JsonRPC/src/targets/csharp.ts

339 lines
9.8 KiB
TypeScript

import {
TypeDefinition,
ServiceDefinition,
EnumDefinition,
TypeFieldDefinition,
Step,
} from "../ir";
import { CompileTarget } from "../compile";
type lineAppender = (ind: number, line: string | string[]) => void;
const conversion = {
boolean: "bool",
number: "double",
string: "string",
void: "void",
bytes: ""
};
function toCSharpType(type: string): string {
return (conversion as any)[type] || type;
}
export class CSharpTarget extends CompileTarget<{ csharp_namespace: string }> {
name: string = "c#";
get namespace() {
return this.options.csharp_namespace || "JRPC";
}
start(): void {
if(this.options.use_messagepack == true) {
throw new Error("C# has no support for MessagePack yet!");
}
this.writeFile(
this.namespace + ".csproj",
this.getTemplate("CSharp/CSharp.csproj")
);
const fixNS = (input: string) =>
input.replace("__NAMESPACE__", this.namespace);
const copyClass = (name: string) =>
this.writeFile(
name + ".cs",
fixNS(this.getTemplate(`CSharp/${name}.cs`))
);
copyClass("JRpcClient");
copyClass("JRpcServer");
copyClass("JRpcTransport");
}
generateType(definition: TypeDefinition): void {
let lines: string[] = [];
const a: lineAppender = (i, t) => {
if (!Array.isArray(t)) {
t = [t];
}
t.forEach((l) => lines.push(" ".repeat(i) + l.trim()));
};
a(0, `using System.Text.Json;`);
a(0, `using System.Text.Json.Serialization;`);
a(0, `using System.Collections.Generic;`);
a(0, ``);
a(0, `namespace ${this.namespace};`);
a(0, ``);
a(0, `public class ${definition.name} {`);
for (const field of definition.fields) {
if (field.array) {
a(
1,
`public IList<${toCSharpType(field.type)}>? ${
field.name
} { get; set; }`
);
} else if (field.map) {
a(
1,
`public Dictionary<${toCSharpType(field.map)}, ${toCSharpType(
field.type
)}>? ${field.name} { get; set; }`
);
} else {
a(
1,
`public ${toCSharpType(field.type)}? ${field.name} { get; set; }`
);
}
}
a(0, `}`);
this.writeFile(`${definition.name}.cs`, lines.join("\n"));
}
generateEnum(definition: EnumDefinition): void {
let lines: string[] = [];
const a: lineAppender = (i, t) => {
if (!Array.isArray(t)) {
t = [t];
}
t.forEach((l) => lines.push(" ".repeat(i) + l.trim()));
};
a(0, `using System.Text.Json;`);
a(0, `using System.Text.Json.Serialization;`);
a(0, ``);
a(0, `namespace ${this.namespace};`);
a(0, ``);
a(0, `public enum ${definition.name} {`);
for (const field of definition.values) {
a(1, `${field.name} = ${field.value},`);
}
a(0, `}`);
this.writeFile(`${definition.name}.cs`, lines.join("\n"));
}
generateServiceClient(definition: ServiceDefinition) {
let lines: string[] = [];
const a: lineAppender = (i, t) => {
if (!Array.isArray(t)) {
t = [t];
}
t.forEach((l) => lines.push(" ".repeat(i) + l.trim()));
};
a(0, `using System.Text.Json;`);
a(0, `using System.Text.Json.Serialization;`);
a(0, `using System.Text.Json.Nodes;`);
a(0, `using System.Threading.Tasks;`);
a(0, ``);
a(0, `namespace ${this.namespace};`);
a(0, ``);
a(0, `public class ${definition.name}Client {`);
a(0, ``);
a(1, `private JRpcClient Client;`);
a(0, ``);
a(1, `public ${definition.name}Client(JRpcClient client) {`);
a(2, `this.Client = client;`);
a(1, `}`);
a(0, ``);
for (const fnc of definition.functions) {
let params = fnc.inputs
.map((inp) => {
if (inp.array) {
return `List<${toCSharpType(inp.type)}> ${inp.name}`;
} else {
return `${toCSharpType(inp.type)} ${inp.name}`;
}
})
.join(", ");
const genParam = () =>
a(
2,
`var param = new JsonArray(${fnc.inputs
.map((e) => `JsonSerializer.SerializeToNode(${e.name})`)
.join(", ")});`
);
if (fnc.return) {
if (fnc.return.type == "void") {
a(1, `public async Task ${fnc.name}(${params}) {`);
genParam();
a(
2,
`await this.Client.SendRequestRaw("${definition.name}.${fnc.name}", param);`
);
a(1, `}`);
} else {
let ret = fnc.return
? fnc.return.array
? `IList<${toCSharpType(fnc.return.type)}>`
: toCSharpType(fnc.return.type)
: undefined;
a(1, `public async Task<${ret}> ${fnc.name}(${params}) {`);
genParam();
a(
2,
`return await this.Client.SendRequest<${ret}>("${definition.name}.${fnc.name}", param);`
);
a(1, `}`);
}
} else {
//Notification
a(1, `public void ${fnc.name}(${params}) {`);
genParam();
a(
2,
`this.Client.SendNotification("${definition.name}.${fnc.name}", param);`
);
a(1, `}`);
}
a(1, ``);
}
// a(0, ``);
// a(0, ``);
// a(0, ``);
a(0, `}`);
this.writeFile(`${definition.name}Client.cs`, lines.join("\n"));
}
generateServiceServer(definition: ServiceDefinition) {
let lines: string[] = [];
const a: lineAppender = (i, t) => {
if (!Array.isArray(t)) {
t = [t];
}
t.forEach((l) => lines.push(" ".repeat(i) + l.trim()));
};
a(0, `using System.Text.Json;`);
a(0, `using System.Text.Json.Serialization;`);
a(0, `using System.Text.Json.Nodes;`);
a(0, `using System.Threading.Tasks;`);
a(0, ``);
a(0, `namespace ${this.namespace};`);
a(0, ``);
a(
0,
`public abstract class ${definition.name}Server<TContext> : JRpcService<TContext> {`
);
a(0, ``);
a(1, `public override string Name {`);
a(2, `get {`);
a(3, `return "${definition.name}";`);
a(2, `}`);
a(1, `}`);
a(0, ``);
a(1, `public ${definition.name}Server() {`);
for (const fnc of definition.functions) {
a(2, `this.RegisterFunction("${fnc.name}");`);
}
a(1, `}`);
a(0, ``);
for (const fnc of definition.functions) {
let params = [
...fnc.inputs.map((inp) => {
if (inp.array) {
return `List<${toCSharpType(inp.type)}> ${inp.name}`;
} else {
return `${toCSharpType(inp.type)} ${inp.name}`;
}
}),
"TContext ctx",
].join(", ");
if (fnc.return) {
if (fnc.return.type == "void") {
a(1, `public abstract Task ${fnc.name}(${params});`);
} else {
let ret = fnc.return
? fnc.return.array
? `IList<${toCSharpType(fnc.return.type)}>`
: toCSharpType(fnc.return.type)
: undefined;
a(1, `public abstract Task<${ret}> ${fnc.name}(${params});`);
}
} else {
a(1, `public abstract void ${fnc.name}(${params});`);
}
}
a(0, ``);
a(
1,
`public async override Task<JsonNode?> HandleRequest(string func, JsonNode param, TContext context) {`
);
a(2, `switch(func) {`);
for (const fnc of definition.functions) {
a(3, `case "${fnc.name}": {`);
a(4, `if(param is JsonObject) {`);
a(
5,
`var ja = new JsonArray(${fnc.inputs
.map((inp) => {
return `param["${inp.name}"]`;
})
.join(", ")});`
);
a(5, `param = ja;`);
a(4, `}`);
let pref = "";
if (fnc.return) {
if (fnc.return.type != "void") pref = "var result = await ";
else pref = "await ";
}
a(
4,
pref +
`this.${fnc.name}(${[
...fnc.inputs.map((inp, idx) => {
let type = inp.array
? `List<${toCSharpType(inp.type)}>`
: `${toCSharpType(inp.type)}`;
return `param[${idx}]!.Deserialize<${type}>()`;
}),
"context",
].join(", ")});`
);
if (fnc.return && fnc.return.type != "void") {
// if(fnc.return.type == "void") {
// a(3, `return null;`);
// } else {
// a(3, ``);
// }
a(4, `return JsonSerializer.SerializeToNode(result);`);
// a(3, ``);
} else {
a(4, `return null;`);
}
a(3, `}`);
a(0, ``);
}
a(3, `default:`);
a(4, `throw new Exception("Invalid Method!");`);
// a(0, ``);
// a(0, ``);
// a(0, ``);
a(2, `}`);
a(1, `}`);
a(0, `}`);
this.writeFile(`${definition.name}Server.cs`, lines.join("\n"));
}
generateService(definition: ServiceDefinition): void {
this.generateServiceClient(definition);
this.generateServiceServer(definition);
}
finalize(steps: Step[]): void {}
}