Patched WebViewPage base class
using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Web; | |
using System.Web.Mvc; | |
using System.Web.WebPages; | |
using System.Web.WebPages.Instrumentation; | |
namespace MvcApplication1.Patches | |
{ | |
public abstract class PatchedWebViewPage : WebViewPage | |
{ | |
protected override void WriteAttributeTo(string pageVirtualPath, TextWriter writer, string name, PositionTagged<string> prefix, PositionTagged<string> suffix, params AttributeValue[] values) | |
{ | |
bool first = true; | |
bool wroteSomething = false; | |
if (values.Length == 0) | |
{ | |
// Explicitly empty attribute, so write the prefix and suffix | |
WritePositionTaggedLiteral(writer, pageVirtualPath, prefix); | |
WritePositionTaggedLiteral(writer, pageVirtualPath, suffix); | |
} | |
else | |
{ | |
for (int i = 0; i < values.Length; i++) | |
{ | |
AttributeValue attrVal = values[i]; | |
PositionTagged<object> val = attrVal.Value; | |
PositionTagged<string> next = i == values.Length - 1 ? | |
suffix : // End of the list, grab the suffix | |
values[i + 1].Prefix; // Still in the list, grab the next prefix | |
bool? boolVal = null; | |
if (val.Value is bool) | |
{ | |
boolVal = (bool)val.Value; | |
} | |
if (val.Value != null && (boolVal == null || boolVal.Value)) | |
{ | |
string valStr = val.Value as string; | |
// This shouldn't be needed any more | |
//if (valStr == null) | |
//{ | |
// valStr = val.Value.ToString(); | |
//} | |
if (boolVal != null) | |
{ | |
valStr = name; | |
} | |
if (first) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, prefix); | |
first = false; | |
} | |
else | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, attrVal.Prefix); | |
} | |
// Calculate length of the source span by the position of the next value (or suffix) | |
int sourceLength = next.Position - attrVal.Value.Position; | |
BeginContext(writer, pageVirtualPath, attrVal.Value.Position, sourceLength, isLiteral: attrVal.Literal); | |
if (attrVal.Literal) | |
{ | |
WriteLiteralTo(writer, val.Value); | |
} | |
else | |
{ | |
// Patch: Don't use valStr, use val.Value | |
WriteTo(writer, val.Value); // Write value | |
} | |
EndContext(writer, pageVirtualPath, attrVal.Value.Position, sourceLength, isLiteral: attrVal.Literal); | |
wroteSomething = true; | |
} | |
} | |
if (wroteSomething) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, suffix); | |
} | |
} | |
} | |
private void WritePositionTaggedLiteral(TextWriter writer, string pageVirtualPath, string value, int position) | |
{ | |
BeginContext(writer, pageVirtualPath, position, value.Length, isLiteral: true); | |
WriteLiteralTo(writer, value); | |
EndContext(writer, pageVirtualPath, position, value.Length, isLiteral: true); | |
} | |
private void WritePositionTaggedLiteral(TextWriter writer, string pageVirtualPath, PositionTagged<string> value) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, value.Value, value.Position); | |
} | |
} | |
} |
using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Web; | |
using System.Web.Mvc; | |
using System.Web.WebPages; | |
using System.Web.WebPages.Instrumentation; | |
namespace MvcApplication1.Patches | |
{ | |
public abstract class PatchedWebViewPage<T> : WebViewPage<T> | |
{ | |
protected override void WriteAttributeTo(string pageVirtualPath, TextWriter writer, string name, PositionTagged<string> prefix, PositionTagged<string> suffix, params AttributeValue[] values) | |
{ | |
bool first = true; | |
bool wroteSomething = false; | |
if (values.Length == 0) | |
{ | |
// Explicitly empty attribute, so write the prefix and suffix | |
WritePositionTaggedLiteral(writer, pageVirtualPath, prefix); | |
WritePositionTaggedLiteral(writer, pageVirtualPath, suffix); | |
} | |
else | |
{ | |
for (int i = 0; i < values.Length; i++) | |
{ | |
AttributeValue attrVal = values[i]; | |
PositionTagged<object> val = attrVal.Value; | |
PositionTagged<string> next = i == values.Length - 1 ? | |
suffix : // End of the list, grab the suffix | |
values[i + 1].Prefix; // Still in the list, grab the next prefix | |
bool? boolVal = null; | |
if (val.Value is bool) | |
{ | |
boolVal = (bool)val.Value; | |
} | |
if (val.Value != null && (boolVal == null || boolVal.Value)) | |
{ | |
string valStr = val.Value as string; | |
// This shouldn't be needed any more | |
//if (valStr == null) | |
//{ | |
// valStr = val.Value.ToString(); | |
//} | |
if (boolVal != null) | |
{ | |
valStr = name; | |
} | |
if (first) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, prefix); | |
first = false; | |
} | |
else | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, attrVal.Prefix); | |
} | |
// Calculate length of the source span by the position of the next value (or suffix) | |
int sourceLength = next.Position - attrVal.Value.Position; | |
BeginContext(writer, pageVirtualPath, attrVal.Value.Position, sourceLength, isLiteral: attrVal.Literal); | |
if (attrVal.Literal) | |
{ | |
WriteLiteralTo(writer, val.Value); | |
} | |
else | |
{ | |
// Patch: Don't use valStr, use val.Value | |
WriteTo(writer, val.Value); // Write value | |
} | |
EndContext(writer, pageVirtualPath, attrVal.Value.Position, sourceLength, isLiteral: attrVal.Literal); | |
wroteSomething = true; | |
} | |
} | |
if (wroteSomething) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, suffix); | |
} | |
} | |
} | |
private void WritePositionTaggedLiteral(TextWriter writer, string pageVirtualPath, string value, int position) | |
{ | |
BeginContext(writer, pageVirtualPath, position, value.Length, isLiteral: true); | |
WriteLiteralTo(writer, value); | |
EndContext(writer, pageVirtualPath, position, value.Length, isLiteral: true); | |
} | |
private void WritePositionTaggedLiteral(TextWriter writer, string pageVirtualPath, PositionTagged<string> value) | |
{ | |
WritePositionTaggedLiteral(writer, pageVirtualPath, value.Value, value.Position); | |
} | |
} | |
} |
<!-- All need to change is the pageBaseType on the <pages> element. Change it to point at your patched page base class. MVC will automatically pick the generic version if @model is used. --> | |
<configuration> | |
<system.web.webPages.razor> | |
<pages pageBaseType="MvcApplication1.Patches.PatchedWebViewPage"> | |
</pages> | |
</system.web.webPages.razor> | |
</configuration> |
<!-- All need to change is the pageBaseType on the <pages> element. Change it to point at your patched page base class. MVC will automatically pick the generic version if @model is used. --> | |
<configuration> | |
<system.web.webPages.razor> | |
<pages pageBaseType="MvcApplication1.Patches.PatchedWebViewPage"> | |
</pages> | |
</system.web.webPages.razor> | |
</configuration> |
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