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/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// keep this file in JavaScript, because it is used by a webpack loader
module.exports = { getFrontMatter, separateFrontMatter, filterContent };
function getFrontMatter(content) {
const lines = content.split('\n');
const position = getFrontMatterPosition(lines);
return position ? parseFrontMatter(lines.slice(position.firstLine + 1, position.lastLine)) : {};
}
function separateFrontMatter(content) {
const lines = content.split('\n');
const position = getFrontMatterPosition(lines);
if (position) {
const frontmatter = parseFrontMatter(lines.slice(position.firstLine + 1, position.lastLine));
const content = lines.slice(position.lastLine + 1).join('\n');
return { frontmatter, content };
} else {
return { frontmatter: {}, content };
}
}
function getFrontMatterPosition(lines) {
let firstLine;
let lastLine;
for (let i = 0; i < lines.length; i++) {
const line = lines[i];
if (line.trim() === '---') {
if (firstLine === undefined) {
firstLine = i;
} else {
lastLine = i;
break;
}
}
}
return lastLine !== undefined ? { firstLine, lastLine } : undefined;
}
function parseFrontMatter(lines) {
const data = {};
for (let i = 0; i < lines.length; i++) {
const tokens = lines[i].split(':').map(x => x.trim());
if (tokens.length === 2) {
data[tokens[0]] = tokens[1];
}
}
return data;
}
/**
* @param {string} content
* @returns {string}
*/
function filterContent(content) {
const { isSonarCloud } = require('./system');
const contentWithoutStatic = cutConditionalContent(content, 'static');
return isSonarCloud()
? cutConditionalContent(contentWithoutStatic, 'sonarqube')
: cutConditionalContent(contentWithoutStatic, 'sonarcloud');
}
/**
* @param {string} content
* @param {string} tag
* @returns {string}
*/
function cutConditionalContent(content, tag) {
const beginning = `<!-- ${tag} -->`;
const ending = `<!-- /${tag} -->`;
let newContent = content;
let start = newContent.indexOf(beginning);
let end = newContent.indexOf(ending);
while (start !== -1 && end !== -1) {
newContent = newContent.substring(0, start) + newContent.substring(end + ending.length);
start = newContent.indexOf(beginning);
end = newContent.indexOf(ending);
}
return newContent;
}
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