OpenShot Audio Library | OpenShotAudio 0.3.3
Loading...
Searching...
No Matches
juce_StringArray.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}
29
31 : strings (other.strings)
32{
33}
34
36 : strings (std::move (other.strings))
37{
38}
39
41 : strings (std::move (other))
42{
43}
44
46{
47 strings.add (firstValue);
48}
49
50StringArray::StringArray (const String* initialStrings, int numberOfStrings)
51{
52 strings.addArray (initialStrings, numberOfStrings);
53}
54
55StringArray::StringArray (const char* const* initialStrings)
56{
57 strings.addNullTerminatedArray (initialStrings);
58}
59
60StringArray::StringArray (const char* const* initialStrings, int numberOfStrings)
61{
62 strings.addArray (initialStrings, numberOfStrings);
63}
64
65StringArray::StringArray (const wchar_t* const* initialStrings)
66{
67 strings.addNullTerminatedArray (initialStrings);
68}
69
70StringArray::StringArray (const wchar_t* const* initialStrings, int numberOfStrings)
71{
72 strings.addArray (initialStrings, numberOfStrings);
73}
74
75StringArray::StringArray (const std::initializer_list<const char*>& stringList)
76{
77 strings.addArray (stringList);
78}
79
81{
82 strings = other.strings;
83 return *this;
84}
85
87{
88 strings = std::move (other.strings);
89 return *this;
90}
91
93{
94}
95
96bool StringArray::operator== (const StringArray& other) const noexcept
97{
98 return strings == other.strings;
99}
100
101bool StringArray::operator!= (const StringArray& other) const noexcept
102{
103 return ! operator== (other);
104}
105
106void StringArray::swapWith (StringArray& other) noexcept
107{
108 strings.swapWith (other.strings);
109}
110
112{
113 strings.clear();
114}
115
117{
118 strings.clearQuick();
119}
120
121const String& StringArray::operator[] (int index) const noexcept
122{
123 if (isPositiveAndBelow (index, strings.size()))
124 return strings.getReference (index);
125
126 static String empty;
127 return empty;
128}
129
131{
132 return strings.getReference (index);
133}
134
135void StringArray::add (String newString)
136{
137 // NB: the local temp copy is to avoid a dangling pointer if the
138 // argument being passed-in is a reference into this array.
139 strings.add (std::move (newString));
140}
141
142void StringArray::insert (int index, String newString)
143{
144 // NB: the local temp copy is to avoid a dangling pointer if the
145 // argument being passed-in is a reference into this array.
146 strings.insert (index, std::move (newString));
147}
148
149bool StringArray::addIfNotAlreadyThere (const String& newString, bool ignoreCase)
150{
151 if (contains (newString, ignoreCase))
152 return false;
153
154 add (newString);
155 return true;
156}
157
158void StringArray::addArray (const StringArray& otherArray, int startIndex, int numElementsToAdd)
159{
160 jassert (this != &otherArray); // can't add from our own elements!
161
162 if (startIndex < 0)
163 {
164 jassertfalse;
165 startIndex = 0;
166 }
167
168 if (numElementsToAdd < 0 || startIndex + numElementsToAdd > otherArray.size())
169 numElementsToAdd = otherArray.size() - startIndex;
170
171 while (--numElementsToAdd >= 0)
172 strings.add (otherArray.strings.getReference (startIndex++));
173}
174
175void StringArray::mergeArray (const StringArray& otherArray, bool ignoreCase)
176{
177 jassert (this != &otherArray); // can't add from our own elements!
178
179 for (auto& s : otherArray)
180 addIfNotAlreadyThere (s, ignoreCase);
181}
182
183void StringArray::set (int index, String newString)
184{
185 strings.set (index, std::move (newString));
186}
187
188bool StringArray::contains (StringRef stringToLookFor, bool ignoreCase) const
189{
190 return indexOf (stringToLookFor, ignoreCase) >= 0;
191}
192
193int StringArray::indexOf (StringRef stringToLookFor, bool ignoreCase, int i) const
194{
195 if (i < 0)
196 i = 0;
197
198 auto numElements = size();
199
200 if (ignoreCase)
201 {
202 for (; i < numElements; ++i)
203 if (strings.getReference(i).equalsIgnoreCase (stringToLookFor))
204 return i;
205 }
206 else
207 {
208 for (; i < numElements; ++i)
209 if (stringToLookFor == strings.getReference (i))
210 return i;
211 }
212
213 return -1;
214}
215
216void StringArray::move (int currentIndex, int newIndex) noexcept
217{
218 strings.move (currentIndex, newIndex);
219}
220
221//==============================================================================
222void StringArray::remove (int index)
223{
224 strings.remove (index);
225}
226
227void StringArray::removeString (StringRef stringToRemove, bool ignoreCase)
228{
229 if (ignoreCase)
230 {
231 for (int i = size(); --i >= 0;)
232 if (strings.getReference(i).equalsIgnoreCase (stringToRemove))
233 strings.remove (i);
234 }
235 else
236 {
237 for (int i = size(); --i >= 0;)
238 if (stringToRemove == strings.getReference (i))
239 strings.remove (i);
240 }
241}
242
243void StringArray::removeRange (int startIndex, int numberToRemove)
244{
245 strings.removeRange (startIndex, numberToRemove);
246}
247
248//==============================================================================
249void StringArray::removeEmptyStrings (bool removeWhitespaceStrings)
250{
251 if (removeWhitespaceStrings)
252 {
253 for (int i = size(); --i >= 0;)
254 if (! strings.getReference(i).containsNonWhitespaceChars())
255 strings.remove (i);
256 }
257 else
258 {
259 for (int i = size(); --i >= 0;)
260 if (strings.getReference(i).isEmpty())
261 strings.remove (i);
262 }
263}
264
266{
267 for (auto& s : strings)
268 s = s.trim();
269}
270
271//==============================================================================
272void StringArray::sort (bool ignoreCase)
273{
274 if (ignoreCase)
275 std::sort (strings.begin(), strings.end(),
276 [] (const String& a, const String& b) { return a.compareIgnoreCase (b) < 0; });
277 else
278 std::sort (strings.begin(), strings.end());
279}
280
282{
283 std::sort (strings.begin(), strings.end(),
284 [] (const String& a, const String& b) { return a.compareNatural (b) < 0; });
285}
286
287//==============================================================================
288String StringArray::joinIntoString (StringRef separator, int start, int numberToJoin) const
289{
290 auto last = (numberToJoin < 0) ? size()
291 : jmin (size(), start + numberToJoin);
292
293 if (start < 0)
294 start = 0;
295
296 if (start >= last)
297 return {};
298
299 if (start == last - 1)
300 return strings.getReference (start);
301
302 auto separatorBytes = separator.text.sizeInBytes() - sizeof (String::CharPointerType::CharType);
303 auto bytesNeeded = (size_t) (last - start - 1) * separatorBytes;
304
305 for (int i = start; i < last; ++i)
306 bytesNeeded += strings.getReference(i).getCharPointer().sizeInBytes() - sizeof (String::CharPointerType::CharType);
307
308 String result;
309 result.preallocateBytes (bytesNeeded);
310
311 auto dest = result.getCharPointer();
312
313 while (start < last)
314 {
315 auto& s = strings.getReference (start);
316
317 if (! s.isEmpty())
318 dest.writeAll (s.getCharPointer());
319
320 if (++start < last && separatorBytes > 0)
321 dest.writeAll (separator.text);
322 }
323
324 dest.writeNull();
325 return result;
326}
327
328int StringArray::addTokens (StringRef text, const bool preserveQuotedStrings)
329{
330 return addTokens (text, " \n\r\t", preserveQuotedStrings ? "\"" : "");
331}
332
333int StringArray::addTokens (StringRef text, StringRef breakCharacters, StringRef quoteCharacters)
334{
335 int num = 0;
336
337 if (text.isNotEmpty())
338 {
339 for (auto t = text.text;;)
340 {
341 auto tokenEnd = CharacterFunctions::findEndOfToken (t,
342 breakCharacters.text,
343 quoteCharacters.text);
344 strings.add (String (t, tokenEnd));
345 ++num;
346
347 if (tokenEnd.isEmpty())
348 break;
349
350 t = ++tokenEnd;
351 }
352 }
353
354 return num;
355}
356
358{
359 int numLines = 0;
360 auto text = sourceText.text;
361 bool finished = text.isEmpty();
362
363 while (! finished)
364 {
365 for (auto startOfLine = text;;)
366 {
367 auto endOfLine = text;
368
369 switch (text.getAndAdvance())
370 {
371 case 0: finished = true; break;
372 case '\n': break;
373 case '\r': if (*text == '\n') ++text; break;
374 default: continue;
375 }
376
377 strings.add (String (startOfLine, endOfLine));
378 ++numLines;
379 break;
380 }
381 }
382
383 return numLines;
384}
385
386StringArray StringArray::fromTokens (StringRef stringToTokenise, bool preserveQuotedStrings)
387{
388 StringArray s;
389 s.addTokens (stringToTokenise, preserveQuotedStrings);
390 return s;
391}
392
394 StringRef breakCharacters,
395 StringRef quoteCharacters)
396{
397 StringArray s;
398 s.addTokens (stringToTokenise, breakCharacters, quoteCharacters);
399 return s;
400}
401
403{
404 StringArray s;
405 s.addLines (stringToBreakUp);
406 return s;
407}
408
409//==============================================================================
410void StringArray::removeDuplicates (bool ignoreCase)
411{
412 for (int i = 0; i < size() - 1; ++i)
413 {
414 auto s = strings.getReference(i);
415
416 for (int nextIndex = i + 1;;)
417 {
418 nextIndex = indexOf (s, ignoreCase, nextIndex);
419
420 if (nextIndex < 0)
421 break;
422
423 strings.remove (nextIndex);
424 }
425 }
426}
427
429 bool appendNumberToFirstInstance,
430 CharPointer_UTF8 preNumberString,
431 CharPointer_UTF8 postNumberString)
432{
433 if (preNumberString.getAddress() == nullptr)
434 preNumberString = CharPointer_UTF8 (" (");
435
436 if (postNumberString.getAddress() == nullptr)
437 postNumberString = CharPointer_UTF8 (")");
438
439 for (int i = 0; i < size() - 1; ++i)
440 {
441 auto& s = strings.getReference(i);
442 auto nextIndex = indexOf (s, ignoreCase, i + 1);
443
444 if (nextIndex >= 0)
445 {
446 auto original = s;
447 int number = 0;
448
449 if (appendNumberToFirstInstance)
450 s = original + String (preNumberString) + String (++number) + String (postNumberString);
451 else
452 ++number;
453
454 while (nextIndex >= 0)
455 {
456 set (nextIndex, (*this)[nextIndex] + String (preNumberString) + String (++number) + String (postNumberString));
457 nextIndex = indexOf (original, ignoreCase, nextIndex + 1);
458 }
459 }
460 }
461}
462
463void StringArray::ensureStorageAllocated (int minNumElements)
464{
465 strings.ensureStorageAllocated (minNumElements);
466}
467
469{
470 strings.minimiseStorageOverheads();
471}
472
473} // namespace juce
CharType * getAddress() const noexcept
static Type findEndOfToken(Type text, BreakType breakCharacters, Type quoteCharacters)
bool operator==(const StringArray &) const noexcept
String joinIntoString(StringRef separatorString, int startIndex=0, int numberOfElements=-1) const
void appendNumbersToDuplicates(bool ignoreCaseWhenComparing, bool appendNumberToFirstInstance, CharPointer_UTF8 preNumberString=CharPointer_UTF8(nullptr), CharPointer_UTF8 postNumberString=CharPointer_UTF8(nullptr))
String & getReference(int index) noexcept
void removeEmptyStrings(bool removeWhitespaceStrings=true)
void addArray(const StringArray &other, int startIndex=0, int numElementsToAdd=-1)
int indexOf(StringRef stringToLookFor, bool ignoreCase=false, int startIndex=0) const
bool contains(StringRef stringToLookFor, bool ignoreCase=false) const
void removeDuplicates(bool ignoreCase)
static StringArray fromTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
void insert(int index, String stringToAdd)
static StringArray fromLines(StringRef stringToBreakUp)
Array< String > strings
const String & operator[](int index) const noexcept
void removeString(StringRef stringToRemove, bool ignoreCase=false)
void sort(bool ignoreCase)
void move(int currentIndex, int newIndex) noexcept
void swapWith(StringArray &) noexcept
int size() const noexcept
bool operator!=(const StringArray &) const noexcept
void add(String stringToAdd)
int addLines(StringRef stringToBreakUp)
void mergeArray(const StringArray &other, bool ignoreCase=false)
bool addIfNotAlreadyThere(const String &stringToAdd, bool ignoreCase=false)
void removeRange(int startIndex, int numberToRemove)
StringArray & operator=(const StringArray &)
void set(int index, String newString)
void remove(int index)
void ensureStorageAllocated(int minNumElements)
int addTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
bool isNotEmpty() const noexcept
String::CharPointerType text
CharPointerType getCharPointer() const noexcept
Definition: juce_String.h:1198
void preallocateBytes(size_t numBytesNeeded)