qnetworkaccesshttpbackend.cpp File Reference

#include "qnetworkaccesshttpbackend_p.h"
#include "qnetworkaccessmanager_p.h"
#include "qnetworkaccesscache_p.h"
#include "qabstractnetworkcache.h"
#include "qnetworkrequest.h"
#include "qnetworkreply.h"
#include "QtNetwork/private/qnetworksession_p.h"
#include "qnetworkrequest_p.h"
#include "qnetworkcookie_p.h"
#include "QtCore/qdatetime.h"
#include "QtCore/qelapsedtimer.h"
#include "QtNetwork/qsslconfiguration.h"
#include "qhttpthreaddelegate_p.h"
#include "qthread.h"
#include <string.h>

Go to the source code of this file.

Functions
static QHttpNetworkRequest::Priority	convert (const QNetworkRequest::Priority &prio)
static bool	isSeparator (register char c)
static QHash< QByteArray, QByteArray >	parseHttpOptionHeader (const QByteArray &header)

Function Documentation

convert()

static QHttpNetworkRequest::Priority convert ( const QNetworkRequest::Priority &  prio )

static

Definition at line 348 of file qnetworkaccesshttpbackend.cpp.

Referenced by QNetworkAccessHttpBackend::postRequest().

{
    switch (prio) {
    case QNetworkRequest::LowPriority:
        return QHttpNetworkRequest::LowPriority;
    case QNetworkRequest::HighPriority:
        return QHttpNetworkRequest::HighPriority;
    case QNetworkRequest::NormalPriority:
    default:
        return QHttpNetworkRequest::NormalPriority;
    }
}

isSeparator()

static bool isSeparator ( register char  c )

inlinestatic

Definition at line 69 of file qnetworkaccesshttpbackend.cpp.

Referenced by QComboBoxDelegate::paint(), parseHttpOptionHeader(), and QComboBoxDelegate::sizeHint().

{
    static const char separators[] = "()<>@,;:\\\"/[]?={}";
    return isLWS(c) || strchr(separators, c) != 0;
}

parseHttpOptionHeader()

static QHash<QByteArray, QByteArray> parseHttpOptionHeader ( const QByteArray &  header )

static

Definition at line 76 of file qnetworkaccesshttpbackend.cpp.

Referenced by QNetworkAccessHttpBackend::fetchCacheMetaData(), QNetworkAccessHttpBackend::loadFromCacheIfAllowed(), and QNetworkAccessHttpBackend::replyDownloadMetaData().

{
    // The HTTP header is of the form:
    // header          = #1(directives)
    // directives      = token | value-directive
    // value-directive = token "=" (token | quoted-string)
    QHash<QByteArray, QByteArray> result;

    int pos = 0;
    while (true) {
        // skip spaces
        pos = nextNonWhitespace(header, pos);
        if (pos == header.length())
            return result;      // end of parsing

        // pos points to a non-whitespace
        int comma = header.indexOf(',', pos);
        int equal = header.indexOf('=', pos);
        if (comma == pos || equal == pos)
            // huh? Broken header.
            return result;

        // The key name is delimited by either a comma, an equal sign or the end
        // of the header, whichever comes first
        int end = comma;
        if (end == -1)
            end = header.length();
        if (equal != -1 && end > equal)
            end = equal;        // equal sign comes before comma/end
        QByteArray key = QByteArray(header.constData() + pos, end - pos).trimmed().toLower();
        pos = end + 1;

        if (uint(equal) < uint(comma)) {
            // case: token "=" (token | quoted-string)
            // skip spaces
            pos = nextNonWhitespace(header, pos);
            if (pos == header.length())
                // huh? Broken header
                return result;

            QByteArray value;
            value.reserve(header.length() - pos);
            if (header.at(pos) == '"') {
                // case: quoted-string
                // quoted-string  = ( <"> *(qdtext | quoted-pair ) <"> )
                // qdtext         = <any TEXT except <">>
                // quoted-pair    = "\" CHAR
                ++pos;
                while (pos < header.length()) {
                    register char c = header.at(pos);
                    if (c == '"') {
                        // end of quoted text
                        break;
                    } else if (c == '\\') {
                        ++pos;
                        if (pos >= header.length())
                            // broken header
                            return result;
                        c = header.at(pos);
                    }

                    value += c;
                    ++pos;
                }
            } else {
                // case: token
                while (pos < header.length()) {
                    register char c = header.at(pos);
                    if (isSeparator(c))
                        break;
                    value += c;
                    ++pos;
                }
            }

            result.insert(key, value);

            // find the comma now:
            comma = header.indexOf(',', pos);
            if (comma == -1)
                return result;  // end of parsing
            pos = comma + 1;
        } else {
            // case: token
            // key is already set
            result.insert(key, QByteArray());
        }
    }
}