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ClangFormat: Trim space-only lines to properly indent them

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Do not add indentation to the existing spaces in the line
but trim the line first and then indent it as an empty line.

Change-Id: I0e95ab5e4550410e55abfb12362035751c47b0b3
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
This commit is contained in:
Ivan Donchevskii
2018-11-26 12:44:44 +01:00
parent 386535cf18
commit f1634df8b3
1 changed files with 14 additions and 0 deletions
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14
src/plugins/clangformat/clangformatindenter.cpp
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@@ -133,6 +133,18 @@ void trimFirstNonEmptyBlock(const QTextBlock &currentBlock)
cursor.endEditBlock();
}
void trimCurrentBlock(const QTextBlock &currentBlock)
{
if (currentBlock.text().trimmed().isEmpty()) {
// Clear the block containing only spaces
QTextCursor cursor(currentBlock);
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
cursor.removeSelectedText();
cursor.endEditBlock();
}
}
// Returns the total langth of previous lines with pure whitespace.
int previousEmptyLinesLength(const QTextBlock &currentBlock)
{
@@ -418,6 +430,7 @@ void ClangFormatIndenter::indentBlock(QTextDocument *doc,
const Utils::FileName fileName = editor->textDocument()->filePath();
trimFirstNonEmptyBlock(block);
trimCurrentBlock(block);
const QByteArray buffer = doc->toPlainText().toUtf8();
const int utf8Offset = Utils::Text::utf8NthLineOffset(doc, buffer, block.blockNumber() + 1);
QTC_ASSERT(utf8Offset >= 0, return;);
@@ -436,6 +449,7 @@ int ClangFormatIndenter::indentFor(const QTextBlock &block, const TextEditor::Ta
const Utils::FileName fileName = editor->textDocument()->filePath();
trimFirstNonEmptyBlock(block);
trimCurrentBlock(block);
const QTextDocument *doc = block.document();
const QByteArray buffer = doc->toPlainText().toUtf8();
const int utf8Offset = Utils::Text::utf8NthLineOffset(doc, buffer, block.blockNumber() + 1);