void Book::parseOPF(BLUnZip& zip)
{
std::string data = zip.ExtractToString(m_opf);
XMLDocument doc;
doc.Parse(data.c_str());
XMLElement* package = doc.FirstChildElement("package");
XMLElement* metadata = package->FirstChildElement("metadata");
XMLElement* manifest = package->FirstChildElement("manifest");
XMLElement* item = manifest->FirstChildElement("item");
m_title = metadata->FirstChildElement("dc:title")->GetText();
m_author = metadata->FirstChildElement("dc:creator")->GetText();
for(XMLElement* rfe = item; rfe != nullptr; rfe = rfe->NextSiblingElement("item"))
{
m_manifest.emplace(rfe->Attribute("id"), rfe->Attribute("href"));
}
XMLElement* spine = package->FirstChildElement("spine");
XMLElement* itemref = spine->FirstChildElement("itemref");
for (XMLElement* it = itemref; it != nullptr; it = it->NextSiblingElement("itemref"))
{
m_spine.push_back(it->Attribute("idref"));
}
}
void Book::parsePages(BLUnZip& zip)
{
for (size_t i = 0; i < m_spine.size(); ++i)
{
std::string data = zip.ExtractToString(m_container + m_manifest[m_spine[i]]);
XMLDocument doc;
doc.Parse(data.c_str());
XMLElement* html = doc.FirstChildElement("html");
XMLElement* body = html->FirstChildElement("body");
for (XMLElement* next = body->FirstChildElement(); next != nullptr; next = next->NextSiblingElement())
{
if (next)
{
const char* textStr = next->GetText();
if (textStr)
{
std::string str(textStr);
shortenString(m_text, str);
}
}
}
}
}
void Book::ParseContainer(BLUnZip& zipfile)
{
std::string unclean( zipfile.ExtractToString("META-INF/container.xml") );
XMLDocument doc;
doc.Parse( unclean.c_str() );
XMLElement* container = doc.FirstChildElement( "container" );
XMLElement* rootfiles = container->FirstChildElement( "rootfiles" );
XMLElement* rootfile = rootfiles->FirstChildElement( "rootfile" );
opf = rootfile->Attribute("full-path");
}
void Book::ParsePages(BLUnZip& zipfile)
{
std::vector<char> filter(std::numeric_limits<unsigned char>::max(), 1);
for (unsigned char c : valid)
{
filter[c] = 0;
}
// spine.size(); or 7
for (unsigned int i = 0; i != spine.size(); i++)
{
TextVisitor tv;
std::string page ( zipfile.ExtractToString( manifest[spine[i]]) );
XMLDocument doc;
doc.Parse(page.c_str());
XMLElement* body = doc.FirstChildElement("html")->FirstChildElement("body");
body->Accept(&tv);
for (auto& v : tv.GetText())
{
alltext.push_back(v);
}
// clean up text, remove any random / corrupt characters
// https://github.com/dietmarkuehl/cputube/blob/master/cpu/test/replace.cpp
for (auto& text : alltext)
{/*
text.erase(std::remove_if(text.begin(), text.end(),
[&](unsigned char c)
{ return filter[c]; }
), text.end());
*/
std::replace_if(text.begin(), text.end(), [&](unsigned char c) { return filter[c]; }, '\'');
}
}
}
void Book::parseContainer(BLUnZip& zip)
{
std::string data = zip.ExtractToString("META-INF/container.xml");
XMLDocument doc;
doc.Parse(data.c_str());
XMLElement* container = doc.FirstChildElement("container");
XMLElement* rootfiles = container->FirstChildElement("rootfiles");
XMLElement* rootfile = rootfiles->FirstChildElement("rootfile");
m_opf = rootfile->Attribute("full-path");
auto pos = m_opf.find("content.opf");
if (pos == 0)
{
m_container = "";
}
else
{
m_container = m_opf.substr(0, pos);
}
}
void Book::ParseOPF(BLUnZip& zipfile)
{
std::string unclean( zipfile.ExtractToString( opf ) );
XMLDocument doc;
doc.Parse( unclean.c_str() );
XMLElement* package = doc.FirstChildElement("package");
XMLElement* manifest_ = package->FirstChildElement("manifest");
XMLElement* item = manifest_->FirstChildElement("item");
for(XMLElement* rfe = item; rfe != nullptr; rfe = rfe->NextSiblingElement("item"))
{
manifest.emplace(rfe->Attribute("id"), rfe->Attribute("href"));
}
XMLElement* spine_ = package->FirstChildElement("spine");
XMLElement* itemref = spine_->FirstChildElement("itemref");
for (XMLElement* rfe = itemref; rfe != nullptr; rfe = rfe->NextSiblingElement("itemref"))
{
spine.push_back(rfe->Attribute("idref"));
}
}
