Qore Programming Language  1.12.0
qore_encoding_private.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3  qore_encoding_private.h
4 
5  Qore Programming Language
6 
7  Copyright (C) 2003 - 2022 Qore Technologies, s.r.o.
8 
9  Permission is hereby granted, free of charge, to any person obtaining a
10  copy of this software and associated documentation files (the "Software"),
11  to deal in the Software without restriction, including without limitation
12  the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  and/or sell copies of the Software, and to permit persons to whom the
14  Software is furnished to do so, subject to the following conditions:
15 
16  The above copyright notice and this permission notice shall be included in
17  all copies or substantial portions of the Software.
18 
19  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25  DEALINGS IN THE SOFTWARE.
26 
27  Note that the Qore library is released under a choice of three open-source
28  licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
29  information.
30 */
31 
32 #ifndef _QORE_INTERN_QORE_ENCODING_PRIVATE_H
33 #define _QORE_INTERN_QORE_ENCODING_PRIVATE_H
34 
35 hashdecl qore_encoding_private {
36  std::string code;
37  std::string desc;
38 
39  unsigned char minwidth;
40  unsigned char maxwidth;
41 
42  mbcs_length_t flength;
43  mbcs_end_t fend;
44  mbcs_pos_t fpos;
45  mbcs_charlen_t fcharlen;
46 
47  mbcs_get_unicode_t get_unicode;
48  bool ascii_compat;
49 
50  DLLLOCAL qore_encoding_private(const char* code, const char* desc = nullptr, unsigned char minwidth = 1,
51  unsigned char maxwidth = 1, mbcs_length_t flength = nullptr, mbcs_end_t fend = nullptr,
52  mbcs_pos_t fpos = nullptr, mbcs_charlen_t fcharlen = nullptr, mbcs_get_unicode_t get_unicode = nullptr,
53  bool ascii_compat = true)
54  : code(code), desc(desc ? desc : ""), minwidth(minwidth), maxwidth(maxwidth), flength(flength), fend(fend),
55  fpos(fpos), fcharlen(fcharlen), get_unicode(get_unicode), ascii_compat(ascii_compat) {
56  }
57 
58  DLLLOCAL unsigned getMinCharWidth() const {
59  return minwidth;
60  }
61 
62  DLLLOCAL bool isAsciiCompat() const {
63  return ascii_compat;
64  }
65 
66  DLLLOCAL unsigned getUnicode(const char* p) const {
67  assert(get_unicode);
68  return get_unicode(p);
69  }
70 
71  DLLLOCAL static qore_encoding_private* get(QoreEncoding& enc) {
72  return enc.priv;
73  }
74 
75  DLLLOCAL static const qore_encoding_private* get(const QoreEncoding& enc) {
76  return enc.priv;
77  }
78 };
79 
80 #endif
size_t(* mbcs_pos_t)(const char *str, const char *ptr, bool &invalid)
for multi-byte character set encodings: gives the character position of the ptr
Definition: QoreEncoding.h:56
qore_offset_t(* mbcs_charlen_t)(const char *str, size_t valid_len)
for multi-byte encodings: gives the number of total bytes for the character given one or more charact...
Definition: QoreEncoding.h:63
size_t(* mbcs_end_t)(const char *str, const char *end, size_t num_chars, bool &invalid)
for multi-byte character set encodings: gives the number of bytes for the number of chars
Definition: QoreEncoding.h:53
size_t(* mbcs_length_t)(const char *str, const char *end, bool &invalid)
for multi-byte character set encodings: gives the length of the string in characters
Definition: QoreEncoding.h:50
unsigned(* mbcs_get_unicode_t)(const char *p)
returns the unicode code point for the given character, assumes there is enough data for the characte...
Definition: QoreEncoding.h:66
defines string encoding functions in Qore
Definition: QoreEncoding.h:83