| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef HTMLEntityParser_h |
| #define HTMLEntityParser_h |
| |
| #include "core/CoreExport.h" |
| #include "platform/text/SegmentedString.h" |
| #include "wtf/Allocator.h" |
| |
| namespace blink { |
| |
| class DecodedHTMLEntity { |
| STACK_ALLOCATED(); |
| |
| private: |
| // HTML entities contain at most four UTF-16 code units. |
| static const unsigned kMaxLength = 4; |
| |
| public: |
| DecodedHTMLEntity() : length(0) {} |
| |
| bool isEmpty() const { return !length; } |
| |
| void append(UChar c) { |
| RELEASE_ASSERT(length < kMaxLength); |
| data[length++] = c; |
| } |
| |
| void append(UChar32 c) { |
| if (U_IS_BMP(c)) { |
| append(static_cast<UChar>(c)); |
| return; |
| } |
| append(U16_LEAD(c)); |
| append(U16_TRAIL(c)); |
| } |
| |
| unsigned length; |
| UChar data[kMaxLength]; |
| }; |
| |
| CORE_EXPORT bool consumeHTMLEntity(SegmentedString&, |
| DecodedHTMLEntity& decodedEntity, |
| bool& notEnoughCharacters, |
| UChar additionalAllowedCharacter = '\0'); |
| |
| // Used by the XML parser. Not suitable for use in HTML parsing. Use |
| // consumeHTMLEntity instead. |
| size_t decodeNamedEntityToUCharArray(const char*, UChar result[4]); |
| |
| } // namespace blink |
| |
| #endif // HTMLEntityParser_h |