1 files changed, 131 insertions, 0 deletions

diff --git a/interactive.go b/interactive.go
new file mode 100644
index 0000000..34c2f68
--- /dev/null
+++ b/interactive.go
@@ -0,0 +1,131 @@
+/*
+
+        This file is part of CompileTree (https://github.com/Pacien/CompileTree)
+
+        CompileTree is free software: you can redistribute it and/or modify
+        it under the terms of the GNU Affero General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        CompileTree is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU Affero General Public License for more details.
+
+        You should have received a copy of the GNU Affero General Public License
+        along with CompileTree. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+package main
+
+import (
+        "fmt"
+        "github.com/howeyc/fsnotify"
+        "os"
+        "path"
+        "strings"
+        "time"
+)
+
+func watch(dirPath string, watcher *fsnotify.Watcher) *fsnotify.Watcher {
+        watcher.Watch(dirPath)
+        dirs := explore(dirPath)
+        for _, dir := range dirs {
+                if !strings.HasPrefix(dir, *settings.outputDir) {
+                        err := watcher.Watch(dir)
+                        if err != nil {
+                                fmt.Println(err)
+                        }
+                }
+        }
+        return watcher
+}
+
+func parseParents(dir, sourceDir string) map[string][]byte {
+        dirs := strings.Split(strings.TrimPrefix(dir, sourceDir), "/")
+        elements := make(map[string][]byte)
+        for _, dir := range dirs {
+                elements = parse(path.Join(sourceDir, dir), elements, false)
+        }
+        return elements
+}
+
+func interactive(sourceDir, outputDir string) {
+
+        // compile the whole site
+        compiled(sourceDir, outputDir)
+
+        // watch the source dir
+        watcher, err := fsnotify.NewWatcher()
+        if err != nil {
+                fmt.Println(err)
+        }
+        defer watcher.Close()
+        watcher = watch(sourceDir, watcher)
+
+        for {
+                select {
+                case ev := <-watcher.Event:
+                        fmt.Println(ev)
+
+                        // ignore hidden files
+                        if isHidden(ev.Name) {
+                                break
+                        }
+
+                        // manage watchers
+                        if ev.IsDelete() || ev.IsRename() {
+                                err = watcher.RemoveWatch(ev.Name)
+                                if err != nil {
+                                        fmt.Println(err)
+                                        return
+                                }
+                        } else if ev.IsCreate() && isDir(ev.Name) {
+                                watcher = watch(ev.Name, watcher)
+                        }
+
+                        dir, _ := path.Split(ev.Name)
+
+                        // remove previously compiled files
+                        if ev.IsDelete() || ev.IsRename() || ev.IsModify() {
+                                var err error
+                                if isDir(ev.Name) || !isParsable(ev.Name) {
+                                        err = os.RemoveAll(path.Join(outputDir, strings.TrimPrefix(ev.Name, sourceDir)))
+                                } else {
+                                        err = os.RemoveAll(path.Join(outputDir, strings.TrimPrefix(dir, sourceDir)))
+                                }
+                                if err != nil {
+                                        fmt.Println(err)
+                                        return
+                                }
+                        }
+
+                        // recompile changed files
+                        if ev.IsCreate() || ev.IsModify() {
+                                if isDir(ev.Name) {
+                                        elements := parseParents(ev.Name, sourceDir)
+                                        dirPath := path.Join(sourceDir, strings.TrimPrefix(ev.Name, sourceDir))
+                                        go compile(dirPath, elements, sourceDir, outputDir, true)
+                                        go copyFiles(dirPath, sourceDir, outputDir, true)
+                                } else {
+                                        dirPath := path.Join(sourceDir, strings.TrimPrefix(dir, sourceDir))
+                                        if isParsable(path.Ext(ev.Name)) {
+                                                elements := parseParents(dir, sourceDir)
+                                                go compile(dirPath, elements, sourceDir, outputDir, true)
+                                        }
+                                        go copyFiles(dirPath, sourceDir, outputDir, false)
+                                }
+                        }
+
+                        // sleep some milliseconds to prevent early exit
+                        time.Sleep(time.Millisecond * 100)
+
+                        // wait until all tasks are completed
+                        wait.Wait()
+
+                case err := <-watcher.Error:
+                        fmt.Println(err)
+                }
+        }
+}