117 lines
2.1 KiB
C++
117 lines
2.1 KiB
C++
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#include "common/IConsole.h"
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#include <cstdarg>
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#include <cstring>
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#include <Windows.h>
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IConsole::IConsole()
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{
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AllocConsole();
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SetConsoleTitle("Console");
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inputHandle = GetStdHandle(STD_INPUT_HANDLE);
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outputHandle = GetStdHandle(STD_OUTPUT_HANDLE);
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ASSERT_STR(inputHandle, "IConsole: couldn't get input handle");
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ASSERT_STR(outputHandle, "IConsole: couldn't get output handle");
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SetConsoleMode(inputHandle, ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT);
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SetConsoleMode(outputHandle, ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);
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}
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IConsole::~IConsole()
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{
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}
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/**
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* Writes a string to the console
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*/
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void IConsole::Write(char * buf)
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{
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UInt32 charsWritten;
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WriteConsole(outputHandle, buf, std::strlen(buf), &charsWritten, NULL);
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}
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/**
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* Writes a formatted string to the console
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*
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* You may specify a temp buffer to use for the formatted text, but if NULL
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* is used a local buffer will be provided.
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*
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* @param buf a temporary buffer, or NULL to use the internal buffer
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* @param fmt the format string
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*/
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void IConsole::Write(char * buf, UInt32 bufLen, const char * fmt, ...)
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{
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static char tempBuf[4096];
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if(!buf)
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{
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buf = tempBuf;
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bufLen = sizeof(tempBuf);
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}
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va_list args;
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va_start(args, fmt);
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vsprintf_s(buf, bufLen, fmt, args);
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va_end(args);
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Write(buf);
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}
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/**
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* Reads a single character from the console
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*/
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char IConsole::ReadChar(void)
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{
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char data;
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UInt32 charsRead;
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ReadConsole(inputHandle, &data, 1, &charsRead, NULL);
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return data;
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}
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/**
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* Reads a newline-terminated string from the console
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*
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* @param buf output buffer
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* @param len buffer size
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* @return number of characters read
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*/
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UInt32 IConsole::ReadBuf(char * buf, UInt32 len)
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{
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UInt32 charsRead;
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buf[0] = 0;
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do
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{
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ReadConsole(inputHandle, buf, len, &charsRead, NULL);
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}
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while(!charsRead);
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int done = 0;
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for(UInt32 i = charsRead - 1; (i > 0) && !done; i--)
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{
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switch(buf[i])
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{
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case 0x0A:
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case 0x0D:
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buf[i] = 0;
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break;
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default:
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done = 1;
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break;
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}
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}
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buf[charsRead] = 0;
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return charsRead;
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}
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