mirror of
https://github.com/navidrome/navidrome.git
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de90e191bb
- Implemented hostgen tool to generate wrappers from annotated Go interfaces. - Added command-line flags for input/output directories and package name. - Introduced parsing and code generation logic for host services. - Created test data for various service interfaces and expected generated code. - Added documentation for host services and annotations for code generation. - Implemented SubsonicAPI service with corresponding generated code.
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Code generated by hostgen. DO NOT EDIT.
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package testpkg
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import (
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"context"
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"encoding/json"
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extism "github.com/extism/go-sdk"
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)
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// MathAddResponse is the response type for Math.Add.
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type MathAddResponse struct {
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Result int32 `json:"result,omitempty"`
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Error string `json:"error,omitempty"`
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}
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// RegisterMathHostFunctions registers Math service host functions.
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// The returned host functions should be added to the plugin's configuration.
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func RegisterMathHostFunctions(service MathService) []extism.HostFunction {
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return []extism.HostFunction{
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newMathAddHostFunction(service),
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}
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}
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func newMathAddHostFunction(service MathService) extism.HostFunction {
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return extism.NewHostFunctionWithStack(
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"math_add",
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func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
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// Read parameters from stack
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a := extism.DecodeI32(stack[0])
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b := extism.DecodeI32(stack[1])
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// Call the service method
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result, err := service.Add(ctx, a, b)
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if err != nil {
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mathWriteError(p, stack, err)
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return
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}
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// Write JSON response to plugin memory
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resp := MathAddResponse{
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Result: result,
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}
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mathWriteResponse(p, stack, resp)
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},
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[]extism.ValueType{extism.ValueTypeI32, extism.ValueTypeI32},
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[]extism.ValueType{extism.ValueTypePTR},
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)
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}
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// mathWriteResponse writes a JSON response to plugin memory.
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func mathWriteResponse(p *extism.CurrentPlugin, stack []uint64, resp any) {
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respBytes, err := json.Marshal(resp)
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if err != nil {
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mathWriteError(p, stack, err)
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return
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}
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respPtr, err := p.WriteBytes(respBytes)
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if err != nil {
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stack[0] = 0
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return
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}
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stack[0] = respPtr
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}
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// mathWriteError writes an error response to plugin memory.
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func mathWriteError(p *extism.CurrentPlugin, stack []uint64, err error) {
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errResp := struct {
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Error string `json:"error"`
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}{Error: err.Error()}
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respBytes, _ := json.Marshal(errResp)
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respPtr, _ := p.WriteBytes(respBytes)
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stack[0] = respPtr
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}
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