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/*
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/Pacien/fcmd"
"github.com/drbawb/mustache"
"github.com/russross/blackfriday"
"io/ioutil"
"path"
"strings"
"sync"
)
var wait sync.WaitGroup
// Common templating
func isParsable(fileName string, exts []string) bool {
for _, ext := range exts {
if path.Ext(fileName) == ext {
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
func parse(dirPath string, elements map[string][]byte, exts []string, overwrite bool) (map[string][]byte, bool) {
parsed := false
_, filesList := fcmd.Ls(dirPath)
for _, fileName := range filesList {
if isParsable(fileName, exts) && (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)
}
parsed = true
}
}
return elements, parsed
}
func compile(dirPath string, elements map[string][]byte, sourceDir, outputDir, saveAs string, exts []string, recursive bool) {
defer wait.Done()
if strings.HasPrefix(dirPath, outputDir) {
return
}
parsed := false
elements, parsed = parse(dirPath, elements, exts, true)
if recursive {
dirs, _ := fcmd.Ls(dirPath)
for _, dir := range dirs {
wait.Add(1)
go compile(path.Join(dirPath, dir), elements, sourceDir, outputDir, saveAs, exts, recursive)
}
}
if !parsed {
return
}
pagePath := strings.TrimPrefix(dirPath, sourceDir)
template := merge(elements)
page := mustache.Render(string(template), makeContext(pagePath, sourceDir, exts))
err := fcmd.WriteFile(path.Join(outputDir, pagePath, saveAs), []byte(page))
if err != nil {
fmt.Println(err)
return
}
}
func copyFiles(dirPath, sourceDir, outputDir string, exts []string, recursive bool) {
defer wait.Done()
if strings.HasPrefix(dirPath, outputDir) {
return
}
dirs, files := fcmd.Ls(dirPath)
for _, file := range files {
if !isParsable(file, exts) {
err := fcmd.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 {
wait.Add(1)
go copyFiles(path.Join(dirPath, dir), sourceDir, outputDir, exts, recursive)
}
}
}
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