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e5cd39ca80
To handle safely the values used by CMake variables and properties, introduce the class cmProp as a replacement from the simple pointer to std::string instance.
114 lines
3.0 KiB
C++
114 lines
3.0 KiB
C++
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#include "cmProperty.h"
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#include <string>
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#include <cmext/string_view>
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#include "cmStringAlgorithms.h"
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std::string cmProp::Empty;
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bool cmProp::IsOn(cm::string_view value) noexcept
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{
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switch (value.size()) {
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case 1:
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return value[0] == '1' || value[0] == 'Y' || value[0] == 'y';
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case 2:
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return //
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(value[0] == 'O' || value[0] == 'o') && //
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(value[1] == 'N' || value[1] == 'n');
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case 3:
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return //
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(value[0] == 'Y' || value[0] == 'y') && //
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(value[1] == 'E' || value[1] == 'e') && //
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(value[2] == 'S' || value[2] == 's');
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case 4:
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return //
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(value[0] == 'T' || value[0] == 't') && //
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(value[1] == 'R' || value[1] == 'r') && //
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(value[2] == 'U' || value[2] == 'u') && //
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(value[3] == 'E' || value[3] == 'e');
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default:
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break;
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}
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return false;
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}
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bool cmProp::IsOff(cm::string_view value) noexcept
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{
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switch (value.size()) {
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case 0:
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return true;
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case 1:
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return value[0] == '0' || value[0] == 'N' || value[0] == 'n';
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case 2:
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return //
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(value[0] == 'N' || value[0] == 'n') && //
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(value[1] == 'O' || value[1] == 'o');
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case 3:
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return //
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(value[0] == 'O' || value[0] == 'o') && //
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(value[1] == 'F' || value[1] == 'f') && //
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(value[2] == 'F' || value[2] == 'f');
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case 5:
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return //
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(value[0] == 'F' || value[0] == 'f') && //
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(value[1] == 'A' || value[1] == 'a') && //
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(value[2] == 'L' || value[2] == 'l') && //
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(value[3] == 'S' || value[3] == 's') && //
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(value[4] == 'E' || value[4] == 'e');
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case 6:
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return //
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(value[0] == 'I' || value[0] == 'i') && //
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(value[1] == 'G' || value[1] == 'g') && //
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(value[2] == 'N' || value[2] == 'n') && //
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(value[3] == 'O' || value[3] == 'o') && //
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(value[4] == 'R' || value[4] == 'r') && //
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(value[5] == 'E' || value[5] == 'e');
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default:
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break;
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}
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return IsNOTFOUND(value);
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}
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bool cmProp::IsNOTFOUND(cm::string_view value) noexcept
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{
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return (value == "NOTFOUND"_s) || cmHasSuffix(value, "-NOTFOUND"_s);
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}
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int cmProp::Compare(cmProp value) const noexcept
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{
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if (this->Value == nullptr && !value) {
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return 0;
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}
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if (this->Value == nullptr) {
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return -1;
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}
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if (!value) {
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return 1;
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}
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return this->Value->compare(*value);
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}
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int cmProp::Compare(cm::string_view value) const noexcept
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{
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if (this->Value == nullptr && value.data() == nullptr) {
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return 0;
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}
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if (this->Value == nullptr) {
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return -1;
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}
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if (value.data() == nullptr) {
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return 1;
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}
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return cm::string_view(*this->Value).compare(value);
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}
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std::ostream& operator<<(std::ostream& o, cmProp v)
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{
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o << *v;
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return o;
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}
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