// todo add to cli tool
/// <summary>
/// 将 T4 模板转换成 cs 代码
/// </summary>
/// <param name="content">模板内容</param>
/// <param name="className">生成的 cs 代码类名</param>
/// <param name="classNamespace">生成的 cs 代码名称空间名</param>
/// <returns>cs 代码内容及其引用的 Reference</returns>
public PreprocessResult PreprocessT4Template(string content, string className, string classNamespace)
{
var result = new Parser(_host).Parse(content);
var transformation = new PreprocessTextTransformation(className, classNamespace, result, _host);
var preprocessedContent = transformation.TransformText();
var preprocessed = new PreprocessResult
{
References = result.References.Distinct().ToArray(),
PreprocessedContent = preprocessedContent
};
return(preprocessed);
}
public void TransformSimpleTextTest()
{
// <#
// foreach (XmlAttribute attr in attributes)
// {
// #>
// Found another one!
// <#
// allAtributes.Add(attr.Name);
// }
// #>
// <#+
// private void OutputFixedAttributeName(string name)
// {
// #>
// Attribute: <#= CultureInfo.CurrentCulture.TextInfo.ToTitleCase(name) #>
// <#+ // <<< Notice that this is also a class feature block.
// }
// #>
var parseResult = new ParseResult();
parseResult.Imports.AddRange(_host.StandardImports);
parseResult.ContentBlocks.AddRange(new List <Block>
{
new Block
{
BlockType = BlockType.StandardControlBlock,
Content = @"
foreach (XmlAttribute attr in attributes)
{
"
},
new Block
{
BlockType = BlockType.TextBlock,
Content = @"
Found another one!
"
},
new Block
{
BlockType = BlockType.StandardControlBlock,
Content = @"
allAtributes.Add(attr.Name);
}"
}
});
parseResult.FeatureBlocks.AddRange(new List <Block>
{
new Block
{
BlockType = BlockType.ClassFeatureControlBlock,
Content = @"
private void OutputFixedAttributeName(string name)
{"
},
new Block
{
BlockType = BlockType.TextBlock,
Content = @"
Attribute: "
},
new Block
{
BlockType = BlockType.ExpressionControlBlock,
Content = @"CultureInfo.CurrentCulture.TextInfo.ToTitleCase(name)"
},
new Block
{
BlockType = BlockType.ClassFeatureControlBlock,
Content = @"
}"
}
});
var transformer = new PreprocessTextTransformation("SimpleText", "Test", parseResult, _host);
var transformResult = transformer.TransformText();
transformResult.Should().NotBeEmpty();
var newLineRegex = new Regex("\r\n|\r|\n");
var expected = newLineRegex.Replace(@"using System;
using TextTemplating;
using TextTemplating.Infrastructure;
using TextTemplating.T4.Parsing;
using TextTemplating.T4.Preprocessing;
namespace Test
{
public partial class SimpleText : TextTransformationBase
{
public override string TransformText()
{
foreach (XmlAttribute attr in attributes)
{
WriteLine();
Write(""Found another one!"");
WriteLine();
allAtributes.Add(attr.Name);
}
return GenerationEnvironment.ToString();
}
private void OutputFixedAttributeName(string name)
{
WriteLine();
Write(""Attribute: "");
Write((CultureInfo.CurrentCulture.TextInfo.ToTitleCase(name)).ToString());
}
}
}
", Environment.NewLine);
newLineRegex.Replace(transformResult, Environment.NewLine).Should().Be(expected);
}