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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <AK/Debug.h>
#include <AK/HashMap.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <termcap.h>
extern "C" {
char PC;
char* UP;
char* BC;
int tgetent([[maybe_unused]] char* bp, [[maybe_unused]] const char* name)
{
#if TERMCAP_DEBUG
fprintf(stderr, "tgetent: bp=%p, name='%s'\n", bp, name);
#endif
PC = '\0';
BC = const_cast<char*>("\033[D");
UP = const_cast<char*>("\033[A");
return 1;
}
static HashMap<String, const char*>* caps = nullptr;
static void ensure_caps()
{
if (caps)
return;
caps = new HashMap<String, const char*>;
caps->set("DC", "\033[%p1%dP");
caps->set("IC", "\033[%p1%d@");
caps->set("ce", "\033[K");
caps->set("cl", "\033[H\033[J");
caps->set("cr", "\015");
caps->set("dc", "\033[P");
caps->set("ei", "");
caps->set("ic", "");
caps->set("im", "");
caps->set("kd", "\033[B");
caps->set("kl", "\033[D");
caps->set("kr", "\033[C");
caps->set("ku", "\033[A");
caps->set("ks", "");
caps->set("ke", "");
caps->set("le", "\033[D");
caps->set("mm", "");
caps->set("mo", "");
caps->set("pc", "");
caps->set("up", "\033[A");
caps->set("vb", "");
caps->set("am", "");
caps->set("@7", "");
caps->set("kH", "");
caps->set("kI", "\033[L");
caps->set("kh", "\033[H");
caps->set("vs", "");
caps->set("ve", "");
caps->set("E3", "");
caps->set("kD", "");
caps->set("nd", "\033[C");
caps->set("co", "80");
caps->set("li", "25");
}
// Unfortunately, tgetstr() doesn't accept a size argument for the buffer
// pointed to by area, so we have to use bare strcpy().
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
char* tgetstr(const char* id, char** area)
{
ensure_caps();
#if TERMCAP_DEBUG
fprintf(stderr, "tgetstr: id='%s'\n", id);
#endif
auto it = caps->find(id);
if (it != caps->end()) {
char* ret = *area;
const char* val = (*it).value;
strcpy(*area, val);
*area += strlen(val) + 1;
return ret;
}
fprintf(stderr, "tgetstr: missing cap id='%s'\n", id);
return nullptr;
}
#pragma GCC diagnostic pop
int tgetflag([[maybe_unused]] const char* id)
{
#if TERMCAP_DEBUG
fprintf(stderr, "tgetflag: '%s'\n", id);
#endif
auto it = caps->find(id);
if (it != caps->end())
return 1;
return 0;
}
int tgetnum(const char* id)
{
#if TERMCAP_DEBUG
fprintf(stderr, "tgetnum: '%s'\n", id);
#endif
auto it = caps->find(id);
if (it != caps->end())
return atoi((*it).value);
ASSERT_NOT_REACHED();
}
static Vector<char> s_tgoto_buffer;
char* tgoto([[maybe_unused]] const char* cap, [[maybe_unused]] int col, [[maybe_unused]] int row)
{
auto cap_str = String(cap);
cap_str.replace("%p1%d", String::number(col));
cap_str.replace("%p2%d", String::number(row));
s_tgoto_buffer.clear_with_capacity();
s_tgoto_buffer.ensure_capacity(cap_str.length());
(void)cap_str.copy_characters_to_buffer(s_tgoto_buffer.data(), cap_str.length());
return s_tgoto_buffer.data();
}
int tputs(const char* str, [[maybe_unused]] int affcnt, int (*putc)(int))
{
size_t len = strlen(str);
for (size_t i = 0; i < len; ++i)
putc(str[i]);
return 0;
}
}
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