| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| const cStyleComment = ` |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| `; |
| |
| const hashComment = ` |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| `; |
| |
| const mlComment = ` |
| <!-- |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| --> |
| |
| `; |
| |
| function hasPreamble(fileExt) { |
| return fileExt && preambleMap[fileExt]; |
| } |
| |
| function addPreamble(fileStr, fileExt) { |
| if (fileStr && fileExt) { |
| const addFn = addFns[fileExt]; |
| const headStr = preambleMap[fileExt]; |
| return addFn && headStr && addFn(headStr, fileStr); |
| } |
| } |
| |
| const addFns = { |
| |
| js: function (headStr, fileStr) { |
| return headStr + fileStr; |
| }, |
| |
| css: function (headStr, fileStr) { |
| return headStr + fileStr; |
| }, |
| |
| java: function (headStr, fileStr) { |
| return headStr + fileStr; |
| }, |
| |
| sh: function (headStr, fileStr) { |
| // Git diff enables manual check. |
| if (/^#\!/.test(fileStr)) { |
| const lines = fileStr.split('\n'); |
| lines.splice(1, 0, headStr); |
| return lines.join('\n'); |
| } |
| else { |
| return headStr + fileStr; |
| } |
| }, |
| |
| html: function (headStr, fileStr) { |
| // Git diff enables manual check. |
| let resultStr = fileStr.replace(/^\s*<!DOCTYPE\s[^<>]+>/i, '$&' + headStr); |
| // If no doctype |
| if (resultStr.length === fileStr.length) { |
| resultStr = headStr + fileStr; |
| } |
| return resultStr; |
| }, |
| |
| xml: xmlAddFn, |
| |
| xsl: xmlAddFn |
| }; |
| |
| function xmlAddFn(headStr, fileStr) { |
| // Git diff enables manual check. |
| let resultStr = fileStr.replace(/^\s*<\?xml\s[^<>]+\?>/i, '$&' + headStr); |
| // If no <?xml version='1.0' ?> |
| if (resultStr.length === fileStr.length) { |
| resultStr = headStr + fileStr; |
| } |
| return resultStr; |
| } |
| |
| const preambleMap = { |
| js: cStyleComment, |
| css: cStyleComment, |
| java: cStyleComment, |
| sh: hashComment, |
| html: mlComment, |
| xml: mlComment, |
| xsl: mlComment |
| }; |
| |
| const licenseReg = [ |
| {name: 'Apache', reg: /apache (license|commons)/i}, |
| {name: 'BSD', reg: /BSD/}, |
| {name: 'LGPL', reg: /LGPL/}, |
| {name: 'GPL', reg: /GPL/}, |
| {name: 'Mozilla', reg: /mozilla public/i}, |
| {name: 'MIT', reg: /mit license/i}, |
| {name: 'BSD-d3', reg: /Copyright\s+\(c\)\s+2010-2015,\s+Michael\s+Bostock/i} |
| ]; |
| |
| function extractLicense(fileStr, fileExt) { |
| let commentText = extractComment(fileStr.trim(), fileExt); |
| if (!commentText) { |
| return; |
| } |
| for (let i = 0; i < licenseReg.length; i++) { |
| if (licenseReg[i].reg.test(commentText)) { |
| return licenseReg[i].name; |
| } |
| } |
| } |
| |
| const cStyleCommentReg = /\/\*[\S\s]*?\*\//; |
| const hashCommentReg = /^\s*#.*$/gm; |
| const mlCommentReg = /<\!\-\-[\S\s]*?\-\->/; |
| const commentReg = { |
| js: cStyleCommentReg, |
| css: cStyleCommentReg, |
| java: cStyleCommentReg, |
| sh: hashCommentReg, |
| html: mlCommentReg, |
| xml: mlCommentReg, |
| xsl: mlCommentReg |
| }; |
| |
| function extractComment(str, fileExt) { |
| const reg = commentReg[fileExt]; |
| |
| if (!fileExt || !reg || !str) { |
| return; |
| } |
| |
| reg.lastIndex = 0; |
| |
| if (fileExt === 'sh') { |
| let result = str.match(reg); |
| return result && result.join('\n'); |
| } |
| else { |
| let result = reg.exec(str); |
| return result && result[0]; |
| } |
| } |
| |
| module.exports = Object.assign({ |
| extractLicense, |
| hasPreamble, |
| addPreamble |
| }, preambleMap); |