private static void ReadAllFilesWithContext(FileReadBuilder fileReadBuilder, string folderPath, string searchPattern, CodeType codeType, Encoding encoding)
{
// get all the files in the folder path that match the search pattern
foreach (var filePath in Directory.GetFiles(folderPath, searchPattern))
{
// read each one into the string builder with context
ReadFileWithContext(fileReadBuilder, filePath, codeType, encoding);
}
}
private static void ReadFileWithContext(FileReadBuilder fileReadBuilder, string filePath, CodeType codeType, Encoding encoding)
{
if (fileReadBuilder.Length > 0)
{
// start a new line so any previous single-line comments are terminated.
fileReadBuilder.AnnotateLine();
}
// if the previous file didn't end in a semicolon, add one now.
// it doesn't hurt to have an extra semicolon in JavaScript, and our CSS Parser has been
// tweaked to ignore extraneous semicolons as well.
if (!fileReadBuilder.EndsInSemicolon && codeType != CodeType.StyleSheet)
{
fileReadBuilder.Annotate(';');
}
// output a special comment that NUglify will pick up so any errors will
// have the proper file context. The CSS parser has been tweaked to look for
// this comment as well.
if (codeType == CodeType.StyleSheet)
{
fileReadBuilder.Annotate("/*/#source 1 1 ");
}
else
{
fileReadBuilder.Annotate("///#source 1 1 ");
}
fileReadBuilder.Annotate(filePath);
if (codeType == CodeType.StyleSheet)
{
fileReadBuilder.Annotate(" */");
}
fileReadBuilder.AnnotateLine();
// now read all the file source and add it to the combined input.
// it doesn't matter which encoder fallback we use -- we'll be DECODING, and we always use a simple replacement for that.
// so just ask for a JS encoding here.
using (var reader = new StreamReader(filePath, encoding))
{
// read all the content, add it to the builder, and set the semicolon flag
var fileContent = reader.ReadToEnd();
fileReadBuilder.AppendContent(fileContent);
fileReadBuilder.EndsInSemicolon = s_endsInSemicolon.IsMatch(fileContent);
}
}
private static void ReadFile(InputFile inputFile, FileReadBuilder fileReadBuilder, CodeType codeType, string defaultEncodingName)
{
if (inputFile != null)
{
var encoding = inputFile.GetEncoding(defaultEncodingName);
if (File.Exists(inputFile.Path))
{
// file exists -- read it into the string builder with the appropriate context comments added
ReadFileWithContext(fileReadBuilder, inputFile.Path, codeType, encoding);
}
else if (Directory.Exists(inputFile.Path))
{
// right now, just look for .JS for JavaScript and .CSS for Stylesheets.
// if we don't know what type, ask for everything!
var searchPattern = codeType == CodeType.JavaScript
? "*.js"
: codeType == CodeType.StyleSheet
? "*.css"
: "*.*";
ReadAllFilesWithContext(fileReadBuilder, inputFile.Path, searchPattern, codeType, encoding);
}
}
}
/// <summary>
/// Walk the list of inputs for a given output group, and create a list of input groups
/// consisting of the source and origin. Consecutive project inputs are concatenated together,
/// and external inputs are kept separate.
/// </summary>
/// <param name="outputGroup">output group</param>
/// <param name="defaultEncodingName">default encoding name to use if none specified</param>
/// <param name="rawInputBuilder">output the raw source to this builder, no added comments</param>
/// <param name="sourceLength">length of the raw source</param>
/// <returns>list of input groups consisting of source code and origin</returns>
public static IList <InputGroup> ReadInputGroups(this OutputGroup outputGroup, string defaultEncodingName)
{
var inputGroups = new List <InputGroup>();
if (outputGroup != null)
{
if (outputGroup.Inputs.Count == 0)
{
try
{
// try setting the input encoding - sometimes this fails!
Console.InputEncoding = GetInputEncoding(defaultEncodingName);
}
catch (IOException e)
{
// error setting the encoding input; just use whatever the default is
System.Diagnostics.Debug.WriteLine(e.ToString());
}
var sourceComment = outputGroup.CodeType == CodeType.StyleSheet
? "/*/#SOURCE 1 1 stdin */\r\n"
: "///#SOURCE 1 1 stdin\r\n";
// read from stdin, append to the builder, then create a single project input group
// from the build code.
var sourceCode = Console.In.ReadToEnd();
inputGroups.Add(new InputGroup
{
RawSource = sourceCode,
Source = sourceComment + sourceCode,
Origin = SourceOrigin.Project
});
}
else
{
// start off saying the previous item ends in a semicolon so we don't add one before the first file
var fileReadBuilder = new FileReadBuilder {
EndsInSemicolon = true
};
for (var ndx = 0; ndx < outputGroup.Inputs.Count; ++ndx)
{
var inputFile = outputGroup.Inputs[ndx];
if (inputFile.Origin == SourceOrigin.External)
{
// we found an external input file.
// if we were building up project input files, dump what we have into a new group and clear it out
if (fileReadBuilder.Length > 0)
{
inputGroups.Add(new InputGroup
{
Source = fileReadBuilder.ToString(),
RawSource = fileReadBuilder.ToRawString(),
Origin = SourceOrigin.Project
});
}
// read the content of the external file, passing in false for whether the previous file
// ended in a semicolon so that one will ALWAYS get prepended. Add a new input group for the
// content by itself, and then always reset the semicolon flag to false so that the NEXT code
// will be separated from the external code with another semicolon.
fileReadBuilder.Clear();
ReadFile(inputFile, fileReadBuilder, outputGroup.CodeType, defaultEncodingName);
inputGroups.Add(new InputGroup
{
Source = fileReadBuilder.ToString(),
RawSource = fileReadBuilder.ToRawString(),
Origin = SourceOrigin.External
});
fileReadBuilder.Clear();
fileReadBuilder.EndsInSemicolon = false;
}
else
{
// read the project input file into the group builder, with context.
ReadFile(inputFile, fileReadBuilder, outputGroup.CodeType, defaultEncodingName);
}
}
// if there is anything left, add it as a new input group now
if (fileReadBuilder.Length > 0)
{
inputGroups.Add(new InputGroup
{
Source = fileReadBuilder.ToString(),
RawSource = fileReadBuilder.ToRawString(),
Origin = SourceOrigin.Project
});
}
}
}
return(inputGroups);
}
