git.delta.rocks / jrsonnet / refs/commits / a7408d3bc96e

1//! Extract values from VM23use jrsonnet_evaluator::{EvaluationState, Val};45use std::{6	ffi::CString,7	os::raw::{c_char, c_double, c_int},8};910#[no_mangle]11pub extern "C" fn jsonnet_json_extract_string(_vm: &EvaluationState, v: &Val) -> *mut c_char {12	match v {13		Val::Str(s) => CString::new(&*s as &str).unwrap().into_raw(),14		_ => std::ptr::null_mut(),15	}16}17#[no_mangle]18pub extern "C" fn jsonnet_json_extract_number(19	_vm: &EvaluationState,20	v: &Val,21	out: &mut c_double,22) -> c_int {23	match v {24		Val::Num(n) => {25			*out = *n;26			127		}28		_ => 0,29	}30}31#[no_mangle]32pub extern "C" fn jsonnet_json_extract_bool(_vm: &EvaluationState, v: &Val) -> c_int {33	match v {34		Val::Bool(false) => 0,35		Val::Bool(true) => 1,36		_ => 2,37	}38}39#[no_mangle]40pub extern "C" fn jsonnet_json_extract_null(_vm: &EvaluationState, v: &Val) -> c_int {41	match v {42		Val::Null => 1,43		_ => 0,44	}45}