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#include "config.h"
#include <QDebug>
#include <QFile>
#include <cstring>
#include <catch2/catch_test_macros.hpp>
using namespace std;
// make test ARGS="-V -I 3,3"
struct ZipLocalFileHeader
{
quint32 header_signature;
char version[2];
char bit_flag[2];
char compression_method[2];
char last_modification_time[2];
char last_modification_date[2];
char crc[4];
quint32 compressed_size = 0;
quint32 uncompressed_size = 0;
quint16 name_length = 0;
quint16 extra_field_length = 0;
};
/** @brief function that reads the device to find the next zip header file and
* tell if it is the expected filename
*
* it reads the device to find the header describing a file contained in the zip
* archive once the header is found, it checks that this is the expected
* filename
*
* @param look_for a file name that this archive must contain
*
* @return bool If the filename zip header is equal to "look_for", then it
* returns true, false otherwise
*/
bool
readZipHeaderBuffer(QIODevice *p_device, const QString &look_for)
{
QString filename;
ZipLocalFileHeader zip_header;
qDebug();
char zip_header_buffer[30];
if(p_device->atEnd())
{
qDebug();
return false;
}
p_device->read(zip_header_buffer, sizeof(char[30]));
qDebug();
if(p_device->atEnd())
{
qDebug() << "atEnd 1";
return false;
}
std::strncpy(zip_header.crc, zip_header_buffer + 14, 4);
zip_header.header_signature = *(zip_header_buffer);
zip_header.compressed_size = *(zip_header_buffer + 18);
zip_header.uncompressed_size = *(zip_header_buffer + 22);
zip_header.name_length = *(zip_header_buffer + 26);
zip_header.extra_field_length = *(zip_header_buffer + 28);
char word[255];
std::strncpy(word, zip_header.crc, 4);
word[4] = '\0';
qDebug() << "word=" << word;
qDebug() << "header_signature=" << zip_header.header_signature;
qDebug() << "filename length=" << zip_header.name_length;
qDebug() << "compressed size=" << zip_header.compressed_size;
qDebug() << "uncompressed size=" << zip_header.uncompressed_size;
qDebug();
char one_byte;
quint16 i = 0;
while(i < zip_header.name_length)
{
p_device->read(&one_byte, sizeof(char));
if(p_device->atEnd())
{
qDebug() << "atEnd 4";
return false;
}
if(i < 254)
{
word[i] = one_byte;
}
else
{
word[254] = '\0';
}
i++;
}
if(i < 254)
{
word[i] = '\0';
}
filename = word;
qDebug() << "filename=" << filename;
qDebug();
p_device->read(word, sizeof(char[zip_header.extra_field_length]));
if(p_device->atEnd())
{
qDebug() << "atEnd 3";
return false;
}
qDebug();
i = 0;
while(i < zip_header.extra_field_length)
{
p_device->read(&one_byte, sizeof(char));
if(p_device->atEnd())
{
qDebug() << "atEnd 4";
return false;
}
i++;
}
qDebug();
if(look_for == filename)
return true;
qDebug();
quint32 j = 0;
while(j < zip_header.compressed_size)
{
p_device->read(&one_byte, sizeof(char));
if(p_device->atEnd())
{
qDebug() << "atEnd 5";
return false;
}
j++;
}
return false;
}
TEST_CASE("test zlib compliance.", "[zlib]")
{
// Set the debugging message formatting pattern.
qSetMessagePattern(QString("%{file}@%{line}, %{function}(): %{message}"));
SECTION("..:: test zlib compliance on an ODS file from data tests ::..",
"[zlib]")
{
QFile file(QString(CMAKE_SOURCE_DIR).append("/test/data/xic.ods"));
if(file.open(QIODevice::ReadOnly))
{
INFO(QString("reading file %1").arg(file.fileName()).toStdString());
// if(!file.open(QIODevice::ReadOnly))
// qFatal(QString("Failed to open file %1").arg(file.fileName()));
while(readZipHeaderBuffer(&file, "content") == false)
{
if(file.atEnd())
{
qDebug() << "atEnd main";
break;
}
qDebug() << "ok main";
}
file.close();
}
else
{
FAIL("Unable to read file" << file.fileName().toStdString());
}
}
}
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