253 lines
8.7 KiB
C++
253 lines
8.7 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "librarydialog.h"
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#include "ui_librarydialog.h"
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#include <QFile>
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#include <QDomDocument>
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#include <QDomNode>
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#include <QDomNodeList>
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#include <QSettings>
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#include <QFileDialog>
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#include <QTextStream>
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const unsigned int LibraryDialog::Function::Arg::ANY = ~0U;
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// TODO: get/compare functions from header
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LibraryDialog::LibraryDialog(QWidget *parent) :
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QDialog(parent),
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ui(new Ui::LibraryDialog)
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{
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ui->setupUi(this);
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ui->buttonSave->setEnabled(false);
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}
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LibraryDialog::~LibraryDialog()
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{
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delete ui;
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}
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static LibraryDialog::Function::Arg loadFunctionArg(const QDomElement &functionArgElement)
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{
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LibraryDialog::Function::Arg arg;
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if (functionArgElement.attribute("nr") == "any")
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arg.nr = LibraryDialog::Function::Arg::ANY;
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else
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arg.nr = functionArgElement.attribute("nr").toUInt();
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for (QDomElement childElement = functionArgElement.firstChildElement(); !childElement.isNull(); childElement = childElement.nextSiblingElement()) {
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if (childElement.tagName() == "not-bool")
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arg.notbool = true;
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else if (childElement.tagName() == "not-null")
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arg.notnull = true;
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else if (childElement.tagName() == "not-uninit")
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arg.notuninit = true;
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else if (childElement.tagName() == "strz")
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arg.strz = true;
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else if (childElement.tagName() == "formatstr")
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arg.formatstr = true;
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else if (childElement.tagName() == "valid")
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arg.valid = childElement.text();
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else if (childElement.tagName() == "minsize") {
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arg.minsize.type = childElement.attribute("type");
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arg.minsize.arg = childElement.attribute("arg");
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arg.minsize.arg2 = childElement.attribute("arg2");
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}
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}
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return arg;
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}
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static LibraryDialog::Function loadFunction(const QDomElement &functionElement)
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{
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LibraryDialog::Function function;
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function.name = functionElement.attribute("name");
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for (QDomElement childElement = functionElement.firstChildElement(); !childElement.isNull(); childElement = childElement.nextSiblingElement()) {
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const QString tagName = childElement.tagName();
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if (childElement.tagName() == "noreturn")
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function.noreturn = (childElement.text() == "true");
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else if (childElement.tagName() == "pure")
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function.gccPure = true;
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else if (childElement.tagName() == "const")
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function.gccConst = true;
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else if (childElement.tagName() == "leak-ignore")
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function.leakignore = true;
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else if (childElement.tagName() == "use-retval")
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function.useretval = true;
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else if (childElement.tagName() == "formatstr") {
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function.formatstr.scan = childElement.attribute("scan");
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function.formatstr.secure = childElement.attribute("secure");
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} else if (childElement.tagName() == "arg") {
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const LibraryDialog::Function::Arg fa = loadFunctionArg(childElement);
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function.args.append(fa);
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} else {
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int x = 123;
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x++;
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}
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}
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return function;
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}
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bool LibraryDialog::loadFile(QFile &file)
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{
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QDomDocument doc;
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if (!doc.setContent(&file))
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return false;
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QDomElement rootElement = doc.firstChildElement("def");
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for (QDomElement functionElement = rootElement.firstChildElement("function"); !functionElement.isNull(); functionElement = functionElement.nextSiblingElement("function")) {
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functions.append(loadFunction(functionElement));
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}
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return true;
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}
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void LibraryDialog::openCfg()
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{
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const QSettings settings;
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const QString datadir = settings.value("DATADIR",QString()).toString();
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QString selectedFilter;
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const QString filter(tr("Library files (*.cfg)"));
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const QString selectedFile = QFileDialog::getOpenFileName(this,
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tr("Open library file"),
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datadir,
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filter,
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&selectedFilter);
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if (!selectedFile.isEmpty()) {
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QFile file(selectedFile);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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loadFile(file);
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mFileName = selectedFile;
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ui->buttonSave->setEnabled(false);
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ui->functions->clear();
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foreach (const struct Function &function, functions)
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ui->functions->addItem(function.name);
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}
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}
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}
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static QDomElement FunctionElement(QDomDocument &doc, const LibraryDialog::Function &function)
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{
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QDomElement functionElement = doc.createElement("function");
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functionElement.setAttribute("name", function.name);
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if (!function.noreturn) {
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QDomElement e = doc.createElement("noreturn");
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e.appendChild(doc.createTextNode("false"));
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functionElement.appendChild(e);
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}
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if (function.useretval)
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functionElement.appendChild(doc.createElement("useretval"));
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if (function.leakignore)
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functionElement.appendChild(doc.createElement("leak-ignore"));
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// Argument info..
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foreach (const LibraryDialog::Function::Arg &arg, function.args) {
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QDomElement argElement = doc.createElement("arg");
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functionElement.appendChild(argElement);
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if (arg.nr == LibraryDialog::Function::Arg::ANY)
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argElement.setAttribute("nr", "any");
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else
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argElement.setAttribute("nr", arg.nr);
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if (arg.notbool)
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argElement.appendChild(doc.createElement("not-bool"));
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if (arg.notnull)
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argElement.appendChild(doc.createElement("not-null"));
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if (arg.notuninit)
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argElement.appendChild(doc.createElement("not-uninit"));
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if (arg.strz)
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argElement.appendChild(doc.createElement("strz"));
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if (arg.formatstr)
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argElement.appendChild(doc.createElement("formatstr"));
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if (!arg.valid.isEmpty()) {
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QDomElement e = doc.createElement("valid");
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e.appendChild(doc.createTextNode(arg.valid));
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argElement.appendChild(e);
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}
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if (!arg.minsize.type.isEmpty()) {
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QDomElement e = doc.createElement("minsize");
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e.setAttribute("type", arg.minsize.type);
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e.setAttribute("arg", arg.minsize.arg);
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if (!arg.minsize.arg2.isEmpty())
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e.setAttribute("arg2", arg.minsize.arg2);
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argElement.appendChild(e);
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}
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}
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return functionElement;
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}
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void LibraryDialog::saveCfg()
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{
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QDomDocument doc;
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QDomElement root = doc.createElement("def");
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doc.appendChild(root);
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root.setAttribute("format","2");
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foreach (const Function &function, functions) {
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root.appendChild(FunctionElement(doc, function));
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}
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QFile file(mFileName);
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if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
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QTextStream ts( &file );
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ts << doc.toString();
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ui->buttonSave->setEnabled(false);
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}
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}
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void LibraryDialog::selectFunction(int row)
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{
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const Function &function = functions[row];
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ui->functionreturn->setChecked(!function.noreturn);
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ui->useretval->setChecked(function.useretval);
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ui->leakignore->setChecked(function.leakignore);
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ui->arguments->clear();
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foreach (const Function::Arg &arg, function.args) {
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QString s("arg");
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if (arg.nr != Function::Arg::ANY)
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s += QString::number(arg.nr);
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if (arg.formatstr)
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s += " formatstr";
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else if (arg.strz)
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s += " strz";
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else if (!arg.valid.isNull())
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s += " " + arg.valid;
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ui->arguments->addItem(s);
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}
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}
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void LibraryDialog::changeFunction()
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{
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foreach (const QListWidgetItem *item, ui->functions->selectedItems())
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{
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Function &function = functions[ui->functions->row(item)];
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function.noreturn = !ui->functionreturn->isChecked();
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function.useretval = ui->useretval->isChecked();
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function.leakignore = ui->leakignore->isChecked();
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}
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ui->buttonSave->setEnabled(true);
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}
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