lib/Basic/UnicodeExtendedGraphemeClusters.cpp.gyb

%# -*- mode: C++ -*-

%# Ignore the following admonition; it applies to the resulting .cpp file only
//// Automatically Generated From UnicodeExtendedGraphemeClusters.cpp.gyb.
//// Do Not Edit Directly!
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

%{

from GYBUnicodeDataUtils import GraphemeClusterBreakPropertyTable, get_extended_grapheme_cluster_rules_matrix

break_table = GraphemeClusterBreakPropertyTable(unicodeGraphemeBreakPropertyFile)

}%

#include "swift/Basic/Unicode.h"

swift::unicode::GraphemeClusterBreakProperty
swift::unicode::getGraphemeClusterBreakProperty(uint32_t C) {
  // FIXME: replace linear search with a trie lookup.

% for start_code_point, end_code_point, value in break_table.property_value_ranges:
%   if start_code_point == 0:
  if (C <= ${end_code_point})
%   else:
  if (C >= ${start_code_point} && C <= ${end_code_point})
%   end
    return GraphemeClusterBreakProperty::${value};
% end

  return GraphemeClusterBreakProperty::Other;
}

const uint16_t swift::unicode::ExtendedGraphemeClusterNoBoundaryRulesMatrix[] = {
% for row in get_extended_grapheme_cluster_rules_matrix(break_table):
  ${row},
% end
};