Index: tools/servicec/lib/src/resources/cc/unicode.h |
diff --git a/tools/servicec/lib/src/resources/cc/unicode.h b/tools/servicec/lib/src/resources/cc/unicode.h |
deleted file mode 100644 |
index ee3c7286222a6de7e16ee102e1782c2655da5742..0000000000000000000000000000000000000000 |
--- a/tools/servicec/lib/src/resources/cc/unicode.h |
+++ /dev/null |
@@ -1,143 +0,0 @@ |
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-#ifndef UNICODE_H_ |
-#define UNICODE_H_ |
- |
-#include "struct.h" |
- |
-class Utf { |
- public: |
- static const int32_t kMaxCodePoint = 0x10FFFF; |
- |
- static bool IsLatin1(int32_t code_point) { |
- return (code_point >= 0) && (code_point <= 0xFF); |
- } |
- |
- static bool IsBmp(int32_t code_point) { |
- return (code_point >= 0) && (code_point <= 0xFFFF); |
- } |
- |
- static bool IsSupplementary(int32_t code_point) { |
- return (code_point > 0xFFFF) && (code_point <= kMaxCodePoint); |
- } |
- |
- // Returns true if the code point value is above Plane 17. |
- static bool IsOutOfRange(intptr_t code_point) { |
- return (code_point < 0) || (code_point > kMaxCodePoint); |
- } |
-}; |
- |
-class Utf8 { |
- public: |
- enum Type { |
- kLatin1 = 0, // Latin-1 code point [U+0000, U+00FF]. |
- kBMP, // Basic Multilingual Plane code point [U+0000, U+FFFF]. |
- kSupplementary, // Supplementary code point [U+010000, U+10FFFF]. |
- }; |
- |
- // Returns the most restricted coding form in which the sequence of utf8 |
- // characters in 'utf8_array' can be represented in, and the number of |
- // code units needed in that form. |
- static intptr_t CodeUnitCount(const char* utf8_array, |
- intptr_t array_len, |
- Type* type); |
- |
- static intptr_t Length(int32_t ch); |
- static intptr_t Length(List<uint16_t> str); |
- |
- static intptr_t Encode(int32_t ch, char* dst); |
- static intptr_t Encode(List<uint16_t> str, char* dst, intptr_t len); |
- |
- static intptr_t Decode(const char* utf8_array, |
- intptr_t array_len, |
- int32_t* ch); |
- static bool DecodeToUTF16(const char* utf8_array, |
- intptr_t array_len, |
- uint16_t* dst, |
- intptr_t len); |
- |
- static const int32_t kMaxOneByteChar = 0x7F; |
- static const int32_t kMaxTwoByteChar = 0x7FF; |
- static const int32_t kMaxThreeByteChar = 0xFFFF; |
- static const int32_t kMaxFourByteChar = Utf::kMaxCodePoint; |
- |
- private: |
- static bool IsTrailByte(uint8_t code_unit) { |
- return (code_unit & 0xC0) == 0x80; |
- } |
- |
- static bool IsNonShortestForm(uint32_t code_point, size_t num_code_units) { |
- return code_point < kOverlongMinimum[num_code_units]; |
- } |
- |
- static bool IsLatin1SequenceStart(uint8_t code_unit) { |
- // Check if utf8 sequence is the start of a codepoint <= U+00FF |
- return (code_unit <= 0xC3); |
- } |
- |
- static bool IsSupplementarySequenceStart(uint8_t code_unit) { |
- // Check if utf8 sequence is the start of a codepoint >= U+10000. |
- return (code_unit >= 0xF0); |
- } |
- |
- static const int8_t kTrailBytes[]; |
- static const uint32_t kMagicBits[]; |
- static const uint32_t kOverlongMinimum[]; |
-}; |
- |
-class Utf16 { |
- public: |
- // Returns the length of the code point in UTF-16 code units. |
- static intptr_t Length(int32_t ch) { |
- return (ch <= Utf16::kMaxCodeUnit) ? 1 : 2; |
- } |
- |
- // Returns true if ch is a lead or trail surrogate. |
- static bool IsSurrogate(int32_t ch) { |
- return (ch & 0xFFFFF800) == 0xD800; |
- } |
- |
- // Returns true if ch is a lead surrogate. |
- static bool IsLeadSurrogate(int32_t ch) { |
- return (ch & 0xFFFFFC00) == 0xD800; |
- } |
- |
- // Returns true if ch is a low surrogate. |
- static bool IsTrailSurrogate(int32_t ch) { |
- return (ch & 0xFFFFFC00) == 0xDC00; |
- } |
- |
- // Returns the character at i and advances i to the next character |
- // boundary. |
- static int32_t Next(const uint16_t* characters, intptr_t* i, intptr_t len) { |
- int32_t ch = characters[*i]; |
- if (Utf16::IsLeadSurrogate(ch) && (*i < (len - 1))) { |
- int32_t ch2 = characters[*i + 1]; |
- if (Utf16::IsTrailSurrogate(ch2)) { |
- ch = Utf16::Decode(ch, ch2); |
- *i += 1; |
- } |
- } |
- *i += 1; |
- return ch; |
- } |
- |
- // Decodes a surrogate pair into a supplementary code point. |
- static int32_t Decode(int32_t lead, int32_t trail) { |
- return 0x10000 + ((lead & 0x3FF) << 10) + (trail & 0x3FF); |
- } |
- |
- // Encodes a single code point. |
- static void Encode(int32_t codepoint, uint16_t* dst); |
- |
- static const int32_t kMaxCodeUnit = 0xFFFF; |
- |
- private: |
- static const int32_t kLeadSurrogateOffset = (0xD800 - (0x10000 >> 10)); |
- |
- static const int32_t kSurrogateOffset = (0x10000 - (0xD800 << 10) - 0xDC00); |
-}; |
- |
-#endif // UNICODE_H_ |