diff --git a/lib/format.go b/lib/format.go
new file mode 100644
index 0000000..b6e62ea
--- /dev/null
+++ b/lib/format.go
@@ -0,0 +1,26 @@
+// Copyright (c) 2013 by Michael Dvorkin. All Rights Reserved.
+//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+package mop
+
+import (
+ "bytes"
+ "text/template"
+)
+
+//-----------------------------------------------------------------------------
+func Format(message []Message) string {
+ markup := `{{range .}}{{.Ticker}} ${{.LastTrade}} {{.Change}}
+{{end}}...`
+
+ template, err := template.New("screen").Parse(markup)
+ if err != nil {
+ panic(err)
+ }
+
+ buffer := new(bytes.Buffer)
+ err = template.Execute(buffer, message)
+ if err != nil {
+ panic(err)
+ }
+ return buffer.String()
+}
diff --git a/lib/google.go b/lib/google_finance.go
similarity index 78%
rename from lib/google.go
rename to lib/google_finance.go
index dc10354..9d6cc77 100644
--- a/lib/google.go
+++ b/lib/google_finance.go
@@ -72,20 +72,21 @@ type Message struct {
Change string `json:"c"`
}
+//-----------------------------------------------------------------------------
func Quote(ticker string) []Message {
- // Send the request.
- // response, err := http.Get(real_time_url + ticker)
- // if err != nil {
- // panic(err)
- // }
- //
- // // Fetch response and get its body.
- // defer response.Body.Close()
- // body, err := ioutil.ReadAll(response.Body)
- //
- // // Parse JSON.
- // var message []Message
- // err = json.Unmarshal(sanitize(body, &message)
+ // // Send the request.
+ // response, err := http.Get(real_time_url + ticker)
+ // if err != nil {
+ // panic(err)
+ // }
+ //
+ // // Fetch response and get its body.
+ // defer response.Body.Close()
+ // body, err := ioutil.ReadAll(response.Body)
+ //
+ // // Parse JSON.
+ // var message []Message
+ // err = json.Unmarshal(sanitize(body), &message)
// Parse JSON.
var message []Message
@@ -96,6 +97,7 @@ func Quote(ticker string) []Message {
return message
}
+//-----------------------------------------------------------------------------
func sanitize(ascii []byte) []byte {
return bytes.Replace(ascii, []byte{'/'}, []byte{}, -1)
}
diff --git a/lib/profile.go b/lib/profile.go
new file mode 100644
index 0000000..b418aab
--- /dev/null
+++ b/lib/profile.go
@@ -0,0 +1,8 @@
+// Copyright (c) 2013 by Michael Dvorkin. All Rights Reserved.
+//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+package mop
+
+//-----------------------------------------------------------------------------
+func LoadProfile() string {
+ return "coh,atvi,hpq,ibm"
+}
diff --git a/lib/screen.go b/lib/screen.go
new file mode 100644
index 0000000..36c661d
--- /dev/null
+++ b/lib/screen.go
@@ -0,0 +1,123 @@
+// Copyright (c) 2013 by Michael Dvorkin. All Rights Reserved.
+//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+package mop
+
+import (
+ "fmt"
+ "github.com/michaeldv/just"
+ "github.com/nsf/termbox-go"
+ "regexp"
+ "strings"
+)
+
+// Can combine attributes and a single color using bitwise OR.
+//
+// AttrBold Attribute = 1 << (iota + 4)
+// AttrUnderline
+// AttrReverse
+//
+var colors = map[string]termbox.Attribute{
+ "black": termbox.ColorBlack,
+ "red": termbox.ColorRed,
+ "green": termbox.ColorGreen,
+ "yellow": termbox.ColorYellow,
+ "blue": termbox.ColorBlue,
+ "magenta": termbox.ColorMagenta,
+ "cyan": termbox.ColorCyan,
+ "white": termbox.ColorWhite,
+}
+
+//-----------------------------------------------------------------------------
+func Draw(stocks string) {
+ message := Quote(stocks)
+ // for _, m := range message {
+ // fmt.Printf("%s, %s, %s\n", m.Ticker, m.LastTrade, m.Change)
+ // }
+
+ drawScreen(Format(message))
+}
+
+//-----------------------------------------------------------------------------
+func Refresh(profile string) {
+loop:
+ for {
+ switch ev := termbox.PollEvent(); ev.Type {
+ case termbox.EventKey:
+ if ev.Key == termbox.KeyEsc {
+ break loop
+ }
+ case termbox.EventResize:
+ // Draw(profile)
+ // x, y := termbox.Size()
+ str := fmt.Sprintf("(%d:%d)", ev.Width, ev.Height)
+ drawScreen(str + ": Hello world, how are you?")
+ }
+ }
+}
+
+//
+// Return regular expression that matches all possible color tags, i.e.
+// || ... |
+//-----------------------------------------------------------------------------
+func tagsRegexp() *regexp.Regexp {
+ tags := []string{}
+
+ for color, _ := range colors {
+ tags = append(tags, "")
+ }
+
+ return regexp.MustCompile(strings.Join(tags, "|"))
+}
+
+//
+// Return true if a string looks like a tag.
+//-----------------------------------------------------------------------------
+func isTag(str string) (is bool, open bool) {
+ is = (str[0:1] == "<" && str[len(str)-1:] == ">")
+ open = (is && str[1:2] != "/")
+ return
+}
+
+//
+// Extract tag name from the given tag, i.e. "" => "hello"
+//-----------------------------------------------------------------------------
+func tagName(str string) string {
+ if str[1:2] != "/" {
+ return str[1 : len(str)-1]
+ } else {
+ return str[2 : len(str)-1]
+ }
+}
+
+//-----------------------------------------------------------------------------
+func drawLine(x int, y int, str string) {
+ column := 0
+ foreground, background := termbox.ColorDefault, termbox.ColorDefault
+
+ for _, token := range just.Split(tagsRegexp(), str) {
+ if tag, open := isTag(token); tag {
+ if color, ok := colors[tagName(token)]; ok {
+ token = ""
+ if open {
+ foreground = color
+ } else {
+ foreground = termbox.ColorDefault
+ }
+ }
+ }
+
+ for _, char := range token {
+ termbox.SetCell(x+column, y, char, foreground, background)
+ column += 1
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+func drawScreen(str string) {
+ termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
+ for row, line := range strings.Split(str, "\n") {
+ drawLine(0, row, line)
+ }
+ termbox.Flush()
+}
diff --git a/mop.go b/mop.go
index 0b7cf8d..482dd30 100644
--- a/mop.go
+++ b/mop.go
@@ -3,103 +3,13 @@
package main
import (
- "bytes"
- "fmt"
- "github.com/michaeldv/just"
"github.com/michaeldv/mop/lib"
"github.com/nsf/termbox-go"
- "regexp"
- "strings"
- "text/template"
)
-// Can combine attributes and a single color using bitwise OR.
-//
-// AttrBold Attribute = 1 << (iota + 4)
-// AttrUnderline
-// AttrReverse
-//
-var colors = map[string]termbox.Attribute{
- "black": termbox.ColorBlack,
- "red": termbox.ColorRed,
- "green": termbox.ColorGreen,
- "yellow": termbox.ColorYellow,
- "blue": termbox.ColorBlue,
- "magenta": termbox.ColorMagenta,
- "cyan": termbox.ColorCyan,
- "white": termbox.ColorWhite,
-}
-
-//
-// Return regular expression that matches all possible color tags, i.e.
-// || ... |
-//
-func color_tags() *regexp.Regexp {
- tags := []string{}
-
- for color, _ := range colors {
- tags = append(tags, "")
- }
-
- return regexp.MustCompile(strings.Join(tags, "|"))
-}
-
-//
-// Return true if a string looks like a tag.
-//
-func is_tag(str string) (is bool, open bool) {
- is = (str[0:1] == "<" && str[len(str)-1:] == ">")
- open = (is && str[1:2] != "/")
- return
-}
-
-//
-// Extract tag name from the given tag, i.e. "" => "hello"
-//
-func tag_name(str string) string {
- if str[1:2] != "/" {
- return str[1 : len(str)-1]
- } else {
- return str[2 : len(str)-1]
- }
-}
-
-func draw_color_line(x int, y int, str string) {
- column := 0
- foreground, background := termbox.ColorDefault, termbox.ColorDefault
-
- for _, token := range just.Split(color_tags(), str) {
- if tag, open := is_tag(token); tag {
- if color, ok := colors[tag_name(token)]; ok {
- token = ""
- if open {
- foreground = color
- } else {
- foreground = termbox.ColorDefault
- }
- }
- }
-
- for _, char := range token {
- termbox.SetCell(x+column, y, char, foreground, background)
- column += 1
- }
- }
-}
-
-func draw_screen(str string) {
- termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
- for row, line := range strings.Split(str, "\n") {
- draw_color_line(0, row, line)
- }
- termbox.Flush()
-}
-
+//-----------------------------------------------------------------------------
func main() {
- message := mop.Quote("coh,atvi,hpq,ibm,xxx")
- for _, m := range message {
- fmt.Printf("%s, %s, %s\n", m.Ticker, m.LastTrade, m.Change)
- }
+ profile := mop.LoadProfile()
err := termbox.Init()
if err != nil {
@@ -107,32 +17,6 @@ func main() {
}
defer termbox.Close()
- markup := `{{range .}}{{.Ticker}} ${{.LastTrade}} {{.Change}}
-{{end}}...`
-
- template, err := template.New("screen").Parse(markup)
- if err != nil {
- panic(err)
- }
-
- buffer := new(bytes.Buffer)
- err = template.Execute(buffer, message)
- if err != nil {
- panic(err)
- }
- draw_screen(buffer.String())
-
-loop:
- for {
- switch ev := termbox.PollEvent(); ev.Type {
- case termbox.EventKey:
- if ev.Key == termbox.KeyEsc {
- break loop
- }
- case termbox.EventResize:
- //x, y := termbox.Size()
- str := fmt.Sprintf("(%d:%d)", ev.Width, ev.Height)
- draw_screen(str + ": Hello world, how are you?")
- }
- }
+ mop.Draw(profile)
+ mop.Refresh(profile)
}