merge from github.com/snonux/dtail

1 files changed, 22 insertions, 0 deletions

diff --git a/internal/lcontext/lcontext.go b/internal/lcontext/lcontext.go
new file mode 100644
index 0000000..183ceb5
--- /dev/null
+++ b/internal/lcontext/lcontext.go
@@ -0,0 +1,22 @@
+package lcontext
+
+// LContext stands for line context (used by context aware grep queries e.g.)
+type LContext struct {
+	AfterContext  int
+	BeforeContext int
+	MaxCount      int
+}
+
+// Has returns true if it has any parameter set.
+func (c LContext) Has() bool {
+	if c.AfterContext > 0 {
+		return true
+	}
+	if c.BeforeContext > 0 {
+		return true
+	}
+	if c.MaxCount > 0 {
+		return true
+	}
+	return false
+}