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Added to support search and replace related commands

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This commit is contained in:
rmaddy 2003-04-20 19:16:20 +00:00
parent 32de6d3983
commit aad2a65678
1 changed files with 187 additions and 0 deletions

187
src/com/maddyhome/idea/vim/group/SearchGroup.java Normal file
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package com.maddyhome.idea.vim.group;
/*
* IdeaVim - A Vim emulator plugin for IntelliJ Idea
* Copyright (C) 2003 Rick Maddy
*
* 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 (at your option) 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.
*/
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.util.TextRange;
import com.maddyhome.idea.vim.helper.EditorHelper;
import java.nio.CharBuffer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
*
*/
public class SearchGroup extends AbstractActionGroup
{
public static final int KEEP_FLAGS = 1;
public static final int CONFIRM = 2;
public static final int IGNORE_ERROR = 4;
public static final int GLOBAL = 8;
public static final int IGNORE_CASE = 16;
public static final int NO_IGNORE_CASE = 32;
public static final int PRINT = 64;
public static final int REUSE = 128;
public SearchGroup()
{
}
public boolean searchAndReplace(Editor editor, DataContext context, TextRange range, String pattern, String replace,
int flags)
{
boolean res = true;
if ((flags & KEEP_FLAGS) != 0)
{
flags |= lastFlags;
}
lastFlags = flags;
// TODO - default case sensitivity
int pflags = Pattern.MULTILINE;
if ((flags & IGNORE_CASE) != 0)
{
pflags |= Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE;
}
Pattern sp;
if (pattern.length() == 0)
{
if ((flags & REUSE) != 0)
{
sp = lastSearch;
}
else
{
sp = lastPattern;
}
}
else
{
sp = Pattern.compile(pattern, pflags);
}
lastSearch = sp;
lastPattern = sp;
if (replace.equals("~"))
{
replace = lastReplace;
}
else
{
lastReplace = replace;
}
int start = range.getStartOffset();
int end = range.getEndOffset();
logger.debug("search range=[" + start + "," + end + "]");
logger.debug("pattern="+pattern + ", replace="+replace);
int from = 0;
int lastMatch = -1;
boolean found = true;
int lastLine = -1;
while (found)
{
char[] chars = editor.getDocument().getChars();
CharBuffer buf = CharBuffer.wrap(chars, start, end - start);
logger.debug("buf=" + buf);
Matcher matcher = sp.matcher(buf);
found = matcher.find(from);
if (found)
{
int spos = matcher.start();
int epos = matcher.end();
StringBuffer sb = new StringBuffer();
matcher.appendReplacement(sb, replace);
logger.debug("sb=" + sb);
String match = sb.substring(spos);
logger.debug("found match[" + spos + "," + epos + "] - replace " + match);
int line = editor.offsetToLogicalPosition(start + spos).line;
if ((flags & GLOBAL) != 0 || line != lastLine)
{
lastLine = line;
editor.getDocument().replaceString(start + spos, start + epos, match);
lastMatch = start + spos;
}
int diff = match.length() - (epos - spos);
end += diff;
from = epos + diff;
}
}
if (lastMatch != -1)
{
MotionGroup.moveCaret(editor, context,
CommandGroups.getInstance().getMotion().moveCaretToLineStartSkipLeading(editor,
editor.offsetToLogicalPosition(lastMatch).line));
}
return res;
}
public static int argsToFlags(String args)
{
int res = 0;
for (int i = 0; i < args.length(); i++)
{
switch (args.charAt(i))
{
case '&':
res |= KEEP_FLAGS;
break;
case 'c':
res |= CONFIRM;
break;
case 'e':
res |= IGNORE_ERROR;
break;
case 'g':
res |= GLOBAL;
break;
case 'i':
res |= IGNORE_CASE;
break;
case 'I':
res |= NO_IGNORE_CASE;
break;
case 'p':
res |= PRINT;
break;
case 'r':
res |= REUSE;
break;
}
}
return res;
}
private Pattern lastSearch;
private Pattern lastPattern;
private String lastReplace;
private int lastFlags;
private static Logger logger = Logger.getInstance(SearchGroup.class.getName());
}