70 lines
1.8 KiB
JavaScript
Executable File
70 lines
1.8 KiB
JavaScript
Executable File
#! /usr/bin/env nodejs
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// Copyright 2021 Bradley D. Nelson
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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var fs = require('fs');
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function DropCopyright(source) {
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var lines = source.split('\n');
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var cleaned = [];
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for (var i = 0; i < lines.length; ++i) {
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if (lines[i] == '<!--') {
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while (lines[i] != '-->') {
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++i;
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}
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i += 2;
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}
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if (lines[i].search('Copyright') >= 0) {
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while (lines[i] != '') {
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++i;
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}
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} else {
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cleaned.push(lines[i]);
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}
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}
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return cleaned.join('\n');
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}
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var source = fs.readFileSync(process.stdin.fd).toString();
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var replacements = [];
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for (var i = 2; i < process.argv.length; ++i) {
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var item = process.argv[i];
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var m = item.match(/^([^=]+)=@(.+)$/);
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if (m) {
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var content = DropCopyright(fs.readFileSync(m[2]).toString());
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replacements.push(['{{' + m[1] + '}}', content]);
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continue;
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}
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var m = item.match(/^([^=]+)=(.+)$/);
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if (m) {
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replacements.push(['{{' + m[1] + '}}', m[2]]);
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continue;
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}
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throw 'Bad replacement ' + item;
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}
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for (;;) {
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var old_source = source;
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for (var i = 0; i < replacements.length; ++i) {
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source = source.replace(
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replacements[i][0],
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function() { return replacements[i][1]});
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}
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if (old_source == source) {
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break;
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}
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}
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process.stdout.write(source);
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