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interface_sdk_c/inputmethod/include/inputmethod_private_command_capi.h
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g30043150 6be664cbf6 英文SDK回刷
Signed-off-by: g30043150 <guojin31@h-partners.com>
2026-08-20 20:55:44 +08:00

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C

/*
* Copyright (c) 2024 Huawei Device Co., Ltd.
* 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.
*/
/**
* @addtogroup InputMethod
* @{
*
* @brief InputMethod provides functions to use input methods.
*
* @since 12
*/
/**
* @file inputmethod_private_command_capi.h
*
* @brief Provides methods for creating, destroying, reading, and writing private data objects.
*
* @include <inputmethod/inputmethod_private_command_capi.h>
* @library libohinputmethod.so
* @kit IMEKit
* @syscap SystemCapability.MiscServices.InputMethodFramework
* @since 12
* @version 1.0
*/
#ifndef OHOS_INPUTMETHOD_PRIVATE_COMMAND_CAPI_H
#define OHOS_INPUTMETHOD_PRIVATE_COMMAND_CAPI_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "inputmethod_types_capi.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @brief Represents the private data exchanged between the text box and the input method application.
*
* @since 12
*/
typedef struct InputMethod_PrivateCommand InputMethod_PrivateCommand;
/**
* @brief Create a new {@link InputMethod_PrivateCommand} instance.
*
* @param key The key of the private command.
* @param keyLength Key length. The total size of all private data and keys in a single operation cannot exceed 32 KB.
* @return If the creation succeeds, a pointer to the newly created {@link InputMethod_PrivateCommand}
* instance is returned. If the creation fails, NULL is returned, possible cause is insufficient memory.
* @since 12
*/
InputMethod_PrivateCommand *OH_PrivateCommand_Create(char key[], size_t keyLength);
/**
* @brief Destroy a {@link InputMethod_PrivateCommand} instance.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be destroyed.
* @since 12
*/
void OH_PrivateCommand_Destroy(InputMethod_PrivateCommand *command);
/**
* @brief Set key value into {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be set value.
* @param key Represents key value.
* @param keyLength Represents key length.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_SetKey(InputMethod_PrivateCommand *command, char key[], size_t keyLength);
/**
* @brief Set bool data value into {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be set value.
* @param value Represents bool data value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_SetBoolValue(InputMethod_PrivateCommand *command, bool value);
/**
* @brief Set integer data value into {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be set value.
* @param value Represents integer data value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_SetIntValue(InputMethod_PrivateCommand *command, int32_t value);
/**
* @brief Set string data value into {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be set value.
* @param value Represents string data value.
* @param valueLength Represents the length of string data value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_SetStrValue(
InputMethod_PrivateCommand *command, char value[], size_t valueLength);
/**
* @brief Get key value from {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be get value from.
* @param key The lifespan of key is consistent with that of command.
* You are advised to copy instead of directly saving the key address or writing key.
* @param keyLength Represents key length.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_GetKey(
InputMethod_PrivateCommand *command, const char **key, size_t *keyLength);
/**
* @brief Get value type from {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be get value from.
* @param type Represents a pointer to a {@link InputMethod_CommandValueType} instance.
* Indicates the data type of the value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_GetValueType(
InputMethod_PrivateCommand *command, InputMethod_CommandValueType *type);
/**
* @brief Get bool data value from {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be get value from.
* @param value Represents bool data value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>{@link IME_ERR_QUERY_FAILED} - query failed, no bool value in command.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_GetBoolValue(InputMethod_PrivateCommand *command, bool *value);
/**
* @brief Get integer data value from {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be get value from.
* @param value Represents integer data value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>{@link IME_ERR_QUERY_FAILED} - query failed, no integer value in command.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_GetIntValue(InputMethod_PrivateCommand *command, int32_t *value);
/**
* @brief Get string data value from {@link InputMethod_PrivateCommand}.
*
* @param command Represents a pointer to an {@link InputMethod_PrivateCommand} instance which will be get value from.
* @param value Represents string data value.
* @param valueLength The lifespan of value is consistent with that of command.
* You are advised to copy instead of directly saving the value address or writing value.
* @return Returns a specific error code.
* <br>{@link IME_ERR_OK} - success.
* <br>{@link IME_ERR_NULL_POINTER} - unexpected null pointer.
* <br>{@link IME_ERR_QUERY_FAILED} - query failed, no string value in command.
* <br>Specific error codes can be referenced {@link InputMethod_ErrorCode}.
* @since 12
*/
InputMethod_ErrorCode OH_PrivateCommand_GetStrValue(
InputMethod_PrivateCommand *command, const char **value, size_t *valueLength);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/** @} */
#endif // OHOS_INPUTMETHOD_PRIVATE_COMMAND_CAPI_H