GIT: perform LF normalization
This commit is contained in:
Gary Sharp
@@ -1,140 +1,140 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.IO;
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using System.Web;
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using dotless.Core;
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using dotless.Core.configuration;
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using System.Web.Optimization;
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namespace Disco.Web.Extensions.MvcExtensions.Bundles
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{
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public class LessCompile : IBundleTransform
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{
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internal static string CssContentType;
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internal static readonly ILessEngine Instance;
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static LessCompile()
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{
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CssContentType = "text/css";
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Instance = new EngineFactory(new DotlessConfiguration()
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{
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CacheEnabled = false,
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MinifyOutput = true
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}).GetEngine();
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}
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public void Process(BundleContext context, BundleResponse response)
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{
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if (context == null)
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throw new ArgumentNullException("context");
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if (response == null)
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throw new ArgumentNullException("response");
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if (!context.EnableInstrumentation)
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{
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try
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{
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StringBuilder bundleContent = new StringBuilder();
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Uri appRootPath = new Uri(HttpContext.Current.Request.PhysicalApplicationPath);
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var restoreEnvironmentCurrentDirectory = Environment.CurrentDirectory;
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foreach (FileInfo file in response.Files)
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{
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string fileContent = File.ReadAllText(file.FullName);
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Uri fileRootPath = new Uri(file.DirectoryName + "/");
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// Less Compile
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Environment.CurrentDirectory = file.DirectoryName;
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fileContent = Instance.TransformToCss(fileContent, file.FullName);
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// Embed Images
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fileContent = EmbedCssImages(fileContent, fileRootPath, appRootPath);
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bundleContent.Append(fileContent);
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}
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if (!Environment.CurrentDirectory.Equals(restoreEnvironmentCurrentDirectory))
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Environment.CurrentDirectory = restoreEnvironmentCurrentDirectory;
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response.Content = bundleContent.ToString();
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}
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catch (Exception ex)
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{
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GenerateErrorResponse(response, new string[] { ex.GetType().Name, ex.Message, ex.StackTrace });
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}
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}
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response.ContentType = CssContentType;
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}
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private static string EmbedCssImages(string cssContent, Uri fileRootPath, Uri appRootPath)
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{
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return Regex.Replace(cssContent, "url\\((.*?)\\)", m =>
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{
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var cssFilename = m.Groups[1].Value.Trim(new char[] { '\'', '"' });
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Uri fileUri;
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if (cssFilename.StartsWith("/"))
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fileUri = new Uri(appRootPath, cssFilename);
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else
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fileUri = new Uri(fileRootPath, cssFilename);
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if (File.Exists(fileUri.LocalPath))
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{
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var fileInfo = new FileInfo(fileUri.LocalPath);
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// Ensure File is < 250kb
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if (fileInfo.Length < 256000)
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{
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string contentType = null;
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switch (fileInfo.Extension)
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{
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case ".png":
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contentType = "image/png";
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break;
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case ".gif":
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contentType = "image/gif";
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break;
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case ".jpg":
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case ".jpeg":
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contentType = "image/jpeg";
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break;
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default:
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return m.Value;
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}
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StringBuilder sb = new StringBuilder();
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sb.Append("url(data:");
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sb.Append(contentType);
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sb.Append(";base64,");
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sb.Append(Convert.ToBase64String(File.ReadAllBytes(fileInfo.FullName)));
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sb.Append(")");
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return sb.ToString();
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}
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else
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{
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return string.Format("url(/{0})", appRootPath.MakeRelativeUri(fileUri).ToString());
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}
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}
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else
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{
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throw new FileNotFoundException(string.Format("Unable to embed css image, file not found: '{0}' at '{1}'", cssFilename, fileUri.AbsolutePath), cssFilename);
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}
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});
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}
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internal static void GenerateErrorResponse(BundleResponse bundle, ICollection<string> errors)
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{
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StringBuilder builder = new StringBuilder();
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builder.Append("/* ");
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builder.Append("Bundle creation failed [LessCompile].").Append("\r\n");
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foreach (string str in errors)
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{
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builder.Append(str).Append("\r\n");
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}
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builder.Append(" */\r\n");
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bundle.Content = builder.ToString();
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}
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}
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}
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.IO;
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using System.Web;
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using dotless.Core;
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using dotless.Core.configuration;
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using System.Web.Optimization;
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namespace Disco.Web.Extensions.MvcExtensions.Bundles
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{
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public class LessCompile : IBundleTransform
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{
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internal static string CssContentType;
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internal static readonly ILessEngine Instance;
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static LessCompile()
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{
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CssContentType = "text/css";
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Instance = new EngineFactory(new DotlessConfiguration()
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{
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CacheEnabled = false,
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MinifyOutput = true
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}).GetEngine();
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}
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public void Process(BundleContext context, BundleResponse response)
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{
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if (context == null)
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throw new ArgumentNullException("context");
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if (response == null)
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throw new ArgumentNullException("response");
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if (!context.EnableInstrumentation)
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{
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try
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{
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StringBuilder bundleContent = new StringBuilder();
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Uri appRootPath = new Uri(HttpContext.Current.Request.PhysicalApplicationPath);
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var restoreEnvironmentCurrentDirectory = Environment.CurrentDirectory;
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foreach (FileInfo file in response.Files)
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{
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string fileContent = File.ReadAllText(file.FullName);
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Uri fileRootPath = new Uri(file.DirectoryName + "/");
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// Less Compile
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Environment.CurrentDirectory = file.DirectoryName;
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fileContent = Instance.TransformToCss(fileContent, file.FullName);
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// Embed Images
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fileContent = EmbedCssImages(fileContent, fileRootPath, appRootPath);
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bundleContent.Append(fileContent);
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}
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if (!Environment.CurrentDirectory.Equals(restoreEnvironmentCurrentDirectory))
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Environment.CurrentDirectory = restoreEnvironmentCurrentDirectory;
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response.Content = bundleContent.ToString();
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}
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catch (Exception ex)
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{
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GenerateErrorResponse(response, new string[] { ex.GetType().Name, ex.Message, ex.StackTrace });
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}
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}
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response.ContentType = CssContentType;
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}
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private static string EmbedCssImages(string cssContent, Uri fileRootPath, Uri appRootPath)
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{
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return Regex.Replace(cssContent, "url\\((.*?)\\)", m =>
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{
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var cssFilename = m.Groups[1].Value.Trim(new char[] { '\'', '"' });
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Uri fileUri;
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if (cssFilename.StartsWith("/"))
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fileUri = new Uri(appRootPath, cssFilename);
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else
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fileUri = new Uri(fileRootPath, cssFilename);
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if (File.Exists(fileUri.LocalPath))
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{
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var fileInfo = new FileInfo(fileUri.LocalPath);
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// Ensure File is < 250kb
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if (fileInfo.Length < 256000)
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{
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string contentType = null;
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switch (fileInfo.Extension)
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{
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case ".png":
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contentType = "image/png";
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break;
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case ".gif":
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contentType = "image/gif";
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break;
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case ".jpg":
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case ".jpeg":
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contentType = "image/jpeg";
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break;
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default:
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return m.Value;
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}
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StringBuilder sb = new StringBuilder();
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sb.Append("url(data:");
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sb.Append(contentType);
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sb.Append(";base64,");
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sb.Append(Convert.ToBase64String(File.ReadAllBytes(fileInfo.FullName)));
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sb.Append(")");
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return sb.ToString();
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}
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else
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{
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return string.Format("url(/{0})", appRootPath.MakeRelativeUri(fileUri).ToString());
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}
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}
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else
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{
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throw new FileNotFoundException(string.Format("Unable to embed css image, file not found: '{0}' at '{1}'", cssFilename, fileUri.AbsolutePath), cssFilename);
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}
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});
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}
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internal static void GenerateErrorResponse(BundleResponse bundle, ICollection<string> errors)
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{
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StringBuilder builder = new StringBuilder();
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builder.Append("/* ");
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builder.Append("Bundle creation failed [LessCompile].").Append("\r\n");
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foreach (string str in errors)
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{
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builder.Append(str).Append("\r\n");
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}
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builder.Append(" */\r\n");
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bundle.Content = builder.ToString();
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}
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}
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}
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