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Code Issues Releases Wiki Activity

Improve lint rendering

Browse source 
Summary:
Declare victory like it's the United States.

Test Plan:
www copyright, apache copyright, control keyword whitespace and trailing
whitespace lint warnings

Reviewed By: epriestley
Reviewers: epriestley
CC: epriestley
Differential Revision: 117
This commit is contained in:
adonohue 2011-04-08 19:10:27 -07:00
parent b1acee6ee5
commit 0472a5ff95
1 changed files with 73 additions and 32 deletions
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95
src/lint/renderer/ArcanistLintRenderer.php
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@ -25,6 +25,7 @@ class ArcanistLintRenderer {
public function renderLintResult(ArcanistLintResult $result) {
$messages = $result->getMessages();
$path = $result->getPath();
$lines = explode("\n", $result->getData());
$text = array();
@ -68,25 +69,75 @@ class ArcanistLintRenderer {
$lines_of_context = 3;
$out = array();
$line_num = min($message->getLine(), count($line_data));
$num_lines = count($line_data);
// make line numbers line up with array indexes
array_unshift($line_data, '');
$line_num = min($message->getLine(), $num_lines);
$line_num = max(1, $line_num);
// Print out preceding context before the impacted region.
$cursor = max(1, $line_num - $lines_of_context);
for (; $cursor < $line_num; $cursor++) {
$out[] = $this->renderLine($cursor, $line_data[$cursor - 1]);
$out[] = $this->renderLine($cursor, $line_data[$cursor]);
}
$text = $message->getOriginalText();
// Refine original and replacement text to eliminate start and end in common
if ($message->isPatchable()) {
$start = $message->getChar() - 1;
$patch = $message->getReplacementText();
$text_strlen = strlen($text);
$patch_strlen = strlen($patch);
$min_length = min($text_strlen, $patch_strlen);
$same_at_front = 0;
for ($ii = 0; $ii < $min_length; $ii++) {
if ($text[$ii] !== $patch[$ii]) {
break;
}
$same_at_front++;
$start++;
if ($text[$ii] == "\n") {
$out[] = $this->renderLine($cursor, $line_data[$cursor]);
$cursor++;
$start = 0;
$line_num++;
}
}
// deal with shorter string ' ' longer string ' a '
$min_length -= $same_at_front;
// And check the end of the string
$same_at_end = 0;
for ($ii = 1; $ii <= $min_length; $ii++) {
if ($text[$text_strlen - $ii] !== $patch[$patch_strlen - $ii]) {
break;
}
$same_at_end++;
}
$text = substr(
$text,
$same_at_front,
$text_strlen - $same_at_end - $same_at_front
);
$patch = substr(
$patch,
$same_at_front,
$patch_strlen - $same_at_end - $same_at_front
);
}
// Print out the impacted region itself.
$diff = $message->isPatchable() ? '-' : null;
$text = $message->getOriginalText();
$text_lines = explode("\n", $text);
$text_length = count($text_lines);
for (; $cursor < $line_num + $text_length; $cursor++) {
$chevron = ($cursor == $line_num);
// We may not have any data if, e.g., the old file does not exist.
$data = idx($line_data, $cursor - 1, null);
$data = idx($line_data, $cursor, null);
// Highlight the problem substring.
$text_line = $text_lines[$cursor - $line_num];
@ -103,44 +154,34 @@ class ArcanistLintRenderer {
$out[] = $this->renderLine($cursor, $data, $chevron, $diff);
}
// Print out replacement text.
if ($message->isPatchable()) {
$patch = $message->getReplacementText();
$patch_lines = explode("\n", $patch);
$offset = 0;
foreach ($patch_lines as $patch_line) {
if (isset($line_data[$line_num - 1 + $offset])) {
$base = $line_data[$line_num - 1 + $offset];
} else {
$base = '';
}
$patch_length = count($patch_lines);
if ($offset == 0) {
$start = $message->getChar() - 1;
} else {
$start = 0;
}
$patch_line = $patch_lines[0];
if (isset($text_lines[$offset])) {
$len = strlen($text_lines[$offset]);
} else {
$len = 0;
}
$len = isset($text_lines[0]) ? strlen($text_lines[0]) : 0;
$patched = substr_replace(
$base,
$line_data[$line_num],
phutil_console_format('##%s##', $patch_line),
$start,
$len);
$out[] = $this->renderLine(null, $patched, false, '+');
$offset++;
foreach (array_slice($patch_lines, 1) as $patch_line) {
$out[] = $this->renderLine(
null,
phutil_console_format('##%s##', $patch_line), false, '+'
);
}
}
$lines_count = count($line_data);
$end = min($lines_count, $cursor + $lines_of_context);
$end = min($num_lines, $cursor + $lines_of_context);
for (; $cursor < $end; $cursor++) {
$out[] = $this->renderLine($cursor, $line_data[$cursor - 1]);
$out[] = $this->renderLine($cursor, $line_data[$cursor]);
}
$out[] = null;