bool getAsInteger(unsigned Radix, APInt &Result) const;
/// @}
+ /// @name String Operations
+ /// @{
+
+ // lower - Convert the given ASCII string to lowercase.
+ std::string lower() const;
+
+ /// upper - Convert the given ASCII string to uppercase.
+ std::string upper() const;
+
+ /// @}
/// @name Substring Operations
/// @{
return x;
}
+static char ascii_toupper(char x) {
+ if (x >= 'a' && x <= 'z')
+ return x - 'a' + 'A';
+ return x;
+}
+
static bool ascii_isdigit(char x) {
return x >= '0' && x <= '9';
}
}
//===----------------------------------------------------------------------===//
+// String Operations
+//===----------------------------------------------------------------------===//
+
+std::string StringRef::lower() const {
+ std::string Result(size(), char());
+ for (size_type i = 0, e = size(); i != e; ++i) {
+ Result[i] = ascii_tolower(Data[i]);
+ }
+ return Result;
+}
+
+std::string StringRef::upper() const {
+ std::string Result(size(), char());
+ for (size_type i = 0, e = size(); i != e; ++i) {
+ Result[i] = ascii_tolower(Data[i]);
+ }
+ return Result;
+}
+
+//===----------------------------------------------------------------------===//
// String Searching
//===----------------------------------------------------------------------===//