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ang-zeyuang-zeyu
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Proof of concept
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‎src/lib/markbind/src/patches/htmlparser2.js‎

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@@ -101,6 +101,10 @@ var i = 0,
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SPECIAL_SCRIPT = j++,
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SPECIAL_STYLE = j++;
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function whitespace(c) {
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return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r";
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}
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Tokenizer.prototype._stateMarkdown = function(c){
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if(c === '`') {
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this._state = TEXT;
@@ -129,6 +133,152 @@ Tokenizer.prototype._stateText = function(c){
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}
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};
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// Tags will be provided by plugins
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const specialTagNames = [
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'abc',
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'cab',
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'script',
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'style',
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];
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Tokenizer.prototype.isFirstCharacterSpecialTagCharacter = function(c) {
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this._specialFunctions = specialTagNames
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.map((str, index) => ({
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index,
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nextTestIndex: 0,
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}))
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.filter(indexObj => c.toLowerCase() === specialTagNames[indexObj.index][indexObj.nextTestIndex])
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.map(indexObj => ({
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index: indexObj.index,
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nextTestIndex: indexObj.nextTestIndex + 1,
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hasFinishedMatching: specialTagNames[indexObj.index][indexObj.nextTestIndex + 1] === undefined,
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}));
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return this._specialFunctions.length > 0;
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};
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Tokenizer.prototype.processSpecialFunctions = function(c) {
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let matchIndex;
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this._specialFunctions = this._specialFunctions
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.filter((indexObj) => {
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if (indexObj.hasFinishedMatching) {
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matchIndex = indexObj.index;
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return c === "/" || c === ">" || whitespace(c);
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}
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return c.toLowerCase() === specialTagNames[indexObj.index][indexObj.nextTestIndex]
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})
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.map(indexObj => ({
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index: indexObj.index,
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nextTestIndex: indexObj.nextTestIndex + 1,
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hasFinishedMatching: specialTagNames[indexObj.index][indexObj.nextTestIndex + 1] === undefined,
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}));
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return {
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matchIndex,
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hasMatching: this._specialFunctions.length > 0,
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};
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};
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Tokenizer.prototype._stateBeforeTagName = function(c) {
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if (c === "/") {
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this._state = BEFORE_CLOSING_TAG_NAME;
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} else if (c === "<") {
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this._cbs.ontext(this._getSection());
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this._sectionStart = this._index;
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} else if (c === ">" || this._special !== SPECIAL_NONE || whitespace(c)) {
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this._state = TEXT;
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} else if (c === "!") {
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this._state = BEFORE_DECLARATION;
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this._sectionStart = this._index + 1;
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} else if (c === "?") {
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this._state = IN_PROCESSING_INSTRUCTION;
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this._sectionStart = this._index + 1;
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} else {
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this._state = !this._xmlMode && this.isFirstCharacterSpecialTagCharacter(c)
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? BEFORE_SPECIAL
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: IN_TAG_NAME;
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this._sectionStart = this._index;
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}
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};
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Tokenizer.prototype._stateBeforeSpecial = function(c) {
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const result = this.processSpecialFunctions(c);
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if (!result.matchIndex && result.hasMatching) {
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this._state = BEFORE_SPECIAL;
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return;
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}
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if (result.matchIndex) {
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this._special = result.matchIndex;
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this._nextSpecialClosingTagMatchIndex = 0;
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}
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this._state = IN_TAG_NAME;
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this._index--; //consume the token again
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};
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Tokenizer.prototype.processSpecialClosingTagCharacter = function(c) {
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let finishedMatching = false;
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let matchNext = false;
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if (specialTagNames[this._special][this._nextSpecialClosingTagMatchIndex] === undefined) {
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this._nextSpecialClosingTagMatchIndex = 0;
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finishedMatching = c === ">" || whitespace(c);
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} else if (specialTagNames[this._special][this._nextSpecialClosingTagMatchIndex] === c.toLowerCase()) {
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this._nextSpecialClosingTagMatchIndex += 1;
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matchNext = true;
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} else {
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// reset
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this._nextSpecialClosingTagMatchIndex = 0;
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}
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return {
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finishedMatching,
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matchNext,
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};
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};
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Tokenizer.prototype._stateBeforeCloseingTagName = function(c) {
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if (whitespace(c));
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else if (c === ">") {
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this._state = TEXT;
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} else if (this._special !== SPECIAL_NONE) {
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if (this.processSpecialClosingTagCharacter(c)) {
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this._state = BEFORE_SPECIAL_END;
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} else {
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this._state = TEXT;
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this._index--;
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}
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} else {
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this._state = IN_CLOSING_TAG_NAME;
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this._sectionStart = this._index;
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}
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};
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Tokenizer.prototype._stateBeforeSpecialEnd = function(c) {
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const result = this.processSpecialClosingTagCharacter(c);
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if (result.matchNext) {
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this._state = BEFORE_SPECIAL_END;
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return;
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}
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if (result.finishedMatching) {
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this._sectionStart = this._index - specialTagNames[this._special].length;
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this._special = SPECIAL_NONE;
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this._state = IN_CLOSING_TAG_NAME;
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this._index--; //reconsume the token
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return;
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}
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this._index--;
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this._state = TEXT;
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};
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Tokenizer.prototype._parse = function(){
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while(this._index < this._buffer.length && this._running){
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var c = this._buffer.charAt(this._index);

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