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