From 6f2476510a5b31ada07a42c19065b47bbe784b7a Mon Sep 17 00:00:00 2001
From: Pacien
Date: Fri, 28 Jun 2013 15:31:04 +0200
Subject: First version

---
 interactive.go | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 interactive.go

(limited to 'interactive.go')

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)
+		}
+	}
+}
-- 
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