mirror of https://github.com/dnomd343/ClearDNS
18 changed files with 275 additions and 168 deletions
@ -1,12 +1,17 @@ |
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#pragma once |
#pragma once |
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/* Generated with cbindgen:0.23.0 */ |
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#include <stdarg.h> |
#include <stdarg.h> |
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#include <stdbool.h> |
#include <stdbool.h> |
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#include <stdint.h> |
#include <stdint.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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/**
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* Free the exported c-style string. |
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*/ |
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void free_rust_string(const char *ptr); |
void free_rust_string(const char *ptr); |
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const char *to_json_ffi(const char *content); |
/**
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* Format the input text into JSON format and return a c-style string, or return |
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* `NULL` if an error occurs. |
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*/ |
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const char *to_json(const char *content); |
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@ -1,3 +1,3 @@ |
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language = "C" |
language = "C" |
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pragma_once = true |
pragma_once = true |
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include_version = true |
include_version = false |
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@ -1,27 +1,130 @@ |
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use crate::json::to_json; |
use std::os::raw::c_char; |
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use std::ffi::{c_char, CStr, CString}; |
use std::ffi::{CStr, CString}; |
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use crate::parser::{parser, Value}; |
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fn to_c_string(string: String) -> *const c_char { // fetch c-style ptr of string
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/// Load c-style string from `const char *` pointer.
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CString::new(string).unwrap().into_raw() |
#[inline] |
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unsafe fn load_c_string(ptr: *const c_char) -> String { |
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CString::from(CStr::from_ptr(ptr)) |
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.into_string() |
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.unwrap() |
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} |
} |
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unsafe fn load_c_string(ptr: *const c_char) -> String { // load string from c-style ptr
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/// Export c-style string as `const char *` pointer.
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String::from( |
/// # NOTE
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CStr::from_ptr(ptr).to_str().unwrap() |
/// The exported string cannot be freed by the c language `free(void *)` function,
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) |
/// but should use the `free_rust_string` callback function, if this interface is
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/// not called, a memory leak will occur.
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#[inline] |
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fn export_c_string(string: String) -> *const c_char { |
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CString::new(string).unwrap().into_raw() |
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} |
} |
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/// Free the exported c-style string.
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#[no_mangle] |
#[no_mangle] |
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pub unsafe extern "C" fn free_rust_string(ptr: *const c_char) { // free string memory
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pub unsafe extern "C" fn free_rust_string(ptr: *const c_char) { |
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let _ = CString::from_raw(ptr as *mut _); |
let _ = CString::from_raw(ptr as *mut _); // reclaim rust ownership
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} |
} |
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/// Deserialize text content and serialize to JSON format.
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fn json_format(content: &str) -> Option<String> { |
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let result = match parser(&content) { |
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Ok(value) => match value { |
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Value::JSON(json) => serde_json::to_string(&json), |
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Value::YAML(yaml) => serde_json::to_string(&yaml), |
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Value::TOML(toml) => serde_json::to_string(&toml), |
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}, |
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_ => return None, |
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}; |
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match result { |
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Ok(data) => Some(data), |
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Err(_) => None, |
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} |
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} |
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/// Format the input text into JSON format and return a c-style string, or return
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/// `NULL` if an error occurs.
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#[no_mangle] |
#[no_mangle] |
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pub unsafe extern "C" fn to_json_ffi(content: *const c_char) -> *const c_char { |
pub unsafe extern "C" fn to_json(content: *const c_char) -> *const c_char { |
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let content = load_c_string(content); |
let content = load_c_string(content); |
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let result = match to_json(&content) { // convert to JSON format
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match json_format(&content) { |
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Some(data) => export_c_string(data), |
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None => std::ptr::null(), |
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} |
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} |
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#[cfg(test)] |
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mod tests { |
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use super::json_format; |
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const JSON_TEST_STR: &str = r#" |
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{ |
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"int": 123, |
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"bool": true, |
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"float": 3.141592, |
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"string": "json test", |
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"array": [1, 2, 3, 4, 5], |
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"object": { |
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"sub": "test" |
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} |
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} |
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"#; |
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const YAML_TEST_STR: &str = r#" |
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int: 123 |
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bool: true |
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float: 3.141592 |
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string: "json test" |
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array: |
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- 1 |
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- 2 |
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- 3 |
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- 4 |
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- 5 |
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object: |
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sub: test |
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"#; |
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const TOML_TEST_STR: &str = r#" |
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int = 123 |
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bool = true |
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float = 3.141592 |
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string = "json test" |
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array = [ 1, 2, 3, 4, 5 ] |
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[object] |
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sub = "test" |
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"#; |
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#[inline] |
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fn format(raw: &str) -> String { |
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match json_format(raw) { |
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Some(data) => data, |
Some(data) => data, |
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None => String::new(), // convert failed -> empty string
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None => panic!("format error"), |
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}; |
} |
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to_c_string(result) // return c-style ptr
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} |
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#[test] |
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fn json_input() { |
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assert_eq!( |
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format(JSON_TEST_STR), |
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format(&json_format(JSON_TEST_STR).unwrap()), |
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); |
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} |
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#[test] |
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fn yaml_input() { |
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assert_eq!( |
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format(JSON_TEST_STR), |
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format(&json_format(YAML_TEST_STR).unwrap()), |
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); |
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} |
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#[test] |
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fn toml_input() { |
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assert_eq!( |
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format(JSON_TEST_STR), |
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format(&json_format(TOML_TEST_STR).unwrap()), |
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); |
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} |
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} |
} |
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@ -1,21 +0,0 @@ |
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use serde_json as json; |
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use crate::parser::{parser, Value}; |
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fn json_convert(content: &str) -> Result<String, String> { // convert to JSON format
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let data = match parser(content)? { |
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Value::JSON(_json) => json::to_string(&_json), |
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Value::YAML(_yaml) => json::to_string(&_yaml), |
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Value::TOML(_toml) => json::to_string(&_toml), |
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}; |
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match data { |
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Ok(data) => Ok(data), |
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Err(err) => Err(err.to_string()), |
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} |
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} |
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pub fn to_json(content: &str) -> Option<String> { // to JSON string
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match json_convert(content) { |
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Ok(data) => Some(data), |
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Err(_) => None, // convert failed
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} |
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} |
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@ -1,4 +1,2 @@ |
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mod ffi; |
mod ffi; |
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mod json; |
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mod tests; |
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mod parser; |
mod parser; |
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@ -1,80 +0,0 @@ |
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use crate::json::to_json; |
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#[allow(dead_code)] |
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const JSON_TEST_CONTENT: &str = r#" |
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{ |
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"int": 123, |
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"bool": true, |
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"float": 3.141592, |
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"string": "json test", |
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"array": [1, 2, 3, 4, 5], |
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"object": { |
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"sub": "test" |
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} |
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} |
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"#; |
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#[allow(dead_code)] |
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const YAML_TEST_CONTENT: &str = r#" |
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int: 123 |
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bool: true |
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float: 3.141592 |
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string: "json test" |
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array: |
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- 1 |
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- 2 |
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- 3 |
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- 4 |
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- 5 |
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object: |
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sub: test |
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"#; |
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#[allow(dead_code)] |
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const TOML_TEST_CONTENT: &str = r#" |
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int = 123 |
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bool = true |
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float = 3.141592 |
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string = "json test" |
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array = [ 1, 2, 3, 4, 5 ] |
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[object] |
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sub = "test" |
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"#; |
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mod tests { |
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use super::*; |
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#[allow(dead_code)] |
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fn format_json(raw: &str) -> String { |
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match to_json(raw) { |
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Some(data) => data, |
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None => panic!("JSON format error"), |
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} |
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} |
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#[test] |
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fn json_to_json() { |
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assert_eq!( |
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format_json(JSON_TEST_CONTENT), |
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format_json(&to_json(JSON_TEST_CONTENT).unwrap()), |
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); |
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} |
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#[test] |
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fn yaml_to_json() { |
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assert_eq!( |
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format_json(JSON_TEST_CONTENT), |
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format_json(&to_json(YAML_TEST_CONTENT).unwrap()), |
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); |
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} |
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#[test] |
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fn toml_to_json() { |
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assert_eq!( |
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format_json(JSON_TEST_CONTENT), |
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format_json(&to_json(TOML_TEST_CONTENT).unwrap()), |
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); |
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} |
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} |
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