mark2web/content.go
Sebastian Frank dfc932b7b0
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fixed node.root
2019-03-19 10:38:48 +01:00

301 lines
8.5 KiB
Go

package mark2web
import (
"bytes"
"io/ioutil"
"path"
"regexp"
"strings"
"gitbase.de/apairon/mark2web/helper"
"github.com/davecgh/go-spew/spew"
"github.com/flosch/pongo2"
cpy "github.com/otiai10/copy"
"gopkg.in/yaml.v2"
)
// ReadContentDir walks through content directory and builds the tree of configurations
func (node *TreeNode) ReadContentDir(inBase string, outBase string, dir string, conf *PathConfig) {
if node.root == nil {
// first node is root
node.root = node
}
node.fillConfig(inBase, outBase, dir, conf)
files, err := ioutil.ReadDir(node.InputPath)
if err != nil {
helper.Log.Panic(err)
}
// first only files
for _, f := range files {
p := node.InputPath + "/" + f.Name()
if !f.IsDir() && f.Name() != "config.yml" {
switch path.Ext(f.Name()) {
case ".md":
helper.Log.Debugf(".MD %s", p)
if node.InputFiles == nil {
node.InputFiles = make([]string, 0)
}
node.InputFiles = append(node.InputFiles, f.Name())
break
default:
helper.Log.Debugf("FIL %s", p)
if node.OtherFiles == nil {
node.OtherFiles = make([]string, 0)
}
node.OtherFiles = append(node.OtherFiles, f.Name())
}
}
}
// only directorys, needed config before
for _, f := range files {
p := node.InputPath + "/" + f.Name()
if f.IsDir() {
helper.Log.Debugf("DIR %s", p)
newTree := new(TreeNode)
newTree.root = node.root
if node.Sub == nil {
node.Sub = make([]*TreeNode, 0)
}
node.Sub = append(node.Sub, newTree)
newTree.ReadContentDir(node.InputPath, node.OutputPath, f.Name(), node.Config)
}
}
}
// ProcessContent walks recursivly through the input paths and processes all files for output
func (node *TreeNode) ProcessContent() {
helper.CreateDirectory(node.OutputPath)
curNavPath := strings.TrimPrefix(node.OutputPath, Config.Directories.Output)
curNavPath = strings.TrimPrefix(curNavPath, "/")
curNavPath = path.Clean(curNavPath)
if curNavPath == "." {
curNavPath = ""
}
goTo := node.Config.This.GoTo
if goTo != nil && *goTo != "" {
goToFixed := *goTo
if strings.HasPrefix(goToFixed, "/") {
goToFixed = helper.BackToRoot(curNavPath) + goToFixed
}
goToFixed = path.Clean(goToFixed)
switch Config.Webserver.Type {
case "apache":
htaccessFile := node.OutputPath + "/.htaccess"
helper.Log.Noticef("writing '%s' with redirect to: %s", htaccessFile, goToFixed)
err := ioutil.WriteFile(htaccessFile, []byte(`RewriteEngine on
RewriteRule ^$ %{REQUEST_URI}`+goToFixed+`/ [R,L]
`), 0644)
if err != nil {
helper.Log.Panicf("could not write '%s': %s", htaccessFile, err)
}
break
}
}
for _, file := range node.InputFiles {
var input []byte
inFile := "InputString"
if file != "" {
inFile = node.InputPath + "/" + file
helper.Log.Debugf("reading file: %s", inFile)
var err error
input, err = ioutil.ReadFile(inFile)
if err != nil {
helper.Log.Panicf("could not read '%s':%s", inFile, err)
}
helper.Log.Infof("processing input file '%s'", inFile)
} else {
// use input string if available and input filename == ""
var inputString *string
if i := node.Config.Index; i != nil {
inputString = i.InputString
}
if inputString != nil {
helper.Log.Debugf("using input string instead of file")
input = []byte(*inputString)
}
}
newConfig := new(PathConfig)
regex := regexp.MustCompile("(?s)^---(.*?)\\r?\\n\\r?---\\r?\\n\\r?")
yamlData := regex.Find(input)
if string(yamlData) != "" {
// replace tabs
yamlData = bytes.Replace(yamlData, []byte("\t"), []byte(" "), -1)
helper.Log.Debugf("found yaml header in '%s', merging config", inFile)
err := yaml.Unmarshal(yamlData, newConfig)
if err != nil {
helper.Log.Panicf("could not parse YAML header from '%s': %s", inFile, err)
}
helper.Log.Debug("merging config with upper config")
oldThis := newConfig.This
helper.Merge(newConfig, node.Config)
newConfig.This = oldThis
helper.Log.Debug(spew.Sdump(newConfig))
input = regex.ReplaceAll(input, []byte(""))
} else {
helper.Merge(newConfig, node.Config)
}
// ignore ???
ignoreFile := false
var ignoreRegex *string
var stripRegex *string
var outputExt *string
if f := newConfig.Filename; f != nil {
ignoreRegex = f.Ignore
stripRegex = f.Strip
outputExt = f.OutputExtension
}
if ignoreRegex != nil && *ignoreRegex != "" {
regex, err := regexp.Compile(*ignoreRegex)
if err != nil {
helper.Log.Panicf("could not compile filename.ignore regexp '%s' for file '%s': %s", *ignoreRegex, inFile, err)
}
ignoreFile = regex.MatchString(file)
}
if ignoreFile {
helper.Log.Infof("ignoring file '%s', because of filename.ignore", inFile)
} else {
// build output filename
outputFilename := file
var indexInputFile *string
var indexOutputFile *string
if i := newConfig.Index; i != nil {
indexInputFile = i.InputFile
indexOutputFile = i.OutputFile
}
if indexInputFile != nil &&
*indexInputFile == file &&
indexOutputFile != nil &&
*indexOutputFile != "" {
outputFilename = *indexOutputFile
} else {
if stripRegex != nil && *stripRegex != "" {
regex, err := regexp.Compile(*stripRegex)
if err != nil {
helper.Log.Panicf("could not compile filename.strip regexp '%s' for file '%s': %s", *stripRegex, inFile, err)
}
outputFilename = regex.ReplaceAllString(outputFilename, "$1")
}
if outputExt != nil && *outputExt != "" {
outputFilename += "." + *outputExt
}
}
outFile := node.OutputPath + "/" + outputFilename
helper.Log.Debugf("using '%s' as output file", outFile)
// use --- for splitting document in markdown parts
regex := regexp.MustCompile("\\r?\\n\\r?---\\r?\\n\\r?")
inputParts := regex.Split(string(input), -1)
htmlParts := make([]*pongo2.Value, 0)
chromaRenderer := false
chromaStyle := "monokai"
if m := newConfig.Markdown; m != nil {
if m.ChromaRenderer != nil && *m.ChromaRenderer {
chromaRenderer = true
}
if m.ChromaStyle != nil && *m.ChromaStyle != "" {
chromaStyle = *m.ChromaStyle
}
}
for _, iPart := range inputParts {
htmlParts = append(htmlParts,
pongo2.AsSafeValue(
string(helper.RenderMarkdown([]byte(iPart), chromaRenderer, chromaStyle))))
}
// build navigation
navMap := make(map[string]*NavElement)
navSlice := make([]*NavElement, 0)
navActive := make([]*NavElement, 0)
buildNavigation(node.root, &navMap, &navSlice, &navActive, curNavPath)
// read yaml header as data for template
ctx := NewContext()
ctx["This"] = newConfig.This
ctx["Meta"] = newConfig.Meta
ctx["Data"] = newConfig.Data
ctx["ColMap"] = node.root.ColMap // root as NavMap and NavSlice, for sub go to NavElement.ColMap
ctx["NavMap"] = navMap
ctx["NavSlice"] = navSlice
ctx["NavActive"] = navActive
ctx["Body"] = pongo2.AsSafeValue(string(helper.RenderMarkdown(input, chromaRenderer, chromaStyle)))
ctx["BodyParts"] = htmlParts
ctx["CurrentPath"] = curNavPath
// set active nav element
if len(navActive) > 0 {
ctx["NavElement"] = navActive[len(navActive)-1]
} else {
// if no active path to content, we are in root dir
ctx["NavElement"] = &NavElement{
GoTo: helper.BackToRoot(curNavPath),
Active: true,
ColMap: node.ColMap,
Data: node.Config.Data,
This: node.Config.This,
SubMap: &navMap,
SubSlice: &navSlice,
}
}
helper.Log.Debugf("rendering template '%s' for '%s'", *newConfig.Template, outFile)
templateFilename := *newConfig.Template
result, err := renderTemplate(*newConfig.Template, node, newConfig, &ctx)
if err != nil {
helper.Log.Panicf("could not execute template '%s' for input file '%s': %s", templateFilename, inFile, err)
}
result = fixAssetsPath(result, curNavPath)
helper.Log.Noticef("writing to output file: %s", outFile)
err = ioutil.WriteFile(outFile, []byte(result), 0644)
if err != nil {
helper.Log.Panicf("could not write to output file '%s': %s", outFile, err)
}
//fmt.Println(string(html))
}
}
// process other files, copy...
for _, file := range node.OtherFiles {
switch Config.OtherFiles.Action {
case "copy":
from := node.InputPath + "/" + file
to := node.OutputPath + "/" + file
helper.Log.Noticef("copying file from '%s' to '%s'", from, to)
err := cpy.Copy(from, to)
if err != nil {
helper.Log.Panicf("could not copy file from '%s' to '%s': %s", from, to, err)
}
}
}
i := 0
// sub can dynamically increase, so no for range
for i < len(node.Sub) {
node.Sub[i].ProcessContent()
i++
}
}