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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 <cstdlib>
#include <ZLInputStream.h>
#include <ZLUnicodeUtil.h>
#include "FB2MetaInfoReader.h"
#include "FB2TagManager.h"
#include "../../library/Book.h"
FB2MetaInfoReader::FB2MetaInfoReader(Book &book) : myBook(book) {
myBook.removeAllAuthors();
myBook.setTitle(std::string());
myBook.setLanguage(std::string());
myBook.removeAllTags();
}
void FB2MetaInfoReader::characterDataHandler(const char *text, std::size_t len) {
switch (myReadState) {
case READ_TITLE:
myBuffer.append(text, len);
break;
case READ_LANGUAGE:
myBuffer.append(text, len);
break;
case READ_AUTHOR_NAME_0:
myAuthorNames[0].append(text, len);
break;
case READ_AUTHOR_NAME_1:
myAuthorNames[1].append(text, len);
break;
case READ_AUTHOR_NAME_2:
myAuthorNames[2].append(text, len);
break;
case READ_GENRE:
myBuffer.append(text, len);
break;
default:
break;
}
}
void FB2MetaInfoReader::startElementHandler(int tag, const char **attributes) {
switch (tag) {
case _BODY:
myReturnCode = true;
interrupt();
break;
case _TITLE_INFO:
myReadState = READ_SOMETHING;
break;
case _BOOK_TITLE:
if (myReadState == READ_SOMETHING) {
myReadState = READ_TITLE;
}
break;
case _GENRE:
if (myReadState == READ_SOMETHING) {
myReadState = READ_GENRE;
}
break;
case _AUTHOR:
if (myReadState == READ_SOMETHING) {
myReadState = READ_AUTHOR;
}
break;
case _LANG:
if (myReadState == READ_SOMETHING) {
myReadState = READ_LANGUAGE;
}
break;
case _FIRST_NAME:
if (myReadState == READ_AUTHOR) {
myReadState = READ_AUTHOR_NAME_0;
}
break;
case _MIDDLE_NAME:
if (myReadState == READ_AUTHOR) {
myReadState = READ_AUTHOR_NAME_1;
}
break;
case _LAST_NAME:
if (myReadState == READ_AUTHOR) {
myReadState = READ_AUTHOR_NAME_2;
}
break;
case _SEQUENCE:
if (myReadState == READ_SOMETHING) {
const char *name = attributeValue(attributes, "name");
if (name != 0) {
std::string seriesTitle = name;
ZLUnicodeUtil::utf8Trim(seriesTitle);
const char *number = attributeValue(attributes, "number");
myBook.setSeries(seriesTitle, number != 0 ? std::string(number) : std::string());
}
}
break;
default:
break;
}
}
void FB2MetaInfoReader::endElementHandler(int tag) {
switch (tag) {
case _TITLE_INFO:
myReadState = READ_NOTHING;
break;
case _BOOK_TITLE:
if (myReadState == READ_TITLE) {
myBook.setTitle(myBuffer);
myBuffer.erase();
myReadState = READ_SOMETHING;
}
break;
case _GENRE:
if (myReadState == READ_GENRE) {
ZLUnicodeUtil::utf8Trim(myBuffer);
if (!myBuffer.empty()) {
const std::vector<std::string> &tags =
FB2TagManager::Instance().humanReadableTags(myBuffer);
if (!tags.empty()) {
for (std::vector<std::string>::const_iterator it = tags.begin(); it != tags.end(); ++it) {
myBook.addTag(*it);
}
} else {
myBook.addTag(myBuffer);
}
myBuffer.erase();
}
myReadState = READ_SOMETHING;
}
break;
case _AUTHOR:
if (myReadState == READ_AUTHOR) {
ZLUnicodeUtil::utf8Trim(myAuthorNames[0]);
ZLUnicodeUtil::utf8Trim(myAuthorNames[1]);
ZLUnicodeUtil::utf8Trim(myAuthorNames[2]);
std::string fullName = myAuthorNames[0];
if (!fullName.empty() && !myAuthorNames[1].empty()) {
fullName += ' ';
}
fullName += myAuthorNames[1];
if (!fullName.empty() && !myAuthorNames[2].empty()) {
fullName += ' ';
}
fullName += myAuthorNames[2];
myBook.addAuthor(fullName, myAuthorNames[2]);
myAuthorNames[0].erase();
myAuthorNames[1].erase();
myAuthorNames[2].erase();
myReadState = READ_SOMETHING;
}
break;
case _LANG:
if (myReadState == READ_LANGUAGE) {
myBook.setLanguage(myBuffer);
myBuffer.erase();
myReadState = READ_SOMETHING;
}
break;
case _FIRST_NAME:
if (myReadState == READ_AUTHOR_NAME_0) {
myReadState = READ_AUTHOR;
}
break;
case _MIDDLE_NAME:
if (myReadState == READ_AUTHOR_NAME_1) {
myReadState = READ_AUTHOR;
}
break;
case _LAST_NAME:
if (myReadState == READ_AUTHOR_NAME_2) {
myReadState = READ_AUTHOR;
}
break;
default:
break;
}
}
bool FB2MetaInfoReader::readMetaInfo() {
myReadState = READ_NOTHING;
for (int i = 0; i < 3; ++i) {
myAuthorNames[i].erase();
}
return readDocument(myBook.file());
}
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