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qt5base-lts/tools/configure/configureapp.cpp
Lars Knoll 60e5a1c8ef Modularize the new configure system (infrastructure part) 
This change implements the required infrastructure to modularize the new
configuration system.

This requires a hierarchy of configuration files, both for handling
multiple repositories and for individual modules inside the same
repository.

When configuring, they all need to get loaded first, as command line
processing needs to know about all possible command line options.

When the command line has been processed, the individual configuration
files need to get processed one after the other and independently from
each other.

Configure is now automatically invoked when building the a project
tree's "root" project; this works with both modular and top-level builds
of Qt (the latter with an according change in the super repo). As an
immediate consequence, the -skip option moves to the super repo with a
different implementation, as configuration is now done after the repo
list is determined. The option belongs there anyway.

This commit also adds an optional testDir entry to the json file. Like
this, we can still have all configure tests in qtbase/config.tests and
the configuration file in, e.g., corelib can reference those.

The files section can now be left out as long as a 'module' entry is
present, specifying the module name. The names of the files to generate
can then be deduced from that name. We still need to be able to specify
names directly for the global configuration files.

qtConfig() now also queries features which are module-specific. As it is
sometimes necessary to query the configuration of modules which should
not be actually linked (and cannot in the case of subdirs projects), the
new variable QT_FOR_CONFIG which allows specifying configuration-only
dependencies is introduced.

Done-with: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Change-Id: Id1b518a3aa34044748b87fb8fac14d79653f6b18
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2016-09-10 14:04:01 +00:00

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "configureapp.h"
#include "environment.h"
#include "tools.h"
#include <qdir.h>
#include <qdiriterator.h>
#include <qtemporaryfile.h>
#include <qstandardpaths.h>
#include <qstack.h>
#include <qdebug.h>
#include <qfileinfo.h>
#include <qtextstream.h>
#include <qregexp.h>
#include <qhash.h>
#include <iostream>
#include <string>
#include <fstream>
#include <windows.h>
#include <conio.h>
QT_BEGIN_NAMESPACE
enum Platforms {
WINDOWS,
WINDOWS_RT,
QNX,
ANDROID,
OTHER
};
std::ostream &operator<<(std::ostream &s, const QString &val) {
s << val.toLocal8Bit().data();
return s;
}
using namespace std;
static inline void promptKeyPress()
{
cout << "(Press any key to continue...)";
if (_getch() == 3) // _Any_ keypress w/no echo(eat <Enter> for stdout)
exit(0); // Exit cleanly for Ctrl+C
}
Configure::Configure(int& argc, char** argv)
{
int i;
for (i = 1; i < argc; i++)
configCmdLine += argv[ i ];
if (configCmdLine.size() >= 2 && configCmdLine.at(0) == "-srcdir") {
sourcePath = QDir::cleanPath(configCmdLine.at(1));
sourceDir = QDir(sourcePath);
configCmdLine.erase(configCmdLine.begin(), configCmdLine.begin() + 2);
} else {
// Get the path to the executable
wchar_t module_name[MAX_PATH];
GetModuleFileName(0, module_name, sizeof(module_name) / sizeof(wchar_t));
QFileInfo sourcePathInfo = QString::fromWCharArray(module_name);
sourcePath = sourcePathInfo.absolutePath();
sourceDir = sourcePathInfo.dir();
}
buildPath = QDir::currentPath();
#if 0
const QString installPath = QString("C:\\Qt\\%1").arg(QT_VERSION_STR);
#else
const QString installPath = buildPath;
#endif
if (sourceDir != buildDir) { //shadow builds!
QDir(buildPath).mkpath("bin");
buildDir.mkpath("mkspecs");
buildDir.mkpath("config.tests");
}
dictionary[ "QT_INSTALL_PREFIX" ] = installPath;
dictionary[ "QMAKESPEC" ] = getenv("QMAKESPEC");
if (dictionary[ "QMAKESPEC" ].size() == 0) {
dictionary[ "QMAKESPEC" ] = Environment::detectQMakeSpec();
dictionary[ "QMAKESPEC_FROM" ] = "detected";
} else {
dictionary[ "QMAKESPEC_FROM" ] = "env";
}
dictionary[ "SYNCQT" ] = "auto";
//Only used when cross compiling.
dictionary[ "QT_INSTALL_SETTINGS" ] = "/etc/xdg";
QString version;
QFile qmake_conf(sourcePath + "/.qmake.conf");
if (qmake_conf.open(QFile::ReadOnly)) {
while (!qmake_conf.atEnd()) {
static const char beginning[] = "MODULE_VERSION = ";
QByteArray line = qmake_conf.readLine();
if (!line.startsWith(beginning))
continue;
version = qMove(line).mid(int(strlen(beginning))).trimmed();
break;
}
qmake_conf.close();
}
if (version.isEmpty())
version = QString("%1.%2.%3").arg(QT_VERSION>>16).arg(((QT_VERSION>>8)&0xff)).arg(QT_VERSION&0xff);
dictionary[ "VERSION" ] = version;
{
QRegExp version_re("([0-9]*)\\.([0-9]*)\\.([0-9]*)(|-.*)");
if (version_re.exactMatch(version)) {
dictionary[ "VERSION_MAJOR" ] = version_re.cap(1);
dictionary[ "VERSION_MINOR" ] = version_re.cap(2);
dictionary[ "VERSION_PATCH" ] = version_re.cap(3);
}
}
dictionary[ "REDO" ] = "no";
dictionary[ "BUILDTYPE" ] = "none";
QString tmp = dictionary[ "QMAKESPEC" ];
if (tmp.contains("\\")) {
tmp = tmp.mid(tmp.lastIndexOf("\\") + 1);
} else {
tmp = tmp.mid(tmp.lastIndexOf("/") + 1);
}
dictionary[ "QMAKESPEC" ] = tmp;
}
Configure::~Configure()
{
}
QString Configure::formatPath(const QString &path)
{
QString ret = QDir::cleanPath(path);
// This amount of quoting is deemed sufficient.
if (ret.contains(QLatin1Char(' '))) {
ret.prepend(QLatin1Char('"'));
ret.append(QLatin1Char('"'));
}
return ret;
}
// #### somehow I get a compiler error about vc++ reaching the nesting limit without
// undefining the ansi for scoping.
#ifdef for
#undef for
#endif
void Configure::parseCmdLine()
{
sourcePathMangled = sourcePath;
buildPathMangled = buildPath;
if (configCmdLine.size() && configCmdLine.at(0) == "-top-level") {
dictionary[ "TOPLEVEL" ] = "yes";
configCmdLine.removeAt(0);
sourcePathMangled = QFileInfo(sourcePath).path();
buildPathMangled = QFileInfo(buildPath).path();
}
int argCount = configCmdLine.size();
int i = 0;
// Look first for -redo
for (int k = 0 ; k < argCount; ++k) {
if (configCmdLine.at(k) == "-redo") {
dictionary["REDO"] = "yes";
configCmdLine.removeAt(k);
if (!reloadCmdLine(k)) {
dictionary["DONE"] = "error";
return;
}
argCount = configCmdLine.size();
break;
}
}
// Then look for XQMAKESPEC
bool isDeviceMkspec = false;
for (int j = 0 ; j < argCount; ++j)
{
if ((configCmdLine.at(j) == "-xplatform") || (configCmdLine.at(j) == "-device")) {
isDeviceMkspec = (configCmdLine.at(j) == "-device");
++j;
if (j == argCount)
break;
dictionary["XQMAKESPEC"] = configCmdLine.at(j);
applySpecSpecifics();
break;
}
}
for (; i<configCmdLine.size(); ++i) {
if (configCmdLine.at(i) == "-opensource") {
dictionary[ "BUILDTYPE" ] = "opensource";
}
else if (configCmdLine.at(i) == "-commercial") {
dictionary[ "BUILDTYPE" ] = "commercial";
}
else if (configCmdLine.at(i) == "-platform") {
++i;
if (i == argCount)
break;
dictionary[ "QMAKESPEC" ] = configCmdLine.at(i);
dictionary[ "QMAKESPEC_FROM" ] = "commandline";
} else if (configCmdLine.at(i) == "-xplatform"
|| configCmdLine.at(i) == "-device") {
++i;
// do nothing
} else if (configCmdLine.at(i) == "-device-option") {
++i;
const QString option = configCmdLine.at(i);
QString &devOpt = dictionary["DEVICE_OPTION"];
if (!devOpt.isEmpty())
devOpt.append("\n").append(option);
else
devOpt = option;
}
else if (configCmdLine.at(i) == "-no-syncqt")
dictionary[ "SYNCQT" ] = "no";
else if (configCmdLine.at(i) == "-confirm-license") {
dictionary["LICENSE_CONFIRMED"] = "yes";
}
// Directories ----------------------------------------------
else if (configCmdLine.at(i) == "-prefix") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_PREFIX" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-bindir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_BINS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-libexecdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_LIBEXECS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-libdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_LIBS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-docdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_DOCS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-headerdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_HEADERS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-plugindir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_PLUGINS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-importdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_IMPORTS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-qmldir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_QML" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-archdatadir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_ARCHDATA" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-datadir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_DATA" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-translationdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_TRANSLATIONS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-examplesdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_EXAMPLES" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-testsdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_INSTALL_TESTS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-sysroot") {
++i;
if (i == argCount)
break;
dictionary[ "CFG_SYSROOT" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-hostprefix") {
++i;
if (i == argCount || configCmdLine.at(i).startsWith('-'))
dictionary[ "QT_HOST_PREFIX" ] = buildPath;
else
dictionary[ "QT_HOST_PREFIX" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-hostbindir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_HOST_BINS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-hostlibdir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_HOST_LIBS" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-hostdatadir") {
++i;
if (i == argCount)
break;
dictionary[ "QT_HOST_DATA" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-extprefix") {
++i;
if (i == argCount)
break;
dictionary[ "QT_EXT_PREFIX" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-make-tool") {
++i;
if (i == argCount)
break;
dictionary[ "MAKE" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-sysconfdir") {
++i;
if (i == argCount)
break;
dictionary["QT_INSTALL_SETTINGS"] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-ndk") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_NDK_ROOT" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-sdk") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_SDK_ROOT" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-ndk-platform") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_PLATFORM" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-ndk-host") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_HOST" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-arch") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_TARGET_ARCH" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-android-toolchain-version") {
++i;
if (i == argCount)
break;
dictionary[ "ANDROID_NDK_TOOLCHAIN_VERSION" ] = configCmdLine.at(i);
}
else if (configCmdLine.at(i) == "-no-android-style-assets") {
dictionary[ "ANDROID_STYLE_ASSETS" ] = "no";
} else if (configCmdLine.at(i) == "-android-style-assets") {
dictionary[ "ANDROID_STYLE_ASSETS" ] = "yes";
}
}
// Ensure that QMAKESPEC exists in the mkspecs folder
const QString mkspecPath(sourcePath + "/mkspecs");
QDirIterator itMkspecs(mkspecPath, QDir::AllDirs | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
QStringList mkspecs;
while (itMkspecs.hasNext()) {
QString mkspec = itMkspecs.next();
// Remove base PATH
mkspec.remove(0, mkspecPath.length() + 1);
mkspecs << mkspec;
}
if (dictionary["QMAKESPEC"].toLower() == "features"
|| !mkspecs.contains(dictionary["QMAKESPEC"], Qt::CaseInsensitive)) {
dictionary[ "DONE" ] = "error";
if (dictionary ["QMAKESPEC_FROM"] == "commandline") {
cout << "Invalid option \"" << dictionary["QMAKESPEC"] << "\" for -platform." << endl;
} else if (dictionary ["QMAKESPEC_FROM"] == "env") {
cout << "QMAKESPEC environment variable is set to \"" << dictionary["QMAKESPEC"]
<< "\" which is not a supported platform" << endl;
} else { // was autodetected from environment
cout << "Unable to detect the platform from environment. Use -platform command line" << endl
<< "argument or set the QMAKESPEC environment variable and run configure again." << endl;
}
cout << "See the README file for a list of supported operating systems and compilers." << endl;
} else {
if (dictionary[ "QMAKESPEC" ].endsWith("-icc") ||
dictionary[ "QMAKESPEC" ].endsWith("-msvc2012") ||
dictionary[ "QMAKESPEC" ].endsWith("-msvc2013") ||
dictionary[ "QMAKESPEC" ].endsWith("-msvc2015")) {
if (dictionary[ "MAKE" ].isEmpty()) dictionary[ "MAKE" ] = "nmake";
dictionary[ "QMAKEMAKEFILE" ] = "Makefile.win32";
} else if (dictionary[ "QMAKESPEC" ].startsWith(QLatin1String("win32-g++"))) {
if (dictionary[ "MAKE" ].isEmpty()) dictionary[ "MAKE" ] = "mingw32-make";
dictionary[ "QMAKEMAKEFILE" ] = "Makefile.unix";
} else {
if (dictionary[ "MAKE" ].isEmpty()) dictionary[ "MAKE" ] = "make";
dictionary[ "QMAKEMAKEFILE" ] = "Makefile.win32";
}
}
if (isDeviceMkspec) {
const QStringList devices = mkspecs.filter("devices/", Qt::CaseInsensitive);
const QStringList family = devices.filter(dictionary["XQMAKESPEC"], Qt::CaseInsensitive);
if (family.isEmpty()) {
dictionary[ "DONE" ] = "error";
cout << "Error: No device matching '" << dictionary["XQMAKESPEC"] << "'." << endl;
} else if (family.size() > 1) {
dictionary[ "DONE" ] = "error";
cout << "Error: Multiple matches for device '" << dictionary["XQMAKESPEC"] << "'. Candidates are:" << endl;
foreach (const QString &device, family)
cout << "\t* " << device << endl;
} else {
Q_ASSERT(family.size() == 1);
dictionary["XQMAKESPEC"] = family.at(0);
}
} else {
// Ensure that -spec (XQMAKESPEC) exists in the mkspecs folder as well
if (dictionary.contains("XQMAKESPEC") &&
!mkspecs.contains(dictionary["XQMAKESPEC"], Qt::CaseInsensitive)) {
dictionary[ "DONE" ] = "error";
cout << "Invalid option \"" << dictionary["XQMAKESPEC"] << "\" for -xplatform." << endl;
}
}
}
/*!
Modifies the default configuration based on given -platform option.
Eg. switches to different default styles for Windows CE.
*/
void Configure::applySpecSpecifics()
{
if (platform() == ANDROID)
dictionary["ANDROID_STYLE_ASSETS"] = "yes";
}
void Configure::prepareConfigTests()
{
// Generate an empty .qmake.cache file for config.tests
QDir buildDir(buildPath);
bool success = true;
if (!buildDir.exists("config.tests"))
success = buildDir.mkdir("config.tests");
QString fileName(buildPath + "/config.tests/.qmake.cache");
QFile cacheFile(fileName);
success &= cacheFile.open(QIODevice::WriteOnly);
cacheFile.close();
if (!success) {
cout << "Failed to create file " << qPrintable(QDir::toNativeSeparators(fileName)) << endl;
dictionary[ "DONE" ] = "error";
}
}
void Configure::generateQDevicePri()
{
FileWriter deviceStream(buildPath + "/mkspecs/qdevice.pri");
if (dictionary.contains("DEVICE_OPTION")) {
const QString devoptionlist = dictionary["DEVICE_OPTION"];
const QStringList optionlist = devoptionlist.split(QStringLiteral("\n"));
foreach (const QString &entry, optionlist)
deviceStream << entry << "\n";
}
if (dictionary.contains("ANDROID_SDK_ROOT") && dictionary.contains("ANDROID_NDK_ROOT")) {
deviceStream << "android_install {" << endl;
deviceStream << " DEFAULT_ANDROID_SDK_ROOT = " << formatPath(dictionary["ANDROID_SDK_ROOT"]) << endl;
deviceStream << " DEFAULT_ANDROID_NDK_ROOT = " << formatPath(dictionary["ANDROID_NDK_ROOT"]) << endl;
if (dictionary.contains("ANDROID_HOST"))
deviceStream << " DEFAULT_ANDROID_NDK_HOST = " << dictionary["ANDROID_HOST"] << endl;
else if (QSysInfo::WordSize == 64)
deviceStream << " DEFAULT_ANDROID_NDK_HOST = windows-x86_64" << endl;
else
deviceStream << " DEFAULT_ANDROID_NDK_HOST = windows" << endl;
QString android_arch(dictionary.contains("ANDROID_TARGET_ARCH")
? dictionary["ANDROID_TARGET_ARCH"]
: QString("armeabi-v7a"));
QString android_tc_vers(dictionary.contains("ANDROID_NDK_TOOLCHAIN_VERSION")
? dictionary["ANDROID_NDK_TOOLCHAIN_VERSION"]
: QString("4.9"));
bool targetIs64Bit = android_arch == QString("arm64-v8a")
|| android_arch == QString("x86_64")
|| android_arch == QString("mips64");
QString android_platform(dictionary.contains("ANDROID_PLATFORM")
? dictionary["ANDROID_PLATFORM"]
: (targetIs64Bit ? QString("android-21") : QString("android-9")));
deviceStream << " DEFAULT_ANDROID_PLATFORM = " << android_platform << endl;
deviceStream << " DEFAULT_ANDROID_TARGET_ARCH = " << android_arch << endl;
deviceStream << " DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION = " << android_tc_vers << endl;
deviceStream << "}" << endl;
}
if (!deviceStream.flush())
dictionary[ "DONE" ] = "error";
}
QString Configure::formatConfigPath(const char *var)
{
QString val = dictionary[var];
if (QFileInfo(val).isRelative()) {
QString pfx = dictionary["QT_INSTALL_PREFIX"];
val = (val == ".") ? pfx : QDir(pfx).absoluteFilePath(val);
}
return QDir::toNativeSeparators(val);
}
void Configure::generateHeaders()
{
if (dictionary["SYNCQT"] == "auto")
dictionary["SYNCQT"] = QFile::exists(sourcePath + "/.git") ? "yes" : "no";
if (dictionary["SYNCQT"] == "yes") {
if (!QStandardPaths::findExecutable(QStringLiteral("perl.exe")).isEmpty()) {
cout << "Running syncqt..." << endl;
QStringList args;
args << "perl" << "-w";
args += sourcePath + "/bin/syncqt.pl";
args << "-version" << dictionary["VERSION"] << "-minimal" << "-module" << "QtCore";
args += sourcePath;
int retc = Environment::execute(args, QStringList(), QStringList());
if (retc) {
cout << "syncqt failed, return code " << retc << endl << endl;
dictionary["DONE"] = "error";
}
} else {
cout << "Perl not found in environment - cannot run syncqt." << endl;
dictionary["DONE"] = "error";
}
}
}
void Configure::addConfStr(int group, const QString &val)
{
confStrOffsets[group] += ' ' + QString::number(confStringOff) + ',';
confStrings[group] += " \"" + val + "\\0\"\n";
confStringOff += val.length() + 1;
}
void Configure::generateQConfigCpp()
{
QString hostSpec = dictionary["QMAKESPEC"];
QString targSpec = dictionary.contains("XQMAKESPEC") ? dictionary["XQMAKESPEC"] : hostSpec;
dictionary["CFG_SYSROOT"] = QDir::cleanPath(dictionary["CFG_SYSROOT"]);
bool qipempty = false;
if (dictionary["QT_INSTALL_PREFIX"].isEmpty())
qipempty = true;
else
dictionary["QT_INSTALL_PREFIX"] = QDir::cleanPath(dictionary["QT_INSTALL_PREFIX"]);
bool sysrootifyPrefix;
if (dictionary["QT_EXT_PREFIX"].isEmpty()) {
dictionary["QT_EXT_PREFIX"] = dictionary["QT_INSTALL_PREFIX"];
sysrootifyPrefix = !dictionary["CFG_SYSROOT"].isEmpty();
} else {
dictionary["QT_EXT_PREFIX"] = QDir::cleanPath(dictionary["QT_EXT_PREFIX"]);
sysrootifyPrefix = false;
}
bool haveHpx;
if (dictionary["QT_HOST_PREFIX"].isEmpty()) {
dictionary["QT_HOST_PREFIX"] = (sysrootifyPrefix ? dictionary["CFG_SYSROOT"] : QString())
+ dictionary["QT_INSTALL_PREFIX"];
haveHpx = false;
} else {
dictionary["QT_HOST_PREFIX"] = QDir::cleanPath(dictionary["QT_HOST_PREFIX"]);
haveHpx = true;
}
static const struct {
const char *basevar, *baseoption, *var, *option;
} varmod[] = {
{ "INSTALL_", "-prefix", "DOCS", "-docdir" },
{ "INSTALL_", "-prefix", "HEADERS", "-headerdir" },
{ "INSTALL_", "-prefix", "LIBS", "-libdir" },
{ "INSTALL_", "-prefix", "LIBEXECS", "-libexecdir" },
{ "INSTALL_", "-prefix", "BINS", "-bindir" },
{ "INSTALL_", "-prefix", "PLUGINS", "-plugindir" },
{ "INSTALL_", "-prefix", "IMPORTS", "-importdir" },
{ "INSTALL_", "-prefix", "QML", "-qmldir" },
{ "INSTALL_", "-prefix", "ARCHDATA", "-archdatadir" },
{ "INSTALL_", "-prefix", "DATA", "-datadir" },
{ "INSTALL_", "-prefix", "TRANSLATIONS", "-translationdir" },
{ "INSTALL_", "-prefix", "EXAMPLES", "-examplesdir" },
{ "INSTALL_", "-prefix", "TESTS", "-testsdir" },
{ "INSTALL_", "-prefix", "SETTINGS", "-sysconfdir" },
{ "HOST_", "-hostprefix", "BINS", "-hostbindir" },
{ "HOST_", "-hostprefix", "LIBS", "-hostlibdir" },
{ "HOST_", "-hostprefix", "DATA", "-hostdatadir" },
};
bool prefixReminder = false;
for (uint i = 0; i < sizeof(varmod) / sizeof(varmod[0]); i++) {
QString path = QDir::cleanPath(
dictionary[QLatin1String("QT_") + varmod[i].basevar + varmod[i].var]);
if (path.isEmpty())
continue;
QString base = dictionary[QLatin1String("QT_") + varmod[i].basevar + "PREFIX"];
if (!path.startsWith(base)) {
if (i != 13) {
dictionary["PREFIX_COMPLAINTS"] += QLatin1String("\n NOTICE: ")
+ varmod[i].option + " is not a subdirectory of " + varmod[i].baseoption + ".";
if (i < 13 ? qipempty : !haveHpx)
prefixReminder = true;
}
} else {
path.remove(0, base.size());
if (path.startsWith('/'))
path.remove(0, 1);
}
dictionary[QLatin1String("QT_REL_") + varmod[i].basevar + varmod[i].var]
= path.isEmpty() ? "." : path;
}
if (prefixReminder) {
dictionary["PREFIX_COMPLAINTS"]
+= "\n Maybe you forgot to specify -prefix/-hostprefix?";
}
if (!qipempty) {
// If QT_INSTALL_* have not been specified on the command line,
// default them here, unless prefix is empty (WinCE).
if (dictionary["QT_REL_INSTALL_HEADERS"].isEmpty())
dictionary["QT_REL_INSTALL_HEADERS"] = "include";
if (dictionary["QT_REL_INSTALL_LIBS"].isEmpty())
dictionary["QT_REL_INSTALL_LIBS"] = "lib";
if (dictionary["QT_REL_INSTALL_BINS"].isEmpty())
dictionary["QT_REL_INSTALL_BINS"] = "bin";
if (dictionary["QT_REL_INSTALL_ARCHDATA"].isEmpty())
dictionary["QT_REL_INSTALL_ARCHDATA"] = ".";
if (dictionary["QT_REL_INSTALL_ARCHDATA"] != ".")
dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] = dictionary["QT_REL_INSTALL_ARCHDATA"] + '/';
if (dictionary["QT_REL_INSTALL_LIBEXECS"].isEmpty()) {
if (targSpec.startsWith("win"))
dictionary["QT_REL_INSTALL_LIBEXECS"] = dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] + "bin";
else
dictionary["QT_REL_INSTALL_LIBEXECS"] = dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] + "libexec";
}
if (dictionary["QT_REL_INSTALL_PLUGINS"].isEmpty())
dictionary["QT_REL_INSTALL_PLUGINS"] = dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] + "plugins";
if (dictionary["QT_REL_INSTALL_IMPORTS"].isEmpty())
dictionary["QT_REL_INSTALL_IMPORTS"] = dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] + "imports";
if (dictionary["QT_REL_INSTALL_QML"].isEmpty())
dictionary["QT_REL_INSTALL_QML"] = dictionary["QT_REL_INSTALL_ARCHDATA_PREFIX"] + "qml";
if (dictionary["QT_REL_INSTALL_DATA"].isEmpty())
dictionary["QT_REL_INSTALL_DATA"] = ".";
if (dictionary["QT_REL_INSTALL_DATA"] != ".")
dictionary["QT_REL_INSTALL_DATA_PREFIX"] = dictionary["QT_REL_INSTALL_DATA"] + '/';
if (dictionary["QT_REL_INSTALL_DOCS"].isEmpty())
dictionary["QT_REL_INSTALL_DOCS"] = dictionary["QT_REL_INSTALL_DATA_PREFIX"] + "doc";
if (dictionary["QT_REL_INSTALL_TRANSLATIONS"].isEmpty())
dictionary["QT_REL_INSTALL_TRANSLATIONS"] = dictionary["QT_REL_INSTALL_DATA_PREFIX"] + "translations";
if (dictionary["QT_REL_INSTALL_EXAMPLES"].isEmpty())
dictionary["QT_REL_INSTALL_EXAMPLES"] = "examples";
if (dictionary["QT_REL_INSTALL_TESTS"].isEmpty())
dictionary["QT_REL_INSTALL_TESTS"] = "tests";
}
if (dictionary["QT_REL_HOST_BINS"].isEmpty())
dictionary["QT_REL_HOST_BINS"] = haveHpx ? "bin" : dictionary["QT_REL_INSTALL_BINS"];
if (dictionary["QT_REL_HOST_LIBS"].isEmpty())
dictionary["QT_REL_HOST_LIBS"] = haveHpx ? "lib" : dictionary["QT_REL_INSTALL_LIBS"];
if (dictionary["QT_REL_HOST_DATA"].isEmpty())
dictionary["QT_REL_HOST_DATA"] = haveHpx ? "." : dictionary["QT_REL_INSTALL_ARCHDATA"];
confStringOff = 0;
addConfStr(0, dictionary["QT_REL_INSTALL_DOCS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_HEADERS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_LIBS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_LIBEXECS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_BINS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_PLUGINS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_IMPORTS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_QML"]);
addConfStr(0, dictionary["QT_REL_INSTALL_ARCHDATA"]);
addConfStr(0, dictionary["QT_REL_INSTALL_DATA"]);
addConfStr(0, dictionary["QT_REL_INSTALL_TRANSLATIONS"]);
addConfStr(0, dictionary["QT_REL_INSTALL_EXAMPLES"]);
addConfStr(0, dictionary["QT_REL_INSTALL_TESTS"]);
addConfStr(1, dictionary["CFG_SYSROOT"]);
addConfStr(1, dictionary["QT_REL_HOST_BINS"]);
addConfStr(1, dictionary["QT_REL_HOST_LIBS"]);
addConfStr(1, dictionary["QT_REL_HOST_DATA"]);
addConfStr(1, targSpec);
addConfStr(1, hostSpec);
// Generate the new qconfig.cpp file
{
FileWriter tmpStream(buildPath + "/src/corelib/global/qconfig.cpp");
tmpStream << "/* Build date */" << endl
<< "static const char qt_configure_installation [11 + 12] = \"qt_instdate=2012-12-20\";" << endl
<< endl
<< "/* Installation Info */" << endl
<< "static const char qt_configure_prefix_path_str [512 + 12] = \"qt_prfxpath=" << dictionary["QT_INSTALL_PREFIX"] << "\";" << endl
<< "#ifdef QT_BUILD_QMAKE" << endl
<< "static const char qt_configure_ext_prefix_path_str [512 + 12] = \"qt_epfxpath=" << dictionary["QT_EXT_PREFIX"] << "\";" << endl
<< "static const char qt_configure_host_prefix_path_str [512 + 12] = \"qt_hpfxpath=" << dictionary["QT_HOST_PREFIX"] << "\";" << endl
<< "#endif" << endl
<< endl
<< "static const short qt_configure_str_offsets[] = {\n"
<< " " << confStrOffsets[0] << endl
<< "#ifdef QT_BUILD_QMAKE\n"
<< " " << confStrOffsets[1] << endl
<< "#endif\n"
<< "};\n"
<< "static const char qt_configure_strs[] =\n"
<< confStrings[0] << "#ifdef QT_BUILD_QMAKE\n"
<< confStrings[1] << "#endif\n"
<< ";\n"
<< endl;
if ((platform() != WINDOWS) && (platform() != WINDOWS_RT))
tmpStream << "#define QT_CONFIGURE_SETTINGS_PATH \"" << dictionary["QT_REL_INSTALL_SETTINGS"] << "\"" << endl;
tmpStream << endl
<< "#ifdef QT_BUILD_QMAKE\n"
<< "# define QT_CONFIGURE_SYSROOTIFY_PREFIX " << (sysrootifyPrefix ? "true" : "false") << endl
<< "#endif\n\n"
<< endl
<< "#define QT_CONFIGURE_PREFIX_PATH qt_configure_prefix_path_str + 12\n"
<< "#ifdef QT_BUILD_QMAKE\n"
<< "# define QT_CONFIGURE_EXT_PREFIX_PATH qt_configure_ext_prefix_path_str + 12\n"
<< "# define QT_CONFIGURE_HOST_PREFIX_PATH qt_configure_host_prefix_path_str + 12\n"
<< "#endif\n";
if (!tmpStream.flush())
dictionary[ "DONE" ] = "error";
}
}
void Configure::buildQmake()
{
{
QStringList args;
// Build qmake
QString pwd = QDir::currentPath();
if (!QDir(buildPath).mkpath("qmake")) {
cout << "Cannot create qmake build dir." << endl;
dictionary[ "DONE" ] = "error";
return;
}
if (!QDir::setCurrent(buildPath + "/qmake")) {
cout << "Cannot enter qmake build dir." << endl;
dictionary[ "DONE" ] = "error";
return;
}
QString makefile = "Makefile";
{
QFile out(makefile);
if (out.open(QFile::WriteOnly | QFile::Text)) {
QTextStream stream(&out);
stream << "#AutoGenerated by configure.exe" << endl
<< "BUILD_PATH = .." << endl
<< "SOURCE_PATH = " << QDir::toNativeSeparators(sourcePath) << endl
<< "INC_PATH = " << QDir::toNativeSeparators(
(QFile::exists(sourcePath + "/.git") ? ".." : sourcePath)
+ "/include") << endl;
stream << "QT_VERSION = " << dictionary["VERSION"] << endl
<< "QT_MAJOR_VERSION = " << dictionary["VERSION_MAJOR"] << endl
<< "QT_MINOR_VERSION = " << dictionary["VERSION_MINOR"] << endl
<< "QT_PATCH_VERSION = " << dictionary["VERSION_PATCH"] << endl;
if (dictionary[ "QMAKESPEC" ].startsWith("win32-g++")) {
stream << "QMAKESPEC = $(SOURCE_PATH)\\mkspecs\\" << dictionary[ "QMAKESPEC" ] << endl
<< "EXTRA_CFLAGS = -DUNICODE -ffunction-sections" << endl
<< "EXTRA_CXXFLAGS = -std=c++11 -DUNICODE -ffunction-sections" << endl
<< "EXTRA_LFLAGS = -Wl,--gc-sections" << endl
<< "QTOBJS = qfilesystemengine_win.o \\" << endl
<< " qfilesystemiterator_win.o \\" << endl
<< " qfsfileengine_win.o \\" << endl
<< " qlocale_win.o \\" << endl
<< " qsettings_win.o \\" << endl
<< " qsystemlibrary.o \\" << endl
<< " registry.o" << endl
<< "QTSRCS=\"$(SOURCE_PATH)/src/corelib/io/qfilesystemengine_win.cpp\" \\" << endl
<< " \"$(SOURCE_PATH)/src/corelib/io/qfilesystemiterator_win.cpp\" \\" << endl
<< " \"$(SOURCE_PATH)/src/corelib/io/qfsfileengine_win.cpp\" \\" << endl
<< " \"$(SOURCE_PATH)/src/corelib/io/qsettings_win.cpp\" \\" << endl
<< " \"$(SOURCE_PATH)/src/corelib/tools/qlocale_win.cpp\" \\" << endl\
<< " \"$(SOURCE_PATH)/src/corelib/plugin/qsystemlibrary.cpp\" \\" << endl
<< " \"$(SOURCE_PATH)/tools/shared/windows/registry.cpp\"" << endl
<< "EXEEXT=.exe" << endl
<< "LFLAGS=-static -s -lole32 -luuid -ladvapi32 -lkernel32" << endl;
/*
** SHELL is the full path of sh.exe, unless
** 1) it is found in the current directory
** 2) it is not found at all
** 3) it is overridden on the command line with an existing file
** ... otherwise it is always sh.exe. Specifically, SHELL from the
** environment has no effect.
**
** This check will fail if SHELL is explicitly set to a not
** sh-compatible shell. This is not a problem, because configure.bat
** will not do that.
*/
stream << "ifeq ($(SHELL), sh.exe)" << endl
<< " ifeq ($(wildcard $(CURDIR)/sh.exe), )" << endl
<< " SH = 0" << endl
<< " else" << endl
<< " SH = 1" << endl
<< " endif" << endl
<< "else" << endl
<< " SH = 1" << endl
<< "endif" << endl
<< "\n"
<< "ifeq ($(SH), 1)" << endl
<< " RM_F = rm -f" << endl
<< " RM_RF = rm -rf" << endl
<< "else" << endl
<< " RM_F = del /f" << endl
<< " RM_RF = rmdir /s /q" << endl
<< "endif" << endl;
stream << "\n\n";
} else {
stream << "QMAKESPEC = " << dictionary["QMAKESPEC"] << endl;
}
stream << "\n\n";
QFile in(sourcePath + "/qmake/" + dictionary["QMAKEMAKEFILE"]);
if (in.open(QFile::ReadOnly | QFile::Text)) {
QString d = in.readAll();
//### need replaces (like configure.sh)? --Sam
stream << d << endl;
}
stream.flush();
out.close();
}
}
args += dictionary[ "MAKE" ];
args += "-f";
args += makefile;
cout << "Creating qmake..." << endl;
int exitCode = Environment::execute(args, QStringList(), QStringList());
if (exitCode) {
args.clear();
args += dictionary[ "MAKE" ];
args += "-f";
args += makefile;
args += "clean";
exitCode = Environment::execute(args, QStringList(), QStringList());
if (exitCode) {
cout << "Cleaning qmake failed, return code " << exitCode << endl << endl;
dictionary[ "DONE" ] = "error";
} else {
args.clear();
args += dictionary[ "MAKE" ];
args += "-f";
args += makefile;
exitCode = Environment::execute(args, QStringList(), QStringList());
if (exitCode) {
cout << "Building qmake failed, return code " << exitCode << endl << endl;
dictionary[ "DONE" ] = "error";
}
}
}
QDir::setCurrent(pwd);
}
// Generate qt.conf
QFile confFile(buildPath + "/bin/qt.conf");
if (confFile.open(QFile::WriteOnly | QFile::Text)) { // Truncates any existing file.
QTextStream confStream(&confFile);
confStream << "[EffectivePaths]" << endl
<< "Prefix=.." << endl;
if (sourcePath != buildPath)
confStream << "[EffectiveSourcePaths]" << endl
<< "Prefix=" << sourcePath << endl;
confStream.flush();
confFile.close();
}
}
void Configure::configure()
{
FileWriter ci(buildPath + "/config.tests/configure.cfg");
ci << "# Feature defaults set by configure command line\n"
<< "config.input.qt_edition = " << dictionary["EDITION"] << "\n"
<< "config.input.qt_licheck = " << dictionary["LICHECK"] << "\n"
<< "config.input.qt_release_date = " << dictionary["RELEASEDATE"];
if (!ci.flush()) {
dictionary[ "DONE" ] = "error";
return;
}
QStringList args;
args << buildPath + "/bin/qmake"
<< sourcePathMangled
<< "--" << configCmdLine;
QString pwd = QDir::currentPath();
QDir::setCurrent(buildPathMangled);
if (int exitCode = Environment::execute(args, QStringList(), QStringList())) {
cout << "Qmake failed, return code " << exitCode << endl << endl;
dictionary[ "DONE" ] = "error";
}
QDir::setCurrent(pwd);
if ((dictionary["REDO"] != "yes") && (dictionary["DONE"] != "error"))
saveCmdLine();
}
bool Configure::showLicense(QString orgLicenseFile)
{
if (dictionary["LICENSE_CONFIRMED"] == "yes") {
cout << "You have already accepted the terms of the license." << endl << endl;
return true;
}
bool showGpl2 = true;
QString licenseFile = orgLicenseFile;
QString theLicense;
if (dictionary["EDITION"] == "OpenSource") {
if (platform() != WINDOWS_RT
&& (platform() != ANDROID || dictionary["ANDROID_STYLE_ASSETS"] == "no")) {
theLicense = "GNU Lesser General Public License (LGPL) version 3\n"
"or the GNU General Public License (GPL) version 2";
} else {
theLicense = "GNU Lesser General Public License (LGPL) version 3";
showGpl2 = false;
}
} else {
// the first line of the license file tells us which license it is
QFile file(licenseFile);
if (!file.open(QFile::ReadOnly)) {
cout << "Failed to load LICENSE file" << endl;
return false;
}
theLicense = file.readLine().trimmed();
}
forever {
char accept = '?';
cout << "You are licensed to use this software under the terms of" << endl
<< "the " << theLicense << "." << endl
<< endl;
if (dictionary["EDITION"] == "OpenSource") {
cout << "Type 'L' to view the GNU Lesser General Public License version 3 (LGPLv3)." << endl;
if (showGpl2)
cout << "Type 'G' to view the GNU General Public License version 2 (GPLv2)." << endl;
} else {
cout << "Type '?' to view the " << theLicense << "." << endl;
}
cout << "Type 'y' to accept this license offer." << endl
<< "Type 'n' to decline this license offer." << endl
<< endl
<< "Do you accept the terms of the license?" << endl;
cin >> accept;
accept = tolower(accept);
if (accept == 'y') {
configCmdLine << "-confirm-license";
return true;
} else if (accept == 'n') {
return false;
} else {
if (dictionary["EDITION"] == "OpenSource") {
if (accept == 'L')
licenseFile = orgLicenseFile + "/LICENSE.LGPL3";
else
licenseFile = orgLicenseFile + "/LICENSE.GPL2";
}
// Get console line height, to fill the screen properly
int i = 0, screenHeight = 25; // default
CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
HANDLE stdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (GetConsoleScreenBufferInfo(stdOut, &consoleInfo))
screenHeight = consoleInfo.srWindow.Bottom
- consoleInfo.srWindow.Top
- 1; // Some overlap for context
// Prompt the license content to the user
QFile file(licenseFile);
if (!file.open(QFile::ReadOnly)) {
cout << "Failed to load LICENSE file" << licenseFile << endl;
return false;
}
QStringList licenseContent = QString(file.readAll()).split('\n');
while (i < licenseContent.size()) {
cout << licenseContent.at(i) << endl;
if (++i % screenHeight == 0) {
promptKeyPress();
cout << "\r"; // Overwrite text above
}
}
}
}
}
void Configure::readLicense()
{
dictionary["PLATFORM NAME"] = platformName();
dictionary["LICENSE FILE"] = sourcePath;
bool openSource = false;
bool hasOpenSource = QFile::exists(dictionary["LICENSE FILE"] + "/LICENSE.LGPL3") || QFile::exists(dictionary["LICENSE FILE"] + "/LICENSE.GPL2");
if (dictionary["BUILDTYPE"] == "commercial") {
openSource = false;
} else if (dictionary["BUILDTYPE"] == "opensource") {
openSource = true;
} else if (hasOpenSource) { // No Open Source? Just display the commercial license right away
forever {
char accept = '?';
cout << "Which edition of Qt do you want to use ?" << endl;
cout << "Type 'c' if you want to use the Commercial Edition." << endl;
cout << "Type 'o' if you want to use the Open Source Edition." << endl;
cin >> accept;
accept = tolower(accept);
if (accept == 'c') {
openSource = false;
break;
} else if (accept == 'o') {
openSource = true;
break;
}
}
}
if (hasOpenSource && openSource) {
cout << endl << "This is the " << dictionary["PLATFORM NAME"] << " Open Source Edition." << endl;
dictionary["LICENSEE"] = "Open Source";
dictionary["EDITION"] = "OpenSource";
cout << endl;
if (!showLicense(dictionary["LICENSE FILE"])) {
cout << "Configuration aborted since license was not accepted";
dictionary["DONE"] = "error";
return;
}
} else if (openSource) {
cout << endl << "Cannot find the GPL license files! Please download the Open Source version of the library." << endl;
dictionary["DONE"] = "error";
return;
}
else {
Tools::checkLicense(dictionary, sourcePath, buildPath);
}
if (dictionary["BUILDTYPE"] == "none") {
if (openSource)
configCmdLine << "-opensource";
else
configCmdLine << "-commercial";
}
}
bool Configure::reloadCmdLine(int idx)
{
QFile inFile(buildPathMangled + "/config.opt");
if (!inFile.open(QFile::ReadOnly)) {
inFile.setFileName(buildPath + "/config.opt");
if (!inFile.open(QFile::ReadOnly)) {
inFile.setFileName(buildPath + "/configure.cache");
if (!inFile.open(QFile::ReadOnly)) {
cout << "No config.opt present - cannot redo configuration." << endl;
return false;
}
}
}
QTextStream inStream(&inFile);
while (!inStream.atEnd())
configCmdLine.insert(idx++, inStream.readLine().trimmed());
return true;
}
void Configure::saveCmdLine()
{
if (dictionary[ "REDO" ] != "yes") {
QFile outFile(buildPathMangled + "/config.opt");
if (outFile.open(QFile::WriteOnly | QFile::Text)) {
QTextStream outStream(&outFile);
for (QStringList::Iterator it = configCmdLine.begin(); it != configCmdLine.end(); ++it) {
outStream << (*it) << endl;
}
outStream.flush();
outFile.close();
}
}
}
bool Configure::isDone()
{
return !dictionary["DONE"].isEmpty();
}
bool Configure::isOk()
{
return (dictionary[ "DONE" ] != "error");
}
QString Configure::platformName() const
{
switch (platform()) {
default:
case WINDOWS:
return QStringLiteral("Qt for Windows");
case WINDOWS_RT:
return QStringLiteral("Qt for Windows Runtime");
case QNX:
return QStringLiteral("Qt for QNX");
case ANDROID:
return QStringLiteral("Qt for Android");
case OTHER:
return QStringLiteral("Qt for ???");
}
}
int Configure::platform() const
{
const QString xQMakeSpec = dictionary.value("XQMAKESPEC");
if ((xQMakeSpec.startsWith("winphone") || xQMakeSpec.startsWith("winrt")))
return WINDOWS_RT;
if (xQMakeSpec.contains("qnx"))
return QNX;
if (xQMakeSpec.contains("android"))
return ANDROID;
if (!xQMakeSpec.isEmpty())
return OTHER;
return WINDOWS;
}
FileWriter::FileWriter(const QString &name)
: QTextStream()
, m_name(name)
{
m_buffer.open(QIODevice::WriteOnly);
setDevice(&m_buffer);
}
bool FileWriter::flush()
{
QTextStream::flush();
QFile oldFile(m_name);
if (oldFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
if (oldFile.readAll() == m_buffer.data())
return true;
oldFile.close();
}
QString dir = QFileInfo(m_name).absolutePath();
if (!QDir().mkpath(dir)) {
cout << "Cannot create directory " << qPrintable(QDir::toNativeSeparators(dir)) << ".\n";
return false;
}
QFile file(m_name + ".new");
if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
if (file.write(m_buffer.data()) == m_buffer.data().size()) {
file.close();
if (file.error() == QFile::NoError) {
::SetFileAttributes((wchar_t*)m_name.utf16(), FILE_ATTRIBUTE_NORMAL);
QFile::remove(m_name);
if (!file.rename(m_name)) {
cout << "Cannot replace file " << qPrintable(QDir::toNativeSeparators(m_name)) << ".\n";
return false;
}
return true;
}
}
}
cout << "Cannot create file " << qPrintable(QDir::toNativeSeparators(file.fileName()))
<< ": " << qPrintable(file.errorString()) << ".\n";
file.remove();
return false;
}
QT_END_NAMESPACE
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