Add a new tool: jsmin.js.

This is based on http://fmarcia.info/jsmin/test.html from Franck Marcia,
which in turn based on http://javascript.crockford.com/jsmin.html from
Douglas Crockford.

CMakeLists.txt

@@ -30,6 +30,7 @@ set(EIGHTPACK_PATH ${PROJECT_SOURCE_DIR}/lib)
 add_subdirectory(jslint)
 add_subdirectory(jshint)
 add_subdirectory(jsbeautify)
+add_subdirectory(jsmin)
 
 add_subdirectory(cssbeautify)
 add_subdirectory(cssmin)

README.md

@@ -8,8 +8,9 @@ EightPack can be [built](http://ofilabs.com/eightpack/build) on all major
 desktop platforms (Windows, Mac OS X, Linux). Binaries for Windows
 and Mac OS X are available for [download](http://ofilabs.com/eightpack/download).
 
-As of now, EightPack consists of the following [tools](http://ofilabs.com/eightpack/tools): JSLint, JSHint, JS
-Beautifier, CSS Beautify, and cssmin.js.
+As of now, EightPack consists of the following
+[tools](http://ofilabs.com/eightpack/tools): JSLint, JSHint, JS Beautifier,
+JSMin, CSS Beautify, and cssmin.js.
 
 EightPack is an open-source software, distributed and available under
 [MIT License](http://ofilabs.com/eightpack/license).

jsmin/CMakeLists.txt

@@ -0,0 +1,6 @@
+add_executable(jsmin jsmin.cpp)
+link_directories(${EIGHTPACK_PATH})
+target_link_libraries(jsmin eightpack)
+set_target_properties(jsmin PROPERTIES COMPILE_FLAGS ${EIGHTPACK_COMPILE_FLAGS})
+set_target_properties(jsmin PROPERTIES LINK_FLAGS ${EIGHTPACK_LINK_FLAGS})
+install(TARGETS jsmin DESTINATION bin)

jsmin/CommandLine.js

@@ -0,0 +1,96 @@
+/*global system: true, console: true */
+var jsmin, fname, settings, level, code, result;
+
+settings = settings || {};
+
+function help() {
+    'use strict';
+    var opt, str;
+    console.log('Usage:');
+    console.log('    jsmin [options] filename');
+    console.log();
+    console.log('The content of filename will be minified and printed to');
+    console.log('standard output.');
+    console.log();
+    console.log('General options:');
+    console.log('    --help          Show this help screen');
+    console.log('    --version       Display version number');
+    console.log();
+    console.log('JSMin options (see http://fmarcia.info/jsmin/test.html):');
+    for (opt in settings) {
+        if (settings.hasOwnProperty(opt)) {
+            str = '    --' + opt;
+            while (str.length < 25) {
+                str += ' ';
+            }
+            str += settings[opt];
+            console.log(str);
+        }
+    }
+    console.log();
+    console.log('For more information, go to http://fmarcia.info/jsmin/test.html and');
+    console.log('http://www.crockford.com/javascript/jsmin.html.');
+    console.log();
+    system.exit(-1);
+}
+
+if (system.args.length < 1) {
+    help();
+}
+
+level = 2;
+
+system.args.forEach(function (arg) {
+    'use strict';
+    var option, i;
+    if (arg.length > 2) {
+        if (arg.charAt(0) === '-' && arg.charAt(1) === '-') {
+            option = arg.substring(2, arg.length);
+
+            if (option === 'help') {
+                help();
+            }
+
+            if (option === 'version') {
+                console.log('jsmin.js edition 2010/01/15.');
+                system.exit(-1);
+            }
+
+            if (!settings.hasOwnProperty(option)) {
+                console.log('Unknown option: --' + option);
+                console.log('Run jsmin --help to list all possible options.');
+                console.log();
+                system.exit(-1);
+            }
+
+            if (option === 'aggressive') {
+                level = 3;
+            }
+
+            if (option === 'minimal') {
+                level = 1;
+            }
+
+            return;
+        }
+    }
+    if (typeof fname !== 'undefined') {
+        console.log('Please only specify one filename!');
+        console.log();
+        system.exit(-1);
+    }
+    fname = arg;
+});
+
+
+if (typeof fname === 'undefined') {
+    help();
+}
+
+try {
+    code = system.readFile(fname);
+    result = jsmin('', code, level);
+    console.log(result);
+} catch (e) {
+    console.log(e);
+}

jsmin/Settings.js

@@ -0,0 +1,5 @@
+var settings = {
+    'conversative': 'The default, removes comments and unnecessary whitespace.',
+    'minimal': 'Like conversative but keeps single linefeeds.',
+    'aggressive': 'Like conversative but removes more linefeeds (dangerous!)',
+};

jsmin/jsmin.cpp

@@ -0,0 +1,33 @@
+/*
+    Copyright (C) 2011 Ariya Hidayat.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+
+#include "jsmin_script.h"
+
+extern void eightpack_run(int argc, char** argv, const char* cmd);
+
+int main(int argc, char* argv[])
+{
+    eightpack_run(argc, argv, jsmin_script);
+    return 0;
+}
+