OpenVDB: openvdb/util/Name.h Source File

OpenVDB 12.1.1

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Name.h
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1// Copyright Contributors to the OpenVDB Project
2// SPDX-License-Identifier: Apache-2.0
3
4#ifndef OPENVDB_UTIL_NAME_HAS_BEEN_INCLUDED
5#define OPENVDB_UTIL_NAME_HAS_BEEN_INCLUDED
6
7#include <openvdb/Platform.h>
8#include <openvdb/version.h>
9#include <string>
10#include <iostream>
11#include <vector>
12#include <set>
13#include <algorithm>
14
15namespace openvdb {
16 OPENVDB_USE_VERSION_NAMESPACE
17namespace OPENVDB_VERSION_NAME {
18
19 typedef std::string Name;
20
21inline Name
22readString(std::istream& is)
23{
24 uint32_t size;
25 is.read(reinterpret_cast<char*>(&size), sizeof(uint32_t));
26 std::string buffer(size, ' ');
27 if (size>0) is.read(&buffer[0], size);
28 return buffer;
29}
30
31
32inline void
33writeString(std::ostream& os, const Name& name)
34{
35 uint32_t size = uint32_t(name.size());
36 os.write(reinterpret_cast<char*>(&size), sizeof(uint32_t));
37 os.write(&name[0], size);
38}
39
40 namespace string {
41
42template <typename ContainerT>
43 inline void split(ContainerT& out, const std::string& in, const char delim)
44{
45 out.clear();
46 if (in.empty()) return;
47 std::string::size_type pos = 0u, old = 0u;
48 while ((pos = in.find(delim, pos)) != std::string::npos) {
49 out.insert(out.end(), in.substr(old, (pos-old)));
50 old = ++pos;
51 }
52 // last element
53 out.insert(out.end(), in.substr(old, in.length()-old));
54}
55
56template <typename ContainerT>
57 inline void split(ContainerT& out, const std::string& in, const std::set<char>& delims)
58{
59 out.clear();
60 if (in.empty()) return;
61 std::string::size_type pos = 0u, old = 0u;
62 const std::string seq(delims.begin(), delims.end());
63 while ((pos = in.find_first_of(seq, pos)) != std::string::npos) {
64 out.insert(out.end(), in.substr(old, (pos-old)));
65 old = ++pos;
66 }
67 // last element
68 out.insert(out.end(), in.substr(old, in.length()-old));
69}
70
71 inline bool starts_with(const std::string& in, const std::string& start)
72{
73 if (start.length() > in.length()) return false;
74 return std::equal(start.begin(), start.end(), in.begin());
75}
76
77 inline bool ends_with(const std::string& in, const std::string& end)
78{
79 if (end.length() > in.length()) return false;
80 return std::equal(end.rbegin(), end.rend(), in.rbegin());
81}
82
83 inline void trim(std::string& s)
84{
85 // ltrim
86 s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
87 return !std::isspace(ch);
88 }));
89
90 // rtrim
91 s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
92 return !std::isspace(ch);
93 }).base(), s.end());
94}
95
96 inline void to_lower(std::string& s)
97{
98 std::transform(s.begin(), s.end(), s.begin(),
99 [](auto c){ return std::tolower(c); });
100}
101
102} // util
103
104} // namespace OPENVDB_VERSION_NAME
105} // namespace openvdb
106
107#endif // OPENVDB_UTIL_NAME_HAS_BEEN_INCLUDED
Platform.h
openvdb::v12_1::string
Definition Name.h:40
openvdb::v12_1::string::to_lower
void to_lower(std::string &s)
Definition Name.h:96
openvdb::v12_1::string::starts_with
bool starts_with(const std::string &in, const std::string &start)
Definition Name.h:71
openvdb::v12_1::string::split
void split(ContainerT &out, const std::string &in, const char delim)
Definition Name.h:43
openvdb::v12_1::string::trim
void trim(std::string &s)
Definition Name.h:83
openvdb::v12_1::string::ends_with
bool ends_with(const std::string &in, const std::string &end)
Definition Name.h:77
openvdb::v12_1::Name
std::string Name
Definition Name.h:19
openvdb::v12_1::readString
Name readString(std::istream &is)
Definition Name.h:22
openvdb::v12_1::writeString
void writeString(std::ostream &os, const Name &name)
Definition Name.h:33
openvdb
Definition Exceptions.h:13
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition version.h.in:121
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition version.h.in:218