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db6793f444
Also copy the "blank space" (space or tab) vs "whitespace" (space, tab, or newline) convention from `<ctype.h>`
45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
// SPDX-License-Identifier: MIT
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#ifndef RGBDS_UTIL_HPP
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#define RGBDS_UTIL_HPP
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#include <algorithm>
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#include <ctype.h>
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#include <numeric>
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#include <stddef.h>
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#include <string>
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#include <unordered_map>
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#include "helpers.hpp"
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bool isNewline(int c);
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bool isBlankSpace(int c);
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bool isWhitespace(int c);
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bool isPrintable(int c);
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bool startsIdentifier(int c);
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bool continuesIdentifier(int c);
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char const *printChar(int c);
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struct Uppercase {
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// FNV-1a hash of an uppercased string
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constexpr size_t operator()(std::string const &str) const {
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return std::accumulate(RANGE(str), 0x811C9DC5, [](size_t hash, char c) {
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return (hash ^ toupper(c)) * 16777619;
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});
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}
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// Compare two strings without case-sensitivity (by converting to uppercase)
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constexpr bool operator()(std::string const &str1, std::string const &str2) const {
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return std::equal(RANGE(str1), RANGE(str2), [](char c1, char c2) {
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return toupper(c1) == toupper(c2);
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});
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}
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};
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template<typename T>
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using UpperMap = std::unordered_map<std::string, T, Uppercase, Uppercase>;
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#endif // RGBDS_UTIL_HPP
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