You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1565 lines
42 KiB
1565 lines
42 KiB
;(function (sax) { // wrapper for non-node envs |
|
sax.parser = function (strict, opt) { return new SAXParser(strict, opt) } |
|
sax.SAXParser = SAXParser |
|
sax.SAXStream = SAXStream |
|
sax.createStream = createStream |
|
|
|
// 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) } |
|
} |
|
|
|
var Stream |
|
try { |
|
Stream = require('stream').Stream |
|
} catch (ex) { |
|
Stream = function () {} |
|
} |
|
|
|
var streamWraps = sax.EVENTS.filter(function (ev) { |
|
return ev !== 'error' && ev !== 'end' |
|
}) |
|
|
|
function createStream (strict, opt) { |
|
return new SAXStream(strict, opt) |
|
} |
|
|
|
function SAXStream (strict, opt) { |
|
if (!(this instanceof SAXStream)) { |
|
return new SAXStream(strict, opt) |
|
} |
|
|
|
Stream.apply(this) |
|
|
|
this._parser = new SAXParser(strict, opt) |
|
this.writable = true |
|
this.readable = true |
|
|
|
var me = this |
|
|
|
this._parser.onend = function () { |
|
me.emit('end') |
|
} |
|
|
|
this._parser.onerror = function (er) { |
|
me.emit('error', er) |
|
|
|
// if didn't throw, then means error was handled. |
|
// go ahead and clear error, so we can write again. |
|
me._parser.error = null |
|
} |
|
|
|
this._decoder = null |
|
|
|
streamWraps.forEach(function (ev) { |
|
Object.defineProperty(me, 'on' + ev, { |
|
get: function () { |
|
return me._parser['on' + ev] |
|
}, |
|
set: function (h) { |
|
if (!h) { |
|
me.removeAllListeners(ev) |
|
me._parser['on' + ev] = h |
|
return h |
|
} |
|
me.on(ev, h) |
|
}, |
|
enumerable: true, |
|
configurable: false |
|
}) |
|
}) |
|
} |
|
|
|
SAXStream.prototype = Object.create(Stream.prototype, { |
|
constructor: { |
|
value: SAXStream |
|
} |
|
}) |
|
|
|
SAXStream.prototype.write = function (data) { |
|
if (typeof Buffer === 'function' && |
|
typeof Buffer.isBuffer === 'function' && |
|
Buffer.isBuffer(data)) { |
|
if (!this._decoder) { |
|
var SD = require('string_decoder').StringDecoder |
|
this._decoder = new SD('utf8') |
|
} |
|
data = this._decoder.write(data) |
|
} |
|
|
|
this._parser.write(data.toString()) |
|
this.emit('data', data) |
|
return true |
|
} |
|
|
|
SAXStream.prototype.end = function (chunk) { |
|
if (chunk && chunk.length) { |
|
this.write(chunk) |
|
} |
|
this._parser.end() |
|
return true |
|
} |
|
|
|
SAXStream.prototype.on = function (ev, handler) { |
|
var me = this |
|
if (!me._parser['on' + ev] && streamWraps.indexOf(ev) !== -1) { |
|
me._parser['on' + ev] = function () { |
|
var args = arguments.length === 1 ? [arguments[0]] : Array.apply(null, arguments) |
|
args.splice(0, 0, ev) |
|
me.emit.apply(me, args) |
|
} |
|
} |
|
|
|
return Stream.prototype.on.call(me, ev, handler) |
|
} |
|
|
|
// 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, er) { |
|
closeText(parser) |
|
if (parser.trackPosition) { |
|
er += '\nLine: ' + parser.line + |
|
'\nColumn: ' + parser.column + |
|
'\nChar: ' + parser.c |
|
} |
|
er = new Error(er) |
|
parser.error = er |
|
emit(parser, 'onerror', er) |
|
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 === ';') { |
|
parser[buffer] += parseEntity(parser) |
|
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 |
|
} |
|
|
|
/*! http://mths.be/fromcodepoint v0.1.0 by @mathias */ |
|
/* istanbul ignore next */ |
|
if (!String.fromCodePoint) { |
|
(function () { |
|
var stringFromCharCode = String.fromCharCode |
|
var floor = Math.floor |
|
var fromCodePoint = function () { |
|
var MAX_SIZE = 0x4000 |
|
var codeUnits = [] |
|
var highSurrogate |
|
var lowSurrogate |
|
var index = -1 |
|
var length = arguments.length |
|
if (!length) { |
|
return '' |
|
} |
|
var result = '' |
|
while (++index < length) { |
|
var codePoint = Number(arguments[index]) |
|
if ( |
|
!isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity` |
|
codePoint < 0 || // not a valid Unicode code point |
|
codePoint > 0x10FFFF || // not a valid Unicode code point |
|
floor(codePoint) !== codePoint // not an integer |
|
) { |
|
throw RangeError('Invalid code point: ' + codePoint) |
|
} |
|
if (codePoint <= 0xFFFF) { // BMP code point |
|
codeUnits.push(codePoint) |
|
} else { // Astral code point; split in surrogate halves |
|
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae |
|
codePoint -= 0x10000 |
|
highSurrogate = (codePoint >> 10) + 0xD800 |
|
lowSurrogate = (codePoint % 0x400) + 0xDC00 |
|
codeUnits.push(highSurrogate, lowSurrogate) |
|
} |
|
if (index + 1 === length || codeUnits.length > MAX_SIZE) { |
|
result += stringFromCharCode.apply(null, codeUnits) |
|
codeUnits.length = 0 |
|
} |
|
} |
|
return result |
|
} |
|
/* istanbul ignore next */ |
|
if (Object.defineProperty) { |
|
Object.defineProperty(String, 'fromCodePoint', { |
|
value: fromCodePoint, |
|
configurable: true, |
|
writable: true |
|
}) |
|
} else { |
|
String.fromCodePoint = fromCodePoint |
|
} |
|
}()) |
|
} |
|
})(typeof exports === 'undefined' ? this.sax = {} : exports)
|
|
|