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System/Libraries/String: Add String.Trim()

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This commit is contained in:
Alec Murphy 2025-03-03 10:35:29 -05:00
parent 8eddf1fdc7
commit 691504f48f
1 changed files with 36 additions and 0 deletions
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36
System/Libraries/String.HC
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@ -1,3 +1,7 @@
#define TRIM_BOTH 0
#define TRIM_LEFT 1
#define TRIM_RIGHT 2
U0 @string_append(U8* dst, U8* fmt, ...) U0 @string_append(U8* dst, U8* fmt, ...)
{ {
U8* buf; U8* buf;
@ -113,6 +117,36 @@ U8** @string_split(U8* s, U8 ch = '\n', I64* cnt)
return arr; return arr;
} }
Bool @string_trim_ch(U8 s_ch, U8 trim_ch)
{
if (!s_ch) {
return FALSE;
}
if (!trim_ch) {
return (s_ch == ' ' || s_ch == '\r' || s_ch == '\n' || s_ch == '\t');
} else {
return (s_ch == trim_ch);
}
}
U0 @string_trim(U8* s, U8 ch = NULL, I64 mode = TRIM_BOTH)
{
Bool trim_ch = @string_trim_ch(*s, ch);
if (TRIM_BOTH || TRIM_LEFT) {
while (trim_ch) {
StrCpy(s, s + 1);
trim_ch = @string_trim_ch(*s, ch);
}
}
trim_ch = @string_trim_ch(s[StrLen(s) - 1], ch);
if (TRIM_BOTH || TRIM_RIGHT) {
while (trim_ch) {
s[StrLen(s) - 1] = NULL;
trim_ch = @string_trim_ch(s[StrLen(s) - 1], ch);
}
}
}
class @string class @string
{ {
U0(*Append) U0(*Append)
@ -122,6 +156,7 @@ class @string
Bool (*IsNumber)(U8* s); Bool (*IsNumber)(U8* s);
U8* (*Replace)(U8* s, U8* oldW, U8* newW); U8* (*Replace)(U8* s, U8* oldW, U8* newW);
U8** (*Split)(U8* s, U8 ch = '\n', I64 * cnt); U8** (*Split)(U8* s, U8 ch = '\n', I64 * cnt);
U0 (*Trim)(U8* s, U8 ch = NULL, I64 mode = TRIM_BOTH);
}; };
@string String; @string String;
@ -131,3 +166,4 @@ String.EndsWith = &@string_ends_with;
String.IsNumber = &@string_is_number; String.IsNumber = &@string_is_number;
String.Replace = &@string_replace; String.Replace = &@string_replace;
String.Split = &@string_split; String.Split = &@string_split;
String.Trim = &@string_trim;