diff options
| -rw-r--r-- | Source/cmStringAlgorithms.cxx | 79 | ||||
| -rw-r--r-- | Source/cmStringAlgorithms.h | 45 |
2 files changed, 124 insertions, 0 deletions
diff --git a/Source/cmStringAlgorithms.cxx b/Source/cmStringAlgorithms.cxx index 9f067e2..c686aa0 100644 --- a/Source/cmStringAlgorithms.cxx +++ b/Source/cmStringAlgorithms.cxx @@ -212,6 +212,85 @@ std::string cmCatViews(std::initializer_list<cm::string_view> views) return result; } +bool cmIsInternallyOn(cm::string_view val) +{ + return (val.size() == 4) && // + (val[0] == 'I' || val[0] == 'i') && // + (val[1] == '_') && // + (val[2] == 'O' || val[2] == 'o') && // + (val[3] == 'N' || val[3] == 'n'); +} + +bool cmIsNOTFOUND(cm::string_view val) +{ + return (val == "NOTFOUND") || cmHasLiteralSuffix(val, "-NOTFOUND"); +} + +bool cmIsOn(cm::string_view val) +{ + switch (val.size()) { + case 1: + return val[0] == '1' || val[0] == 'Y' || val[0] == 'y'; + case 2: + return // + (val[0] == 'O' || val[0] == 'o') && // + (val[1] == 'N' || val[1] == 'n'); + case 3: + return // + (val[0] == 'Y' || val[0] == 'y') && // + (val[1] == 'E' || val[1] == 'e') && // + (val[2] == 'S' || val[2] == 's'); + case 4: + return // + (val[0] == 'T' || val[0] == 't') && // + (val[1] == 'R' || val[1] == 'r') && // + (val[2] == 'U' || val[2] == 'u') && // + (val[3] == 'E' || val[3] == 'e'); + default: + break; + } + + return false; +} + +bool cmIsOff(cm::string_view val) +{ + switch (val.size()) { + case 0: + return true; + case 1: + return val[0] == '0' || val[0] == 'N' || val[0] == 'n'; + case 2: + return // + (val[0] == 'N' || val[0] == 'n') && // + (val[1] == 'O' || val[1] == 'o'); + case 3: + return // + (val[0] == 'O' || val[0] == 'o') && // + (val[1] == 'F' || val[1] == 'f') && // + (val[2] == 'F' || val[2] == 'f'); + case 5: + return // + (val[0] == 'F' || val[0] == 'f') && // + (val[1] == 'A' || val[1] == 'a') && // + (val[2] == 'L' || val[2] == 'l') && // + (val[3] == 'S' || val[3] == 's') && // + (val[4] == 'E' || val[4] == 'e'); + case 6: + return // + (val[0] == 'I' || val[0] == 'i') && // + (val[1] == 'G' || val[1] == 'g') && // + (val[2] == 'N' || val[2] == 'n') && // + (val[3] == 'O' || val[3] == 'o') && // + (val[4] == 'R' || val[4] == 'r') && // + (val[5] == 'E' || val[5] == 'e'); + default: + break; + } + + return cmIsNOTFOUND(val); +} + bool cmStrToLong(const char* str, long* value) { errno = 0; diff --git a/Source/cmStringAlgorithms.h b/Source/cmStringAlgorithms.h index 223d712..5b8b878 100644 --- a/Source/cmStringAlgorithms.h +++ b/Source/cmStringAlgorithms.h @@ -180,6 +180,51 @@ std::string cmWrap(char prefix, Range const& rng, char suffix, sep); } +/** + * Does a string indicates that CMake/CPack/CTest internally + * forced this value. This is not the same as On, but this + * may be considered as "internally switched on". + */ +bool cmIsInternallyOn(cm::string_view val); +inline bool cmIsInternallyOn(const char* val) +{ + if (!val) { + return false; + } + return cmIsInternallyOn(cm::string_view(val)); +} + +/** Return true if value is NOTFOUND or ends in -NOTFOUND. */ +bool cmIsNOTFOUND(cm::string_view val); + +/** + * Does a string indicate a true or ON value? This is not the same as ifdef. + */ +bool cmIsOn(cm::string_view val); +inline bool cmIsOn(const char* val) +{ + if (!val) { + return false; + } + return cmIsOn(cm::string_view(val)); +} + +/** + * Does a string indicate a false or off value ? Note that this is + * not the same as !IsOn(...) because there are a number of + * ambiguous values such as "/usr/local/bin" a path will result in + * IsON and IsOff both returning false. Note that the special path + * NOTFOUND, *-NOTFOUND or IGNORE will cause IsOff to return true. + */ +bool cmIsOff(cm::string_view val); +inline bool cmIsOff(const char* val) +{ + if (!val) { + return true; + } + return cmIsOff(cm::string_view(val)); +} + /** Returns true if string @a str starts with the character @a prefix. */ inline bool cmHasPrefix(cm::string_view str, char prefix) { |