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Fix bugs and docs of FilePositionMap #234

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Merged
merged 2 commits into from
Feb 19, 2018
Merged

Fix bugs and docs of FilePositionMap #234

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8ed14c2
Fix bugs and docs of FilePositionMap
TysonAndre Feb 16, 2018
ca23cef
Rename unused method to getEndLineCharacterPosition
TysonAndre Feb 19, 2018
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19 changes: 12 additions & 7 deletions src/FilePositionMap.php
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ class FilePositionMap {
/** @var int the 0-based byte offset of the most recent request for a line number. */
private $currentOffset;

/** @var int the line number for $this->currentOffset (updated whenever currentOffset is updated) */
/** @var int the 1-based line number for $this->currentOffset (updated whenever currentOffset is updated) */
private $lineForCurrentOffset;

public function __construct(string $file_contents) {
Expand All @@ -45,7 +45,7 @@ public function getNodeStartLine(Node $node) : int {
}

/**
* @param Node $node the node to get the start line for.
* @param Token $token the token to get the start line for.
*/
public function getTokenStartLine(Token $token) : int {
return $this->getLineNumberForOffset($token->start);
Expand Down Expand Up @@ -85,20 +85,24 @@ public function getEndLine($node) : int {
* @param Node|Token $node
* Similar to getStartLine but includes the column
*/
public function getEndLineCharacterPositionForOffset($node) : LineCharacterPosition {
return $this->getLineCharacterPositionForOffset($node);
public function getEndLineCharacterPosition($node) : LineCharacterPosition {
return $this->getLineCharacterPositionForOffset($node->getEndPosition());
}

/**
* @param Node|Token $node
* Similar to getStartLine but includes the column
* @param int $offset
* Similar to getStartLine but includes both the line and the column
*/
public function getLineCharacterPositionForOffset(int $offset) : LineCharacterPosition {
$line = $this->getLineNumberForOffset($offset);
$character = $this->getColumnForOffset($offset);
return new LineCharacterPosition($line, $character);
}

/**
* @param int $offset - A 0-based byte offset
* @return int - gets the 1-based line number for $offset
*/
public function getLineNumberForOffset(int $offset) : int {
if ($offset < 0) {
$offset = 0;
Expand All @@ -117,7 +121,8 @@ public function getLineNumberForOffset(int $offset) : int {
}

/**
* @return int - gets the 1-based column offset
* @param int $offset - A 0-based byte offset
* @return int - gets the 1-based column number for $offset
*/
public function getColumnForOffset(int $offset) : int {
$length = $this->fileContentsLength;
Expand Down