s.java

emacs的一个非常有用的插件,叫xrefactory,可以实现source insight里的那种函数跳转.和cscope(跳回来不方便)配合使用,非常的不错.

package com.xrefactory.jedit;

import org.gjt.sp.jedit.*;
import org.gjt.sp.jedit.textarea.*;
import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.io.*;
import org.gjt.sp.jedit.gui.*;
import org.gjt.sp.jedit.io.*;
import org.gjt.sp.jedit.help.*;
import java.net.*;
import java.awt.event.*;
import javax.swing.border.*;

public class s {

	public static boolean debug = false;

	public static class Position {
		View 		view;
		String 		file;
		int			offset;
		Position(View view, String file, int offset) {
			this.view=view; this.file=file; this.offset=offset;
		}
	}

	public static class FocusRequester implements Runnable {
		Component component;
		public void run() {
			component.requestFocus();
		}
		FocusRequester(Component component) {
			this.component = component;
		}
	}

	public static class MessageDisplayer implements Runnable {
		String message;
		boolean temporary;
		public void run() {
			if (view!=null && view.getStatus()!=null) {
				if (temporary) {
					view.getStatus().setMessageAndClear(message);
				} else {
					view.getStatus().setMessage(message);
				}
			}
		}
		MessageDisplayer(String message, boolean temporary) {
			this.message = message;
			this.temporary = temporary;
		}
	}

	public static class TagReportDisplayer implements Runnable {
		String 		report;
		Component 	caller;
		public void run() {
			JDialog pp = getParentDialog(caller);
			if (pp!=null) {
				new TagReportDialog(report, pp);
			} else {
				JFrame ff = getParentFrame(caller);
				new TagReportDialog(report, ff);
			}
		}
		TagReportDisplayer(String report, Component caller) {
			this.report = report;
			this.caller = caller;
		}
	}

	public static final String xrefRegistrationUrl = "http://www.xref-tech.com/license.html";
	public static final String xrefTaskDirUrl = "http://www.xref-tech.com/xrefactory/downloads/jedit/";
	public static final String dockableClassTreeWindowName = "xrefactory.class-tree-viewer";
	public static final String dockableUrlBrowserWindowName = "xrefactory.urlviewer";
	public static final String dockableBrowserWindowName = "xrefactory.browser";
	public static final String dockableRetrieverWindowName = "xrefactory.retriever";

	public static final String tryInstallXrefOption = "xrefactory.try-install-xref.prop";
	public static final String configurationFileOption = "xrefactory.configuration-file.prop";
	// options
	public static final String optCompletionFgColor = "xrefactory.completion-fgcolor";
	public static final String optCompletionSymbolFgColor = "xrefactory.completion-symbol-fgcolor";
	public static final String optCompletionBgColor = "xrefactory.completion-bgcolor";
	public static final String optCompletionBgColor2 = "xrefactory.completion-bgcolor2";
	public static final String optCompletionFont = "xrefactory.completion-font";
	public static final String optCompletionSymbolFont = "xrefactory.completion-symbol-font";
	public static final String optCompletionFqtLevel = "xrefactory.completion-fqtlevel";
	public static final String optCompletionCaseSensitive = "xrefactory.completion-cases";
	public static final String optCompletionDelPendingId = "xrefactory.completion-del-pending-id";
	public static final String optCompletionInsParenthesis = "xrefactory.completion-ins-parenthesis";
	public static final String optCompletionOldDialog = "xrefactory.completion-old-dialog";
	public static final String optBrowserFgColor = "xrefactory.browser-fgcolor";
	public static final String optBrowserBgColor = "xrefactory.browser-bgcolor";
	public static final String optBrowserSelectionColor = "xrefactory.browser-selcolor";
	public static final String optBrowserSymbolColor = "xrefactory.browser-symcolor";
	public static final String optBrowserNmSymbolColor = "xrefactory.browser-nmsymcolor";
	public static final String optBrowserFont = "xrefactory.browser-font";
	public static final String optBrowserToolBarPos = "xrefactory.browser-toolbar-position";
	public static final String optBrowserSrcWithRefs = "xrefactory.browser-src-code-in-references";
	public static final String optBrowserPickButton = "xrefactory.browser-pick-button";
	public static final String optBrowserRetrieveButton = "xrefactory.browser-retrieve-button";
	public static final String optRetrieverFgColor = "xrefactory.retriever-fgcolor";
	public static final String optRetrieverBgColor = "xrefactory.retriever-bgcolor";
	public static final String optRetrieverFont = "xrefactory.retriever-font";
	public static final String optRetrieverSearchButton = "xrefactory.retriever-search";
	public static final String optRetrieverBackButton = "xrefactory.retriever-back";
	public static final String optRetrieverForwardButton = "xrefactory.retriever-forward";
	public static final String optRefactoryCommentMovingLevel = "xrefactory.refactoring-comment-move";
	public static final String optRefactoryPreferImportOnDemand = "xrefactory.refactoring-imports-on-demand";


	//
	public static final String projectAutoDetectionName = "None (Automatic Project Detection)";
	public static final String answerNoAndDoNotAskAnymore ="No and do not display this dialog anymore";
	public static final String xrefTmpFilesPrefix = "xrefactory";
	public static final String xrefTmpFilesSuffix = ".tmp";
	public static final String xrefLogFileSingleName = "xrefactory.log";

	public static String tagFilesDirectory = "/";
	public static String tagProcessingReportFile = null;

	public static final int MAX_COMPLETION_HISTORY = 100;
	public static final int MAX_FILE_SIZE_FOR_READ =   20000000;
	public static final int MAX_FILE_SIZE_FOR_REPORT =  2000000;
	public static final int XREF_MAX_TREE_DEEP = 500;
	public static final int XREF_DOWNLOAD_BUFFER_SIZE = 1024;
	public static final String XREF_NON_MEMBER_SYMBOL_NAME = "NOT MEMBER SYMBOLS";
	// this is the only entry point to jEdit!
	public static View view;
	public static String activeProject;

	// this is the entry point on currently opened browsing dialog
	public static BrowserTopPanel 							xbrowser=null;
	public static HelpViewer 								xHelpViewer=null;
	public static ExtractMethodDialog.ExtractMethodPanel 	xExtractMethod=null;

	public static String			completionIdAfterCaret;
	public static String			completionIdBeforeCaret;

	
	public static String targetFile = "";
	public static int targetLine = 0;

	public static boolean panic = false;
	public static boolean xrefTaskYetChecked = false;

	public static BrowserTask xbTask = null;
	
	public static String xrefTaskUrl;
	public static String rootDir;
	public static String slash;
	public static String classPathSeparator;
	public static String pluginInstallationPath;
	public static String tmpDirectoryPath;
	public static String osName;
	public static String archName;
	public static String jdkClassPath;
	public static String javaHome;
	public static String homeDir;
	public static String configurationFile;
	public static String xrefTaskPath;
	public static String javaVersion;

	public static int currentTmpFileCounter = 0;
	public static int tmpFileStep = 1;

	public static final int OS_OTHER 		= 0;
	public static final int OS_WINDOWS 		= 1;
	public static final int OS_OS2	 		= 2;
	public static int osCode = OS_OTHER;

	public static Color light_gray = new Color(0xd0, 0xd0, 0xd0);
	public static Color completionBgDefaultColor = new Color(255,240,200);
	public static Color completionBgDefaultColor2 = new Color(235,220,180);
	public static Color completionSelectionColor = new Color(200,200,255);
	

	public static Font defaultFont = new Font("Monospaced", Font.PLAIN, 12);
	public static Font defaultComplSymFont = new Font("Monospaced", Font.BOLD, 12);
	public static Font browserDefaultFont = new Font(null, Font.PLAIN, 10);
	public static Font optionsBrowseButtonFont = new Font(null, Font.PLAIN, 10);

	// clas tree fonts and colors
	public static Font ctTopLevelFont = new Font(null, Font.PLAIN, 12);
	public static Font ctItalicBoldFont = new Font(null, Font.BOLD|Font.ITALIC, 10);
	public static Font ctItalicFont = new Font(null, Font.ITALIC, 10);
	public static Font ctBoldFont = new Font(null, Font.BOLD, 10);
	public static Font ctNormalFont = new Font(null, Font.PLAIN, 10);

	public static Color ctBgColor = Color.white;
	public static Color ctFgColor = Color.black;
	public static Color ctSelectionColor = Color.blue;
	public static Color ctSymbolColor = Color.red;
	public static Color ctNmSymbolColor = s.light_gray;


	public static EmptyBorder emptyBorder = new EmptyBorder(0,0,0,0);

	//
	public static void setupCtreeFontsAndColors() {
		Font res = jEdit.getFontProperty(s.optBrowserFont,  ctNormalFont);
		ctNormalFont = new Font(res.getName(), Font.PLAIN, res.getSize());
		ctBoldFont = new Font(res.getName(), Font.BOLD, res.getSize());
		ctItalicFont = new Font(res.getName(), Font.ITALIC, res.getSize());
		ctItalicBoldFont = new Font(res.getName(), Font.ITALIC | Font.BOLD, res.getSize());
		ctTopLevelFont = new Font(res.getName(), Font.BOLD, res.getSize()+2);

		ctBgColor = jEdit.getColorProperty(s.optBrowserBgColor, ctBgColor);
		ctFgColor = jEdit.getColorProperty(s.optBrowserFgColor, ctFgColor);
		ctSelectionColor = jEdit.getColorProperty(s.optBrowserSelectionColor, ctSelectionColor);
		ctSymbolColor = jEdit.getColorProperty(s.optBrowserSymbolColor, ctSymbolColor);
		ctNmSymbolColor = jEdit.getColorProperty(s.optBrowserNmSymbolColor, ctNmSymbolColor);
	}

	public static void updateBrowserVisage() {
		View [] vs = jEdit.getViews();
		for(int i=0; i<vs.length; i++) {
			BrowserTopPanel bb = getBrowser(vs[i]);
			if (bb!=null) {
				bb.referencesPanel.reflist.setBackground(ctBgColor);
				bb.referencesPanel.reflist.setForeground(ctFgColor);
				bb.referencesPanel.reflist.setFont(ctNormalFont);
				bb.treePanel.xtree.setBackground(ctBgColor);
			}
			DockableBrowser db = getDockableBrowser(vs[i]);
			if (db!=null) {
				db.repositionToolBar();
			}
			DockableClassTree ct = getClassTreeViewer(vs[i]);
			if (ct!=null) {
				ct.repositionToolBar();
				ct.tree.setBackground(ctBgColor);
			}
		}
	}

	//
	static public File getNewTmpFileName() {
		File res;
		assertt(tmpFileStep!=0);
		do {
			res = new File(tmpDirectoryPath 
						   + xrefTmpFilesPrefix 
						   + currentTmpFileCounter
						   + xrefTmpFilesSuffix);
			currentTmpFileCounter += tmpFileStep;
		} while (res.exists());
		return(res);
	}

	static class tmpFileNameFilter implements FileFilter {
		long offset;
		public boolean accept(File f) {
			String name = f.getName();
			int len = name.length();
			//&System.err.println("checking filername " + name + " == " + f.getAbsolutePath());
			if (len>10 
				&& name.substring(0, xrefTmpFilesPrefix.length()).equals(xrefTmpFilesPrefix)
				&& name.substring(len-xrefTmpFilesSuffix.length()).equals(xrefTmpFilesSuffix)) {
				long testtime = System.currentTimeMillis()-offset;
				//&System.err.println("checking " + f.lastModified() + " to " + testtime);
				if (f.lastModified() < testtime) {
					return(true);
				}
			}
			return(false);
		}
		tmpFileNameFilter(long offset) {
			this.offset = offset;
		}
	}
	static public void cleanOldTmpFiles() {
		File tmp = new File(tmpDirectoryPath);
		File[] files = tmp.listFiles(new tmpFileNameFilter(48L*60*60*1000));
		if (files.length > 0) {
			int confirm = JOptionPane.showConfirmDialog(null, "There are some old temporary files generated by Xrefactory, can I delete them?", "Xrefactory temporary files", JOptionPane.YES_NO_OPTION);
			if (confirm == JOptionPane.YES_OPTION) {
				files = tmp.listFiles(new tmpFileNameFilter(24L*60*60*1000));
				for(int i=0; i<files.length; i++) {
					//&System.err.println("deleting " + files[i].getAbsolutePath());
					files[i].delete();
				}
			}
		}
	}

	public static boolean browserIsDisplayed() {
		return(view.getDockableWindowManager().isDockableWindowVisible(
			dockableBrowserWindowName));
		//&return(xbrowser!=null && xbrowser.isShowing());
	}
	public static boolean browserIsDisplayed(Component cc) {
		View v = getParentView(cc);
		return(v.getDockableWindowManager().isDockableWindowVisible(
			dockableBrowserWindowName));
		//&return(xbrowser!=null && xbrowser.isShowing());
	}

	public static DockableClassTree getClassTreeViewer(View view) {
	    return((DockableClassTree)view.getDockableWindowManager().getDockable(dockableClassTreeWindowName));
	}

	public static DockableBrowser getDockableBrowser(View view) {
	    DockableBrowser db = (DockableBrowser) view.getDockableWindowManager().getDockable(dockableBrowserWindowName);
		return db;
	}
	
	public static BrowserTopPanel getBrowser(View view) {
	    DockableBrowser db = (DockableBrowser) view.getDockableWindowManager().getDockable(dockableBrowserWindowName);
	    if (db != null) return(db.browser); 
		return xbrowser;
	}
	
	public static void beforePushBrowserFiltersUpdates() {
		Opt.browserTreeFilter = 2;
		if (! Opt.referencePushingsKeepBrowserFilter()) {
			Opt.browserRefListFilter = 0;
		}
	}
	
	public static void browserNeedsToUpdate(View view) {
		BrowserTopPanel browser = getBrowser(view);
		if (browser!=null) browser.needToUpdate();
	}

	public static void showAndUpdateBrowser(View view) {
		view.getDockableWindowManager().showDockableWindow(dockableBrowserWindowName);
		browserNeedsToUpdate(view);
	}

	// TODO all this stuff should be parametrized by view
	public static String getFileName() {
		return(view.getBuffer().getPath());
	}

	public static int getCaretPosition() {
		return(view.getTextArea().getCaretPosition());
	}

	public static JEditTextArea getTextArea() {
		return(view.getTextArea());
	}

	public static Buffer getBuffer() {
		return(view.getBuffer());
	}

	// TODO, you should skip commentaries here!
	public static String inferDefaultSourcePath() {
		int i,j, count;
		char cc;
		File ff = new File(getBuffer().getPath()).getParentFile();
		String path = ff.getAbsolutePath();
		String pp = getTextArea().getText();
		if (pp.length()>7 && pp.substring(0,7).equals("package")) {
			i = "package".length();
		} else {
			i = pp.indexOf("\npackage");
			if (i== -1) return(path);
			i += "\npackage".length();
		}
		while (Character.isSpaceChar(pp.charAt(i))) i++;
		j=i; count=0;
		while (Character.isLetterOrDigit((cc=pp.charAt(j)))
			   || Character.isSpaceChar(cc)
			   || cc=='.') {
			if (Character.isLetterOrDigit(cc) || cc=='.') count++;
			j++;
		}
		if (count >= path.length()) return(path);
		int ressize = path.length()-count;
		while (ff.getAbsolutePath().length() > ressize) {
			ff = ff.getParentFile();
		}
		return(ff.getAbsolutePath());
	}

	public static void fileSetExecPermission(String fname) {
		if (osName.toLowerCase().indexOf("linux") != -1
			|| osName.toLowerCase().indexOf("sunos") != -1
			|| osName.toLowerCase().indexOf("mac-os-x") != -1
			|| osName.toLowerCase().indexOf("unix") != -1) {
			String[] chmodcmd = {"chmod", "a+x", fname};
			try {
				Runtime.getRuntime().exec(chmodcmd);
			} catch (Exception e) {}
		}
	}

	public static void downloadXrefTask(String url, String file) {
		int n, progressi, progressn;
		if (debug) System.err.println("Downloading "+url+" into "+file);
		Progress progress = Progress.crNew(null, "Downloading xref task");
		FileOutputStream oo = null;
		InputStream ii = null;
		try {
			URLConnection con = new URL(url).openConnection();
			ii = con.getInputStream();
			File of = new File(file);
			if (! of.getParentFile().exists()) {
				of.getParentFile().mkdir();
			}
			oo = new FileOutputStream(of);
			byte buffer[] = new byte[XREF_DOWNLOAD_BUFFER_SIZE];
			progressi = 0; progressn = con.getContentLength();
			n = 1;
			while (n >= 0) {
				n = ii.read(buffer, 0, XREF_DOWNLOAD_BUFFER_SIZE);
				if (n > 0) {
					oo.write(buffer, 0, n);