1 files changed, 55 insertions, 0 deletions
diff --git a/reader/src/formats/pdf/StringStream.cpp b/reader/src/formats/pdf/StringStream.cpp
new file mode 100644
index 0000000..b2369df
--- /dev/null
+++ b/reader/src/formats/pdf/StringStream.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2008-2012 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 <algorithm>
+
+#include "StringStream.h"
+
+StringStream::StringStream(const std::string &data) : myData(data), myOffset(0) {
+}
+
+bool StringStream::open() {
+	myOffset = 0;
+	return true;
+}
+
+std::size_t StringStream::read(char *buffer, std::size_t maxSize) {
+	std::size_t size = std::min(maxSize, myData.length() - myOffset);
+	memcpy(buffer, myData.data() + myOffset, size);
+	myOffset += size;
+	return size;
+}
+
+void StringStream::close() {
+}
+
+void StringStream::seek(int offset, bool absoluteOffset) {
+	if (!absoluteOffset) {
+		offset += myOffset;
+	}
+	myOffset = std::min((std::size_t)std::max(0, offset), myData.length());
+}
+
+std::size_t StringStream::offset() const {
+	return myOffset;
+}
+
+std::size_t StringStream::sizeOfOpened() {
+	return myData.length();
+}