Merge branch 'pack-default-settings' into 'master'
Pack default settings Closes #5925 See merge request OpenMW/openmw!822pull/593/head
psi29a
4 years ago
commit
4bc7012104
@ -0,0 +1,74 @@
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# math(EXPR "...") can't parse hex until 3.13
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cmake_minimum_required(VERSION 3.13)
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if (NOT DEFINED INPUT_FILE)
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message(STATUS "Usage: cmake -DINPUT_FILE=\"infile.ext\" -DOUTPUT_FILE=\"out.txt\" -P base64.cmake")
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message(FATAL_ERROR "INPUT_FILE not specified")
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endif()
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if (NOT DEFINED OUTPUT_FILE)
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message(STATUS "Usage: cmake -DINPUT_FILE=\"infile.ext\" -DOUTPUT_FILE=\"out.txt\" -P base64.cmake")
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message(FATAL_ERROR "OUTPUT_FILE not specified")
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endif()
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if (NOT EXISTS ${INPUT_FILE})
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message(FATAL_ERROR "INPUT_FILE ${INPUT_FILE} does not exist")
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endif()
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set(lut "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")
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file(READ "${INPUT_FILE}" hexContent HEX)
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set(base64Content "")
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while(TRUE)
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string(LENGTH "${hexContent}" tailLength)
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if (tailLength LESS 1)
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break()
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endif()
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string(SUBSTRING "${hexContent}" 0 6 head)
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# base64 works on three-byte chunks. Pad.
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string(LENGTH "${head}" headLength)
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if (headLength LESS 6)
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set(hexContent "")
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math(EXPR padSize "6 - ${headLength}")
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set(pad "")
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foreach(i RANGE 1 ${padSize})
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string(APPEND pad "0")
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endforeach()
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string(APPEND head "${pad}")
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else()
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string(SUBSTRING "${hexContent}" 6 -1 hexContent)
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set(padSize 0)
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endif()
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# get six-bit slices
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math(EXPR first "0x${head} >> 18")
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math(EXPR second "(0x${head} & 0x3F000) >> 12")
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math(EXPR third "(0x${head} & 0xFC0) >> 6")
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math(EXPR fourth "0x${head} & 0x3F")
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# first two characters are always needed to represent the first byte
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string(SUBSTRING "${lut}" ${first} 1 char)
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string(APPEND base64Content "${char}")
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string(SUBSTRING "${lut}" ${second} 1 char)
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string(APPEND base64Content "${char}")
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# if there's no second byte, pad with =
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if (NOT padSize EQUAL 4)
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string(SUBSTRING "${lut}" ${third} 1 char)
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string(APPEND base64Content "${char}")
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else()
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string(APPEND base64Content "=")
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endif()
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# if there's no third byte, pad with =
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if (padSize EQUAL 0)
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string(SUBSTRING "${lut}" ${fourth} 1 char)
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string(APPEND base64Content "${char}")
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else()
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string(APPEND base64Content "=")
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endif()
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endwhile()
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file(WRITE "${OUTPUT_FILE}" "${base64Content}")
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@ -0,0 +1,124 @@
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#ifndef _MACARON_BASE64_H_
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#define _MACARON_BASE64_H_
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/**
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* The MIT License (MIT)
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* Copyright (c) 2016 tomykaira
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <string>
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namespace Base64 {
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class Base64 {
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public:
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static std::string Encode(const std::string data) {
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static constexpr char sEncodingTable[] = {
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
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'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
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'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
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'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
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'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
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'w', 'x', 'y', 'z', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9', '+', '/'
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};
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size_t in_len = data.size();
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size_t out_len = 4 * ((in_len + 2) / 3);
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std::string ret(out_len, '\0');
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size_t i;
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char *p = ret.data();
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for (i = 0; i < in_len - 2; i += 3) {
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*p++ = sEncodingTable[(data[i] >> 2) & 0x3F];
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*p++ = sEncodingTable[((data[i] & 0x3) << 4) | ((int) (data[i + 1] & 0xF0) >> 4)];
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*p++ = sEncodingTable[((data[i + 1] & 0xF) << 2) | ((int) (data[i + 2] & 0xC0) >> 6)];
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*p++ = sEncodingTable[data[i + 2] & 0x3F];
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}
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if (i < in_len) {
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*p++ = sEncodingTable[(data[i] >> 2) & 0x3F];
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if (i == (in_len - 1)) {
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*p++ = sEncodingTable[((data[i] & 0x3) << 4)];
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*p++ = '=';
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}
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else {
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*p++ = sEncodingTable[((data[i] & 0x3) << 4) | ((int) (data[i + 1] & 0xF0) >> 4)];
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*p++ = sEncodingTable[((data[i + 1] & 0xF) << 2)];
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}
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*p++ = '=';
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}
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return ret;
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}
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static std::string Decode(const std::string& input, std::string& out) {
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static constexpr unsigned char kDecodingTable[] = {
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
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52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
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64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
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64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
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41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
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};
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size_t in_len = input.size();
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if (in_len % 4 != 0) return "Input data size is not a multiple of 4";
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size_t out_len = in_len / 4 * 3;
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if (input[in_len - 1] == '=') out_len--;
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if (input[in_len - 2] == '=') out_len--;
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out.resize(out_len);
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for (size_t i = 0, j = 0; i < in_len;) {
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uint32_t a = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
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uint32_t b = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
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uint32_t c = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
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uint32_t d = input[i] == '=' ? 0 & i++ : kDecodingTable[static_cast<int>(input[i++])];
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uint32_t triple = (a << 3 * 6) + (b << 2 * 6) + (c << 1 * 6) + (d << 0 * 6);
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if (j < out_len) out[j++] = (triple >> 2 * 8) & 0xFF;
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if (j < out_len) out[j++] = (triple >> 1 * 8) & 0xFF;
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if (j < out_len) out[j++] = (triple >> 0 * 8) & 0xFF;
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}
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return "";
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}
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};
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}
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#endif /* _MACARON_BASE64_H_ */
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@ -0,0 +1,2 @@
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add_library(Base64 INTERFACE)
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target_include_directories(Base64 INTERFACE .)
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