--- /dev/null
+// CommandLine.java\r
+// $Id: CommandLine.java,v 1.1 2010/06/15 12:26:30 smhuang Exp $\r
+// (c) COPYRIGHT MIT and INRIA, 2002.\r
+// Please first read the full copyright statement in file COPYRIGHT.html\r
+\r
+package org.w3c.tools.offline.command;\r
+\r
+import java.io.StringReader;\r
+import java.io.StreamTokenizer;\r
+import java.io.IOException;\r
+import java.util.Vector;\r
+\r
+\r
+import org.apache.oro.text.regex.Perl5Matcher;\r
+import org.apache.oro.text.regex.Perl5Compiler;\r
+import org.apache.oro.text.regex.Pattern;\r
+import org.apache.oro.text.regex.MalformedPatternException;\r
+\r
+/**\r
+ * <p>The jigshell command line class.\r
+ */\r
+public class CommandLine {\r
+\r
+ /** static members: jigshell commands syntax */\r
+ public static String WHERE = "where";\r
+ public static String LIST = "list";\r
+ public static String GO = "go" ;\r
+ public static String REC = "r" ;\r
+ public static String ATTR = "a" ;\r
+ public static String UP = ".." ;\r
+\r
+ public static String NO_OPT = "none" ;\r
+\r
+ /* private class members */\r
+ private String cmd = null ;\r
+ private String action = null ;\r
+ private String target = null ;\r
+ private String option = NO_OPT ;\r
+\r
+ /** \r
+ * a Vector to handle elements of a parsed command\r
+ */\r
+ protected Vector parsedCmd ;\r
+\r
+ /* protected static members */\r
+ protected static Perl5Matcher pmatcher = new Perl5Matcher() ;\r
+ protected static Perl5Compiler pcompiler = new Perl5Compiler() ;\r
+ protected static Pattern srPattern ;\r
+\r
+\r
+ /** \r
+ * Initialize a CommandLine instance. \r
+ * @param s the command line.\r
+ */\r
+ public CommandLine(String s){\r
+ try {\r
+ cmd = s ;\r
+ parsedCmd = new Vector ();\r
+ srPattern = pcompiler.compile(\r
+ "^s/[\\w|=|\\*|\\-|\\\\/]+?/[\\w|\\-|\\\\/]+/$",\r
+ Perl5Compiler.DEFAULT_MASK);\r
+ }\r
+ catch (org.apache.oro.text.regex.MalformedPatternException ex){\r
+ ex.printStackTrace();\r
+ }\r
+ }\r
+\r
+\r
+ /** \r
+ * Parse a CommandLine instance. \r
+ */\r
+ public void parse() throws CommandParseException {\r
+\r
+ StringReader r = new StringReader(cmd) ;\r
+ StreamTokenizer st = new StreamTokenizer(r);\r
+\r
+ st.ordinaryChar('.');\r
+ //equivalent to (ascii codes): st.wordChars(33,44)\r
+ st.wordChars('!',',');\r
+ //equivalent to: st.wordChars(46,47)\r
+ st.wordChars('.','/');\r
+ st.wordChars('=','=');\r
+ //equivalent to: st.wordChars(63,64)\r
+ st.wordChars('?','@');\r
+ //equivalent to: st.wordChars(91,96)\r
+ st.wordChars('[','`');\r
+\r
+ try {\r
+ while (st.nextToken() != st.TT_EOF){\r
+ if (st.ttype == st.TT_WORD){\r
+ parsedCmd.addElement(new String(st.sval));\r
+ }\r
+ if (st.ttype == '-'){\r
+ parsedCmd.addElement(new String("-"));\r
+ }\r
+ if (st.ttype == st.TT_NUMBER){\r
+ }\r
+ }\r
+ }\r
+ catch (IOException e){\r
+ throw new CommandParseException() ;\r
+ }\r
+\r
+ switch (parsedCmd.size()){\r
+ case 0:\r
+ break;\r
+ case 1: // simple command\r
+ action = (String)parsedCmd.elementAt(0);\r
+ if (action.compareTo(LIST) ==0 ||\r
+ action.compareTo(WHERE) == 0){\r
+ target = ".*"; \r
+ }\r
+ else {\r
+ throw new CommandParseException() ;\r
+ }\r
+ break;\r
+\r
+ default : // more than 1 element in the command line\r
+ action = (String)parsedCmd.elementAt(0);\r
+ if ( isaReplaceAction(action) == true ||\r
+ action.compareTo(LIST)==0 ||\r
+ action.compareTo(GO)==0){\r
+\r
+ boolean isOption = false ;\r
+ for (int i = 1 ; i < parsedCmd.size() ; i++){\r
+ String curWord = (String)parsedCmd.elementAt(i);\r
+ // System.out.println(curWord+" "+option);\r
+ if (isOption){\r
+ /* we already met an option modifier, we're \r
+ waiting for an option */\r
+ isOption = false ;\r
+ if (curWord.compareTo(REC) == 0 \r
+ || curWord.compareTo(ATTR) == 0 \r
+ || curWord.compareTo(REC+ATTR) == 0\r
+ || curWord.compareTo(ATTR+REC) == 0 ){\r
+ option = curWord ;\r
+ } else {\r
+ // unknown option\r
+ System.out.println("option discarded "+curWord);\r
+ }\r
+ } else {\r
+ /* beginning of an option (modifier) */\r
+ if (curWord.compareTo("-")==0){\r
+ isOption = true ;\r
+ } else { \r
+ /* we're not waiting for an option so\r
+ it's the command target */\r
+ target = curWord ;\r
+ break ;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ else {\r
+ throw new CommandParseException() ;\r
+ }\r
+ if (target == null){\r
+ throw new CommandParseException() ;\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Get the command line action\r
+ * @return the string action (should be a jigshell action).\r
+ */\r
+ public String getAction(){ \r
+ return (action) ;\r
+ }\r
+\r
+ /**\r
+ * Get the command target \r
+ * @return the string target (should be a name or regexp).\r
+ */\r
+ public String getTarget(){\r
+ return (target) ;\r
+ }\r
+\r
+ /**\r
+ * Get the command option \r
+ * @return the command option ("none" if no option specified in\r
+ * the command line).\r
+ */\r
+ public String getOption(){\r
+ return (option) ;\r
+ }\r
+\r
+ /* check whether a string is a s/truc/chose/ regexp. */\r
+ private boolean isaReplaceAction(String s){\r
+ \r
+ \r
+ if (pmatcher.matches(s, srPattern)){\r
+ return true ;\r
+ }\r
+ return false ;\r
+ }\r
+}\r
projects / Benchmarks_CSolver.git / blobdiff