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// vim:set sw=2 ts=2 sts et:
//
// Copyright 2024 Rutger Broekhoff. Licensed under the EUPL.
#include <chrono>
#include <cstdio>
#include <string>
#include <string_view>
#include <vector>
#include <tmi8/kv1_types.hpp>
#include <tmi8/kv1_index.hpp>
#include <tmi8/kv1_lexer.hpp>
#include <tmi8/kv1_parser.hpp>
#include "cliopts.hpp"
#include "joparoute.hpp"
#include "journeyinfo.hpp"
#include "journeyroute.hpp"
#include "journeys.hpp"
#include "schedule.hpp"
using namespace std::string_view_literals;
using TimingClock = std::conditional_t<
std::chrono::high_resolution_clock::is_steady,
std::chrono::high_resolution_clock,
std::chrono::steady_clock>;
std::string readKv1(const char *path) {
FILE *in = stdin;
if (path != "-"sv) in = fopen(path, "rb");
else fputs("Reading KV1 from standard input\n", stderr);
if (!in) {
fprintf(stderr, "Open %s: %s\n", path, strerrordesc_np(errno));
exit(1);
}
char buf[4096];
std::string data;
while (!feof(in) && !ferror(in)) {
size_t read = fread(buf, sizeof(char), 4096, in);
data.append(buf, read);
}
if (ferror(in)) {
if (path == "-"sv)
fputs("Error when reading from stdin\n", stderr);
else
fprintf(stderr, "Error reading from file \"%s\"\n", path);
exit(1);
}
fprintf(stderr, "Read %lu bytes\n", data.size());
if (path != "-"sv)
fclose(in);
return data;
}
std::vector<Kv1Token> lex(const char *path) {
std::string data = readKv1(path);
auto start = TimingClock::now();
Kv1Lexer lexer(data);
lexer.lex();
auto end = TimingClock::now();
std::chrono::duration<double> elapsed{end - start};
double bytes = static_cast<double>(data.size()) / 1'000'000;
double speed = bytes / elapsed.count();
if (!lexer.errors.empty()) {
fputs("Lexer reported errors:\n", stderr);
for (const auto &error : lexer.errors)
fprintf(stderr, "- %s\n", error.c_str());
exit(1);
}
fprintf(stderr, "Got %lu tokens\n", lexer.tokens.size());
fprintf(stderr, "Duration: %f s\n", elapsed.count());
fprintf(stderr, "Speed: %f MB/s\n", speed);
return std::move(lexer.tokens);
}
bool parse(const char *path, Kv1Records &into) {
std::vector<Kv1Token> tokens = lex(path);
Kv1Parser parser(tokens, into);
parser.parse();
bool ok = true;
if (!parser.gerrors.empty()) {
ok = false;
fputs("Parser reported errors:\n", stderr);
for (const auto &error : parser.gerrors)
fprintf(stderr, "- %s\n", error.c_str());
}
if (!parser.warns.empty()) {
fputs("Parser reported warnings:\n", stderr);
for (const auto &warn : parser.warns)
fprintf(stderr, "- %s\n", warn.c_str());
}
fprintf(stderr, "Parsed %lu records\n", into.size());
return ok;
}
void printParsedRecords(const Kv1Records &records) {
fputs("Parsed records:\n", stderr);
fprintf(stderr, " organizational_units: %lu\n", records.organizational_units.size());
fprintf(stderr, " higher_organizational_units: %lu\n", records.higher_organizational_units.size());
fprintf(stderr, " user_stop_points: %lu\n", records.user_stop_points.size());
fprintf(stderr, " user_stop_areas: %lu\n", records.user_stop_areas.size());
fprintf(stderr, " timing_links: %lu\n", records.timing_links.size());
fprintf(stderr, " links: %lu\n", records.links.size());
fprintf(stderr, " lines: %lu\n", records.lines.size());
fprintf(stderr, " destinations: %lu\n", records.destinations.size());
fprintf(stderr, " journey_patterns: %lu\n", records.journey_patterns.size());
fprintf(stderr, " concession_financer_relations: %lu\n", records.concession_financer_relations.size());
fprintf(stderr, " concession_areas: %lu\n", records.concession_areas.size());
fprintf(stderr, " financers: %lu\n", records.financers.size());
fprintf(stderr, " journey_pattern_timing_links: %lu\n", records.journey_pattern_timing_links.size());
fprintf(stderr, " points: %lu\n", records.points.size());
fprintf(stderr, " point_on_links: %lu\n", records.point_on_links.size());
fprintf(stderr, " icons: %lu\n", records.icons.size());
fprintf(stderr, " notices: %lu\n", records.notices.size());
fprintf(stderr, " notice_assignments: %lu\n", records.notice_assignments.size());
fprintf(stderr, " time_demand_groups: %lu\n", records.time_demand_groups.size());
fprintf(stderr, " time_demand_group_run_times: %lu\n", records.time_demand_group_run_times.size());
fprintf(stderr, " period_groups: %lu\n", records.period_groups.size());
fprintf(stderr, " specific_days: %lu\n", records.specific_days.size());
fprintf(stderr, " timetable_versions: %lu\n", records.timetable_versions.size());
fprintf(stderr, " public_journeys: %lu\n", records.public_journeys.size());
fprintf(stderr, " period_group_validities: %lu\n", records.period_group_validities.size());
fprintf(stderr, " exceptional_operating_days: %lu\n", records.exceptional_operating_days.size());
fprintf(stderr, " schedule_versions: %lu\n", records.schedule_versions.size());
fprintf(stderr, " public_journey_passing_times: %lu\n", records.public_journey_passing_times.size());
fprintf(stderr, " operating_days: %lu\n", records.operating_days.size());
}
void printIndexSize(const Kv1Index &index) {
fputs("Index size:\n", stderr);
fprintf(stderr, " organizational_units: %lu\n", index.organizational_units.size());
fprintf(stderr, " user_stop_points: %lu\n", index.user_stop_points.size());
fprintf(stderr, " user_stop_areas: %lu\n", index.user_stop_areas.size());
fprintf(stderr, " timing_links: %lu\n", index.timing_links.size());
fprintf(stderr, " links: %lu\n", index.links.size());
fprintf(stderr, " lines: %lu\n", index.lines.size());
fprintf(stderr, " destinations: %lu\n", index.destinations.size());
fprintf(stderr, " journey_patterns: %lu\n", index.journey_patterns.size());
fprintf(stderr, " concession_financer_relations: %lu\n", index.concession_financer_relations.size());
fprintf(stderr, " concession_areas: %lu\n", index.concession_areas.size());
fprintf(stderr, " financers: %lu\n", index.financers.size());
fprintf(stderr, " journey_pattern_timing_links: %lu\n", index.journey_pattern_timing_links.size());
fprintf(stderr, " points: %lu\n", index.points.size());
fprintf(stderr, " point_on_links: %lu\n", index.point_on_links.size());
fprintf(stderr, " icons: %lu\n", index.icons.size());
fprintf(stderr, " notices: %lu\n", index.notices.size());
fprintf(stderr, " time_demand_groups: %lu\n", index.time_demand_groups.size());
fprintf(stderr, " time_demand_group_run_times: %lu\n", index.time_demand_group_run_times.size());
fprintf(stderr, " period_groups: %lu\n", index.period_groups.size());
fprintf(stderr, " specific_days: %lu\n", index.specific_days.size());
fprintf(stderr, " timetable_versions: %lu\n", index.timetable_versions.size());
fprintf(stderr, " public_journeys: %lu\n", index.public_journeys.size());
fprintf(stderr, " period_group_validities: %lu\n", index.period_group_validities.size());
fprintf(stderr, " exceptional_operating_days: %lu\n", index.exceptional_operating_days.size());
fprintf(stderr, " schedule_versions: %lu\n", index.schedule_versions.size());
fprintf(stderr, " public_journey_passing_times: %lu\n", index.public_journey_passing_times.size());
fprintf(stderr, " operating_days: %lu\n", index.operating_days.size());
}
int main(int argc, char *argv[]) {
Options options = parseOptions(argc, argv);
Kv1Records records;
if (!parse(options.kv1_file_path, records)) {
fputs("Error parsing records, exiting\n", stderr);
return EXIT_FAILURE;
}
printParsedRecords(records);
fputs("Indexing...\n", stderr);
Kv1Index index(&records);
fprintf(stderr, "Indexed %lu records\n", index.size());
// Only notice assignments are not indexed. If this equality is not valid,
// then this means that we had duplicate keys or that something else went
// wrong. That would really not be great.
assert(index.size() == records.size() - records.notice_assignments.size());
printIndexSize(index);
fputs("Linking records...\n", stderr);
kv1LinkRecords(index);
fputs("Done linking\n", stderr);
if (options.subcommand == "joparoute"sv) jopaRoute(options, records, index);
if (options.subcommand == "journeyroute"sv) journeyRoute(options, records, index);
if (options.subcommand == "journeys"sv) journeys(options, records, index);
if (options.subcommand == "journeyinfo"sv) journeyInfo(options, records, index);
if (options.subcommand == "schedule"sv) schedule(options, records, index);
}
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