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juce_FileSearchPath.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
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
23 namespace juce
24{
25
26 FileSearchPath::FileSearchPath (const String& path)
27{
28 init (path);
29}
30
31 FileSearchPath::FileSearchPath (const FileSearchPath& other)
32 : directories (other.directories)
33{
34}
35
36 FileSearchPath& FileSearchPath::operator= (const FileSearchPath& other)
37{
38 directories = other.directories;
39 return *this;
40}
41
42 FileSearchPath& FileSearchPath::operator= (const String& path)
43{
44 init (path);
45 return *this;
46}
47
48 void FileSearchPath::init (const String& path)
49{
50 directories.clear();
51 directories.addTokens (path, ";", "\"");
52 directories.trim();
53 directories.removeEmptyStrings();
54
55 for (auto& d : directories)
56 d = d.unquoted();
57}
58
59 int FileSearchPath::getNumPaths() const
60{
61 return directories.size();
62}
63
64 File FileSearchPath::operator[] (int index) const
65{
66 return File (getRawString (index));
67}
68
69 String FileSearchPath::getRawString (int index) const
70{
71 return directories[index];
72}
73
74 String FileSearchPath::toString() const
75{
76 return toStringWithSeparator (";");
77}
78
79 String FileSearchPath::toStringWithSeparator (StringRef separator) const
80{
81 auto dirs = directories;
82
83 for (auto& d : dirs)
84 if (d.contains (separator))
85 d = d.quoted();
86
87 return dirs.joinIntoString (separator);
88}
89
90 void FileSearchPath::add (const File& dir, int insertIndex)
91{
92 directories.insert (insertIndex, dir.getFullPathName());
93}
94
95 bool FileSearchPath::addIfNotAlreadyThere (const File& dir)
96{
97 for (auto& d : directories)
98 if (File (d) == dir)
99 return false;
100
101 add (dir);
102 return true;
103}
104
105 void FileSearchPath::remove (int index)
106{
107 directories.remove (index);
108}
109
110 void FileSearchPath::addPath (const FileSearchPath& other)
111{
112 for (int i = 0; i < other.getNumPaths(); ++i)
113 addIfNotAlreadyThere (other[i]);
114}
115
116 void FileSearchPath::removeRedundantPaths()
117{
118 std::vector<String> reduced;
119
120 for (const auto& directory : directories)
121 {
122 const auto checkedIsChildOf = [&] (const auto& a, const auto& b)
123 {
124 return File::isAbsolutePath (a) && File::isAbsolutePath (b) && File (a).isAChildOf (b);
125 };
126
127 const auto fContainsDirectory = [&] (const auto& f)
128 {
129 return f == directory || checkedIsChildOf (directory, f);
130 };
131
132 if (std::find_if (reduced.begin(), reduced.end(), fContainsDirectory) != reduced.end())
133 continue;
134
135 const auto directoryContainsF = [&] (const auto& f) { return checkedIsChildOf (f, directory); };
136
137 reduced.erase (std::remove_if (reduced.begin(), reduced.end(), directoryContainsF), reduced.end());
138 reduced.push_back (directory);
139 }
140
141 directories = StringArray (reduced.data(), (int) reduced.size());
142}
143
144 void FileSearchPath::removeNonExistentPaths()
145{
146 for (int i = directories.size(); --i >= 0;)
147 if (! File (directories[i]).isDirectory())
148 directories.remove (i);
149}
150
151 Array<File> FileSearchPath::findChildFiles (int whatToLookFor, bool recurse, const String& wildcard) const
152{
153 Array<File> results;
154 findChildFiles (results, whatToLookFor, recurse, wildcard);
155 return results;
156}
157
158 int FileSearchPath::findChildFiles (Array<File>& results, int whatToLookFor,
159 bool recurse, const String& wildcard) const
160{
161 int total = 0;
162
163 for (auto& d : directories)
164 total += File (d).findChildFiles (results, whatToLookFor, recurse, wildcard);
165
166 return total;
167}
168
169 bool FileSearchPath::isFileInPath (const File& fileToCheck,
170 const bool checkRecursively) const
171{
172 for (auto& d : directories)
173 {
174 if (checkRecursively)
175 {
176 if (fileToCheck.isAChildOf (File (d)))
177 return true;
178 }
179 else
180 {
181 if (fileToCheck.getParentDirectory() == File (d))
182 return true;
183 }
184 }
185
186 return false;
187}
188
189//==============================================================================
190//==============================================================================
191#if JUCE_UNIT_TESTS
192
193 class FileSearchPathTests final : public UnitTest
194{
195 public:
196 FileSearchPathTests() : UnitTest ("FileSearchPath", UnitTestCategories::files) {}
197
198 void runTest() override
199 {
200 beginTest ("removeRedundantPaths");
201 {
202 #if JUCE_WINDOWS
203 const String prefix = "C:";
204 #else
205 const String prefix = "";
206 #endif
207
208 {
209 FileSearchPath fsp { prefix + "/a/b/c/d;" + prefix + "/a/b/c/e;" + prefix + "/a/b/c" };
210 fsp.removeRedundantPaths();
211 expectEquals (fsp.toString(), prefix + "/a/b/c");
212 }
213
214 {
215 FileSearchPath fsp { prefix + "/a/b/c;" + prefix + "/a/b/c/d;" + prefix + "/a/b/c/e" };
216 fsp.removeRedundantPaths();
217 expectEquals (fsp.toString(), prefix + "/a/b/c");
218 }
219
220 {
221 FileSearchPath fsp { prefix + "/a/b/c/d;" + prefix + "/a/b/c;" + prefix + "/a/b/c/e" };
222 fsp.removeRedundantPaths();
223 expectEquals (fsp.toString(), prefix + "/a/b/c");
224 }
225
226 {
227 FileSearchPath fsp { "%FOO%;" + prefix + "/a/b/c;%FOO%;" + prefix + "/a/b/c/d" };
228 fsp.removeRedundantPaths();
229 expectEquals (fsp.toString(), "%FOO%;" + prefix + "/a/b/c");
230 }
231 }
232 }
233};
234
235 static FileSearchPathTests fileSearchPathTests;
236
237#endif
238
239} // namespace juce
juce::Array
Definition juce_Array.h:56
juce::FileSearchPath
Definition juce_FileSearchPath.h:35
juce::FileSearchPath::isFileInPath
bool isFileInPath(const File &fileToCheck, bool checkRecursively) const
Definition juce_FileSearchPath.cpp:169
juce::FileSearchPath::add
void add(const File &directoryToAdd, int insertIndex=-1)
Definition juce_FileSearchPath.cpp:90
juce::FileSearchPath::remove
void remove(int indexToRemove)
Definition juce_FileSearchPath.cpp:105
juce::FileSearchPath::removeNonExistentPaths
void removeNonExistentPaths()
Definition juce_FileSearchPath.cpp:144
juce::FileSearchPath::operator=
FileSearchPath & operator=(const FileSearchPath &)
Definition juce_FileSearchPath.cpp:36
juce::FileSearchPath::addPath
void addPath(const FileSearchPath &)
Definition juce_FileSearchPath.cpp:110
juce::FileSearchPath::toString
String toString() const
Definition juce_FileSearchPath.cpp:74
juce::FileSearchPath::getNumPaths
int getNumPaths() const
Definition juce_FileSearchPath.cpp:59
juce::FileSearchPath::operator[]
File operator[](int index) const
Definition juce_FileSearchPath.cpp:64
juce::FileSearchPath::removeRedundantPaths
void removeRedundantPaths()
Definition juce_FileSearchPath.cpp:116
juce::FileSearchPath::FileSearchPath
FileSearchPath()=default
juce::FileSearchPath::addIfNotAlreadyThere
bool addIfNotAlreadyThere(const File &directoryToAdd)
Definition juce_FileSearchPath.cpp:95
juce::FileSearchPath::toStringWithSeparator
String toStringWithSeparator(StringRef separator) const
Definition juce_FileSearchPath.cpp:79
juce::FileSearchPath::findChildFiles
Array< File > findChildFiles(int whatToLookFor, bool searchRecursively, const String &wildCardPattern="*") const
Definition juce_FileSearchPath.cpp:151
juce::FileSearchPath::getRawString
String getRawString(int index) const
Definition juce_FileSearchPath.cpp:69
juce::File
Definition juce_File.h:45
juce::File::findChildFiles
Array< File > findChildFiles(int whatToLookFor, bool searchRecursively, const String &wildCardPattern="*", FollowSymlinks followSymlinks=FollowSymlinks::yes) const
Definition juce_File.cpp:572
juce::File::getFullPathName
const String & getFullPathName() const noexcept
Definition juce_File.h:153
juce::File::isAbsolutePath
static bool isAbsolutePath(StringRef path)
Definition juce_File.cpp:408
juce::File::getParentDirectory
File getParentDirectory() const
Definition juce_File.cpp:358
juce::File::isAChildOf
bool isAChildOf(const File &potentialParentDirectory) const
Definition juce_File.cpp:388
juce::StringArray
Definition juce_StringArray.h:35
juce::StringArray::removeEmptyStrings
void removeEmptyStrings(bool removeWhitespaceStrings=true)
Definition juce_StringArray.cpp:250
juce::StringArray::clear
void clear()
Definition juce_StringArray.cpp:107
juce::StringArray::trim
void trim()
Definition juce_StringArray.cpp:266
juce::StringArray::addTokens
int addTokens(StringRef stringToTokenise, bool preserveQuotedStrings)
Definition juce_StringArray.cpp:329
juce::StringRef
Definition juce_StringRef.h:62
juce::String
Definition juce_String.h:53
juce::String::quoted
String quoted(juce_wchar quoteCharacter='"') const
Definition juce_String.cpp:1624
juce::UnitTest
Definition juce_UnitTest.h:70