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improved code generation for virtual functions to support overriding getter slots that are named as properties...
improved code generation for virtual functions to support overriding getter slots that are named as properties git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@240 ea8d5007-eb21-0410-b261-ccb3ea6e24a9
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fileout.cpp
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/ generator / fileout.cpp
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florianlink
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 r10 /****************************************************************************
**
florianlink
updated generator to LGPLed version from gitorious...
 r87 ** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 **
florianlink
updated generator to LGPLed version from gitorious...
 r87 ** This file is part of the Qt Script Generator project on Qt Labs.
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 **
florianlink
updated generator to LGPLed version from gitorious...
 r87 ** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 **
florianlink
updated generator to LGPLed version from gitorious...
 r87 ** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 **
florianlink
updated generator to LGPLed version from gitorious...
 r87 ** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
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** $QT_END_LICENSE$
florianlink
syncing with my current work, updating to 1.2, see changelog...
 r10 **
****************************************************************************/
#include "fileout.h"
#include "reporthandler.h"
#include <QFileInfo>
#include <QDir>
bool FileOut::dummy = false;
bool FileOut::diff = false;
bool FileOut::license = false;
#ifdef Q_OS_LINUX
const char* colorDelete = "\033[31m";
const char* colorAdd = "\033[32m";
const char* colorInfo = "\033[36m";
const char* colorReset = "\033[0m";
#else
const char* colorDelete = "";
const char* colorAdd = "";
const char* colorInfo = "";
const char* colorReset = "";
#endif
FileOut::FileOut(QString n):
name(n),
stream(&tmp),
isDone(false)
{}
static int* lcsLength(QList<QByteArray> a, QList<QByteArray> b) {
const int height = a.size() + 1;
const int width = b.size() + 1;
int *res = new int[width * height];
for (int row=0; row<height; row++) {
res[width * row] = 0;
}
for (int col=0; col<width; col++) {
res[col] = 0;
}
for (int row=1; row<height; row++) {
for (int col=1; col<width; col++) {
if (a[row-1] == b[col-1])
res[width * row + col] = res[width * (row-1) + col-1] + 1;
else
res[width * row + col] = qMax(res[width * row + col-1],
res[width * (row-1) + col]);
}
}
return res;
}
enum Type {Add, Delete, Unchanged};
struct Unit
{
Unit(Type type, int pos) :
type(type),
start(pos),
end(pos)
{}
Type type;
int start;
int end;
void print(QList<QByteArray> a, QList<QByteArray> b){
{
if (type == Unchanged) {
if ((end - start) > 9) {
for (int i = start; i <= start+2; i++)
printf(" %s\n", a[i].data());
printf("%s=\n= %d more lines\n=%s\n", colorInfo, end - start - 6, colorReset);
for (int i = end-2; i <= end; i++)
printf(" %s\n", a[i].data());
}
else
for (int i = start; i <= end; i++)
printf(" %s\n", a[i].data());
}
else if(type == Add) {
printf("%s", colorAdd);
for (int i = start; i <= end; i++){
printf("+ %s\n", b[i].data());
}
printf("%s", colorReset);
}
else if (type == Delete) {
printf("%s", colorDelete);
for (int i = start; i <= end; i++) {
printf("- %s\n", a[i].data());
}
printf("%s", colorReset);
}
}
}
};
static QList<Unit*> *unitAppend(QList<Unit*> *res, Type type, int pos)
{
if (res == 0) {
res = new QList<Unit*>;
res->append(new Unit(type, pos));
return res;
}
Unit *last = res->last();
if (last->type == type) {
last->end = pos;
} else {
res->append(new Unit(type, pos));
}
return res;
}
static QList<Unit*> *diffHelper(int *lcs, QList<QByteArray> a, QList<QByteArray> b, int row, int col) {
if (row>0 && col>0 && (a[row-1] == b[col-1])) {
return unitAppend(diffHelper(lcs, a, b, row-1, col-1), Unchanged, row-1);
}
else {
int width = b.size()+1;
if ((col > 0) && ((row==0) ||
lcs[width * row + col-1] >= lcs[width * (row-1) + col]))
{
return unitAppend(diffHelper(lcs, a, b, row, col-1), Add, col-1);
}
else if((row > 0) && ((col==0) ||
lcs[width * row + col-1] < lcs[width * (row-1) + col])){
return unitAppend(diffHelper(lcs, a, b, row-1, col), Delete, row-1);;
}
}
delete lcs;
return 0;
}
static void diff(QList<QByteArray> a, QList<QByteArray> b) {
QList<Unit*> *res = diffHelper(lcsLength(a, b), a, b, a.size(), b.size());
for (int i=0; i < res->size(); i++) {
Unit *unit = res->at(i);
unit->print(a, b);
delete(unit);
}
delete(res);
}
bool FileOut::done() {
Q_ASSERT( !isDone );
isDone = true;
bool fileEqual = false;
QFile fileRead(name);
QFileInfo info(fileRead);
stream.flush();
QByteArray original;
if (info.exists() && (diff || (info.size() == tmp.size()))) {
if ( !fileRead.open(QIODevice::ReadOnly) ) {
ReportHandler::warning(QString("failed to open file '%1' for reading")
.arg(fileRead.fileName()));
return false;
}
original = fileRead.readAll();
fileRead.close();
fileEqual = (original == tmp);
}
if( !fileEqual ) {
if( !FileOut::dummy ) {
QDir dir(info.absolutePath());
if (!dir.mkpath(dir.absolutePath())) {
ReportHandler::warning(QString("unable to create directory '%1'")
.arg(dir.absolutePath()));
return false;
}
QFile fileWrite(name);
if (!fileWrite.open(QIODevice::WriteOnly)) {
ReportHandler::warning(QString("failed to open file '%1' for writing")
.arg(fileWrite.fileName()));
return false;
}
stream.setDevice(&fileWrite);
stream << tmp;
}
if (diff) {
printf("%sFile: %s%s\n", colorInfo, qPrintable(name), colorReset);
::diff(original.split('\n'), tmp.split('\n'));
printf("\n");
}
return true;
}
return false;
}