#!/usr/bin/env bash

echo '%language=C++
%define class-name HTMLCharacterHash
%define lookup-function-name Lookup
%readonly-tables
%includes
%compare-strncmp
%{
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
#pragma GCC diagnostic ignored "-Wunused-macros"
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#pragma GCC diagnostic ignored "-Wshorten-64-to-32"
// NOLINTBEGIN(google-runtime-int,hicpp-use-nullptr,modernize-use-nullptr)
%}
struct NameAndGlyph {
const char *name;
const char *glyph;
};
%%' > HTMLCharacterReference.gperf

# character reference as available at https://html.spec.whatwg.org/multipage/named-characters.html
curl -X GET https://html.spec.whatwg.org/entities.json |  jq -r 'keys[] as $k | "\"\($k)\", \(.[$k] | .characters|tojson)"' | sed 's/^"&/"/' >> HTMLCharacterReference.gperf
echo '%%' >> HTMLCharacterReference.gperf
echo '// NOLINTEND(google-runtime-int,hicpp-use-nullptr,modernize-use-nullptr)' >> HTMLCharacterReference.gperf