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parse shortened hook codes

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This commit is contained in:
Akash Mozumdar 2020-09-10 07:12:50 -06:00
parent dc1f819952
commit f6742de3d5
2 changed files with 23 additions and 15 deletions
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36
GUI/host/hookcode.cpp
View File

@ -125,36 +125,44 @@ namespace
HCode.erase(0, match[0].length());
}
auto ConsumeHexInt = [&HCode]
{
size_t size = 0;
int value = 0;
try { value = std::stoi(HCode, &size, 16); }
catch (std::invalid_argument) {}
HCode.erase(0, size);
return value;
};
// data_offset
if (!std::regex_search(HCode, match, std::wregex(L"^-?[[:xdigit:]]+"))) return {};
hp.offset = std::stoi(match[0], nullptr, 16);
HCode.erase(0, match[0].length());
hp.offset = ConsumeHexInt();
// [*deref_offset1]
if (std::regex_search(HCode, match, std::wregex(L"^\\*(-?[[:xdigit:]]+)")))
if (HCode[0] == L'*')
{
hp.type |= DATA_INDIRECT;
hp.index = std::stoi(match[1], nullptr, 16);
HCode.erase(0, match[0].length());
HCode.erase(0, 1);
hp.index = ConsumeHexInt();
}
// [:split_offset[*deref_offset2]]
if (std::regex_search(HCode, match, std::wregex(L"^:(-?[[:xdigit:]]+)")))
if (HCode[0] == L':')
{
hp.type |= USING_SPLIT;
hp.split = std::stoi(match[1], nullptr, 16);
HCode.erase(0, match[0].length());
HCode.erase(0, 1);
hp.split = ConsumeHexInt();
if (std::regex_search(HCode, match, std::wregex(L"^\\*(-?[[:xdigit:]]+)")))
if (HCode[0] == L'*')
{
hp.type |= SPLIT_INDIRECT;
hp.split_index = std::stoi(match[1], nullptr, 16);
HCode.erase(0, match[0].length());
HCode.erase(0, 1);
hp.split_index = ConsumeHexInt();
}
}
// @addr[:module[:func]]
if (!std::regex_match(HCode, match, std::wregex(L"@([[:xdigit:]]+)(:.+?)?(:.+)?"))) return {};
if (!std::regex_match(HCode, match, std::wregex(L"^@([[:xdigit:]]+)(:.+?)?(:.+)?"))) return {};
hp.address = std::stoull(match[1], nullptr, 16);
if (match[2].matched)
{
@ -287,7 +295,7 @@ namespace HookCode
assert(Parse(L"/HQN936#-c*C:C*1C@4AA:gdi.dll:GetTextOutA")),
assert(Parse(L"HB4@0")),
assert(Parse(L"/RS65001#@44")),
assert(!Parse(L"HQ@4")),
assert(Parse(L"HQ@4")),
assert(!Parse(L"/RW@44")),
assert(!Parse(L"/HWG@33"))
);

2
extensions/replacer.cpp
View File

@ -61,7 +61,7 @@ public:
private:
static bool Ignore(wchar_t ch)
{
return ch <= 0x20 || std::iswspace(ch);
return ch <= 0x20 || iswspace(ch);
}
template <typename Node>