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add support for CRLF

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ado 2020-12-11 18:14:06 +01:00
parent 83bbab4112
commit 0d84fcf7e8
2 changed files with 18 additions and 7 deletions
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10
include/ss/parser.hpp
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@ -14,7 +14,7 @@ class parser {
public:
parser(const std::string& file_name, const std::string& delimiter)
: file_name_{file_name}, delim_{delimiter},
file_{fopen(file_name_.c_str(), "r")} {
file_{fopen(file_name_.c_str(), "rb")} {
if (file_) {
read_line();
} else {
@ -82,11 +82,17 @@ class parser {
bool read(FILE* file) {
ssize_t size = getline(&buffer_, &size_, file);
size_t string_end = size - 1;
if (size == -1) {
return false;
}
buffer_[size - 1] = '\0';
if (size >= 2 && buffer_[size - 2] == '\r') {
string_end--;
}
buffer_[string_end] = '\0';
return true;
}

15
test/test_parser.cpp
View File

@ -43,14 +43,16 @@ template <typename T>
static void make_and_write(const std::string& file_name,
const std::vector<T>& data) {
std::ofstream out{file_name};
for (const auto& i : data) {
out << i.to_string() << std::endl;
std::vector<const char*> new_lines = {"\n", "\r\n"};
for (size_t i = 0; i < data.size(); ++i) {
out << data[i].to_string() << new_lines[i % new_lines.size()];
}
}
TEST_CASE("testing parser") {
unique_file_name f;
std::vector<X> data = {{1, 2, "x"}, {3, 4, "y"}, {5, 6, "z"}};
std::vector<X> data = {{1, 2, "x"}, {3, 4, "y"}, {5, 6, "z"},
{7, 8, "u"}, {9, 10, "v"}, {11, 12, "w"}};
make_and_write(f.name, data);
{
ss::parser p{f.name, ","};
@ -101,17 +103,20 @@ TEST_CASE("testing parser") {
}
{
constexpr int excluded = 3;
ss::parser p{f.name, ","};
std::vector<X> i;
while (!p.eof()) {
auto a = p.get_struct<X, ss::ax<int, 3>, double,
auto a = p.get_struct<X, ss::ax<int, excluded>, double,
std::string>();
if (p.valid()) {
i.push_back(a);
}
}
std::vector<X> expected = {{1, 2, "x"}, {5, 6, "z"}};
std::vector<X> expected = data;
std::remove_if(expected.begin(), expected.end(),
[](const X& x) { return x.i == excluded; });
CHECK(std::equal(i.begin(), i.end(), expected.begin()));
}