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89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
#include "stdafx.h"
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#include "HexUtilities.h"
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const vector<string> HexUtilities::_hexCache = { {
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"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0A", "0B", "0C", "0D", "0E", "0F",
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"10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B", "1C", "1D", "1E", "1F",
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"20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2A", "2B", "2C", "2D", "2E", "2F",
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"30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B", "3C", "3D", "3E", "3F",
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"40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4A", "4B", "4C", "4D", "4E", "4F",
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"50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5A", "5B", "5C", "5D", "5E", "5F",
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"60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A", "6B", "6C", "6D", "6E", "6F",
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"70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7A", "7B", "7C", "7D", "7E", "7F",
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"80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8A", "8B", "8C", "8D", "8E", "8F",
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"90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9A", "9B", "9C", "9D", "9E", "9F",
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"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA", "AB", "AC", "AD", "AE", "AF",
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"B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "BA", "BB", "BC", "BD", "BE", "BF",
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"C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB", "CC", "CD", "CE", "CF",
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"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF",
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"E0", "E1", "E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC", "ED", "EE", "EF",
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"F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB", "FC", "FD", "FE", "FF"
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} };
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int HexUtilities::FromHex(string hex)
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{
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int value = 0;
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for(size_t i = 0, len = hex.size(); i < len; i++) {
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value <<= 4;
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if(hex[i] >= '0' && hex[i] <= '9') {
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value |= hex[i] - '0';
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} else if(hex[i] >= 'A' && hex[i] <= 'F') {
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value |= hex[i] - 'A' + 10;
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} else if(hex[i] >= 'a' && hex[i] <= 'f') {
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value |= hex[i] - 'a' + 10;
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}
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}
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return value;
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}
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string HexUtilities::ToHex(uint8_t value)
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{
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return _hexCache[value];
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}
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string HexUtilities::ToHex(uint16_t value)
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{
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return _hexCache[value >> 8] + _hexCache[value & 0xFF];
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}
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string HexUtilities::ToHex(int32_t value, bool fullSize)
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{
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return HexUtilities::ToHex((uint32_t)value, fullSize);
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}
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string HexUtilities::ToHex(uint32_t value, bool fullSize)
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{
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if(fullSize || value > 0xFFFFFF) {
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return _hexCache[value >> 24] + _hexCache[(value >> 16) & 0xFF] + _hexCache[(value >> 8) & 0xFF] + _hexCache[value & 0xFF];
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} else if(value <= 0xFF) {
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return ToHex((uint8_t)value);
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} else if(value <= 0xFFFF) {
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return ToHex((uint16_t)value);
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} else {
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return _hexCache[(value >> 16) & 0xFF] + _hexCache[(value >> 8) & 0xFF] + _hexCache[value & 0xFF];
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}
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}
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string HexUtilities::ToHex(uint64_t value, bool fullSize)
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{
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if(fullSize) {
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return ToHex((uint32_t)(value >> 32), true) + ToHex((uint32_t)value, true);
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} else {
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string result;
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while(value > 0) {
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result = _hexCache[value & 0xFF] + result;
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value >>= 8;
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}
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return result;
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}
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}
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string HexUtilities::ToHex(vector<uint8_t> &data)
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{
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string result;
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result.reserve(data.size() * 2);
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for(uint8_t value : data) {
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result += HexUtilities::ToHex(value);
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}
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return result;
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} |