1 // Copyright 2010, Google Inc. All rights reserved. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google Inc. nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 #ifndef URLCharacterTypes_h 30 #define URLCharacterTypes_h 31 32 namespace WTF { 33 34 class URLCharacterTypes { 35 public: 36 static inline bool isQueryChar(unsigned char c) { return isCharOfType(c, QueryCharacter); } 37 static inline bool isIPv4Char(unsigned char c) { return isCharOfType(c, IPv4Character); } 38 static inline bool isHexChar(unsigned char c) { return isCharOfType(c, HexCharacter); } 39 40 private: 41 enum CharTypes { 42 InvalidCharacter = 0, 43 QueryCharacter = 1 << 0, 44 UserInfoCharacter = 1 << 1, 45 IPv4Character = 1 << 2, 46 HexCharacter = 1 << 3, 47 DecimalCharacter = 1 << 4, 48 OctalCharacter = 1 << 5, 49 }; 50 51 static const unsigned char characterTypeTable[0x100]; 52 53 static inline bool isCharOfType(unsigned char c, CharTypes type) 54 { 55 return !!(characterTypeTable[c] & type); 56 } 57 }; 58 59 } 60 61 #endif 62
