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handle toggling of cache properly, error cases consistently, and stop saving cache unnecessarily

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This commit is contained in:
Akash Mozumdar 2023-04-21 17:23:25 -04:00
parent 60a5d74eda
commit ff1a7a358c
2 changed files with 10 additions and 9 deletions
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18
extensions/translatewrapper.cpp
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@ -18,6 +18,8 @@ extern const char* MAX_TRANSLATIONS_IN_TIMESPAN;
extern const char* TIMESPAN; extern const char* TIMESPAN;
extern const char* MAX_SENTENCE_SIZE; extern const char* MAX_SENTENCE_SIZE;
extern const char* API_KEY; extern const char* API_KEY;
extern const wchar_t* SENTENCE_TOO_LARGE_TO_TRANS;
extern const wchar_t* TRANSLATION_ERROR;
extern const wchar_t* TOO_MANY_TRANS_REQUESTS; extern const wchar_t* TOO_MANY_TRANS_REQUESTS;
extern const char* TRANSLATION_PROVIDER; extern const char* TRANSLATION_PROVIDER;
@ -34,7 +36,6 @@ namespace
{ {
Synchronized<TranslationParam> tlp; Synchronized<TranslationParam> tlp;
Synchronized<std::unordered_map<std::wstring, std::wstring>> translationCache; Synchronized<std::unordered_map<std::wstring, std::wstring>> translationCache;
int savedSize = 0;
std::string CacheFile() std::string CacheFile()
{ {
@ -46,7 +47,6 @@ namespace
for (const auto& [sentence, translation] : translationCache.Acquire().contents) for (const auto& [sentence, translation] : translationCache.Acquire().contents)
allTranslations.append(L"|SENTENCE|").append(sentence).append(L"|TRANSLATION|").append(translation).append(L"|END|\r\n"); allTranslations.append(L"|SENTENCE|").append(sentence).append(L"|TRANSLATION|").append(translation).append(L"|END|\r\n");
std::ofstream(CacheFile(), std::ios::binary | std::ios::trunc).write((const char*)allTranslations.c_str(), allTranslations.size() * sizeof(wchar_t)); std::ofstream(CacheFile(), std::ios::binary | std::ios::trunc).write((const char*)allTranslations.c_str(), allTranslations.size() * sizeof(wchar_t));
savedSize = translationCache->size();
} }
void LoadCache() void LoadCache()
{ {
@ -59,7 +59,6 @@ namespace
auto& [sentence, translation] = read.value(); auto& [sentence, translation] = read.value();
translationCache->try_emplace(std::move(sentence), std::move(translation)); translationCache->try_emplace(std::move(sentence), std::move(translation));
} }
savedSize = translationCache->size();
} }
} }
@ -141,7 +140,7 @@ public:
private: private:
void SaveTranslateTo(QString language) void SaveTranslateTo(QString language)
{ {
if (translationCache->size() > savedSize) SaveCache(); SaveCache();
settings.setValue(TRANSLATE_TO, S(tlp->translateTo = S(language))); settings.setValue(TRANSLATE_TO, S(tlp->translateTo = S(language)));
LoadCache(); LoadCache();
} }
@ -153,7 +152,7 @@ private:
bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo) bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
{ {
if (sentenceInfo["text number"] == 0 || sentence.size() > maxSentenceSize) return false; if (sentenceInfo["text number"] == 0) return false;
static class static class
{ {
@ -189,6 +188,7 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
sentence.erase(std::remove_if(sentence.begin(), sentence.end(), [](wchar_t ch) { return ch < ' ' && ch != '\n'; }), sentence.end()); sentence.erase(std::remove_if(sentence.begin(), sentence.end(), [](wchar_t ch) { return ch < ' ' && ch != '\n'; }), sentence.end());
} }
if (sentence.empty()) return true; if (sentence.empty()) return true;
if (sentence.size() > maxSentenceSize) translation = SENTENCE_TOO_LARGE_TO_TRANS;
if (useCache) if (useCache)
{ {
auto translationCache = ::translationCache.Acquire(); auto translationCache = ::translationCache.Acquire();
@ -197,12 +197,12 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
if (translation.empty() && (!translateSelectedOnly || sentenceInfo["current select"])) if (translation.empty() && (!translateSelectedOnly || sentenceInfo["current select"]))
if (rateLimiter.Request() || !useRateLimiter || (!rateLimitSelected && sentenceInfo["current select"])) std::tie(cache, translation) = Translate(sentence, tlp.Copy()); if (rateLimiter.Request() || !useRateLimiter || (!rateLimitSelected && sentenceInfo["current select"])) std::tie(cache, translation) = Translate(sentence, tlp.Copy());
else translation = TOO_MANY_TRANS_REQUESTS; else translation = TOO_MANY_TRANS_REQUESTS;
if (useFilter) Trim(translation); if (cache) translationCache->operator[](sentence) = translation;
if (cache) translationCache->try_emplace(sentence, translation);
if (cache && translationCache->size() > savedSize + 50) SaveCache();
if (useFilter) Trim(translation);
for (int i = 0; i < translation.size(); ++i) if (translation[i] == '\r' && translation[i + 1] == '\n') translation[i] = 0x200b; // for some reason \r appears as newline - no need to double for (int i = 0; i < translation.size(); ++i) if (translation[i] == '\r' && translation[i + 1] == '\n') translation[i] = 0x200b; // for some reason \r appears as newline - no need to double
if (!translation.empty()) (sentence += L"\x200b \n") += translation; if (translation.empty()) translation = TRANSLATION_ERROR;
(sentence += L"\x200b \n") += translation;
return true; return true;
} }

1
text.cpp
View File

@ -143,6 +143,7 @@ const char* RATE_LIMIT_SELECTED_THREAD = u8"Rate limit selected text thread";
const char* USE_TRANS_CACHE = u8"Use translation cache"; const char* USE_TRANS_CACHE = u8"Use translation cache";
const char* MAX_TRANSLATIONS_IN_TIMESPAN = u8"Max translation requests in timespan"; const char* MAX_TRANSLATIONS_IN_TIMESPAN = u8"Max translation requests in timespan";
const char* TIMESPAN = u8"Timespan (ms)"; const char* TIMESPAN = u8"Timespan (ms)";
const wchar_t* SENTENCE_TOO_LARGE_TO_TRANS = L"Sentence too large to translate";
const wchar_t* TOO_MANY_TRANS_REQUESTS = L"Rate limit exceeded: refuse to make more translation requests"; const wchar_t* TOO_MANY_TRANS_REQUESTS = L"Rate limit exceeded: refuse to make more translation requests";
const wchar_t* TRANSLATION_ERROR = L"Error while translating"; const wchar_t* TRANSLATION_ERROR = L"Error while translating";
const char* USE_PREV_SENTENCE_CONTEXT = u8"Use previous sentence as context"; const char* USE_PREV_SENTENCE_CONTEXT = u8"Use previous sentence as context";