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Diffstat (limited to 'bin/wiki/ImportarDesdeURL/node_modules/css-what/index.js')
| -rw-r--r-- | bin/wiki/ImportarDesdeURL/node_modules/css-what/index.js | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/bin/wiki/ImportarDesdeURL/node_modules/css-what/index.js b/bin/wiki/ImportarDesdeURL/node_modules/css-what/index.js new file mode 100644 index 00000000..fdb98c9d --- /dev/null +++ b/bin/wiki/ImportarDesdeURL/node_modules/css-what/index.js @@ -0,0 +1,274 @@ +"use strict"; + +module.exports = parse; + +var re_name = /^(?:\\.|[\w\-\u00b0-\uFFFF])+/, + re_escape = /\\([\da-f]{1,6}\s?|(\s)|.)/ig, + //modified version of https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L87 + re_attr = /^\s*((?:\\.|[\w\u00b0-\uFFFF\-])+)\s*(?:(\S?)=\s*(?:(['"])([^]*?)\3|(#?(?:\\.|[\w\u00b0-\uFFFF\-])*)|)|)\s*(i)?\]/; + +var actionTypes = { + __proto__: null, + "undefined": "exists", + "": "equals", + "~": "element", + "^": "start", + "$": "end", + "*": "any", + "!": "not", + "|": "hyphen" +}; + +var simpleSelectors = { + __proto__: null, + ">": "child", + "<": "parent", + "~": "sibling", + "+": "adjacent" +}; + +var attribSelectors = { + __proto__: null, + "#": ["id", "equals"], + ".": ["class", "element"] +}; + +//pseudos, whose data-property is parsed as well +var unpackPseudos = { + __proto__: null, + "has": true, + "not": true, + "matches": true +}; + +var stripQuotesFromPseudos = { + __proto__: null, + "contains": true, + "icontains": true +}; + +var quotes = { + __proto__: null, + "\"": true, + "'": true +}; + +//unescape function taken from https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L139 +function funescape( _, escaped, escapedWhitespace ) { + var high = "0x" + escaped - 0x10000; + // NaN means non-codepoint + // Support: Firefox + // Workaround erroneous numeric interpretation of +"0x" + return high !== high || escapedWhitespace ? + escaped : + // BMP codepoint + high < 0 ? + String.fromCharCode( high + 0x10000 ) : + // Supplemental Plane codepoint (surrogate pair) + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); +} + +function unescapeCSS(str){ + return str.replace(re_escape, funescape); +} + +function isWhitespace(c){ + return c === " " || c === "\n" || c === "\t" || c === "\f" || c === "\r"; +} + +function parse(selector, options){ + var subselects = []; + + selector = parseSelector(subselects, selector + "", options); + + if(selector !== ""){ + throw new SyntaxError("Unmatched selector: " + selector); + } + + return subselects; +} + +function parseSelector(subselects, selector, options){ + var tokens = [], + sawWS = false, + data, firstChar, name, quot; + + function getName(){ + var sub = selector.match(re_name)[0]; + selector = selector.substr(sub.length); + return unescapeCSS(sub); + } + + function stripWhitespace(start){ + while(isWhitespace(selector.charAt(start))) start++; + selector = selector.substr(start); + } + + function isEscaped(pos) { + var slashCount = 0; + + while (selector.charAt(--pos) === "\\") slashCount++; + return (slashCount & 1) === 1; + } + + stripWhitespace(0); + + while(selector !== ""){ + firstChar = selector.charAt(0); + + if(isWhitespace(firstChar)){ + sawWS = true; + stripWhitespace(1); + } else if(firstChar in simpleSelectors){ + tokens.push({type: simpleSelectors[firstChar]}); + sawWS = false; + + stripWhitespace(1); + } else if(firstChar === ","){ + if(tokens.length === 0){ + throw new SyntaxError("empty sub-selector"); + } + subselects.push(tokens); + tokens = []; + sawWS = false; + stripWhitespace(1); + } else { + if(sawWS){ + if(tokens.length > 0){ + tokens.push({type: "descendant"}); + } + sawWS = false; + } + + if(firstChar === "*"){ + selector = selector.substr(1); + tokens.push({type: "universal"}); + } else if(firstChar in attribSelectors){ + selector = selector.substr(1); + tokens.push({ + type: "attribute", + name: attribSelectors[firstChar][0], + action: attribSelectors[firstChar][1], + value: getName(), + ignoreCase: false + }); + } else if(firstChar === "["){ + selector = selector.substr(1); + data = selector.match(re_attr); + if(!data){ + throw new SyntaxError("Malformed attribute selector: " + selector); + } + selector = selector.substr(data[0].length); + name = unescapeCSS(data[1]); + + if( + !options || ( + "lowerCaseAttributeNames" in options ? + options.lowerCaseAttributeNames : + !options.xmlMode + ) + ){ + name = name.toLowerCase(); + } + + tokens.push({ + type: "attribute", + name: name, + action: actionTypes[data[2]], + value: unescapeCSS(data[4] || data[5] || ""), + ignoreCase: !!data[6] + }); + + } else if(firstChar === ":"){ + if(selector.charAt(1) === ":"){ + selector = selector.substr(2); + tokens.push({type: "pseudo-element", name: getName().toLowerCase()}); + continue; + } + + selector = selector.substr(1); + + name = getName().toLowerCase(); + data = null; + + if(selector.charAt(0) === "("){ + if(name in unpackPseudos){ + quot = selector.charAt(1); + var quoted = quot in quotes; + + selector = selector.substr(quoted + 1); + + data = []; + selector = parseSelector(data, selector, options); + + if(quoted){ + if(selector.charAt(0) !== quot){ + throw new SyntaxError("unmatched quotes in :" + name); + } else { + selector = selector.substr(1); + } + } + + if(selector.charAt(0) !== ")"){ + throw new SyntaxError("missing closing parenthesis in :" + name + " " + selector); + } + + selector = selector.substr(1); + } else { + var pos = 1, counter = 1; + + for(; counter > 0 && pos < selector.length; pos++){ + if(selector.charAt(pos) === "(" && !isEscaped(pos)) counter++; + else if(selector.charAt(pos) === ")" && !isEscaped(pos)) counter--; + } + + if(counter){ + throw new SyntaxError("parenthesis not matched"); + } + + data = selector.substr(1, pos - 2); + selector = selector.substr(pos); + + if(name in stripQuotesFromPseudos){ + quot = data.charAt(0); + + if(quot === data.slice(-1) && quot in quotes){ + data = data.slice(1, -1); + } + + data = unescapeCSS(data); + } + } + } + + tokens.push({type: "pseudo", name: name, data: data}); + } else if(re_name.test(selector)){ + name = getName(); + + if(!options || ("lowerCaseTags" in options ? options.lowerCaseTags : !options.xmlMode)){ + name = name.toLowerCase(); + } + + tokens.push({type: "tag", name: name}); + } else { + if(tokens.length && tokens[tokens.length - 1].type === "descendant"){ + tokens.pop(); + } + addToken(subselects, tokens); + return selector; + } + } + } + + addToken(subselects, tokens); + + return selector; +} + +function addToken(subselects, tokens){ + if(subselects.length > 0 && tokens.length === 0){ + throw new SyntaxError("empty sub-selector"); + } + + subselects.push(tokens); +} |