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/*
* Copyright (C) 2004-2018 ZNC, see the NOTICE file for details.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ZNC_TRANSLATION_H
#define ZNC_TRANSLATION_H
#include <znc/ZNCString.h>
#include <unordered_map>
struct CTranslationInfo {
static std::map<CString, CTranslationInfo> GetTranslations();
CString sSelfName;
};
// All instances of modules share single message map using this class stored in
// CZNC.
class CTranslation {
public:
static CTranslation& Get();
CString Singular(const CString& sDomain, const CString& sContext,
const CString& sEnglish);
CString Plural(const CString& sDomain, const CString& sContext,
const CString& sEnglish, const CString& sEnglishes,
int iNum);
void PushLanguage(const CString& sLanguage);
void PopLanguage();
void NewReference(const CString& sDomain);
void DelReference(const CString& sDomain);
private:
// Domain is either "znc" or "znc-foo" where foo is a module name
const std::locale& LoadTranslation(const CString& sDomain);
std::unordered_map<CString /* domain */,
std::unordered_map<CString /* language */, std::locale>>
m_Translations;
VCString m_sLanguageStack;
std::unordered_map<CString /* domain */, int> m_miReferences;
};
struct CLanguageScope {
explicit CLanguageScope(const CString& sLanguage);
~CLanguageScope();
};
struct CTranslationDomainRefHolder {
explicit CTranslationDomainRefHolder(const CString& sDomain);
~CTranslationDomainRefHolder();
private:
const CString m_sDomain;
};
// This is inspired by boost::locale::message, but without boost
class CDelayedTranslation {
public:
CDelayedTranslation() = default;
CDelayedTranslation(const CString& sDomain, const CString& sContext,
const CString& sEnglish)
: m_sDomain(sDomain), m_sContext(sContext), m_sEnglish(sEnglish) {}
CString Resolve() const;
private:
CString m_sDomain;
CString m_sContext;
CString m_sEnglish;
};
class COptionalTranslation {
public:
COptionalTranslation(const CString& sText)
: m_bTranslating(false), m_sText(sText) {}
COptionalTranslation(const char* s) : COptionalTranslation(CString(s)) {}
COptionalTranslation(const CDelayedTranslation& dTranslation)
: m_bTranslating(true), m_dTranslation(dTranslation) {}
CString Resolve() const {
return m_bTranslating ? m_dTranslation.Resolve() : m_sText;
}
private:
bool m_bTranslating;
// TODO switch to std::variant<CString, CDelayedTranslation> after C++17
CString m_sText;
CDelayedTranslation m_dTranslation;
};
// Used by everything except modules.
// CModule defines its own version of these functions.
class CCoreTranslationMixin {
protected:
static CString t_s(const CString& sEnglish, const CString& sContext = "");
static CInlineFormatMessage t_f(const CString& sEnglish,
const CString& sContext = "");
static CInlineFormatMessage t_p(const CString& sEnglish,
const CString& sEnglishes, int iNum,
const CString& sContext = "");
static CDelayedTranslation t_d(const CString& sEnglish,
const CString& sContext = "");
};
#endif
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