Add Go API examples for adding punctuations to text. (#1478)

@@ -68,6 +68,13 @@ jobs:
         run: |
           gcc --version
 
+      - name: Test adding punctuation
+        if: matrix.os != 'windows-latest'
+        shell: bash
+        run: |
+          cd go-api-examples/add-punctuation/
+          ./run.sh
+
       - name: Test non-streaming speaker diarization
         if: matrix.os != 'windows-latest'
         shell: bash

@@ -134,6 +134,12 @@ jobs:
           name: ${{ matrix.os }}-libs
           path: to-upload/
 
+      - name: Test adding punctuation
+        shell: bash
+        run: |
+          cd scripts/go/_internal/add-punctuation/
+          ./run.sh
+
       - name: Test non-streaming speaker diarization
         shell: bash
         run: |

+module add-punctuation
+
+go 1.12

+package main
+
+import (
+	sherpa "github.com/k2-fsa/sherpa-onnx-go/sherpa_onnx"
+	"log"
+)
+
+func main() {
+	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
+
+	config := sherpa.OfflinePunctuationConfig{}
+	config.Model.CtTransformer = "./sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12/model.onnx"
+	config.Model.NumThreads = 1
+	config.Model.Provider = "cpu"
+
+	punct := sherpa.NewOfflinePunctuation(&config)
+	defer sherpa.DeleteOfflinePunc(punct)
+
+	textArray := []string{
+		"这是一个测试你好吗How are you我很好thank you are you ok谢谢你",
+		"我们都是木头人不会说话不会动",
+		"The African blogosphere is rapidly expanding bringing more voices online in the form of commentaries opinions analyses rants and poetry",
+	}
+	log.Println("----------")
+	for _, text := range textArray {
+		newText := punct.AddPunct(text)
+		log.Printf("Input text: %v", text)
+		log.Printf("Output text: %v", newText)
+		log.Println("----------")
+	}
+}

+#!/usr/bin/env bash
+
+set -ex
+
+if [ ! -d ./sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12 ]; then
+  curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/punctuation-models/sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12.tar.bz2
+  tar xvf sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12.tar.bz2
+  rm sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12.tar.bz2
+fi
+
+go mod tidy
+go build
+
+./add-punctuation

+module add-punctuation
+
+go 1.12
+
+replace github.com/k2-fsa/sherpa-onnx-go/sherpa_onnx => ../

+../../../../go-api-examples/add-punctuation/main.go
\ No newline at end of file

+../../../../go-api-examples/add-punctuation/run.sh
\ No newline at end of file

@@ -1322,10 +1322,10 @@ func (sd *OfflineSpeakerDiarization) Process(samples []float32) []OfflineSpeaker
 // For punctuation
 // ============================================================
 type OfflinePunctuationModelConfig struct {
-	Ct_transformer string
-	Num_threads    C.int
-	Debug          C.int // true to print debug information of the model
-	Provider       string
+	CtTransformer string
+	NumThreads    C.int
+	Debug         C.int // true to print debug information of the model
+	Provider      string
 }
 
 type OfflinePunctuationConfig struct {
@@ -1338,10 +1338,10 @@ type OfflinePunctuation struct {
 
 func NewOfflinePunctuation(config *OfflinePunctuationConfig) *OfflinePunctuation {
 	cfg := C.struct_SherpaOnnxOfflinePunctuationConfig{}
-	cfg.model.ct_transformer = C.CString(config.Model.Ct_transformer)
+	cfg.model.ct_transformer = C.CString(config.Model.CtTransformer)
 	defer C.free(unsafe.Pointer(cfg.model.ct_transformer))
 
-	cfg.model.num_threads = config.Model.Num_threads
+	cfg.model.num_threads = config.Model.NumThreads
 	cfg.model.debug = config.Model.Debug
 	cfg.model.provider = C.CString(config.Model.Provider)
 	defer C.free(unsafe.Pointer(cfg.model.provider))