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format generator

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ZhuangYumin
2023-09-29 22:22:51 +08:00
parent a6bb55639e
commit 4f7d11b41b
1 changed files with 29 additions and 258 deletions
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249
src/tablegenerator.cpp
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@ -4,85 +4,13 @@
#include <iostream> #include <iostream>
#include <map> #include <map>
#include <memory> #include <memory>
#include <vector>
#include "miniz.h"
//====
//
// base64 encoding and decoding with C++.
// Version: 2.rc.09 (release candidate)
//
#ifndef BASE64_H_C0CE2A47_D10E_42C9_A27C_C883944E704A
#define BASE64_H_C0CE2A47_D10E_42C9_A27C_C883944E704A
#include <string>
#if __cplusplus >= 201703L
#include <string_view>
#endif // __cplusplus >= 201703L
std::string base64_encode(std::string const &s, bool url = false);
std::string base64_encode_pem(std::string const &s);
std::string base64_encode_mime(std::string const &s);
std::string base64_decode(std::string const &s, bool remove_linebreaks = false);
std::string base64_encode(unsigned char const *, size_t len, bool url = false);
#if __cplusplus >= 201703L
//
// Interface with std::string_view rather than const std::string&
// Requires C++17
// Provided by Yannic Bonenberger (https://github.com/Yannic)
//
std::string base64_encode(std::string_view s, bool url = false);
std::string base64_encode_pem(std::string_view s);
std::string base64_encode_mime(std::string_view s);
std::string base64_decode(std::string_view s, bool remove_linebreaks = false);
#endif // __cplusplus >= 201703L
#endif /* BASE64_H_C0CE2A47_D10E_42C9_A27C_C883944E704A */
/*
base64.cpp and base64.h
base64 encoding and decoding with C++.
More information at
https://renenyffenegger.ch/notes/development/Base64/Encoding-and-decoding-base-64-with-cpp
Version: 2.rc.09 (release candidate)
Copyright (C) 2004-2017, 2020-2022 René Nyffenegger
This source code is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this source code must not be misrepresented; you must not
claim that you wrote the original source code. If you use this source code
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original source code.
3. This notice may not be removed or altered from any source distribution.
René Nyffenegger rene.nyffenegger@adp-gmbh.ch
*/
#include <algorithm>
#include <stdexcept> #include <stdexcept>
#include <string>
#include <string_view>
#include <vector>
#include "miniz.h"
//
// Depending on the url parameter in base64_chars, one of
// two sets of base64 characters needs to be chosen.
// They differ in their last two characters.
//
static const char *base64_chars[2] = { static const char *base64_chars[2] = {
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz" "abcdefghijklmnopqrstuvwxyz"
@ -118,45 +46,6 @@ static unsigned int pos_of_char(const unsigned char chr) {
throw std::runtime_error("Input is not valid base64-encoded data."); throw std::runtime_error("Input is not valid base64-encoded data.");
} }
static std::string insert_linebreaks(std::string str, size_t distance) {
//
// Provided by https://github.com/JomaCorpFX, adapted by me.
//
if (!str.length()) {
return "";
}
size_t pos = distance;
while (pos < str.size()) {
str.insert(pos, "\n");
pos += distance + 1;
}
return str;
}
template <typename String, unsigned int line_length>
static std::string encode_with_line_breaks(String s) {
return insert_linebreaks(base64_encode(s, false), line_length);
}
template <typename String>
static std::string encode_pem(String s) {
return encode_with_line_breaks<String, 64>(s);
}
template <typename String>
static std::string encode_mime(String s) {
return encode_with_line_breaks<String, 76>(s);
}
template <typename String>
static std::string encode(String s, bool url) {
return base64_encode(reinterpret_cast<const unsigned char *>(s.data()),
s.length(), url);
}
std::string base64_encode(unsigned char const *bytes_to_encode, size_t in_len, std::string base64_encode(unsigned char const *bytes_to_encode, size_t in_len,
bool url) { bool url) {
size_t len_encoded = (in_len + 2) / 3 * 4; size_t len_encoded = (in_len + 2) / 3 * 4;
@ -205,127 +94,6 @@ std::string base64_encode(unsigned char const *bytes_to_encode, size_t in_len,
return ret; return ret;
} }
template <typename String>
static std::string decode(String const &encoded_string,
bool remove_linebreaks) {
//
// decode(…) is templated so that it can be used with String = const
// std::string& or std::string_view (requires at least C++17)
//
if (encoded_string.empty()) return std::string();
if (remove_linebreaks) {
std::string copy(encoded_string);
copy.erase(std::remove(copy.begin(), copy.end(), '\n'), copy.end());
return base64_decode(copy, false);
}
size_t length_of_string = encoded_string.length();
size_t pos = 0;
//
// The approximate length (bytes) of the decoded string might be one or
// two bytes smaller, depending on the amount of trailing equal signs
// in the encoded string. This approximation is needed to reserve
// enough space in the string to be returned.
//
size_t approx_length_of_decoded_string = length_of_string / 4 * 3;
std::string ret;
ret.reserve(approx_length_of_decoded_string);
while (pos < length_of_string) {
//
// Iterate over encoded input string in chunks. The size of all
// chunks except the last one is 4 bytes.
//
// The last chunk might be padded with equal signs or dots
// in order to make it 4 bytes in size as well, but this
// is not required as per RFC 2045.
//
// All chunks except the last one produce three output bytes.
//
// The last chunk produces at least one and up to three bytes.
//
size_t pos_of_char_1 = pos_of_char(encoded_string.at(pos + 1));
//
// Emit the first output byte that is produced in each chunk:
//
ret.push_back(static_cast<std::string::value_type>(
((pos_of_char(encoded_string.at(pos + 0))) << 2) +
((pos_of_char_1 & 0x30) >> 4)));
if ((pos + 2 <
length_of_string) && // Check for data that is not padded with equal
// signs (which is allowed by RFC 2045)
encoded_string.at(pos + 2) != '=' &&
encoded_string.at(pos + 2) !=
'.' // accept URL-safe base 64 strings, too, so check for '.' also.
) {
//
// Emit a chunk's second byte (which might not be produced in the last
// chunk).
//
unsigned int pos_of_char_2 = pos_of_char(encoded_string.at(pos + 2));
ret.push_back(static_cast<std::string::value_type>(
((pos_of_char_1 & 0x0f) << 4) + ((pos_of_char_2 & 0x3c) >> 2)));
if ((pos + 3 < length_of_string) && encoded_string.at(pos + 3) != '=' &&
encoded_string.at(pos + 3) != '.') {
//
// Emit a chunk's third byte (which might not be produced in the last
// chunk).
//
ret.push_back(static_cast<std::string::value_type>(
((pos_of_char_2 & 0x03) << 6) +
pos_of_char(encoded_string.at(pos + 3))));
}
}
pos += 4;
}
return ret;
}
std::string base64_decode(std::string const &s, bool remove_linebreaks) {
return decode(s, remove_linebreaks);
}
std::string base64_encode(std::string const &s, bool url) {
return encode(s, url);
}
std::string base64_encode_pem(std::string const &s) { return encode_pem(s); }
std::string base64_encode_mime(std::string const &s) { return encode_mime(s); }
#if __cplusplus >= 201703L
//
// Interface with std::string_view rather than const std::string&
// Requires C++17
// Provided by Yannic Bonenberger (https://github.com/Yannic)
//
std::string base64_encode(std::string_view s, bool url) {
return encode(s, url);
}
std::string base64_encode_pem(std::string_view s) { return encode_pem(s); }
std::string base64_encode_mime(std::string_view s) { return encode_mime(s); }
std::string base64_decode(std::string_view s, bool remove_linebreaks) {
return decode(s, remove_linebreaks);
}
#endif // __cplusplus >= 201703L
//====
using namespace std; using namespace std;
typedef long long LL; typedef long long LL;
int rid[15] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2}; int rid[15] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
@ -389,7 +157,8 @@ void CalculateProbability() {
buf[bcnt++] = int((double(mine_cnt) / it->second.size()) * 255); buf[bcnt++] = int((double(mine_cnt) / it->second.size()) * 255);
} }
} }
size_t compressData(const unsigned char* inputData, size_t inputSize, unsigned char* compressedData, size_t compressedSize) { size_t compressData(const unsigned char *inputData, size_t inputSize,
unsigned char *compressedData, size_t compressedSize) {
mz_ulong compressedSizeOut = compressedSize; mz_ulong compressedSizeOut = compressedSize;
int compressResult = mz_compress2(compressedData, &compressedSizeOut, int compressResult = mz_compress2(compressedData, &compressedSizeOut,
inputData, inputSize, MZ_BEST_COMPRESSION); inputData, inputSize, MZ_BEST_COMPRESSION);
@ -401,7 +170,9 @@ size_t compressData(const unsigned char* inputData, size_t inputSize, unsigned c
return compressedSizeOut; return compressedSizeOut;
} }
size_t decompressData(const unsigned char* compressedData, size_t compressedSize, unsigned char* decompressedData, size_t decompressedSize) { size_t decompressData(const unsigned char *compressedData,
size_t compressedSize, unsigned char *decompressedData,
size_t decompressedSize) {
mz_ulong decompressedSizeOut = decompressedSize; mz_ulong decompressedSizeOut = decompressedSize;
int decompressResult = mz_uncompress(decompressedData, &decompressedSizeOut, int decompressResult = mz_uncompress(decompressedData, &decompressedSizeOut,
compressedData, compressedSize); compressedData, compressedSize);