/* Article parser methods */
void *Indexer::parseArticles(void *ptr) {
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
kiwix::Indexer *self = (kiwix::Indexer *)ptr;
size_t found;
indexerToken token;
while (self->popFromToParseQueue(token)) {
MyHtmlParser htmlParser;
/* The parser generate a lot of exceptions which should be avoided */
try {
htmlParser.parse_html(token.content, "UTF-8", true);
} catch (...) {
}
/* If content does not have the noindex meta tag */
/* Seems that the parser generates an exception in such case */
found = htmlParser.dump.find("NOINDEX");
if (found == string::npos) {
/* Get the accented title */
token.accentedTitle = (htmlParser.title.empty() ? token.title : htmlParser.title);
/* count words */
stringstream countWordStringStream;
countWordStringStream << self->countWords(htmlParser.dump);
token.wordCount = countWordStringStream.str();
/* snippet */
std::string snippet = std::string(htmlParser.dump, 0, 300);
std::string::size_type last = snippet.find_last_of('.');
if (last == snippet.npos)
last = snippet.find_last_of(' ');
if (last != snippet.npos)
snippet = snippet.substr(0, last);
token.snippet = snippet;
/* size */
stringstream sizeStringStream;
sizeStringStream << token.content.size() / 1024;
token.size = sizeStringStream.str();
/* Remove accent */
token.title = kiwix::removeAccents(token.accentedTitle);
token.keywords = kiwix::removeAccents(htmlParser.keywords);
token.content = kiwix::removeAccents(htmlParser.dump);
self->pushToIndexQueue(token);
}
/* Test if the thread should be cancelled */
pthread_testcancel();
}
self->articleParserRunning(false);
pthread_exit(NULL);
return NULL;
}
bool MimeHandlerHtml::next_document()
{
if (m_havedoc == false)
return false;
m_havedoc = false;
// If set_doc(fn), take note of file name.
string fn = m_filename;
m_filename.erase();
string charset = m_dfltInputCharset;
LOGDEB(("MHHtml::next_doc.: default supposed input charset: [%s]\n",
charset.c_str()));
// Override default input charset if someone took care to set one:
map<string,string>::const_iterator it = m_metaData.find(cstr_dj_keycharset);
if (it != m_metaData.end() && !it->second.empty()) {
charset = it->second;
LOGDEB(("MHHtml: next_doc.: input charset from ext. metadata: [%s]\n",
charset.c_str()));
}
// - We first try to convert from the supposed charset
// (which may depend of the current directory) to utf-8. If this
// fails, we keep the original text
// - During parsing, if we find a charset parameter, and it differs from
// what we started with, we abort and restart with the parameter value
// instead of the configuration one.
MyHtmlParser result;
for (int pass = 0; pass < 2; pass++) {
string transcoded;
LOGDEB(("Html::mkDoc: pass %d\n", pass));
MyHtmlParser p;
// Try transcoding. If it fails, use original text.
int ecnt;
if (!transcode(m_html, transcoded, charset, "UTF-8", &ecnt)) {
LOGDEB(("textHtmlToDoc: transcode failed from cs '%s' to UTF-8 for"
"[%s]", charset.c_str(), fn.empty()?"unknown":fn.c_str()));
transcoded = m_html;
// We don't know the charset, at all
p.reset_charsets();
charset.clear();
} else {
if (ecnt) {
if (pass == 0) {
LOGDEB(("textHtmlToDoc: init transcode had %d errors for "
"[%s]\n", ecnt, fn.empty()?"unknown":fn.c_str()));
} else {
LOGERR(("textHtmlToDoc: final transcode had %d errors for "
"[%s]\n", ecnt, fn.empty()?"unknown":fn.c_str()));
}
}
// charset has the putative source charset, transcoded is now
// in utf-8
p.set_charsets(charset, "utf-8");
}
try {
p.parse_html(transcoded);
// No exception: ok? But throw true to use the same
// code path as if an exception had been thrown by parse_html
throw true;
break;
} catch (bool diag) {
result = p;
if (diag == true) {
// Parser throws true at end of text. ok
if (m_forPreview) {
// Save the html text
m_html = transcoded;
// In many cases, we need to change the charset decl,
// because the file was transcoded. It seems that just
// inserting one is enough (only the 1st one seems to
// be used by browsers/qtextedit).
string::size_type idx = m_html.find("<head>");
if (idx == string::npos)
idx = m_html.find("<HEAD>");
if (idx != string::npos)
m_html.replace(idx+6, 0,
"<meta http-equiv=\"content-type\" "
"content=\"text/html; charset=utf-8\">");
}
break;
}
LOGDEB(("textHtmlToDoc: charset [%s] doc charset [%s]\n",
charset.c_str(), result.get_charset().c_str()));
if (!result.get_charset().empty() &&
!samecharset(result.get_charset(), result.fromcharset)) {
LOGDEB(("textHtmlToDoc: reparse for charsets\n"));
// Set the origin charset as specified in document before
// transcoding again
charset = result.get_charset();
} else {
LOGERR(("textHtmlToDoc:: error: non charset exception\n"));
return false;
}
}
}
m_metaData[cstr_dj_keyorigcharset] = result.get_charset();
m_metaData[cstr_dj_keycontent] = result.dump;
m_metaData[cstr_dj_keycharset] = cstr_utf8;
// Avoid setting empty values which would crush ones possibly inherited
// from parent (if we're an attachment)
if (!result.dmtime.empty())
m_metaData[cstr_dj_keymd] = result.dmtime;
m_metaData[cstr_dj_keymt] = cstr_textplain;
for (map<string,string>::const_iterator it = result.meta.begin();
it != result.meta.end(); it++) {
if (!it->second.empty())
m_metaData[it->first] = it->second;
}
return true;
}