Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/magic_xml.rb

Instance Method Summary collapse

Instance Method Details

#xml_attr_escape ⇒ Object

Escape characters for output as XML attribute values (< > & ‘ “)



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# File 'lib/magic_xml.rb', line 46

def xml_attr_escape
    replacements = {"<" => "&lt;", ">" => "&gt;", "&" => "&amp;", "\"" => "&quot;", "'" => "&apos;"}
    gsub(/([<>&\'\"])/) { replacements[$1] }
end

#xml_escape ⇒ Object

Escape string for output as XML text (< > &)



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# File 'lib/magic_xml.rb', line 41

def xml_escape
    replacements = {"<" => "&lt;", ">" => "&gt;", "&" => "&amp;" }
    gsub(/([<>&])/) { replacements[$1] }
end

#xml_parse ⇒ Object 



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# File 'lib/magic_xml.rb', line 334

def xml_parse
    XML.parse(self)
end

#xml_unescape(extra_entities = nil) ⇒ Object

Unescape entities Supports:

  • Full set of HTML-compatible named entities

  • Decimal entities &#1234;

  • Hex entities &#xA0b1;



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# File 'lib/magic_xml.rb', line 55

def xml_unescape(extra_entities=nil)
    @@xhtml_entity_replacements ||= {
        '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,
        'quot' => 34,
        'apos' => 39, # Wasn't present in the HTML entities set, but is defined in XML standard
        'amp' => 38,
        'lt' => 60,
        'gt' => 62,
        '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,
        '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,
    }
    gsub(/&(?:([a-zA-Z]+)|#([0-9]+)|#x([a-fA-F0-9]+));/) {
        if $1 then
            v = @@xhtml_entity_replacements[$1]
            # Nonstandard entity
            unless v
                if extra_entities.is_a? Proc
                    v = extra_entities.call($1)
                # Well, we expect a Hash here, but any container will do.
                # As long as it's not a nil.
                elsif extra_entities
                    v = extra_entities[$1]
                end
            end
            raise "Unknown escape #{$1}" unless v
        elsif $2
            v = $2.to_i
        else
            v = $3.hex
        end
        # v can be a String or an Integer
        if v.is_a? String then v else [v].pack('U') end
    }
end