/jEdit/tags/jedit-4-2-pre4/org/gjt/sp/jedit/search/HyperSearchRequest.java
Java | 281 lines | 198 code | 45 blank | 38 comment | 23 complexity | 963d59e41b51ce594c7e41230041370c MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * HyperSearchRequest.java - HyperSearch request, run in I/O thread
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 1998, 1999, 2000, 2001, 2002 Slava Pestov
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- package org.gjt.sp.jedit.search;
- //{{{ Imports
- import javax.swing.text.Segment;
- import javax.swing.tree.*;
- import javax.swing.SwingUtilities;
- import org.gjt.sp.jedit.textarea.Selection;
- import org.gjt.sp.jedit.io.VFSManager;
- import org.gjt.sp.jedit.Buffer;
- import org.gjt.sp.jedit.GUIUtilities;
- import org.gjt.sp.jedit.jEdit;
- import org.gjt.sp.jedit.View;
- import org.gjt.sp.util.*;
- //}}}
- class HyperSearchRequest extends WorkRequest
- {
- //{{{ HyperSearchRequest constructor
- public HyperSearchRequest(View view, SearchMatcher matcher,
- HyperSearchResults results, Selection[] selection)
- {
- this.view = view;
- this.matcher = matcher;
- this.results = results;
- this.searchString = SearchAndReplace.getSearchString();
- this.rootSearchNode = new DefaultMutableTreeNode(searchString);
- this.selection = selection;
- } //}}}
- //{{{ run() method
- public void run()
- {
- setStatus(jEdit.getProperty("hypersearch-status"));
- SearchFileSet fileset = SearchAndReplace.getSearchFileSet();
- String[] files = fileset.getFiles(view);
- if(files == null || files.length == 0)
- {
- SwingUtilities.invokeLater(new Runnable()
- {
- public void run()
- {
- GUIUtilities.error(view,"empty-fileset",null);
- }
- });
- return;
- }
- setProgressMaximum(fileset.getFileCount(view));
- // to minimise synchronization and stuff like that, we only
- // show a status message at most twice a second
- // initially zero, so that we always show the first message
- long lastStatusTime = 0;
- try
- {
- if(selection != null)
- {
- Buffer buffer = view.getBuffer();
- searchInSelection(buffer);
- }
- else
- {
- int current = 0;
- loop: for(int i = 0; i < files.length; i++)
- {
- String file = files[i];
- current++;
- long currentTime = System.currentTimeMillis();
- if(currentTime - lastStatusTime > 250)
- {
- setProgressValue(current);
- lastStatusTime = currentTime;
- }
- Buffer buffer = jEdit.openTemporary(null,null,file,false);
- if(buffer == null)
- continue loop;
- doHyperSearch(buffer);
- };
- }
- }
- catch(final Exception e)
- {
- Log.log(Log.ERROR,this,e);
- SwingUtilities.invokeLater(new Runnable()
- {
- public void run()
- {
- GUIUtilities.error(view,"searcherror",
- new String[] { e.toString() });
- }
- });
- }
- catch(WorkThread.Abort a)
- {
- }
- finally
- {
- VFSManager.runInAWTThread(new Runnable()
- {
- public void run()
- {
- results.searchDone(rootSearchNode);
- }
- });
- }
- } //}}}
- //{{{ Private members
- //{{{ Instance variables
- private View view;
- private SearchMatcher matcher;
- private HyperSearchResults results;
- private DefaultMutableTreeNode rootSearchNode;
- private Selection[] selection;
- private String searchString;
- //}}}
- //{{{ searchInSelection() method
- private int searchInSelection(Buffer buffer) throws Exception
- {
- setAbortable(false);
- int resultCount = 0;
- try
- {
- buffer.readLock();
- for(int i = 0; i < selection.length; i++)
- {
- Selection s = selection[i];
- if(s instanceof Selection.Rect)
- {
- for(int j = s.getStartLine();
- j <= s.getEndLine(); j++)
- {
- resultCount += doHyperSearch(buffer,
- s.getStart(buffer,j),
- s.getEnd(buffer,j));
- }
- }
- else
- {
- resultCount += doHyperSearch(buffer,
- s.getStart(),s.getEnd());
- }
- }
- }
- finally
- {
- buffer.readUnlock();
- }
- setAbortable(true);
- return resultCount;
- } //}}}
- //{{{ doHyperSearch() method
- private int doHyperSearch(Buffer buffer)
- throws Exception
- {
- return doHyperSearch(buffer, 0, buffer.getLength());
- } //}}}
- //{{{ doHyperSearch() method
- private int doHyperSearch(Buffer buffer, int start, int end)
- throws Exception
- {
- setAbortable(false);
- final DefaultMutableTreeNode bufferNode = new DefaultMutableTreeNode(
- buffer.getPath());
- int resultCount = doHyperSearch(buffer,start,end,bufferNode);
- if(resultCount != 0)
- {
- rootSearchNode.insert(bufferNode,rootSearchNode.getChildCount());
- }
- setAbortable(true);
- return resultCount;
- } //}}}
- //{{{ doHyperSearch() method
- private int doHyperSearch(Buffer buffer, int start, int end,
- DefaultMutableTreeNode bufferNode)
- {
- int resultCount = 0;
- try
- {
- buffer.readLock();
- boolean endOfLine = (buffer.getLineEndOffset(
- buffer.getLineOfOffset(end)) - 1 == end);
- Segment text = new Segment();
- int offset = start;
- int line = -1;
- loop: for(int counter = 0; ; counter++)
- {
- boolean startOfLine = (buffer.getLineStartOffset(
- buffer.getLineOfOffset(offset)) == offset);
- buffer.getText(offset,end - offset,text);
- SearchMatcher.Match match = matcher.nextMatch(
- new CharIndexedSegment(text,false),
- startOfLine,endOfLine,counter == 0,
- false);
- if(match == null)
- break loop;
- int matchStart = offset + match.start;
- int matchEnd = offset + match.end;
- offset += match.end;
- int newLine = buffer.getLineOfOffset(offset);
- if(line == newLine)
- {
- // already had a result on this
- // line, skip
- continue loop;
- }
- line = newLine;
- resultCount++;
- bufferNode.add(new DefaultMutableTreeNode(
- new HyperSearchResult(buffer,line,
- matchStart,matchEnd),false));
- }
- }
- finally
- {
- buffer.readUnlock();
- }
- return resultCount;
- } //}}}
- //}}}
- }