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#include <algorithm>
#include <cctype>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <iterator>
#include <string>
#include <string_view>
#include <vector>
#include <openvic-dataloader/ParseWarning.hpp>
#include <openvic-dataloader/csv/LineObject.hpp>
#include <openvic-dataloader/csv/Parser.hpp>
#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
#include <openvic-dataloader/v2script/Parser.hpp>
std::string_view trim(std::string_view str) {
std::string_view::iterator begin = str.begin();
std::string_view::iterator end = str.end();
for (;; begin++) {
if (begin == end) return std::string_view();
if (!std::isspace(*begin)) break;
}
end--;
for (;; end--) {
if (end == begin) return std::string_view();
if (!std::isspace(*end)) break;
}
return std::string_view(&*begin, std::distance(begin, end));
}
bool insenitive_trim_eq(std::string_view lhs, std::string_view rhs) {
lhs = trim(lhs);
rhs = trim(rhs);
return std::equal(
lhs.begin(), lhs.end(),
rhs.begin(), rhs.end(),
[](char a, char b) { return std::tolower(a) == std::tolower(b); });
}
template<ovdl::csv::EncodingType Encoding>
int print_csv(const std::string_view path) {
auto parser = ovdl::csv::Parser<Encoding>::from_file(path);
if (parser.has_error()) {
return 1;
}
parser.parse_csv();
if (parser.has_error()) {
return 2;
}
if (parser.has_warning()) {
for (auto& warning : parser.get_warnings()) {
std::cerr << "Warning: " << warning.message << std::endl;
}
}
std::cout << "lines:\t\t" << parser.get_lines().size() << std::endl;
for (const auto& line : parser.get_lines()) {
std::cout << "line size:\t" << line.value_count() << std::endl;
std::cout << "values:\t\t" << line << std::endl;
}
return EXIT_SUCCESS;
}
int print_v2script_simple(const std::string_view path) {
auto parser = ovdl::v2script::Parser::from_file(path);
if (parser.has_error()) {
return 1;
}
parser.simple_parse();
if (parser.has_error()) {
return 2;
}
if (parser.has_warning()) {
for (auto& warning : parser.get_warnings()) {
std::cerr << "Warning: " << warning.message << std::endl;
}
}
std::cout << parser.get_file_node() << std::endl;
return EXIT_SUCCESS;
}
int main(int argc, char** argv) {
switch (argc) {
case 2:
return print_v2script_simple(argv[1]);
case 4:
if (insenitive_trim_eq(argv[1], "csv") && insenitive_trim_eq(argv[2], "utf"))
return print_csv<ovdl::csv::EncodingType::Utf8>(argv[3]);
goto default_jump;
case 3:
if (insenitive_trim_eq(argv[1], "csv"))
return print_csv<ovdl::csv::EncodingType::Windows1252>(argv[2]);
[[fallthrough]];
default:
default_jump:
std::fprintf(stderr, "usage: %s <filename>\n", argv[0]);
std::fprintf(stderr, "usage: %s csv <filename>\n", argv[0]);
std::fprintf(stderr, "usage: %s csv utf <filename>", argv[0]);
return EXIT_FAILURE;
}
return 0;
}
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