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StringUtils.h
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1 // Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6 
7 #ifndef STRINGUTILS_H
8 #define STRINGUTILS_H
9 
10 #include "Lucene.h"
11 
12 namespace Lucene {
13 
14 class LPPAPI StringUtils {
15 public:
17  static const int32_t MAX_ENCODING_UTF8_SIZE;
18 
20  static const int32_t CHARACTER_MAX_RADIX;
21 
22 public:
24  static int32_t toUnicode(const uint8_t* utf8, int32_t length, CharArray unicode);
25 
27  static int32_t toUnicode(const uint8_t* utf8, int32_t length, const UnicodeResultPtr& unicodeResult);
28 
30  static String toUnicode(const uint8_t* utf8, int32_t length);
31 
33  static String toUnicode(const SingleString& s);
34 
36  static int32_t toUTF8(const wchar_t* unicode, int32_t length, ByteArray utf8);
37 
39  static int32_t toUTF8(const wchar_t* unicode, int32_t length, const UTF8ResultPtr& utf8Result);
40 
42  static SingleString toUTF8(const wchar_t* unicode, int32_t length);
43 
45  static SingleString toUTF8(const String& s);
46 
48  static void toLower(String& str);
49 
51  static String toLower(const String& str);
52 
54  static void toUpper(String& str);
55 
57  static String toUpper(const String& str);
58 
60  static int32_t compareCase(const String& first, const String& second);
61 
63  static Collection<String> split(const String& str, const String& delim);
64 
66  static int32_t toInt(const String& value);
67 
69  static int64_t toLong(const String& value);
70 
72  static int64_t toLong(const String& value, int32_t base);
73 
75  static double toDouble(const String& value);
76 
78  static int32_t hashCode(const String& value);
79 
81  static String toString(int64_t value, int32_t base);
82 
84  template <class TYPE>
85  static String toString(const TYPE& value) {
86  StringStream os;
87  os << value;
88  return os.str();
89  }
90 };
91 
92 #define UTF8_TO_STRING(utf8) StringUtils::toUnicode(utf8, SIZEOF_ARRAY(utf8))
93 }
94 
95 #endif
static const int32_t MAX_ENCODING_UTF8_SIZE
Maximum length of UTF encoding.
Definition: StringUtils.h:17
boost::shared_ptr< UTF8Result > UTF8ResultPtr
Definition: LuceneTypes.h:559
boost::shared_ptr< UnicodeResult > UnicodeResultPtr
Definition: LuceneTypes.h:554
static String toString(const TYPE &value)
Convert any given type to a String.
Definition: StringUtils.h:85
Definition: AbstractAllTermDocs.h:12
static const int32_t CHARACTER_MAX_RADIX
Default character radix.
Definition: StringUtils.h:20
Definition: StringUtils.h:14

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