1 files changed, 134 insertions, 0 deletions

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)
+                }
+        }
+}