amizing25
44 lines
1.2 KiB
Rust
44 lines
1.2 KiB
Rust
use std::{ffi::CString, fmt::Display};
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use crate::addr::rva_config;
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#[repr(transparent)]
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pub struct Il2cppString(usize);
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impl From<u64> for Il2cppString {
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fn from(value: u64) -> Self {
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Self(value as usize)
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}
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}
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impl Il2cppString {
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pub fn new(string: &str) -> Self {
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let func = unsafe {
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std::mem::transmute::<usize, fn(*const u8, usize) -> usize>(
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rva_config().il2cpp_string_new_len,
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)
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};
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let len = string.len();
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let string = CString::new(string).unwrap();
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let string = string.as_c_str();
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Self(func(string.to_bytes_with_nul().as_ptr(), len))
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}
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pub fn raw(&self) -> u64 {
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self.0 as u64
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}
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}
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impl Display for Il2cppString {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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let str_length = unsafe { *(self.0.wrapping_add(16) as *const u32) };
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let str_ptr = self.0.wrapping_add(20) as *const u8;
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let slice = unsafe { std::slice::from_raw_parts(str_ptr, (str_length * 2) as usize) };
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write!(
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f,
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"{}",
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String::from_utf16le(slice).map_err(|_| std::fmt::Error)?
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)
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}
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}
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