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author | Michaël Zasso <targos@protonmail.com> | 2017-12-22 16:53:42 +0100 |
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committer | Michaël Zasso <targos@protonmail.com> | 2018-01-11 09:48:05 +0100 |
commit | 3dc30632755713179f345f4af024bd904c6162d0 (patch) | |
tree | f28c4f6dd6dfc5992edf301449d1a371d229755b /tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js | |
parent | a2c7085dd4a8e60d1a47572aca8bb6fcb7a32f88 (diff) | |
download | android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.gz android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.bz2 android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.zip |
tools: move eslint from tools to tools/node_modules
This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.
Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Diffstat (limited to 'tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js b/tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js new file mode 100644 index 0000000000..fb11c50990 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/remark-parse/lib/tokenize/link.js @@ -0,0 +1,399 @@ +/** + * @author Titus Wormer + * @copyright 2015 Titus Wormer + * @license MIT + * @module remark:parse:tokenize:link + * @fileoverview Tokenise a link. + */ + +'use strict'; + +var has = require('has'); +var whitespace = require('is-whitespace-character'); +var locate = require('../locate/link'); + +module.exports = link; +link.locator = locate; + +var C_BACKSLASH = '\\'; +var C_BRACKET_OPEN = '['; +var C_BRACKET_CLOSE = ']'; +var C_PAREN_OPEN = '('; +var C_PAREN_CLOSE = ')'; +var C_LT = '<'; +var C_GT = '>'; +var C_TICK = '`'; +var C_DOUBLE_QUOTE = '"'; +var C_SINGLE_QUOTE = '\''; + +/* Map of characters, which can be used to mark link + * and image titles. */ +var LINK_MARKERS = {}; + +LINK_MARKERS[C_DOUBLE_QUOTE] = C_DOUBLE_QUOTE; +LINK_MARKERS[C_SINGLE_QUOTE] = C_SINGLE_QUOTE; + +/* Map of characters, which can be used to mark link + * and image titles in commonmark-mode. */ +var COMMONMARK_LINK_MARKERS = {}; + +COMMONMARK_LINK_MARKERS[C_DOUBLE_QUOTE] = C_DOUBLE_QUOTE; +COMMONMARK_LINK_MARKERS[C_SINGLE_QUOTE] = C_SINGLE_QUOTE; +COMMONMARK_LINK_MARKERS[C_PAREN_OPEN] = C_PAREN_CLOSE; + +/* Tokenise a link. */ +function link(eat, value, silent) { + var self = this; + var subvalue = ''; + var index = 0; + var character = value.charAt(0); + var commonmark = self.options.commonmark; + var gfm = self.options.gfm; + var closed; + var count; + var opening; + var beforeURL; + var beforeTitle; + var subqueue; + var hasMarker; + var markers; + var isImage; + var content; + var marker; + var length; + var title; + var depth; + var queue; + var url; + var now; + var exit; + var node; + + /* Detect whether this is an image. */ + if (character === '!') { + isImage = true; + subvalue = character; + character = value.charAt(++index); + } + + /* Eat the opening. */ + if (character !== C_BRACKET_OPEN) { + return; + } + + /* Exit when this is a link and we’re already inside + * a link. */ + if (!isImage && self.inLink) { + return; + } + + subvalue += character; + queue = ''; + index++; + + /* Eat the content. */ + length = value.length; + now = eat.now(); + depth = 0; + + now.column += index; + now.offset += index; + + while (index < length) { + character = value.charAt(index); + subqueue = character; + + if (character === C_TICK) { + /* Inline-code in link content. */ + count = 1; + + while (value.charAt(index + 1) === C_TICK) { + subqueue += character; + index++; + count++; + } + + if (!opening) { + opening = count; + } else if (count >= opening) { + opening = 0; + } + } else if (character === C_BACKSLASH) { + /* Allow brackets to be escaped. */ + index++; + subqueue += value.charAt(index); + /* In GFM mode, brackets in code still count. + * In all other modes, they don’t. This empty + * block prevents the next statements are + * entered. */ + } else if ((!opening || gfm) && character === C_BRACKET_OPEN) { + depth++; + } else if ((!opening || gfm) && character === C_BRACKET_CLOSE) { + if (depth) { + depth--; + } else { + /* Allow white-space between content and + * url in GFM mode. */ + if (gfm) { + while (index < length) { + character = value.charAt(index + 1); + + if (!whitespace(character)) { + break; + } + + subqueue += character; + index++; + } + } + + if (value.charAt(index + 1) !== C_PAREN_OPEN) { + return; + } + + subqueue += C_PAREN_OPEN; + closed = true; + index++; + + break; + } + } + + queue += subqueue; + subqueue = ''; + index++; + } + + /* Eat the content closing. */ + if (!closed) { + return; + } + + content = queue; + subvalue += queue + subqueue; + index++; + + /* Eat white-space. */ + while (index < length) { + character = value.charAt(index); + + if (!whitespace(character)) { + break; + } + + subvalue += character; + index++; + } + + /* Eat the URL. */ + character = value.charAt(index); + markers = commonmark ? COMMONMARK_LINK_MARKERS : LINK_MARKERS; + queue = ''; + beforeURL = subvalue; + + if (character === C_LT) { + index++; + beforeURL += C_LT; + + while (index < length) { + character = value.charAt(index); + + if (character === C_GT) { + break; + } + + if (commonmark && character === '\n') { + return; + } + + queue += character; + index++; + } + + if (value.charAt(index) !== C_GT) { + return; + } + + subvalue += C_LT + queue + C_GT; + url = queue; + index++; + } else { + character = null; + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if (subqueue && has(markers, character)) { + break; + } + + if (whitespace(character)) { + if (commonmark) { + break; + } + + subqueue += character; + } else { + if (character === C_PAREN_OPEN) { + depth++; + } else if (character === C_PAREN_CLOSE) { + if (depth === 0) { + break; + } + + depth--; + } + + queue += subqueue; + subqueue = ''; + + if (character === C_BACKSLASH) { + queue += C_BACKSLASH; + character = value.charAt(++index); + } + + queue += character; + } + + index++; + } + + subvalue += queue; + url = queue; + index = subvalue.length; + } + + /* Eat white-space. */ + queue = ''; + + while (index < length) { + character = value.charAt(index); + + if (!whitespace(character)) { + break; + } + + queue += character; + index++; + } + + character = value.charAt(index); + subvalue += queue; + + /* Eat the title. */ + if (queue && has(markers, character)) { + index++; + subvalue += character; + queue = ''; + marker = markers[character]; + beforeTitle = subvalue; + + /* In commonmark-mode, things are pretty easy: the + * marker cannot occur inside the title. + * + * Non-commonmark does, however, support nested + * delimiters. */ + if (commonmark) { + while (index < length) { + character = value.charAt(index); + + if (character === marker) { + break; + } + + if (character === C_BACKSLASH) { + queue += C_BACKSLASH; + character = value.charAt(++index); + } + + index++; + queue += character; + } + + character = value.charAt(index); + + if (character !== marker) { + return; + } + + title = queue; + subvalue += queue + character; + index++; + + while (index < length) { + character = value.charAt(index); + + if (!whitespace(character)) { + break; + } + + subvalue += character; + index++; + } + } else { + subqueue = ''; + + while (index < length) { + character = value.charAt(index); + + if (character === marker) { + if (hasMarker) { + queue += marker + subqueue; + subqueue = ''; + } + + hasMarker = true; + } else if (!hasMarker) { + queue += character; + } else if (character === C_PAREN_CLOSE) { + subvalue += queue + marker + subqueue; + title = queue; + break; + } else if (whitespace(character)) { + subqueue += character; + } else { + queue += marker + subqueue + character; + subqueue = ''; + hasMarker = false; + } + + index++; + } + } + } + + if (value.charAt(index) !== C_PAREN_CLOSE) { + return; + } + + /* istanbul ignore if - never used (yet) */ + if (silent) { + return true; + } + + subvalue += C_PAREN_CLOSE; + + url = self.decode.raw(self.unescape(url), eat(beforeURL).test().end); + + if (title) { + beforeTitle = eat(beforeTitle).test().end; + title = self.decode.raw(self.unescape(title), beforeTitle); + } + + node = { + type: isImage ? 'image' : 'link', + title: title || null, + url: url + }; + + if (isImage) { + node.alt = self.decode.raw(self.unescape(content), now) || null; + } else { + exit = self.enterLink(); + node.children = self.tokenizeInline(content, now); + exit(); + } + + return eat(subvalue)(node); +} |