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

---
 common.go | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 common.go

(limited to 'common.go')

diff --git a/common.go b/common.go
new file mode 100644
index 0000000..0cf2655
--- /dev/null
+++ b/common.go
@@ -0,0 +1,134 @@
+/*
+
+	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 (
+	"bytes"
+	"fmt"
+	"github.com/hoisie/mustache"
+	"github.com/russross/blackfriday"
+	"io/ioutil"
+	"path"
+	"strings"
+	"sync"
+)
+
+var wait sync.WaitGroup
+
+// Common templating
+
+func isParsable(fileName string) bool {
+	switch path.Ext(fileName) {
+	case ".md", ".html", ".txt":
+		return true
+	}
+	return false
+}
+
+func read(fileName string) ([]byte, error) {
+	fileBody, err := ioutil.ReadFile(fileName)
+	if err != nil {
+		return nil, err
+	}
+	if path.Ext(fileName) == ".md" {
+		fileBody = blackfriday.MarkdownCommon(fileBody)
+	}
+	return fileBody, nil
+}
+
+func merge(files map[string][]byte) (merged []byte) {
+	merged = files["index"]
+	for pass := 0; bytes.Contains(merged, []byte("{{> ")) && pass < 4000; pass++ {
+		for fileName, fileBody := range files {
+			merged = bytes.Replace(merged, []byte("{{> "+fileName+"}}"), fileBody, -1)
+		}
+	}
+	return
+}
+
+// COMPILED and INTERACTIVE modes
+
+// render and write everything inside
+
+func parse(dirPath string, elements map[string][]byte, overwrite bool) map[string][]byte {
+	_, filesList := ls(dirPath)
+	for _, fileName := range filesList {
+		if isParsable(fileName) && (overwrite || elements[fileName[:len(fileName)-len(path.Ext(fileName))]] == nil) {
+			var err error
+			elements[fileName[:len(fileName)-len(path.Ext(fileName))]], err = read(path.Join(dirPath, fileName))
+			if err != nil {
+				fmt.Println(err)
+			}
+		}
+	}
+	return elements
+}
+
+func compile(dirPath string, elements map[string][]byte, sourceDir, outputDir string, recursive bool) {
+	wait.Add(1)
+	defer wait.Done()
+
+	if strings.HasPrefix(dirPath, outputDir) {
+		return
+	}
+
+	elements = parse(dirPath, elements, true)
+
+	if recursive {
+		dirs, _ := ls(dirPath)
+		for _, dir := range dirs {
+			go compile(path.Join(dirPath, dir), elements, sourceDir, outputDir, recursive)
+		}
+	}
+
+	template := merge(elements)
+	page := mustache.Render(string(template), nil /* TODO: generate contextual variables */)
+
+	err := writeFile(path.Join(outputDir, strings.TrimPrefix(dirPath, sourceDir), "index.html"), []byte(page))
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+}
+
+func copyFiles(dirPath, sourceDir, outputDir string, recursive bool) {
+	wait.Add(1)
+	defer wait.Done()
+
+	if strings.HasPrefix(dirPath, outputDir) {
+		return
+	}
+
+	dirs, files := ls(dirPath)
+	for _, file := range files {
+		if !isParsable(file) {
+			err := cp(path.Join(dirPath, file), path.Join(outputDir, strings.TrimPrefix(dirPath, sourceDir), file))
+			if err != nil {
+				fmt.Println(err)
+			}
+		}
+	}
+
+	if recursive {
+		for _, dir := range dirs {
+			go copyFiles(path.Join(dirPath, dir), sourceDir, outputDir, recursive)
+		}
+	}
+}
-- 
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