util.go

package golink

import (
	"code.google.com/p/go-etree"
	"fmt"
	"strconv"
	"strings"
	"time"
)

func parseEveTs(in string) (time.Time, error) {
	return time.Parse("2006-01-02 15:04:05", in)
}

func first(s string, _ bool) string {
	return s
}

func getStrValue(e etree.Element, child string) (string, error) {
	c := e.Find(child)
	if c == nil {
		return "", fmt.Errorf("Unable to find child element %v of element %v", child, e.Tag())
	}
	return c.Text(), nil
}

func getTimeValue(e etree.Element, child string) (time.Time, error) {
	c := e.Find(child)
	if c == nil {
		return time.Time{}, fmt.Errorf("Unable to find child element %v of element %v", child, e.Tag())
	}
	return parseEveTs(c.Text())
}

func getIntValue(e etree.Element, child string) (int64, error) {
	c := e.Find(child)
	if c == nil {
		return 0, fmt.Errorf("Unable to find child element %v of element %v", child, e.Tag())
	}
	return strconv.ParseInt(c.Text(), 0, 64)
}

func getFloatValue(e etree.Element, child string) (float64, error) {
	c := e.Find(child)
	if c == nil {
		return 0, fmt.Errorf("Unable to find child element %v of element %v", child, e.Tag())
	}
	return strconv.ParseFloat(c.Text(), 64)
}

func getBoolValue(e etree.Element, child string) (bool, error) {
	c := e.Find(child)
	if c == nil {
		return false, fmt.Errorf("Unable to find child element %v of element %v", child, e.Tag())
	}
	if c.Text() == "True" {
		return true, nil
	} else if c.Text() == "False" {
		return false, nil
	}
	return false, fmt.Errorf("Unknown bool literal value: %v", c.Text())
}

func extractKeyval(data string) map[string]string {
	pairs := strings.FieldsFunc(data, func(r rune) bool { return r == '\n' })
	ret := make(map[string]string)
	for _, s := range pairs {
		r := strings.Split(s, ": ")
		ret[r[0]] = r[1]
	}
	return ret
}

func parseMSDate(data string) (time.Time, error) {
	i, err := strconv.ParseInt(data, 0, 64)
	if err != nil {
		return time.Time{}, err
	}
	i = (i / 10000000) - 11644473600
	return time.Unix(i, 0), nil
}