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Diffstat (limited to 'alarm/node_modules/cssstyle/lib/parsers.js')
-rw-r--r-- | alarm/node_modules/cssstyle/lib/parsers.js | 722 |
1 files changed, 0 insertions, 722 deletions
diff --git a/alarm/node_modules/cssstyle/lib/parsers.js b/alarm/node_modules/cssstyle/lib/parsers.js deleted file mode 100644 index 8ecdf5e..0000000 --- a/alarm/node_modules/cssstyle/lib/parsers.js +++ /dev/null @@ -1,722 +0,0 @@ -/********************************************************************* - * These are commonly used parsers for CSS Values they take a string * - * to parse and return a string after it's been converted, if needed * - ********************************************************************/ -'use strict'; - -const namedColors = require('./named_colors.json'); -const { hslToRgb } = require('./utils/colorSpace'); - -exports.TYPES = { - INTEGER: 1, - NUMBER: 2, - LENGTH: 3, - PERCENT: 4, - URL: 5, - COLOR: 6, - STRING: 7, - ANGLE: 8, - KEYWORD: 9, - NULL_OR_EMPTY_STR: 10, - CALC: 11, -}; - -// rough regular expressions -var integerRegEx = /^[-+]?[0-9]+$/; -var numberRegEx = /^[-+]?[0-9]*\.?[0-9]+$/; -var lengthRegEx = /^(0|[-+]?[0-9]*\.?[0-9]+(in|cm|em|mm|pt|pc|px|ex|rem|vh|vw|ch))$/; -var percentRegEx = /^[-+]?[0-9]*\.?[0-9]+%$/; -var urlRegEx = /^url\(\s*([^)]*)\s*\)$/; -var stringRegEx = /^("[^"]*"|'[^']*')$/; -var colorRegEx1 = /^#([0-9a-fA-F]{3,4}){1,2}$/; -var colorRegEx2 = /^rgb\(([^)]*)\)$/; -var colorRegEx3 = /^rgba\(([^)]*)\)$/; -var calcRegEx = /^calc\(([^)]*)\)$/; -var colorRegEx4 = /^hsla?\(\s*(-?\d+|-?\d*.\d+)\s*,\s*(-?\d+|-?\d*.\d+)%\s*,\s*(-?\d+|-?\d*.\d+)%\s*(,\s*(-?\d+|-?\d*.\d+)\s*)?\)/; -var angleRegEx = /^([-+]?[0-9]*\.?[0-9]+)(deg|grad|rad)$/; - -// This will return one of the above types based on the passed in string -exports.valueType = function valueType(val) { - if (val === '' || val === null) { - return exports.TYPES.NULL_OR_EMPTY_STR; - } - if (typeof val === 'number') { - val = val.toString(); - } - - if (typeof val !== 'string') { - return undefined; - } - - if (integerRegEx.test(val)) { - return exports.TYPES.INTEGER; - } - if (numberRegEx.test(val)) { - return exports.TYPES.NUMBER; - } - if (lengthRegEx.test(val)) { - return exports.TYPES.LENGTH; - } - if (percentRegEx.test(val)) { - return exports.TYPES.PERCENT; - } - if (urlRegEx.test(val)) { - return exports.TYPES.URL; - } - if (calcRegEx.test(val)) { - return exports.TYPES.CALC; - } - if (stringRegEx.test(val)) { - return exports.TYPES.STRING; - } - if (angleRegEx.test(val)) { - return exports.TYPES.ANGLE; - } - if (colorRegEx1.test(val)) { - return exports.TYPES.COLOR; - } - - var res = colorRegEx2.exec(val); - var parts; - if (res !== null) { - parts = res[1].split(/\s*,\s*/); - if (parts.length !== 3) { - return undefined; - } - if ( - parts.every(percentRegEx.test.bind(percentRegEx)) || - parts.every(integerRegEx.test.bind(integerRegEx)) - ) { - return exports.TYPES.COLOR; - } - return undefined; - } - res = colorRegEx3.exec(val); - if (res !== null) { - parts = res[1].split(/\s*,\s*/); - if (parts.length !== 4) { - return undefined; - } - if ( - parts.slice(0, 3).every(percentRegEx.test.bind(percentRegEx)) || - parts.slice(0, 3).every(integerRegEx.test.bind(integerRegEx)) - ) { - if (numberRegEx.test(parts[3])) { - return exports.TYPES.COLOR; - } - } - return undefined; - } - - if (colorRegEx4.test(val)) { - return exports.TYPES.COLOR; - } - - // could still be a color, one of the standard keyword colors - val = val.toLowerCase(); - - if (namedColors.includes(val)) { - return exports.TYPES.COLOR; - } - - switch (val) { - // the following are deprecated in CSS3 - case 'activeborder': - case 'activecaption': - case 'appworkspace': - case 'background': - case 'buttonface': - case 'buttonhighlight': - case 'buttonshadow': - case 'buttontext': - case 'captiontext': - case 'graytext': - case 'highlight': - case 'highlighttext': - case 'inactiveborder': - case 'inactivecaption': - case 'inactivecaptiontext': - case 'infobackground': - case 'infotext': - case 'menu': - case 'menutext': - case 'scrollbar': - case 'threeddarkshadow': - case 'threedface': - case 'threedhighlight': - case 'threedlightshadow': - case 'threedshadow': - case 'window': - case 'windowframe': - case 'windowtext': - return exports.TYPES.COLOR; - default: - return exports.TYPES.KEYWORD; - } -}; - -exports.parseInteger = function parseInteger(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.INTEGER) { - return undefined; - } - return String(parseInt(val, 10)); -}; - -exports.parseNumber = function parseNumber(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.NUMBER && type !== exports.TYPES.INTEGER) { - return undefined; - } - return String(parseFloat(val)); -}; - -exports.parseLength = function parseLength(val) { - if (val === 0 || val === '0') { - return '0px'; - } - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.LENGTH) { - return undefined; - } - return val; -}; - -exports.parsePercent = function parsePercent(val) { - if (val === 0 || val === '0') { - return '0%'; - } - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.PERCENT) { - return undefined; - } - return val; -}; - -// either a length or a percent -exports.parseMeasurement = function parseMeasurement(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.CALC) { - return val; - } - - var length = exports.parseLength(val); - if (length !== undefined) { - return length; - } - return exports.parsePercent(val); -}; - -exports.parseUrl = function parseUrl(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - var res = urlRegEx.exec(val); - // does it match the regex? - if (!res) { - return undefined; - } - var str = res[1]; - // if it starts with single or double quotes, does it end with the same? - if ((str[0] === '"' || str[0] === "'") && str[0] !== str[str.length - 1]) { - return undefined; - } - if (str[0] === '"' || str[0] === "'") { - str = str.substr(1, str.length - 2); - } - - var i; - for (i = 0; i < str.length; i++) { - switch (str[i]) { - case '(': - case ')': - case ' ': - case '\t': - case '\n': - case "'": - case '"': - return undefined; - case '\\': - i++; - break; - } - } - - return 'url(' + str + ')'; -}; - -exports.parseString = function parseString(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.STRING) { - return undefined; - } - var i; - for (i = 1; i < val.length - 1; i++) { - switch (val[i]) { - case val[0]: - return undefined; - case '\\': - i++; - while (i < val.length - 1 && /[0-9A-Fa-f]/.test(val[i])) { - i++; - } - break; - } - } - if (i >= val.length) { - return undefined; - } - return val; -}; - -exports.parseColor = function parseColor(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - var red, - green, - blue, - hue, - saturation, - lightness, - alpha = 1; - var parts; - var res = colorRegEx1.exec(val); - // is it #aaa, #ababab, #aaaa, #abababaa - if (res) { - var defaultHex = val.substr(1); - var hex = val.substr(1); - if (hex.length === 3 || hex.length === 4) { - hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; - - if (defaultHex.length === 4) { - hex = hex + defaultHex[3] + defaultHex[3]; - } - } - red = parseInt(hex.substr(0, 2), 16); - green = parseInt(hex.substr(2, 2), 16); - blue = parseInt(hex.substr(4, 2), 16); - if (hex.length === 8) { - var hexAlpha = hex.substr(6, 2); - var hexAlphaToRgbaAlpha = Number((parseInt(hexAlpha, 16) / 255).toFixed(3)); - - return 'rgba(' + red + ', ' + green + ', ' + blue + ', ' + hexAlphaToRgbaAlpha + ')'; - } - return 'rgb(' + red + ', ' + green + ', ' + blue + ')'; - } - - res = colorRegEx2.exec(val); - if (res) { - parts = res[1].split(/\s*,\s*/); - if (parts.length !== 3) { - return undefined; - } - if (parts.every(percentRegEx.test.bind(percentRegEx))) { - red = Math.floor((parseFloat(parts[0].slice(0, -1)) * 255) / 100); - green = Math.floor((parseFloat(parts[1].slice(0, -1)) * 255) / 100); - blue = Math.floor((parseFloat(parts[2].slice(0, -1)) * 255) / 100); - } else if (parts.every(integerRegEx.test.bind(integerRegEx))) { - red = parseInt(parts[0], 10); - green = parseInt(parts[1], 10); - blue = parseInt(parts[2], 10); - } else { - return undefined; - } - red = Math.min(255, Math.max(0, red)); - green = Math.min(255, Math.max(0, green)); - blue = Math.min(255, Math.max(0, blue)); - return 'rgb(' + red + ', ' + green + ', ' + blue + ')'; - } - - res = colorRegEx3.exec(val); - if (res) { - parts = res[1].split(/\s*,\s*/); - if (parts.length !== 4) { - return undefined; - } - if (parts.slice(0, 3).every(percentRegEx.test.bind(percentRegEx))) { - red = Math.floor((parseFloat(parts[0].slice(0, -1)) * 255) / 100); - green = Math.floor((parseFloat(parts[1].slice(0, -1)) * 255) / 100); - blue = Math.floor((parseFloat(parts[2].slice(0, -1)) * 255) / 100); - alpha = parseFloat(parts[3]); - } else if (parts.slice(0, 3).every(integerRegEx.test.bind(integerRegEx))) { - red = parseInt(parts[0], 10); - green = parseInt(parts[1], 10); - blue = parseInt(parts[2], 10); - alpha = parseFloat(parts[3]); - } else { - return undefined; - } - if (isNaN(alpha)) { - alpha = 1; - } - red = Math.min(255, Math.max(0, red)); - green = Math.min(255, Math.max(0, green)); - blue = Math.min(255, Math.max(0, blue)); - alpha = Math.min(1, Math.max(0, alpha)); - if (alpha === 1) { - return 'rgb(' + red + ', ' + green + ', ' + blue + ')'; - } - return 'rgba(' + red + ', ' + green + ', ' + blue + ', ' + alpha + ')'; - } - - res = colorRegEx4.exec(val); - if (res) { - const [, _hue, _saturation, _lightness, _alphaString = ''] = res; - const _alpha = parseFloat(_alphaString.replace(',', '').trim()); - if (!_hue || !_saturation || !_lightness) { - return undefined; - } - hue = parseFloat(_hue); - saturation = parseInt(_saturation, 10); - lightness = parseInt(_lightness, 10); - if (_alpha && numberRegEx.test(_alpha)) { - alpha = parseFloat(_alpha); - } - - const [r, g, b] = hslToRgb(hue, saturation / 100, lightness / 100); - if (!_alphaString || alpha === 1) { - return 'rgb(' + r + ', ' + g + ', ' + b + ')'; - } - return 'rgba(' + r + ', ' + g + ', ' + b + ', ' + alpha + ')'; - } - - if (type === exports.TYPES.COLOR) { - return val; - } - return undefined; -}; - -exports.parseAngle = function parseAngle(val) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.ANGLE) { - return undefined; - } - var res = angleRegEx.exec(val); - var flt = parseFloat(res[1]); - if (res[2] === 'rad') { - flt *= 180 / Math.PI; - } else if (res[2] === 'grad') { - flt *= 360 / 400; - } - - while (flt < 0) { - flt += 360; - } - while (flt > 360) { - flt -= 360; - } - return flt + 'deg'; -}; - -exports.parseKeyword = function parseKeyword(val, valid_keywords) { - var type = exports.valueType(val); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - return val; - } - if (type !== exports.TYPES.KEYWORD) { - return undefined; - } - val = val.toString().toLowerCase(); - var i; - for (i = 0; i < valid_keywords.length; i++) { - if (valid_keywords[i].toLowerCase() === val) { - return valid_keywords[i]; - } - } - return undefined; -}; - -// utility to translate from border-width to borderWidth -var dashedToCamelCase = function(dashed) { - var i; - var camel = ''; - var nextCap = false; - for (i = 0; i < dashed.length; i++) { - if (dashed[i] !== '-') { - camel += nextCap ? dashed[i].toUpperCase() : dashed[i]; - nextCap = false; - } else { - nextCap = true; - } - } - return camel; -}; -exports.dashedToCamelCase = dashedToCamelCase; - -var is_space = /\s/; -var opening_deliminators = ['"', "'", '(']; -var closing_deliminators = ['"', "'", ')']; -// this splits on whitespace, but keeps quoted and parened parts together -var getParts = function(str) { - var deliminator_stack = []; - var length = str.length; - var i; - var parts = []; - var current_part = ''; - var opening_index; - var closing_index; - for (i = 0; i < length; i++) { - opening_index = opening_deliminators.indexOf(str[i]); - closing_index = closing_deliminators.indexOf(str[i]); - if (is_space.test(str[i])) { - if (deliminator_stack.length === 0) { - if (current_part !== '') { - parts.push(current_part); - } - current_part = ''; - } else { - current_part += str[i]; - } - } else { - if (str[i] === '\\') { - i++; - current_part += str[i]; - } else { - current_part += str[i]; - if ( - closing_index !== -1 && - closing_index === deliminator_stack[deliminator_stack.length - 1] - ) { - deliminator_stack.pop(); - } else if (opening_index !== -1) { - deliminator_stack.push(opening_index); - } - } - } - } - if (current_part !== '') { - parts.push(current_part); - } - return parts; -}; - -/* - * this either returns undefined meaning that it isn't valid - * or returns an object where the keys are dashed short - * hand properties and the values are the values to set - * on them - */ -exports.shorthandParser = function parse(v, shorthand_for) { - var obj = {}; - var type = exports.valueType(v); - if (type === exports.TYPES.NULL_OR_EMPTY_STR) { - Object.keys(shorthand_for).forEach(function(property) { - obj[property] = ''; - }); - return obj; - } - - if (typeof v === 'number') { - v = v.toString(); - } - - if (typeof v !== 'string') { - return undefined; - } - - if (v.toLowerCase() === 'inherit') { - return {}; - } - var parts = getParts(v); - var valid = true; - parts.forEach(function(part, i) { - var part_valid = false; - Object.keys(shorthand_for).forEach(function(property) { - if (shorthand_for[property].isValid(part, i)) { - part_valid = true; - obj[property] = part; - } - }); - valid = valid && part_valid; - }); - if (!valid) { - return undefined; - } - return obj; -}; - -exports.shorthandSetter = function(property, shorthand_for) { - return function(v) { - var obj = exports.shorthandParser(v, shorthand_for); - if (obj === undefined) { - return; - } - //console.log('shorthandSetter for:', property, 'obj:', obj); - Object.keys(obj).forEach(function(subprop) { - // in case subprop is an implicit property, this will clear - // *its* subpropertiesX - var camel = dashedToCamelCase(subprop); - this[camel] = obj[subprop]; - // in case it gets translated into something else (0 -> 0px) - obj[subprop] = this[camel]; - this.removeProperty(subprop); - // don't add in empty properties - if (obj[subprop] !== '') { - this._values[subprop] = obj[subprop]; - } - }, this); - Object.keys(shorthand_for).forEach(function(subprop) { - if (!obj.hasOwnProperty(subprop)) { - this.removeProperty(subprop); - delete this._values[subprop]; - } - }, this); - // in case the value is something like 'none' that removes all values, - // check that the generated one is not empty, first remove the property - // if it already exists, then call the shorthandGetter, if it's an empty - // string, don't set the property - this.removeProperty(property); - var calculated = exports.shorthandGetter(property, shorthand_for).call(this); - if (calculated !== '') { - this._setProperty(property, calculated); - } - }; -}; - -exports.shorthandGetter = function(property, shorthand_for) { - return function() { - if (this._values[property] !== undefined) { - return this.getPropertyValue(property); - } - return Object.keys(shorthand_for) - .map(function(subprop) { - return this.getPropertyValue(subprop); - }, this) - .filter(function(value) { - return value !== ''; - }) - .join(' '); - }; -}; - -// isValid(){1,4} | inherit -// if one, it applies to all -// if two, the first applies to the top and bottom, and the second to left and right -// if three, the first applies to the top, the second to left and right, the third bottom -// if four, top, right, bottom, left -exports.implicitSetter = function(property_before, property_after, isValid, parser) { - property_after = property_after || ''; - if (property_after !== '') { - property_after = '-' + property_after; - } - var part_names = ['top', 'right', 'bottom', 'left']; - - return function(v) { - if (typeof v === 'number') { - v = v.toString(); - } - if (typeof v !== 'string') { - return undefined; - } - var parts; - if (v.toLowerCase() === 'inherit' || v === '') { - parts = [v]; - } else { - parts = getParts(v); - } - if (parts.length < 1 || parts.length > 4) { - return undefined; - } - - if (!parts.every(isValid)) { - return undefined; - } - - parts = parts.map(function(part) { - return parser(part); - }); - this._setProperty(property_before + property_after, parts.join(' ')); - if (parts.length === 1) { - parts[1] = parts[0]; - } - if (parts.length === 2) { - parts[2] = parts[0]; - } - if (parts.length === 3) { - parts[3] = parts[1]; - } - - for (var i = 0; i < 4; i++) { - var property = property_before + '-' + part_names[i] + property_after; - this.removeProperty(property); - if (parts[i] !== '') { - this._values[property] = parts[i]; - } - } - return v; - }; -}; - -// -// Companion to implicitSetter, but for the individual parts. -// This sets the individual value, and checks to see if all four -// sub-parts are set. If so, it sets the shorthand version and removes -// the individual parts from the cssText. -// -exports.subImplicitSetter = function(prefix, part, isValid, parser) { - var property = prefix + '-' + part; - var subparts = [prefix + '-top', prefix + '-right', prefix + '-bottom', prefix + '-left']; - - return function(v) { - if (typeof v === 'number') { - v = v.toString(); - } - if (typeof v !== 'string') { - return undefined; - } - if (!isValid(v)) { - return undefined; - } - v = parser(v); - this._setProperty(property, v); - var parts = []; - for (var i = 0; i < 4; i++) { - if (this._values[subparts[i]] == null || this._values[subparts[i]] === '') { - break; - } - parts.push(this._values[subparts[i]]); - } - if (parts.length === 4) { - for (i = 0; i < 4; i++) { - this.removeProperty(subparts[i]); - this._values[subparts[i]] = parts[i]; - } - this._setProperty(prefix, parts.join(' ')); - } - return v; - }; -}; - -var camel_to_dashed = /[A-Z]/g; -var first_segment = /^\([^-]\)-/; -var vendor_prefixes = ['o', 'moz', 'ms', 'webkit']; -exports.camelToDashed = function(camel_case) { - var match; - var dashed = camel_case.replace(camel_to_dashed, '-$&').toLowerCase(); - match = dashed.match(first_segment); - if (match && vendor_prefixes.indexOf(match[1]) !== -1) { - dashed = '-' + dashed; - } - return dashed; -}; |