OpenShot Audio Library | OpenShotAudio: juce_LocalisedStrings.cpp Source File

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
26LocalisedStrings::LocalisedStrings (const String& fileContents, bool ignoreCase)
27{
28 loadFromText (fileContents, ignoreCase);
29}
30
31 LocalisedStrings::LocalisedStrings (const File& fileToLoad, bool ignoreCase)
32{
33 loadFromText (fileToLoad.loadFileAsString(), ignoreCase);
34}
35
36 LocalisedStrings::LocalisedStrings (const LocalisedStrings& other)
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
51LocalisedStrings::~LocalisedStrings()
52{
53}
54
55//==============================================================================
56 String LocalisedStrings::translate (const String& text) const
57{
58 if (fallback != nullptr && ! translations.containsKey (text))
59 return fallback->translate (text);
60
61 return translations.getValue (text, text);
62}
63
64 String LocalisedStrings::translate (const String& text, const String& resultIfNotFound) const
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..)
80 struct LeakAvoidanceTrick
81 {
82 LeakAvoidanceTrick()
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
164 void LocalisedStrings::addStrings (const LocalisedStrings& other)
165{
166 jassert (languageName == other.languageName);
167 jassert (countryCodes == other.countryCodes);
168
169 translations.addArray (other.translations);
170}
171
172 void LocalisedStrings::setFallback (LocalisedStrings* f)
173{
174 fallback.reset (f);
175}
176
177//==============================================================================
178 void LocalisedStrings::setCurrentMappings (LocalisedStrings* newTranslations)
179{
180 const SpinLock::ScopedLockType sl (currentMappingsLock);
181 currentMappings.reset (newTranslations);
182}
183
184 LocalisedStrings* LocalisedStrings::getCurrentMappings()
185{
186 return currentMappings.get();
187}
188
189 String LocalisedStrings::translateWithCurrentMappings (const String& text) { return juce::translate (text); }
190 String 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
juce::File
Definition: juce_File.h:41
juce::File::loadFileAsString
String loadFileAsString() const
Definition: juce_File.cpp:550
juce::GenericScopedLock
Definition: juce_ScopedLock.h:55
juce::LocalisedStrings
Definition: juce_LocalisedStrings.h:72
juce::LocalisedStrings::setCurrentMappings
static void setCurrentMappings(LocalisedStrings *newTranslations)
Definition: juce_LocalisedStrings.cpp:178
juce::LocalisedStrings::translateWithCurrentMappings
static String translateWithCurrentMappings(const String &text)
Definition: juce_LocalisedStrings.cpp:189
juce::LocalisedStrings::translate
String translate(const String &text) const
Definition: juce_LocalisedStrings.cpp:56
juce::LocalisedStrings::getCurrentMappings
static LocalisedStrings * getCurrentMappings()
Definition: juce_LocalisedStrings.cpp:184
juce::LocalisedStrings::~LocalisedStrings
~LocalisedStrings()
Definition: juce_LocalisedStrings.cpp:51
juce::LocalisedStrings::addStrings
void addStrings(const LocalisedStrings &)
Definition: juce_LocalisedStrings.cpp:164
juce::LocalisedStrings::LocalisedStrings
LocalisedStrings(const String &fileContents, bool ignoreCaseOfKeys)
Definition: juce_LocalisedStrings.cpp:26
juce::LocalisedStrings::setFallback
void setFallback(LocalisedStrings *fallbackStrings)
Definition: juce_LocalisedStrings.cpp:172
juce::SpinLock::ScopedLockType
GenericScopedLock< SpinLock > ScopedLockType
Definition: juce_SpinLock.h:73
juce::StringArray::removeEmptyStrings
void removeEmptyStrings(bool removeWhitespaceStrings=true)
Definition: juce_StringArray.cpp:249
juce::StringArray::trim
void trim()
Definition: juce_StringArray.cpp:265
juce::StringArray::addTokens
int addTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
Definition: juce_StringArray.cpp:328
juce::StringPairArray::setIgnoresCase
void setIgnoresCase(bool shouldIgnoreCase)
Definition: juce_StringPairArray.cpp:143
juce::StringPairArray::getValue
String getValue(StringRef, const String &defaultReturnValue) const
Definition: juce_StringPairArray.cpp:90
juce::StringPairArray::containsKey
bool containsKey(StringRef key) const noexcept
Definition: juce_StringPairArray.cpp:100
juce::StringPairArray::set
void set(const String &key, const String &value)
Definition: juce_StringPairArray.cpp:105
juce::StringPairArray::minimiseStorageOverheads
void minimiseStorageOverheads()
Definition: juce_StringPairArray.cpp:163
juce::StringPairArray::addArray
void addArray(const StringPairArray &other)
Definition: juce_StringPairArray.cpp:120
juce::String
Definition: juce_String.h:39
juce::String::trim
String trim() const
Definition: juce_String.cpp:1667
juce::String::substring
String substring(int startIndex, int endIndex) const
Definition: juce_String.cpp:1509