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// Copyright (C) 2016 Dmitry Savchenko
// Copyright (C) 2016 Vasiliy Sorokin
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "cpptodoitemsscanner.h"
#include <cppeditor/projectinfo.h>
#include <projectexplorer/project.h>
#include <cplusplus/TranslationUnit.h>
#include <utils/algorithm.h>
#include <cctype>
namespace Todo {
namespace Internal {
CppTodoItemsScanner::CppTodoItemsScanner(const KeywordList &keywordList, QObject *parent) :
TodoItemsScanner(keywordList, parent)
{
CppEditor::CppModelManager *modelManager = CppEditor::CppModelManager::instance();
connect(modelManager, &CppEditor::CppModelManager::documentUpdated,
this, &CppTodoItemsScanner::documentUpdated, Qt::DirectConnection);
setParams(keywordList);
}
void CppTodoItemsScanner::scannerParamsChanged()
{
// We need to rescan everything known to the code model
// TODO: It would be nice to only tokenize the source files, not update the code model entirely.
CppEditor::CppModelManager *modelManager = CppEditor::CppModelManager::instance();
QSet<QString> filesToBeUpdated;
foreach (const CppEditor::ProjectInfo::ConstPtr &info, modelManager->projectInfos())
filesToBeUpdated.unite(info->sourceFiles());
modelManager->updateSourceFiles(filesToBeUpdated);
}
void CppTodoItemsScanner::documentUpdated(CPlusPlus::Document::Ptr doc)
{
CppEditor::CppModelManager *modelManager = CppEditor::CppModelManager::instance();
if (!modelManager->projectPart(doc->fileName()).isEmpty())
processDocument(doc);
}
void CppTodoItemsScanner::processDocument(CPlusPlus::Document::Ptr doc)
{
QList<TodoItem> itemList;
CPlusPlus::TranslationUnit *translationUnit = doc->translationUnit();
for (int i = 0; i < translationUnit->commentCount(); ++i) {
// Get comment source
CPlusPlus::Token token = doc->translationUnit()->commentAt(i);
QByteArray source = doc->utf8Source().mid(token.bytesBegin(), token.bytes()).trimmed();
if ((token.kind() == CPlusPlus::T_COMMENT) || (token.kind() == CPlusPlus::T_DOXY_COMMENT)) {
// Remove trailing "*/"
source = source.left(source.length() - 2);
}
// Process every line of the comment
int lineNumber = 0;
translationUnit->getPosition(token.utf16charsBegin(), &lineNumber);
for (int from = 0, sz = source.size(); from < sz; ++lineNumber) {
int to = source.indexOf('\n', from);
if (to == -1)
to = sz - 1;
const char *start = source.constData() + from;
const char *end = source.constData() + to;
while (start != end && std::isspace((unsigned char)*start))
++start;
while (start != end && std::isspace((unsigned char)*end))
--end;
const int length = end - start + 1;
if (length > 0) {
QString commentLine = QString::fromUtf8(start, length);
processCommentLine(doc->fileName(), commentLine, lineNumber, itemList);
}
from = to + 1;
}
}
emit itemsFetched(doc->fileName(), itemList);
}
}
}
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