diff options
Diffstat (limited to 'alarm/node_modules/cssom/lib/CSSValueExpression.js')
| -rw-r--r-- | alarm/node_modules/cssom/lib/CSSValueExpression.js | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/alarm/node_modules/cssom/lib/CSSValueExpression.js b/alarm/node_modules/cssom/lib/CSSValueExpression.js deleted file mode 100644 index 3a6881d..0000000 --- a/alarm/node_modules/cssom/lib/CSSValueExpression.js +++ /dev/null @@ -1,344 +0,0 @@ -//.CommonJS -var CSSOM = { - CSSValue: require('./CSSValue').CSSValue -}; -///CommonJS - - -/** - * @constructor - * @see http://msdn.microsoft.com/en-us/library/ms537634(v=vs.85).aspx - * - */ -CSSOM.CSSValueExpression = function CSSValueExpression(token, idx) { - this._token = token; - this._idx = idx; -}; - -CSSOM.CSSValueExpression.prototype = new CSSOM.CSSValue(); -CSSOM.CSSValueExpression.prototype.constructor = CSSOM.CSSValueExpression; - -/** - * parse css expression() value - * - * @return {Object} - * - error: - * or - * - idx: - * - expression: - * - * Example: - * - * .selector { - * zoom: expression(documentElement.clientWidth > 1000 ? '1000px' : 'auto'); - * } - */ -CSSOM.CSSValueExpression.prototype.parse = function() { - var token = this._token, - idx = this._idx; - - var character = '', - expression = '', - error = '', - info, - paren = []; - - - for (; ; ++idx) { - character = token.charAt(idx); - - // end of token - if (character === '') { - error = 'css expression error: unfinished expression!'; - break; - } - - switch(character) { - case '(': - paren.push(character); - expression += character; - break; - - case ')': - paren.pop(character); - expression += character; - break; - - case '/': - if ((info = this._parseJSComment(token, idx))) { // comment? - if (info.error) { - error = 'css expression error: unfinished comment in expression!'; - } else { - idx = info.idx; - // ignore the comment - } - } else if ((info = this._parseJSRexExp(token, idx))) { // regexp - idx = info.idx; - expression += info.text; - } else { // other - expression += character; - } - break; - - case "'": - case '"': - info = this._parseJSString(token, idx, character); - if (info) { // string - idx = info.idx; - expression += info.text; - } else { - expression += character; - } - break; - - default: - expression += character; - break; - } - - if (error) { - break; - } - - // end of expression - if (paren.length === 0) { - break; - } - } - - var ret; - if (error) { - ret = { - error: error - }; - } else { - ret = { - idx: idx, - expression: expression - }; - } - - return ret; -}; - - -/** - * - * @return {Object|false} - * - idx: - * - text: - * or - * - error: - * or - * false - * - */ -CSSOM.CSSValueExpression.prototype._parseJSComment = function(token, idx) { - var nextChar = token.charAt(idx + 1), - text; - - if (nextChar === '/' || nextChar === '*') { - var startIdx = idx, - endIdx, - commentEndChar; - - if (nextChar === '/') { // line comment - commentEndChar = '\n'; - } else if (nextChar === '*') { // block comment - commentEndChar = '*/'; - } - - endIdx = token.indexOf(commentEndChar, startIdx + 1 + 1); - if (endIdx !== -1) { - endIdx = endIdx + commentEndChar.length - 1; - text = token.substring(idx, endIdx + 1); - return { - idx: endIdx, - text: text - }; - } else { - var error = 'css expression error: unfinished comment in expression!'; - return { - error: error - }; - } - } else { - return false; - } -}; - - -/** - * - * @return {Object|false} - * - idx: - * - text: - * or - * false - * - */ -CSSOM.CSSValueExpression.prototype._parseJSString = function(token, idx, sep) { - var endIdx = this._findMatchedIdx(token, idx, sep), - text; - - if (endIdx === -1) { - return false; - } else { - text = token.substring(idx, endIdx + sep.length); - - return { - idx: endIdx, - text: text - }; - } -}; - - -/** - * parse regexp in css expression - * - * @return {Object|false} - * - idx: - * - regExp: - * or - * false - */ - -/* - -all legal RegExp - -/a/ -(/a/) -[/a/] -[12, /a/] - -!/a/ - -+/a/ --/a/ -* /a/ -/ /a/ -%/a/ - -===/a/ -!==/a/ -==/a/ -!=/a/ ->/a/ ->=/a/ -</a/ -<=/a/ - -&/a/ -|/a/ -^/a/ -~/a/ -<</a/ ->>/a/ ->>>/a/ - -&&/a/ -||/a/ -?/a/ -=/a/ -,/a/ - - delete /a/ - in /a/ -instanceof /a/ - new /a/ - typeof /a/ - void /a/ - -*/ -CSSOM.CSSValueExpression.prototype._parseJSRexExp = function(token, idx) { - var before = token.substring(0, idx).replace(/\s+$/, ""), - legalRegx = [ - /^$/, - /\($/, - /\[$/, - /\!$/, - /\+$/, - /\-$/, - /\*$/, - /\/\s+/, - /\%$/, - /\=$/, - /\>$/, - /<$/, - /\&$/, - /\|$/, - /\^$/, - /\~$/, - /\?$/, - /\,$/, - /delete$/, - /in$/, - /instanceof$/, - /new$/, - /typeof$/, - /void$/ - ]; - - var isLegal = legalRegx.some(function(reg) { - return reg.test(before); - }); - - if (!isLegal) { - return false; - } else { - var sep = '/'; - - // same logic as string - return this._parseJSString(token, idx, sep); - } -}; - - -/** - * - * find next sep(same line) index in `token` - * - * @return {Number} - * - */ -CSSOM.CSSValueExpression.prototype._findMatchedIdx = function(token, idx, sep) { - var startIdx = idx, - endIdx; - - var NOT_FOUND = -1; - - while(true) { - endIdx = token.indexOf(sep, startIdx + 1); - - if (endIdx === -1) { // not found - endIdx = NOT_FOUND; - break; - } else { - var text = token.substring(idx + 1, endIdx), - matched = text.match(/\\+$/); - if (!matched || matched[0] % 2 === 0) { // not escaped - break; - } else { - startIdx = endIdx; - } - } - } - - // boundary must be in the same line(js sting or regexp) - var nextNewLineIdx = token.indexOf('\n', idx + 1); - if (nextNewLineIdx < endIdx) { - endIdx = NOT_FOUND; - } - - - return endIdx; -}; - - - - -//.CommonJS -exports.CSSValueExpression = CSSOM.CSSValueExpression; -///CommonJS |