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18  */
19 
20 #include <tools/urlobj.hxx>
21 #include <ucbhelper/content.hxx>
22 #include <tools/debug.hxx>
23 #include <comphelper/processfactory.hxx>
24 #include <com/sun/star/uno/Sequence.hxx>
25 #include <com/sun/star/uno/Reference.h>
26 #include <com/sun/star/util/thePathSettings.hpp>
27 #include <o3tl/typed_flags_set.hxx>
28 
29 #include <linguistic/misc.hxx>
30 
31 using namespace com::sun::star;
32 
33 /// Flags to be used with the multi-path related functions
34 /// @see GetDictionaryPaths
35 enum class DictionaryPathFlags
36 {
37     NONE      = 0x00,
38     INTERNAL  = 0x01,
39     USER      = 0x02,
40 };
41 namespace o3tl
42 {
43     template<> struct typed_flags<DictionaryPathFlags> : is_typed_flags<DictionaryPathFlags, 0x03> {};
44 }
45 #define PATH_FLAG_ALL       (DictionaryPathFlags::INTERNAL | DictionaryPathFlags::USER)
46 
47 namespace linguistic
48 {
49 
50 
FileExists(const OUString & rMainURL)51 bool FileExists( const OUString &rMainURL )
52 {
53     bool bExists = false;
54     if (!rMainURL.isEmpty())
55     {
56         try
57         {
58             ::ucbhelper::Content aContent( rMainURL,
59                     uno::Reference< css::ucb::XCommandEnvironment >(),
60                     comphelper::getProcessComponentContext());
61             bExists = aContent.isDocument();
62         }
63         catch (uno::Exception &)
64         {
65         }
66     }
67     return bExists;
68 }
69 
GetMultiPaths_Impl(const OUString & rPathPrefix,DictionaryPathFlags nPathFlags)70 static std::vector< OUString > GetMultiPaths_Impl(
71     const OUString &rPathPrefix,
72     DictionaryPathFlags nPathFlags )
73 {
74     std::vector< OUString >     aRes;
75     uno::Sequence< OUString >   aInternalPaths;
76     uno::Sequence< OUString >   aUserPaths;
77     OUString                    aWritablePath;
78 
79     bool bSuccess = true;
80     uno::Reference< uno::XComponentContext >  xContext( comphelper::getProcessComponentContext() );
81     try
82     {
83         OUString aInternal( rPathPrefix + "_internal" );
84         OUString aUser( rPathPrefix + "_user" );
85         OUString aWriteable( rPathPrefix + "_writable" );
86 
87         uno::Reference< util::XPathSettings > xPathSettings =
88             util::thePathSettings::get( xContext );
89         xPathSettings->getPropertyValue( aInternal )  >>= aInternalPaths;
90         xPathSettings->getPropertyValue( aUser )      >>= aUserPaths;
91         xPathSettings->getPropertyValue( aWriteable ) >>= aWritablePath;
92     }
93     catch (uno::Exception &)
94     {
95         bSuccess = false;
96     }
97     if (bSuccess)
98     {
99         // build resulting sequence by adding the paths in the following order:
100         // 1. writable path
101         // 2. all user paths
102         // 3. all internal paths
103         sal_Int32 nMaxEntries = aInternalPaths.getLength() + aUserPaths.getLength();
104         if (!aWritablePath.isEmpty())
105             ++nMaxEntries;
106         aRes.reserve( nMaxEntries );
107         if (!aWritablePath.isEmpty())
108             aRes.push_back(aWritablePath);
109 
110         auto lPathIsNotEmpty = [](const OUString& rPath) { return !rPath.isEmpty(); };
111 
112         if (nPathFlags & DictionaryPathFlags::USER)
113             std::copy_if(std::cbegin(aUserPaths), std::cend(aUserPaths), std::back_inserter(aRes), lPathIsNotEmpty);
114 
115         if (nPathFlags & DictionaryPathFlags::INTERNAL)
116             std::copy_if(std::cbegin(aInternalPaths), std::cend(aInternalPaths), std::back_inserter(aRes), lPathIsNotEmpty);
117     }
118 
119     return aRes;
120 }
121 
GetDictionaryWriteablePath()122 OUString GetDictionaryWriteablePath()
123 {
124     std::vector< OUString > aPaths( GetMultiPaths_Impl( "Dictionary", DictionaryPathFlags::NONE ) );
125     DBG_ASSERT( aPaths.size() == 1, "Dictionary_writable path corrupted?" );
126     OUString aRes;
127     if (!aPaths.empty())
128         aRes = aPaths[0];
129     return aRes;
130 }
131 
GetDictionaryPaths()132 std::vector< OUString > GetDictionaryPaths()
133 {
134     return GetMultiPaths_Impl( "Dictionary", PATH_FLAG_ALL );
135 }
136 
GetWritableDictionaryURL(const OUString & rDicName)137 OUString  GetWritableDictionaryURL( const OUString &rDicName )
138 {
139     // new user writable dictionaries should be created in the 'writable' path
140     OUString aDirName( GetDictionaryWriteablePath() );
141 
142     // build URL to use for a new (persistent) dictionary
143     INetURLObject aURLObj;
144     aURLObj.SetSmartProtocol( INetProtocol::File );
145     aURLObj.SetSmartURL( aDirName );
146     DBG_ASSERT(!aURLObj.HasError(), "lng : invalid URL");
147     aURLObj.Append( rDicName, INetURLObject::EncodeMechanism::All );
148     DBG_ASSERT(!aURLObj.HasError(), "lng : invalid URL");
149 
150     // DecodeMechanism::NONE preserves the escape sequences that might be included in aDirName
151     // depending on the characters used in the path string. (Needed when comparing
152     // the dictionary URL with GetDictionaryWriteablePath in DicList::createDictionary.)
153     return aURLObj.GetMainURL( INetURLObject::DecodeMechanism::NONE );
154 }
155 
156 }   // namespace linguistic
157 
158 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
159