GabrielTofvesson/CPPTools
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Added hex parser

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Added support for direct (not shortened) hex parsing
This commit is contained in:
Gabriel Tofvesson 2017-10-12 00:17:43 +02:00
parent d13e86fc75
commit 76e0c6b31d
2 changed files with 30 additions and 6 deletions
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33
CPPTools/Support.cpp
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@ -76,14 +76,18 @@ namespace Tools {
return c; return c;
} }
char* toHexString(const void* data, ulong_64b size) { char* toHexString(const void* data, ulong_64b size, bool ignorePreZero) {
char* c = (char*)data; char* c = (char*)data;
ulong_64b lastNonZero = 0; ulong_64b lastNonZero = ignorePreZero?0:size-1;
for (ulong_64b t = size; t > 0; --t) if (c[t - 1] != 0) { if (ignorePreZero) {
lastNonZero = t - 1; for (ulong_64b t = size; t > 0; --t)
goto Ayy; if (c[t - 1] != 0) {
lastNonZero = t - 1;
goto Ayy;
}
} }
else goto Ayy;
return new char[2]{ '0', 0 }; return new char[2]{ '0', 0 };
Ayy: Ayy:
@ -102,7 +106,24 @@ namespace Tools {
return c1; return c1;
} }
char* toHexString(ulong_64b value) { return toHexString(&value, sizeof(value)); } char* toHexString(const void* data, ulong_64b size) { return toHexString(data, size, true); }
char* toHexString(ulong_64b value) { return toHexString(&value, sizeof(value), false); }
void* parseHex(char* c, size_t *rSize) {
size_t len = strlen(c);
size_t rem = (len % 2);
size_t target = (len + rem) / 2;
if (rSize != nullptr) *rSize = target;
char* out = new char[target];
if (rem) out[target - 1] = c[0] - (c[0]>64 ? 55 : 48);
for (size_t t = rem; t < len; ++t) {
out[target - 1 - ((t + rem) / 2)] |= (c[t] - (c[t] > 64 ? 55 : 48)) << (((t + 1) % 2) * 4);
}
return out;
}
ulong_64b parseHexLong(char* c) { return *(ulong_64b*)parseHex(c, nullptr); }
bool isDigit(char c) { return (c > 47) && (c < 58); } bool isDigit(char c) { return (c > 47) && (c < 58); }

3
CPPTools/Support.h
View File

@ -20,8 +20,11 @@ namespace Tools {
ulong_64b indexOf(char*, char); ulong_64b indexOf(char*, char);
ulong_64b lastIndexOf(char*, char); ulong_64b lastIndexOf(char*, char);
char* copydata(const char*, ulong_64b); char* copydata(const char*, ulong_64b);
char* toHexString(const void* data, ulong_64b size, bool);
char* toHexString(const void* data, ulong_64b size); char* toHexString(const void* data, ulong_64b size);
char* toHexString(ulong_64b); char* toHexString(ulong_64b);
void* parseHex(char*, size_t *rSize);
ulong_64b parseHexLong(char*);
bool isDigit(char c); bool isDigit(char c);
bool isNumber(char* c); bool isNumber(char* c);
bool isIP(char* c); bool isIP(char* c);