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/*
==============================================================================
This file is part of the juce_core module of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission to use, copy, modify, and/or distribute this software for any purpose with
or without fee is hereby granted, provided that the above copyright notice and this
permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
------------------------------------------------------------------------------
NOTE! This permissive ISC license applies ONLY to files within the juce_core module!
All other JUCE modules are covered by a dual GPL/commercial license, so if you are
using any other modules, be sure to check that you also comply with their license.
For more details, visit www.juce.com
==============================================================================
*/
LocalisedStrings::LocalisedStrings (const String& fileContents, bool ignoreCase)
{
loadFromText (fileContents, ignoreCase);
}
LocalisedStrings::LocalisedStrings (const File& fileToLoad, bool ignoreCase)
{
loadFromText (fileToLoad.loadFileAsString(), ignoreCase);
}
LocalisedStrings::LocalisedStrings (const LocalisedStrings& other)
: languageName (other.languageName), countryCodes (other.countryCodes),
translations (other.translations), fallback (createCopyIfNotNull (other.fallback.get()))
{
}
LocalisedStrings& LocalisedStrings::operator= (const LocalisedStrings& other)
{
languageName = other.languageName;
countryCodes = other.countryCodes;
translations = other.translations;
fallback = createCopyIfNotNull (other.fallback.get());
return *this;
}
LocalisedStrings::~LocalisedStrings()
{
}
//==============================================================================
String LocalisedStrings::translate (const String& text) const
{
if (fallback != nullptr && ! translations.containsKey (text))
return fallback->translate (text);
return translations.getValue (text, text);
}
String LocalisedStrings::translate (const String& text, const String& resultIfNotFound) const
{
if (fallback != nullptr && ! translations.containsKey (text))
return fallback->translate (text, resultIfNotFound);
return translations.getValue (text, resultIfNotFound);
}
namespace
{
#if JUCE_CHECK_MEMORY_LEAKS
// By using this object to force a LocalisedStrings object to be created
// before the currentMappings object, we can force the static order-of-destruction to
// delete the currentMappings object first, which avoids a bogus leak warning.
// (Oddly, just creating a LocalisedStrings on the stack doesn't work in gcc, it
// has to be created with 'new' for this to work..)
struct LeakAvoidanceTrick
{
LeakAvoidanceTrick()
{
const ScopedPointer<LocalisedStrings> dummy (new LocalisedStrings (String(), false));
}
};
LeakAvoidanceTrick leakAvoidanceTrick;
#endif
SpinLock currentMappingsLock;
ScopedPointer<LocalisedStrings> currentMappings;
static int findCloseQuote (const String& text, int startPos)
{
juce_wchar lastChar = 0;
String::CharPointerType t (text.getCharPointer() + startPos);
for (;;)
{
const juce_wchar c = t.getAndAdvance();
if (c == 0 || (c == '"' && lastChar != '\\'))
break;
lastChar = c;
++startPos;
}
return startPos;
}
static String unescapeString (const String& s)
{
return s.replace ("\\\"", "\"")
.replace ("\\\'", "\'")
.replace ("\\t", "\t")
.replace ("\\r", "\r")
.replace ("\\n", "\n");
}
}
void LocalisedStrings::loadFromText (const String& fileContents, bool ignoreCase)
{
translations.setIgnoresCase (ignoreCase);
StringArray lines;
lines.addLines (fileContents);
for (int i = 0; i < lines.size(); ++i)
{
String line (lines[i].trim());
if (line.startsWithChar ('"'))
{
int closeQuote = findCloseQuote (line, 1);
const String originalText (unescapeString (line.substring (1, closeQuote)));
if (originalText.isNotEmpty())
{
const int openingQuote = findCloseQuote (line, closeQuote + 1);
closeQuote = findCloseQuote (line, openingQuote + 1);
const String newText (unescapeString (line.substring (openingQuote + 1, closeQuote)));
if (newText.isNotEmpty())
translations.set (originalText, newText);
}
}
else if (line.startsWithIgnoreCase ("language:"))
{
languageName = line.substring (9).trim();
}
else if (line.startsWithIgnoreCase ("countries:"))
{
countryCodes.addTokens (line.substring (10).trim(), true);
countryCodes.trim();
countryCodes.removeEmptyStrings();
}
}
translations.minimiseStorageOverheads();
}
void LocalisedStrings::addStrings (const LocalisedStrings& other)
{
jassert (languageName == other.languageName);
jassert (countryCodes == other.countryCodes);
translations.addArray (other.translations);
}
void LocalisedStrings::setFallback (LocalisedStrings* f)
{
fallback = f;
}
//==============================================================================
void LocalisedStrings::setCurrentMappings (LocalisedStrings* newTranslations)
{
const SpinLock::ScopedLockType sl (currentMappingsLock);
currentMappings = newTranslations;
}
LocalisedStrings* LocalisedStrings::getCurrentMappings()
{
return currentMappings;
}
String LocalisedStrings::translateWithCurrentMappings (const String& text) { return juce::translate (text); }
String LocalisedStrings::translateWithCurrentMappings (const char* text) { return juce::translate (text); }
JUCE_API String translate (const String& text) { return juce::translate (text, text); }
JUCE_API String translate (const char* text) { return juce::translate (String (text)); }
JUCE_API String translate (CharPointer_UTF8 text) { return juce::translate (String (text)); }
JUCE_API String translate (const String& text, const String& resultIfNotFound)
{
const SpinLock::ScopedLockType sl (currentMappingsLock);
if (const LocalisedStrings* const mappings = LocalisedStrings::getCurrentMappings())
return mappings->translate (text, resultIfNotFound);
return resultIfNotFound;
}
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