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add StructMapping::setUnicode

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This commit is contained in:
MihailRis 2024-08-29 15:10:51 +03:00
parent 4343e81e00
commit 77229b8d9a
3 changed files with 108 additions and 11 deletions
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35
src/data/StructMapper.cpp
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@ -1,10 +1,12 @@
#include "StructMapper.hpp"
#include <cstring>
#include <string.h>
#include <stdexcept>
#include <algorithm>
#include "util/data_io.hpp"
#include "util/stringutil.hpp"
using namespace data;
@ -55,7 +57,7 @@ void StructMapping::setInteger(
) {
const auto& field = requreField(name);
if (index < 0 || index >= field.elements) {
throw std::runtime_error(
throw std::out_of_range(
"index out of bounds [0, "+std::to_string(field.elements)+"]");
}
auto ptr = dst + field.offset + index * sizeof_type(field.type);
@ -79,7 +81,7 @@ void StructMapping::setNumber(
) {
const auto& field = requreField(name);
if (index < 0 || index >= field.elements) {
throw std::runtime_error(
throw std::out_of_range(
"index out of bounds [0, "+std::to_string(field.elements)+"]");
}
auto ptr = dst + field.offset + index * sizeof_type(field.type);
@ -103,7 +105,7 @@ void StructMapping::setNumber(
}
}
void StructMapping::setChars(
size_t StructMapping::setChars(
ubyte* dst, std::string_view value, const std::string& name
) {
const auto& field = requreField(name);
@ -111,8 +113,23 @@ void StructMapping::setChars(
throw std::runtime_error("'char' field type required");
}
auto ptr = reinterpret_cast<char*>(dst + field.offset);
std::memcpy(ptr, value.data(),
std::min(value.size(), static_cast<std::size_t>(field.elements)));
auto size = std::min(value.size(), static_cast<std::size_t>(field.elements));
std::memcpy(ptr, value.data(), size);
return size;
}
size_t StructMapping::setUnicode(
ubyte* dst, std::string_view value, const std::string& name
) {
const auto& field = requreField(name);
if (field.type != FieldType::CHAR) {
throw std::runtime_error("'char' field type required");
}
auto text = std::string_view(value.data(), value.size());
size_t size = util::crop_utf8(text, field.elements);
auto ptr = reinterpret_cast<char*>(dst + field.offset);
std::memcpy(ptr, value.data(), size);
return size;
}
template<typename T>
@ -125,7 +142,7 @@ integer_t StructMapping::getInteger(
) const {
const auto& field = requreField(name);
if (index < 0 || index >= field.elements) {
throw std::runtime_error(
throw std::out_of_range(
"index out of bounds [0, "+std::to_string(field.elements)+"]");
}
auto ptr = src + field.offset + index * sizeof_type(field.type);
@ -145,7 +162,7 @@ number_t StructMapping::getNumber(
) const {
const auto& field = requreField(name);
if (index < 0 || index >= field.elements) {
throw std::runtime_error(
throw std::out_of_range(
"index out of bounds [0, "+std::to_string(field.elements)+"]");
}
auto ptr = src + field.offset + index * sizeof_type(field.type);
@ -180,6 +197,6 @@ std::string_view StructMapping::getChars(
if (field.type != FieldType::CHAR) {
throw std::runtime_error("'char' field type required");
}
auto ptr = src + field.offset;
return std::string_view(reinterpret_cast<const char*>(ptr), field.elements);
auto ptr = reinterpret_cast<const char*>(src + field.offset);
return std::string_view(ptr, strnlen(ptr, field.elements));
}