ddnet/src/game/localization.cpp

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#include "localization.h"
#include <base/tl/algorithm.h>
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#include <engine/shared/linereader.h>
#include <engine/console.h>
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#include <engine/storage.h>
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const char *Localize(const char *pStr)
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{
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const char *pNewStr = g_Localization.FindString(str_quickhash(pStr));
return pNewStr ? pNewStr : pStr;
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}
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CLocConstString::CLocConstString(const char *pStr)
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{
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m_pDefaultStr = pStr;
m_Hash = str_quickhash(m_pDefaultStr);
m_Version = -1;
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}
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void CLocConstString::Reload()
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{
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m_Version = g_Localization.Version();
const char *pNewStr = g_Localization.FindString(m_Hash);
m_pCurrentStr = pNewStr;
if(!m_pCurrentStr)
m_pCurrentStr = m_pDefaultStr;
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}
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CLocalizationDatabase::CLocalizationDatabase()
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{
m_VersionCounter = 0;
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m_CurrentVersion = 0;
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}
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void CLocalizationDatabase::AddString(const char *pOrgStr, const char *pNewStr)
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{
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CString s;
s.m_Hash = str_quickhash(pOrgStr);
s.m_Replacement = *pNewStr ? pNewStr : pOrgStr;
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m_Strings.add(s);
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}
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bool CLocalizationDatabase::Load(const char *pFilename, IStorage *pStorage, IConsole *pConsole)
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{
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// empty string means unload
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if(pFilename[0] == 0)
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{
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m_Strings.clear();
m_CurrentVersion = 0;
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return true;
}
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IOHANDLE IoHandle = pStorage->OpenFile(pFilename, IOFLAG_READ, IStorage::TYPE_ALL);
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if(!IoHandle)
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return false;
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "loaded '%s'", pFilename);
pConsole->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "localization", aBuf);
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m_Strings.clear();
char aOrigin[512];
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CLineReader LineReader;
LineReader.Init(IoHandle);
char *pLine;
while((pLine = LineReader.Get()))
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{
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if(!str_length(pLine))
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continue;
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if(pLine[0] == '#') // skip comments
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continue;
str_copy(aOrigin, pLine, sizeof(aOrigin));
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char *pReplacement = LineReader.Get();
if(!pReplacement)
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{
pConsole->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "localization", "unexpected end of file");
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break;
}
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if(pReplacement[0] != '=' || pReplacement[1] != '=' || pReplacement[2] != ' ')
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{
str_format(aBuf, sizeof(aBuf), "malform replacement line for '%s'", aOrigin);
pConsole->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "localization", aBuf);
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continue;
}
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pReplacement += 3;
AddString(aOrigin, pReplacement);
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}
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io_close(IoHandle);
m_CurrentVersion = ++m_VersionCounter;
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return true;
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}
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const char *CLocalizationDatabase::FindString(unsigned Hash)
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{
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CString String;
String.m_Hash = Hash;
sorted_array<CString>::range r = ::find_binary(m_Strings.all(), String);
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if(r.empty())
return 0;
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return r.front().m_Replacement;
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}
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CLocalizationDatabase g_Localization;