blob: 60de227995bafaa39d73ca0b93ae99b317976b2b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Scintilla source code edit control
// Encoding: UTF-8
/** @file CaseConvert.h
** Performs Unicode case conversions.
** Does not handle locale-sensitive case conversion.
**/
// Copyright 2013 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef CASECONVERT_H
#define CASECONVERT_H
#ifdef SCI_NAMESPACE
namespace Scintilla {
#endif
enum CaseConversion {
CaseConversionFold,
CaseConversionUpper,
CaseConversionLower
};
class ICaseConverter {
public:
virtual size_t CaseConvertString(char *converted, size_t sizeConverted, const char *mixed, size_t lenMixed) = 0;
};
ICaseConverter *ConverterFor(enum CaseConversion conversion);
// Returns a UTF-8 string. Empty when no conversion
const char *CaseConvert(int character, enum CaseConversion conversion);
// When performing CaseConvertString, the converted value may be up to 3 times longer than the input.
// Ligatures are often decomposed into multiple characters and long cases include:
// ΐ "\xce\x90" folds to ΐ "\xce\xb9\xcc\x88\xcc\x81"
const int maxExpansionCaseConversion=3;
// Converts a mixed case string using a particular conversion.
// Result may be a different length to input and the length is the return value.
// If there is not enough space then 0 is returned.
size_t CaseConvertString(char *converted, size_t sizeConverted, const char *mixed, size_t lenMixed, enum CaseConversion conversion);
#ifdef SCI_NAMESPACE
}
#endif
#endif
|
