6 #include <cmext/string_view>
8 #include "cmStringAlgorithms.h"
10 std::string cmValue::Empty;
12 bool cmValue::IsOn(cm::string_view value) noexcept
14 switch (value.size()) {
16 return value[0] == '1' || value[0] == 'Y' || value[0] == 'y';
19 (value[0] == 'O' || value[0] == 'o') && //
20 (value[1] == 'N' || value[1] == 'n');
23 (value[0] == 'Y' || value[0] == 'y') && //
24 (value[1] == 'E' || value[1] == 'e') && //
25 (value[2] == 'S' || value[2] == 's');
28 (value[0] == 'T' || value[0] == 't') && //
29 (value[1] == 'R' || value[1] == 'r') && //
30 (value[2] == 'U' || value[2] == 'u') && //
31 (value[3] == 'E' || value[3] == 'e');
39 bool cmValue::IsOff(cm::string_view value) noexcept
41 switch (value.size()) {
45 return value[0] == '0' || value[0] == 'N' || value[0] == 'n';
48 (value[0] == 'N' || value[0] == 'n') && //
49 (value[1] == 'O' || value[1] == 'o');
52 (value[0] == 'O' || value[0] == 'o') && //
53 (value[1] == 'F' || value[1] == 'f') && //
54 (value[2] == 'F' || value[2] == 'f');
57 (value[0] == 'F' || value[0] == 'f') && //
58 (value[1] == 'A' || value[1] == 'a') && //
59 (value[2] == 'L' || value[2] == 'l') && //
60 (value[3] == 'S' || value[3] == 's') && //
61 (value[4] == 'E' || value[4] == 'e');
64 (value[0] == 'I' || value[0] == 'i') && //
65 (value[1] == 'G' || value[1] == 'g') && //
66 (value[2] == 'N' || value[2] == 'n') && //
67 (value[3] == 'O' || value[3] == 'o') && //
68 (value[4] == 'R' || value[4] == 'r') && //
69 (value[5] == 'E' || value[5] == 'e');
74 return IsNOTFOUND(value);
77 bool cmValue::IsNOTFOUND(cm::string_view value) noexcept
79 return (value == "NOTFOUND"_s) || cmHasSuffix(value, "-NOTFOUND"_s);
82 bool cmValue::IsInternallyOn(cm::string_view value) noexcept
84 return (value.size() == 4) && //
85 (value[0] == 'I' || value[0] == 'i') && //
86 (value[1] == '_') && //
87 (value[2] == 'O' || value[2] == 'o') && //
88 (value[3] == 'N' || value[3] == 'n');
91 int cmValue::Compare(cmValue value) const noexcept
93 if (this->Value == nullptr && !value) {
96 if (this->Value == nullptr) {
102 return this->Value->compare(*value);
105 int cmValue::Compare(cm::string_view value) const noexcept
107 if (this->Value == nullptr && value.data() == nullptr) {
110 if (this->Value == nullptr) {
113 if (value.data() == nullptr) {
116 return cm::string_view(*this->Value).compare(value);
119 std::ostream& operator<<(std::ostream& o, cmValue v)