Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "sandbox/win/src/line_break_dispatcher.h"
#include "sandbox/win/src/line_break_common.h"
#include "sandbox/win/src/line_break_policy.h"
#include "sandbox/win/src/ipc_tags.h"
#include "sandbox/win/src/policy_params.h"
namespace sandbox {
LineBreakDispatcher::LineBreakDispatcher(PolicyBase* policy_base)
: policy_base_(policy_base) {
static const IPCCall get_complex_line_breaks = {
{IpcTag::GETCOMPLEXLINEBREAKS, {INPTR_TYPE, UINT32_TYPE, INOUTPTR_TYPE}},
reinterpret_cast<CallbackGeneric>(
&LineBreakDispatcher::GetComplexLineBreaksCall)};
ipc_calls_.push_back(get_complex_line_breaks);
}
bool LineBreakDispatcher::SetupService(InterceptionManager* manager,
IpcTag service) {
// We perform no interceptions for line breaking right now.
switch (service) {
case IpcTag::GETCOMPLEXLINEBREAKS:
return true;
default:
return false;
}
}
bool LineBreakDispatcher::GetComplexLineBreaksCall(
IPCInfo* ipc, CountedBuffer* text_buf, uint32_t length,
CountedBuffer* break_before_buf) {
if (length > kMaxBrokeredLen ||
text_buf->Size() != length * sizeof(wchar_t) ||
break_before_buf->Size() != length) {
return false;
}
CountedParameterSet<EmptyParams> params;
EvalResult eval =
policy_base_->EvalPolicy(IpcTag::GETCOMPLEXLINEBREAKS, params.GetBase());
auto* text = static_cast<wchar_t*>(text_buf->Buffer());
auto* break_before = static_cast<uint8_t*>(break_before_buf->Buffer());
ipc->return_info.win32_result =
LineBreakPolicy::GetComplexLineBreaksProxyAction(eval, text, length,
break_before);
return true;
}
} // namespace sandbox