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Java TreeUtil.prevLeaf方法代码示例

本文整理汇总了Java中com.intellij.psi.impl.source.tree.TreeUtil.prevLeaf方法的典型用法代码示例。如果您正苦于以下问题：Java TreeUtil.prevLeaf方法的具体用法？Java TreeUtil.prevLeaf怎么用？Java TreeUtil.prevLeaf使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.intellij.psi.impl.source.tree.TreeUtil的用法示例。


在下文中一共展示了TreeUtil.prevLeaf方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getMatchingLength

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static int getMatchingLength(@NotNull FileElement treeElement, @NotNull CharSequence text, boolean fromStart) {
  int patternIndex = fromStart ? 0 : text.length() - 1;
  int finalPatternIndex = fromStart ? text.length() - 1 : 0;
  int direction = fromStart ? 1 : -1;
  ASTNode leaf = fromStart ? TreeUtil.findFirstLeaf(treeElement, false) : TreeUtil.findLastLeaf(treeElement, false);
  int result = 0;
  while (leaf != null && (fromStart ? patternIndex <= finalPatternIndex : patternIndex >= finalPatternIndex)) {
    if (!(leaf instanceof ForeignLeafPsiElement)) {
      CharSequence chars = leaf.getChars();
      if (chars.length() > 0) {
        int matchingLength = getLeafMatchingLength(chars, text, patternIndex, finalPatternIndex, direction);
        result += matchingLength;
        if (matchingLength != chars.length()) {
          break;
        }
        patternIndex += (fromStart ? matchingLength : -matchingLength);
      }
    }
    leaf = fromStart ? TreeUtil.nextLeaf(leaf, false) : TreeUtil.prevLeaf(leaf, false);
  }
  return result;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:23，代码来源:DocumentCommitProcessor.java

示例2: markToReformatBeforeOrInsertWhitespace

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static void markToReformatBeforeOrInsertWhitespace(final ASTNode left, @NotNull final ASTNode right) {
  final Language leftLang = left != null ? PsiUtilCore.getNotAnyLanguage(left) : null;
  final Language rightLang = PsiUtilCore.getNotAnyLanguage(right);

  ASTNode generatedWhitespace = null;
  if (leftLang != null && leftLang.isKindOf(rightLang)) {
    generatedWhitespace = LanguageTokenSeparatorGenerators.INSTANCE.forLanguage(leftLang).generateWhitespaceBetweenTokens(left, right);
  }
  else if (rightLang.isKindOf(leftLang)) {
    generatedWhitespace = LanguageTokenSeparatorGenerators.INSTANCE.forLanguage(rightLang).generateWhitespaceBetweenTokens(left, right);
  }

  if (generatedWhitespace != null) {
    final TreeUtil.CommonParentState parentState = new TreeUtil.CommonParentState();
    TreeUtil.prevLeaf((TreeElement)right, parentState);
    parentState.nextLeafBranchStart.getTreeParent().addChild(generatedWhitespace, parentState.nextLeafBranchStart);
  }
  else {
    markToReformatBefore(right, true);
  }
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:22，代码来源:CodeEditUtil.java

示例3: calcBaseIndent

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
public static int calcBaseIndent(ASTNode chameleon) {
  final ASTNode prevLeaf = TreeUtil.prevLeaf(chameleon, true);
  if (prevLeaf == null) {
    return 0;
  }

  final CharSequence text = prevLeaf.getChars();
  int offset = text.length();

  int answer = 0;

  while (--offset > 0) {
    final char c = text.charAt(offset);
    if (c == '\n') {
      break;
    }
    if (c != ' ' && c != '\t') {
      answer = 0;
      break;
    }
    answer++;
  }
  return answer;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:25，代码来源:EmbeddingUtil.java

示例4: markToReformatBeforeOrInsertWhitespace

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static void markToReformatBeforeOrInsertWhitespace(final ASTNode left, @Nonnull final ASTNode right) {
  final Language leftLang = left != null ? PsiUtilCore.getNotAnyLanguage(left) : null;
  final Language rightLang = PsiUtilCore.getNotAnyLanguage(right);

  ASTNode generatedWhitespace = null;
  if (leftLang != null && leftLang.isKindOf(rightLang)) {
    generatedWhitespace = LanguageTokenSeparatorGenerators.INSTANCE.forLanguage(leftLang).generateWhitespaceBetweenTokens(left, right);
  }
  else if (rightLang.isKindOf(leftLang)) {
    generatedWhitespace = LanguageTokenSeparatorGenerators.INSTANCE.forLanguage(rightLang).generateWhitespaceBetweenTokens(left, right);
  }

  if (generatedWhitespace != null) {
    final TreeUtil.CommonParentState parentState = new TreeUtil.CommonParentState();
    TreeUtil.prevLeaf((TreeElement)right, parentState);
    parentState.nextLeafBranchStart.getTreeParent().addChild(generatedWhitespace, parentState.nextLeafBranchStart);
  }
  else {
    markToReformatBefore(right, true);
  }
}
开发者ID:consulo，项目名称:consulo，代码行数:22，代码来源:CodeEditUtil.java

示例5: getMatchingLength

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static int getMatchingLength(@Nonnull FileElement treeElement, @Nonnull CharSequence text, boolean fromStart) {
  int patternIndex = fromStart ? 0 : text.length() - 1;
  int finalPatternIndex = fromStart ? text.length() - 1 : 0;
  int direction = fromStart ? 1 : -1;
  ASTNode leaf = fromStart ? TreeUtil.findFirstLeaf(treeElement, false) : TreeUtil.findLastLeaf(treeElement, false);
  int result = 0;
  while (leaf != null && (fromStart ? patternIndex <= finalPatternIndex : patternIndex >= finalPatternIndex)) {
    if (!(leaf instanceof ForeignLeafPsiElement)) {
      CharSequence chars = leaf.getChars();
      if (chars.length() > 0) {
        int matchingLength = getLeafMatchingLength(chars, text, patternIndex, finalPatternIndex, direction);
        result += matchingLength;
        if (matchingLength != chars.length()) {
          break;
        }
        patternIndex += fromStart ? matchingLength : -matchingLength;
      }
    }
    leaf = fromStart ? TreeUtil.nextLeaf(leaf, false) : TreeUtil.prevLeaf(leaf, false);
  }
  return result;
}
开发者ID:consulo，项目名称:consulo，代码行数:23，代码来源:ChangedPsiRangeUtil.java

示例6: replaceWithPsiInLeaf

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
@Override
protected String replaceWithPsiInLeaf(TextRange textRange, String whiteSpace, ASTNode leafElement) {
  if (!myCanModifyAllWhiteSpaces) {
    if (AppleScriptPsiImplUtil.isWhiteSpaceOrNls(leafElement)) return null;
  }

  IElementType elementTypeToUse = TokenType.WHITE_SPACE;
  ASTNode prevNode = TreeUtil.prevLeaf(leafElement);
  if (prevNode != null && AppleScriptPsiImplUtil.isWhiteSpaceOrNls(prevNode)) {
    elementTypeToUse = prevNode.getElementType();
  }
  FormatterUtil.replaceWhiteSpace(whiteSpace, leafElement, elementTypeToUse, textRange);
  return whiteSpace;
}
开发者ID:ant-druha，项目名称:AppleScript-IDEA，代码行数:15，代码来源:AppleScriptFormattingModelBuilder.java

示例7: addChildren

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
public static ASTNode addChildren(ASTNode parent, @NotNull ASTNode first, @NotNull ASTNode last, ASTNode anchorBefore) {
  ASTNode lastChild = last.getTreeNext();
  ASTNode current = first;
  while (current != lastChild) {
    saveWhitespacesInfo(current);
    checkForOuters(current);
    current = current.getTreeNext();
  }

  if (anchorBefore != null && isComment(anchorBefore.getElementType())) {
    final ASTNode anchorPrev = anchorBefore.getTreePrev();
    if (anchorPrev != null && anchorPrev.getElementType() == TokenType.WHITE_SPACE) {
      anchorBefore = anchorPrev;
    }
  }

  parent.addChildren(first, lastChild, anchorBefore);
  ASTNode firstAddedLeaf = findFirstLeaf(first, last);
  ASTNode prevLeaf = TreeUtil.prevLeaf(first);
  ASTNode result = first;
  if (firstAddedLeaf != null) {
    ASTNode placeHolderEnd = makePlaceHolderBetweenTokens(prevLeaf, firstAddedLeaf, isFormattingRequired(prevLeaf, first), false);
    if (placeHolderEnd != prevLeaf && first == firstAddedLeaf) {
      result = placeHolderEnd;
    }
    ASTNode lastAddedLeaf = findLastLeaf(first, last);
    placeHolderEnd = makePlaceHolderBetweenTokens(lastAddedLeaf, TreeUtil.nextLeaf(last), true, false);
    if (placeHolderEnd != lastAddedLeaf && lastAddedLeaf == first) {
      result = placeHolderEnd;
    }
  }
  else {
    makePlaceHolderBetweenTokens(prevLeaf, TreeUtil.nextLeaf(last), isFormattingRequired(prevLeaf, first), false);
  }
  return result;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:37，代码来源:CodeEditUtil.java

示例8: replaceChild

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
public static void replaceChild(ASTNode parent, @NotNull ASTNode oldChild, @NotNull ASTNode newChild) {
  saveWhitespacesInfo(oldChild);
  saveWhitespacesInfo(newChild);
  checkForOuters(oldChild);
  checkForOuters(newChild);

  LeafElement oldFirst = TreeUtil.findFirstLeaf(oldChild);

  parent.replaceChild(oldChild, newChild);
  final LeafElement firstLeaf = TreeUtil.findFirstLeaf(newChild);
  final ASTNode prevToken = TreeUtil.prevLeaf(newChild);
  if (firstLeaf != null) {
    final ASTNode nextLeaf = TreeUtil.nextLeaf(newChild);
    makePlaceHolderBetweenTokens(prevToken, firstLeaf, isFormattingRequired(prevToken, newChild), false);
    if (nextLeaf != null && !CharArrayUtil.containLineBreaks(nextLeaf.getText())) {
      makePlaceHolderBetweenTokens(TreeUtil.prevLeaf(nextLeaf), nextLeaf, false, false);
    }
  }
  else {
    if (oldFirst != null && prevToken == null) {
      ASTNode whitespaceNode = newChild.getTreeNext();
      if (whitespaceNode != null && whitespaceNode.getElementType() == TokenType.WHITE_SPACE) {
        // Replacing non-empty prefix to empty shall remove whitespace
        parent.removeChild(whitespaceNode);
      }
    }

    makePlaceHolderBetweenTokens(prevToken, TreeUtil.nextLeaf(newChild), isFormattingRequired(prevToken, newChild), false);
  }
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:31，代码来源:CodeEditUtil.java

示例9: searchNonSpaceNonCommentBack

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
@Nullable
public static PsiElement searchNonSpaceNonCommentBack(PsiElement element, final boolean strict) {
  if(element == null || element.getNode() == null) return null;
  ASTNode leftNeibour = TreeUtil.prevLeaf(element.getNode());
  if (!strict) {
    while (leftNeibour != null && (leftNeibour.getElementType() == TokenType.WHITE_SPACE || leftNeibour.getPsi() instanceof PsiComment)){
      leftNeibour = TreeUtil.prevLeaf(leftNeibour);
    }
  }
  return leftNeibour != null ? leftNeibour.getPsi() : null;

}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:13，代码来源:FilterPositionUtil.java

示例10: findBeforeCaret

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static PsiElement findBeforeCaret(ASTNode atCaret, Class<? extends PsiElement>... classes) {
  while (atCaret != null) {
    atCaret = TreeUtil.prevLeaf(atCaret);
    if (atCaret != null && atCaret.getElementType() != TokenType.WHITE_SPACE) {
      return getNonStrictParentOfType(atCaret.getPsi(), classes);
    }
  }
  return null;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:10，代码来源:PythonEnterHandler.java

示例11: replaceWithPsiInLeaf

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
@Override
protected String replaceWithPsiInLeaf(TextRange textRange, String whiteSpace, ASTNode leafElement) {
  if (!myCanModifyAllWhiteSpaces) {
    if (PsiImplUtil.isWhiteSpaceOrNls(leafElement)) return null;
  }

  IElementType elementTypeToUse = TokenType.WHITE_SPACE;
  ASTNode prevNode = TreeUtil.prevLeaf(leafElement);
  if (prevNode != null && PsiImplUtil.isWhiteSpaceOrNls(prevNode)) {
    elementTypeToUse = prevNode.getElementType();
  }
  FormatterUtil.replaceWhiteSpace(whiteSpace, leafElement, elementTypeToUse, textRange);
  return whiteSpace;
}
开发者ID:jskierbi，项目名称:intellij-ce-playground，代码行数:15，代码来源:GroovyFormattingModelBuilder.java

示例12: replaceWithPsiInLeaf

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
@Override
protected String replaceWithPsiInLeaf(TextRange textRange, String whiteSpace, ASTNode leafElement) {
  if (!myCanModifyAllWhiteSpaces) {
    if (TokenSets.WHITE_SPACES_SET.contains(leafElement.getElementType())) return null;
  }

  IElementType elementTypeToUse = TokenType.WHITE_SPACE;
  ASTNode prevNode = TreeUtil.prevLeaf(leafElement);
  if (prevNode != null && TokenSets.WHITE_SPACES_SET.contains(prevNode.getElementType())) {
    elementTypeToUse = prevNode.getElementType();
  }
  FormatterUtil.replaceWhiteSpace(whiteSpace, leafElement, elementTypeToUse, textRange);
  return whiteSpace;
}
开发者ID:lshain-android-source，项目名称:tools-idea，代码行数:15，代码来源:GroovyFormattingModelBuilder.java

示例13: addChildren

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
public static ASTNode addChildren(ASTNode parent, @Nonnull ASTNode first, @Nonnull ASTNode last, ASTNode anchorBefore) {
  ASTNode lastChild = last.getTreeNext();
  ASTNode current = first;
  while (current != lastChild) {
    saveWhitespacesInfo(current);
    checkForOuters(current);
    current = current.getTreeNext();
  }

  if (anchorBefore != null && CommentUtilCore.isComment(anchorBefore)) {
    final ASTNode anchorPrev = anchorBefore.getTreePrev();
    if (anchorPrev != null && anchorPrev.getElementType() == TokenType.WHITE_SPACE) {
      anchorBefore = anchorPrev;
    }
  }

  parent.addChildren(first, lastChild, anchorBefore);
  ASTNode firstAddedLeaf = findFirstLeaf(first, last);
  ASTNode prevLeaf = TreeUtil.prevLeaf(first);
  ASTNode result = first;
  if (firstAddedLeaf != null) {
    ASTNode placeHolderEnd = makePlaceHolderBetweenTokens(prevLeaf, firstAddedLeaf, isFormattingRequired(prevLeaf, first), false);
    if (placeHolderEnd != prevLeaf && first == firstAddedLeaf) {
      result = placeHolderEnd;
    }
    ASTNode lastAddedLeaf = findLastLeaf(first, last);
    placeHolderEnd = makePlaceHolderBetweenTokens(lastAddedLeaf, TreeUtil.nextLeaf(last), true, false);
    if (placeHolderEnd != lastAddedLeaf && lastAddedLeaf == first) {
      result = placeHolderEnd;
    }
  }
  else {
    makePlaceHolderBetweenTokens(prevLeaf, TreeUtil.nextLeaf(last), isFormattingRequired(prevLeaf, first), false);
  }
  return result;
}
开发者ID:consulo，项目名称:consulo，代码行数:37，代码来源:CodeEditUtil.java

示例14: replaceChild

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
public static void replaceChild(ASTNode parent, @Nonnull ASTNode oldChild, @Nonnull ASTNode newChild) {
  saveWhitespacesInfo(oldChild);
  saveWhitespacesInfo(newChild);
  checkForOuters(oldChild);
  checkForOuters(newChild);

  LeafElement oldFirst = TreeUtil.findFirstLeaf(oldChild);

  parent.replaceChild(oldChild, newChild);
  final LeafElement firstLeaf = TreeUtil.findFirstLeaf(newChild);
  final ASTNode prevToken = TreeUtil.prevLeaf(newChild);
  if (firstLeaf != null) {
    final ASTNode nextLeaf = TreeUtil.nextLeaf(newChild);
    makePlaceHolderBetweenTokens(prevToken, firstLeaf, isFormattingRequired(prevToken, newChild), false);
    if (nextLeaf != null && !CharArrayUtil.containLineBreaks(nextLeaf.getText())) {
      makePlaceHolderBetweenTokens(TreeUtil.prevLeaf(nextLeaf), nextLeaf, false, false);
    }
  }
  else {
    if (oldFirst != null && prevToken == null) {
      ASTNode whitespaceNode = newChild.getTreeNext();
      if (whitespaceNode != null && whitespaceNode.getElementType() == TokenType.WHITE_SPACE) {
        // Replacing non-empty prefix to empty shall remove whitespace
        parent.removeChild(whitespaceNode);
      }
    }

    makePlaceHolderBetweenTokens(prevToken, TreeUtil.nextLeaf(newChild), isFormattingRequired(prevToken, newChild), false);
  }
}
开发者ID:consulo，项目名称:consulo，代码行数:31，代码来源:CodeEditUtil.java

示例15: isFinalKeywordBefore

import com.intellij.psi.impl.source.tree.TreeUtil; //导入方法依赖的package包/类
private static boolean isFinalKeywordBefore(ASTNode node)
{
	ASTNode prevLeaf = TreeUtil.prevLeaf(node);
	if(prevLeaf != null && prevLeaf.getElementType() == TokenType.WHITE_SPACE)
	{
		prevLeaf = TreeUtil.prevLeaf(prevLeaf);
	}
	return prevLeaf != null && prevLeaf.getElementType() == JavaTokenType.FINAL_KEYWORD;
}
开发者ID:consulo，项目名称:consulo-java，代码行数:10，代码来源:JavaSpacePropertyProcessor.java


注：本文中的com.intellij.psi.impl.source.tree.TreeUtil.prevLeaf方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。