Jade's helper library for a generated template.

web/jade.go

@@ -0,0 +1,141 @@
+// Code generated by "jade.go"; DO NOT EDIT.
+package web
+
+import (
+	"bytes"
+	"io"
+	"strconv"
+)
+
+var (
+	escaped   = []byte{'<', '>', '"', '\'', '&'}
+	replacing = []string{"&lt;", "&gt;", "&#34;", "&#39;", "&amp;"}
+)
+
+func WriteEscString(st string, buffer *WriterAsBuffer) {
+	for i := 0; i < len(st); i++ {
+		if n := bytes.IndexByte(escaped, st[i]); n >= 0 {
+			buffer.WriteString(replacing[n])
+		} else {
+			buffer.WriteByte(st[i])
+		}
+	}
+}
+
+type WriterAsBuffer struct {
+	io.Writer
+}
+
+func (w *WriterAsBuffer) WriteString(s string) (n int, err error) {
+	n, err = w.Write([]byte(s))
+	return
+}
+
+func (w *WriterAsBuffer) WriteByte(b byte) (err error) {
+	_, err = w.Write([]byte{b})
+	return
+}
+
+type stringer interface {
+	String() string
+}
+
+func WriteAll(a interface{}, escape bool, buffer *WriterAsBuffer) {
+	switch v := a.(type) {
+	case string:
+		if escape {
+			WriteEscString(v, buffer)
+		} else {
+			buffer.WriteString(v)
+		}
+	case int:
+		WriteInt(int64(v), buffer)
+	case int8:
+		WriteInt(int64(v), buffer)
+	case int16:
+		WriteInt(int64(v), buffer)
+	case int32:
+		WriteInt(int64(v), buffer)
+	case int64:
+		WriteInt(v, buffer)
+	case uint:
+		WriteUint(uint64(v), buffer)
+	case uint8:
+		WriteUint(uint64(v), buffer)
+	case uint16:
+		WriteUint(uint64(v), buffer)
+	case uint32:
+		WriteUint(uint64(v), buffer)
+	case uint64:
+		WriteUint(v, buffer)
+	case float32:
+		buffer.WriteString(strconv.FormatFloat(float64(v), 'f', -1, 64))
+	case float64:
+		buffer.WriteString(strconv.FormatFloat(v, 'f', -1, 64))
+	case bool:
+		WriteBool(v, buffer)
+	case stringer:
+		if escape {
+			WriteEscString(v.String(), buffer)
+		} else {
+			buffer.WriteString(v.String())
+		}
+	default:
+		buffer.WriteString("\n<<< unprinted type, fmt.Stringer implementation needed >>>\n")
+	}
+}
+
+func ternary(condition bool, iftrue, iffalse interface{}) interface{} {
+	if condition {
+		return iftrue
+	} else {
+		return iffalse
+	}
+}
+
+// Used part of go source:
+// https://github.com/golang/go/blob/master/src/strconv/itoa.go
+func WriteUint(u uint64, buffer *WriterAsBuffer) {
+	var a [64 + 1]byte
+	i := len(a)
+
+	if ^uintptr(0)>>32 == 0 {
+		for u > uint64(^uintptr(0)) {
+			q := u / 1e9
+			us := uintptr(u - q*1e9)
+			for j := 9; j > 0; j-- {
+				i--
+				qs := us / 10
+				a[i] = byte(us - qs*10 + '0')
+				us = qs
+			}
+			u = q
+		}
+	}
+
+	us := uintptr(u)
+	for us >= 10 {
+		i--
+		q := us / 10
+		a[i] = byte(us - q*10 + '0')
+		us = q
+	}
+
+	i--
+	a[i] = byte(us + '0')
+	buffer.Write(a[i:])
+}
+func WriteInt(i int64, buffer *WriterAsBuffer) {
+	if i < 0 {
+		buffer.WriteByte('-')
+		i = -i
+	}
+	WriteUint(uint64(i), buffer)
+}
+func WriteBool(b bool, buffer *WriterAsBuffer) {
+	if b {
+		buffer.WriteString("true")
+		return
+	}
+	buffer.WriteString("false")
+}