e1d0f22609
* Moved cli to packages folder * Removed bin * Renamed cli folder * Fixed cli issues * Fixed dependency issues * Fixed duplicate script and cli name * Removed cli.js * Moved run function to index.js * Added author and removed fs dependency * Removed cli dependencies * Removed scripts
102 lines
3.5 KiB
JavaScript
102 lines
3.5 KiB
JavaScript
#!/usr/bin/env node
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/* js-codepage (C) 2014-present SheetJS -- http://sheetjs.com */
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/* vim: set ts=2 ft=javascript: */
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/* eslint-env node */
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var codepage = require('codepage');
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require('exit-on-epipe');
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var fs = require('fs'), program/*:any*/ = (require('commander')/*:any*/);
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function run() {
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program
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.version(codepage.version)
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.usage('[options] <file>')
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.option('-f, --from-code <code>', 'codepage of input (default 65001 utf8)')
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.option('-t, --to-code <code>', 'codepage of output (default 65001 utf8)')
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.option('-o, --output <file>', 'output file (<file>.<to> if specified)')
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.option('-B, --bom', 'write BOM (for unicode codepages)')
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.option('-F, --force', 'force writing to stdout for non-utf8 codepages')
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.option('-l, --list', 'List supported codepages');
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program.on('--help', function () {
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console.log(' Codepage descriptions can be found in the README');
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console.log(' http://oss.sheetjs.com/js-codepage/README.md');
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console.log(' Support email: dev.codepage@sheetjs.com');
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});
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program.parse(process.argv);
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if (program.list) {
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var l/*:Array<number>*/ = [];
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Object.keys(codepage).forEach(function (x) { if (parseInt(x, 10) == +x) l.push(+x); });
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Object.keys(codepage.utils.magic).forEach(function (x) { if (parseInt(x, 10) == +x && +x != 16969) l.push(+x); });
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l.sort(function (a, b) { return a - b; }).forEach(function (x) { console.log(x); });
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process.exit();
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}
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var fr = +program.fromCode || 65001;
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var to = +program.toCode || 65001;
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var f = program.args[0];
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var o = program.output;
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if (!process.stdin.isTTY) f = f || "-";
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if (f !== "-" && !fs.existsSync(f)) {
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console.error('codepage: must specify a filename');
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process.exit(13);
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}
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function concat(func) {
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// $FlowIgnore
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var writable = require('stream').Writable();
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var buf = [];
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writable._write = function (chunk, e, cb) { buf.push(chunk); cb(); };
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writable._writev = function (chunks, cb) { chunks.forEach(function (c) { buf.push(c.chunk); cb(); }); };
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writable.on('finish', function () { func(Buffer.concat(buf)); });
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return writable;
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}
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if (f === "-") process.stdin.pipe(concat(process_text));
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else process_text(fs.readFileSync(f));
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function process_text(text/*:Buffer*/) {
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var dec/*:Buffer*/ = (codepage.utils.decode(fr, text)/*:any*/);
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var bom/*:Array<Buffer>*/ = [];
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bom[1200] = new Buffer([0xFF, 0xFE]);
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bom[1201] = new Buffer([0xFE, 0xFF]);
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bom[12000] = new Buffer([0xFF, 0xFE, 0x00, 0x00]);
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bom[12001] = new Buffer([0x00, 0x00, 0xFE, 0xFF]);
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bom[16969] = new Buffer([0x69, 0x69]);
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bom[65000] = new Buffer([0x2B, 0x2F, 0x76, 0x2B]);
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bom[65001] = new Buffer([0xEF, 0xBB, 0xBF]);
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var mybom = (program.bom && bom[to] ? bom[to] : "");
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var out/*:any*/ = to === 65001 ? dec.toString('utf8') : codepage.utils.encode(to, dec);
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/* if output file is specified */
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if (o) writefile(o, out, mybom);
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/* utf8 -> print to stdout */
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else if (to === 65001) logit(out, mybom);
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/* stdout piped to process -> print */
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else if (!process.stdout.isTTY) logit(out, mybom);
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/* forced */
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else if (program.force) logit(out, mybom);
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/* input file specified -> write to file */
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else if (f !== "-") writefile(f + "." + to, out, mybom);
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else {
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console.error('codepage: use force (-F, --force) to print ' + to + ' codes');
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process.exit(14);
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}
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}
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function logit(out/*:Buffer*/, bom) {
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process.stdout.write(bom);
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process.stdout.write(out);
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}
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function writefile(o, out/*:Buffer*/, bom) {
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fs.writeFileSync(o, bom);
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fs.appendFileSync(o, out);
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}
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}
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module.exports = run; |