updated

Author: yuvan11

.github/workflows/go.yml

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+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.18
+
+    - name: Build
+      run: go build ./...
+
+    - name: Test
+      run: go test -v ./...

README.md

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+# go-cascadia-sample
+
+
+## Description
+
+Creating [cascadia-sample](https://github.com/yuvan11/cascadia-sample) to understand the css selector library [cascadia](https://github.com/andybalholm/cascadia)
+
+## Run
+
+- cd src
+- run `go run sample.go`
+
+## Sample output
+
+        List of URLS:      
+         Review url https://www.google.com/search?q=THE+MARINA+MALL&rlz=1C1CHBD_enIN908IN908&oq=th+&aqs=chrome.1.69i57j69i59l2j69i60l5.2415j0j7&sourceid=chrome&ie=UTF-8#lrd=0x3a525a5ed3d3509d:0x51ba8d5c2f099ebb,1,,,                                                                                                                                 
+         Image URl http://marinamallchennai.com/wp-content/uploads/2020/09/Googlebusiness.png  

azure-pipelines.yml

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+# Go
+# Build your Go project.
+# Add steps that test, save build artifacts, deploy, and more:
+# https://learn.microsoft.com/azure/devops/pipelines/languages/go
+# updated
+trigger: 
+- main
+- feature/*
+
+pool: ubuntu-latest
+
+variables:
+  GOPATH: '$(Agent.HomeDirectory)/go' # Go workspace path
+  GOBIN:  '$(GOPATH)/bin' # Go binaries path
+  GOROOT: '/opt/hostedtoolcache/go/1.15.8/x64' # Go installation path
+  
+
+stages:
+- stage: Build
+  displayName: Build image
+  
+  jobs:  
+  - job: BuildAndTest
+    displayName: Build And Test
+    pool: ubuntu-latest
+    steps:
+    - checkout: self
+    - script: |
+        export PATH="$(GOROOT)/bin:$(PATH)"
+        printenv
+        ls -la
+        go env
+        go version
+        go mod download
+        go build ./...
+        go test ./... 
+      workingDirectory: '$(Build.SourcesDirectory)'
+      displayName: 'Get dependencies, then build and test' 

go.mod

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+module go-cascadia-sample
+
+go 1.18
+
+require (
+	github.com/andybalholm/cascadia v1.3.1
+	golang.org/x/net v0.0.0-20210916014120-12bc252f5db8
+)

go.sum

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+github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
+github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 h1:/6y1LfuqNuQdHAm0jjtPtgRcxIxjVZgm5OTu8/QhZvk=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

sample.go

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+package main
+
+import (
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/andybalholm/cascadia"
+	"golang.org/x/net/html"
+)
+
+var feedbackHtml string = `
+<section class="feedback-section">
+    <div class="container">
+        <div class="row">
+            <div class="col-md-12 text-center">
+                <h1 class="single-line">The Customers’ Verdict</h1>
+            </div>
+        </div><br>
+        <div class="row">
+            <div class="col-md-3">
+                <div class="feedback-head">
+                    <a href="https://www.google.com/search?q=THE+MARINA+MALL&rlz=1C1CHBD_enIN908IN908&oq=th+&aqs=chrome.1.69i57j69i59l2j69i60l5.2415j0j7&sourceid=chrome&ie=UTF-8#lrd=0x3a525a5ed3d3509d:0x51ba8d5c2f099ebb,1,,," target="_blank">
+                        <img src="http://marinamallchennai.com/wp-content/uploads/2020/09/Googlebusiness.png">
+                    </a>
+                    <p><i class="fa fa-star"></i> <i class="fa fa-star"></i> <i class="fa fa-star"></i> <i class="fa fa-star"></i> <i class="fa fa-star"></i></p><br>
+                </div>
+            </div>
+      
+        </div>
+       
+    </div>
+</section>
+`
+
+func Query(n *html.Node, query string) *html.Node {
+	sel, err := cascadia.Parse(query)
+	if err != nil {
+		return &html.Node{}
+	}
+	return cascadia.Query(n, sel)
+}
+
+func QueryAll(n *html.Node, query string) []*html.Node {
+	sel, err := cascadia.Parse(query)
+	if err != nil {
+		return []*html.Node{}
+	}
+	return cascadia.QueryAll(n, sel)
+}
+
+func AttrOr(n *html.Node, attrName, or string) string {
+	for _, a := range n.Attr {
+
+		if a.Key == attrName {
+			return a.Val
+		}
+	}
+	return or
+}
+
+// main
+func main() {
+	doc, err := html.Parse(strings.NewReader(feedbackHtml))
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("List of URLS:\n\n")
+	for _, p := range QueryAll(doc, "section.feedback-section") {
+		reviewUrl := AttrOr(Query(p, "div a "), "href", "")
+		imageUrl := AttrOr(Query(p, "div  a img"), "src", "")
+		fmt.Println("Review url", reviewUrl, "\n", "Image URl", imageUrl)
+	}
+}