SheetJS · garrettluu · Jun 19, 2020 · Jun 16, 2020 · Jun 19, 2020
diff --git a/bin/codepage.njs b/bin/codepage.njs
diff --git a/package.json b/package.json
@@ -3,19 +3,17 @@
   "version": "1.14.0",
   "author": "SheetJS",
   "description": "pure-JS library to handle codepages",
-  "keywords": [ "codepage", "iconv", "convert", "strings" ],
-  "bin": {
-    "codepage": "./bin/codepage.njs"
-  },
+  "keywords": [
+    "codepage",
+    "iconv",
+    "convert",
+    "strings"
+  ],
   "main": "cputils.js",
   "types": "types",
   "browser": {
     "buffer": "false"
   },
-  "dependencies": {
-    "commander": "~2.14.1",
-    "exit-on-epipe": "~1.0.1"
-  },
   "devDependencies": {
     "voc": "~1.1.0",
     "mocha": "~2.5.3",
@@ -26,7 +24,10 @@
     "dtslint": "^0.1.2",
     "typescript": "2.2.0"
   },
-  "repository": { "type":"git", "url":"git://github.com/SheetJS/js-codepage.git"},
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/SheetJS/js-codepage.git"
+  },
   "scripts": {
     "pretest": "git submodule init && git submodule update",
     "test": "make test",
@@ -61,7 +62,11 @@
     "dist/sbcs.full.js",
     "dist/cpexcel.full.js"
   ],
-  "bugs": { "url": "https://github.com/SheetJS/js-codepage/issues" },
+  "bugs": {
+    "url": "https://github.com/SheetJS/js-codepage/issues"
+  },
   "license": "Apache-2.0",
-  "engines": { "node": ">=0.8" }
+  "engines": {
+    "node": ">=0.8"
+  }
 }
diff --git a/packages/codepage-cli/.gitignore b/packages/codepage-cli/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/packages/codepage-cli/bin/codepage.njs b/packages/codepage-cli/bin/codepage.njs
@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+/* js-codepage (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2 ft=javascript: */
+/* eslint-env node */
+var cli = require('../');
+
+cli();
diff --git a/packages/codepage-cli/index.js b/packages/codepage-cli/index.js
@@ -0,0 +1,102 @@
+#!/usr/bin/env node
+/* js-codepage (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2 ft=javascript: */
+/* eslint-env node */
+var codepage = require('codepage');
+require('exit-on-epipe');
+var fs = require('fs'), program/*:any*/ = (require('commander')/*:any*/);
+function run() {
+	program
+		.version(codepage.version)
+		.usage('[options] <file>')
+		.option('-f, --from-code <code>', 'codepage of input (default 65001 utf8)')
+		.option('-t, --to-code <code>', 'codepage of output (default 65001 utf8)')
+		.option('-o, --output <file>', 'output file (<file>.<to> if specified)')
+		.option('-B, --bom', 'write BOM (for unicode codepages)')
+		.option('-F, --force', 'force writing to stdout for non-utf8 codepages')
+		.option('-l, --list', 'List supported codepages');
+
+	program.on('--help', function () {
+		console.log('  Codepage descriptions can be found in the README');
+		console.log('      http://oss.sheetjs.com/js-codepage/README.md');
+		console.log('  Support email: dev.codepage@sheetjs.com');
+	});
+
+	program.parse(process.argv);
+
+	if (program.list) {
+		var l/*:Array<number>*/ = [];
+		Object.keys(codepage).forEach(function (x) { if (parseInt(x, 10) == +x) l.push(+x); });
+		Object.keys(codepage.utils.magic).forEach(function (x) { if (parseInt(x, 10) == +x && +x != 16969) l.push(+x); });
+		l.sort(function (a, b) { return a - b; }).forEach(function (x) { console.log(x); });
+		process.exit();
+	}
+
+	var fr = +program.fromCode || 65001;
+	var to = +program.toCode || 65001;
+	var f = program.args[0];
+	var o = program.output;
+
+	if (!process.stdin.isTTY) f = f || "-";
+
+	if (f !== "-" && !fs.existsSync(f)) {
+		console.error('codepage: must specify a filename');
+		process.exit(13);
+	}
+
+	function concat(func) {
+		// $FlowIgnore
+		var writable = require('stream').Writable();
+		var buf = [];
+		writable._write = function (chunk, e, cb) { buf.push(chunk); cb(); };
+		writable._writev = function (chunks, cb) { chunks.forEach(function (c) { buf.push(c.chunk); cb(); }); };
+		writable.on('finish', function () { func(Buffer.concat(buf)); });
+		return writable;
+	}
+
+	if (f === "-") process.stdin.pipe(concat(process_text));
+	else process_text(fs.readFileSync(f));
+
+	function process_text(text/*:Buffer*/) {
+		var dec/*:Buffer*/ = (codepage.utils.decode(fr, text)/*:any*/);
+
+		var bom/*:Array<Buffer>*/ = [];
+		bom[1200] = new Buffer([0xFF, 0xFE]);
+		bom[1201] = new Buffer([0xFE, 0xFF]);
+		bom[12000] = new Buffer([0xFF, 0xFE, 0x00, 0x00]);
+		bom[12001] = new Buffer([0x00, 0x00, 0xFE, 0xFF]);
+		bom[16969] = new Buffer([0x69, 0x69]);
+		bom[65000] = new Buffer([0x2B, 0x2F, 0x76, 0x2B]);
+		bom[65001] = new Buffer([0xEF, 0xBB, 0xBF]);
+
+		var mybom = (program.bom && bom[to] ? bom[to] : "");
+		var out/*:any*/ = to === 65001 ? dec.toString('utf8') : codepage.utils.encode(to, dec);
+
+		/* if output file is specified */
+		if (o) writefile(o, out, mybom);
+		/* utf8 -> print to stdout */
+		else if (to === 65001) logit(out, mybom);
+		/* stdout piped to process -> print */
+		else if (!process.stdout.isTTY) logit(out, mybom);
+		/* forced */
+		else if (program.force) logit(out, mybom);
+		/* input file specified -> write to file */
+		else if (f !== "-") writefile(f + "." + to, out, mybom);
+		else {
+			console.error('codepage: use force (-F, --force) to print ' + to + ' codes');
+			process.exit(14);
+		}
+	}
+
+	function logit(out/*:Buffer*/, bom) {
+		process.stdout.write(bom);
+		process.stdout.write(out);
+	}
+
+	function writefile(o, out/*:Buffer*/, bom) {
+		fs.writeFileSync(o, bom);
+		fs.appendFileSync(o, out);
+	}
+} 
+
+module.exports = run;
diff --git a/packages/codepage-cli/package-lock.json b/packages/codepage-cli/package-lock.json
diff --git a/packages/codepage-cli/package.json b/packages/codepage-cli/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "codepage-cli",
+  "version": "1.0.5",
+  "description": "CLI for js-codepage",
+  "main": "index.js",
+  "bin": {
+    "codepage-cli": "./bin/codepage.njs"
+  },
+  "author": "Garrett Luu",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "codepage": "^1.14.0",
+    "commander": "^5.1.0",
+    "exit-on-epipe": "^1.0.1"
+  }
+}