added base64 support (6a0353b8) · Commits · jan.koester / libnetplus

src/CMakeLists.txt

+29 −10

Original line number	Diff line number	Diff line
		@@ -30,26 +30,42 @@ else()
		endif()

		set(headers
		socket.h
		exception.h
		eventapi.h
		connection.h
		${CMAKE_CURRENT_LIST_DIR}/socket.h
		${CMAKE_CURRENT_LIST_DIR}/exception.h
		${CMAKE_CURRENT_LIST_DIR}/eventapi.h
		${CMAKE_CURRENT_LIST_DIR}/connection.h
		${CMAKE_CURRENT_LIST_DIR}/base64.h
		)

		add_library(netplus SHARED ${netplussrc})
		add_library(netplus SHARED ${netplussrc} ${headers})

		add_library(netplus-static STATIC ${netplussrc})
		add_library(netplus-static STATIC ${netplussrc} ${headers})

		target_include_directories(netplus
		PUBLIC
		PRIVATE
		"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
		"$<INSTALL_INTERFACE:include>"
		PUBLIC
		"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
		)

		set_property(
		TARGET netplus
		APPEND PROPERTY
		INCLUDE_DIRECTORIES "${CMAKE_INSTALL_INCLUDEDIR}"
		)


		target_include_directories(netplus-static
		PUBLIC
		PRIVATE
		"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
		"$<INSTALL_INTERFACE:include>"
		PUBLIC
		"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
		)

		set_property(
		TARGET netplus-static
		APPEND PROPERTY
		INCLUDE_DIRECTORIES "${CMAKE_INSTALL_INCLUDEDIR}"
		)

		if(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows")
		@@ -68,12 +84,14 @@ if(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows")
		TARGETS netplus
		EXPORT netplusTargets
		RUNTIME DESTINATION bin
		INCLUDES DESTINATION include
		)
		else()
		install(
		TARGETS netplus
		EXPORT netplusTargets
		LIBRARY DESTINATION lib
		INCLUDES DESTINATION include
		)
		endif()

		@@ -81,6 +99,7 @@ install(
		TARGETS netplus-static
		EXPORT netplusTargets
		LIBRARY DESTINATION lib
		INCLUDES DESTINATION include
		)

		install(FILES ${headers} DESTINATION include/netplus)

src/base64.h

0 → 100644

+152 −0

Original line number	Diff line number	Diff line
		/*******************************************************************************
		* Copyright (c) 2014, Jan Koester jan.koester@gmx.net
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions are met:
		* Redistributions of source code must retain the above copyright
		* notice, this list of conditions and the following disclaimer.
		* Redistributions in binary form must reproduce the above copyright
		* notice, this list of conditions and the following disclaimer in the
		* documentation and/or other materials provided with the distribution.
		* Neither the name of the <organization> nor the
		* names of its contributors may be used to endorse or promote products
		* derived from this software without specific prior written permission.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
		* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
		* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
		* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
		* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
		* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		*******************************************************************************/

		#include <stdlib.h>
		#include <string.h>

		#pragma once

		namespace netplus {
		namespace base64 {
		/* aaaack but it's fast and const should make it shared text page. */
		static const unsigned char pr2six[256] = {
		/* ASCII table */
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
		52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
		64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
		15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
		64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
		41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
		64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
		};

		static const char basis_64[] =
		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

		inline size_t Decodelen(const char* bufcoded) {
		size_t nbytesdecoded;
		const unsigned char* bufin;
		int nprbytes;

		bufin = (const unsigned char*)bufcoded;
		while (pr2six[*(bufin++)] <= 63);

		nprbytes = (bufin - (const unsigned char*)bufcoded) - 1;
		nbytesdecoded = ((nprbytes + 3) / 4) * 3;

		return nbytesdecoded + 1;
		}

		inline size_t Decode(char* bufplain, const char* bufcoded) {
		size_t nbytesdecoded;
		const unsigned char* bufin;
		unsigned char* bufout;
		int nprbytes;

		bufin = (const unsigned char*)bufcoded;
		while (pr2six[*(bufin++)] <= 63);
		nprbytes = (bufin - (const unsigned char*)bufcoded) - 1;
		nbytesdecoded = ((nprbytes + 3) / 4) * 3;

		bufout = (unsigned char*)bufplain;
		bufin = (const unsigned char*)bufcoded;

		while (nprbytes > 4) {
		*(bufout++) =
		(unsigned char)(pr2six[*bufin] << 2 \| pr2six[bufin[1]] >> 4);
		*(bufout++) =
		(unsigned char)(pr2six[bufin[1]] << 4 \| pr2six[bufin[2]] >> 2);
		*(bufout++) =
		(unsigned char)(pr2six[bufin[2]] << 6 \| pr2six[bufin[3]]);
		bufin += 4;
		nprbytes -= 4;
		}

		/* Note: (nprbytes == 1) would be an error, so just ingore that case */
		if (nprbytes > 1) {
		*(bufout++) =
		(unsigned char)(pr2six[*bufin] << 2 \| pr2six[bufin[1]] >> 4);
		}
		if (nprbytes > 2) {
		*(bufout++) =
		(unsigned char)(pr2six[bufin[1]] << 4 \| pr2six[bufin[2]] >> 2);
		}
		if (nprbytes > 3) {
		*(bufout++) =
		(unsigned char)(pr2six[bufin[2]] << 6 \| pr2six[bufin[3]]);
		}

		*(bufout++) = '\0';
		nbytesdecoded -= (4 - nprbytes) & 3;
		return nbytesdecoded;
		}

		inline size_t Encodelen(size_t len) {
		return ((len + 2) / 3 * 4) + 1;
		}

		size_t inline Encode(char* encoded, const char* string, size_t len) {
		size_t i = 0;
		char* p;

		p = encoded;
		for (i = 0; i < len - 2; i += 3) {
		*p++ = basis_64[(string[i] >> 2) & 0x3F];
		*p++ = basis_64[((string[i] & 0x3) << 4) \|
		((size_t)(string[i + 1] & 0xF0) >> 4)];
		*p++ = basis_64[((string[i + 1] & 0xF) << 2) \|
		((size_t)(string[i + 2] & 0xC0) >> 6)];
		*p++ = basis_64[string[i + 2] & 0x3F];
		}
		if (i < len) {
		*p++ = basis_64[(string[i] >> 2) & 0x3F];
		if (i == (len - 1)) {
		*p++ = basis_64[((string[i] & 0x3) << 4)];
		*p++ = '=';
		}
		else {
		*p++ = basis_64[((string[i] & 0x3) << 4) \|
		((size_t)(string[i + 1] & 0xF0) >> 4)];
		*p++ = basis_64[((string[i + 1] & 0xF) << 2)];
		}
		*p++ = '=';
		}

		*p++ = '\0';
		return p - encoded;
		}
		};
		};
		No newline at end of file