First example using the parsing library as a black box

1 files changed, 64 insertions, 0 deletions

diff --git a/cmd/gobtex/main.go b/cmd/gobtex/main.go
new file mode 100644
index 0000000..4bbd5b3
--- /dev/null
+++ b/cmd/gobtex/main.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/Thibauth/bibtex"
+)
+
+func main() {
+	fname := os.Args[1]
+	f, err := os.Open(fname)
+	if err != nil {
+		log.Fatal(err)
+	}
+	db, err := bibtex.Parse(f, false)
+	res, _ := json.MarshalIndent(db, "", "  ")
+	fmt.Println(string(res))
+}
+
+func MarshalEntry(e bibtex.Entry) string {
+	var buf bytes.Buffer
+	temp := make([]string, len(e.FNames))
+	open, close := "{", "}"
+	if strings.Contains(e.Key, "}") {
+		open, close = "(", ")"
+	}
+	buf.WriteString("@" + e.Type + open + e.Key + ",")
+	if len(e.FNames) == 0 {
+		buf.WriteString(close)
+		return buf.String()
+	} else {
+		buf.WriteString("\n\t")
+	}
+
+	for i, field := range e.FNames {
+		temp[i] = field + " = " + e.Fields[field].Marshal()
+	}
+	buf.WriteString(strings.Join(temp, ",\n\t"))
+	buf.WriteString("\n" + close)
+	return buf.String()
+}
+
+func Marshal(db *bibtex.Database) string {
+	var buf bytes.Buffer
+	for _, id := range db.SNames {
+		buf.WriteString("@string{" + id + " = " +
+			db.Strings[id].Marshal() + "}\n\n")
+
+	}
+	if db.Preamble != nil {
+		buf.WriteString("@preamble{" + db.Preamble.Marshal() + "}\n\n")
+	}
+	res := make([]string, len(db.EKeys))
+	for i, key := range db.EKeys {
+		res[i] = MarshalEntry(db.Entries[key])
+	}
+	buf.WriteString(strings.Join(res, "\n\n"))
+	return buf.String()
+}