unicode: Extracted unicode-specific functions

src/common/unicode.cpp

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+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2015 - 2016, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// http://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <cmake.h>
+#include <unicode.h>
+
+////////////////////////////////////////////////////////////////////////////////
+// Complete Unicode whitespace list.
+//
+// http://en.wikipedia.org/wiki/Whitespace_character
+// Updated 2015-09-13
+// Static
+//
+// TODO This list should be derived from the Unicode database.
+bool unicodeWhitespace (int c)
+{
+  return (c == 0x0020 ||   // space Common  Separator, space
+          c == 0x0009 ||   // Common  Other, control  HT, Horizontal Tab
+          c == 0x000A ||   // Common  Other, control  LF, Line feed
+          c == 0x000B ||   // Common  Other, control  VT, Vertical Tab
+          c == 0x000C ||   // Common  Other, control  FF, Form feed
+          c == 0x000D ||   // Common  Other, control  CR, Carriage return
+          c == 0x0085 ||   // Common  Other, control  NEL, Next line
+          c == 0x00A0 ||   // no-break space  Common  Separator, space
+          c == 0x1680 ||   // ogham space mark  Ogham Separator, space
+          c == 0x180E ||   // mongolian vowel separator Mongolian Separator, space
+          c == 0x2000 ||   // en quad Common  Separator, space
+          c == 0x2001 ||   // em quad Common  Separator, space
+          c == 0x2002 ||   // en space  Common  Separator, space
+          c == 0x2003 ||   // em space  Common  Separator, space
+          c == 0x2004 ||   // three-per-em space  Common  Separator, space
+          c == 0x2005 ||   // four-per-em space Common  Separator, space
+          c == 0x2006 ||   // six-per-em space  Common  Separator, space
+          c == 0x2007 ||   // figure space  Common  Separator, space
+          c == 0x2008 ||   // punctuation space Common  Separator, space
+          c == 0x2009 ||   // thin space  Common  Separator, space
+          c == 0x200A ||   // hair space  Common  Separator, space
+          c == 0x200B ||   // zero width space
+          c == 0x200C ||   // zero width non-joiner
+          c == 0x200D ||   // zero width joiner
+          c == 0x2028 ||   // line separator  Common  Separator, line
+          c == 0x2029 ||   // paragraph separator Common  Separator, paragraph
+          c == 0x202F ||   // narrow no-break space Common  Separator, space
+          c == 0x205F ||   // medium mathematical space Common  Separator, space
+          c == 0x2060 ||   // word joiner
+          c == 0x3000);    // ideographic space Common  Separator, space
+}
+
+////////////////////////////////////////////////////////////////////////////////

src/common/unicode.h

@@ -0,0 +1,33 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2015 - 2016, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// http://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_UNICODE
+#define INCLUDED_UNICODE
+
+bool unicodeWhitespace (unsigned int);
+
+#endif
+////////////////////////////////////////////////////////////////////////////////