From 35ba6a2f719327e2ee3f31d5baa04f0ec5a0a09e Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Tue, 30 Sep 2025 00:16:13 +0800
Subject: Impl input method for xim.

---
 include/cru/base/Bitmask.h                 |  4 +++-
 include/cru/base/StringToNumberConverter.h | 10 +++++-----
 2 files changed, 8 insertions(+), 6 deletions(-)

(limited to 'include/cru/base')

diff --git a/include/cru/base/Bitmask.h b/include/cru/base/Bitmask.h
index 9b6b8957..7606f784 100644
--- a/include/cru/base/Bitmask.h
+++ b/include/cru/base/Bitmask.h
@@ -10,8 +10,10 @@ struct Bitmask final {
   constexpr Bitmask() : value(0) {}
   constexpr explicit Bitmask(TUnderlying value) : value(value) {}
 
+  // Start from 1.
   static constexpr Bitmask FromOffset(int offset) {
-    return Bitmask(static_cast<TUnderlying>(1u << offset));
+    if (offset == 0) return {};
+    return Bitmask(static_cast<TUnderlying>(1u << (offset - 1)));
   }
 
   constexpr bool Has(Bitmask rhs) const { return (value & rhs.value) != 0; }
diff --git a/include/cru/base/StringToNumberConverter.h b/include/cru/base/StringToNumberConverter.h
index 051f44d0..64c29971 100644
--- a/include/cru/base/StringToNumberConverter.h
+++ b/include/cru/base/StringToNumberConverter.h
@@ -14,15 +14,15 @@ using StringToNumberFlag = Bitmask<details::StringToNumberFlagTag>;
 
 struct StringToNumberFlags {
   constexpr static StringToNumberFlag kAllowLeadingSpaces =
-      StringToNumberFlag::FromOffset(0);
-  constexpr static StringToNumberFlag kAllowTrailingSpaces =
       StringToNumberFlag::FromOffset(1);
-  constexpr static StringToNumberFlag kAllowTrailingJunk =
+  constexpr static StringToNumberFlag kAllowTrailingSpaces =
       StringToNumberFlag::FromOffset(2);
-  constexpr static StringToNumberFlag kAllowLeadingZeroForInteger =
+  constexpr static StringToNumberFlag kAllowTrailingJunk =
       StringToNumberFlag::FromOffset(3);
-  constexpr static StringToNumberFlag kThrowOnError =
+  constexpr static StringToNumberFlag kAllowLeadingZeroForInteger =
       StringToNumberFlag::FromOffset(4);
+  constexpr static StringToNumberFlag kThrowOnError =
+      StringToNumberFlag::FromOffset(5);
 };
 
 template <typename TResult>
-- 
cgit v1.2.3