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)
{
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)
{
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()));
}
}
}
