Issue #1971 - Part 2: Update ICU source to 63.2.

2026-09-20 23:37:33 +09:00 · 2022-07-24 21:03:27 +08:00 · 2022-07-24 21:03:27 +08:00 · 1e69214382
commit 1e69214382
parent 8df84683be
3160 changed files with 275815 additions and 234203 deletions
--- a/intl/icu/source/i18n/number_stringbuilder.h
+++ b/intl/icu/source/i18n/number_stringbuilder.h
@ -0,0 +1,152 @@
+// © 2017 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+#ifndef __NUMBER_STRINGBUILDER_H__
+#define __NUMBER_STRINGBUILDER_H__
+
+
+#include <cstdint>
+#include "unicode/numfmt.h"
+#include "unicode/ustring.h"
+#include "cstring.h"
+#include "uassert.h"
+#include "number_types.h"
+#include "fphdlimp.h"
+
+U_NAMESPACE_BEGIN namespace number {
+namespace impl {
+
+class U_I18N_API NumberStringBuilder : public UMemory {
+  private:
+    static const int32_t DEFAULT_CAPACITY = 40;
+
+    template<typename T>
+    union ValueOrHeapArray {
+        T value[DEFAULT_CAPACITY];
+        struct {
+            T *ptr;
+            int32_t capacity;
+        } heap;
+    };
+
+  public:
+    NumberStringBuilder();
+
+    ~NumberStringBuilder();
+
+    NumberStringBuilder(const NumberStringBuilder &other);
+
+    NumberStringBuilder &operator=(const NumberStringBuilder &other);
+
+    int32_t length() const;
+
+    int32_t codePointCount() const;
+
+    inline char16_t charAt(int32_t index) const {
+        U_ASSERT(index >= 0);
+        U_ASSERT(index < fLength);
+        return getCharPtr()[fZero + index];
+    }
+
+    inline Field fieldAt(int32_t index) const {
+        U_ASSERT(index >= 0);
+        U_ASSERT(index < fLength);
+        return getFieldPtr()[fZero + index];
+    }
+
+    UChar32 getFirstCodePoint() const;
+
+    UChar32 getLastCodePoint() const;
+
+    UChar32 codePointAt(int32_t index) const;
+
+    UChar32 codePointBefore(int32_t index) const;
+
+    NumberStringBuilder &clear();
+
+    int32_t appendCodePoint(UChar32 codePoint, Field field, UErrorCode &status);
+
+    int32_t insertCodePoint(int32_t index, UChar32 codePoint, Field field, UErrorCode &status);
+
+    int32_t append(const UnicodeString &unistr, Field field, UErrorCode &status);
+
+    int32_t insert(int32_t index, const UnicodeString &unistr, Field field, UErrorCode &status);
+
+    int32_t insert(int32_t index, const UnicodeString &unistr, int32_t start, int32_t end, Field field,
+                   UErrorCode &status);
+
+    int32_t splice(int32_t startThis, int32_t endThis,  const UnicodeString &unistr,
+                   int32_t startOther, int32_t endOther, Field field, UErrorCode& status);
+
+    int32_t append(const NumberStringBuilder &other, UErrorCode &status);
+
+    int32_t insert(int32_t index, const NumberStringBuilder &other, UErrorCode &status);
+
+    /**
+     * Gets a "safe" UnicodeString that can be used even after the NumberStringBuilder is destructed.
+     * */
+    UnicodeString toUnicodeString() const;
+
+    /**
+     * Gets an "unsafe" UnicodeString that is valid only as long as the NumberStringBuilder is alive and
+     * unchanged. Slightly faster than toUnicodeString().
+     */
+    const UnicodeString toTempUnicodeString() const;
+
+    UnicodeString toDebugString() const;
+
+    const char16_t *chars() const;
+
+    bool contentEquals(const NumberStringBuilder &other) const;
+
+    bool nextFieldPosition(FieldPosition& fp, UErrorCode& status) const;
+
+    void getAllFieldPositions(FieldPositionIteratorHandler& fpih, UErrorCode& status) const;
+
+    bool containsField(Field field) const;
+
+  private:
+    bool fUsingHeap = false;
+    ValueOrHeapArray<char16_t> fChars;
+    ValueOrHeapArray<Field> fFields;
+    int32_t fZero = DEFAULT_CAPACITY / 2;
+    int32_t fLength = 0;
+
+    inline char16_t *getCharPtr() {
+        return fUsingHeap ? fChars.heap.ptr : fChars.value;
+    }
+
+    inline const char16_t *getCharPtr() const {
+        return fUsingHeap ? fChars.heap.ptr : fChars.value;
+    }
+
+    inline Field *getFieldPtr() {
+        return fUsingHeap ? fFields.heap.ptr : fFields.value;
+    }
+
+    inline const Field *getFieldPtr() const {
+        return fUsingHeap ? fFields.heap.ptr : fFields.value;
+    }
+
+    inline int32_t getCapacity() const {
+        return fUsingHeap ? fChars.heap.capacity : DEFAULT_CAPACITY;
+    }
+
+    int32_t prepareForInsert(int32_t index, int32_t count, UErrorCode &status);
+
+    int32_t prepareForInsertHelper(int32_t index, int32_t count, UErrorCode &status);
+
+    int32_t remove(int32_t index, int32_t count);
+};
+
+} // namespace impl
+} // namespace number
+U_NAMESPACE_END
+
+
+#endif //__NUMBER_STRINGBUILDER_H__
+
+#endif /* #if !UCONFIG_NO_FORMATTING */