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remove duplicate imports #19

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keepyounger wants to merge 2 commits into from
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remove duplicate imports #19

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8ed1472
remove duplicate imports
Jan 9, 2017
4836d93
remove duplicate imports
Jan 9, 2017
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remove duplicate imports
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lixy committed Jan 9, 2017
commit 4836d93e8bca545fbd3a166473dd2d00d5ed8669
30 changes: 16 additions & 14 deletions ImportExtension/AddImportOperation.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -29,17 +29,20 @@ class AddImportOperation {

func execute() {
let selection = self.buffer.selections.firstObject as! XCSourceTextRange
let selectionLine = selection.start.line
let importString = (self.buffer.lines[selectionLine] as! String).trimmingCharacters(in: CharacterSet.whitespaces)
var selectionLine = selection.start.line

var importString = (self.buffer.lines[selectionLine] as! String).trimmingCharacters(in: CharacterSet.whitespaces)
importString = importString.trimmingCharacters(in: CharacterSet.init(charactersIn: " \t\n"))

guard isValid(importString: importString) else {
return
}

//remove duplicate imports
removeDuplicate(importString: importString)
let removeNum = removeDuplicate(importString: importString)
selectionLine = selectionLine-removeNum

let line = appropriateLine(ignoringLine: selectionLine)
let line = appropriateLine()
guard line != NSNotFound else {
return
}
Expand All @@ -52,15 +55,21 @@ class AddImportOperation {
self.buffer.selections.insert(selectionPosition, at: 0)
}

func removeDuplicate(importString: String) -> Void {
func removeDuplicate(importString: String) -> Int {

//do not forget itself
var lineNumber = -1;

let tempLines = NSMutableArray.init(array: buffer.lines)
tempLines.enumerateObjects(options: .reverse) { (line, index, stop) in
if line as! String == importString {
let string = (line as! String).trimmingCharacters(in: CharacterSet.init(charactersIn: " \t\n"))
if string == importString {
buffer.lines.removeObject(at: index)
lineNumber += 1
}
}

return lineNumber
}

func isValid(importString: String) -> Bool {
Expand All @@ -79,15 +88,12 @@ class AddImportOperation {
return numberOfMatches > 0
}

func appropriateLine(ignoringLine: Int) -> Int {
func appropriateLine() -> Int {
var lineNumber = NSNotFound
let lines = buffer.lines as NSArray as! [String]

//Find the line that is first after all the imports
for (index, line) in lines.enumerated() {
if index == ignoringLine {
continue
}

if isValid(importString: line) {
lineNumber = index
Expand All @@ -100,10 +106,6 @@ class AddImportOperation {

//if a line is not found, find first free line after comments
for (index, line) in lines.enumerated() {
if index == ignoringLine {
continue
}

lineNumber = index
if line.isWhitespaceOrNewline() {
break
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