stk-code_catmod/lib/sheenbidi/Source/ScriptStack.h

50 lines
1.6 KiB
C

/*
* Copyright (C) 2018-2019 Muhammad Tayyab Akram
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SB_INTERNAL_SCRIPT_STACK_H
#define _SB_INTERNAL_SCRIPT_STACK_H
#include <SBBase.h>
#include <SBConfig.h>
#define _SBScriptStackCapacity 63
typedef struct _SBScriptStackElement {
SBScript script;
SBCodepoint mirror;
} _SBScriptStackElement;
typedef struct _SBScriptStack {
_SBScriptStackElement _elements[_SBScriptStackCapacity];
SBInteger top;
SBUInteger count;
SBUInteger open;
} ScriptStack, *ScriptStackRef;
SB_INTERNAL void ScriptStackReset(ScriptStackRef stack);
SB_INTERNAL void ScriptStackPush(ScriptStackRef stack, SBScript script, SBCodepoint mirror);
SB_INTERNAL void ScriptStackPop(ScriptStackRef stack);
SB_INTERNAL void ScriptStackLeavePairs(ScriptStackRef stack);
SB_INTERNAL void ScriptStackSealPairs(ScriptStackRef stack, SBScript script);
SB_INTERNAL SBBoolean ScriptStackIsEmpty(ScriptStackRef stack);
SB_INTERNAL SBScript ScriptStackGetScript(ScriptStackRef stack);
SB_INTERNAL SBCodepoint ScriptStackGetMirror(ScriptStackRef stack);
#endif