feat: scripts

scripts/runjshelp.js

@@ -0,0 +1,161 @@
+#! /usr/bin/env runjs
+var System = java.lang.System;
+var JarFile = java.util.jar.JarFile;
+var StringUtil = Packages.me.hatter.tools.commons.string.StringUtil;
+var StandaloneMainInteractive = Packages.me.hatter.tools.jssp.main.StandaloneMainInteractive;
+var ConsoleReadTool = Packages.me.hatter.tools.commons.console.ConsoleReadTool;
+var ClassLoaderUtil = Packages.me.hatter.tools.commons.classloader.ClassLoaderUtil;
+var ReflectUtil = Packages.me.hatter.tools.commons.reflect.ReflectUtil;
+
+var searchClasses = (systemClassLoader) => {
+  var classes = [];
+  $ARRAY(systemClassLoader.getURLs()).forEach((u) => {
+    var jarFile = new JarFile(u.getFile());
+    var jarEntryEnum = jarFile.entries();
+    while (jarEntryEnum.hasMoreElements()) {
+      var jarFileEntry = jarEntryEnum.nextElement();
+      var jarFileEntryName = jarFileEntry.getName();
+      if (jarFileEntryName.endsWith('.class')) {
+        classes.push(jarFileEntryName);
+      }
+    }
+  });
+  return classes;
+};
+
+var convertFileNameToClasName = (c) => {
+  if (c.endsWith('.class')) {
+    c = c.substring(0, c.length - 6);
+  }
+  if (c.contains('/')) {
+    c = c.replace(/\//g, '.');
+  }
+  return c;
+};
+
+var getShortClassName = (c) => {
+  var lastDot = c.lastIndexOf('.');
+  return c.substring(lastDot + 1);
+};
+
+var isMatchCommandFilter = (c, fullCommandLines) => {
+  if (fullCommandLines.length > 1) {
+    for (var i = 1; i < fullCommandLines.length; i++) {
+      var filterCmd = fullCommandLines[i];
+      var isMatchShortClassName = filterCmd.startsWith('S');
+      filterCmd = filterCmd.substring(1);
+      var matchClassName = isMatchShortClassName? getShortClassName(convertFileNameToClasName(c)): c;
+      if (!matchClassName.toLowerCase().contains(filterCmd.toLowerCase())) {
+        return false;
+     }
+    }
+  }
+  return true;
+};
+
+var main = () => {
+  StandaloneMainInteractive.initJLine();
+  var systemClassLoader = ClassLoaderUtil.getSystemClassLoader();
+
+  ConsoleReadTool.from('usage> ').loop((ln) => {
+    var fullCommandLine = $STR(ln);
+    var fullCommandLines = fullCommandLine.split(/\s+/);
+    var cmd = fullCommandLines[0];
+    if ($$.asList('ls', 'll', 'list').contains(cmd)) {
+      $ARRAY(systemClassLoader.getURLs()).forEach((u) => {
+        println(u);
+      });
+    } else if ($$.asList('exit', 'quit').contains(cmd)) {
+      println('+ Bye!');
+      System.exit(0);
+    } else if ($$.asList('desc', 'describe').contains(cmd)) {
+      if (fullCommandLines.length == 1) {
+        println('Cmd format error.')
+      } else {
+        var c = convertFileNameToClasName(fullCommandLines[1]);
+        try {
+          var cls = $$.clazz(c);
+          var fields = $ARRAY(ReflectUtil.getDeclaredFields(cls));
+          if (fields && (fields.length > 0)) {
+            println('Field(s):');
+            fields.forEach((f) => {
+              println('    ' + f);
+            });
+          }
+          var methods = $ARRAY(ReflectUtil.getDeclaredMethods(cls));
+          if (methods && (methods.length > 0)) {
+            println('Method(s):');
+            methods.forEach((m) => {
+              println('    ' + m);
+            });
+          }
+        } catch (e) {
+          println('Error in desc : ' + c);
+        }
+      }
+    } else if ($$.asList('search').contains(cmd)) {
+      searchClasses(systemClassLoader).forEach((c) => {
+        if (!isMatchCommandFilter(c, fullCommandLines)) {
+          return;
+        }
+        println(c);
+      });
+    } else if ($$.asList('import').contains(cmd)) {
+      searchClasses(systemClassLoader).forEach((c) => {
+        if (!isMatchCommandFilter(c, fullCommandLines)) {
+          return;
+        }
+        var className = convertFileNameToClasName(c);
+        var showClassName = getShortClassName(className);
+        println('var ' + showClassName + ' = ' + (className.startsWith('java.')? '': 'Packages.') + className + ';');
+      });
+    } else if ($$.asList('require').contains(cmd)) {
+      if (fullCommandLines.length == 1) {
+        println('Cmd format error.');
+      } else {
+        for (var i = 1; i < fullCommandLines.length; i++) {
+          requireJAR(fullCommandLines[i]);
+        }
+      }
+    } else if ($$.asList('tree').contains(cmd)) {
+      var classMap = $$.treeMap();
+      searchClasses(systemClassLoader).forEach((c) => {
+        if (!isMatchCommandFilter(c, fullCommandLines)) {
+          return;
+        }
+        var className = c.substring(0, c.length - 6);
+        var classNames = className.split('\/');
+        var baseMap = classMap;
+        $ARRAY(classNames).forEach((p) => {
+          var m = baseMap.get(p);
+          if (m == null) {
+            m = $$.treeMap();
+            baseMap.put(p, m);
+          }
+          baseMap = m;
+        });
+      });
+      var depth = 0;
+      var printMap = (m) => {
+        $ARRAY(m.keySet()).forEach((p) => {
+          var m2 = m.get(p);
+          var hasSub = (m2 != null) && (!m2.isEmpty());
+          println(StringUtil.repeat(' ', depth) + p + (hasSub? '.': ''));
+          if (hasSub) {
+            depth += p.length + 1;
+            printMap(m2);
+            depth -= p.length + 1;
+          }
+        });
+      };
+      println(classMap.size());
+      printMap(classMap);
+    } else {
+      if (cmd != '') {
+        println('Unknow command: ' + cmd);
+      }
+    }
+  });
+};
+
+main();