1 files changed, 106 insertions, 0 deletions
diff --git a/reader/src/formats/FormatPlugin.cpp b/reader/src/formats/FormatPlugin.cpp
new file mode 100644
index 0000000..059a53b
--- /dev/null
+++ b/reader/src/formats/FormatPlugin.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * 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 <ZLInputStream.h>
+#include <ZLLanguageDetector.h>
+#include <ZLImage.h>
+
+#include "FormatPlugin.h"
+
+#include "../library/Book.h"
+
+bool FormatPlugin::detectEncodingAndLanguage(Book &book, ZLInputStream &stream, bool force) {
+	std::string language = book.language();
+	std::string encoding = book.encoding();
+	if (!force && !encoding.empty() && !language.empty()) {
+		return true;
+	}
+
+	bool detected = false;
+
+	PluginCollection &collection = PluginCollection::Instance();
+	if (language.empty()) {
+		language = collection.DefaultLanguageOption.value();
+	}
+	if (encoding.empty()) {
+		encoding = collection.DefaultEncodingOption.value();
+	}
+	if (collection.LanguageAutoDetectOption.value() && stream.open()) {
+		static const int BUFSIZE = 65536;
+		char *buffer = new char[BUFSIZE];
+		const std::size_t size = stream.read(buffer, BUFSIZE);
+		stream.close();
+		shared_ptr<ZLLanguageDetector::LanguageInfo> info =
+			ZLLanguageDetector().findInfo(buffer, size);
+		delete[] buffer;
+		if (!info.isNull()) {
+			detected = true;
+			if (!info->Language.empty()) {
+				language = info->Language;
+			}
+			encoding = info->Encoding;
+			if (encoding == "US-ASCII" || encoding == "ISO-8859-1") {
+				encoding = "windows-1252";
+			}
+		}
+	}
+	book.setEncoding(encoding);
+	book.setLanguage(language);
+	return detected;
+}
+
+bool FormatPlugin::detectLanguage(Book &book, ZLInputStream &stream, const std::string &encoding, bool force) {
+	std::string language = book.language();
+	if (!force && !language.empty()) {
+		return true;
+	}
+
+	bool detected	= false;
+
+	PluginCollection &collection = PluginCollection::Instance();
+	if (language.empty()) {
+		language = collection.DefaultLanguageOption.value();
+	}
+	if (collection.LanguageAutoDetectOption.value() && stream.open()) {
+		static const int BUFSIZE = 65536;
+		char *buffer = new char[BUFSIZE];
+		const std::size_t size = stream.read(buffer, BUFSIZE);
+		stream.close();
+		shared_ptr<ZLLanguageDetector::LanguageInfo> info =
+			ZLLanguageDetector().findInfoForEncoding(encoding, buffer, size, -20000);
+		delete[] buffer;
+		if (!info.isNull()) {
+			if (!info->Language.empty()) {
+				detected = true;
+				language = info->Language;
+			}
+		}
+	}
+	book.setLanguage(language);
+	return detected;
+}
+
+const std::string &FormatPlugin::tryOpen(const ZLFile&) const {
+	static const std::string EMPTY = "";
+	return EMPTY;
+}
+
+shared_ptr<const ZLImage> FormatPlugin::coverImage(const ZLFile &file) const {
+	return 0;
+}