amath/app/system/console_stdc.cpp

117 lines
3.0 KiB
C++
Executable File

/*
* Copyright (c) 2015-2016 Carsten Sonne Larsen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "clib.h"
#include <stdio.h>
#include "main/nodes.h"
#include "main/evaluator.h"
#include "system/console_stdc.h"
StandardConsole::StandardConsole(const char *prompt) :
ConsoleBase(prompt)
{
proc = new AnsiConoleEngine(prompt);
}
StandardConsole::~StandardConsole()
{
delete proc;
}
int StandardConsole::GetStackSize()
{
return 100000;
}
void StandardConsole::Run()
{
exit = false;
StartMessage();
while(!exit) {
Prompt();
ReadLine();
Evaluator *evaluator = new Evaluator(line);
evaluator->Evaluate();
const char *res = evaluator->GetResult();
Write(res, StrLen(res));
delete evaluator;
}
}
void StandardConsole::Exit()
{
exit = true;
}
void StandardConsole::ReadLine()
{
#ifdef UNIX
termios new_tio, old_tio;
tcgetattr(STDIN_FILENO, &old_tio);
new_tio = old_tio;
new_tio.c_lflag &=(~ICANON & ~ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &new_tio);
#endif
proc->StartInput();
while (!proc->InputDone()) {
unsigned char c = getchar();
//printf("%d ",c);
const char *out = proc->ProcessChar((char)c);
WriteString(out);
}
line = proc->GetLine();
#ifdef UNIX
tcsetattr(STDIN_FILENO, TCSANOW, &old_tio);
#endif
}
void StandardConsole::WriteString(const char *string)
{
Write(string, StrLen(string));
}
void StandardConsole::Write(const char *string, unsigned int length)
{
unsigned int i = 0;
while(i < length && string[i] != 0) {
fputc(string[i], stdout);
i++;
}
fflush(stdout);
}
void StandardConsole::SetPrompt(const char* string)
{
ConsoleBase::SetPrompt(string);
proc->SetPrompt(string);
}