110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
#ifndef LIBGATEMATE_UTIL_HPP
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#define LIBGATEMATE_UTIL_HPP
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#include <string>
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#include <sstream>
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#include <iomanip>
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#include <cstdint>
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#include <vector>
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#include <boost/range/adaptor/reversed.hpp>
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using namespace std;
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namespace GateMate {
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enum class VerbosityLevel {
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ERROR,
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NOTE,
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DEBUG,
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};
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extern VerbosityLevel verbosity;
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inline string uint32_to_hexstr(uint32_t val) {
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ostringstream os;
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os << "0x" << hex << setw(8) << setfill('0') << val;
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return os.str();
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}
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// Hex is not allowed in JSON, to avoid an ugly decimal integer use a string instead
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// But we need to parse this back to a uint32_t
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inline uint32_t parse_uint32(string str) {
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return uint32_t(strtoul(str.c_str(), nullptr, 0));
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}
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inline string to_string(const vector<bool> &bv) {
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ostringstream os;
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for (auto bit : boost::adaptors::reverse(bv))
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os << (bit ? '1' : '0');
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return os.str();
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}
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inline istream &operator>>(istream &in, vector<bool> &bv) {
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bv.clear();
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string s;
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in >> s;
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for (auto c : boost::adaptors::reverse(s)) {
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assert((c == '0') || (c == '1'));
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bv.push_back((c == '1'));
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}
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return in;
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}
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// Skip whitespace, optionally including newlines
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inline void skip_blank(istream &in, bool nl = false) {
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int c = in.peek();
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while (in && (((c == ' ') || (c == '\t')) || (nl && ((c == '\n') || (c == '\r'))))) {
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in.get();
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c = in.peek();
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}
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}
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// Return true if end of line (or file)
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inline bool skip_check_eol(istream &in) {
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skip_blank(in, false);
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if (!in)
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return false;
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int c = in.peek();
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// Comments count as end of line
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if (c == '#') {
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in.get();
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c = in.peek();
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while (in && c != EOF && c != '\n') {
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in.get();
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c = in.peek();
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}
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return true;
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}
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return (c == EOF || c == '\n');
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}
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// Skip past blank lines and comments
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inline void skip(istream &in) {
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skip_blank(in, true);
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while (in && (in.peek() == '#')) {
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// Skip comment line
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skip_check_eol(in);
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skip_blank(in, true);
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}
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}
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// Return true if at the end of a record (or file)
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inline bool skip_check_eor(istream &in) {
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skip(in);
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int c = in.peek();
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return (c == EOF || c == '.');
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}
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// Return true if at the end of file
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inline bool skip_check_eof(istream &in) {
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skip(in);
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int c = in.peek();
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return (c == EOF);
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}
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}
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#define fmt(x) (static_cast<const std::ostringstream&>(std::ostringstream() << x).str())
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#define UNUSED(x) (void)(x)
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#endif //LIBGATEMATE_UTIL_HPP
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