1 files changed, 120 insertions, 0 deletions
diff --git a/vendor/github.com/golangci/dupl/printer/html.go b/vendor/github.com/golangci/dupl/printer/html.go
new file mode 100644
index 000000000..5ad9e25c7
--- /dev/null
+++ b/vendor/github.com/golangci/dupl/printer/html.go
@@ -0,0 +1,120 @@
+package printer
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"regexp"
+	"sort"
+
+	"github.com/golangci/dupl/syntax"
+)
+
+type html struct {
+	iota int
+	w    io.Writer
+	ReadFile
+}
+
+func NewHTML(w io.Writer, fread ReadFile) Printer {
+	return &html{w: w, ReadFile: fread}
+}
+
+func (p *html) PrintHeader() error {
+	_, err := fmt.Fprint(p.w, `<!DOCTYPE html>
+<meta charset="utf-8"/>
+<title>Duplicates</title>
+<style>
+	pre {
+		background-color: #FFD;
+		border: 1px solid #E2E2E2;
+		padding: 1ex;
+	}
+</style>
+`)
+	return err
+}
+
+func (p *html) PrintClones(dups [][]*syntax.Node) error {
+	p.iota++
+	fmt.Fprintf(p.w, "<h1>#%d found %d clones</h1>\n", p.iota, len(dups))
+
+	clones := make([]clone, len(dups))
+	for i, dup := range dups {
+		cnt := len(dup)
+		if cnt == 0 {
+			panic("zero length dup")
+		}
+		nstart := dup[0]
+		nend := dup[cnt-1]
+
+		file, err := p.ReadFile(nstart.Filename)
+		if err != nil {
+			return err
+		}
+
+		lineStart, _ := blockLines(file, nstart.Pos, nend.End)
+		cl := clone{filename: nstart.Filename, lineStart: lineStart}
+		start := findLineBeg(file, nstart.Pos)
+		content := append(toWhitespace(file[start:nstart.Pos]), file[nstart.Pos:nend.End]...)
+		cl.fragment = deindent(content)
+		clones[i] = cl
+	}
+
+	sort.Sort(byNameAndLine(clones))
+	for _, cl := range clones {
+		fmt.Fprintf(p.w, "<h2>%s:%d</h2>\n<pre>%s</pre>\n", cl.filename, cl.lineStart, cl.fragment)
+	}
+	return nil
+}
+
+func (*html) PrintFooter() error { return nil }
+
+func findLineBeg(file []byte, index int) int {
+	for i := index; i >= 0; i-- {
+		if file[i] == '\n' {
+			return i + 1
+		}
+	}
+	return 0
+}
+
+func toWhitespace(str []byte) []byte {
+	var out []byte
+	for _, c := range bytes.Runes(str) {
+		if c == '\t' {
+			out = append(out, '\t')
+		} else {
+			out = append(out, ' ')
+		}
+	}
+	return out
+}
+
+func deindent(block []byte) []byte {
+	const maxVal = 99
+	min := maxVal
+	re := regexp.MustCompile(`(^|\n)(\t*)\S`)
+	for _, line := range re.FindAllSubmatch(block, -1) {
+		indent := line[2]
+		if len(indent) < min {
+			min = len(indent)
+		}
+	}
+	if min == 0 || min == maxVal {
+		return block
+	}
+	block = block[min:]
+Loop:
+	for i := 0; i < len(block); i++ {
+		if block[i] == '\n' && i != len(block)-1 {
+			for j := 0; j < min; j++ {
+				if block[i+j+1] != '\t' {
+					continue Loop
+				}
+			}
+			block = append(block[:i+1], block[i+1+min:]...)
+		}
+	}
+	return block
+}