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Util.h
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1 //
2 // Copyright Contributors to the MaterialX Project
3 // SPDX-License-Identifier: Apache-2.0
4 //
5 
6 #ifndef MATERIALX_UTIL
7 #define MATERIALX_UTIL
8 
9 /// @file
10 /// Utility methods
11 
12 #include <MaterialXCore/Export.h>
13 
15 
16 extern MX_CORE_API const string EMPTY_STRING;
17 
18 /// Return the version of the MaterialX library as a string.
20 
21 /// Return the major, minor, and build versions of the MaterialX library
22 /// as an integer tuple.
23 MX_CORE_API std::tuple<int, int, int> getVersionIntegers();
24 
25 /// Create a valid MaterialX name from the given string.
26 MX_CORE_API string createValidName(string name, char replaceChar = '_');
27 
28 /// Return true if the given string is a valid MaterialX name.
29 MX_CORE_API bool isValidName(const string& name);
30 
31 /// Increment the numeric suffix of a name
32 MX_CORE_API string incrementName(const string& name);
33 
34 /// Split a string into a vector of substrings using the given set of
35 /// separator characters.
36 MX_CORE_API StringVec splitString(const string& str, const string& sep);
37 
38 /// Join a vector of substrings into a single string, placing the given
39 /// separator between each substring.
40 MX_CORE_API string joinStrings(const StringVec& strVec, const string& sep);
41 
42 /// Apply the given substring substitutions to the input string.
43 MX_CORE_API string replaceSubstrings(string str, const StringMap& stringMap);
44 
45 /// Return a copy of the given string with letters converted to lower case.
46 MX_CORE_API string stringToLower(string str);
47 
48 /// Return true if the given string starts with the given prefix.
49 MX_CORE_API bool stringStartsWith(const string& str, const string& prefix);
50 
51 /// Return true if the given string ends with the given suffix.
52 MX_CORE_API bool stringEndsWith(const string& str, const string& suffix);
53 
54 /// Trim leading and trailing spaces from a string.
55 MX_CORE_API string trimSpaces(const string& str);
56 
57 /// Combine the hash of a value with an existing seed.
58 template <typename T> void hashCombine(size_t& seed, const T& value)
59 {
60  seed ^= std::hash<T>()(value) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
61 }
62 
63 /// Split a name path into string vector
64 MX_CORE_API StringVec splitNamePath(const string& namePath);
65 
66 /// Create a name path from a string vector
67 MX_CORE_API string createNamePath(const StringVec& nameVec);
68 
69 /// Given a name path, return the parent name path
70 MX_CORE_API string parentNamePath(const string& namePath);
71 
73 
74 #endif
#define MATERIALX_NAMESPACE_BEGIN
Definition: Generated.h:25
vector< string > StringVec
A vector of strings.
Definition: Library.h:57
MX_CORE_API string getVersionString()
Return the version of the MaterialX library as a string.
MATERIALX_NAMESPACE_BEGIN MX_CORE_API const string EMPTY_STRING
MX_CORE_API std::tuple< int, int, int > getVersionIntegers()
#define MX_CORE_API
Definition: Export.h:18
MX_CORE_API bool stringStartsWith(const string &str, const string &prefix)
Return true if the given string starts with the given prefix.
MX_CORE_API string stringToLower(string str)
Return a copy of the given string with letters converted to lower case.
MX_CORE_API string incrementName(const string &name)
Increment the numeric suffix of a name.
MX_CORE_API StringVec splitNamePath(const string &namePath)
Split a name path into string vector.
MX_CORE_API string replaceSubstrings(string str, const StringMap &stringMap)
Apply the given substring substitutions to the input string.
void hashCombine(size_t &seed, const T &value)
Combine the hash of a value with an existing seed.
Definition: Util.h:58
GLuint const GLchar * name
Definition: glcorearb.h:786
MX_CORE_API string createNamePath(const StringVec &nameVec)
Create a name path from a string vector.
MX_CORE_API bool isValidName(const string &name)
Return true if the given string is a valid MaterialX name.
MX_CORE_API string createValidName(string name, char replaceChar= '_')
Create a valid MaterialX name from the given string.
std::unordered_map< string, string > StringMap
An unordered map with strings as both keys and values.
Definition: Library.h:59
MX_CORE_API string trimSpaces(const string &str)
Trim leading and trailing spaces from a string.
MX_CORE_API string joinStrings(const StringVec &strVec, const string &sep)
Definition: core.h:1131
#define MATERIALX_NAMESPACE_END
Definition: Generated.h:26
MX_CORE_API string parentNamePath(const string &namePath)
Given a name path, return the parent name path.
MX_CORE_API StringVec splitString(const string &str, const string &sep)
MX_CORE_API bool stringEndsWith(const string &str, const string &suffix)
Return true if the given string ends with the given suffix.