99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
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#include "stdio.h"
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#include "unicode.h"
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#include "printf.h"
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#include "../memory/memory.h"
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#include "../graphics/graphics.h"
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#include <string.h>
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#include <stdarg.h>
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// printf wants this
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void _putchar(char c) {
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if (!graphics_Framebuffer) {
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UINT16 buf[2] = {c, 0};
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efiStdout->OutputString(efiStdout, buf);
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} else {
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console_WriteChar(&HelosGraphics_Color_White, c);
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if (c == '\n') { // swap buffer on newline
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graphics_SwapBuffer();
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}
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}
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}
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int __io_WriteConsole_bufSize = 256;
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UINT16 __io_WriteConsole_bufferReal[256];
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UINT16 *__io_WriteConsole_buffer = __io_WriteConsole_bufferReal;
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void __io_WriteConsole_ResizeBuffer(int size) {
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if (__io_WriteConsole_bufSize < size) {
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while (__io_WriteConsole_bufSize < size)
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__io_WriteConsole_bufSize *= 2;
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DEBUG("allocate -> %d", __io_WriteConsole_bufSize);
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if (__io_WriteConsole_buffer != __io_WriteConsole_bufferReal)
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kFree(__io_WriteConsole_buffer);
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__io_WriteConsole_buffer = kMalloc(size * sizeof(UINT16));
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}
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}
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void io_WriteConsole(const char *str) {
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int size = 0; // don't include the \0 at the end here
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int len = strlen(str); // left the \0 out here too
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for (int i = 0;
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i < len;
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i += utf8_Decode(str + i, len - i, NULL), size++) {}
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__io_WriteConsole_ResizeBuffer(size + 1);
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uint32_t codepoint;
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for (int i = 0, j = 0;
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i < len;) {
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i += utf8_Decode(str + i, len - i, &codepoint);
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__io_WriteConsole_buffer[j++] = codepoint;
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}
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__io_WriteConsole_buffer[size] = 0;
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if (!graphics_Framebuffer) {
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efiStdout->OutputString(efiStdout, __io_WriteConsole_buffer);
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} else {
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console_WriteUTF16(&HelosGraphics_Color_White, __io_WriteConsole_buffer, 0);
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}
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}
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void io_WriteConsoleASCII(const char *str) {
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if (!graphics_Framebuffer) {
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int len = strlen(str);
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__io_WriteConsole_ResizeBuffer(len + 1);
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for (int i = 0; i <= len; i++)
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__io_WriteConsole_buffer[i] = str[i];
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efiStdout->OutputString(efiStdout, __io_WriteConsole_buffer);
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} else {
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console_WriteASCII(&HelosGraphics_Color_White, str, 0);
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}
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}
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char __io_Printf_buffer[4096];
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int io_Printf(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int ret = vsnprintf(__io_Printf_buffer, sizeof(__io_Printf_buffer), fmt, args);
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va_end(args);
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io_WriteConsole(__io_Printf_buffer);
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return ret;
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}
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EFI_INPUT_KEY io_PauseForKeystroke() {
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UINTN index;
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EFI_INPUT_KEY key;
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efiBootServices->WaitForEvent(1, &efiStdin->WaitForKey, &index);
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efiSystemTable->ConIn->ReadKeyStroke(efiSystemTable->ConIn, &key);
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return key;
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}
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