From bf39c7c63be6b4b343bc06b2653f642f6f7ecdc6 Mon Sep 17 00:00:00 2001
From: Juris Arturs Majors <32071671+JurisMajors@users.noreply.github.com>
Date: Thu, 20 Jun 2019 17:17:47 +0200
Subject: [PATCH] glob-select implementation (#184)

* glob-select logical implementation

* documentation

* indentation

* indentation

* indentation

* save

* merge glob selects

* check if selected before toggling

* glob-unselect

* identation ...

* return early
---
 complete.go  |  2 ++
 doc.go       |  2 ++
 docstring.go |  2 ++
 eval.go      | 21 +++++++++++++++++++++
 lf.1         |  2 ++
 nav.go       | 24 ++++++++++++++++++++++++
 6 files changed, 53 insertions(+)

diff --git a/complete.go b/complete.go
index 5d57da4..2a282b8 100644
--- a/complete.go
+++ b/complete.go
@@ -58,6 +58,8 @@ var (
 		"echoerr",
 		"cd",
 		"select",
+		"glob-select",
+		"glob-unselect",
 		"source",
 		"push",
 	}
diff --git a/doc.go b/doc.go
index 2dd16ed..2a4730c 100644
--- a/doc.go
+++ b/doc.go
@@ -62,6 +62,8 @@ The following commands are provided by lf without default keybindings:
     echoerr  same as echomsg but red color
     cd       change working directory to the argument
     select   change current file selection to the argument
+    glob-select select files that match the given glob
+    glob-unselect unselect files that match the given glob
     source   read the configuration file in the argument
     push     simulate key pushes given in the argument
     delete   remove the current file or selected file(s)
diff --git a/docstring.go b/docstring.go
index fa18283..522c813 100644
--- a/docstring.go
+++ b/docstring.go
@@ -65,6 +65,8 @@ The following commands are provided by lf without default keybindings:
     echoerr  same as echomsg but red color
     cd       change working directory to the argument
     select   change current file selection to the argument
+    glob-select select files that match the given glob
+    glob-unselect unselect files that match the given glob
     source   read the configuration file in the argument
     push     simulate key pushes given in the argument
     delete   remove the current file or selected file(s)
diff --git a/eval.go b/eval.go
index 1fd95d5..bdf781a 100644
--- a/eval.go
+++ b/eval.go
@@ -833,6 +833,27 @@ func (e *callExpr) eval(app *app, args []string) {
 		if wd != path {
 			app.nav.marks["'"] = wd
 		}
+	case "glob-select":
+		if len(e.args) != 1 {
+			app.ui.echoerr("glob-select: requires a pattern to match")
+			return
+		}
+
+		if err := app.nav.globSel(e.args[0], false); err != nil {
+			app.ui.echoerrf("%s", err)
+			return
+		}
+	case "glob-unselect":
+		if len(e.args) != 1 {
+			app.ui.echoerr("glob-unselect: requires a pattern to match")
+			return
+		}
+
+		if err := app.nav.globSel(e.args[0], true); err != nil {
+			app.ui.echoerrf("%s", err)
+			return
+		}
+
 	case "source":
 		if len(e.args) != 1 {
 			app.ui.echoerr("source: requires an argument")
diff --git a/lf.1 b/lf.1
index 941e98e..4690fe6 100644
--- a/lf.1
+++ b/lf.1
@@ -74,6 +74,8 @@ The following commands are provided by lf without default keybindings:
     echoerr  same as echomsg but red color
     cd       change working directory to the argument
     select   change current file selection to the argument
+    glob-select select files that match the given glob
+    glob-unselect unselect files that match the given glob
     source   read the configuration file in the argument
     push     simulate key pushes given in the argument
     delete   remove the current file or selected file(s)
diff --git a/nav.go b/nav.go
index 146e444..ed1e833 100644
--- a/nav.go
+++ b/nav.go
@@ -794,6 +794,30 @@ func (nav *nav) sel(path string) error {
 	return nil
 }
 
+func (nav *nav) globSel(pattern string, invert bool) error {
+	curDir := nav.currDir()
+	anyMatches := false
+
+	for i := 0; i < len(curDir.files); i++ {
+		match, err := filepath.Match(pattern, curDir.files[i].Name())
+
+		if err != nil {
+			return fmt.Errorf("glob-select: %s", err)
+		}
+		if match {
+			anyMatches = true
+			fpath := filepath.Join(curDir.path, curDir.files[i].Name())
+			if _, ok := nav.selections[fpath]; ok == invert {
+				nav.toggleSelection(fpath)
+			}
+		}
+	}
+	if !anyMatches {
+		return fmt.Errorf("glob-select: pattern not found: %s", pattern)
+	}
+	return nil
+}
+
 func findMatch(name, pattern string) bool {
 	if gOpts.ignorecase {
 		lpattern := strings.ToLower(pattern)