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#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
pub mod decimal;
pub mod int;
pub mod reader;
pub mod result;
pub mod string;
pub mod timestamp;
pub mod writer;
include!(concat!(env!("OUT_DIR"), "/ionc_bindings.rs"));
use crate::decimal::IonDecimalPtr;
use crate::int::IonIntPtr;
use crate::result::*;
use crate::timestamp::Mantissa::*;
use crate::timestamp::TSOffsetKind::*;
use crate::timestamp::TSPrecision::*;
use crate::timestamp::{IonDateTime, Mantissa, TSOffsetKind, TS_MAX_MANTISSA_DIGITS};
use std::cmp::min;
use std::convert::TryInto;
use std::marker::PhantomData;
use std::ptr;
use std::str::Utf8Error;
use std::{slice, str};
use bigdecimal::{BigDecimal, ToPrimitive, Zero};
use chrono::offset::FixedOffset;
use chrono::{Datelike, LocalResult, TimeZone, Timelike};
use num_bigint::{BigInt, Sign};
use paste::paste;
#[cfg(test)]
use rstest_reuse;
impl ION_INT {
pub fn try_assign_bigint(&mut self, src: &BigInt) -> IonCResult<()> {
let (sign, mut raw_mag) = src.to_bytes_be();
let is_neg = match sign {
Sign::Minus => 1,
_ => 0,
};
ionc!(ion_int_from_abs_bytes(
&mut *self,
raw_mag.as_mut_ptr(),
raw_mag.len().try_into()?,
is_neg
))?;
Ok(())
}
pub fn try_to_bigint(&self) -> IonCResult<BigInt> {
if self._digits.is_null() {
return Err(IonCError::from(ion_error_code_IERR_NULL_VALUE));
}
if self._len < 0 {
return Err(IonCError::from(ion_error_code_IERR_INVALID_ARG));
}
if self._signum < -1 || self._signum > 1 {
return Err(IonCError::from(ion_error_code_IERR_INVALID_ARG));
}
let src_digits = unsafe { slice::from_raw_parts(self._digits, self._len.try_into()?) };
const ION_INT_BITS: u64 = 31;
const BIGINT_BITS: u64 = 32;
const ION_INT_DIGIT_MASK: u64 = 0x7FFF_FFFF;
let tgt_len = (((self._len as u64) * ION_INT_BITS) / BIGINT_BITS) + 1;
let mut digits = vec![0u32; tgt_len.try_into()?];
let mut bits_written = 0u64;
for src_digit in src_digits.iter().rev() {
let src_digit = (*src_digit as u64) & ION_INT_DIGIT_MASK;
let tgt_idx = (bits_written >> 5) as usize;
let filled_bits = bits_written & 0x1F;
let avail_bits = BIGINT_BITS - filled_bits;
let rem_bits = ION_INT_BITS - min(ION_INT_BITS, avail_bits);
let old_tgt_digit = digits[tgt_idx];
let high_bit_mask = (src_digit << filled_bits) as u32;
let new_tgt_digit = old_tgt_digit | high_bit_mask;
digits[tgt_idx] = new_tgt_digit;
if tgt_idx + 1 < digits.len() && rem_bits > 0 {
let next_idx = tgt_idx + 1;
let shift_bits = ION_INT_BITS - rem_bits;
let next_tgt_digit = (src_digit >> shift_bits) as u32;
digits[next_idx] = next_tgt_digit;
}
bits_written += ION_INT_BITS as u64;
}
const SIGN_TABLE: &[Sign] = &[Sign::Minus, Sign::NoSign, Sign::Plus];
Ok(BigInt::new(SIGN_TABLE[(self._signum + 1) as usize], digits))
}
}
#[cfg(test)]
mod test_bigint {
use crate::int::*;
use crate::result::*;
use crate::*;
use rstest::rstest;
use rstest_reuse::{self, *};
use num_bigint::BigInt;
use num_bigint::Sign::{self, *};
#[template]
#[rstest(
lit,
sign,
case::zero("0", NoSign),
case::pos_31_bit("1576217826", Plus),
case::neg_31_bit("-1135682218", Minus),
case::pos_62_bit("4044881356853627201", Plus),
case::neg_62_bit("-3912230224800585615", Minus),
case::pos_80_bit("739079489563988370954567", Plus),
case::neg_80_bit("-1086195751445330490038795", Minus),
case::pos_256_bit(
"137867910096739512996847672171101012368076859213341045932878406344693462874820",
Plus,
),
case::neg_256_bit(
"-172272298565065214306566076919200322665607032158922187439565911507697602517448",
Minus,
),
case::pos_280_bit(
"1757357796823956205198798709416201514711937158830789249081025568737706527211427788829",
Plus,
),
case::neg_280_bit(
"-1075268761612498909802747877455511969232059561308078408290306546278351574885791689247",
Minus,
)
)]
fn bigint(lit: &str, sign: Sign) {}
#[apply(bigint)]
fn try_assign_bigint(lit: &str, sign: Sign) -> IonCResult<()> {
let big_val = BigInt::parse_bytes(lit.as_bytes(), 10).unwrap();
let mut ion_val = IonIntPtr::try_from_bigint(&big_val)?;
let mut buf = vec![0u8; 512];
let mut len = 0;
ionc!(ion_int_to_char(
ion_val.as_mut_ptr(),
buf.as_mut_ptr(),
buf.len().try_into()?,
&mut len
))?;
let expected_signum = match sign {
Minus => -1,
NoSign => 0,
Plus => 1,
};
let mut actual_signum = 0;
ionc!(ion_int_signum(ion_val.as_mut_ptr(), &mut actual_signum))?;
assert_eq!(expected_signum, actual_signum);
assert_eq!(lit.as_bytes(), &buf[0..len.try_into()?]);
Ok(())
}
#[apply(bigint)]
fn try_to_bigint(lit: &str, sign: Sign) -> IonCResult<()> {
let mut ion_val = IonIntPtr::try_new()?;
let mut ion_str = ION_STRING::try_from_str(lit)?;
ionc!(ion_int_from_string(ion_val.as_mut_ptr(), &mut ion_str))?;
let big_val = ion_val.try_to_bigint()?;
assert_eq!(sign, big_val.sign());
assert_eq!(lit, big_val.to_string().as_str());
Ok(())
}
}
#[inline]
fn make_context() -> decContext {
let mut ctx = decContext::default();
unsafe { decContextDefault(&mut ctx, DEC_INIT_DECQUAD as i32) };
ctx.digits = DEC_MAX_DIGITS as i32;
ctx.emax = DEC_MAX_EMAX as i32;
ctx.emin = DEC_MIN_EMIN as i32;
ctx.clamp = 0;
ctx
}
const DEC_NUMBER_ERROR_MSG: &str = "DecNumber Not Supported";
impl ION_DECIMAL {
pub fn try_assign_bigdecimal(&mut self, value: &BigDecimal) -> IonCResult<()> {
let digits = value.digits();
ionc!(ion_decimal_free(self))?;
if digits > (DECQUAD_Pmax as u64) {
self.type_ = ION_DECIMAL_TYPE_ION_DECIMAL_TYPE_NUMBER;
ionc!(_ion_decimal_number_alloc(
ptr::null_mut(),
digits.try_into()?,
&mut self.value.num_value,
))?;
} else {
self.type_ = ION_DECIMAL_TYPE_ION_DECIMAL_TYPE_QUAD;
}
ionc!(ion_decimal_zero(self))?;
let mut ctx = make_context();
let (coefficient, scale) = value.as_bigint_and_exponent();
let mut ion_coefficient = IonIntPtr::try_from_bigint(&coefficient)?;
ionc!(ion_decimal_from_ion_int(
self,
&mut ctx,
ion_coefficient.as_mut_ptr()
))?;
let mut dec_scale = IonDecimalPtr::try_from_i32((-scale).try_into()?)?;
ionc!(ion_decimal_scaleb(
self,
self,
dec_scale.as_mut_ptr(),
&mut ctx
))?;
match unsafe { decContextGetStatus(&mut ctx) } {
0 => Ok(()),
DEC_Invalid_context => Err(IonCError::with_additional(
ion_error_code_IERR_INVALID_STATE,
DEC_NUMBER_ERROR_MSG,
)),
_ => Err(IonCError::from(ion_error_code_IERR_INTERNAL_ERROR)),
}
}
pub fn try_to_bigdecimal(&mut self) -> IonCResult<BigDecimal> {
let special =
unsafe { ion_decimal_is_nan(self) } | unsafe { ion_decimal_is_infinite(self) };
if special != 0 {
return Err(IonCError::from(ion_error_code_IERR_INVALID_ARG));
}
let exponent = unsafe { ion_decimal_get_exponent(self) };
let mut ctx = make_context();
let mut scale_amount = IonDecimalPtr::try_from_i32(-exponent)?;
ionc!(ion_decimal_scaleb(
self,
self,
scale_amount.as_mut_ptr(),
&mut ctx
))?;
let mut ion_coefficient = IonIntPtr::try_new()?;
ionc!(ion_decimal_to_ion_int(
self,
&mut ctx,
ion_coefficient.as_mut_ptr()
))?;
ionc!(ion_decimal_from_int32(scale_amount.as_mut_ptr(), exponent))?;
ionc!(ion_decimal_scaleb(
self,
self,
scale_amount.as_mut_ptr(),
&mut ctx
))?;
let coefficient = ion_coefficient.try_to_bigint()?;
Ok(BigDecimal::new(coefficient, -exponent as i64))
}
}
#[cfg(test)]
mod test_bigdecimal {
#![allow(unused_variables)]
use crate::decimal::*;
use crate::result::*;
use crate::*;
use rstest::rstest;
use rstest_reuse::{self, *};
use std::ffi::CString;
use bigdecimal::BigDecimal;
use num_bigint::BigInt;
use std::os::raw::c_char;
#[template]
#[rstest(
d_lit, c_lit, exponent,
case::zero("0E0", "0", 0),
case::zero_p1_en8("0E-8", "0", -8),
case::n8_en9(
"-0.060231219",
"-60231219",
-9
),
case::p8_en9(
"0.060231219",
"60231219",
-9
),
case::n8_e7(
"-2.7851880E+14",
"-27851880",
7
),
case::p8_e7(
"2.7851880E+14",
"27851880",
7
),
case::n10_en32(
"-8.960115983E-23",
"-8960115983",
-32
),
case::p10_en32(
"8.960115983E-23",
"8960115983",
-32
),
case::n10_e33(
"-9.020634788E+42",
"-9020634788",
33
),
case::p10_e33(
"9.020634788E+42",
"9020634788",
33
),
case::p28_en200(
"6.262354479103128947759990609E-173",
"6262354479103128947759990609",
-200
),
case::p28_e256(
"9.486968202420944975464220485E+283",
"9486968202420944975464220485",
256
),
case::p30_en80(
"1.95671174876514167707949046494E-51",
"195671174876514167707949046494",
-80
),
case::p30_e85(
"6.50276908237082165030429776240E+114",
"650276908237082165030429776240",
85
),
case::p32_en2500(
"4.1111441587902074230255158471962E-2469",
"41111441587902074230255158471962",
-2500
),
case::p32_e2000(
"2.9557665423302931520009385209142E+2031",
"29557665423302931520009385209142",
2000
),
case::p34_en6100(
"7.550261799183309871071383313529625E-6067",
"7550261799183309871071383313529625",
-6100
),
case::p34_e6110(
"6.385180511995820599706505142429397E+6143",
"6385180511995820599706505142429397",
6110
),
case::p35_en5500(
"5.7516904150035820771702738217456585E-5466",
"57516904150035820771702738217456585",
-5500
),
case::p35_e4500(
"7.7008733801862767698341856677462573E+4534",
"77008733801862767698341856677462573",
4500
),
case::p37_en5000(
"4.623874712756984956766514373293465450E-4964",
"4623874712756984956766514373293465450",
-5000
),
case::p37_e6000(
"9.970304500552494301196940956407522192E+6036",
"9970304500552494301196940956407522192",
6000
),
case::p38_en110(
"5.9025723530133359201873978774331457987E-73",
"59025723530133359201873978774331457987",
-110
),
case::p38_e120(
"1.9141033431585215614236049655094977149E+157",
"19141033431585215614236049655094977149",
120
),
case::p80_en100(
"4.4818084368071883463971983799827359329516552715395136426901699171061657459862827E-21",
"44818084368071883463971983799827359329516552715395136426901699171061657459862827",
-100
),
case::p80_e100(
"1.1050923646496935500303958597719760541602476378798913802309108901778807590265278E+279",
"11050923646496935500303958597719760541602476378798913802309108901778807590265278",
200
),
case::p90_en7500(
"4.29926815238794553771012929776377470059985366468509955296419658127318674237363065734779169E-7411",
"429926815238794553771012929776377470059985366468509955296419658127318674237363065734779169",
-7500
),
case::p95_e8900(
"7.2528362571947544011741381371920928164665526193613163529470013995124245887784236337589645597617E+8994",
"72528362571947544011741381371920928164665526193613163529470013995124245887784236337589645597617",
8900
),
)]
fn bigdecimal(d_lit: &str, c_lit: &str, exponent: i32) {}
#[apply(bigdecimal)]
fn try_assign_bigdecimal(d_lit: &str, c_lit: &str, exponent: i32) -> IonCResult<()> {
let big_val = BigDecimal::parse_bytes(d_lit.as_bytes(), 10).unwrap();
match IonDecimalPtr::try_from_bigdecimal(&big_val) {
Ok(mut ion_val) => {
let actual_exponent = unsafe { ion_decimal_get_exponent(ion_val.as_mut_ptr()) };
let mut buf = vec![0u8; 128usize];
ionc!(ion_decimal_to_string(
ion_val.as_mut_ptr(),
buf.as_mut_ptr() as *mut c_char
))?;
let len = unsafe { strlen(buf.as_ptr() as *const c_char) };
assert_eq!(
d_lit.replace("E", "d"),
str::from_utf8(&buf[0..len.try_into()?]).unwrap(),
"Testing string serialization from ION_DECIMAL"
);
assert_eq!(exponent, actual_exponent, "Testing exponents");
}
Err(e) => match e.code {
ion_error_code_IERR_INVALID_STATE => match e.additional {
DEC_NUMBER_ERROR_MSG => println!("Ignoring amzn/ion-rust#79 for {}", d_lit),
_ => assert!(false, "Unexpected error {:?}", e),
},
_ => assert!(false, "Unexpected error: {:?}", e),
},
}
Ok(())
}
#[apply(bigdecimal)]
fn try_to_bigdecimal(d_lit: &str, c_lit: &str, exponent: i32) -> IonCResult<()> {
let cstring = CString::new(d_lit).unwrap();
let mut ctx = make_context();
let mut ion_val = IonDecimalPtr::try_from_existing(ION_DECIMAL::default())?;
ionc!(ion_decimal_from_string(
ion_val.as_mut_ptr(),
cstring.as_ptr(),
&mut ctx
))?;
let big_val = ion_val.try_to_bigdecimal()?;
assert_eq!(
big_val,
ion_val.try_to_bigdecimal()?,
"Make sure conversion is effectively immutable"
);
let expected_coefficient = BigInt::parse_bytes(c_lit.as_bytes(), 10).unwrap();
let (actual_coefficient, scale) = big_val.as_bigint_and_exponent();
assert_eq!(
expected_coefficient, actual_coefficient,
"Testing coefficents"
);
assert_eq!(exponent, (-scale).try_into()?, "Testing exponents");
Ok(())
}
}
const SEC_IN_MINS: i32 = 60;
const NS_IN_SEC: u32 = 1_000_000_000;
impl ION_TIMESTAMP {
pub fn try_assign_from_iondt(&mut self, ion_dt: &IonDateTime) -> IonCResult<()> {
let dt = ion_dt.as_datetime();
let prec = ion_dt.precision();
let offset_kind = ion_dt.offset_kind();
self.month = 1;
self.day = 1;
self.hours = 0;
self.minutes = 0;
self.seconds = 0;
unsafe {
decQuadZero(&mut self.fraction);
}
self.tz_offset = 0;
self.precision = 0;
self.year = dt.year().try_into()?;
if *prec >= Month {
self.month = dt.month().try_into()?;
if *prec >= Day {
self.day = dt.day().try_into()?;
if *prec >= Minute {
self.hours = dt.hour().try_into()?;
self.minutes = dt.minute().try_into()?;
if *prec >= Second {
self.seconds = dt.second().try_into()?;
if let Fractional(mantissa) = prec {
self.try_assign_mantissa(dt, mantissa)?;
}
}
}
}
}
self.precision = match prec {
Year => ION_TS_YEAR,
Month => ION_TS_MONTH,
Day => ION_TS_DAY,
Minute => ION_TS_MIN,
Second => ION_TS_SEC,
Fractional(_) => ION_TS_FRAC,
} as u8;
match offset_kind {
KnownOffset => {
let offset_minutes = dt.offset().local_minus_utc() / SEC_IN_MINS;
ionc!(ion_timestamp_set_local_offset(self, offset_minutes))?;
}
UnknownOffset => {
ionc!(ion_timestamp_unset_local_offset(self))?;
}
}
Ok(())
}
fn try_assign_mantissa<T>(&mut self, dt: &T, mantissa: &Mantissa) -> IonCResult<()>
where
T: Timelike,
{
let mut ctx = make_context();
match mantissa {
Digits(digits) => {
unsafe {
let nanos = dt.nanosecond();
decQuadFromUInt32(&mut self.fraction, nanos);
let mut shift = decQuad::default();
decQuadFromInt32(
&mut shift,
(*digits as i32) - (TS_MAX_MANTISSA_DIGITS as i32),
);
decQuadShift(&mut self.fraction, &self.fraction, &shift, &mut ctx);
let mut scale = decQuad::default();
decQuadFromInt32(&mut scale, -(*digits as i32));
decQuadScaleB(&mut self.fraction, &self.fraction, &scale, &mut ctx);
}
}
Fraction(frac) => {
let ion_frac = IonDecimalPtr::try_from_bigdecimal(frac)?;
if ion_frac.type_ != ION_DECIMAL_TYPE_ION_DECIMAL_TYPE_QUAD {
return Err(IonCError::with_additional(
ion_error_code_IERR_INVALID_TIMESTAMP,
"Precision exceeds decQuad for Timestamp",
));
}
unsafe {
self.fraction = (*ion_frac).value.quad_value;
}
}
}
Ok(())
}
pub fn try_to_iondt(&mut self) -> IonCResult<IonDateTime> {
let mut prec = 0;
ionc!(ion_timestamp_get_precision(self, &mut prec))?;
let prec = prec as u32;
let mut offset_minutes = 0;
let mut has_offset = 0;
if prec >= ION_TS_MIN {
ionc!(ion_timestamp_has_local_offset(self, &mut has_offset))?;
if has_offset != 0 {
ionc!(ion_timestamp_get_local_offset(self, &mut offset_minutes))?;
}
}
let offset_seconds = (offset_minutes as i32) * SEC_IN_MINS;
let tz = FixedOffset::east_opt(offset_seconds)
.ok_or_else(|| IonCError::from(ion_error_code_IERR_INVALID_STATE))?;
let ts_offset = if has_offset != 0 {
TSOffsetKind::KnownOffset
} else {
TSOffsetKind::UnknownOffset
};
let day = if prec >= ION_TS_DAY { self.day } else { 1 };
let month = if prec >= ION_TS_MONTH { self.month } else { 1 };
match tz.ymd_opt(self.year as i32, month as u32, day as u32) {
LocalResult::Single(date) => {
let mut hours = 0;
let mut minutes = 0;
let mut seconds = 0;
if prec >= ION_TS_MIN {
hours = self.hours;
minutes = self.minutes;
seconds = self.seconds;
}
let frac_seconds = if prec >= ION_TS_FRAC {
IonDecimalPtr::try_from_decquad(self.fraction)?.try_to_bigdecimal()?
} else {
BigDecimal::zero()
};
if frac_seconds < BigDecimal::zero() || frac_seconds >= BigDecimal::from(1) {
return Err(IonCError::from(ion_error_code_IERR_INVALID_STATE));
}
let nanos = (&frac_seconds * BigDecimal::from(NS_IN_SEC))
.abs()
.to_u32()
.unwrap();
let dt = date
.and_hms_nano_opt(hours as u32, minutes as u32, seconds as u32, nanos)
.ok_or_else(|| {
IonCError::with_additional(
ion_error_code_IERR_INVALID_TIMESTAMP,
"Could not create DateTime",
)
})?;
let ts_prec = match prec {
ION_TS_YEAR => Year,
ION_TS_MONTH => Month,
ION_TS_DAY => Day,
ION_TS_MIN => Minute,
ION_TS_SEC => Second,
ION_TS_FRAC => {
let (_, exponent) = frac_seconds.as_bigint_and_exponent();
let mantissa = if exponent <= TS_MAX_MANTISSA_DIGITS {
Digits(exponent as u32)
} else {
Fraction(frac_seconds)
};
Fractional(mantissa)
}
_ => {
return Err(IonCError::with_additional(
ion_error_code_IERR_INVALID_TIMESTAMP,
"Invalid ION_TIMESTAMP precision",
))
}
};
Ok(IonDateTime::new(dt, ts_prec, ts_offset))
}
_ => Err(IonCError::with_additional(
ion_error_code_IERR_INVALID_TIMESTAMP,
"Could not create Date",
)),
}
}
}
#[cfg(test)]
mod test_timestamp {
use crate::result::*;
use crate::timestamp::*;
use crate::*;
use rstest::rstest;
use rstest_reuse::{self, *};
use std::ffi::CString;
use std::os::raw::c_char;
use std::str;
use chrono::DateTime;
fn frac(lit: &str) -> Mantissa {
Fraction(BigDecimal::parse_bytes(lit.as_bytes(), 10).unwrap())
}
#[template]
#[rstest(
ion_lit,
iso_lit,
precision,
offset_kind,
case::ts_2020("2020T", "2020-01-01T00:00:00Z", Year, UnknownOffset),
case::ts_1901_04("1901-04T", "1901-04-01T00:00:00Z", Month, UnknownOffset),
case::ts_2014_10_10("2014-10-10", "2014-10-10T00:00:00Z", Day, UnknownOffset),
case::ts_2017_07_07T01_20(
"2017-07-07T01:20-00:00",
"2017-07-07T01:20:00Z",
Minute,
UnknownOffset,
),
case::ts_2018_06_30T03_25_p07_30(
"2018-06-30T03:25+07:30",
"2018-06-30T03:25:00+07:30",
Minute,
KnownOffset,
),
case::ts_2019_04_30T03_25_32(
"2019-04-30T03:25:32-00:00",
"2019-04-30T03:25:32Z",
Second,
UnknownOffset,
),
case::ts_2016_03_30T03_25_32_n00_00_same_as_zulu(
"2016-03-30T03:25:32-00:00",
"2016-03-30T03:25:32Z",
Second,
UnknownOffset,
),
case::ts_2016_03_30T03_25_32_n08_00(
"2016-03-30T03:25:32-08:00",
"2016-03-30T03:25:32-08:00",
Second,
KnownOffset,
),
case::ts_1975_02_19T12_43_55_123_n08_00(
"1975-02-19T12:43:55.123-08:00",
"1975-02-19T12:43:55.123-08:00",
Fractional(Digits(3)),
KnownOffset,
),
case::ts_1975_02_19T12_43_55_001_n08_00(
"1975-02-19T12:43:55.001-08:00",
"1975-02-19T12:43:55.001-08:00",
Fractional(Digits(3)),
KnownOffset,
),
case::ts_1975_02_19T12_43_55_12345_n08_00(
"1975-02-19T12:43:55.12345-08:00",
"1975-02-19T12:43:55.12345-08:00",
Fractional(Digits(5)),
KnownOffset,
),
case::ts_1975_02_19T12_43_55_00005_n08_00(
"1975-02-19T12:43:55.00005-08:00",
"1975-02-19T12:43:55.00005-08:00",
Fractional(Digits(5)),
KnownOffset,
),
case::ts_1975_02_19T12_43_55_012345_n08_00(
"1975-02-19T12:43:55.012345-08:00",
"1975-02-19T12:43:55.012345-08:00",
Fractional(Digits(6)),
KnownOffset,
),
case::ts_1975_02_19T12_43_55_000056_n08_00(
"1975-02-19T12:43:55.000056-08:00",
"1975-02-19T12:43:55.000056-08:00",
Fractional(Digits(6)),
KnownOffset,
),
case::ts_1974_01_20T12_43_55_123456789_n08_00(
"1974-01-20T12:43:55.123456789-08:00",
"1974-01-20T12:43:55.123456789-08:00",
Fractional(Digits(9)),
KnownOffset,
),
case::ts_1974_01_20T12_43_55_000056789_n08_00(
"1974-01-20T12:43:55.000056789-08:00",
"1974-01-20T12:43:55.000056789-08:00",
Fractional(Digits(9)),
KnownOffset,
),
case::ts_1973_12_25T12_43_55_123456789123456789_n08_00_truncation(
"1973-12-25T12:43:55.123456789123456789-08:00",
"1973-12-25T12:43:55.123456789-08:00",
Fractional(frac("0.123456789123456789")),
KnownOffset,
)
)]
fn timestamp(ion_lit: &str, iso_lit: &str, precision: TSPrecision, offset_kind: TSOffsetKind) {}
#[apply(timestamp)]
fn assign_from_datetime(
ion_lit: &str,
iso_lit: &str,
precision: TSPrecision,
offset_kind: TSOffsetKind,
) -> IonCResult<()> {
let dt = DateTime::parse_from_rfc3339(iso_lit).unwrap();
let ion_dt = IonDateTime::try_new(dt, precision, offset_kind)?;
let mut ion_timestamp = ION_TIMESTAMP::default();
ion_timestamp.try_assign_from_iondt(&ion_dt)?;
let mut ctx = make_context();
let mut buf = vec![0u8; 128usize];
let mut read = 0;
ionc!(ion_timestamp_to_string(
&mut ion_timestamp,
buf.as_mut_ptr() as *mut c_char,
buf.len().try_into()?,
&mut read,
&mut ctx
))?;
assert_eq!(
ion_lit,
str::from_utf8(&buf[0..read.try_into()?])?,
"Compare timestamp text serialization"
);
Ok(())
}
#[apply(timestamp)]
fn try_to_datetime(
ion_lit: &str,
iso_lit: &str,
precision: TSPrecision,
offset_kind: TSOffsetKind,
) -> IonCResult<()> {
let c_ion_lit_owned = CString::new(ion_lit).unwrap();
let c_ion_lit = c_ion_lit_owned.as_bytes_with_nul();
let mut ion_timestamp = ION_TIMESTAMP::default();
let mut read = 0;
let mut ctx = make_context();
ionc!(ion_timestamp_parse(
&mut ion_timestamp,
c_ion_lit.as_ptr() as *mut c_char,
c_ion_lit.len().try_into()?,
&mut read,
&mut ctx,
))?;
assert_eq!(
ion_lit.len(),
read.try_into()?,
"Test that we parsed the entire Ion timestamp literal"
);
let expected_dt = DateTime::parse_from_rfc3339(iso_lit).unwrap();
let ion_dt = ion_timestamp.try_to_iondt()?;
assert_eq!(
&expected_dt,
ion_dt.as_datetime(),
"Test that our converted timestamp is equivalent"
);
assert_eq!(
&precision,
ion_dt.precision(),
"Compare timestamp precision"
);
assert_eq!(offset_kind, ion_dt.offset_kind(), "Compare offset kind");
Ok(())
}
}
impl ION_STRING {
#[inline]
pub fn try_from_mut_str(src: &mut str) -> IonCResult<Self> {
unsafe { Self::try_from_mut_bytes(src.as_bytes_mut()) }
}
#[inline]
fn try_from_str(src: &str) -> IonCResult<Self> {
Ok(Self {
value: src.as_ptr() as *mut u8,
length: src.len().try_into()?,
})
}
#[inline]
pub fn try_from_mut_bytes(src: &mut [u8]) -> IonCResult<Self> {
Ok(ION_STRING {
value: src.as_mut_ptr(),
length: src.len().try_into()?,
})
}
#[inline]
pub fn try_as_str(&self) -> IonCResult<&str> {
Ok(str::from_utf8(self.try_as_bytes()?)?)
}
#[inline]
pub fn try_as_bytes<'a>(&'a self) -> IonCResult<&'a [u8]> {
self.as_bytes(PhantomData::<&'a u8>::default())
}
fn as_str<'a>(&self, life: PhantomData<&'a u8>) -> IonCResult<&'a str> {
unsafe {
let raw_slice: &'a [u8] = self.as_bytes(life)?;
let str_slice = str::from_utf8_unchecked(raw_slice);
Ok(str_slice)
}
}
fn as_bytes<'a>(&self, _life: PhantomData<&'a u8>) -> IonCResult<&'a [u8]> {
if self.value.is_null() {
Err(IonCError::from(ion_error_code_IERR_NULL_VALUE))
} else {
unsafe {
let u8_slice = slice::from_raw_parts(self.value, self.length.try_into()?);
Ok(u8_slice)
}
}
}
}
macro_rules! ion_types {
( $($name:ident),* ) => {
$(
paste! {
pub const [<ION_TYPE_ $name:upper>]: *mut ion_type =
[<tid_ $name _INT>] as *mut ion_type;
}
)*
};
}
ion_types!(
none, EOF, NULL, BOOL, INT, FLOAT, DECIMAL, TIMESTAMP, SYMBOL, STRING, CLOB, BLOB, LIST, SEXP,
STRUCT, DATAGRAM
);