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/*
* Copyright (C) 2004-2012 Geometer Plus <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "HtmlDescriptionReader.h"
#include "../../library/Book.h"
HtmlDescriptionReader::HtmlDescriptionReader(Book &book) : HtmlReader(book.encoding()), myBook(book) {
myBook.setTitle("");
}
void HtmlDescriptionReader::startDocumentHandler() {
myReadTitle = false;
}
void HtmlDescriptionReader::endDocumentHandler() {
if (!myBook.title().empty()) {
const char *titleStart = myBook.title().data();
const char *titleEnd = titleStart + myBook.title().length();
std::string newTitle;
myConverter->convert(newTitle, titleStart, titleEnd);
myBook.setTitle(newTitle);
}
}
bool HtmlDescriptionReader::tagHandler(const HtmlTag &tag) {
if (tag.Name == "TITLE") {
if (myReadTitle && !tag.Start) {
myBook.setTitle(myBuffer);
myBuffer.erase();
}
myReadTitle = tag.Start && myBook.title().empty();
return true;
} else if (tag.Start && tag.Name == "META") {
std::vector<HtmlAttribute>::const_iterator it = tag.Attributes.begin();
for (; it != tag.Attributes.end(); ++it) {
if (it->Name == "CONTENT") {
break;
}
}
if (it != tag.Attributes.end()) {
const std::string prefix = "charset=";
std::size_t index = it->Value.find(prefix);
if (index != std::string::npos) {
std::string charset = it->Value.substr(index + prefix.length());
index = charset.find(';');
if (index != std::string::npos) {
charset = charset.substr(0, index);
}
index = charset.find(' ');
if (index != std::string::npos) {
charset = charset.substr(0, index);
}
myBook.setEncoding(charset);
}
}
}
return tag.Name != "BODY";
}
bool HtmlDescriptionReader::characterDataHandler(const char *text, std::size_t len, bool) {
if (myReadTitle) {
myBuffer.append(text, len);
}
return true;
}
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