| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.intellij.formatting; |
| |
| import com.intellij.psi.codeStyle.CommonCodeStyleSettings; |
| import com.intellij.util.text.CharArrayUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| class IndentInside { |
| public int whiteSpaces = 0; |
| public int tabs = 0; |
| |
| public IndentInside() { |
| } |
| |
| public IndentInside(int whiteSpaces, int tabs) { |
| this.whiteSpaces = whiteSpaces; |
| this.tabs = tabs; |
| } |
| |
| public boolean equals(final Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| final IndentInside indent = (IndentInside)o; |
| |
| if (tabs != indent.tabs) return false; |
| return whiteSpaces == indent.whiteSpaces; |
| } |
| |
| public int hashCode() { |
| int result; |
| result = whiteSpaces; |
| result = 29 * result + tabs; |
| return result; |
| } |
| |
| public int getTabsCount(final CommonCodeStyleSettings.IndentOptions options) { |
| final int tabsFromSpaces = whiteSpaces / options.TAB_SIZE; |
| return tabs + tabsFromSpaces; |
| } |
| |
| public int getSpacesCount(final CommonCodeStyleSettings.IndentOptions options) { |
| return whiteSpaces + tabs * options.TAB_SIZE; |
| } |
| |
| @NotNull |
| static IndentInside getLastLineIndent(@NotNull final CharSequence text) { |
| CharSequence lastLine = getLastLine(text); |
| return createIndentOn(lastLine); |
| } |
| |
| @NotNull |
| static IndentInside createIndentOn(@Nullable final CharSequence lastLine) { |
| final IndentInside result = new IndentInside(); |
| if (lastLine == null) { |
| return result; |
| } |
| for (int i = 0; i < lastLine.length(); i++) { |
| if (lastLine.charAt(i) == ' ') result.whiteSpaces += 1; |
| if (lastLine.charAt(i) == '\t') result.tabs += 1; |
| } |
| return result; |
| } |
| |
| @NotNull |
| static CharSequence getLastLine(@NotNull final CharSequence text) { |
| int i = CharArrayUtil.shiftBackwardUntil(text, text.length() - 1, "\n"); |
| if (i < 0) { |
| return text; |
| } |
| else if (i >= text.length() - 1) { |
| return ""; |
| } |
| else { |
| return text.subSequence(i + 1, text.length()); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("spaces: %d, tabs: %d", whiteSpaces, tabs); |
| } |
| } |