forked from mirror/go-sqlite3
98 lines
1.8 KiB
Go
98 lines
1.8 KiB
Go
package main
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import (
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"archive/zip"
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/PuerkitoBio/goquery"
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)
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func main() {
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site := "https://www.sqlite.org/download.html"
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fmt.Printf("scraping %v\n", site)
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doc, err := goquery.NewDocument(site)
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if err != nil {
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log.Fatal(err)
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}
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var url string
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doc.Find("a").Each(func(_ int, s *goquery.Selection) {
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if url == "" && strings.HasPrefix(s.Text(), "sqlite-amalgamation-") {
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url = "https://www.sqlite.org/2016/" + s.Text()
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}
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})
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if url == "" {
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return
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}
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fmt.Printf("downloading %v\n", url)
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resp, err := http.Get(url)
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if err != nil {
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log.Fatal(err)
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}
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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resp.Body.Close()
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log.Fatal(err)
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}
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fmt.Printf("extracting %v\n", path.Base(url))
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r, err := zip.NewReader(bytes.NewReader(b), resp.ContentLength)
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if err != nil {
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resp.Body.Close()
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log.Fatal(err)
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}
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resp.Body.Close()
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for _, zf := range r.File {
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var f *os.File
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switch path.Base(zf.Name) {
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case "sqlite3.c":
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f, err = os.Create("sqlite3-binding.c")
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case "sqlite3.h":
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f, err = os.Create("sqlite3-binding.h")
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case "sqlite3ext.h":
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f, err = os.Create("sqlite3ext.h")
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default:
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continue
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}
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if err != nil {
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log.Fatal(err)
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}
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zr, err := zf.Open()
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if err != nil {
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log.Fatal(err)
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}
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_, err = io.WriteString(f, "#ifndef USE_LIBSQLITE3\n")
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if err != nil {
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zr.Close()
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f.Close()
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log.Fatal(err)
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}
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_, err = io.Copy(f, zr)
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if err != nil {
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zr.Close()
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f.Close()
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log.Fatal(err)
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}
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_, err = io.WriteString(f, "#else // USE_LIBSQLITE3\n // If users really want to link against the system sqlite3 we\n// need to make this file a noop.\n #endif")
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if err != nil {
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zr.Close()
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f.Close()
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log.Fatal(err)
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}
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zr.Close()
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f.Close()
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fmt.Printf("extracted %v\n", filepath.Base(f.Name()))
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}
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}
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