| ;(function (sax) { // wrapper for non-node envs |
| sax.parser = function (strict, opt) { return new SAXParser(strict, opt) } |
| sax.SAXParser = SAXParser |
| |
| // When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns. |
| // When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)), |
| // since that's the earliest that a buffer overrun could occur. This way, checks are |
| // as rare as required, but as often as necessary to ensure never crossing this bound. |
| // Furthermore, buffers are only tested at most once per write(), so passing a very |
| // large string into write() might have undesirable effects, but this is manageable by |
| // the caller, so it is assumed to be safe. Thus, a call to write() may, in the extreme |
| // edge case, result in creating at most one complete copy of the string passed in. |
| // Set to Infinity to have unlimited buffers. |
| sax.MAX_BUFFER_LENGTH = 64 * 1024 |
| |
| var buffers = [ |
| 'comment', 'sgmlDecl', 'textNode', 'tagName', 'doctype', |
| 'procInstName', 'procInstBody', 'entity', 'attribName', |
| 'attribValue', 'cdata', 'script' |
| ] |
| |
| sax.EVENTS = [ |
| 'text', |
| 'processinginstruction', |
| 'sgmldeclaration', |
| 'doctype', |
| 'comment', |
| 'opentagstart', |
| 'attribute', |
| 'opentag', |
| 'closetag', |
| 'opencdata', |
| 'cdata', |
| 'closecdata', |
| 'error', |
| 'end', |
| 'ready', |
| 'script', |
| 'opennamespace', |
| 'closenamespace' |
| ] |
| |
| function SAXParser (strict, opt) { |
| if (!(this instanceof SAXParser)) { |
| return new SAXParser(strict, opt) |
| } |
| |
| var parser = this |
| clearBuffers(parser) |
| parser.q = parser.c = '' |
| parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH |
| parser.opt = opt || {} |
| parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags |
| parser.looseCase = parser.opt.lowercase ? 'toLowerCase' : 'toUpperCase' |
| parser.tags = [] |
| parser.closed = parser.closedRoot = parser.sawRoot = false |
| parser.tag = parser.error = null |
| parser.strict = !!strict |
| parser.noscript = !!(strict || parser.opt.noscript) |
| parser.state = S.BEGIN |
| parser.strictEntities = parser.opt.strictEntities |
| parser.ENTITIES = parser.strictEntities ? Object.create(sax.XML_ENTITIES) : Object.create(sax.ENTITIES) |
| parser.attribList = [] |
| |
| // namespaces form a prototype chain. |
| // it always points at the current tag, |
| // which protos to its parent tag. |
| if (parser.opt.xmlns) { |
| parser.ns = Object.create(rootNS) |
| } |
| |
| // mostly just for error reporting |
| parser.trackPosition = parser.opt.position !== false |
| if (parser.trackPosition) { |
| parser.position = parser.line = parser.column = 0 |
| } |
| emit(parser, 'onready') |
| } |
| |
| if (!Object.create) { |
| Object.create = function (o) { |
| function F () {} |
| F.prototype = o |
| var newf = new F() |
| return newf |
| } |
| } |
| |
| if (!Object.keys) { |
| Object.keys = function (o) { |
| var a = [] |
| for (var i in o) if (o.hasOwnProperty(i)) a.push(i) |
| return a |
| } |
| } |
| |
| function checkBufferLength (parser) { |
| var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10) |
| var maxActual = 0 |
| for (var i = 0, l = buffers.length; i < l; i++) { |
| var len = parser[buffers[i]].length |
| if (len > maxAllowed) { |
| // Text/cdata nodes can get big, and since they're buffered, |
| // we can get here under normal conditions. |
| // Avoid issues by emitting the text node now, |
| // so at least it won't get any bigger. |
| switch (buffers[i]) { |
| case 'textNode': |
| closeText(parser) |
| break |
| |
| case 'cdata': |
| emitNode(parser, 'oncdata', parser.cdata) |
| parser.cdata = '' |
| break |
| |
| case 'script': |
| emitNode(parser, 'onscript', parser.script) |
| parser.script = '' |
| break |
| |
| default: |
| error(parser, 'Max buffer length exceeded: ' + buffers[i]) |
| } |
| } |
| maxActual = Math.max(maxActual, len) |
| } |
| // schedule the next check for the earliest possible buffer overrun. |
| var m = sax.MAX_BUFFER_LENGTH - maxActual |
| parser.bufferCheckPosition = m + parser.position |
| } |
| |
| function clearBuffers (parser) { |
| for (var i = 0, l = buffers.length; i < l; i++) { |
| parser[buffers[i]] = '' |
| } |
| } |
| |
| function flushBuffers (parser) { |
| closeText(parser) |
| if (parser.cdata !== '') { |
| emitNode(parser, 'oncdata', parser.cdata) |
| parser.cdata = '' |
| } |
| if (parser.script !== '') { |
| emitNode(parser, 'onscript', parser.script) |
| parser.script = '' |
| } |
| } |
| |
| SAXParser.prototype = { |
| end: function () { end(this) }, |
| write: write, |
| resume: function () { this.error = null; return this }, |
| close: function () { return this.write(null) }, |
| flush: function () { flushBuffers(this) } |
| } |
| |
| // this really needs to be replaced with character classes. |
| // XML allows all manner of ridiculous numbers and digits. |
| var CDATA = '[CDATA[' |
| var DOCTYPE = 'DOCTYPE' |
| var XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace' |
| var XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/' |
| var rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE } |
| |
| // http://www.w3.org/TR/REC-xml/#NT-NameStartChar |
| // This implementation works on strings, a single character at a time |
| // as such, it cannot ever support astral-plane characters (10000-EFFFF) |
| // without a significant breaking change to either this parser, or the |
| // JavaScript language. Implementation of an emoji-capable xml parser |
| // is left as an exercise for the reader. |
| var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/ |
| |
| var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/ |
| |
| var entityStart = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/ |
| var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/ |
| |
| function isWhitespace (c) { |
| return c === ' ' || c === '\n' || c === '\r' || c === '\t' |
| } |
| |
| function isQuote (c) { |
| return c === '"' || c === '\'' |
| } |
| |
| function isAttribEnd (c) { |
| return c === '>' || isWhitespace(c) |
| } |
| |
| function isMatch (regex, c) { |
| return regex.test(c) |
| } |
| |
| function notMatch (regex, c) { |
| return !isMatch(regex, c) |
| } |
| |
| var S = 0 |
| sax.STATE = { |
| BEGIN: S++, // leading byte order mark or whitespace |
| BEGIN_WHITESPACE: S++, // leading whitespace |
| TEXT: S++, // general stuff |
| TEXT_ENTITY: S++, // & and such. |
| OPEN_WAKA: S++, // < |
| SGML_DECL: S++, // <!BLARG |
| SGML_DECL_QUOTED: S++, // <!BLARG foo "bar |
| DOCTYPE: S++, // <!DOCTYPE |
| DOCTYPE_QUOTED: S++, // <!DOCTYPE "//blah |
| DOCTYPE_DTD: S++, // <!DOCTYPE "//blah" [ ... |
| DOCTYPE_DTD_QUOTED: S++, // <!DOCTYPE "//blah" [ "foo |
| COMMENT_STARTING: S++, // <!- |
| COMMENT: S++, // <!-- |
| COMMENT_ENDING: S++, // <!-- blah - |
| COMMENT_ENDED: S++, // <!-- blah -- |
| CDATA: S++, // <![CDATA[ something |
| CDATA_ENDING: S++, // ] |
| CDATA_ENDING_2: S++, // ]] |
| PROC_INST: S++, // <?hi |
| PROC_INST_BODY: S++, // <?hi there |
| PROC_INST_ENDING: S++, // <?hi "there" ? |
| OPEN_TAG: S++, // <strong |
| OPEN_TAG_SLASH: S++, // <strong / |
| ATTRIB: S++, // <a |
| ATTRIB_NAME: S++, // <a foo |
| ATTRIB_NAME_SAW_WHITE: S++, // <a foo _ |
| ATTRIB_VALUE: S++, // <a foo= |
| ATTRIB_VALUE_QUOTED: S++, // <a foo="bar |
| ATTRIB_VALUE_CLOSED: S++, // <a foo="bar" |
| ATTRIB_VALUE_UNQUOTED: S++, // <a foo=bar |
| ATTRIB_VALUE_ENTITY_Q: S++, // <foo bar=""" |
| ATTRIB_VALUE_ENTITY_U: S++, // <foo bar=" |
| CLOSE_TAG: S++, // </a |
| CLOSE_TAG_SAW_WHITE: S++, // </a > |
| SCRIPT: S++, // <script> ... |
| SCRIPT_ENDING: S++ // <script> ... < |
| } |
| |
| sax.XML_ENTITIES = { |
| 'amp': '&', |
| 'gt': '>', |
| 'lt': '<', |
| 'quot': '"', |
| 'apos': "'" |
| } |
| |
| sax.ENTITIES = { |
| 'amp': '&', |
| 'gt': '>', |
| 'lt': '<', |
| 'quot': '"', |
| 'apos': "'", |
| 'AElig': 198, |
| 'Aacute': 193, |
| 'Acirc': 194, |
| 'Agrave': 192, |
| 'Aring': 197, |
| 'Atilde': 195, |
| 'Auml': 196, |
| 'Ccedil': 199, |
| 'ETH': 208, |
| 'Eacute': 201, |
| 'Ecirc': 202, |
| 'Egrave': 200, |
| 'Euml': 203, |
| 'Iacute': 205, |
| 'Icirc': 206, |
| 'Igrave': 204, |
| 'Iuml': 207, |
| 'Ntilde': 209, |
| 'Oacute': 211, |
| 'Ocirc': 212, |
| 'Ograve': 210, |
| 'Oslash': 216, |
| 'Otilde': 213, |
| 'Ouml': 214, |
| 'THORN': 222, |
| 'Uacute': 218, |
| 'Ucirc': 219, |
| 'Ugrave': 217, |
| 'Uuml': 220, |
| 'Yacute': 221, |
| 'aacute': 225, |
| 'acirc': 226, |
| 'aelig': 230, |
| 'agrave': 224, |
| 'aring': 229, |
| 'atilde': 227, |
| 'auml': 228, |
| 'ccedil': 231, |
| 'eacute': 233, |
| 'ecirc': 234, |
| 'egrave': 232, |
| 'eth': 240, |
| 'euml': 235, |
| 'iacute': 237, |
| 'icirc': 238, |
| 'igrave': 236, |
| 'iuml': 239, |
| 'ntilde': 241, |
| 'oacute': 243, |
| 'ocirc': 244, |
| 'ograve': 242, |
| 'oslash': 248, |
| 'otilde': 245, |
| 'ouml': 246, |
| 'szlig': 223, |
| 'thorn': 254, |
| 'uacute': 250, |
| 'ucirc': 251, |
| 'ugrave': 249, |
| 'uuml': 252, |
| 'yacute': 253, |
| 'yuml': 255, |
| 'copy': 169, |
| 'reg': 174, |
| 'nbsp': 160, |
| 'iexcl': 161, |
| 'cent': 162, |
| 'pound': 163, |
| 'curren': 164, |
| 'yen': 165, |
| 'brvbar': 166, |
| 'sect': 167, |
| 'uml': 168, |
| 'ordf': 170, |
| 'laquo': 171, |
| 'not': 172, |
| 'shy': 173, |
| 'macr': 175, |
| 'deg': 176, |
| 'plusmn': 177, |
| 'sup1': 185, |
| 'sup2': 178, |
| 'sup3': 179, |
| 'acute': 180, |
| 'micro': 181, |
| 'para': 182, |
| 'middot': 183, |
| 'cedil': 184, |
| 'ordm': 186, |
| 'raquo': 187, |
| 'frac14': 188, |
| 'frac12': 189, |
| 'frac34': 190, |
| 'iquest': 191, |
| 'times': 215, |
| 'divide': 247, |
| 'OElig': 338, |
| 'oelig': 339, |
| 'Scaron': 352, |
| 'scaron': 353, |
| 'Yuml': 376, |
| 'fnof': 402, |
| 'circ': 710, |
| 'tilde': 732, |
| '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, |
| '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, |
| 'bull': 8226, |
| 'hellip': 8230, |
| 'permil': 8240, |
| 'prime': 8242, |
| 'Prime': 8243, |
| 'lsaquo': 8249, |
| 'rsaquo': 8250, |
| 'oline': 8254, |
| 'frasl': 8260, |
| 'euro': 8364, |
| 'image': 8465, |
| 'weierp': 8472, |
| '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 |
| } |
| |
| Object.keys(sax.ENTITIES).forEach(function (key) { |
| var e = sax.ENTITIES[key] |
| var s = typeof e === 'number' ? String.fromCharCode(e) : e |
| sax.ENTITIES[key] = s |
| }) |
| |
| for (var s in sax.STATE) { |
| sax.STATE[sax.STATE[s]] = s |
| } |
| |
| // shorthand |
| S = sax.STATE |
| |
| function emit (parser, event, data) { |
| parser[event] && parser[event](data) |
| } |
| |
| function emitNode (parser, nodeType, data) { |
| if (parser.textNode) closeText(parser) |
| emit(parser, nodeType, data) |
| } |
| |
| function closeText (parser) { |
| parser.textNode = textopts(parser.opt, parser.textNode) |
| if (parser.textNode) emit(parser, 'ontext', parser.textNode) |
| parser.textNode = '' |
| } |
| |
| function textopts (opt, text) { |
| if (opt.trim) text = text.trim() |
| if (opt.normalize) text = text.replace(/\s+/g, ' ') |
| return text |
| } |
| |
| function error (parser, reason) { |
| closeText(parser) |
| const message = reason + |
| '\nLine: ' + parser.line + |
| '\nColumn: ' + parser.column + |
| '\nChar: ' + parser.c |
| const error = new Error(message) |
| error.reason = reason |
| error.line = parser.line |
| error.column = parser.column |
| parser.error = error |
| emit(parser, 'onerror', error) |
| return parser |
| } |
| |
| function end (parser) { |
| if (parser.sawRoot && !parser.closedRoot) strictFail(parser, 'Unclosed root tag') |
| if ((parser.state !== S.BEGIN) && |
| (parser.state !== S.BEGIN_WHITESPACE) && |
| (parser.state !== S.TEXT)) { |
| error(parser, 'Unexpected end') |
| } |
| closeText(parser) |
| parser.c = '' |
| parser.closed = true |
| emit(parser, 'onend') |
| SAXParser.call(parser, parser.strict, parser.opt) |
| return parser |
| } |
| |
| function strictFail (parser, message) { |
| if (typeof parser !== 'object' || !(parser instanceof SAXParser)) { |
| throw new Error('bad call to strictFail') |
| } |
| if (parser.strict) { |
| error(parser, message) |
| } |
| } |
| |
| function newTag (parser) { |
| if (!parser.strict) parser.tagName = parser.tagName[parser.looseCase]() |
| var parent = parser.tags[parser.tags.length - 1] || parser |
| var tag = parser.tag = { name: parser.tagName, attributes: {} } |
| |
| // will be overridden if tag contails an xmlns="foo" or xmlns:foo="bar" |
| if (parser.opt.xmlns) { |
| tag.ns = parent.ns |
| } |
| parser.attribList.length = 0 |
| emitNode(parser, 'onopentagstart', tag) |
| } |
| |
| function qname (name, attribute) { |
| var i = name.indexOf(':') |
| var qualName = i < 0 ? [ '', name ] : name.split(':') |
| var prefix = qualName[0] |
| var local = qualName[1] |
| |
| // <x "xmlns"="http://foo"> |
| if (attribute && name === 'xmlns') { |
| prefix = 'xmlns' |
| local = '' |
| } |
| |
| return { prefix: prefix, local: local } |
| } |
| |
| function attrib (parser) { |
| if (!parser.strict) { |
| parser.attribName = parser.attribName[parser.looseCase]() |
| } |
| |
| if (parser.attribList.indexOf(parser.attribName) !== -1 || |
| parser.tag.attributes.hasOwnProperty(parser.attribName)) { |
| parser.attribName = parser.attribValue = '' |
| return |
| } |
| |
| if (parser.opt.xmlns) { |
| var qn = qname(parser.attribName, true) |
| var prefix = qn.prefix |
| var local = qn.local |
| |
| if (prefix === 'xmlns') { |
| // namespace binding attribute. push the binding into scope |
| if (local === 'xml' && parser.attribValue !== XML_NAMESPACE) { |
| strictFail(parser, |
| 'xml: prefix must be bound to ' + XML_NAMESPACE + '\n' + |
| 'Actual: ' + parser.attribValue) |
| } else if (local === 'xmlns' && parser.attribValue !== XMLNS_NAMESPACE) { |
| strictFail(parser, |
| 'xmlns: prefix must be bound to ' + XMLNS_NAMESPACE + '\n' + |
| 'Actual: ' + parser.attribValue) |
| } else { |
| var tag = parser.tag |
| var parent = parser.tags[parser.tags.length - 1] || parser |
| if (tag.ns === parent.ns) { |
| tag.ns = Object.create(parent.ns) |
| } |
| tag.ns[local] = parser.attribValue |
| } |
| } |
| |
| // defer onattribute events until all attributes have been seen |
| // so any new bindings can take effect. preserve attribute order |
| // so deferred events can be emitted in document order |
| parser.attribList.push([parser.attribName, parser.attribValue]) |
| } else { |
| // in non-xmlns mode, we can emit the event right away |
| parser.tag.attributes[parser.attribName] = parser.attribValue |
| emitNode(parser, 'onattribute', { |
| name: parser.attribName, |
| value: parser.attribValue |
| }) |
| } |
| |
| parser.attribName = parser.attribValue = '' |
| } |
| |
| function openTag (parser, selfClosing) { |
| if (parser.opt.xmlns) { |
| // emit namespace binding events |
| var tag = parser.tag |
| |
| // add namespace info to tag |
| var qn = qname(parser.tagName) |
| tag.prefix = qn.prefix |
| tag.local = qn.local |
| tag.uri = tag.ns[qn.prefix] || '' |
| |
| if (tag.prefix && !tag.uri) { |
| strictFail(parser, 'Unbound namespace prefix: ' + |
| JSON.stringify(parser.tagName)) |
| tag.uri = qn.prefix |
| } |
| |
| var parent = parser.tags[parser.tags.length - 1] || parser |
| if (tag.ns && parent.ns !== tag.ns) { |
| Object.keys(tag.ns).forEach(function (p) { |
| emitNode(parser, 'onopennamespace', { |
| prefix: p, |
| uri: tag.ns[p] |
| }) |
| }) |
| } |
| |
| // handle deferred onattribute events |
| // Note: do not apply default ns to attributes: |
| // http://www.w3.org/TR/REC-xml-names/#defaulting |
| for (var i = 0, l = parser.attribList.length; i < l; i++) { |
| var nv = parser.attribList[i] |
| var name = nv[0] |
| var value = nv[1] |
| var qualName = qname(name, true) |
| var prefix = qualName.prefix |
| var local = qualName.local |
| var uri = prefix === '' ? '' : (tag.ns[prefix] || '') |
| var a = { |
| name: name, |
| value: value, |
| prefix: prefix, |
| local: local, |
| uri: uri |
| } |
| |
| // if there's any attributes with an undefined namespace, |
| // then fail on them now. |
| if (prefix && prefix !== 'xmlns' && !uri) { |
| strictFail(parser, 'Unbound namespace prefix: ' + |
| JSON.stringify(prefix)) |
| a.uri = prefix |
| } |
| parser.tag.attributes[name] = a |
| emitNode(parser, 'onattribute', a) |
| } |
| parser.attribList.length = 0 |
| } |
| |
| parser.tag.isSelfClosing = !!selfClosing |
| |
| // process the tag |
| parser.sawRoot = true |
| parser.tags.push(parser.tag) |
| emitNode(parser, 'onopentag', parser.tag) |
| if (!selfClosing) { |
| // special case for <script> in non-strict mode. |
| if (!parser.noscript && parser.tagName.toLowerCase() === 'script') { |
| parser.state = S.SCRIPT |
| } else { |
| parser.state = S.TEXT |
| } |
| parser.tag = null |
| parser.tagName = '' |
| } |
| parser.attribName = parser.attribValue = '' |
| parser.attribList.length = 0 |
| } |
| |
| function closeTag (parser) { |
| if (!parser.tagName) { |
| strictFail(parser, 'Weird empty close tag.') |
| parser.textNode += '</>' |
| parser.state = S.TEXT |
| return |
| } |
| |
| if (parser.script) { |
| if (parser.tagName !== 'script') { |
| parser.script += '</' + parser.tagName + '>' |
| parser.tagName = '' |
| parser.state = S.SCRIPT |
| return |
| } |
| emitNode(parser, 'onscript', parser.script) |
| parser.script = '' |
| } |
| |
| // first make sure that the closing tag actually exists. |
| // <a><b></c></b></a> will close everything, otherwise. |
| var t = parser.tags.length |
| var tagName = parser.tagName |
| if (!parser.strict) { |
| tagName = tagName[parser.looseCase]() |
| } |
| var closeTo = tagName |
| while (t--) { |
| var close = parser.tags[t] |
| if (close.name !== closeTo) { |
| // fail the first time in strict mode |
| strictFail(parser, 'Unexpected close tag') |
| } else { |
| break |
| } |
| } |
| |
| // didn't find it. we already failed for strict, so just abort. |
| if (t < 0) { |
| strictFail(parser, 'Unmatched closing tag: ' + parser.tagName) |
| parser.textNode += '</' + parser.tagName + '>' |
| parser.state = S.TEXT |
| return |
| } |
| parser.tagName = tagName |
| var s = parser.tags.length |
| while (s-- > t) { |
| var tag = parser.tag = parser.tags.pop() |
| parser.tagName = parser.tag.name |
| emitNode(parser, 'onclosetag', parser.tagName) |
| |
| var x = {} |
| for (var i in tag.ns) { |
| x[i] = tag.ns[i] |
| } |
| |
| var parent = parser.tags[parser.tags.length - 1] || parser |
| if (parser.opt.xmlns && tag.ns !== parent.ns) { |
| // remove namespace bindings introduced by tag |
| Object.keys(tag.ns).forEach(function (p) { |
| var n = tag.ns[p] |
| emitNode(parser, 'onclosenamespace', { prefix: p, uri: n }) |
| }) |
| } |
| } |
| if (t === 0) parser.closedRoot = true |
| parser.tagName = parser.attribValue = parser.attribName = '' |
| parser.attribList.length = 0 |
| parser.state = S.TEXT |
| } |
| |
| function parseEntity (parser) { |
| var entity = parser.entity |
| var entityLC = entity.toLowerCase() |
| var num |
| var numStr = '' |
| |
| if (parser.ENTITIES[entity]) { |
| return parser.ENTITIES[entity] |
| } |
| if (parser.ENTITIES[entityLC]) { |
| return parser.ENTITIES[entityLC] |
| } |
| entity = entityLC |
| if (entity.charAt(0) === '#') { |
| if (entity.charAt(1) === 'x') { |
| entity = entity.slice(2) |
| num = parseInt(entity, 16) |
| numStr = num.toString(16) |
| } else { |
| entity = entity.slice(1) |
| num = parseInt(entity, 10) |
| numStr = num.toString(10) |
| } |
| } |
| entity = entity.replace(/^0+/, '') |
| if (isNaN(num) || numStr.toLowerCase() !== entity) { |
| strictFail(parser, 'Invalid character entity') |
| return '&' + parser.entity + ';' |
| } |
| |
| return String.fromCodePoint(num) |
| } |
| |
| function beginWhiteSpace (parser, c) { |
| if (c === '<') { |
| parser.state = S.OPEN_WAKA |
| parser.startTagPosition = parser.position |
| } else if (!isWhitespace(c)) { |
| // have to process this as a text node. |
| // weird, but happens. |
| strictFail(parser, 'Non-whitespace before first tag.') |
| parser.textNode = c |
| parser.state = S.TEXT |
| } |
| } |
| |
| function charAt (chunk, i) { |
| var result = '' |
| if (i < chunk.length) { |
| result = chunk.charAt(i) |
| } |
| return result |
| } |
| |
| function write (chunk) { |
| var parser = this |
| if (this.error) { |
| throw this.error |
| } |
| if (parser.closed) { |
| return error(parser, |
| 'Cannot write after close. Assign an onready handler.') |
| } |
| if (chunk === null) { |
| return end(parser) |
| } |
| if (typeof chunk === 'object') { |
| chunk = chunk.toString() |
| } |
| var i = 0 |
| var c = '' |
| while (true) { |
| c = charAt(chunk, i++) |
| parser.c = c |
| |
| if (!c) { |
| break |
| } |
| |
| if (parser.trackPosition) { |
| parser.position++ |
| if (c === '\n') { |
| parser.line++ |
| parser.column = 0 |
| } else { |
| parser.column++ |
| } |
| } |
| |
| switch (parser.state) { |
| case S.BEGIN: |
| parser.state = S.BEGIN_WHITESPACE |
| if (c === '\uFEFF') { |
| continue |
| } |
| beginWhiteSpace(parser, c) |
| continue |
| |
| case S.BEGIN_WHITESPACE: |
| beginWhiteSpace(parser, c) |
| continue |
| |
| case S.TEXT: |
| if (parser.sawRoot && !parser.closedRoot) { |
| var starti = i - 1 |
| while (c && c !== '<' && c !== '&') { |
| c = charAt(chunk, i++) |
| if (c && parser.trackPosition) { |
| parser.position++ |
| if (c === '\n') { |
| parser.line++ |
| parser.column = 0 |
| } else { |
| parser.column++ |
| } |
| } |
| } |
| parser.textNode += chunk.substring(starti, i - 1) |
| } |
| if (c === '<' && !(parser.sawRoot && parser.closedRoot && !parser.strict)) { |
| parser.state = S.OPEN_WAKA |
| parser.startTagPosition = parser.position |
| } else { |
| if (!isWhitespace(c) && (!parser.sawRoot || parser.closedRoot)) { |
| strictFail(parser, 'Text data outside of root node.') |
| } |
| if (c === '&') { |
| parser.state = S.TEXT_ENTITY |
| } else { |
| parser.textNode += c |
| } |
| } |
| continue |
| |
| case S.SCRIPT: |
| // only non-strict |
| if (c === '<') { |
| parser.state = S.SCRIPT_ENDING |
| } else { |
| parser.script += c |
| } |
| continue |
| |
| case S.SCRIPT_ENDING: |
| if (c === '/') { |
| parser.state = S.CLOSE_TAG |
| } else { |
| parser.script += '<' + c |
| parser.state = S.SCRIPT |
| } |
| continue |
| |
| case S.OPEN_WAKA: |
| // either a /, ?, !, or text is coming next. |
| if (c === '!') { |
| parser.state = S.SGML_DECL |
| parser.sgmlDecl = '' |
| } else if (isWhitespace(c)) { |
| // wait for it... |
| } else if (isMatch(nameStart, c)) { |
| parser.state = S.OPEN_TAG |
| parser.tagName = c |
| } else if (c === '/') { |
| parser.state = S.CLOSE_TAG |
| parser.tagName = '' |
| } else if (c === '?') { |
| parser.state = S.PROC_INST |
| parser.procInstName = parser.procInstBody = '' |
| } else { |
| strictFail(parser, 'Unencoded <') |
| // if there was some whitespace, then add that in. |
| if (parser.startTagPosition + 1 < parser.position) { |
| var pad = parser.position - parser.startTagPosition |
| c = new Array(pad).join(' ') + c |
| } |
| parser.textNode += '<' + c |
| parser.state = S.TEXT |
| } |
| continue |
| |
| case S.SGML_DECL: |
| if ((parser.sgmlDecl + c).toUpperCase() === CDATA) { |
| emitNode(parser, 'onopencdata') |
| parser.state = S.CDATA |
| parser.sgmlDecl = '' |
| parser.cdata = '' |
| } else if (parser.sgmlDecl + c === '--') { |
| parser.state = S.COMMENT |
| parser.comment = '' |
| parser.sgmlDecl = '' |
| } else if ((parser.sgmlDecl + c).toUpperCase() === DOCTYPE) { |
| parser.state = S.DOCTYPE |
| if (parser.doctype || parser.sawRoot) { |
| strictFail(parser, |
| 'Inappropriately located doctype declaration') |
| } |
| parser.doctype = '' |
| parser.sgmlDecl = '' |
| } else if (c === '>') { |
| emitNode(parser, 'onsgmldeclaration', parser.sgmlDecl) |
| parser.sgmlDecl = '' |
| parser.state = S.TEXT |
| } else if (isQuote(c)) { |
| parser.state = S.SGML_DECL_QUOTED |
| parser.sgmlDecl += c |
| } else { |
| parser.sgmlDecl += c |
| } |
| continue |
| |
| case S.SGML_DECL_QUOTED: |
| if (c === parser.q) { |
| parser.state = S.SGML_DECL |
| parser.q = '' |
| } |
| parser.sgmlDecl += c |
| continue |
| |
| case S.DOCTYPE: |
| if (c === '>') { |
| parser.state = S.TEXT |
| emitNode(parser, 'ondoctype', parser.doctype) |
| parser.doctype = true // just remember that we saw it. |
| } else { |
| parser.doctype += c |
| if (c === '[') { |
| parser.state = S.DOCTYPE_DTD |
| } else if (isQuote(c)) { |
| parser.state = S.DOCTYPE_QUOTED |
| parser.q = c |
| } |
| } |
| continue |
| |
| case S.DOCTYPE_QUOTED: |
| parser.doctype += c |
| if (c === parser.q) { |
| parser.q = '' |
| parser.state = S.DOCTYPE |
| } |
| continue |
| |
| case S.DOCTYPE_DTD: |
| parser.doctype += c |
| if (c === ']') { |
| parser.state = S.DOCTYPE |
| } else if (isQuote(c)) { |
| parser.state = S.DOCTYPE_DTD_QUOTED |
| parser.q = c |
| } |
| continue |
| |
| case S.DOCTYPE_DTD_QUOTED: |
| parser.doctype += c |
| if (c === parser.q) { |
| parser.state = S.DOCTYPE_DTD |
| parser.q = '' |
| } |
| continue |
| |
| case S.COMMENT: |
| if (c === '-') { |
| parser.state = S.COMMENT_ENDING |
| } else { |
| parser.comment += c |
| } |
| continue |
| |
| case S.COMMENT_ENDING: |
| if (c === '-') { |
| parser.state = S.COMMENT_ENDED |
| parser.comment = textopts(parser.opt, parser.comment) |
| if (parser.comment) { |
| emitNode(parser, 'oncomment', parser.comment) |
| } |
| parser.comment = '' |
| } else { |
| parser.comment += '-' + c |
| parser.state = S.COMMENT |
| } |
| continue |
| |
| case S.COMMENT_ENDED: |
| if (c !== '>') { |
| strictFail(parser, 'Malformed comment') |
| // allow <!-- blah -- bloo --> in non-strict mode, |
| // which is a comment of " blah -- bloo " |
| parser.comment += '--' + c |
| parser.state = S.COMMENT |
| } else { |
| parser.state = S.TEXT |
| } |
| continue |
| |
| case S.CDATA: |
| if (c === ']') { |
| parser.state = S.CDATA_ENDING |
| } else { |
| parser.cdata += c |
| } |
| continue |
| |
| case S.CDATA_ENDING: |
| if (c === ']') { |
| parser.state = S.CDATA_ENDING_2 |
| } else { |
| parser.cdata += ']' + c |
| parser.state = S.CDATA |
| } |
| continue |
| |
| case S.CDATA_ENDING_2: |
| if (c === '>') { |
| if (parser.cdata) { |
| emitNode(parser, 'oncdata', parser.cdata) |
| } |
| emitNode(parser, 'onclosecdata') |
| parser.cdata = '' |
| parser.state = S.TEXT |
| } else if (c === ']') { |
| parser.cdata += ']' |
| } else { |
| parser.cdata += ']]' + c |
| parser.state = S.CDATA |
| } |
| continue |
| |
| case S.PROC_INST: |
| if (c === '?') { |
| parser.state = S.PROC_INST_ENDING |
| } else if (isWhitespace(c)) { |
| parser.state = S.PROC_INST_BODY |
| } else { |
| parser.procInstName += c |
| } |
| continue |
| |
| case S.PROC_INST_BODY: |
| if (!parser.procInstBody && isWhitespace(c)) { |
| continue |
| } else if (c === '?') { |
| parser.state = S.PROC_INST_ENDING |
| } else { |
| parser.procInstBody += c |
| } |
| continue |
| |
| case S.PROC_INST_ENDING: |
| if (c === '>') { |
| emitNode(parser, 'onprocessinginstruction', { |
| name: parser.procInstName, |
| body: parser.procInstBody |
| }) |
| parser.procInstName = parser.procInstBody = '' |
| parser.state = S.TEXT |
| } else { |
| parser.procInstBody += '?' + c |
| parser.state = S.PROC_INST_BODY |
| } |
| continue |
| |
| case S.OPEN_TAG: |
| if (isMatch(nameBody, c)) { |
| parser.tagName += c |
| } else { |
| newTag(parser) |
| if (c === '>') { |
| openTag(parser) |
| } else if (c === '/') { |
| parser.state = S.OPEN_TAG_SLASH |
| } else { |
| if (!isWhitespace(c)) { |
| strictFail(parser, 'Invalid character in tag name') |
| } |
| parser.state = S.ATTRIB |
| } |
| } |
| continue |
| |
| case S.OPEN_TAG_SLASH: |
| if (c === '>') { |
| openTag(parser, true) |
| closeTag(parser) |
| } else { |
| strictFail(parser, 'Forward-slash in opening tag not followed by >') |
| parser.state = S.ATTRIB |
| } |
| continue |
| |
| case S.ATTRIB: |
| // haven't read the attribute name yet. |
| if (isWhitespace(c)) { |
| continue |
| } else if (c === '>') { |
| openTag(parser) |
| } else if (c === '/') { |
| parser.state = S.OPEN_TAG_SLASH |
| } else if (isMatch(nameStart, c)) { |
| parser.attribName = c |
| parser.attribValue = '' |
| parser.state = S.ATTRIB_NAME |
| } else { |
| strictFail(parser, 'Invalid attribute name') |
| } |
| continue |
| |
| case S.ATTRIB_NAME: |
| if (c === '=') { |
| parser.state = S.ATTRIB_VALUE |
| } else if (c === '>') { |
| strictFail(parser, 'Attribute without value') |
| parser.attribValue = parser.attribName |
| attrib(parser) |
| openTag(parser) |
| } else if (isWhitespace(c)) { |
| parser.state = S.ATTRIB_NAME_SAW_WHITE |
| } else if (isMatch(nameBody, c)) { |
| parser.attribName += c |
| } else { |
| strictFail(parser, 'Invalid attribute name') |
| } |
| continue |
| |
| case S.ATTRIB_NAME_SAW_WHITE: |
| if (c === '=') { |
| parser.state = S.ATTRIB_VALUE |
| } else if (isWhitespace(c)) { |
| continue |
| } else { |
| strictFail(parser, 'Attribute without value') |
| parser.tag.attributes[parser.attribName] = '' |
| parser.attribValue = '' |
| emitNode(parser, 'onattribute', { |
| name: parser.attribName, |
| value: '' |
| }) |
| parser.attribName = '' |
| if (c === '>') { |
| openTag(parser) |
| } else if (isMatch(nameStart, c)) { |
| parser.attribName = c |
| parser.state = S.ATTRIB_NAME |
| } else { |
| strictFail(parser, 'Invalid attribute name') |
| parser.state = S.ATTRIB |
| } |
| } |
| continue |
| |
| case S.ATTRIB_VALUE: |
| if (isWhitespace(c)) { |
| continue |
| } else if (isQuote(c)) { |
| parser.q = c |
| parser.state = S.ATTRIB_VALUE_QUOTED |
| } else { |
| strictFail(parser, 'Unquoted attribute value') |
| parser.state = S.ATTRIB_VALUE_UNQUOTED |
| parser.attribValue = c |
| } |
| continue |
| |
| case S.ATTRIB_VALUE_QUOTED: |
| if (c !== parser.q) { |
| if (c === '&') { |
| parser.state = S.ATTRIB_VALUE_ENTITY_Q |
| } else { |
| parser.attribValue += c |
| } |
| continue |
| } |
| attrib(parser) |
| parser.q = '' |
| parser.state = S.ATTRIB_VALUE_CLOSED |
| continue |
| |
| case S.ATTRIB_VALUE_CLOSED: |
| if (isWhitespace(c)) { |
| parser.state = S.ATTRIB |
| } else if (c === '>') { |
| openTag(parser) |
| } else if (c === '/') { |
| parser.state = S.OPEN_TAG_SLASH |
| } else if (isMatch(nameStart, c)) { |
| strictFail(parser, 'No whitespace between attributes') |
| parser.attribName = c |
| parser.attribValue = '' |
| parser.state = S.ATTRIB_NAME |
| } else { |
| strictFail(parser, 'Invalid attribute name') |
| } |
| continue |
| |
| case S.ATTRIB_VALUE_UNQUOTED: |
| if (!isAttribEnd(c)) { |
| if (c === '&') { |
| parser.state = S.ATTRIB_VALUE_ENTITY_U |
| } else { |
| parser.attribValue += c |
| } |
| continue |
| } |
| attrib(parser) |
| if (c === '>') { |
| openTag(parser) |
| } else { |
| parser.state = S.ATTRIB |
| } |
| continue |
| |
| case S.CLOSE_TAG: |
| if (!parser.tagName) { |
| if (isWhitespace(c)) { |
| continue |
| } else if (notMatch(nameStart, c)) { |
| if (parser.script) { |
| parser.script += '</' + c |
| parser.state = S.SCRIPT |
| } else { |
| strictFail(parser, 'Invalid tagname in closing tag.') |
| } |
| } else { |
| parser.tagName = c |
| } |
| } else if (c === '>') { |
| closeTag(parser) |
| } else if (isMatch(nameBody, c)) { |
| parser.tagName += c |
| } else if (parser.script) { |
| parser.script += '</' + parser.tagName |
| parser.tagName = '' |
| parser.state = S.SCRIPT |
| } else { |
| if (!isWhitespace(c)) { |
| strictFail(parser, 'Invalid tagname in closing tag') |
| } |
| parser.state = S.CLOSE_TAG_SAW_WHITE |
| } |
| continue |
| |
| case S.CLOSE_TAG_SAW_WHITE: |
| if (isWhitespace(c)) { |
| continue |
| } |
| if (c === '>') { |
| closeTag(parser) |
| } else { |
| strictFail(parser, 'Invalid characters in closing tag') |
| } |
| continue |
| |
| case S.TEXT_ENTITY: |
| case S.ATTRIB_VALUE_ENTITY_Q: |
| case S.ATTRIB_VALUE_ENTITY_U: |
| var returnState |
| var buffer |
| switch (parser.state) { |
| case S.TEXT_ENTITY: |
| returnState = S.TEXT |
| buffer = 'textNode' |
| break |
| |
| case S.ATTRIB_VALUE_ENTITY_Q: |
| returnState = S.ATTRIB_VALUE_QUOTED |
| buffer = 'attribValue' |
| break |
| |
| case S.ATTRIB_VALUE_ENTITY_U: |
| returnState = S.ATTRIB_VALUE_UNQUOTED |
| buffer = 'attribValue' |
| break |
| } |
| |
| if (c === ';') { |
| var parsedEntity = parseEntity(parser) |
| |
| // Custom entities can contain tags, so we potentially need to parse the result |
| if (parser.state === S.TEXT_ENTITY && !sax.ENTITIES[parser.entity] && parsedEntity !== '&' + parser.entity + ';') { |
| chunk = chunk.slice(0, i) + parsedEntity + chunk.slice(i) |
| } else { |
| parser[buffer] += parsedEntity |
| } |
| |
| parser.entity = '' |
| parser.state = returnState |
| } else if (isMatch(parser.entity.length ? entityBody : entityStart, c)) { |
| parser.entity += c |
| } else { |
| strictFail(parser, 'Invalid character in entity name') |
| parser[buffer] += '&' + parser.entity + c |
| parser.entity = '' |
| parser.state = returnState |
| } |
| |
| continue |
| |
| default: |
| throw new Error(parser, 'Unknown state: ' + parser.state) |
| } |
| } // while |
| |
| if (parser.position >= parser.bufferCheckPosition) { |
| checkBufferLength(parser) |
| } |
| return parser |
| } |
| })(typeof exports === 'undefined' ? this.sax = {} : exports) |
