forked from Mirrors/openclonk
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/**
|
|
String.c
|
|
Functions for string manipulation.
|
|
|
|
@author Maikel
|
|
*/
|
|
|
|
// Returns the reduced string with only the characters in the interval [begin, end) are taken. The value begin starts
|
|
// at zero and end can be at most the length of the string, which then includes the last character.
|
|
global func TakeString(string str, int begin, int end)
|
|
{
|
|
// Default values and safety.
|
|
begin = begin ?? 0;
|
|
begin = Max(begin, 0);
|
|
end = end ?? GetLength(str);
|
|
end = Min(end, GetLength(str));
|
|
// Construct the reduced string by looping over all chars.
|
|
var reduced_str = "";
|
|
for (var index = begin; index < end; index++)
|
|
reduced_str = Format("%s%c", reduced_str, GetChar(str, index));
|
|
return reduced_str;
|
|
}
|
|
|
|
// Converts a char into a string.
|
|
global func CharToString(int char)
|
|
{
|
|
return Format("%c", char);
|
|
}
|
|
|
|
// Returns whether a char is a digit [0-9].
|
|
global func CharIsDigit(int char)
|
|
{
|
|
return Inside(char, 48, 57);
|
|
}
|
|
|
|
// Returns whether a char is a letter [A-Za-z].
|
|
global func CharIsLetter(int char)
|
|
{
|
|
return CharIsLowerCase(char) || CharIsUpperCase(char);
|
|
}
|
|
|
|
// Returns whether a char is a lower-case letter [a-z].
|
|
global func CharIsLowerCase(int char)
|
|
{
|
|
return Inside(char, 97, 122);
|
|
}
|
|
|
|
// Returns whether a char is an upper-case letter [A-Z].
|
|
global func CharIsUpperCase(int char)
|
|
{
|
|
return Inside(char, 65, 90);
|
|
} |