css: add case-insensitive matching

Also case-sensitive, but for now that is the same as normal matching...

1 files changed, 14 insertions, 0 deletions

diff --git a/src/utils/twtstr.nim b/src/utils/twtstr.nim
index 28a91558..13a432bf 100644
--- a/src/utils/twtstr.nim
+++ b/src/utils/twtstr.nim
@@ -177,6 +177,20 @@ func toHexLower*(u: uint16): string =
 func equalsIgnoreCase*(s1, s2: string): bool {.inline.} =
   return s1.cmpIgnoreCase(s2) == 0
 
+func startsWithIgnoreCase*(s1, s2: string): bool =
+  if s1.len < s2.len: return false
+  for i in 0 ..< s2.len:
+    if s1[i].toLowerAscii() != s2[i].toLowerAscii():
+      return false
+  return true
+
+func endsWithIgnoreCase*(s1, s2: string): bool =
+  if s1.len < s2.len: return false
+  for i in countdown(s2.high, 0):
+    if s1[i].toLowerAscii() != s2[i].toLowerAscii():
+      return false
+  return true
+
 func isDigitAscii*(r: Rune): bool =
   return int(r) < 256 and isDigit(char(r))