This commit is contained in:
Timur A. Fatkhullin 2024-10-07 18:09:28 +03:00
parent 8bcc8edbb0
commit 7e3aed284c
4 changed files with 117 additions and 40 deletions

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@ -5,6 +5,7 @@
#include <limits>
#include <ranges>
#include <regex>
#include <utility>
#include "../common/adc_traits.h"
@ -12,6 +13,12 @@
namespace adc::utils
{
// compile-time size of zero-terminated char array
static consteval size_t AdcCharArrSize(const char* arr)
{
return *arr ? 1 + AdcCharArrSize(arr + 1) : 0;
}
static bool AdcIsSpace(char in) noexcept
{
static constexpr auto ws = {' ', '\t', '\n', '\v', '\r', '\f'};
@ -542,4 +549,78 @@ static size_t AdcReturnRangeElementsView(const R& r, const RD& delim, RO& ro)
return N;
}
template <std::ranges::range ResT, traits::adc_char_range R, traits::adc_input_char_range DR>
requires(std::ranges::contiguous_range<R> && traits::adc_char_view<std::ranges::range_value_t<ResT>>) ||
traits::adc_output_char_range<std::ranges::range_value_t<ResT>>
static auto AdcSplitCharRange(R&& r, DR&& delim, size_t start = 0, size_t num = std::numeric_limits<size_t>::max())
{
ResT res;
using el_t = std::ranges::range_value_t<ResT>;
if (num == 0) {
return res;
}
size_t last_el = num;
if (start) { // to prevent overflowing
if (num < (std::numeric_limits<size_t>::max() - start + 1)) {
last_el = start + num - 1;
}
} else {
if (num < (std::numeric_limits<size_t>::max())) {
last_el = num - 1;
}
}
auto begin = std::forward<R>(r).begin();
auto end = std::forward<R>(r).end();
auto it_el = begin;
auto it_next = begin;
size_t i_el = 0;
auto prev = std::ranges::search(std::forward<R>(r), std::forward<DR>(delim));
do {
if (prev.begin() != begin) {
if (i_el >= start) {
std::back_inserter(res) = el_t(it_el, prev.begin());
}
++i_el;
if (i_el > last_el) {
break;
}
it_el = prev.end();
}
if (prev.end() == end) {
break;
}
it_next = prev.end();
auto next = std::ranges::search(it_next, end, std::forward<DR>(delim).begin(), std::forward<DR>(delim).end());
while (it_next == next.begin()) {
it_next = next.end();
next = std::ranges::search(it_next, end, std::forward<DR>(delim).begin(), std::forward<DR>(delim).end());
if (next.empty()) {
break;
}
}
prev = next;
} while (true);
return res;
}
} // namespace adc::utils

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@ -1,5 +1,6 @@
#pragma once
#include <cstring>
#include "../common/adc_utils.h"
// #include "adc_netmsg.h"
@ -21,13 +22,13 @@ static constexpr char ADC_DEFAULT_COMPOSITE_PARAM_DELIMITER[] = ",";
template <traits::adc_char_range ByteSeqT,
const char* KEY_VALUE_DELIM = constants::ADC_DEFAULT_KEY_VALUE_DELIMITER1,
const char* VALUE_DELIM = constants::ADC_DEFAULT_COMPOSITE_PARAM_DELIMITER>
const char KEY_VALUE_DELIM[] = constants::ADC_DEFAULT_KEY_VALUE_DELIMITER1,
const char VALUE_DELIM[] = constants::ADC_DEFAULT_COMPOSITE_PARAM_DELIMITER>
class AdcKeyValueMessage1
{
public:
static constexpr std::span keyValueDelimiter{KEY_VALUE_DELIM, sizeof(KEY_VALUE_DELIM) - 1};
static constexpr std::span valueDelimiter{VALUE_DELIM, sizeof(VALUE_DELIM) - 1};
static constexpr std::span keyValueDelimiter{KEY_VALUE_DELIM, utils::AdcCharArrSize(KEY_VALUE_DELIM)};
static constexpr std::span valueDelimiter{VALUE_DELIM, utils::AdcCharArrSize(VALUE_DELIM)};
AdcKeyValueMessage1(ByteSeqT& byte_seq) : _byteSequence(byte_seq) {}
@ -42,9 +43,9 @@ public:
auto bs = utils::AdcTrimSpacesView<T>(_byteSequence, utils::AdcTrimType::TRIM_LEFT);
auto found = std::ranges::search(bs, keyValueDelimiter);
// if (found.empty) { // no value
// return bs;
// }
if (found.empty()) { // no value
return bs;
}
return utils::AdcTrimSpacesView<T>(std::span<const char>(bs.begin(), found.begin()),
utils::AdcTrimType::TRIM_RIGHT);
@ -83,13 +84,9 @@ public:
{
if constexpr (traits::adc_char_view<T> && std::ranges::contiguous_range<ByteSeqT>) {
auto bs = utils::AdcTrimSpacesView<T>(_byteSequence, utils::AdcTrimType::TRIM_LEFT);
auto found = std::ranges::search(bs, keyValueDelimiter);
// if (found.empty()) { // no value
// return T();
// }
return T(found.end(), _byteSequence.end());
return T(found.end(), bs.end());
} else {
T res;
@ -97,7 +94,7 @@ public:
auto found = std::ranges::search(bs, keyValueDelimiter);
if (!found.empty()) {
std::ranges::copy(found.end(), _byteSequence.end(), std::back_inserter(res));
std::ranges::copy(found.end(), bs.end(), std::back_inserter(res));
}
return res;
@ -160,11 +157,11 @@ class AdcDeviceNetMessage : public AdcKeyValueMessage1<ByteSeqT, KEY_PARAM_DELIM
using base_t = AdcKeyValueMessage1<ByteSeqT, KEY_PARAM_DELIM, COMPOSITE_PARAM_DELIM>;
public:
static constexpr std::span keyParamDelimiter{KEY_PARAM_DELIM, sizeof(KEY_PARAM_DELIM) - 1};
static constexpr std::span keyParamDelimiter{KEY_PARAM_DELIM, utils::AdcCharArrSize(KEY_PARAM_DELIM)};
static constexpr std::span paramParamDelimiter{PARAM_PARAM_DELIM, sizeof(PARAM_PARAM_DELIM) - 1};
static constexpr std::span paramParamDelimiter{PARAM_PARAM_DELIM, utils::AdcCharArrSize(PARAM_PARAM_DELIM)};
static constexpr std::span compParamDelimiter{COMPOSITE_PARAM_DELIM, sizeof(COMPOSITE_PARAM_DELIM) - 1};
static constexpr std::span compParamDelimiter{COMPOSITE_PARAM_DELIM, utils::AdcCharArrSize(COMPOSITE_PARAM_DELIM)};
AdcDeviceNetMessage(ByteSeqT& byte_seq) : base_t(byte_seq) {}
@ -172,9 +169,6 @@ public:
template <traits::adc_char_view VT>
VT keyword() const
{
// auto v = utils::AdcTrimSpaces(base_t::template key<VT>());
// return VT(std::begin(v), std::end(v));
std::span<const char> key;
// first, remove spaces at the beginning and end of byte sequence
auto bs = utils::AdcTrimSpacesView<std::span<const char>>(this->_byteSequence);
@ -197,24 +191,25 @@ public:
template <traits::adc_range_of_view_char_range R>
auto params(size_t start = 0, size_t N = std::numeric_limits<size_t>::max())
auto params(size_t start = 0, size_t N = std::numeric_limits<size_t>::max()) const
{
auto val = base_t::template value<std::ranges::range_value_t<R>>();
// auto p = utils::AdcTokenManip(val).tokens(start, N);
// R res;
// std::ranges::for_each(std::views::split(val, keyParamDelimiter) | std::views::drop(start) |
// std::views::take(N),
// [&res](const auto& el) {
// // remove spaces
// std::back_inserter(res) =
// utils::AdcTrimSpacesView<std::ranges::range_value_t<R>>(el);
// // std::ranges::copy(utils::AdcTrimSpaces(el), std::back_inserter(res));
// });
R res;
std::ranges::for_each(std::views::split(val, keyParamDelimiter) | std::views::drop(start) | std::views::take(N),
[&res](const auto& el) {
// remove spaces
std::back_inserter(res) = utils::AdcTrimSpacesView<std::ranges::range_value_t<R>>(el);
// std::ranges::copy(utils::AdcTrimSpaces(el), std::back_inserter(res));
});
return res;
// return res;
return utils::AdcSplitCharRange<R>(val, paramParamDelimiter, start, N);
}
auto params(size_t start = 0, size_t N = std::numeric_limits<size_t>::max())
auto params(size_t start = 0, size_t N = std::numeric_limits<size_t>::max()) const
{
return params<std::vector<std::string_view>>(start, N);
}

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@ -505,9 +505,9 @@ public:
std::ranges::copy(keytokenDelimiter, std::back_inserter(r)); // keyword-to-token delimiter
}
std::ranges::for_each(base_t::template bytesView(), [&r](const auto& el) {
std::ranges::copy(el, std::back_inserter(r)); // token
});
// std::ranges::for_each(base_t::template bytesView(), [&r](const auto& el) {
// std::ranges::copy(el, std::back_inserter(r)); // token
// });
return r;
}
@ -531,9 +531,9 @@ public:
std::back_inserter(r) = {keytokenDelimiter.begin(), keytokenDelimiter.end()}; // keyword-to-token delimiter
}
std::ranges::for_each(base_t::template bytesView(), [&r](const auto& el) {
std::back_inserter(r) = {el.begin(), el.end()}; // token
});
// std::ranges::for_each(base_t::template bytesView(), [&r](const auto& el) {
// std::back_inserter(r) = {el.begin(), el.end()}; // token
// });
return r;
}

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@ -90,8 +90,9 @@ TEST_CASE("[ADC NET MESSAGE]")
std::cout << "KEY = {" << md.keyword() << "}\n";
std::cout << "KEY = {" << md.key() << "}\n";
for (auto& pp : md.params(1, 2)) {
std::cout << "PAR: " << pp << "\n";
std::cout << "VALUE = {" << md.value() << "}\n";
for (auto& pp : md.params(2, 2)) {
std::cout << "PAR: {" << pp << "}\n";
}
}