timw4mail/php-kilo
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Fix off-by-one highlighting error
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This commit is contained in:
Timothy Warren 2021-04-14 16:38:41 -04:00
parent a50c22c0e0
commit d0817b62c4
6 changed files with 69 additions and 57 deletions
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13
src/Editor.php
View File

@ -541,10 +541,7 @@ class Editor {
{
$this->scroll();
$this->outputBuffer = '';
$this->outputBuffer .= ANSI::HIDE_CURSOR;
$this->outputBuffer .= ANSI::RESET_CURSOR;
$this->outputBuffer = ANSI::HIDE_CURSOR . ANSI::RESET_CURSOR;
$this->drawRows();
$this->drawStatusBar();
@ -719,15 +716,11 @@ class Editor {
break;
case KeyType::PAGE_UP:
$y = ($y > $this->terminalSize->rows)
? $y - $this->terminalSize->rows
: 0;
$y = saturating_sub($y, $this->terminalSize->rows);
break;
case KeyType::PAGE_DOWN:
$y = ($y + $this->terminalSize->rows < $this->document->numRows)
? $y + $this->terminalSize->rows
: $this->document->numRows;
$y = saturating_add($y, $this->terminalSize->rows, $this->document->numRows);
break;
case KeyType::HOME:

45
src/Row.php
View File

@ -202,6 +202,11 @@ class Row {
return;
}
if ($this->parent->fileType->name === 'No filetype')
{
return;
}
$syntax = $this->parent->fileType->syntax;
$mcs = $syntax->multiLineCommentStart;
@ -245,17 +250,16 @@ class Row {
}
if (
$this->highlightComment($i, $syntax)
$this->highlightCharacter($i, $syntax)
|| $this->highlightComment($i, $syntax)
|| $this->highlightPrimaryKeywords($i, $syntax)
|| $this->highlightSecondaryKeywords($i, $syntax)
|| $this->highlightCharacter($i, $syntax)
|| $this->highlightString($i, $syntax)
|| $this->highlightNumber($i, $syntax)
|| $this->highlightOperators($i, $syntax)
|| $this->highlightCommonOperators($i)
|| $this->highlightCommonDelimeters($i)
|| $this->highlightCommonOperators($i)
|| $this->highlightNumber($i, $syntax)
) {
$i++;
continue;
}
@ -266,7 +270,7 @@ class Row {
$this->hlOpenComment = $inComment;
if ($changed && $this->idx + 1 < $this->parent->numRows)
{
$this->parent->rows[$this->idx + 1]->highlight();
$this->parent->rows[$this->idx + 1]->update();
}
}
@ -294,16 +298,14 @@ class Row {
$nextChar = $this->render[$i];
if ($nextChar !== '.' && ! is_digit($nextChar))
{
break;
}
}
else
{
break;
}
return true;
}
return true;
continue;
}
break;
}
}
return false;
@ -330,7 +332,7 @@ class Row {
if (substr($this->render, $i, $klen) === $k && is_separator($nextChar))
{
array_replace_range($this->hl, $i, $klen, $syntaxType);
$i += $klen - 1;
$i += $klen;
return true;
}
@ -341,12 +343,17 @@ class Row {
protected function highlightChar(int &$i, array $chars, int $syntaxType): bool
{
if ($this->hl[$i] !== Highlight::NORMAL)
{
return false;
}
$char = $this->render[$i];
if (in_array($char, $chars, TRUE))
{
$this->hl[$i] = $syntaxType;
$i += 1;
$i++;
return true;
}
@ -450,7 +457,7 @@ class Row {
return false;
}
if ($opts->strings() && $char === '"' || $char === '\'')
if ($opts->strings() && ($char === '"' || $char === '\''))
{
$quote = $char;
$this->hl[$i] = Highlight::STRING;
@ -470,13 +477,11 @@ class Row {
}
// End of the string!
$i++;
if ($char === $quote)
{
$i++;
break;
}
$i++;
}
return true;

1
src/Tokens/PHP8.php
View File

@ -4,7 +4,6 @@ namespace Aviat\Kilo\Tokens;
use PhpToken;
use function Aviat\Kilo\str_contains;
use function Aviat\Kilo\tabs_to_spaces;
use const Aviat\Kilo\T_RAW;

17
src/functions.php
View File

@ -138,7 +138,7 @@ function array_replace_range(array &$array, int $offset, int $length, mixed $val
* @param int|null $offset
* @return bool
*/
function str_contains(string $haystack, string $str, ?int $offset = NULL): bool
function str_has(string $haystack, string $str, ?int $offset = NULL): bool
{
if (empty($str))
{
@ -209,3 +209,18 @@ function error_code_name(int $code): string
default => 'Unknown',
};
}
function saturating_add(int $a, int $b, int $max): int
{
return ($a + $b > $max) ? $max : $a + $b;
}
function saturating_sub(int $a, int $b): int
{
if ($b > $a)
{
return 0;
}
return $a - $b;
}

12
tests/FunctionTest.php
View File

@ -13,7 +13,7 @@ use function Aviat\Kilo\is_ctrl;
use function Aviat\Kilo\is_digit;
use function Aviat\Kilo\is_separator;
use function Aviat\Kilo\is_space;
use function Aviat\Kilo\str_contains;
use function Aviat\Kilo\str_has;
use function Aviat\Kilo\syntax_to_color;
use function Aviat\Kilo\tabs_to_spaces;
@ -99,20 +99,20 @@ class FunctionTest extends TestCase {
public function test_str_contains(): void
{
// Search from string offset
$this->assertTrue(str_contains(' vcd', 'vcd', 2));
$this->assertTrue(str_has(' vcd', 'vcd', 2));
$this->assertFalse(str_contains('', "\0"));
$this->assertFalse(str_has('', "\0"));
// An empty search string returns false
$this->assertFalse(str_contains('', ''));
$this->assertFalse(str_has('', ''));
$this->assertTrue(str_contains('alphabet', 'phab'));
$this->assertTrue(str_has('alphabet', 'phab'));
}
public function test_tabs_to_spaces(): void
{
$original = "\t\t\t{";
$this->assertFalse(str_contains(tabs_to_spaces($original), "\t"));
$this->assertFalse(str_has(tabs_to_spaces($original), "\t"));
}
public function test_array_replace_range_length_1(): void

38
tests/__snapshots__/EditorTest__testOpen__1.json
View File

@ -654,7 +654,7 @@
5,
5,
5,
0
7
],
"idx": 16
},
@ -678,7 +678,7 @@
13,
13,
13,
0
7
],
"idx": 17
},
@ -1495,10 +1495,10 @@
0,
0,
9,
0,
0,
6,
6,
9,
0
7
],
"idx": 49
},
@ -1589,7 +1589,7 @@
"render": "};",
"hl": [
9,
0
7
],
"idx": 53
},
@ -1616,9 +1616,9 @@
0,
0,
9,
0,
0,
0,
4,
4,
4,
0,
0,
0,
@ -1650,7 +1650,7 @@
0,
0,
9,
0
7
],
"idx": 55
},
@ -1672,9 +1672,9 @@
0,
0,
9,
0,
0,
0,
4,
4,
4,
0,
0,
0,
@ -1734,7 +1734,7 @@
0,
0,
9,
0
7
],
"idx": 56
},
@ -2098,7 +2098,7 @@
"render": "};",
"hl": [
9,
0
7
],
"idx": 66
},
@ -2116,9 +2116,9 @@
0,
0,
9,
0,
0,
0,
4,
4,
4,
7,
0,
4,
@ -2130,7 +2130,7 @@
0,
0,
9,
0
7
],
"idx": 67
}