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authorJim Posen <jim.posen@gmail.com>2018-10-22 15:51:11 -0700
committerJim Posen <jim.posen@gmail.com>2018-11-04 22:46:07 -0800
commit2068f089c8b7b90eb4557d3f67ea0f0ed2059a23 (patch)
treebbbd0304b01d48831c60cf6b528c758d62f4949c /src/utilstrencodings.cpp
parent742ee213499194f97e59dae4971f1474ae7d57ad (diff)
scripted-diff: Move util files to separate directory.
-BEGIN VERIFY SCRIPT- mkdir -p src/util git mv src/util.h src/util/system.h git mv src/util.cpp src/util/system.cpp git mv src/utilmemory.h src/util/memory.h git mv src/utilmoneystr.h src/util/moneystr.h git mv src/utilmoneystr.cpp src/util/moneystr.cpp git mv src/utilstrencodings.h src/util/strencodings.h git mv src/utilstrencodings.cpp src/util/strencodings.cpp git mv src/utiltime.h src/util/time.h git mv src/utiltime.cpp src/util/time.cpp sed -i 's/<util\.h>/<util\/system\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp') sed -i 's/<utilmemory\.h>/<util\/memory\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp') sed -i 's/<utilmoneystr\.h>/<util\/moneystr\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp') sed -i 's/<utilstrencodings\.h>/<util\/strencodings\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp') sed -i 's/<utiltime\.h>/<util\/time\.h>/g' $(git ls-files 'src/*.h' 'src/*.cpp') sed -i 's/BITCOIN_UTIL_H/BITCOIN_UTIL_SYSTEM_H/g' src/util/system.h sed -i 's/BITCOIN_UTILMEMORY_H/BITCOIN_UTIL_MEMORY_H/g' src/util/memory.h sed -i 's/BITCOIN_UTILMONEYSTR_H/BITCOIN_UTIL_MONEYSTR_H/g' src/util/moneystr.h sed -i 's/BITCOIN_UTILSTRENCODINGS_H/BITCOIN_UTIL_STRENCODINGS_H/g' src/util/strencodings.h sed -i 's/BITCOIN_UTILTIME_H/BITCOIN_UTIL_TIME_H/g' src/util/time.h sed -i 's/ util\.\(h\|cpp\)/ util\/system\.\1/g' src/Makefile.am sed -i 's/utilmemory\.\(h\|cpp\)/util\/memory\.\1/g' src/Makefile.am sed -i 's/utilmoneystr\.\(h\|cpp\)/util\/moneystr\.\1/g' src/Makefile.am sed -i 's/utilstrencodings\.\(h\|cpp\)/util\/strencodings\.\1/g' src/Makefile.am sed -i 's/utiltime\.\(h\|cpp\)/util\/time\.\1/g' src/Makefile.am sed -i 's/-> util ->/-> util\/system ->/' test/lint/lint-circular-dependencies.sh sed -i 's/src\/util\.cpp/src\/util\/system\.cpp/g' test/lint/lint-format-strings.py test/lint/lint-locale-dependence.sh sed -i 's/src\/utilmoneystr\.cpp/src\/util\/moneystr\.cpp/g' test/lint/lint-locale-dependence.sh sed -i 's/src\/utilstrencodings\.\(h\|cpp\)/src\/util\/strencodings\.\1/g' test/lint/lint-locale-dependence.sh sed -i 's/src\\utilstrencodings\.cpp/src\\util\\strencodings\.cpp/' build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj -END VERIFY SCRIPT-
Diffstat (limited to 'src/utilstrencodings.cpp')
-rw-r--r--src/utilstrencodings.cpp599
1 files changed, 0 insertions, 599 deletions
diff --git a/src/utilstrencodings.cpp b/src/utilstrencodings.cpp
deleted file mode 100644
index a1700d2514..0000000000
--- a/src/utilstrencodings.cpp
+++ /dev/null
@@ -1,599 +0,0 @@
-// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2018 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include <utilstrencodings.h>
-
-#include <tinyformat.h>
-
-#include <algorithm>
-#include <cstdlib>
-#include <cstring>
-#include <errno.h>
-#include <limits>
-
-static const std::string CHARS_ALPHA_NUM = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-
-static const std::string SAFE_CHARS[] =
-{
- CHARS_ALPHA_NUM + " .,;-_/:?@()", // SAFE_CHARS_DEFAULT
- CHARS_ALPHA_NUM + " .,;-_?@", // SAFE_CHARS_UA_COMMENT
- CHARS_ALPHA_NUM + ".-_", // SAFE_CHARS_FILENAME
-};
-
-std::string SanitizeString(const std::string& str, int rule)
-{
- std::string strResult;
- for (std::string::size_type i = 0; i < str.size(); i++)
- {
- if (SAFE_CHARS[rule].find(str[i]) != std::string::npos)
- strResult.push_back(str[i]);
- }
- return strResult;
-}
-
-const signed char p_util_hexdigit[256] =
-{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- 0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
- -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
-
-signed char HexDigit(char c)
-{
- return p_util_hexdigit[(unsigned char)c];
-}
-
-bool IsHex(const std::string& str)
-{
- for(std::string::const_iterator it(str.begin()); it != str.end(); ++it)
- {
- if (HexDigit(*it) < 0)
- return false;
- }
- return (str.size() > 0) && (str.size()%2 == 0);
-}
-
-bool IsHexNumber(const std::string& str)
-{
- size_t starting_location = 0;
- if (str.size() > 2 && *str.begin() == '0' && *(str.begin()+1) == 'x') {
- starting_location = 2;
- }
- for (const char c : str.substr(starting_location)) {
- if (HexDigit(c) < 0) return false;
- }
- // Return false for empty string or "0x".
- return (str.size() > starting_location);
-}
-
-std::vector<unsigned char> ParseHex(const char* psz)
-{
- // convert hex dump to vector
- std::vector<unsigned char> vch;
- while (true)
- {
- while (IsSpace(*psz))
- psz++;
- signed char c = HexDigit(*psz++);
- if (c == (signed char)-1)
- break;
- unsigned char n = (c << 4);
- c = HexDigit(*psz++);
- if (c == (signed char)-1)
- break;
- n |= c;
- vch.push_back(n);
- }
- return vch;
-}
-
-std::vector<unsigned char> ParseHex(const std::string& str)
-{
- return ParseHex(str.c_str());
-}
-
-void SplitHostPort(std::string in, int &portOut, std::string &hostOut) {
- size_t colon = in.find_last_of(':');
- // if a : is found, and it either follows a [...], or no other : is in the string, treat it as port separator
- bool fHaveColon = colon != in.npos;
- bool fBracketed = fHaveColon && (in[0]=='[' && in[colon-1]==']'); // if there is a colon, and in[0]=='[', colon is not 0, so in[colon-1] is safe
- bool fMultiColon = fHaveColon && (in.find_last_of(':',colon-1) != in.npos);
- if (fHaveColon && (colon==0 || fBracketed || !fMultiColon)) {
- int32_t n;
- if (ParseInt32(in.substr(colon + 1), &n) && n > 0 && n < 0x10000) {
- in = in.substr(0, colon);
- portOut = n;
- }
- }
- if (in.size()>0 && in[0] == '[' && in[in.size()-1] == ']')
- hostOut = in.substr(1, in.size()-2);
- else
- hostOut = in;
-}
-
-std::string EncodeBase64(const unsigned char* pch, size_t len)
-{
- static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
- std::string str;
- str.reserve(((len + 2) / 3) * 4);
- ConvertBits<8, 6, true>([&](int v) { str += pbase64[v]; }, pch, pch + len);
- while (str.size() % 4) str += '=';
- return str;
-}
-
-std::string EncodeBase64(const std::string& str)
-{
- return EncodeBase64((const unsigned char*)str.c_str(), str.size());
-}
-
-std::vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
-{
- static const int decode64_table[256] =
- {
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
- -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
- };
-
- const char* e = p;
- std::vector<uint8_t> val;
- val.reserve(strlen(p));
- while (*p != 0) {
- int x = decode64_table[(unsigned char)*p];
- if (x == -1) break;
- val.push_back(x);
- ++p;
- }
-
- std::vector<unsigned char> ret;
- ret.reserve((val.size() * 3) / 4);
- bool valid = ConvertBits<6, 8, false>([&](unsigned char c) { ret.push_back(c); }, val.begin(), val.end());
-
- const char* q = p;
- while (valid && *p != 0) {
- if (*p != '=') {
- valid = false;
- break;
- }
- ++p;
- }
- valid = valid && (p - e) % 4 == 0 && p - q < 4;
- if (pfInvalid) *pfInvalid = !valid;
-
- return ret;
-}
-
-std::string DecodeBase64(const std::string& str)
-{
- std::vector<unsigned char> vchRet = DecodeBase64(str.c_str());
- return std::string((const char*)vchRet.data(), vchRet.size());
-}
-
-std::string EncodeBase32(const unsigned char* pch, size_t len)
-{
- static const char *pbase32 = "abcdefghijklmnopqrstuvwxyz234567";
-
- std::string str;
- str.reserve(((len + 4) / 5) * 8);
- ConvertBits<8, 5, true>([&](int v) { str += pbase32[v]; }, pch, pch + len);
- while (str.size() % 8) str += '=';
- return str;
-}
-
-std::string EncodeBase32(const std::string& str)
-{
- return EncodeBase32((const unsigned char*)str.c_str(), str.size());
-}
-
-std::vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid)
-{
- static const int decode32_table[256] =
- {
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
- };
-
- const char* e = p;
- std::vector<uint8_t> val;
- val.reserve(strlen(p));
- while (*p != 0) {
- int x = decode32_table[(unsigned char)*p];
- if (x == -1) break;
- val.push_back(x);
- ++p;
- }
-
- std::vector<unsigned char> ret;
- ret.reserve((val.size() * 5) / 8);
- bool valid = ConvertBits<5, 8, false>([&](unsigned char c) { ret.push_back(c); }, val.begin(), val.end());
-
- const char* q = p;
- while (valid && *p != 0) {
- if (*p != '=') {
- valid = false;
- break;
- }
- ++p;
- }
- valid = valid && (p - e) % 8 == 0 && p - q < 8;
- if (pfInvalid) *pfInvalid = !valid;
-
- return ret;
-}
-
-std::string DecodeBase32(const std::string& str)
-{
- std::vector<unsigned char> vchRet = DecodeBase32(str.c_str());
- return std::string((const char*)vchRet.data(), vchRet.size());
-}
-
-static bool ParsePrechecks(const std::string& str)
-{
- if (str.empty()) // No empty string allowed
- return false;
- if (str.size() >= 1 && (IsSpace(str[0]) || IsSpace(str[str.size()-1]))) // No padding allowed
- return false;
- if (str.size() != strlen(str.c_str())) // No embedded NUL characters allowed
- return false;
- return true;
-}
-
-bool ParseInt32(const std::string& str, int32_t *out)
-{
- if (!ParsePrechecks(str))
- return false;
- char *endp = nullptr;
- errno = 0; // strtol will not set errno if valid
- long int n = strtol(str.c_str(), &endp, 10);
- if(out) *out = (int32_t)n;
- // Note that strtol returns a *long int*, so even if strtol doesn't report an over/underflow
- // we still have to check that the returned value is within the range of an *int32_t*. On 64-bit
- // platforms the size of these types may be different.
- return endp && *endp == 0 && !errno &&
- n >= std::numeric_limits<int32_t>::min() &&
- n <= std::numeric_limits<int32_t>::max();
-}
-
-bool ParseInt64(const std::string& str, int64_t *out)
-{
- if (!ParsePrechecks(str))
- return false;
- char *endp = nullptr;
- errno = 0; // strtoll will not set errno if valid
- long long int n = strtoll(str.c_str(), &endp, 10);
- if(out) *out = (int64_t)n;
- // Note that strtoll returns a *long long int*, so even if strtol doesn't report an over/underflow
- // we still have to check that the returned value is within the range of an *int64_t*.
- return endp && *endp == 0 && !errno &&
- n >= std::numeric_limits<int64_t>::min() &&
- n <= std::numeric_limits<int64_t>::max();
-}
-
-bool ParseUInt32(const std::string& str, uint32_t *out)
-{
- if (!ParsePrechecks(str))
- return false;
- if (str.size() >= 1 && str[0] == '-') // Reject negative values, unfortunately strtoul accepts these by default if they fit in the range
- return false;
- char *endp = nullptr;
- errno = 0; // strtoul will not set errno if valid
- unsigned long int n = strtoul(str.c_str(), &endp, 10);
- if(out) *out = (uint32_t)n;
- // Note that strtoul returns a *unsigned long int*, so even if it doesn't report an over/underflow
- // we still have to check that the returned value is within the range of an *uint32_t*. On 64-bit
- // platforms the size of these types may be different.
- return endp && *endp == 0 && !errno &&
- n <= std::numeric_limits<uint32_t>::max();
-}
-
-bool ParseUInt64(const std::string& str, uint64_t *out)
-{
- if (!ParsePrechecks(str))
- return false;
- if (str.size() >= 1 && str[0] == '-') // Reject negative values, unfortunately strtoull accepts these by default if they fit in the range
- return false;
- char *endp = nullptr;
- errno = 0; // strtoull will not set errno if valid
- unsigned long long int n = strtoull(str.c_str(), &endp, 10);
- if(out) *out = (uint64_t)n;
- // Note that strtoull returns a *unsigned long long int*, so even if it doesn't report an over/underflow
- // we still have to check that the returned value is within the range of an *uint64_t*.
- return endp && *endp == 0 && !errno &&
- n <= std::numeric_limits<uint64_t>::max();
-}
-
-
-bool ParseDouble(const std::string& str, double *out)
-{
- if (!ParsePrechecks(str))
- return false;
- if (str.size() >= 2 && str[0] == '0' && str[1] == 'x') // No hexadecimal floats allowed
- return false;
- std::istringstream text(str);
- text.imbue(std::locale::classic());
- double result;
- text >> result;
- if(out) *out = result;
- return text.eof() && !text.fail();
-}
-
-std::string FormatParagraph(const std::string& in, size_t width, size_t indent)
-{
- std::stringstream out;
- size_t ptr = 0;
- size_t indented = 0;
- while (ptr < in.size())
- {
- size_t lineend = in.find_first_of('\n', ptr);
- if (lineend == std::string::npos) {
- lineend = in.size();
- }
- const size_t linelen = lineend - ptr;
- const size_t rem_width = width - indented;
- if (linelen <= rem_width) {
- out << in.substr(ptr, linelen + 1);
- ptr = lineend + 1;
- indented = 0;
- } else {
- size_t finalspace = in.find_last_of(" \n", ptr + rem_width);
- if (finalspace == std::string::npos || finalspace < ptr) {
- // No place to break; just include the entire word and move on
- finalspace = in.find_first_of("\n ", ptr);
- if (finalspace == std::string::npos) {
- // End of the string, just add it and break
- out << in.substr(ptr);
- break;
- }
- }
- out << in.substr(ptr, finalspace - ptr) << "\n";
- if (in[finalspace] == '\n') {
- indented = 0;
- } else if (indent) {
- out << std::string(indent, ' ');
- indented = indent;
- }
- ptr = finalspace + 1;
- }
- }
- return out.str();
-}
-
-std::string i64tostr(int64_t n)
-{
- return strprintf("%d", n);
-}
-
-std::string itostr(int n)
-{
- return strprintf("%d", n);
-}
-
-int64_t atoi64(const char* psz)
-{
-#ifdef _MSC_VER
- return _atoi64(psz);
-#else
- return strtoll(psz, nullptr, 10);
-#endif
-}
-
-int64_t atoi64(const std::string& str)
-{
-#ifdef _MSC_VER
- return _atoi64(str.c_str());
-#else
- return strtoll(str.c_str(), nullptr, 10);
-#endif
-}
-
-int atoi(const std::string& str)
-{
- return atoi(str.c_str());
-}
-
-/** Upper bound for mantissa.
- * 10^18-1 is the largest arbitrary decimal that will fit in a signed 64-bit integer.
- * Larger integers cannot consist of arbitrary combinations of 0-9:
- *
- * 999999999999999999 1^18-1
- * 9223372036854775807 (1<<63)-1 (max int64_t)
- * 9999999999999999999 1^19-1 (would overflow)
- */
-static const int64_t UPPER_BOUND = 1000000000000000000LL - 1LL;
-
-/** Helper function for ParseFixedPoint */
-static inline bool ProcessMantissaDigit(char ch, int64_t &mantissa, int &mantissa_tzeros)
-{
- if(ch == '0')
- ++mantissa_tzeros;
- else {
- for (int i=0; i<=mantissa_tzeros; ++i) {
- if (mantissa > (UPPER_BOUND / 10LL))
- return false; /* overflow */
- mantissa *= 10;
- }
- mantissa += ch - '0';
- mantissa_tzeros = 0;
- }
- return true;
-}
-
-bool ParseFixedPoint(const std::string &val, int decimals, int64_t *amount_out)
-{
- int64_t mantissa = 0;
- int64_t exponent = 0;
- int mantissa_tzeros = 0;
- bool mantissa_sign = false;
- bool exponent_sign = false;
- int ptr = 0;
- int end = val.size();
- int point_ofs = 0;
-
- if (ptr < end && val[ptr] == '-') {
- mantissa_sign = true;
- ++ptr;
- }
- if (ptr < end)
- {
- if (val[ptr] == '0') {
- /* pass single 0 */
- ++ptr;
- } else if (val[ptr] >= '1' && val[ptr] <= '9') {
- while (ptr < end && IsDigit(val[ptr])) {
- if (!ProcessMantissaDigit(val[ptr], mantissa, mantissa_tzeros))
- return false; /* overflow */
- ++ptr;
- }
- } else return false; /* missing expected digit */
- } else return false; /* empty string or loose '-' */
- if (ptr < end && val[ptr] == '.')
- {
- ++ptr;
- if (ptr < end && IsDigit(val[ptr]))
- {
- while (ptr < end && IsDigit(val[ptr])) {
- if (!ProcessMantissaDigit(val[ptr], mantissa, mantissa_tzeros))
- return false; /* overflow */
- ++ptr;
- ++point_ofs;
- }
- } else return false; /* missing expected digit */
- }
- if (ptr < end && (val[ptr] == 'e' || val[ptr] == 'E'))
- {
- ++ptr;
- if (ptr < end && val[ptr] == '+')
- ++ptr;
- else if (ptr < end && val[ptr] == '-') {
- exponent_sign = true;
- ++ptr;
- }
- if (ptr < end && IsDigit(val[ptr])) {
- while (ptr < end && IsDigit(val[ptr])) {
- if (exponent > (UPPER_BOUND / 10LL))
- return false; /* overflow */
- exponent = exponent * 10 + val[ptr] - '0';
- ++ptr;
- }
- } else return false; /* missing expected digit */
- }
- if (ptr != end)
- return false; /* trailing garbage */
-
- /* finalize exponent */
- if (exponent_sign)
- exponent = -exponent;
- exponent = exponent - point_ofs + mantissa_tzeros;
-
- /* finalize mantissa */
- if (mantissa_sign)
- mantissa = -mantissa;
-
- /* convert to one 64-bit fixed-point value */
- exponent += decimals;
- if (exponent < 0)
- return false; /* cannot represent values smaller than 10^-decimals */
- if (exponent >= 18)
- return false; /* cannot represent values larger than or equal to 10^(18-decimals) */
-
- for (int i=0; i < exponent; ++i) {
- if (mantissa > (UPPER_BOUND / 10LL) || mantissa < -(UPPER_BOUND / 10LL))
- return false; /* overflow */
- mantissa *= 10;
- }
- if (mantissa > UPPER_BOUND || mantissa < -UPPER_BOUND)
- return false; /* overflow */
-
- if (amount_out)
- *amount_out = mantissa;
-
- return true;
-}
-
-bool ParseHDKeypath(const std::string& keypath_str, std::vector<uint32_t>& keypath)
-{
- std::stringstream ss(keypath_str);
- std::string item;
- bool first = true;
- while (std::getline(ss, item, '/')) {
- if (item.compare("m") == 0) {
- if (first) {
- first = false;
- continue;
- }
- return false;
- }
- // Finds whether it is hardened
- uint32_t path = 0;
- size_t pos = item.find("'");
- if (pos != std::string::npos) {
- // The hardened tick can only be in the last index of the string
- if (pos != item.size() - 1) {
- return false;
- }
- path |= 0x80000000;
- item = item.substr(0, item.size() - 1); // Drop the last character which is the hardened tick
- }
-
- // Ensure this is only numbers
- if (item.find_first_not_of( "0123456789" ) != std::string::npos) {
- return false;
- }
- uint32_t number;
- if (!ParseUInt32(item, &number)) {
- return false;
- }
- path |= number;
-
- keypath.push_back(path);
- first = false;
- }
- return true;
-}
-
-void Downcase(std::string& str)
-{
- std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c){return ToLower(c);});
-}
-
-std::string Capitalize(std::string str)
-{
- if (str.empty()) return str;
- str[0] = ToUpper(str.front());
- return str;
-}