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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <array>
#include <rtl/uuid.h>
#include <rtl/string.hxx>
#include <rtl/ustring.hxx>
#include <algorithm>
#include <stdio.h>
#include <cctype>
#include <o3tl/numeric.hxx>
namespace tools
{
class Guid
{
private:
typedef std::array<sal_uInt8, 16> GuidArrayType;
GuidArrayType maGuidArray;
void parse(std::string_view rString)
{
if (rString.size() != 38)
return;
if (rString[0] != '{' || rString[37] != '}' || rString[9] != '-' || rString[14] != '-'
|| rString[19] != '-' || rString[24] != '-')
return;
for (size_t x = 1; x <= 8; x++)
if (!std::isxdigit(rString[x]))
return;
for (size_t x = 10; x <= 13; x++)
if (!std::isxdigit(rString[x]))
return;
for (size_t x = 15; x <= 18; x++)
if (!std::isxdigit(rString[x]))
return;
for (size_t x = 20; x <= 23; x++)
if (!std::isxdigit(rString[x]))
return;
for (size_t x = 25; x <= 36; x++)
if (!std::isxdigit(rString[x]))
return;
maGuidArray[0] = o3tl::convertToHex<sal_uInt8>(rString[1], rString[2]);
maGuidArray[1] = o3tl::convertToHex<sal_uInt8>(rString[3], rString[4]);
maGuidArray[2] = o3tl::convertToHex<sal_uInt8>(rString[5], rString[6]);
maGuidArray[3] = o3tl::convertToHex<sal_uInt8>(rString[7], rString[8]);
maGuidArray[4] = o3tl::convertToHex<sal_uInt8>(rString[10], rString[11]);
maGuidArray[5] = o3tl::convertToHex<sal_uInt8>(rString[12], rString[13]);
maGuidArray[6] = o3tl::convertToHex<sal_uInt8>(rString[15], rString[16]);
maGuidArray[7] = o3tl::convertToHex<sal_uInt8>(rString[17], rString[18]);
maGuidArray[8] = o3tl::convertToHex<sal_uInt8>(rString[20], rString[21]);
maGuidArray[9] = o3tl::convertToHex<sal_uInt8>(rString[22], rString[23]);
maGuidArray[10] = o3tl::convertToHex<sal_uInt8>(rString[25], rString[26]);
maGuidArray[11] = o3tl::convertToHex<sal_uInt8>(rString[27], rString[28]);
maGuidArray[12] = o3tl::convertToHex<sal_uInt8>(rString[29], rString[30]);
maGuidArray[13] = o3tl::convertToHex<sal_uInt8>(rString[31], rString[32]);
maGuidArray[14] = o3tl::convertToHex<sal_uInt8>(rString[33], rString[34]);
maGuidArray[15] = o3tl::convertToHex<sal_uInt8>(rString[35], rString[36]);
}
public:
/// GenerateTag is used as a flag for generating the GUID
enum GenerateTag
{
Generate = 0
};
/// Constructor which generates the GUID
Guid(enum GenerateTag) { rtl_createUuid(maGuidArray.data(), nullptr, false); }
/// Default constructor which initializes the values to 0 (empty GUID)
Guid() { maGuidArray.fill(0); }
/// parse the GUID from the string
Guid(std::string_view rString)
{
maGuidArray.fill(0);
parse(rString);
}
/// set the GUID from an array
Guid(const sal_uInt8 aGuidArray[16])
{
std::copy(aGuidArray, aGuidArray + 16, maGuidArray.begin());
}
Guid(Guid&&) = delete;
Guid(Guid const& rOther) { *this = rOther; }
void operator=(Guid const& rOther) { std::copy(rOther.cbegin(), rOther.cend(), begin()); }
bool isEmpty() { return *std::max_element(maGuidArray.begin(), maGuidArray.end()) == 0; }
GuidArrayType::iterator begin() { return maGuidArray.begin(); }
GuidArrayType::iterator end() { return maGuidArray.end(); }
GuidArrayType::const_iterator cbegin() const { return maGuidArray.cbegin(); }
GuidArrayType::const_iterator cend() const { return maGuidArray.cend(); }
OString getString() const
{
char sBuffer[40];
snprintf(sBuffer, sizeof(sBuffer),
"{%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
maGuidArray[0], maGuidArray[1], maGuidArray[2], maGuidArray[3], maGuidArray[4],
maGuidArray[5], maGuidArray[6], maGuidArray[7], maGuidArray[8], maGuidArray[9],
maGuidArray[10], maGuidArray[11], maGuidArray[12], maGuidArray[13],
maGuidArray[14], maGuidArray[15]);
return OString(sBuffer);
}
OUString getOUString() { return OStringToOUString(getString(), RTL_TEXTENCODING_ASCII_US); }
bool operator==(Guid const& rCompare) const
{
return rtl_compareUuid(maGuidArray.data(), rCompare.maGuidArray.data()) == 0;
}
bool operator!=(Guid const& rCompare) const { return !(*this == rCompare); }
};
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& rStream,
tools::Guid const& rGuid)
{
OString aString = rGuid.getString();
rStream << "GUID" << aString.getStr();
return rStream;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
