smil_document_reader::smil_document_reader(const std::shared_ptr<xml::reader> &aReader, const rdf::uri &aSubject, rdf::graph &aPrimaryMetadata)
: reader(aReader)
, mBasePath(cainteoir::path(aSubject.str()).parent())
{
aReader->set_nodes(xmlns::smil, smil_nodes);
aReader->set_attrs(xmlns::smil, smil_attrs);
aReader->set_attrs(xmlns::xml, xml::attrs);
const xml::context::entry *current = aReader->context();
while (aReader->read() && current != &smil::body_node) switch (aReader->nodeType())
{
case xml::reader::attribute:
if (current == &smil::smil_node)
{
if (aReader->context() == &xml::lang_attr)
aPrimaryMetadata.statement(aSubject, rdf::dc("language"), rdf::literal(aReader->nodeValue().str()));
}
break;
case xml::reader::beginTagNode:
current = aReader->context();
break;
default:
break;
}
aPrimaryMetadata.statement(aSubject, rdf::tts("mimetype"), rdf::literal("application/smil"));
}
rtf_document_reader::rtf_document_reader(std::shared_ptr<cainteoir::buffer> &aData, const rdf::uri &aSubject, rdf::graph &aPrimaryMetadata, const std::string &aTitle)
: rtf(aData)
, mData(aData)
, mSubject(aSubject)
, mCodepage(1252)
, mState(state_rtf)
, mBlockCount(0)
, mTitle(aTitle)
, mClearText(false)
{
if (rtf.read() && read(&aPrimaryMetadata))
{
range = { 0, 0 };
mState = state_title;
}
aPrimaryMetadata.statement(aSubject, rdf::tts("mimetype"), rdf::literal("application/rtf"));
}
void cainteoir::mime::mimetype::metadata(rdf::graph &aGraph, const std::string &baseuri, const rdf::uri &type) const
{
const mime_info *mime = (const mime_info *)info;
if (!mime)
mime = &mimetypes[mime_type];
rdf::uri ref = rdf::uri(baseuri, name);
aGraph.statement(ref, rdf::rdf("type"), type);
aGraph.statement(ref, rdf::tts("name"), rdf::literal(name));
aGraph.statement(ref, rdf::dc("title"), rdf::literal(mime->label));
aGraph.statement(ref, rdf::dc("description"), rdf::literal(mime->label));
for (auto &mimetype : mime->mimetypes)
aGraph.statement(ref, rdf::tts("mimetype"), rdf::literal(mimetype));
for (auto &glob : mime->globs)
aGraph.statement(ref, rdf::tts("extension"), rdf::literal(glob));
}
bool parse_headers(const rdf::uri &subject, rdf::graph &aGraph, cainteoir::buffer &boundary)
{
while (first <= last)
{
if (*first == '~')
++first;
cainteoir::buffer name(first, first);
cainteoir::buffer value(first, first);
while (first <= last && is_mime_header_char(*first))
++first;
name = cainteoir::buffer(name.begin(), first);
if (name.empty())
{
if (*first == '\r' || *first == '\n')
{
++first;
if (*first == '\n')
++first;
return true;
}
return false;
}
if (first[0] == ':' && first[1] == ' ')
{
const char * start = first;
while (first <= last && !(first[0] == '\n' && first[1] != ' ' && first[1] != '\t'))
++first;
value = cainteoir::buffer(start + 2, *(first-1) == '\r' ? first-1 : first);
++first;
}
else
return false;
if (!name.comparei("Content-Transfer-Encoding"))
{
const char * type = value.begin();
while (type <= value.end() && !(*type == ';' || *type == '\n'))
++type;
encoding = std::string(value.begin(), *(type-1) == '\r' ? type-1 : type);
}
else if (!name.comparei("Content-Type"))
{
const char * type = value.begin();
while (type <= value.end() && !(*type == ';' || *type == '\n'))
++type;
mimetype = std::string(value.begin(), type);
if (type <= value.end() && *type == ';')
{
++type;
while (type <= value.end() && (*type == ' ' || *type == '\t' || *type == '\r' || *type == '\n'))
++type;
const char * name = type;
while (type <= value.end() && *type != '=')
++type;
if (*type != '=') continue;
cainteoir::buffer arg(name, type);
++type;
char end_of_value = '\n';
if (*type == '"')
{
++type;
end_of_value = '"';
}
const char * content = type;
while (type <= value.end() && *type != end_of_value)
++type;
if (!arg.compare("boundary"))
boundary = cainteoir::buffer(content, type);
else if (!arg.compare("charset"))
charset = cainteoir::buffer(content, type).str();
}
}
else if (!name.comparei("Subject") || !name.comparei("Title") || !name.comparei("Story"))
{
title = value.str();
aGraph.statement(subject, rdf::dc("title"), rdf::literal(title));
}
else if (!name.comparei("From") || !name.comparei("Author"))
{
// name ...
const char *name_begin = value.begin();
const char *name_end = value.begin();
const char *mbox_begin = nullptr;
const char *mbox_end = nullptr;
const char *email_at = nullptr;
bool mbox_is_name = false;
while (name_end <= value.end() && *name_end == ' ')
++name_end;
name_begin = name_end;
while (name_end <= value.end() && *name_end != '<' && *name_end != '(' && !(name_end[0] == '&' && name_end[1] == 'l' && name_end[2] == 't' && name_end[3] == ';'))
{
if (*name_end == '@') // email only ...
{
email_at = name_end;
mbox_begin = name_begin;
mbox_end = name_end;
mbox_is_name = true;
}
++name_end;
}
if (name_end < value.end()) // email address ...
{
if (*name_end == '&') // <...>
{
mbox_is_name = false;
mbox_begin = name_end + 4;
mbox_end = value.end();
while (mbox_end > mbox_begin && !(mbox_end[0] == '&' && mbox_end[1] == 'g' && mbox_end[2] == 't' && mbox_end[3] == ';'))
--mbox_end;
}
else if (*name_end == '<') // <...>
{
mbox_is_name = false;
mbox_begin = name_end + 1;
mbox_end = value.end();
while (mbox_end > mbox_begin && *mbox_end != '>')
--mbox_end;
}
else // (...)
{
mbox_is_name = true;
mbox_begin = name_end + 1;
mbox_end = value.end();
while (mbox_end > mbox_begin && *mbox_end != ')')
--mbox_end;
}
}
// clean-up name ...
--name_end;
while (name_end > value.begin() && (*name_end == ' ' || *name_end == '\r' || *name_end == '\n'))
--name_end;
++name_end;
if (*name_begin == '"' && *(name_end-1) == '"')
{
++name_begin;
--name_end;
}
if (email_at && !mbox_is_name)
name_end = email_at;
if (mbox_begin == nullptr) // name only ...
aGraph.statement(subject, rdf::dc("creator"), rdf::literal(std::string(name_begin, value.end())));
else // name and email address ...
{
const rdf::uri from = aGraph.genid();
aGraph.statement(subject, rdf::dc("creator"), from);
aGraph.statement(from, rdf::rdf("type"), rdf::foaf("Person"));
if (mbox_is_name)
{
aGraph.statement(from, rdf::rdf("value"), rdf::literal(std::string(mbox_begin, mbox_end)));
aGraph.statement(from, rdf::foaf("mbox"), rdf::literal("mailto:" + std::string(name_begin, name_end)));
}
else
{
aGraph.statement(from, rdf::rdf("value"), rdf::literal(std::string(name_begin, name_end)));
aGraph.statement(from, rdf::foaf("mbox"), rdf::literal("mailto:" + std::string(mbox_begin, mbox_end)));
}
}
}
else if (!name.comparei("Newsgroups"))
aGraph.statement(subject, rdf::dc("publisher"), rdf::literal(value.str()));
else if (!name.comparei("Keywords"))
{
const char *a = value.begin();
const char *b = value.begin();
while (a != value.end())
{
a = b;
while (a != value.end() && (*a == ',' || *a == ' '))
++a;
b = a;
while (b != value.end() && *b != ',')
++b;
if (b == value.end())
--b;
while (b != a && (*b == ',' || *b == ' '))
--b;
++b;
if (b > a)
aGraph.statement(subject, rdf::dc("subject"), rdf::literal(std::string(a, b)));
}
}
}
return false;
}