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Code Issues 32 Packages Projects Releases 10 Wiki Activity

Regex.Match (#201)

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This commit is contained in:
Stef Heyenrath
2018-09-07 15:35:47 +02:00
parent cf75b67307
commit ec39d12cfe
5 changed files with 240 additions and 4 deletions
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63
src/WireMock.Net/Transformers/HandleBarsHelpers.cs
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@@ -1,8 +1,12 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Text.RegularExpressions;
using HandlebarsDotNet;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using WireMock.Utils;
using WireMock.Validation;
namespace WireMock.Transformers
@@ -11,9 +15,41 @@ namespace WireMock.Transformers
{
public static void Register()
{
Handlebars.RegisterHelper("Regex.Match", (writer, context, arguments) =>
{
(string stringToProcess, string regexPattern, object defaultValue) = ParseRegexArguments(arguments);
Match match = Regex.Match(stringToProcess, regexPattern);
if (match.Success)
{
writer.WriteSafeString(match.Value);
}
else if (defaultValue != null)
{
writer.WriteSafeString(defaultValue);
}
});
Handlebars.RegisterHelper("Regex.Match", (writer, options, context, arguments) =>
{
(string stringToProcess, string regexPattern, object defaultValue) = ParseRegexArguments(arguments);
var regex = new Regex(regexPattern);
var namedGroups = RegexUtils.GetNamedGroups(regex, stringToProcess);
if (namedGroups.Any())
{
options.Template(writer, namedGroups);
}
else if (defaultValue != null)
{
writer.WriteSafeString(defaultValue);
}
});
Handlebars.RegisterHelper("JsonPath.SelectToken", (writer, context, arguments) =>
{
(JObject valueToProcess, string jsonpath) = Parse(arguments);
(JObject valueToProcess, string jsonpath) = ParseJsonPathArguments(arguments);
JToken result = null;
try
@@ -34,7 +70,7 @@ namespace WireMock.Transformers
Handlebars.RegisterHelper("JsonPath.SelectTokens", (writer, options, context, arguments) =>
{
(JObject valueToProcess, string jsonpath) = Parse(arguments);
(JObject valueToProcess, string jsonpath) = ParseJsonPathArguments(arguments);
IEnumerable<JToken> values = null;
try
@@ -61,7 +97,7 @@ namespace WireMock.Transformers
});
}
private static (JObject valueToProcess, string jsonpath) Parse(object[] arguments)
private static (JObject valueToProcess, string jsonpath) ParseJsonPathArguments(object[] arguments)
{
Check.Condition(arguments, args => args.Length == 2, nameof(arguments));
Check.NotNull(arguments[0], "arguments[0]");
@@ -80,10 +116,29 @@ namespace WireMock.Transformers
break;
default:
throw new NotSupportedException($"The value '{arguments[0]}' with type {arguments[0].GetType()} cannot be used in Handlebars JsonPath.");
throw new NotSupportedException($"The value '{arguments[0]}' with type '{arguments[0]?.GetType()}' cannot be used in Handlebars JsonPath.");
}
return (valueToProcess, arguments[1] as string);
}
private static (string stringToProcess, string regexPattern, object defaultValue) ParseRegexArguments(object[] arguments)
{
Check.Condition(arguments, args => args.Length >= 2, nameof(arguments));
string ParseAsString(object arg)
{
if (arg is string)
{
return arg as string;
}
else
{
throw new NotSupportedException($"The value '{arg}' with type '{arg?.GetType()}' cannot be used in Handlebars Regex.");
}
}
return (ParseAsString(arguments[0]), ParseAsString(arguments[1]), arguments.Length == 3 ? arguments[2] : null);
}
}
}