IOSS 2.0

Ioss_VariableType.h
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32
33 #ifndef IOSS_Ioss_VariableType_h
34 #define IOSS_Ioss_VariableType_h
35
36 #include <Ioss_CodeTypes.h>
37 #include <cstring> // for strncmp, strncpy
38 #include <functional> // for less
39 #include <map> // for map, map<>::value_compare
40 #include <string> // for string, operator<
41 #include <vector> // for vector
42
43 namespace Ioss {
44 class VariableType;
45 } // namespace Ioss
46
47 namespace Ioss {
48 using VariableTypeMap = std::map<std::string, VariableType *, std::less<std::string>>;
49 using VTM_ValuePair = VariableTypeMap::value_type;
50
51 class Registry
52 {
53 public:
54 void insert(const Ioss::VTM_ValuePair &value, bool delete_me);
55 VariableTypeMap::iterator begin() { return m_registry.begin(); }
56 VariableTypeMap::iterator end() { return m_registry.end(); }
57 VariableTypeMap::iterator find(const std::string &type) { return m_registry.find(type); }
58
59 ~Registry();
60 std::map<std::string, std::string> customFieldTypes;
61
62 private:
63 Ioss::VariableTypeMap m_registry;
64 std::vector<Ioss::VariableType *> m_deleteThese;
65 };
66
67 #define MAX_SUFFIX 8
68 struct Suffix
69 {
70 explicit Suffix(const char new_data[MAX_SUFFIX])
71 {
72 std::strncpy(m_data, new_data, MAX_SUFFIX);
73 m_data[MAX_SUFFIX] = '\0';
74 }
75 explicit Suffix(const std::string &new_data)
76 {
77 std::strncpy(m_data, new_data.c_str(), MAX_SUFFIX);
78 m_data[MAX_SUFFIX] = '\0';
79 }
80 bool operator==(const std::string &str) const
81 {
82 return std::strncmp(m_data, str.c_str(), MAX_SUFFIX) == 0;
83 }
84 bool operator!=(const std::string &str) const
85 {
86 return std::strncmp(m_data, str.c_str(), MAX_SUFFIX) != 0;
87 }
88 char m_data[MAX_SUFFIX + 1]{};
89 };
90
91 /** \brief A generic variable type
92 */
93 class VariableType
94 {
95 public:
96 static void alias(const std::string &base, const std::string &syn);
97 static int describe(NameList *names);
98 static bool create_named_suffix_field_type(const std::string & type_name,
99 const std::vector<std::string> &suffices);
100 static bool get_field_type_mapping(const std::string &field, std::string *type);
101 static bool add_field_type_mapping(const std::string &raw_field, const std::string &raw_type);
102
103 virtual ~VariableType();
104 int component_count() const;
105
106 // Override this function if the derived class has no suffices
107 // For example, a 'vector_2d' has suffices "x" and "y"
108 // A 'quad4' has no suffices...
109 virtual int suffix_count() const;
110 std::string name() const;
111
112 static std::string numeric_label(int which, int ncomp, const std::string &name);
113 virtual std::string label(int which, char suffix_sep = '_') const = 0;
114 virtual std::string label_name(const std::string &base, int which, char suffix_sep = '_') const;
115 virtual bool match(const std::vector<Suffix> &suffices) const;
116
117 static const VariableType *factory(const std::string &raw_name, int copies = 1);
118 static const VariableType *factory(const std::vector<Suffix> &suffices);
119
120 protected:
121 VariableType(const std::string &type, int comp_count, bool delete_me = false);
122 static Registry &registry();
123
124 private:
125 const std::string name_;
126 int componentCount;
127
128 VariableType(const VariableType &) = delete;
129 VariableType &operator=(const VariableType &) = delete;
130
131 static bool build_variable_type(const std::string &raw_type);
132 };
133 } // namespace Ioss
134 inline std::string Ioss::VariableType::name() const { return name_; }
135
136 inline int Ioss::VariableType::component_count() const { return componentCount; }
137
138 inline int Ioss::VariableType::suffix_count() const { return componentCount; }
139 #endif
Ioss::NameList
std::vector< std::string > NameList
Definition: Ioss_CodeTypes.h:44
Ioss_CodeTypes.h
Ioss::Registry
Definition: Ioss_VariableType.h:51
Ioss::Suffix::Suffix
Suffix(const std::string &new_data)
Definition: Ioss_VariableType.h:75
Ioss
The main namespace for the Ioss library.
Definition: Iocgns_DatabaseIO.h:50
Ioss::Registry::begin
VariableTypeMap::iterator begin()
Definition: Ioss_VariableType.h:55
Ioss::VariableType::suffix_count
virtual int suffix_count() const
Definition: Ioss_VariableType.h:138
Ioss::Registry::insert
void insert(const Ioss::VTM_ValuePair &value, bool delete_me)
Definition: Ioss_VariableType.C:50
Ioss::VariableType::componentCount
int componentCount
Definition: Ioss_VariableType.h:126
Ioss::VariableType::name
std::string name() const
Definition: Ioss_VariableType.h:134
Ioss::Registry::customFieldTypes
std::map< std::string, std::string > customFieldTypes
Definition: Ioss_VariableType.h:60
Ioss::Registry::end
VariableTypeMap::iterator end()
Definition: Ioss_VariableType.h:56
MAX_SUFFIX
#define MAX_SUFFIX
Definition: Ioss_VariableType.h:67
Ioss::Registry::m_registry
Ioss::VariableTypeMap m_registry
Definition: Ioss_VariableType.h:63
Ioss::VariableType
A generic variable type.
Definition: Ioss_VariableType.h:93
Ioss::Registry::~Registry
~Registry()
Definition: Ioss_VariableType.C:58
Ioss::Suffix::operator!=
bool operator!=(const std::string &str) const
Definition: Ioss_VariableType.h:84
Ioss::Suffix::Suffix
Suffix(const char new_data[MAX_SUFFIX])
Definition: Ioss_VariableType.h:70
Ioss::VariableType::component_count
int component_count() const
Definition: Ioss_VariableType.h:136
anonymous_namespace{Ioex_Utils.C}::match
size_t match(const char *name1, const char *name2)
Definition: Ioex_Utils.C:44
Ioss::Suffix
Definition: Ioss_VariableType.h:68
Ioss::VTM_ValuePair
VariableTypeMap::value_type VTM_ValuePair
Definition: Ioss_VariableType.h:49
Ioss::Registry::m_deleteThese
std::vector< Ioss::VariableType * > m_deleteThese
Definition: Ioss_VariableType.h:64
anonymous_namespace{io_info.C}::name
std::string name(Ioss::GroupingEntity *entity)
Definition: io_info.C:71
Ioss::VariableTypeMap
std::map< std::string, VariableType *, std::less< std::string > > VariableTypeMap
Definition: Ioss_VariableType.h:48
Ioss::Suffix::operator==
bool operator==(const std::string &str) const
Definition: Ioss_VariableType.h:80
Ioss::Registry::find
VariableTypeMap::iterator find(const std::string &type)
Definition: Ioss_VariableType.h:57
Ioss::VariableType::name_
const std::string name_
Definition: Ioss_VariableType.h:125