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add basic provider-functions

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This commit is contained in:
B. Petersen
2020-01-22 20:59:07 +01:00
parent 0f172595d7
commit 748e54d4c2
6 changed files with 165 additions and 73 deletions
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67
deltachat-ffi/src/lib.rs
View File

@@ -3156,8 +3156,6 @@ pub unsafe extern "C" fn dc_str_unref(s: *mut libc::c_char) {
libc::free(s as *mut _)
}
pub mod providers;
pub trait ResultExt<T, E> {
fn unwrap_or_log_default(self, context: &context::Context, message: &str) -> T;
fn log_err(self, context: &context::Context, message: &str) -> Result<T, E>;
@@ -3212,3 +3210,68 @@ fn convert_and_prune_message_ids(msg_ids: *const u32, msg_cnt: libc::c_int) -> V
msg_ids
}
// dc_provider_t
#[no_mangle]
pub type dc_provider_t = provider::Provider;
#[no_mangle]
pub unsafe extern "C" fn dc_provider_new_from_email(
context: *const dc_context_t,
addr: *const libc::c_char,
) -> *const dc_provider_t {
if context.is_null() || addr.is_null() {
eprintln!("ignoring careless call to dc_provider_new_from_email()");
return ptr::null();
}
let addr = to_string_lossy(addr);
match provider::get_provider_info(addr.as_str()) {
Some(provider) => provider,
None => ptr::null_mut(),
}
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_overview_page(
provider: *const dc_provider_t,
) -> *mut libc::c_char {
if provider.is_null() {
eprintln!("ignoring careless call to dc_provider_get_overview_page()");
return "".strdup();
}
let provider = &*provider;
provider.overview_page.strdup()
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_before_login_hint(
provider: *const dc_provider_t,
) -> *mut libc::c_char {
if provider.is_null() {
eprintln!("ignoring careless call to dc_provider_get_before_login_hint()");
return "".strdup();
}
let provider = &*provider;
provider.before_login_hint.strdup()
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_status(provider: *const dc_provider_t) -> libc::c_int {
if provider.is_null() {
eprintln!("ignoring careless call to dc_provider_get_status()");
return 0;
}
let provider = &*provider;
provider.status as libc::c_int
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_unref(provider: *mut dc_provider_t) {
if provider.is_null() {
eprintln!("ignoring careless call to dc_provider_unref()");
return;
}
// currently, there is nothing to free, the provider info is a static object.
// this may change once we start localizing string.
}

67
deltachat-ffi/src/providers.rs
View File

@@ -1,67 +0,0 @@
extern crate deltachat_provider_database;
use std::ptr;
use crate::string::{to_string_lossy, StrExt};
use deltachat_provider_database::StatusState;
#[no_mangle]
pub type dc_provider_t = deltachat_provider_database::Provider;
#[no_mangle]
pub unsafe extern "C" fn dc_provider_new_from_email(
email: *const libc::c_char,
) -> *const dc_provider_t {
let email = to_string_lossy(email);
let domain = deltachat_provider_database::get_domain_from_email(&email);
match deltachat_provider_database::get_provider_info(domain) {
Some(provider) => provider,
None => ptr::null(),
}
}
macro_rules! null_guard {
($context:tt) => {
if $context.is_null() {
return ptr::null_mut() as *mut libc::c_char;
}
};
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_overview_page(
provider: *const dc_provider_t,
) -> *mut libc::c_char {
null_guard!(provider);
format!(
"{}/{}",
deltachat_provider_database::PROVIDER_OVERVIEW_URL,
(*provider).overview_page
)
.strdup()
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_before_login_hints(
provider: *const dc_provider_t,
) -> *mut libc::c_char {
null_guard!(provider);
(*provider).markdown.strdup()
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_get_status(provider: *const dc_provider_t) -> u32 {
if provider.is_null() {
return 0;
}
match (*provider).status.state {
StatusState::OK => 1,
StatusState::PREPARATION => 2,
StatusState::BROKEN => 3,
}
}
#[no_mangle]
pub unsafe extern "C" fn dc_provider_unref(_provider: *const dc_provider_t) {}
// TODO expose general provider overview url?