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store trie match and use if another isnt found

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This commit is contained in:
Akash Mozumdar 2019-02-25 01:06:16 -05:00
parent ec0b9c077c
commit f62f90a068
1 changed files with 19 additions and 5 deletions
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24
extensions/replacer.cpp
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@ -25,13 +25,24 @@ public:
std::pair<int, std::optional<std::wstring>> Lookup(const std::wstring& text)
{
std::pair<int, std::optional<std::wstring>> result = {};
int length = 0;
Node* current = &root;
for (auto ch : text)
if (Ignore(ch)) ++length;
else if (auto& next = current->next[ch]) ++length, current = next.get();
{
if (Ignore(ch))
{
length += 1;
}
else if (auto& next = current->next[ch])
{
length += 1;
current = next.get();
if (current->value) result = { length, current->value };
}
else break;
return { length, current->value };
}
return result;
}
private:
@ -124,12 +135,15 @@ TEST(
assert(Parse(LR"(|ORIG| さよなら|BECOMES|goodbye|END|
|ORIG|バカ|BECOMES|idiot|END|
|ORIG|こんにちは |BECOMES|hello|END|)") == 3);
std::wstring replaced = LR"(hello　
std::wstring replaced = LR"(blahblah　
さよなら バカ こんにちは)";
Replace(replaced);
assert(replaced.find(L"さよなら") == std::wstring::npos &&
replaced.find(L"バカ") == std::wstring::npos &&
replaced.find(L"こんにちは") == std::wstring::npos
replaced.find(L"こんにちは") == std::wstring::npos &&
replaced.find(L"goodbye") != std::wstring::npos &&
replaced.find(L"idiot") != std::wstring::npos &&
replaced.find(L"hello") != std::wstring::npos
);
}
);