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<?php
/// CRIMSON --- A simple PHP framework.
/// Copyright © 2024 Freya Murphy <contact@freyacat.org>
///
/// This file is part of CRIMSON.
///
/// CRIMSON is free software; you can redistribute it and/or modify it
/// under the terms of the GNU General Public License as published by
/// the Free Software Foundation; either version 3 of the License, or (at
/// your option) any later version.
///
/// CRIMSON is distributed in the hope that it will be useful, but
/// WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU General Public License for more details.
///
/// You should have received a copy of the GNU General Public License
/// along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.
/**
* CRIMSON ERROR FUNCTIONS
*
* Insead of using trigger_error, crimson has its own CRIMSON_<type> error
* functions. It is prefered to use this they hook more nicely into crimson.
* trigger_error is still okay to use since crimson creates its own error
* handler, and will catch it anyways.
*
* WARNING: DO NOT create your own error handler since this MAY interfere with
* crimson's control flow.
*/
// crimson's fatal error handler will set $errno to CRIMSON_E_FATAL_ERROR.
define('CRIMSON_E_FATAL_ERROR', 0);
function __CRIMSON_error_pretty_print_name(int $errno) {
switch ($errno) {
case CRIMSON_E_FATAL_ERROR: // 0 //
return 'Fatal Error';
case E_ERROR: // 1 //
case E_CORE_ERROR: // 16 //
case E_USER_ERROR: // 256 //
case E_RECOVERABLE_ERROR: // 4096 //
return 'Error';
case E_WARNING: // 2 //
case E_CORE_WARNING: // 32 //
case E_USER_WARNING: // 512 //
return 'Warning';
case E_PARSE: // 4 //
return 'Parse Error';
case E_NOTICE: // 8 //
case E_USER_NOTICE: // 1024 //
return 'Notice';
case E_COMPILE_ERROR: // 128 //
return 'Compile Error';
case E_DEPRECATED: // 8192 //
case E_USER_DEPRECATED: // 16384 //
return 'Deprecated';
default:
return 'Unknown Error';
}
}
function __CRIMSON_error_pretty_print_bg_color(int $errno) {
switch ($errno) {
case CRIMSON_E_FATAL_ERROR: // 0 //
case E_ERROR: // 1 //
case E_PARSE: // 4 //
case E_CORE_ERROR: // 16 //
case E_COMPILE_ERROR: // 128 //
case E_USER_ERROR: // 256 //
case E_RECOVERABLE_ERROR: // 4096 //
return '#dc143c';
case E_WARNING: // 2 //
case E_CORE_WARNING: // 32 //
case E_USER_WARNING: // 512 //
case E_DEPRECATED: // 8192 //
case E_USER_DEPRECATED: // 16384 //
return '#db6d13';
case E_NOTICE: // 8 //
case E_USER_NOTICE: // 1024 //
default:
return '#13a6db';
}
}
function __CRIMSON_error_pretty_print_text_color(int $errno) {
switch ($errno) {
case CRIMSON_E_FATAL_ERROR: // 0 //
case E_ERROR: // 1 //
case E_PARSE: // 4 //
case E_CORE_ERROR: // 16 //
case E_COMPILE_ERROR: // 128 //
case E_USER_ERROR: // 256 //
case E_RECOVERABLE_ERROR: // 4096 //
return '#fff';
case E_WARNING: // 2 //
case E_CORE_WARNING: // 32 //
case E_USER_WARNING: // 512 //
case E_DEPRECATED: // 8192 //
case E_USER_DEPRECATED: // 16384 //
return '#fff';
case E_NOTICE: // 8 //
case E_USER_NOTICE: // 1024 //
default:
return '#181818';
}
}
/**
* __CRIMSON_error_pretty_print
*
* Prints a pretty HTML error message using the same set of parameters
* from PHP's error handler.
*
* Unless CRIMSON detects that you are using a tty, crimson will opt to
* pretty print all errors.
*/
function __CRIMSON_error_pretty_print(
int $errno,
string $errstr,
?string $errfile = NULL,
?int $errline = NULL,
?array $errcontext = NULL,
): void {
$name = __CRIMSON_error_pretty_print_name($errno);
$bg = __CRIMSON_error_pretty_print_bg_color($errno);
$text = __CRIMSON_error_pretty_print_text_color($errno);
$root_style = "
all: unset !important;
display: block !important;
margin: .1em !important;
background: {$bg} !important;
color: {$text} !important;
font-family: Helvetica, Verdana, Courier, monospace !important;
font-size: 14px !important;";
$div_style = "
padding: .5em; !important;";
$span_style = "
display: block !important";
$title_style="
font-size: 1.2em !important;
font-weight: bold !important;
background: rgba(255,255,255,.2); !important";
$html = <<<EOF
<div style="{$root_style}">
<div style="{$div_style}\n{$title_style}">
(!) {$name}
</div>
<div style="{$div_style}">
<span style="{$span_style}">
In file {$errfile}:{$errline}
</span>
<span style="{$span_style}">
>>> {$errstr}
</span>
</div>
</div>
EOF;
echo $html;
}
function __CRIMSON_error_print(
int $errno,
string $errstr,
?string $errfile = NULL,
?int $errline = NULL,
?array $errcontext = NULL,
): void {
$name = __CRIMSON_error_pretty_print_name($errno);
echo "{$name}: {$errstr}\n\tIn file {$errfile}:{$errline}\n";
}
function CRIMSON_error_handler(
int $errno,
string $errstr,
?string $errfile = NULL,
?int $errline = NULL,
?array $errcontext = NULL,
): void {
__CRIMSON_error_pretty_print($errno, $errstr, $errfile, $errline, $errcontext);
}
set_error_handler("CRIMSON_error_handler");
function CRIMSON_ERROR(string $msg): void {
$frame = debug_backtrace()[1];
CRIMSON_error_handler(E_ERROR, $msg,
$frame['file'], $frame['line']);
}
function CRIMSON_FATAL_ERROR(string $msg): void {
$frame = debug_backtrace()[1];
CRIMSON_error_handler(CRIMSON_E_FATAL_ERROR, $msg,
$frame['file'], $frame['line']);
}
function CRIMSON_WARNING(string $msg): void {
$frame = debug_backtrace()[1];
CRIMSON_error_handler(E_WARNING, $msg,
$frame['file'], $frame['line']);
}
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