From 1be0cb5a3fa5b2abe5f5d10ec827f06617861d4b Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Tue, 30 Sep 2014 22:07:44 +0200
Subject: First version

---
 src/example.go       | 31 +++++++++++++++++++++++
 src/vparse/vparse.go | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 src/example.go
 create mode 100644 src/vparse/vparse.go

(limited to 'src')

diff --git a/src/example.go b/src/example.go
new file mode 100644
index 0000000..9196336
--- /dev/null
+++ b/src/example.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"vparse"
+)
+
+func check(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func vToJson(filename string) string {
+	f, err := os.Open(filename)
+	check(err)
+
+	parsed := vparse.Parse(f)
+
+	jsonEncoded, err := json.MarshalIndent(parsed, "", "\t")
+	check(err)
+
+	return string(jsonEncoded)
+}
+
+func main() {
+	fmt.Println(vToJson("vcal.ics"))
+	fmt.Println(vToJson("vcard.vcs"))
+}
diff --git a/src/vparse/vparse.go b/src/vparse/vparse.go
new file mode 100644
index 0000000..624d0a5
--- /dev/null
+++ b/src/vparse/vparse.go
@@ -0,0 +1,69 @@
+package vparse
+
+import (
+	"bufio"
+	"io"
+	"strings"
+)
+
+type Node struct {
+	Type       string
+	Properties map[string]string
+	Children   []Node
+}
+
+func parseNode(scanner *bufio.Scanner, nodeType string) Node {
+	node := Node{nodeType, make(map[string]string), make([]Node, 0)}
+
+	var lastProperty string
+	var expectColon bool = false
+
+SC:
+	for scanner.Scan() {
+
+		line := scanner.Text()
+
+		if strings.HasPrefix(line, " ") {
+			value := line[1:]
+			if expectColon {
+				value = strings.SplitN(value, ":", 2)[1]
+			}
+
+			node.Properties[lastProperty] += value
+
+			expectColon = false
+			continue
+		}
+
+		if !strings.Contains(line, ":") {
+			lastProperty = line
+			expectColon = true
+			continue
+		}
+
+		splitLine := strings.SplitN(line, ":", 2)
+
+		switch splitLine[0] {
+
+		case "END":
+			break SC
+
+		case "BEGIN":
+			node.Children = append(node.Children, parseNode(scanner, splitLine[1]))
+			break
+
+		default:
+			node.Properties[splitLine[0]] = splitLine[1]
+			lastProperty = splitLine[0]
+
+		}
+
+	}
+
+	return node
+}
+
+func Parse(reader io.Reader) []Node {
+	scanner := bufio.NewScanner(reader)
+	return parseNode(scanner, "").Children
+}
-- 
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