148 lines
4.8 KiB
C
148 lines
4.8 KiB
C
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* -----------------------------------------------------------------------------
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* File: Console.c
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* Description:
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* This file contains the functions for reading and writting to the console.
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*
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* Author: Mineplay
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* -----------------------------------------------------------------------------
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*/
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#include "../../Include/Iony/Core/Console.h"
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#include "Iony/Utils/Error.h"
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#if defined(_WIN32)
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#include <windows.h>
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static HANDLE iony_standard_console_out = 0;
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static HANDLE iony_standard_console_in = 0;
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#elif defined(__GNUC__)
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#include "../../Include/Iony/Utils/System.h"
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#endif
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IonyError iony_console_print(const char *text, const long length) {
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if (text == 0) {
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return IONY_ERROR_INVALID_POINTER;
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}
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#if defined(_WIN32)
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if (iony_standard_console_out == 0) {
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iony_standard_console_out = GetStdHandle(STD_OUTPUT_HANDLE);
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if (iony_standard_console_out == INVALID_HANDLE_VALUE) {
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return IONY_ERROR_HANDLE_NOT_FOUND;
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}
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}
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DWORD characters_written;
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if (!WriteFile(iony_standard_console_out, text, length, &characters_written, 0)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#elif defined(__GNUC__)
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if (iony_system_call(IONY_SYS_WRITE, 1, (long)text, length, 0, 0, 0) < 0) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#endif
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return IONY_ERROR_NONE;
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}
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IonyError iony_console_clear(void) {
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#if defined(_WIN32)
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if (iony_standard_console_out == 0) {
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iony_standard_console_out = GetStdHandle(STD_OUTPUT_HANDLE);
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if (iony_standard_console_out == INVALID_HANDLE_VALUE) {
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return IONY_ERROR_HANDLE_NOT_FOUND;
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}
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}
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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DWORD characters_written, cell_count;
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COORD cursor_coords = { 0, 0 };
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if (!GetConsoleScreenBufferInfo(iony_standard_console_out, &console_info)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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cell_count = console_info.dwSize.X * console_info.dwSize.Y;
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if (!FillConsoleOutputCharacterA(iony_standard_console_out, ' ', cell_count, cursor_coords, &characters_written)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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if (!FillConsoleOutputAttribute(iony_standard_console_out, console_info.wAttributes, cell_count, cursor_coords, &characters_written)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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SetConsoleCursorPosition(iony_standard_console_out, cursor_coords);
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#elif defined(__GNUC__)
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const char clear[] = "\033[2J\033[H";
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if (iony_system_call(IONY_SYS_WRITE, 1, (long)clear, sizeof(clear) - 1, 0, 0, 0) < 0) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#endif
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return IONY_ERROR_NONE;
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}
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IonyError iony_console_get_character(char *character) {
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if (character == 0) {
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return IONY_ERROR_INVALID_POINTER;
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}
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#if defined(_WIN32)
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if (iony_standard_console_in == 0) {
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iony_standard_console_in = GetStdHandle(STD_INPUT_HANDLE);
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if (iony_standard_console_in == INVALID_HANDLE_VALUE) {
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return IONY_ERROR_HANDLE_NOT_FOUND;
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}
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}
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DWORD characters_read;
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if (!ReadFile(iony_standard_console_in, character, 1, &characters_read, 0)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#elif defined(__GNUC__)
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if (iony_system_call(IONY_SYS_READ, 0, (long)character, 1, 0, 0, 0) < 0) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#endif
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return IONY_ERROR_NONE;
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}
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IonyError iony_console_get_line(char *character_string, const long max_length, long *characters_read) {
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if (character_string == 0) {
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return IONY_ERROR_INVALID_POINTER;
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}
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#if defined(_WIN32)
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if (iony_standard_console_in == 0) {
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iony_standard_console_in = GetStdHandle(STD_INPUT_HANDLE);
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if (iony_standard_console_in == INVALID_HANDLE_VALUE) {
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return IONY_ERROR_HANDLE_NOT_FOUND;
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}
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}
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DWORD characters_read;
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if (!ReadFile(iony_standard_console_in, character_string, max_length, characters_read, 0)) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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#elif defined(__GNUC__)
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long result = iony_system_call(IONY_SYS_READ, 0, (long)character_string, max_length, 0, 0, 0);
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if (result < 0) {
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return IONY_ERROR_SYSTEM_CALL_FAILED;
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}
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*characters_read = result;
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#endif
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return IONY_ERROR_NONE;
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}
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