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public static Exec ( string filename, string args, TextReader stdIn = null, |
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| filename | string | |
| args | string | |
| stdIn | TextReader | |
| stdOut | ||
| stdErr | ||
| encoding | ||
| workingDirectory | string | |
| return | int | |
/// <summary>
/// Returns an array of file names representing all of the dependencies of the specified *.less file (not including itself).
/// </summary>
public static string[] GetDependencies(string lessFilePath)
{
lessFilePath = Path.GetFullPath(lessFilePath);
using (var output = new StringWriter())
using (var errors = new StringWriter())
{
// We would use 'lessc --depends' but it returns a space-delimited list of filenames
// which will be problematic to parse if there are spaces in your filenames...
var dependsJS = @"
var sys = require('util'),
fs = require('fs'),
path = require('path'),
lessfile = process.argv[1],
data = fs.readFileSync(lessfile).toString(),
less = require('./node_modules/less/lib/less');
process.chdir(path.dirname(lessfile));
var parser = new less.Parser();
parser.parse(data, function (err, tree) {
if (err) {
less.writeError(err);
return 1;
}
else {
for (var file in parser.imports.files) {
sys.puts(path.resolve(file));
}
return 0;
}
});";
string args = "--eval \"" + dependsJS + "\" \"" + lessFilePath + "\"";
int exitCode = ProcessUtil.Exec(NodeExe,
args: args,
stdIn: null,
stdOut: output,
stdErr: errors,
workingDirectory: TempDirectory
);
if (exitCode != 0)
{
string errorText = errors.ToString().Trim();
if (string.IsNullOrEmpty(errorText))
{
errorText = output.ToString().Trim();
}
throw new ApplicationException(string.Format("Error {0} in '{1}': \r\n{2}",
exitCode,
lessFilePath,
errorText));
}
return(output.ToString().Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
}
}
static ScriptHandlerBase()
{
extractNodeJs();
NodeExe = Path.Combine(TempDirectory, "node.exe");
// Use installed version of node if found on PATH
if (ProcessUtil.Exec("cmd.exe", "/c where node.exe") == 0)
{
NodeExe = "node.exe";
}
}
int executeJScript(string scriptPath, string args, TextReader stdin, TextWriter stdout, TextWriter stderr, Encoding encoding)
{
args = "//E:JScript //nologo \"" + scriptPath + "\" " + args;
if (encoding == Encoding.Unicode)
{
args = "//U " + args;
}
int exitCode = ProcessUtil.Exec("cscript.exe", args, stdin, stdout, stderr, encoding);
return(exitCode);
}
void renderScript(string scriptFileName, TextWriter output)
{
using (var scriptFile = new StreamReader(scriptFileName))
using (var stdErr = new StringWriter())
{
Debug.WriteLine("Compiling " + scriptFileName);
int exitCode = ProcessUtil.Exec(NodeExe,
"\"" + _coffee + "\" --compile --stdio",
scriptFile, output, stdErr);
if (exitCode != 0)
{
output.WriteLine("throw \"Error in " + Path.GetFileName(scriptFileName).JsEncode() + ": "
+ stdErr.ToString().Trim().JsEncode() + "\";");
}
}
}
void renderScript(string scriptFileName, TextWriter output)
{
/*
* Usage: coffee [options] path/to/script.coffee -- [args]
* If called without options, `coffee` will run your script.
*
* -b, --bare compile without a top-level function wrapper
* -c, --compile compile to JavaScript and save as .js files
* -e, --eval pass a string from the command line as input
* -h, --help display this help message
* -i, --interactive run an interactive CoffeeScript REPL
* -j, --join concatenate the source CoffeeScript before compiling
* -m, --map generate source map and save as .map files
* -n, --nodes print out the parse tree that the parser produces
* --nodejs pass options directly to the "node" binary
* -o, --output set the output directory for compiled JavaScript
* -p, --print print out the compiled JavaScript
* -s, --stdio listen for and compile scripts over stdio
* -l, --literate treat stdio as literate style coffee-script
* -t, --tokens print out the tokens that the lexer/rewriter produce
* -v, --version display the version number
* -w, --watch watch scripts for changes and rerun commands
*/
using (var scriptFile = new StreamReader(scriptFileName))
using (var stdErr = new StringWriter())
{
Debug.WriteLine("Compiling " + scriptFileName);
int exitCode = ProcessUtil.Exec(NodeExe,
"\"" + _coffee + "\" --compile --stdio",
scriptFile, output, stdErr);
if (exitCode != 0)
{
output.WriteLine("throw \"Error in " + Path.GetFileName(scriptFileName).JsEncode() + ": "
+ stdErr.ToString().Trim().JsEncode() + "\";");
}
}
}
public static void RenderCss(string lessFilePath, TextWriter output, bool compress = true, string lessPrologue = null, string lessPostscript = null, string lineNumbers = null)
{
TextReader lessStream;
string lessSrc = File.ReadAllText(lessFilePath);
lessStream = new StringReader(
lessPrologue
+ lessSrc
+ lessPostscript
);
using (lessStream)
using (var errors = new StringWriter())
{
string dirname = Path.GetDirectoryName(lessFilePath);
if (dirname.Contains(' '))
{
throw new ApplicationException("lessc doesn't support file paths with spaces '" + dirname + "'");
}
/*
* usage: lessc [option option=parameter ...] <source> [destination]
*
* If source is set to `-' (dash or hyphen-minus), input is read from stdin.
*
* options:
* -h, --help Print help (this message) and exit.
* --include-path Set include paths. Separated by `:'. Use `;' on Windows.
* --no-color Disable colorized output.
* -s, --silent Suppress output of error messages.
* --strict-imports Force evaluation of imports.
* --verbose Be verbose.
* -v, --version Print version number and exit.
* -x, --compress Compress output by removing some whitespaces.
* --yui-compress Compress output using ycssmin
* -O0, -O1, -O2 Set the parser's optimization level. The lower
* the number, the less nodes it will create in the
* tree. This could matter for debugging, or if you
* want to access the individual nodes in the tree.
* --line-numbers=TYPE Outputs filename and line numbers.
* TYPE can be either 'comments', which will output
* the debug info within comments, 'mediaquery'
* that will output the information within a fake
* media query which is compatible with the SASS
* format, and 'all' which will do both.
* -rp, --rootpath Set rootpath for url rewriting in relative imports and urls.
* Works with or withour the relative-urls option.
* -ru, --relative-urls re-write relative urls to the base less file.
*/
string args = "\"" + _lessc + "\""
+ " -" // read from stdin
+ (compress ? " --yui-compress" : "")
+ " --include-path=" + dirname
+ " --no-color"
+ (lineNumbers != null ? " --line-numbers=" + lineNumbers : "");
int exitCode = ProcessUtil.Exec(NodeExe,
args: args,
stdIn: lessStream,
stdOut: output,
stdErr: errors);
if (exitCode != 0)
{
throw new ApplicationException(string.Format("Error {0} in '{1}': \r\n{2}",
exitCode,
lessFilePath,
errors.ToString().Trim()));
}
}
}
public static void RenderCss(string lessFilePath, TextWriter output, bool compress = true, string lessPrologue = null, string lessPostscript = null, string lineNumbers = null)
{
TextReader lessStream;
string lessSrc = File.ReadAllText(lessFilePath);
lessStream = new StringReader(
lessPrologue
+ lessSrc
+ lessPostscript
);
using (lessStream)
using (var errors = new StringWriter())
{
/*
* usage: lessc [option option=parameter ...] <source> [destination]
*
* If source is set to `-' (dash or hyphen-minus), input is read from stdin.
*
* options:
* -h, --help Print help (this message) and exit.
* --include-path=PATHS Set include paths. Separated by `:'. Use `;' on Windows.
* -M, --depends Output a makefile import dependency list to stdout
* --no-color Disable colorized output.
* --no-ie-compat Disable IE compatibility checks.
* -l, --lint Syntax check only (lint).
* -s, --silent Suppress output of error messages.
* --strict-imports Force evaluation of imports.
* --verbose Be verbose.
* -v, --version Print version number and exit.
* -x, --compress Compress output by removing some whitespaces.
* --yui-compress Compress output using ycssmin
* --max-line-len=LINELEN Max line length used by ycssmin
* -O0, -O1, -O2 Set the parser's optimization level. The lower
* the number, the less nodes it will create in the
* tree. This could matter for debugging, or if you
* want to access the individual nodes in the tree.
* --line-numbers=TYPE Outputs filename and line numbers.
* TYPE can be either 'comments', which will output
* the debug info within comments, 'mediaquery'
* that will output the information within a fake
* media query which is compatible with the SASS
* format, and 'all' which will do both.
* -rp, --rootpath=URL Set rootpath for url rewriting in relative imports and urls.
* Works with or without the relative-urls option.
* -ru, --relative-urls re-write relative urls to the base less file.
* -sm=on|off Turn on or off strict math, where in strict mode, math
* --strict-math=on|off requires brackets. This option may default to on and then
* be removed in the future.
* -su=on|off Allow mixed units, e.g. 1px+1em or 1px*1px which have units
* --strict-units=on|off that cannot be represented.
*/
string args = "\"" + _lessc + "\""
+ " -" // read from stdin
+ (compress ? " --yui-compress" : "")
+ " --no-color"
+ (lineNumbers != null ? " --line-numbers=" + lineNumbers : "");
int exitCode = ProcessUtil.Exec(NodeExe,
args: args,
stdIn: lessStream,
stdOut: output,
stdErr: errors,
workingDirectory: Path.GetDirectoryName(lessFilePath));
if (exitCode != 0)
{
throw new ApplicationException(string.Format("Error {0} in '{1}': \r\n{2}",
exitCode,
lessFilePath,
errors.ToString().Trim()));
}
}
}
public static void RenderCss(string lessFilePath, TextWriter output, bool compress = true, string lessPrologue = null, string lessPostscript = null, string lineNumbers = null)
{
using (var errors = new StringWriter())
{
#region lessc usage
/*
* usage: lessc [option option=parameter ...] <source> [destination]
*
* If source is set to `-' (dash or hyphen-minus), input is read from stdin.
*
* options:
* -h, --help Print help (this message) and exit.
* --include-path=PATHS Set include paths. Separated by `:'. Use `;' on Windows.
* -M, --depends Output a makefile import dependency list to stdout
* --no-color Disable colorized output.
* --no-ie-compat Disable IE compatibility checks.
* --no-js Disable JavaScript in less files
* -l, --lint Syntax check only (lint).
* -s, --silent Suppress output of error messages.
* --strict-imports Force evaluation of imports.
* --insecure Allow imports from insecure https hosts.
* -v, --version Print version number and exit.
* -x, --compress Compress output by removing some whitespaces.
* --clean-css Compress output using clean-css
* --source-map[=FILENAME] Outputs a v3 sourcemap to the filename (or output filename.map)
* --source-map-rootpath=X adds this path onto the sourcemap filename and less file paths
* --source-map-basepath=X Sets sourcemap base path, defaults to current working directory.
* --source-map-less-inline puts the less files into the map instead of referencing them
* --source-map-map-inline puts the map (and any less files) into the output css file
* -rp, --rootpath=URL Set rootpath for url rewriting in relative imports and urls.
* Works with or without the relative-urls option.
* -ru, --relative-urls re-write relative urls to the base less file.
* -sm=on|off Turn on or off strict math, where in strict mode, math
* --strict-math=on|off requires brackets. This option may default to on and then
* be removed in the future.
* -su=on|off Allow mixed units, e.g. 1px+1em or 1px*1px which have units
* --strict-units=on|off that cannot be represented.
*
* -------------------------- Deprecated ----------------
* -O0, -O1, -O2 Set the parser's optimization level. The lower
* the number, the less nodes it will create in the
* tree. This could matter for debugging, or if you
* want to access the individual nodes in the tree.
* --line-numbers=TYPE Outputs filename and line numbers.
* TYPE can be either 'comments', which will output
* the debug info within comments, 'mediaquery'
* that will output the information within a fake
* media query which is compatible with the SASS
* format, and 'all' which will do both.
* --verbose Be verbose.
*
*/
#endregion
string args = "\"" + _lessc + "\"";
TextReader stdin = null;
if (!string.IsNullOrEmpty(lessPrologue) || !string.IsNullOrEmpty(lessPostscript))
{
stdin = new StringReader(
lessPrologue
+ File.ReadAllText(lessFilePath)
+ lessPostscript
);
args = " -" + args; // read from stdin -- NOTE: THIS DOESN'T SEEM TO WORK ON AZURE?!?
}
else
{
args += " \"" + lessFilePath + "\"";
}
args += (compress ? " --clean-css" : "")
+ " --no-color"
+ (lineNumbers != null ? " --line-numbers=" + lineNumbers : "");
int exitCode = ProcessUtil.Exec(NodeExe,
args: args,
stdIn: stdin,
stdOut: output,
stdErr: errors,
workingDirectory: Path.GetDirectoryName(lessFilePath));
if (exitCode != 0)
{
throw new ApplicationException(string.Format("Error {0} in '{1}': \r\n{2}",
exitCode,
lessFilePath,
errors.ToString().Trim()));
}
}
}
