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571 lines
24 KiB
571 lines
24 KiB
var Marker = require('./marker'); |
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var Token = require('./token'); |
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var formatPosition = require('../utils/format-position'); |
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|
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var Level = { |
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BLOCK: 'block', |
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COMMENT: 'comment', |
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DOUBLE_QUOTE: 'double-quote', |
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RULE: 'rule', |
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SINGLE_QUOTE: 'single-quote' |
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}; |
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|
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var AT_RULES = [ |
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'@charset', |
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'@import' |
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]; |
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var BLOCK_RULES = [ |
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'@-moz-document', |
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'@document', |
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'@-moz-keyframes', |
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'@-ms-keyframes', |
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'@-o-keyframes', |
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'@-webkit-keyframes', |
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'@keyframes', |
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'@media', |
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'@supports' |
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]; |
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var IGNORE_END_COMMENT_PATTERN = /\/\* clean\-css ignore:end \*\/$/; |
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var IGNORE_START_COMMENT_PATTERN = /^\/\* clean\-css ignore:start \*\//; |
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var PAGE_MARGIN_BOXES = [ |
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'@bottom-center', |
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'@bottom-left', |
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'@bottom-left-corner', |
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'@bottom-right', |
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'@bottom-right-corner', |
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'@left-bottom', |
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'@left-middle', |
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'@left-top', |
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'@right-bottom', |
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'@right-middle', |
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'@right-top', |
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'@top-center', |
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'@top-left', |
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'@top-left-corner', |
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'@top-right', |
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'@top-right-corner' |
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]; |
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var EXTRA_PAGE_BOXES = [ |
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'@footnote', |
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'@footnotes', |
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'@left', |
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'@page-float-bottom', |
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'@page-float-top', |
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'@right' |
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]; |
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var REPEAT_PATTERN = /^\[\s{0,31}\d+\s{0,31}\]$/; |
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var RULE_WORD_SEPARATOR_PATTERN = /[\s\(]/; |
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var TAIL_BROKEN_VALUE_PATTERN = /[\s|\}]*$/; |
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function tokenize(source, externalContext) { |
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var internalContext = { |
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level: Level.BLOCK, |
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position: { |
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source: externalContext.source || undefined, |
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line: 1, |
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column: 0, |
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index: 0 |
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} |
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}; |
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return intoTokens(source, externalContext, internalContext, false); |
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} |
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function intoTokens(source, externalContext, internalContext, isNested) { |
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var allTokens = []; |
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var newTokens = allTokens; |
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var lastToken; |
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var ruleToken; |
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var ruleTokens = []; |
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var propertyToken; |
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var metadata; |
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var metadatas = []; |
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var level = internalContext.level; |
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var levels = []; |
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var buffer = []; |
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var buffers = []; |
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var serializedBuffer; |
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var serializedBufferPart; |
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var roundBracketLevel = 0; |
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var isQuoted; |
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var isSpace; |
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var isNewLineNix; |
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var isNewLineWin; |
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var isCarriageReturn; |
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var isCommentStart; |
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var wasCommentStart = false; |
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var isCommentEnd; |
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var wasCommentEnd = false; |
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var isCommentEndMarker; |
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var isEscaped; |
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var wasEscaped = false; |
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var isRaw = false; |
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var seekingValue = false; |
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var seekingPropertyBlockClosing = false; |
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var position = internalContext.position; |
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var lastCommentStartAt; |
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for (; position.index < source.length; position.index++) { |
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var character = source[position.index]; |
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isQuoted = level == Level.SINGLE_QUOTE || level == Level.DOUBLE_QUOTE; |
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isSpace = character == Marker.SPACE || character == Marker.TAB; |
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isNewLineNix = character == Marker.NEW_LINE_NIX; |
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isNewLineWin = character == Marker.NEW_LINE_NIX && source[position.index - 1] == Marker.CARRIAGE_RETURN; |
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isCarriageReturn = character == Marker.CARRIAGE_RETURN && source[position.index + 1] && source[position.index + 1] != Marker.NEW_LINE_NIX; |
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isCommentStart = !wasCommentEnd && level != Level.COMMENT && !isQuoted && character == Marker.ASTERISK && source[position.index - 1] == Marker.FORWARD_SLASH; |
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isCommentEndMarker = !wasCommentStart && !isQuoted && character == Marker.FORWARD_SLASH && source[position.index - 1] == Marker.ASTERISK; |
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isCommentEnd = level == Level.COMMENT && isCommentEndMarker; |
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roundBracketLevel = Math.max(roundBracketLevel, 0); |
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metadata = buffer.length === 0 ? |
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[position.line, position.column, position.source] : |
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metadata; |
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if (isEscaped) { |
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// previous character was a backslash |
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buffer.push(character); |
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} else if (!isCommentEnd && level == Level.COMMENT) { |
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buffer.push(character); |
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} else if (!isCommentStart && !isCommentEnd && isRaw) { |
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buffer.push(character); |
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} else if (isCommentStart && (level == Level.BLOCK || level == Level.RULE) && buffer.length > 1) { |
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// comment start within block preceded by some content, e.g. div/*<-- |
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metadatas.push(metadata); |
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buffer.push(character); |
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buffers.push(buffer.slice(0, buffer.length - 2)); |
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buffer = buffer.slice(buffer.length - 2); |
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metadata = [position.line, position.column - 1, position.source]; |
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levels.push(level); |
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level = Level.COMMENT; |
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} else if (isCommentStart) { |
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// comment start, e.g. /*<-- |
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levels.push(level); |
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level = Level.COMMENT; |
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buffer.push(character); |
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} else if (isCommentEnd && isIgnoreStartComment(buffer)) { |
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// ignore:start comment end, e.g. /* clean-css ignore:start */<-- |
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serializedBuffer = buffer.join('').trim() + character; |
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lastToken = [Token.COMMENT, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]; |
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newTokens.push(lastToken); |
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isRaw = true; |
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metadata = metadatas.pop() || null; |
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buffer = buffers.pop() || []; |
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} else if (isCommentEnd && isIgnoreEndComment(buffer)) { |
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// ignore:start comment end, e.g. /* clean-css ignore:end */<-- |
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serializedBuffer = buffer.join('') + character; |
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lastCommentStartAt = serializedBuffer.lastIndexOf(Marker.FORWARD_SLASH + Marker.ASTERISK); |
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serializedBufferPart = serializedBuffer.substring(0, lastCommentStartAt); |
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lastToken = [Token.RAW, serializedBufferPart, [originalMetadata(metadata, serializedBufferPart, externalContext)]]; |
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newTokens.push(lastToken); |
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serializedBufferPart = serializedBuffer.substring(lastCommentStartAt); |
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metadata = [position.line, position.column - serializedBufferPart.length + 1, position.source]; |
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lastToken = [Token.COMMENT, serializedBufferPart, [originalMetadata(metadata, serializedBufferPart, externalContext)]]; |
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newTokens.push(lastToken); |
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isRaw = false; |
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level = levels.pop(); |
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metadata = metadatas.pop() || null; |
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buffer = buffers.pop() || []; |
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} else if (isCommentEnd) { |
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// comment end, e.g. /* comment */<-- |
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serializedBuffer = buffer.join('').trim() + character; |
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lastToken = [Token.COMMENT, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]; |
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newTokens.push(lastToken); |
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level = levels.pop(); |
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metadata = metadatas.pop() || null; |
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buffer = buffers.pop() || []; |
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} else if (isCommentEndMarker && source[position.index + 1] != Marker.ASTERISK) { |
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externalContext.warnings.push('Unexpected \'*/\' at ' + formatPosition([position.line, position.column, position.source]) + '.'); |
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buffer = []; |
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} else if (character == Marker.SINGLE_QUOTE && !isQuoted) { |
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// single quotation start, e.g. a[href^='https<-- |
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levels.push(level); |
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level = Level.SINGLE_QUOTE; |
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buffer.push(character); |
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} else if (character == Marker.SINGLE_QUOTE && level == Level.SINGLE_QUOTE) { |
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// single quotation end, e.g. a[href^='https'<-- |
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level = levels.pop(); |
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buffer.push(character); |
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} else if (character == Marker.DOUBLE_QUOTE && !isQuoted) { |
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// double quotation start, e.g. a[href^="<-- |
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levels.push(level); |
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level = Level.DOUBLE_QUOTE; |
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buffer.push(character); |
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} else if (character == Marker.DOUBLE_QUOTE && level == Level.DOUBLE_QUOTE) { |
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// double quotation end, e.g. a[href^="https"<-- |
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level = levels.pop(); |
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buffer.push(character); |
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} else if (!isCommentStart && !isCommentEnd && character != Marker.CLOSE_ROUND_BRACKET && character != Marker.OPEN_ROUND_BRACKET && level != Level.COMMENT && !isQuoted && roundBracketLevel > 0) { |
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// character inside any function, e.g. hsla(.<-- |
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buffer.push(character); |
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} else if (character == Marker.OPEN_ROUND_BRACKET && !isQuoted && level != Level.COMMENT && !seekingValue) { |
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// round open bracket, e.g. @import url(<-- |
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buffer.push(character); |
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roundBracketLevel++; |
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} else if (character == Marker.CLOSE_ROUND_BRACKET && !isQuoted && level != Level.COMMENT && !seekingValue) { |
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// round open bracket, e.g. @import url(test.css)<-- |
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buffer.push(character); |
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roundBracketLevel--; |
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} else if (character == Marker.SEMICOLON && level == Level.BLOCK && buffer[0] == Marker.AT) { |
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// semicolon ending rule at block level, e.g. @import '...';<-- |
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serializedBuffer = buffer.join('').trim(); |
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allTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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buffer = []; |
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} else if (character == Marker.COMMA && level == Level.BLOCK && ruleToken) { |
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// comma separator at block level, e.g. a,div,<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, ruleToken[1].length)]]); |
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buffer = []; |
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} else if (character == Marker.COMMA && level == Level.BLOCK && tokenTypeFrom(buffer) == Token.AT_RULE) { |
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// comma separator at block level, e.g. @import url(...) screen,<-- |
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// keep iterating as end semicolon will create the token |
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buffer.push(character); |
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} else if (character == Marker.COMMA && level == Level.BLOCK) { |
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// comma separator at block level, e.g. a,<-- |
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ruleToken = [tokenTypeFrom(buffer), [], []]; |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, 0)]]); |
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buffer = []; |
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} else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK && ruleToken && ruleToken[0] == Token.NESTED_BLOCK) { |
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// open brace opening at-rule at block level, e.g. @media{<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken[1].push([Token.NESTED_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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allTokens.push(ruleToken); |
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levels.push(level); |
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position.column++; |
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position.index++; |
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buffer = []; |
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ruleToken[2] = intoTokens(source, externalContext, internalContext, true); |
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ruleToken = null; |
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} else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK && tokenTypeFrom(buffer) == Token.NESTED_BLOCK) { |
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// open brace opening at-rule at block level, e.g. @media{<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken = ruleToken || [Token.NESTED_BLOCK, [], []]; |
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ruleToken[1].push([Token.NESTED_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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allTokens.push(ruleToken); |
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levels.push(level); |
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position.column++; |
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position.index++; |
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buffer = []; |
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ruleToken[2] = intoTokens(source, externalContext, internalContext, true); |
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ruleToken = null; |
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} else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.BLOCK) { |
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// open brace opening rule at block level, e.g. div{<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken = ruleToken || [tokenTypeFrom(buffer), [], []]; |
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ruleToken[1].push([tokenScopeFrom(ruleToken[0]), serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext, ruleToken[1].length)]]); |
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newTokens = ruleToken[2]; |
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allTokens.push(ruleToken); |
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levels.push(level); |
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level = Level.RULE; |
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buffer = []; |
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} else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.RULE && seekingValue) { |
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// open brace opening rule at rule level, e.g. div{--variable:{<-- |
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ruleTokens.push(ruleToken); |
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ruleToken = [Token.PROPERTY_BLOCK, []]; |
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propertyToken.push(ruleToken); |
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newTokens = ruleToken[1]; |
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levels.push(level); |
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level = Level.RULE; |
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seekingValue = false; |
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} else if (character == Marker.OPEN_CURLY_BRACKET && level == Level.RULE && isPageMarginBox(buffer)) { |
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// open brace opening page-margin box at rule level, e.g. @page{@top-center{<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleTokens.push(ruleToken); |
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ruleToken = [Token.AT_RULE_BLOCK, [], []]; |
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ruleToken[1].push([Token.AT_RULE_BLOCK_SCOPE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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newTokens.push(ruleToken); |
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newTokens = ruleToken[2]; |
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levels.push(level); |
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level = Level.RULE; |
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buffer = []; |
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} else if (character == Marker.COLON && level == Level.RULE && !seekingValue) { |
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// colon at rule level, e.g. a{color:<-- |
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serializedBuffer = buffer.join('').trim(); |
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propertyToken = [Token.PROPERTY, [Token.PROPERTY_NAME, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]]; |
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newTokens.push(propertyToken); |
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seekingValue = true; |
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buffer = []; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && ruleTokens.length > 0 && buffer.length > 0 && buffer[0] == Marker.AT) { |
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// semicolon at rule level for at-rule, e.g. a{--color:{@apply(--other-color);<-- |
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serializedBuffer = buffer.join('').trim(); |
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ruleToken[1].push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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buffer = []; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && buffer.length > 0) { |
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// semicolon at rule level, e.g. a{color:red;<-- |
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serializedBuffer = buffer.join('').trim(); |
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propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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propertyToken = null; |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && propertyToken && buffer.length === 0) { |
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// semicolon after bracketed value at rule level, e.g. a{color:rgb(...);<-- |
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propertyToken = null; |
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seekingValue = false; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && buffer.length > 0 && buffer[0] == Marker.AT) { |
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// semicolon for at-rule at rule level, e.g. a{@apply(--variable);<-- |
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serializedBuffer = buffer.join(''); |
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newTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && seekingPropertyBlockClosing) { |
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// close brace after a property block at rule level, e.g. a{--custom:{color:red;};<-- |
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seekingPropertyBlockClosing = false; |
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buffer = []; |
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} else if (character == Marker.SEMICOLON && level == Level.RULE && buffer.length === 0) { |
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// stray semicolon at rule level, e.g. a{;<-- |
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// noop |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && seekingValue && buffer.length > 0 && ruleTokens.length > 0) { |
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// close brace at rule level, e.g. a{--color:{color:red}<-- |
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serializedBuffer = buffer.join(''); |
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propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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propertyToken = null; |
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ruleToken = ruleTokens.pop(); |
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newTokens = ruleToken[2]; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && buffer.length > 0 && buffer[0] == Marker.AT && ruleTokens.length > 0) { |
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// close brace at rule level for at-rule, e.g. a{--color:{@apply(--other-color)}<-- |
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serializedBuffer = buffer.join(''); |
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ruleToken[1].push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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propertyToken = null; |
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ruleToken = ruleTokens.pop(); |
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newTokens = ruleToken[2]; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && ruleTokens.length > 0) { |
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// close brace at rule level after space, e.g. a{--color:{color:red }<-- |
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propertyToken = null; |
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ruleToken = ruleTokens.pop(); |
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newTokens = ruleToken[2]; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && propertyToken && buffer.length > 0) { |
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// close brace at rule level, e.g. a{color:red}<-- |
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serializedBuffer = buffer.join(''); |
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propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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propertyToken = null; |
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ruleToken = ruleTokens.pop(); |
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newTokens = allTokens; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && buffer.length > 0 && buffer[0] == Marker.AT) { |
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// close brace after at-rule at rule level, e.g. a{@apply(--variable)}<-- |
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propertyToken = null; |
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ruleToken = null; |
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serializedBuffer = buffer.join('').trim(); |
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newTokens.push([Token.AT_RULE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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newTokens = allTokens; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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buffer = []; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE && levels[levels.length - 1] == Level.RULE) { |
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// close brace after a property block at rule level, e.g. a{--custom:{color:red;}<-- |
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propertyToken = null; |
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ruleToken = ruleTokens.pop(); |
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newTokens = ruleToken[2]; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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seekingPropertyBlockClosing = true; |
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buffer = []; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.RULE) { |
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// close brace after a rule, e.g. a{color:red;}<-- |
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propertyToken = null; |
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ruleToken = null; |
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newTokens = allTokens; |
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|
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level = levels.pop(); |
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seekingValue = false; |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.BLOCK && !isNested && position.index <= source.length - 1) { |
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// stray close brace at block level, e.g. a{color:red}color:blue}<-- |
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externalContext.warnings.push('Unexpected \'}\' at ' + formatPosition([position.line, position.column, position.source]) + '.'); |
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buffer.push(character); |
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} else if (character == Marker.CLOSE_CURLY_BRACKET && level == Level.BLOCK) { |
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// close brace at block level, e.g. @media screen {...}<-- |
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break; |
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} else if (character == Marker.OPEN_ROUND_BRACKET && level == Level.RULE && seekingValue) { |
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// round open bracket, e.g. a{color:hsla(<-- |
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buffer.push(character); |
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roundBracketLevel++; |
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} else if (character == Marker.CLOSE_ROUND_BRACKET && level == Level.RULE && seekingValue && roundBracketLevel == 1) { |
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// round close bracket, e.g. a{color:hsla(0,0%,0%)<-- |
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buffer.push(character); |
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serializedBuffer = buffer.join('').trim(); |
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propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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|
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roundBracketLevel--; |
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buffer = []; |
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} else if (character == Marker.CLOSE_ROUND_BRACKET && level == Level.RULE && seekingValue) { |
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// round close bracket within other brackets, e.g. a{width:calc((10rem / 2)<-- |
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buffer.push(character); |
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roundBracketLevel--; |
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} else if (character == Marker.FORWARD_SLASH && source[position.index + 1] != Marker.ASTERISK && level == Level.RULE && seekingValue && buffer.length > 0) { |
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// forward slash within a property, e.g. a{background:url(image.png) 0 0/<-- |
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serializedBuffer = buffer.join('').trim(); |
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propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
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propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]); |
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|
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buffer = []; |
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} else if (character == Marker.FORWARD_SLASH && source[position.index + 1] != Marker.ASTERISK && level == Level.RULE && seekingValue) { |
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// forward slash within a property after space, e.g. a{background:url(image.png) 0 0 /<-- |
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propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]); |
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|
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buffer = []; |
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} else if (character == Marker.COMMA && level == Level.RULE && seekingValue && buffer.length > 0) { |
|
// comma within a property, e.g. a{background:url(image.png),<-- |
|
serializedBuffer = buffer.join('').trim(); |
|
propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
|
propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]); |
|
|
|
buffer = []; |
|
} else if (character == Marker.COMMA && level == Level.RULE && seekingValue) { |
|
// comma within a property after space, e.g. a{background:url(image.png) ,<-- |
|
propertyToken.push([Token.PROPERTY_VALUE, character, [[position.line, position.column, position.source]]]); |
|
|
|
buffer = []; |
|
} else if (character == Marker.CLOSE_SQUARE_BRACKET && propertyToken && propertyToken.length > 1 && buffer.length > 0 && isRepeatToken(buffer)) { |
|
buffer.push(character); |
|
serializedBuffer = buffer.join('').trim(); |
|
propertyToken[propertyToken.length - 1][1] += serializedBuffer; |
|
|
|
buffer = []; |
|
} else if ((isSpace || (isNewLineNix && !isNewLineWin)) && level == Level.RULE && seekingValue && propertyToken && buffer.length > 0) { |
|
// space or *nix newline within property, e.g. a{margin:0 <-- |
|
serializedBuffer = buffer.join('').trim(); |
|
propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
|
|
|
buffer = []; |
|
} else if (isNewLineWin && level == Level.RULE && seekingValue && propertyToken && buffer.length > 1) { |
|
// win newline within property, e.g. a{margin:0\r\n<-- |
|
serializedBuffer = buffer.join('').trim(); |
|
propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
|
|
|
buffer = []; |
|
} else if (isNewLineWin && level == Level.RULE && seekingValue) { |
|
// win newline |
|
buffer = []; |
|
} else if (buffer.length == 1 && isNewLineWin) { |
|
// ignore windows newline which is composed of two characters |
|
buffer.pop(); |
|
} else if (buffer.length > 0 || !isSpace && !isNewLineNix && !isNewLineWin && !isCarriageReturn) { |
|
// any character |
|
buffer.push(character); |
|
} |
|
|
|
wasEscaped = isEscaped; |
|
isEscaped = !wasEscaped && character == Marker.BACK_SLASH; |
|
wasCommentStart = isCommentStart; |
|
wasCommentEnd = isCommentEnd; |
|
|
|
position.line = (isNewLineWin || isNewLineNix || isCarriageReturn) ? position.line + 1 : position.line; |
|
position.column = (isNewLineWin || isNewLineNix || isCarriageReturn) ? 0 : position.column + 1; |
|
} |
|
|
|
if (seekingValue) { |
|
externalContext.warnings.push('Missing \'}\' at ' + formatPosition([position.line, position.column, position.source]) + '.'); |
|
} |
|
|
|
if (seekingValue && buffer.length > 0) { |
|
serializedBuffer = buffer.join('').replace(TAIL_BROKEN_VALUE_PATTERN, ''); |
|
propertyToken.push([Token.PROPERTY_VALUE, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]]); |
|
|
|
buffer = []; |
|
} |
|
|
|
if (buffer.length > 0) { |
|
externalContext.warnings.push('Invalid character(s) \'' + buffer.join('') + '\' at ' + formatPosition(metadata) + '. Ignoring.'); |
|
} |
|
|
|
return allTokens; |
|
} |
|
|
|
function isIgnoreStartComment(buffer) { |
|
return IGNORE_START_COMMENT_PATTERN.test(buffer.join('') + Marker.FORWARD_SLASH); |
|
} |
|
|
|
function isIgnoreEndComment(buffer) { |
|
return IGNORE_END_COMMENT_PATTERN.test(buffer.join('') + Marker.FORWARD_SLASH); |
|
} |
|
|
|
function originalMetadata(metadata, value, externalContext, selectorFallbacks) { |
|
var source = metadata[2]; |
|
|
|
return externalContext.inputSourceMapTracker.isTracking(source) ? |
|
externalContext.inputSourceMapTracker.originalPositionFor(metadata, value.length, selectorFallbacks) : |
|
metadata; |
|
} |
|
|
|
function tokenTypeFrom(buffer) { |
|
var isAtRule = buffer[0] == Marker.AT || buffer[0] == Marker.UNDERSCORE; |
|
var ruleWord = buffer.join('').split(RULE_WORD_SEPARATOR_PATTERN)[0]; |
|
|
|
if (isAtRule && BLOCK_RULES.indexOf(ruleWord) > -1) { |
|
return Token.NESTED_BLOCK; |
|
} else if (isAtRule && AT_RULES.indexOf(ruleWord) > -1) { |
|
return Token.AT_RULE; |
|
} else if (isAtRule) { |
|
return Token.AT_RULE_BLOCK; |
|
} else { |
|
return Token.RULE; |
|
} |
|
} |
|
|
|
function tokenScopeFrom(tokenType) { |
|
if (tokenType == Token.RULE) { |
|
return Token.RULE_SCOPE; |
|
} else if (tokenType == Token.NESTED_BLOCK) { |
|
return Token.NESTED_BLOCK_SCOPE; |
|
} else if (tokenType == Token.AT_RULE_BLOCK) { |
|
return Token.AT_RULE_BLOCK_SCOPE; |
|
} |
|
} |
|
|
|
function isPageMarginBox(buffer) { |
|
var serializedBuffer = buffer.join('').trim(); |
|
|
|
return PAGE_MARGIN_BOXES.indexOf(serializedBuffer) > -1 || EXTRA_PAGE_BOXES.indexOf(serializedBuffer) > -1; |
|
} |
|
|
|
function isRepeatToken(buffer) { |
|
return REPEAT_PATTERN.test(buffer.join('') + Marker.CLOSE_SQUARE_BRACKET); |
|
} |
|
|
|
module.exports = tokenize;
|
|
|