Address
                // description:
                //              Supports 5 formats for IPv4: dotted decimal, dotted hex, dotted octal, decimal and hexadecimal.
                //              Supports 2 formats for Ipv6.
                // flags: Object?
                //              All flags are boolean with default = true.
                //
                //              - flags.allowDottedDecimal  Example, 207.142.131.235.  No zero padding.
                //              - flags.allowDottedHex  Example, 0x18.0x11.0x9b.0x28.  Case insensitive.  Zero padding allowed.
                //              - flags.allowDottedOctal  Example, 0030.0021.0233.0050.  Zero padding allowed.
                //              - flags.allowDecimal  Example, 3482223595.  A decimal number between 0-4294967295.
                //              - flags.allowHex  Example, 0xCF8E83EB.  Hexadecimal number between 0x0-0xFFFFFFFF.
                //                Case insensitive.  Zero padding allowed.
                //              - flags.allowIPv6   IPv6 address written as eight groups of four hexadecimal digits.
                
                //      FIXME: ipv6 can be written multiple ways IIRC
                //              - flags.allowHybrid   IPv6 address written as six groups of four hexadecimal digits
                //              -   followed by the usual 4 dotted decimal digit notation of IPv4. x:x:x:x:x:x:d.d.d.d

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};
                if(typeof flags.allowDottedDecimal != "boolean"){ flags.allowDottedDecimal = true; }
                if(typeof flags.allowDottedHex != "boolean"){ flags.allowDottedHex = true; }
                if(typeof flags.allowDottedOctal != "boolean"){ flags.allowDottedOctal = true; }
                if(typeof flags.allowDecimal != "boolean"){ flags.allowDecimal = true; }
                if(typeof flags.allowHex != "boolean"){ flags.allowHex = true; }
                if(typeof flags.allowIPv6 != "boolean"){ flags.allowIPv6 = true; }
                if(typeof flags.allowHybrid != "boolean"){ flags.allowHybrid = true; }

                // decimal-dotted IP address RE.
                var dottedDecimalRE =
                        // Each number is between 0-255.  Zero padding is not allowed.
                        "((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])";

                // dotted hex IP address RE.  Each number is between 0x0-0xff.  Zero padding is allowed, e.g. 0x00.
                var dottedHexRE = "(0[xX]0*[\\da-fA-F]?[\\da-fA-F]\\.){3}0[xX]0*[\\da-fA-F]?[\\da-fA-F]";

                // dotted octal IP address RE.  Each number is between 0000-0377.
                // Zero padding is allowed, but each number must have at least 4 characters.
                var dottedOctalRE = "(0+[0-3][0-7][0-7]\\.){3}0+[0-3][0-7][0-7]";

                // decimal IP address RE.  A decimal number between 0-4294967295.
                var decimalRE =  "(0|[1-9]\\d{0,8}|[1-3]\\d{9}|4[01]\\d{8}|42[0-8]\\d{7}|429[0-3]\\d{6}|" +
                        "4294[0-8]\\d{5}|42949[0-5]\\d{4}|429496[0-6]\\d{3}|4294967[01]\\d{2}|42949672[0-8]\\d|429496729[0-5])";

                // hexadecimal IP address RE.
                // A hexadecimal number between 0x0-0xFFFFFFFF. Case insensitive.  Zero padding is allowed.
                var hexRE = "0[xX]0*[\\da-fA-F]{1,8}";

                // IPv6 address RE.
                // The format is written as eight groups of four hexadecimal digits, x:x:x:x:x:x:x:x,
                // where x is between 0000-ffff. Zero padding is optional. Case insensitive.
                var ipv6RE = "([\\da-fA-F]{1,4}\\:){7}[\\da-fA-F]{1,4}";

                // IPv6/IPv4 Hybrid address RE.
                // The format is written as six groups of four hexadecimal digits,
                // followed by the 4 dotted decimal IPv4 format. x:x:x:x:x:x:d.d.d.d
                var hybridRE = "([\\da-fA-F]{1,4}\\:){6}" +
                        "((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])";

                // Build IP Address RE
                var a = [];
                if(flags.allowDottedDecimal){ a.push(dottedDecimalRE); }
                if(flags.allowDottedHex){ a.push(dottedHexRE); }
                if(flags.allowDottedOctal){ a.push(dottedOctalRE); }
                if(flags.allowDecimal){ a.push(decimalRE); }
                if(flags.allowHex){ a.push(hexRE); }
                if(flags.allowIPv6){ a.push(ipv6RE); }
                if(flags.allowHybrid){ a.push(hybridRE); }

                var ipAddressRE = "";
                if(a.length > 0){
                        ipAddressRE = "(" + a.join("|") + ")";
                }
                return ipAddressRE; // String
        },

        host: function(flags){
                // summary:
                //              Builds a RE that matches a host
                // description:
                //              A host is a named host (A-z0-9_- but not starting with -), a domain name or an IP address, possibly followed by a port number.
                // flags: Object?
                //              - flags.allowNamed Allow a named host for local networks. Default is false.
                //              - flags.allowIP  Allow an IP address for hostname.  Default is true.
                //              - flags.allowLocal  Allow the host to be "localhost".  Default is false.
                //              - flags.allowPort  Allow a port number to be present.  Default is true.
                //              - flags in regexp.ipAddress can be applied.

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};

                if(typeof flags.allowIP != "boolean"){ flags.allowIP = true; }
                if(typeof flags.allowLocal != "boolean"){ flags.allowLocal = false; }
                if(typeof flags.allowPort != "boolean"){ flags.allowPort = true; }
                if(typeof flags.allowNamed != "boolean"){ flags.allowNamed = false; }

                //TODO: support unicode hostnames?
                // Domain name labels can not end with a dash.
                var domainLabelRE = "(?:[\\da-zA-Z](?:[-\\da-zA-Z]{0,61}[\\da-zA-Z])?)";
                var domainNameRE = "(?:[a-zA-Z](?:[-\\da-zA-Z]{0,6}[\\da-zA-Z])?)"; // restricted version to allow backwards compatibility with allowLocal, allowIP

                // port number RE
                var portRE = flags.allowPort ? "(\\:\\d+)?" : "";

                // build host RE
                var hostNameRE = "((?:" + domainLabelRE + "\\.)+" + domainNameRE + "\\.?)";
                if(flags.allowIP){ hostNameRE += "|" +  dxregexp.ipAddress(flags); }
                if(flags.allowLocal){ hostNameRE += "|localhost"; }
                if(flags.allowNamed){ hostNameRE += "|^[^-][a-zA-Z0-9_-]*"; }
                return "(" + hostNameRE + ")" + portRE; // String

        },

        url: function(flags){
                // summary:
                //              Builds a regular expression that matches a URL
                // flags: Object?
                //              - flags.scheme  Can be true, false, or [true, false].
                //              -   This means: required, not allowed, or match either one.
                //              - flags in regexp.host can be applied.
                //              - flags in regexp.ipAddress can be applied.

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};
                if(!("scheme" in flags)){ flags.scheme = [true, false]; }

                // Scheme RE
                var protocolRE = regexp.buildGroupRE(flags.scheme,
                        function(q){ if(q){ return "(https?|ftps?)\\://"; } return ""; }
                );

                // Path and query and anchor RE
                var pathRE = "(/(?:[^?#\\s/]+/)*(?:[^?#\\s/]+(?:\\?[^?#\\s/]*)?(?:#[A-Za-z][\\w.:-]*)?)?)?";

                return protocolRE + dxregexp.host(flags) + pathRE;
        },

        emailAddress: function(flags){
                // summary:
                //              Builds a regular expression that matches an email address
                // flags: Object?
                //              - flags.allowCruft  Allow address like `<mailto:foo@yahoo.com>`.  Default is false.
                //              - flags in regexp.host can be applied.
                //              - flags in regexp.ipAddress can be applied.

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};
                if (typeof flags.allowCruft != "boolean") { flags.allowCruft = false; }
                flags.allowPort = false; // invalid in email addresses

                // user name RE per rfc5322
                var usernameRE = "([!#-'*+\\-\\/-9=?A-Z^-~]+[.])*[!#-'*+\\-\\/-9=?A-Z^-~]+";

                // build emailAddress RE
                var emailAddressRE = usernameRE + "@" + dxregexp.host(flags);

                // Allow email addresses with cruft
                if ( flags.allowCruft ) {
                        emailAddressRE = "<?(mailto\\:)?" + emailAddressRE + ">?";
                }

                return emailAddressRE; // String
        },

        emailAddressList: function(flags){
                // summary:
                //              Builds a regular expression that matches a list of email addresses.
                // flags: Object?
                //              - flags.listSeparator  The character used to separate email addresses.  Default is ";", ",", "\n" or " ".
                //              - flags in regexp.emailAddress can be applied.
                //              - flags in regexp.host can be applied.
                //              - flags in regexp.ipAddress can be applied.

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};
                if(typeof flags.listSeparator != "string"){ flags.listSeparator = "\\s;,"; }

                // build a RE for an Email Address List
                var emailAddressRE = dxregexp.emailAddress(flags);
                var emailAddressListRE = "(" + emailAddressRE + "\\s*[" + flags.listSeparator + "]\\s*)*" +
                        emailAddressRE + "\\s*[" + flags.listSeparator + "]?\\s*";

                return emailAddressListRE; // String
        },
        
        numberFormat: function(flags){
                // summary:
                //              Builds a regular expression to match any sort of number based format
                // description:
                //              Use this method for phone numbers, social security numbers, zip-codes, etc.
                //              The RE can match one format or one of multiple formats.
                //
                //              Format:
                //
                //              - #        Stands for a digit, 0-9.
                //              - ?        Stands for an optional digit, 0-9 or nothing.
                //              - All other characters must appear literally in the expression.
                //
                // example:
                //              - "(###) ###-####"              -    ->   (510) 542-9742
                //              - "(###) ###-#### x#???" ->   (510) 542-9742 x153
                //              - "###-##-####"         -               -   ->   506-82-1089            -    i.e. social security number
                //              - "#####-####"          -               -    ->   98225-1649            -               - i.e. zip code
                //
                // flags:  Object?
                //              - flags.format  A string or an Array of strings for multiple formats.

                // assign default values to missing paramters
                flags = (typeof flags == "object") ? flags : {};
                if(typeof flags.format == "undefined"){ flags.format = "###-###-####"; }

                // Converts a number format to RE.
                var digitRE = function(format){
                        // escape all special characters, except '?'
                        return regexp.escapeString(format, "?")
                                // Now replace '?' with Regular Expression
                                .replace(/\?/g, "\\d?")
                                // replace # with Regular Expression
                                .replace(/#/g, "\\d")
                        ;
                };

                // build RE for multiple number formats
                return regexp.buildGroupRE(flags.format, digitRE); //String
        },
        
        ca: {

                postalCode: function(){
                        // summary:
                        //              String regular Express to match Canadain Postal Codes
                        return "([A-Z][0-9][A-Z] [0-9][A-Z][0-9])";
                },

                province: function(){
                        // summary:
                        //              a regular expression to match Canadian Province Abbreviations
                        return "(AB|BC|MB|NB|NL|NS|NT|NU|ON|PE|QC|SK|YT)";
                }

        },
        
        us:{
                state: function(flags){
                        // summary:
                        //              A regular expression to match US state and territory abbreviations
                        // flags: Object?
                        //              - flags.allowTerritories  Allow Guam, Puerto Rico, etc.  Default is true.
                        //              - flags.allowMilitary  Allow military 'states', e.g. Armed Forces Europe (AE).  Default is true.

                        // assign default values to missing parameters
                        flags = (typeof flags == "object") ? flags : {};
                        if(typeof flags.allowTerritories != "boolean"){ flags.allowTerritories = true; }
                        if(typeof flags.allowMilitary != "boolean"){ flags.allowMilitary = true; }

                        // state RE
                        var statesRE =
                                "AL|AK|AZ|AR|CA|CO|CT|DE|DC|FL|GA|HI|ID|IL|IN|IA|KS|KY|LA|ME|MD|MA|MI|MN|MS|MO|MT|" +
                                "NE|NV|NH|NJ|NM|NY|NC|ND|OH|OK|OR|PA|RI|SC|SD|TN|TX|UT|VT|VA|WA|WV|WI|WY";

                        // territories RE
                        var territoriesRE = "AS|FM|GU|MH|MP|PW|PR|VI";

                        // military states RE
                        var militaryRE = "AA|AE|AP";

                        // Build states and territories RE
                        if(flags.allowTerritories){ statesRE += "|" + territoriesRE; }
                        if(flags.allowMilitary){ statesRE += "|" + militaryRE; }

                        return "(" + statesRE + ")"; // String
                }

        }
        
};

return dxregexp;

});