116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
package codegen
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import (
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"bytes"
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"fmt"
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"git.zio.sh/astra/go-tdlib/tlparser"
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)
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func GenerateFunctions(schema *tlparser.Schema, packageName string) []byte {
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buf := bytes.NewBufferString("")
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buf.WriteString(fmt.Sprintf("%s\n\npackage %s\n\n", header, packageName))
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buf.WriteString(`import (
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"errors"
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)`)
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buf.WriteString("\n")
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for _, function := range schema.Functions {
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tdlibFunction := TdlibFunction(function.Name, schema)
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tdlibFunctionReturn := TdlibFunctionReturn(function.Class, schema)
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if len(function.Properties) > 0 {
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buf.WriteString("\n")
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buf.WriteString(fmt.Sprintf("type %sRequest struct { \n", tdlibFunction.ToGoName()))
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for _, property := range function.Properties {
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tdlibTypeProperty := TdlibTypeProperty(property.Name, property.Type, schema)
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buf.WriteString(fmt.Sprintf(" // %s\n", property.Description))
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buf.WriteString(fmt.Sprintf(" %s %s `json:\"%s\"`\n", tdlibTypeProperty.ToGoName(), tdlibTypeProperty.ToGoType(), property.Name))
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}
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buf.WriteString("}\n")
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}
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buf.WriteString("\n")
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buf.WriteString("// " + function.Description)
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buf.WriteString("\n")
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requestArgument := ""
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if len(function.Properties) > 0 {
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requestArgument = fmt.Sprintf("req *%sRequest", tdlibFunction.ToGoName())
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}
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buf.WriteString(fmt.Sprintf("func (client *Client) %s(%s) (%s, error) {\n", tdlibFunction.ToGoName(), requestArgument, tdlibFunctionReturn.ToGoReturn()))
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sendMethod := "Send"
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if function.IsSynchronous {
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sendMethod = "jsonClient.Execute"
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}
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if len(function.Properties) > 0 {
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buf.WriteString(fmt.Sprintf(` result, err := client.%s(Request{
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meta: meta{
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Type: "%s",
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},
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Data: map[string]interface{}{
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`, sendMethod, function.Name))
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for _, property := range function.Properties {
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tdlibTypeProperty := TdlibTypeProperty(property.Name, property.Type, schema)
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buf.WriteString(fmt.Sprintf(" \"%s\": req.%s,\n", property.Name, tdlibTypeProperty.ToGoName()))
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}
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buf.WriteString(` },
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})
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`)
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} else {
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buf.WriteString(fmt.Sprintf(` result, err := client.%s(Request{
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meta: meta{
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Type: "%s",
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},
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Data: map[string]interface{}{},
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})
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`, sendMethod, function.Name))
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}
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buf.WriteString(` if err != nil {
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return nil, err
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}
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if result.Type == "error" {
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return nil, buildResponseError(result.Data)
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}
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`)
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if tdlibFunctionReturn.IsClass() {
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buf.WriteString(" switch result.Type {\n")
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for _, subType := range tdlibFunctionReturn.GetClass().GetSubTypes() {
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buf.WriteString(fmt.Sprintf(` case %s:
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return Unmarshal%s(result.Data)
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`, subType.ToTypeConst(), subType.ToGoType()))
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}
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buf.WriteString(` default:
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return nil, errors.New("invalid type")
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`)
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buf.WriteString(" }\n")
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} else {
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buf.WriteString(fmt.Sprintf(` return Unmarshal%s(result.Data)
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`, tdlibFunctionReturn.ToGoType()))
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}
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buf.WriteString("}\n")
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}
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return buf.Bytes()
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}
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