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Qt4/Qt5 neutral changes:

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+ re-implement built-in HTTP server without using in Qt5 removed classes QHttpResponseHeader and QHttpRequestHeader
This commit is contained in:
wmayer 2016-12-12 15:31:35 +01:00
parent 07943d2a9a
commit 4933e17a75
2 changed files with 34 additions and 147 deletions
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158
src/Gui/OnlineDocumentation.cpp
View File

@ -24,7 +24,6 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <QBuffer>
# include <QHttpResponseHeader>
# include <QMessageBox>
# include <QTcpSocket>
#endif
@ -69,119 +68,6 @@ static const unsigned char navicon_data[] = {
0x9c,0x3d,0x00,0x00,0x9f,0xfd,0x00,0x00,0x80,0xfd,0x00,0x00,0xff,0x7d,
0x00,0x00,0xfe,0x01,0x00,0x00,0xff,0x7f,0x00,0x00};
OnlineDocumentation::OnlineDocumentation()
{
// store the listed files in a stringlist
std::string path = App::GetApplication().getHomePath();
path += "/doc/docs.zip";
zipios::ZipFile zip(path);
if (zip.isValid()) {
zipios::ConstEntries entries = zip.entries();
for (zipios::ConstEntries::iterator it = entries.begin(); it != entries.end(); ++it) {
this->files.push_back(QString::fromLatin1((*it)->getFileName().c_str()));
}
}
}
OnlineDocumentation::~OnlineDocumentation()
{
}
QByteArray OnlineDocumentation::loadResource(const QString& filename) const
{
QString fn = filename;
fn = filename.mid(1);
QByteArray res;
if (fn == QLatin1String("favicon.ico")) {
// Return an resource icon in ico format
res.reserve(navicon_data_len);
for (int i=0; i<(int)navicon_data_len;i++) {
res[i] = navicon_data[i];
}
}
else if (filename == QLatin1String("/")) {
// load the startpage
QString header = QString::fromLatin1(
"<!doctype html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">"
"<link rel=\"shortcut icon\" href=\"favicon.ico\" type=\"image/x-icon\">"
"<html><head><title>Python: Index of Modules</title>"
"</head><body bgcolor=\"#f0f0f8\">"
""
"<table width=\"100%\" cellspacing=0 cellpadding=2 border=0 summary=\"heading\">"
"<tr bgcolor=\"#7799ee\">"
"<td valign=bottom>&nbsp;<br>"
"<font color=\"#ffffff\" face=\"helvetica, arial\">&nbsp;<br><big><big><strong>Python: Index of Modules</strong></big></big></font></td>"
"<td align=right valign=bottom>"
"<font color=\"#ffffff\" face=\"helvetica, arial\">&nbsp;</font></td></tr></table>"
"<p><p>"
"<table width=\"100%\" cellspacing=0 cellpadding=2 border=0 summary=\"section\">"
"<tr bgcolor=\"#ee77aa\">"
"<td colspan=3 valign=bottom>&nbsp;<br>"
"<font color=\"#ffffff\" face=\"helvetica, arial\"><big><strong>FreeCAD Modules</strong></big></font></td></tr>"
""
"<tr><td bgcolor=\"#ee77aa\"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>"
"<td width=\"100%\"><table width=\"100%\" summary=\"list\"><tr><td width=\"25%\" valign=top>");
int ct=0;
for (QStringList::ConstIterator it = this->files.begin(); it != this->files.end(); ++it) {
QString file = *it;
if (file.endsWith(QLatin1String(".html"))) {
file.chop(5);
if ((++ct)%15 == 0)
header += QString::fromLatin1("</td><td width=\"25%\" valign=top>");
header += QString::fromLatin1("<a href=\"%1.html\">%2</a><br>").arg(file).arg(file);
}
}
header += QString::fromLatin1(
"</td></tr></table></td></tr></table> <p>"
//"<p align=right>"
//"<font color=\"#909090\" face=\"helvetica, arial\"><strong>"
//"pydoc</strong> by Ka-Ping Yee &lt;ping@lfw.org&gt;</font>"
"</body></html>");
res.append(header);
}
else if (this->files.contains(fn)) {
// load the requested page from zip
std::string path = App::GetApplication().getHomePath();
path += "/doc/docs.zip";
zipios::ZipFile zip(path);
zipios::ConstEntryPointer entry = zip.getEntry((const char*)fn.toLatin1());
std::istream* str = zip.getInputStream(entry);
// set size of the array so that no re-allocation is needed when reading from the stream
res.reserve(entry->getSize());
QBuffer buffer(&res);
buffer.open(QIODevice::WriteOnly);
Base::IODeviceOStreambuf buf(&buffer);
(*str) >> &buf;
}
else {
// load the error page
QHttpResponseHeader header(404, QString::fromLatin1("File not found"));
header.setContentType(QString::fromLatin1("text/html\r\n"
"\r\n"
"<html><head><title>Error</title></head>"
"<body bgcolor=\"#f0f0f8\">"
"<table width=\"100%\" cellspacing=0 cellpadding=2 border=0 summary=\"heading\">"
"<tr bgcolor=\"#7799ee\">"
"<td valign=bottom>&nbsp;<br>"
"<font color=\"#ffffff\" face=\"helvetica, arial\">&nbsp;<br><big><big><strong>FreeCAD Documentation</strong></big></big></font></td>"
"<td align=right valign=bottom>"
"<font color=\"#ffffff\" face=\"helvetica, arial\">&nbsp;</font></td></tr></table>"
"<p><p>"
"<h1>404 - File not found</h1>"
"<div><p><strong>The requested URL was not found on this server."
"</strong></p>"
"</div></body>"
"</html>"
"\r\n"));
res.append(header.toString());
}
return res;
}
PythonOnlineHelp::PythonOnlineHelp()
{
}
@ -317,9 +203,8 @@ QByteArray PythonOnlineHelp::loadResource(const QString& filename) const
QByteArray PythonOnlineHelp::fileNotFound() const
{
QByteArray res;
QHttpResponseHeader header(404, QString::fromLatin1("File not found"));
header.setContentType(QString::fromLatin1("text/html\r\n"
QString contentType = QString::fromLatin1(
"text/html\r\n"
"\r\n"
"<html><head><title>Error</title></head>"
"<body bgcolor=\"#f0f0f8\">"
@ -335,8 +220,16 @@ QByteArray PythonOnlineHelp::fileNotFound() const
"</strong></p>"
"</div></body>"
"</html>"
"\r\n"));
res.append(header.toString());
"\r\n"
);
QString header = QString::fromLatin1("content-type: %1\r\n").arg(contentType);
QString http(QLatin1String("HTTP/1.1 %1 %2\r\n%3\r\n"));
QString httpResponseHeader = http.arg(404).arg(QLatin1String("File not found")).arg(header);
QByteArray res;
res.append(httpResponseHeader);
return res;
}
@ -376,14 +269,31 @@ void HttpServer::readClient()
return;
// This slot is called when the client sent data to the server. The
// server looks if it was a GET request and sends back the
// server looks if it was a GET request and sends back the
// corresponding HTML document from the ZIP file.
QTcpSocket* socket = (QTcpSocket*)sender();
if (socket->canReadLine()) {
QString request = QString::fromLatin1(socket->readLine());
QHttpRequestHeader header(request);
if (header.method() == QLatin1String("GET")) {
socket->write(help.loadResource(header.path()));
QString httpRequestHeader = QString::fromLatin1(socket->readLine());
QStringList lst = httpRequestHeader.simplified().split(QLatin1String(" "));
QString method;
QString path;
if (lst.count() > 0) {
QString m = lst[0];
if (lst.count() > 1) {
QString p = lst[1];
if (lst.count() > 2) {
QString v = lst[2];
if (v.length() >= 8 && v.left(5) == QLatin1String("HTTP/") &&
v[5].isDigit() && v[6] == QLatin1Char('.') && v[7].isDigit()) {
method = m;
path = p;
}
}
}
}
if (method == QLatin1String("GET")) {
socket->write(help.loadResource(path));
socket->close();
if (socket->state() == QTcpSocket::UnconnectedState) {
//mark the socket for deletion but do not destroy immediately

23
src/Gui/OnlineDocumentation.h
View File

@ -34,25 +34,6 @@ namespace Gui {
/// opens an URL in the system Browser
bool GuiExport OpenURLInBrowser(const char * URL);
/**
* Returns the content of an HTML page which gets sent to
* the client to be displayed.
* @author Werner Mayer
*/
class OnlineDocumentation : public QObject
{
Q_OBJECT
public:
OnlineDocumentation();
~OnlineDocumentation();
QByteArray loadResource(const QString& filename) const;
private:
QStringList files;
};
/**
* Returns the content of an HTML page which gets sent to
* the client to be displayed.
@ -110,10 +91,6 @@ private:
HttpServer* server;
};
// --------------------------------------------------------------------
}
#endif // GUI_ONLINEDOCUMENTATION_H