Add missing Android File implementation and AndroidOS header

src/os/android/AndroidOS.h

@@ -0,0 +1,40 @@
+/*
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <jni.h>
+#include <sys/types.h>
+#include <android/asset_manager.h>
+
+namespace crown
+{
+namespace os
+{
+
+// Accessor to the android asset manager
+AAssetManager* get_android_asset_manager();
+
+} // namespace crown
+} // namespace os
+

src/os/android/File.cpp

@@ -0,0 +1,128 @@
+/*
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "File.h"
+#include "Log.h"
+#include "MathUtils.h"
+#include "AndroidOS.h"
+#include <cassert>
+
+namespace crown
+{
+
+//-----------------------------------------------------------------------------
+File::File() :
+	m_asset(NULL), m_mode(FOM_READ)
+{
+}
+
+//-----------------------------------------------------------------------------
+File::~File()
+{
+	if (m_asset != NULL)
+	{
+		AAsset_close(m_asset);
+	}
+}
+
+//-----------------------------------------------------------------------------
+bool File::is_valid()
+{
+	return m_asset != NULL;
+}
+
+//-----------------------------------------------------------------------------
+FileOpenMode File::mode()
+{
+	return m_mode;
+}
+
+//-----------------------------------------------------------------------------
+File* File::open(const char* path, FileOpenMode mode)
+{
+	File* f = new File();
+
+	f->m_asset = AAssetManager_open(os::get_android_asset_manager(), path, AASSET_MODE_RANDOM);
+
+	if (f->m_asset == NULL)
+	{
+		Log::E("File::Open: Could not open file %s", path);
+		return NULL;
+	}
+
+	f->m_mode = FOM_READ;
+
+	return f;
+}
+
+//-----------------------------------------------------------------------------
+size_t File::read(void* ptr, size_t size, size_t nmemb)
+{
+	assert(m_asset != NULL);
+	assert(ptr != NULL);
+
+	return (size_t)AAsset_read(m_asset, ptr, size * nmemb);
+}
+
+//-----------------------------------------------------------------------------
+size_t File::write(const void* ptr, size_t size, size_t nmemb)
+{
+	Log::W("Cannot write to Android asset directory!!!");
+}
+
+//-----------------------------------------------------------------------------
+int File::seek(int32_t offset, int whence)
+{
+	assert(m_asset != NULL);
+
+	return AAsset_seek(m_asset, (off_t)offset, whence);
+}
+
+//-----------------------------------------------------------------------------
+int32_t File::tell()
+{
+	assert(m_asset != NULL);
+	
+	return (int32_t)(AAsset_getLength(m_asset) - AAsset_getRemainingLength(m_asset));
+}
+
+//-----------------------------------------------------------------------------
+int File::eof()
+{
+	assert(m_asset != NULL);
+	
+	return (int)(AAsset_getRemainingLength(m_asset) == 0);
+}
+
+//-----------------------------------------------------------------------------
+size_t File::size()
+{
+	assert(m_asset != NULL);
+	
+	return AAsset_getLength(m_asset);
+}
+
+} // namespace crown
+

src/os/android/File.h

@@ -0,0 +1,78 @@
+/*
+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#pragma once
+
+#include "Types.h"
+#include <sys/types.h>
+#include <android/asset_manager.h>
+
+namespace crown
+{
+
+/**
+	Enumerates file opening modes.
+*/
+enum FileOpenMode
+{
+	FOM_READ	= 1,
+	FOM_WRITE	= 2
+};
+
+/**
+	Standard C file wrapper.
+*/
+class File
+{
+
+public:
+
+						~File();
+
+	bool				is_valid();
+
+	FileOpenMode		mode();
+
+	size_t				read(void* ptr, size_t size, size_t nmemb);
+	size_t				write(const void* ptr, size_t size, size_t nmemb);
+	int					seek(int32_t offset, int whence);
+	int32_t				tell();
+
+	int					eof();
+
+	size_t				size();
+
+	static File*		open(const char* path, FileOpenMode mode);
+
+private:
+
+	AAsset*				m_asset;
+	FileOpenMode		m_mode;
+
+						File();
+};
+
+} // namespace crown
+