Merge pull request #355 from MichaelMure/query-parser-ast

replace the all-in-one query parser by a complete one with AST/lexer/parser

1 files changed, 49 insertions, 0 deletions

diff --git a/query/query.go b/query/query.go
new file mode 100644
index 00000000..a499ad38
--- /dev/null
+++ b/query/query.go
@@ -0,0 +1,49 @@
+package query
+
+import "github.com/MichaelMure/git-bug/bug"
+
+// Query is the intermediary representation of a Bug's query. It is either
+// produced by parsing a query string (ex: "status:open author:rene") or created
+// manually. This query doesn't do anything by itself and need to be interpreted
+// for the specific domain of application.
+type Query struct {
+	Filters
+	OrderBy
+	OrderDirection
+}
+
+// NewQuery return an identity query with the default sorting (creation-desc).
+func NewQuery() *Query {
+	return &Query{
+		OrderBy:        OrderByCreation,
+		OrderDirection: OrderDescending,
+	}
+}
+
+// Filters is a collection of Filter that implement a complex filter
+type Filters struct {
+	Status      []bug.Status
+	Author      []string
+	Actor       []string
+	Participant []string
+	Label       []string
+	Title       []string
+	NoLabel     bool
+}
+
+type OrderBy int
+
+const (
+	_ OrderBy = iota
+	OrderById
+	OrderByCreation
+	OrderByEdit
+)
+
+type OrderDirection int
+
+const (
+	_ OrderDirection = iota
+	OrderAscending
+	OrderDescending
+)