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from collections import namedtuple
import xml.etree.ElementTree as xml
resource = namedtuple('resource', 'alias variable path')
def to_variable_name(path):
name = path.replace('/', '_')
if name.endswith('.zstd'):
name = name[:-5]
name = name.replace('-', '_')
name = name.replace('.', '_')
return "r__" + name
def write_header(file, namespace):
print("""// Autogenerated header - this file may get overwritten by the build system
#pragma once
#include <algorithm>
#include <span>
#include <string_view>
#include <tuple>
""", file=file)
print("namespace {} {{".format(namespace), file=file)
def write_item(file, array_name, array_data):
print("constexpr char {}[] = {{".format(array_name), file=file)
line_items = 0
for byte in array_data:
line_items+=1
if line_items == 16:
print("0x{:02X},".format(byte), file=file)
line_items = 0
else:
print("0x{:02X},".format(byte), file=file, end='')
print("};", file=file)
print("constexpr size_t {}_len = {};\n".format(array_name, len(array_data)), file=file)
def write_entries(file, resource_list):
print("constexpr std::array entries {", file=file)
for f in resource_list:
print(" std::make_tuple(\"{}\", std::span({}, {}_len)),"
.format(f.alias, f.variable, f.variable), file=file)
print("};\n", file=file)
def write_footer(file, namespace):
print("""template<typename StrViewLambda>
constexpr auto get(StrViewLambda name) {
static_assert(std::is_same_v<std::string_view, decltype(name())>);
constexpr auto x = std::find_if(entries.begin(), entries.end(),
[=](const auto &tuple) -> bool {
return std::get<0>(tuple) == name();
});
static_assert(x != entries.end());
return std::get<1>(*x);
}""", file=file)
print("\n}} // namespace {}".format(namespace), file=file)
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