From 17b259df9cb6b28779d4881b2b6c805ee2e48eea Mon Sep 17 00:00:00 2001 From: Michele Calgaro Date: Fri, 7 Jun 2024 23:30:05 +0900 Subject: Rename to tde-ebook-reader Signed-off-by: Michele Calgaro --- reader/src/formats/pdf/StringStream.cpp | 55 +++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 reader/src/formats/pdf/StringStream.cpp (limited to 'reader/src/formats/pdf/StringStream.cpp') 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 + * + * 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 + +#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(); +} -- cgit v1.2.3