/// <summary>
/// Applies the provided FileChange to the file's contents
/// </summary>
/// <param name="fileChange">The FileChange to apply to the file's contents.</param>
public void ApplyChange(FileChange fileChange)
{
// TODO: Verify offsets are in range
// Break up the change lines
string[] changeLines = fileChange.InsertString.Split('\n');
// Get the first fragment of the first line
string firstLineFragment =
this.FileLines[fileChange.Line - 1]
.Substring(0, fileChange.Offset - 1);
// Get the last fragment of the last line
string endLine = this.FileLines[fileChange.EndLine - 1];
string lastLineFragment =
endLine.Substring(
fileChange.EndOffset - 1,
(this.FileLines[fileChange.EndLine - 1].Length - fileChange.EndOffset) + 1);
// Remove the old lines
for (int i = 0; i <= fileChange.EndLine - fileChange.Line; i++)
{
this.FileLines.RemoveAt(fileChange.Line - 1);
}
// Build and insert the new lines
int currentLineNumber = fileChange.Line;
for (int changeIndex = 0; changeIndex < changeLines.Length; changeIndex++)
{
// Since we split the lines above using \n, make sure to
// trim the ending \r's off as well.
string finalLine = changeLines[changeIndex].TrimEnd('\r');
// Should we add first or last line fragments?
if (changeIndex == 0)
{
// Append the first line fragment
finalLine = firstLineFragment + finalLine;
}
if (changeIndex == changeLines.Length - 1)
{
// Append the last line fragment
finalLine = finalLine + lastLineFragment;
}
this.FileLines.Insert(currentLineNumber - 1, finalLine);
currentLineNumber++;
}
// Parse the script again to be up-to-date
this.ParseFileContents();
}
/// <summary>
/// Applies the provided FileChange to the file's contents
/// </summary>
/// <param name="fileChange">The FileChange to apply to the file's contents.</param>
public void ApplyChange(FileChange fileChange)
{
// Break up the change lines
string[] changeLines = fileChange.InsertString.Split('\n');
if (fileChange.IsReload)
{
this.FileLines.Clear();
foreach (var changeLine in changeLines)
{
this.FileLines.Add(changeLine);
}
}
else
{
// VSCode sometimes likes to give the change start line as (FileLines.Count + 1).
// This used to crash EditorServices, but we now treat it as an append.
// See https://github.com/PowerShell/vscode-powershell/issues/1283
if (fileChange.Line == this.FileLines.Count + 1)
{
foreach (string addedLine in changeLines)
{
string finalLine = addedLine.TrimEnd('\r');
this.FileLines.Add(finalLine);
}
}
// Similarly, when lines are deleted from the end of the file,
// VSCode likes to give the end line as (FileLines.Count + 1).
else if (fileChange.EndLine == this.FileLines.Count + 1 && String.Empty.Equals(fileChange.InsertString))
{
int lineIndex = fileChange.Line - 1;
this.FileLines.RemoveRange(lineIndex, this.FileLines.Count - lineIndex);
}
// Otherwise, the change needs to go between existing content
else
{
this.ValidatePosition(fileChange.Line, fileChange.Offset);
this.ValidatePosition(fileChange.EndLine, fileChange.EndOffset);
// Get the first fragment of the first line
string firstLineFragment =
this.FileLines[fileChange.Line - 1]
.Substring(0, fileChange.Offset - 1);
// Get the last fragment of the last line
string endLine = this.FileLines[fileChange.EndLine - 1];
string lastLineFragment =
endLine.Substring(
fileChange.EndOffset - 1,
(this.FileLines[fileChange.EndLine - 1].Length - fileChange.EndOffset) + 1);
// Remove the old lines
for (int i = 0; i <= fileChange.EndLine - fileChange.Line; i++)
{
this.FileLines.RemoveAt(fileChange.Line - 1);
}
// Build and insert the new lines
int currentLineNumber = fileChange.Line;
for (int changeIndex = 0; changeIndex < changeLines.Length; changeIndex++)
{
// Since we split the lines above using \n, make sure to
// trim the ending \r's off as well.
string finalLine = changeLines[changeIndex].TrimEnd('\r');
// Should we add first or last line fragments?
if (changeIndex == 0)
{
// Append the first line fragment
finalLine = firstLineFragment + finalLine;
}
if (changeIndex == changeLines.Length - 1)
{
// Append the last line fragment
finalLine = finalLine + lastLineFragment;
}
this.FileLines.Insert(currentLineNumber - 1, finalLine);
currentLineNumber++;
}
}
}
// Parse the script again to be up-to-date
this.ParseFileContents();
}
private void AssertFileChange(
string initialString,
string expectedString,
FileChange fileChange)
{
using (StringReader stringReader = new StringReader(initialString))
{
// Create an in-memory file from the StringReader
ScriptFile fileToChange = new ScriptFile("TestFile.ps1", "TestFile.ps1", stringReader);
// Apply the FileChange and assert the resulting contents
fileToChange.ApplyChange(fileChange);
Assert.Equal(expectedString, fileToChange.Contents);
}
}
/// <summary>
/// Applies the provided FileChange to the file's contents
/// </summary>
/// <param name="fileChange">The FileChange to apply to the file's contents.</param>
public void ApplyChange(FileChange fileChange)
{
// TODO: Verify offsets are in range
// Break up the change lines
string[] changeLines = fileChange.InsertString.Split('\n');
// Get the first fragment of the first line
string firstLineFragment =
this.FileLines[fileChange.Line - 1]
.Substring(0, fileChange.Offset - 1);
// Get the last fragment of the last line
string endLine = this.FileLines[fileChange.EndLine - 1];
string lastLineFragment =
endLine.Substring(
fileChange.EndOffset - 1,
(this.FileLines[fileChange.EndLine - 1].Length - fileChange.EndOffset) + 1);
// Remove the old lines
for (int i = 0; i <= fileChange.EndLine - fileChange.Line; i++)
{
this.FileLines.RemoveAt(fileChange.Line - 1);
}
// Build and insert the new lines
int currentLineNumber = fileChange.Line;
for (int changeIndex = 0; changeIndex < changeLines.Length; changeIndex++)
{
// Since we split the lines above using \n, make sure to
// trim the ending \r's off as well.
string finalLine = changeLines[changeIndex].TrimEnd('\r');
// Should we add first or last line fragments?
if (changeIndex == 0)
{
// Append the first line fragment
finalLine = firstLineFragment + finalLine;
}
if (changeIndex == changeLines.Length - 1)
{
// Append the last line fragment
finalLine = finalLine + lastLineFragment;
}
this.FileLines.Insert(currentLineNumber - 1, finalLine);
currentLineNumber++;
}
// Parse the script again to be up-to-date
this.ParseFileContents();
}
