OpenShot Audio Library | OpenShotAudio 0.3.2
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juce_LocalisedStrings.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23namespace juce
24{
25
27{
28 loadFromText (fileContents, ignoreCase);
29}
30
32{
33 loadFromText (fileToLoad.loadFileAsString(), ignoreCase);
34}
35
37 : languageName (other.languageName), countryCodes (other.countryCodes),
38 translations (other.translations), fallback (createCopyIfNotNull (other.fallback.get()))
39{
40}
41
42LocalisedStrings& LocalisedStrings::operator= (const LocalisedStrings& other)
43{
44 languageName = other.languageName;
45 countryCodes = other.countryCodes;
46 translations = other.translations;
47 fallback.reset (createCopyIfNotNull (other.fallback.get()));
48 return *this;
49}
50
54
55//==============================================================================
57{
58 if (fallback != nullptr && ! translations.containsKey (text))
59 return fallback->translate (text);
60
61 return translations.getValue (text, text);
62}
63
65{
66 if (fallback != nullptr && ! translations.containsKey (text))
67 return fallback->translate (text, resultIfNotFound);
68
69 return translations.getValue (text, resultIfNotFound);
70}
71
72namespace
73{
74 #if JUCE_CHECK_MEMORY_LEAKS
75 // By using this object to force a LocalisedStrings object to be created
76 // before the currentMappings object, we can force the static order-of-destruction to
77 // delete the currentMappings object first, which avoids a bogus leak warning.
78 // (Oddly, just creating a LocalisedStrings on the stack doesn't work in gcc, it
79 // has to be created with 'new' for this to work..)
81 {
83 {
84 const std::unique_ptr<LocalisedStrings> dummy (new LocalisedStrings (String(), false));
85 }
86 };
87
88 LeakAvoidanceTrick leakAvoidanceTrick;
89 #endif
90
91 SpinLock currentMappingsLock;
92 std::unique_ptr<LocalisedStrings> currentMappings;
93
94 static int findCloseQuote (const String& text, int startPos)
95 {
96 juce_wchar lastChar = 0;
97 auto t = text.getCharPointer() + startPos;
98
99 for (;;)
100 {
101 auto c = t.getAndAdvance();
102
103 if (c == 0 || (c == '"' && lastChar != '\\'))
104 break;
105
106 lastChar = c;
107 ++startPos;
108 }
109
110 return startPos;
111 }
112
113 static String unescapeString (const String& s)
114 {
115 return s.replace ("\\\"", "\"")
116 .replace ("\\\'", "\'")
117 .replace ("\\t", "\t")
118 .replace ("\\r", "\r")
119 .replace ("\\n", "\n");
120 }
121}
122
123void LocalisedStrings::loadFromText (const String& fileContents, bool ignoreCase)
124{
125 translations.setIgnoresCase (ignoreCase);
126
127 StringArray lines;
128 lines.addLines (fileContents);
129
130 for (auto& l : lines)
131 {
132 auto line = l.trim();
133
134 if (line.startsWithChar ('"'))
135 {
136 auto closeQuote = findCloseQuote (line, 1);
137 auto originalText = unescapeString (line.substring (1, closeQuote));
138
139 if (originalText.isNotEmpty())
140 {
141 auto openingQuote = findCloseQuote (line, closeQuote + 1);
142 closeQuote = findCloseQuote (line, openingQuote + 1);
143 auto newText = unescapeString (line.substring (openingQuote + 1, closeQuote));
144
145 if (newText.isNotEmpty())
146 translations.set (originalText, newText);
147 }
148 }
149 else if (line.startsWithIgnoreCase ("language:"))
150 {
151 languageName = line.substring (9).trim();
152 }
153 else if (line.startsWithIgnoreCase ("countries:"))
154 {
155 countryCodes.addTokens (line.substring (10).trim(), true);
156 countryCodes.trim();
157 countryCodes.removeEmptyStrings();
158 }
159 }
160
161 translations.minimiseStorageOverheads();
162}
163
165{
166 jassert (languageName == other.languageName);
167 jassert (countryCodes == other.countryCodes);
168
169 translations.addArray (other.translations);
170}
171
173{
174 fallback.reset (f);
175}
176
177//==============================================================================
183
188
189String LocalisedStrings::translateWithCurrentMappings (const String& text) { return juce::translate (text); }
190String LocalisedStrings::translateWithCurrentMappings (const char* text) { return juce::translate (text); }
191
192JUCE_API String translate (const String& text) { return juce::translate (text, text); }
193JUCE_API String translate (const char* text) { return juce::translate (String (text)); }
194JUCE_API String translate (CharPointer_UTF8 text) { return juce::translate (String (text)); }
195
196JUCE_API String translate (const String& text, const String& resultIfNotFound)
197{
198 const SpinLock::ScopedLockType sl (currentMappingsLock);
199
200 if (auto* mappings = LocalisedStrings::getCurrentMappings())
201 return mappings->translate (text, resultIfNotFound);
202
203 return resultIfNotFound;
204}
205
206} // namespace juce
Array()=default
static void setCurrentMappings(LocalisedStrings *newTranslations)
static String translateWithCurrentMappings(const String &text)
String translate(const String &text) const
static LocalisedStrings * getCurrentMappings()
void addStrings(const LocalisedStrings &)
LocalisedStrings(const String &fileContents, bool ignoreCaseOfKeys)
void setFallback(LocalisedStrings *fallbackStrings)
GenericScopedLock< SpinLock > ScopedLockType
void removeEmptyStrings(bool removeWhitespaceStrings=true)
int addTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
void setIgnoresCase(bool shouldIgnoreCase)
String getValue(StringRef, const String &defaultReturnValue) const
bool containsKey(StringRef key) const noexcept
void set(const String &key, const String &value)
void addArray(const StringPairArray &other)
String trim() const
String substring(int startIndex, int endIndex) const