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feat: implement from_hex helper function #75

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24f9890
feat: add `from_hex` implementation
mrantivirus Jan 7, 2025
5313862
test: add tests for `from_hex`
mrantivirus Jan 7, 2025
dd9ef2f
test: add module test for clear example of exports
mrantivirus Jan 7, 2025
286d012
chore: bump react native patch version
mrantivirus Jan 7, 2025
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ import {
crypto_sign_SEEDBYTES,
crypto_sign_verify_detached,
from_base64,
from_hex,
randombytes_buf,
randombytes_uniform,
to_base64,
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36 changes: 36 additions & 0 deletions cpp/react-native-libsodium.cpp
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Expand Up @@ -309,6 +309,42 @@ namespace ReactNativeLibsodium

jsiRuntime.global().setProperty(jsiRuntime, "jsi_to_base64", std::move(jsi_to_base64));

auto jsi_from_hex_to_arraybuffer = jsi::Function::createFromHostFunction(
jsiRuntime,
jsi::PropNameID::forUtf8(jsiRuntime, "from_hex"),
2,
[](jsi::Runtime &runtime, const jsi::Value &thisValue, const jsi::Value *arguments, size_t count) -> jsi::Value
{
const std::string functionName = "from_hex";

std::string valueArgumentName = "value";
unsigned int valueArgumentPosition = 0;
validateRequired(functionName, runtime, arguments[valueArgumentPosition], valueArgumentName);

std::string hexString = arguments[0].asString(runtime).utf8(runtime);

std::vector<uint8_t> uint8Vector;
uint8Vector.resize(hexString.size());

size_t length = 0;
int result = sodium_hex2bin(
reinterpret_cast<unsigned char *>(uint8Vector.data()),
uint8Vector.size(),
reinterpret_cast<const char *>(hexString.data()),
hexString.size(),
nullptr,
&length,
nullptr);

throwOnBadResult(functionName, runtime, result);

uint8Vector.resize(length);
jsi::Object returnBufferAsObject = arrayBufferAsObject(runtime, uint8Vector);
return returnBufferAsObject;
});

jsiRuntime.global().setProperty(jsiRuntime, "jsi_from_hex_to_arraybuffer", std::move(jsi_from_hex_to_arraybuffer));

auto jsi_to_hex = jsi::Function::createFromHostFunction(
jsiRuntime,
jsi::PropNameID::forUtf8(jsiRuntime, "jsi_to_hex"),
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13 changes: 13 additions & 0 deletions example/ios/LibsodiumExample.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -572,6 +572,7 @@
GCC_PREPROCESSOR_DEFINITIONS = (
"DEBUG=1",
"$(inherited)",
_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION,
);
GCC_SYMBOLS_PRIVATE_EXTERN = NO;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
Expand All @@ -598,6 +599,10 @@
"-DFOLLY_MOBILE=1",
"-DFOLLY_USE_LIBCPP=1",
);
OTHER_LDFLAGS = (
"$(inherited)",
" ",
);
REACT_NATIVE_PATH = "${PODS_ROOT}/../../node_modules/react-native";
SDKROOT = iphoneos;
};
Expand Down Expand Up @@ -639,6 +644,10 @@
"EXCLUDED_ARCHS[sdk=iphonesimulator*]" = i386;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_NO_COMMON_BLOCKS = YES;
GCC_PREPROCESSOR_DEFINITIONS = (
"$(inherited)",
_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION,
);
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
Expand All @@ -662,6 +671,10 @@
"-DFOLLY_MOBILE=1",
"-DFOLLY_USE_LIBCPP=1",
);
OTHER_LDFLAGS = (
"$(inherited)",
" ",
);
REACT_NATIVE_PATH = "${PODS_ROOT}/../../node_modules/react-native";
SDKROOT = iphoneos;
VALIDATE_PRODUCT = YES;
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