/// <summary>
/// Parses the CSS.
/// </summary>
/// <param name="cssFileName">
/// Name of the CSS file.
/// </param>
/// <param name="selectorPrefix">
/// The selector prefix.
/// </param>
/// <param name="allowImports">
/// if set to <c>true</c> [allow imports].
/// </param>
/// <param name="parseImports">
/// if set to <c>true</c> [parse imports].
/// </param>
/// <param name="includeComments">
/// if set to <c>true</c> [include comments].
/// </param>
/// <param name="sb">
/// The sb.
/// </param>
/// <returns>
/// A string value...
/// </returns>
public string ParseCss(
string cssFileName,
string selectorPrefix,
bool allowImports,
bool parseImports,
bool includeComments,
StringBuilder sb)
{
using (var sr = new StreamReader(cssFileName))
{
var st = new StringTokenizer(sr);
if (sb == null)
{
sb = new StringBuilder();
}
Token token;
try
{
do
{
token = st.Next();
switch (token.Kind)
{
case TokenKind.Comment:
if (includeComments)
{
sb.Append(token.Value);
// sb.Append("\n");
}
break;
case TokenKind.Selector:
if (selectorPrefix == string.Empty)
{
sb.Append(token.Value);
}
else
{
sb.Append(selectorPrefix);
sb.Append(" ");
sb.Append(token.Value);
}
break;
case TokenKind.AtRule:
case TokenKind.Block:
sb.Append(token.Value);
break;
case TokenKind.ImportRule:
if (allowImports && parseImports)
{
// temp
// sb.Append(token.Value);
var filename = token.Value.Replace("@import", string.Empty);
filename = filename.Replace("url", string.Empty);
filename = filename.Replace("(", string.Empty);
filename = filename.Replace(")", string.Empty);
filename = filename.Replace("'", string.Empty);
filename = filename.Replace("\"", string.Empty);
filename = filename.Replace(";", string.Empty).Trim();
filename =
string.Concat(
cssFileName.Substring(0, cssFileName.LastIndexOf(@"\")).Trim(),
"\\",
filename);
var loop = new CssHelper();
loop.ParseCss(
filename, selectorPrefix, allowImports, parseImports, includeComments, sb);
}
else if (allowImports && !parseImports)
{
sb.Append(token.Value);
}
break;
default:
sb.Append(token.Value);
break;
}
}
while (token.Kind != TokenKind.EOF);
}
catch (Exception ex)
{
ErrorHandler.Publish(
LogLevel.Error,
string.Format("Error in parsing CSS file: {0} Message was: {1}", cssFileName, ex.Message));
}
finally
{
sr.Close();
}
return sb.ToString();
}
}
/// <summary>
/// Parses the CSS.
/// </summary>
/// <param name="cssFileName">
/// Name of the CSS file.
/// </param>
/// <param name="selectorPrefix">
/// The selector prefix.
/// </param>
/// <param name="allowImports">
/// if set to <c>true</c> [allow imports].
/// </param>
/// <param name="parseImports">
/// if set to <c>true</c> [parse imports].
/// </param>
/// <param name="includeComments">
/// if set to <c>true</c> [include comments].
/// </param>
/// <param name="sb">
/// The sb.
/// </param>
/// <returns>
/// A string value...
/// </returns>
public string ParseCss(
string cssFileName,
string selectorPrefix,
bool allowImports,
bool parseImports,
bool includeComments,
StringBuilder sb)
{
using (var sr = new StreamReader(cssFileName))
{
var st = new StringTokenizer(sr);
if (sb == null)
{
sb = new StringBuilder();
}
Token token;
try
{
do
{
token = st.Next();
switch (token.Kind)
{
case TokenKind.Comment:
if (includeComments)
{
sb.Append(token.Value);
// sb.Append("\n");
}
break;
case TokenKind.Selector:
if (selectorPrefix == string.Empty)
{
sb.Append(token.Value);
}
else
{
sb.Append(selectorPrefix);
sb.Append(" ");
sb.Append(token.Value);
}
break;
case TokenKind.AtRule:
case TokenKind.Block:
sb.Append(token.Value);
break;
case TokenKind.ImportRule:
if (allowImports && parseImports)
{
// temp
// sb.Append(token.Value);
var filename = token.Value.Replace("@import", string.Empty);
filename = filename.Replace("url", string.Empty);
filename = filename.Replace("(", string.Empty);
filename = filename.Replace(")", string.Empty);
filename = filename.Replace("'", string.Empty);
filename = filename.Replace("\"", string.Empty);
filename = filename.Replace(";", string.Empty).Trim();
filename =
string.Concat(
cssFileName.Substring(0, cssFileName.LastIndexOf(@"\")).Trim(),
"\\",
filename);
var loop = new CssHelper();
loop.ParseCss(
filename, selectorPrefix, allowImports, parseImports, includeComments, sb);
}
else if (allowImports && !parseImports)
{
sb.Append(token.Value);
}
break;
default:
sb.Append(token.Value);
break;
}
}while (token.Kind != TokenKind.EOF);
}
catch (Exception ex)
{
ErrorHandler.Publish(
LogLevel.Error,
string.Format("Error in parsing CSS file: {0} Message was: {1}", cssFileName, ex.Message));
}
finally
{
}
return(sb.ToString());
}
}
