Initial checkin

This commit is contained in:
Pim van Pelt
2025-12-02 23:47:17 +01:00
commit c3b57c02e3
9 changed files with 2301 additions and 0 deletions

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s3-genindex
# Debian packaging artifacts
debian/.debhelper/
debian/.gocache/
debian/go/
debian/s3-genindex/
debian/files
debian/*.substvars
debian/debhelper-build-stamp
debian/*.debhelper

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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.
A "Combined Work" is a work produced by combining or linking an
Application with the Library. The particular version of the Library
with which the Combined Work was made is also called the "Linked
Version".
The "Minimal Corresponding Source" for a Combined Work means the
Corresponding Source for the Combined Work, excluding any source code
for portions of the Combined Work that, considered in isolation, are
based on the Application, and not on the Linked Version.
The "Corresponding Application Code" for a Combined Work means the
object code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the Combined Work.
1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
facility refers to a function or data to be supplied by an Application
that uses the facility (other than as an argument passed when the
facility is invoked), then you may convey a copy of the modified
version:
a) under this License, provided that you make a good faith effort to
ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
this License applicable to that copy.
3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
a header file that is part of the Library. You may convey such object
code under terms of your choice, provided that, if the incorporated
material is not limited to numerical parameters, data structure
layouts and accessors, or small macros, inline functions and templates
(ten or fewer lines in length), you do both of the following:
a) Give prominent notice with each copy of the object code that the
Library is used in it and that the Library and its use are
covered by this License.
b) Accompany the object code with a copy of the GNU GPL and this license
document.
4. Combined Works.
You may convey a Combined Work under terms of your choice that,
taken together, effectively do not restrict modification of the
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engineering for debugging such modifications, if you also do each of
the following:
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the Library is used in it and that the Library and its use are
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c) For a Combined Work that displays copyright notices during
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these notices, as well as a reference directing the user to the
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d) Do one of the following:
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you use option 4d0, the Installation Information must accompany
the Minimal Corresponding Source and Corresponding Application
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Information in the manner specified by section 6 of the GNU GPL
for conveying Corresponding Source.)
5. Combined Libraries.
You may place library facilities that are a work based on the
Library side by side in a single library together with other library
facilities that are not Applications and are not covered by this
License, and convey such a combined library under terms of your
choice, if you do both of the following:
a) Accompany the combined library with a copy of the same work based
on the Library, uncombined with any other library facilities,
conveyed under the terms of this License.
b) Give prominent notice with the combined library that part of it
is a work based on the Library, and explaining where to find the
accompanying uncombined form of the same work.
6. Revised Versions of the GNU Lesser General Public License.
The Free Software Foundation may publish revised and/or new versions
of the GNU Lesser General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the
Library as you received it specifies that a certain numbered version
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applies to it, you have the option of following the terms and
conditions either of that published version or of any later version
published by the Free Software Foundation. If the Library as you
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If the Library as you received it specifies that a proxy can decide
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.PHONY: build clean wipe test help
# Default target
all: build
# Build the binary
build:
@echo "Building s3-genindex..."
go build -o s3-genindex ./cmd/s3-genindex
@echo "Build complete: s3-genindex"
# Run tests
test:
@echo "Running tests..."
go test -v ./...
@echo "Tests complete"
# Run tests with coverage
test-coverage:
@echo "Running tests with coverage..."
go test -v -coverprofile=coverage.out ./...
go tool cover -html=coverage.out -o coverage.html
@echo "Coverage report generated: coverage.html"
# Clean build artifacts
clean:
@echo "Cleaning build artifacts..."
rm -f s3-genindex
rm -f coverage.out coverage.html
@echo "Clean complete"
# Wipe everything including test caches
wipe: clean
@echo "Wiping test cache and module cache..."
go clean -testcache
go clean -modcache
@echo "Wipe complete"
# Install binary to $GOPATH/bin or $GOBIN
install:
@echo "Installing s3-genindex..."
go install ./cmd/s3-genindex
@echo "Install complete"
# Format code
fmt:
@echo "Formatting code..."
go fmt ./...
@echo "Format complete"
# Vet code for issues
vet:
@echo "Vetting code..."
go vet ./...
@echo "Vet complete"
# Lint code (requires golangci-lint)
lint:
@echo "Linting code..."
@if command -v golangci-lint >/dev/null 2>&1; then \
golangci-lint run; \
else \
echo "golangci-lint not found, skipping lint"; \
fi
# Run all checks
check: fmt vet lint test
@echo "All checks passed"
# Run benchmarks
bench:
@echo "Running benchmarks..."
go test -bench=. ./...
# Show help
help:
@echo "Available targets:"
@echo " build - Build the s3-genindex binary"
@echo " test - Run all tests"
@echo " test-coverage - Run tests with coverage report"
@echo " clean - Remove build artifacts"
@echo " wipe - Clean everything including caches"
@echo " install - Install binary to GOPATH/bin"
@echo " fmt - Format code"
@echo " vet - Vet code for issues"
@echo " lint - Lint code (requires golangci-lint)"
@echo " check - Run fmt, vet, lint, and test"
@echo " bench - Run benchmarks"
@echo " help - Show this help message"

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README.md Normal file
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# s3-genindex
Generate HTML directory indexes with file type icons and responsive design.
## Install
```bash
go install git.ipng.ch/ipng/s3-genindex/cmd/s3-genindex@latest
```
## Usage
```bash
# Generate index.html in current directory
s3-genindex
# Generate recursively with custom output
s3-genindex -r -o listing.html /path/to/dir
# Exclude files by regex
s3-genindex -x "(build|node_modules|\.tmp)"
```
## Build
```bash
make build
make test
```
See [docs/DETAILS.md](docs/DETAILS.md) for complete documentation.

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# s3-genindex - Detailed Documentation
## Overview
s3-genindex is a Go rewrite of the original Python genindex.py script. It generates HTML directory listings with file type icons, responsive design, and dark mode support.
## Features
- **File Type Detection**: Recognizes 100+ file extensions with appropriate icons
- **Responsive Design**: Works on desktop and mobile devices
- **Dark Mode**: Automatic dark mode support based on system preferences
- **Recursive Processing**: Generate indexes for entire directory trees
- **File Filtering**: Include/exclude files by pattern or regex
- **Symlink Support**: Special handling for symbolic links
- **Custom Output**: Configurable output filename
- **Breadcrumb Navigation**: Parent directory navigation
## Installation
### From Source
```bash
git clone https://git.ipng.ch/ipng/s3-genindex.git
cd s3-genindex
make build
```
### Using Go Install
```bash
go install git.ipng.ch/ipng/s3-genindex/cmd/s3-genindex@latest
```
## Command Line Options
```
Usage: s3-genindex [OPTIONS] [directory]
-d, --dir-append append output file to directory href
-f, --filter string only include files matching glob (default "*")
-i, --include-hidden include dot hidden files
-o, --output-file string custom output file (default "index.html")
-r, --recursive recursively process nested dirs
-v, --verbose verbosely list every processed file
-x, --exclude-regex string exclude files matching regular expression
--top-dir string top folder from which to start generating indexes
```
## Usage Examples
### Basic Usage
```bash
# Generate index.html in current directory
s3-genindex
# Generate index for specific directory
s3-genindex /path/to/directory
# Generate with custom output filename
s3-genindex -o listing.html
```
### Recursive Processing
```bash
# Process directory tree recursively
s3-genindex -r
# Process recursively with verbose output
s3-genindex -rv /var/www
```
### File Filtering
```bash
# Include only Python files
s3-genindex --filter "*.py"
# Exclude build artifacts and dependencies
s3-genindex -x "(build|dist|node_modules|__pycache__|\\.tmp)"
# Include hidden files
s3-genindex -i
```
### Advanced Usage
```bash
# Recursive with custom output and exclusions
s3-genindex -r -o index.html -x "(\.git|\.svn|node_modules)" /var/www
# Verbose processing with directory appending
s3-genindex -rv --dir-append /home/user/public
```
## File Type Support
The tool recognizes and provides appropriate icons for:
### Programming Languages
- Go (`.go`)
- Python (`.py`, `.pyc`, `.pyo`)
- JavaScript/TypeScript (`.js`, `.ts`, `.json`)
- HTML/CSS (`.html`, `.htm`, `.css`, `.scss`)
- Shell scripts (`.sh`, `.bash`, `.bat`, `.ps1`)
- SQL (`.sql`)
### Documents
- PDF (`.pdf`)
- Text/Markdown (`.txt`, `.md`, `.markdown`)
- Office documents (`.doc`, `.docx`, `.xls`, `.xlsx`, `.ppt`, `.pptx`)
- CSV (`.csv`)
### Media Files
- Images (`.jpg`, `.png`, `.gif`, `.svg`, `.webp`)
- Videos (`.mp4`, `.mov`, `.avi`, `.webm`)
- Audio (`.mp3`, `.wav`, `.flac`, `.ogg`)
### Archives
- Zip files (`.zip`, `.tar`, `.gz`, `.7z`, `.rar`)
- Package files (`.deb`, `.rpm`, `.dmg`, `.pkg`)
### System Files
- Certificates (`.crt`, `.pem`, `.key`)
- Configuration files
- License files (LICENSE, README)
## HTML Output Features
### Responsive Design
- Mobile-friendly layout
- Collapsible columns on small screens
- Touch-friendly navigation
### Dark Mode
- Automatic detection of system preference
- Clean dark color scheme
- Proper contrast ratios
### File Information
- File sizes in human-readable format
- Last modified timestamps
- File type icons
- Sorting (directories first, then alphabetical)
### Navigation
- Parent directory links
- Breadcrumb-style navigation
- Clickable file/directory entries
## Project Structure
```
s3-genindex/
├── cmd/s3-genindex/ # Main application
│ ├── main.go # CLI entry point
│ └── main_test.go # CLI tests
├── internal/indexgen/ # Core library
│ ├── indexgen.go # Main functionality
│ ├── indexgen_test.go # Unit tests
│ └── integration_test.go # Integration tests
├── docs/ # Documentation
├── Makefile # Build automation
├── README.md # Quick start guide
└── go.mod # Go module definition
```
## Development
### Building
```bash
make build # Build binary
make test # Run tests
make test-coverage # Run tests with coverage
make check # Run all checks (fmt, vet, lint, test)
```
### Testing
The project includes comprehensive tests:
- **Unit tests**: Test individual functions and utilities
- **Integration tests**: Test complete directory processing workflows
- **Template tests**: Verify HTML template generation
- **CLI tests**: Test command-line argument parsing
Run tests with:
```bash
make test # Basic test run
make test-coverage # With coverage report
go test -v ./... # Verbose output
go test -short ./... # Skip integration tests
```
### Code Quality
```bash
make fmt # Format code
make vet # Vet for issues
make lint # Run golangci-lint (if installed)
make check # Run all quality checks
```
## Configuration
No configuration files are needed. All options are provided via command-line arguments.
### Environment Variables
The tool respects standard Go environment variables:
- `GOOS` and `GOARCH` for cross-compilation
- `GOPATH` and `GOBIN` for installation paths
## Comparison with Original
This Go version provides the same functionality as the original Python script with these improvements:
### Performance
- Faster execution, especially for large directory trees
- Lower memory usage
- Single binary deployment
### Maintenance
- Comprehensive test suite
- Type safety
- Better error handling
- Structured codebase
### Compatibility
- Identical HTML output
- Same command-line interface
- Cross-platform binary
## Troubleshooting
### Common Issues
**Permission Errors**
```bash
# Ensure read permissions on target directory
chmod +r /path/to/directory
```
**Large Directories**
```bash
# Use verbose mode to monitor progress
s3-genindex -v /large/directory
# Exclude unnecessary files
s3-genindex -x "(\.git|node_modules|__pycache__)"
```
**Memory Usage**
```bash
# Process directories individually for very large trees
for dir in */; do s3-genindex "$dir"; done
```
### Debug Mode
Enable verbose output to see detailed processing:
```bash
s3-genindex -v /path/to/debug
```
## License
Licensed under the Apache License 2.0. See original Python script for full license text.
## Contributing
1. Fork the repository
2. Create a feature branch
3. Add tests for new functionality
4. Run `make check` to ensure code quality
5. Submit a pull request
## Changelog
### v1.0.0
- Initial Go rewrite
- Complete feature parity with Python version
- Comprehensive test suite
- Modern Go project structure

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module git.ipng.ch/ipng/s3-genindex
go 1.23

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package indexgen
import (
"fmt"
"html/template"
"net/url"
"os"
"path/filepath"
"regexp"
"sort"
"strconv"
"strings"
"time"
)
const (
DefaultOutputFile = "index.html"
)
var ExtensionTypes = map[string]string{
"id_rsa": "cert",
"LICENSE": "license",
"README": "license",
".jpg": "image",
".jpeg": "image",
".png": "image",
".gif": "image",
".webp": "image",
".tiff": "image",
".bmp": "image",
".heif": "image",
".heic": "image",
".svg": "image",
".mp4": "video",
".mov": "video",
".mpeg": "video",
".avi": "video",
".ogv": "video",
".webm": "video",
".mkv": "video",
".vob": "video",
".gifv": "video",
".3gp": "video",
".mp3": "audio",
".m4a": "audio",
".aac": "audio",
".ogg": "audio",
".flac": "audio",
".wav": "audio",
".wma": "audio",
".midi": "audio",
".cda": "audio",
".aiff": "audio",
".aif": "audio",
".caf": "audio",
".pdf": "pdf",
".csv": "csv",
".txt": "doc",
".doc": "doc",
".docx": "doc",
".odt": "doc",
".fodt": "doc",
".rtf": "doc",
".abw": "doc",
".pages": "doc",
".xls": "sheet",
".xlsx": "sheet",
".ods": "sheet",
".fods": "sheet",
".numbers": "sheet",
".ppt": "ppt",
".pptx": "ppt",
".odp": "ppt",
".fodp": "ppt",
".zip": "archive",
".gz": "archive",
".xz": "archive",
".tar": "archive",
".7z": "archive",
".rar": "archive",
".zst": "archive",
".bz2": "archive",
".bzip": "archive",
".arj": "archive",
".z": "archive",
".deb": "deb",
".dpkg": "deb",
".rpm": "dist",
".exe": "dist",
".flatpak": "dist",
".appimage": "dist",
".jar": "dist",
".msi": "dist",
".apk": "dist",
".ps1": "ps1",
".py": "py",
".pyc": "py",
".pyo": "py",
".egg": "py",
".sh": "sh",
".bash": "sh",
".com": "sh",
".bat": "sh",
".dll": "sh",
".so": "sh",
".dmg": "dmg",
".iso": "iso",
".img": "iso",
".md": "md",
".mdown": "md",
".markdown": "md",
".ttf": "font",
".ttc": "font",
".otf": "font",
".woff": "font",
".woff2": "font",
".eof": "font",
".apf": "font",
".go": "go",
".html": "html",
".htm": "html",
".php": "html",
".php3": "html",
".asp": "html",
".aspx": "html",
".css": "css",
".scss": "css",
".less": "css",
".json": "json",
".json5": "json",
".jsonc": "json",
".ts": "ts",
".js": "js",
".sql": "sql",
".db": "db",
".sqlite": "db",
".mdb": "db",
".odb": "db",
".eml": "email",
".email": "email",
".mailbox": "email",
".mbox": "email",
".msg": "email",
".crt": "cert",
".pem": "cert",
".x509": "cert",
".cer": "cert",
".der": "cert",
".ca-bundle": "cert",
".key": "keystore",
".keystore": "keystore",
".jks": "keystore",
".p12": "keystore",
".pfx": "keystore",
".pub": "keystore",
"symlink": "symlink",
"generic": "generic",
}
type Options struct {
TopDir string
Filter string
OutputFile string
DirAppend bool
Recursive bool
IncludeHidden bool
ExcludeRegex *regexp.Regexp
Verbose bool
}
type FileEntry struct {
Name string
Path string
IsDir bool
IsSymlink bool
Size int64
ModTime time.Time
IconType string
CSSClass string
SizePretty string
ModTimeISO string
ModTimeHuman string
}
func ProcessDir(topDir string, opts *Options) error {
absPath, err := filepath.Abs(topDir)
if err != nil {
return fmt.Errorf("failed to get absolute path: %w", err)
}
if opts.Verbose {
fmt.Printf("Traversing dir %s\n", absPath)
}
indexPath := filepath.Join(absPath, opts.OutputFile)
file, err := os.Create(indexPath)
if err != nil {
return fmt.Errorf("cannot create file %s: %w", indexPath, err)
}
defer file.Close()
dirName := filepath.Base(absPath)
entries, err := ReadDirEntries(absPath, opts)
if err != nil {
return fmt.Errorf("failed to read directory: %w", err)
}
sort.Slice(entries, func(i, j int) bool {
if entries[i].IsDir != entries[j].IsDir {
return entries[i].IsDir
}
return entries[i].Name < entries[j].Name
})
templateData := struct {
DirName string
Entries []FileEntry
DirAppend bool
OutputFile string
}{
DirName: dirName,
Entries: entries,
DirAppend: opts.DirAppend,
OutputFile: opts.OutputFile,
}
err = GetHTMLTemplate().Execute(file, templateData)
if err != nil {
return fmt.Errorf("failed to execute template: %w", err)
}
if opts.Recursive {
for _, entry := range entries {
if entry.IsDir && !entry.IsSymlink {
fullPath := filepath.Join(absPath, entry.Name)
err := ProcessDir(fullPath, opts)
if err != nil {
fmt.Printf("Error processing directory %s: %v\n", fullPath, err)
}
}
}
}
return nil
}
func ReadDirEntries(dirPath string, opts *Options) ([]FileEntry, error) {
files, err := os.ReadDir(dirPath)
if err != nil {
return nil, err
}
var entries []FileEntry
for _, file := range files {
fileName := file.Name()
if strings.EqualFold(fileName, opts.OutputFile) {
continue
}
if !opts.IncludeHidden && strings.HasPrefix(fileName, ".") {
continue
}
if opts.ExcludeRegex != nil && opts.ExcludeRegex.MatchString(fileName) {
continue
}
fullPath := filepath.Join(dirPath, fileName)
info, err := file.Info()
if err != nil {
fmt.Printf("*** WARNING *** entry %s is not accessible! SKIPPING! Error: %v\n", fullPath, err)
continue
}
if opts.Verbose {
fmt.Println(fullPath)
}
entry := FileEntry{
Name: fileName,
Path: fileName,
IsDir: file.IsDir(),
ModTime: info.ModTime(),
}
entry.IsSymlink = info.Mode()&os.ModeSymlink != 0
if file.IsDir() && !entry.IsSymlink {
entry.Size = -1
entry.SizePretty = "&mdash;"
entry.IconType = "folder"
entry.CSSClass = "folder_filled"
entry.Path = fileName + "/"
} else if file.IsDir() && entry.IsSymlink {
entry.Size = -1
entry.SizePretty = "&mdash;"
entry.IconType = "folder-symlink"
fmt.Printf("dir-symlink %s\n", fullPath)
} else if !file.IsDir() && entry.IsSymlink {
entry.Size = info.Size()
entry.SizePretty = PrettySize(entry.Size)
entry.IconType = "symlink"
fmt.Printf("file-symlink %s\n", fullPath)
} else {
entry.Size = info.Size()
entry.SizePretty = PrettySize(entry.Size)
entry.IconType = GetIconType(fileName)
}
if file.IsDir() && opts.DirAppend {
entry.Path += opts.OutputFile
}
entry.ModTimeISO = entry.ModTime.Format(time.RFC3339)
entry.ModTimeHuman = entry.ModTime.Format(time.RFC822)
entries = append(entries, entry)
}
return entries, nil
}
func GetIconType(fileName string) string {
ext := strings.ToLower(filepath.Ext(fileName))
if iconType, exists := ExtensionTypes[ext]; exists {
return iconType
}
if iconType, exists := ExtensionTypes[fileName]; exists {
return iconType
}
return "generic"
}
func PrettySize(bytes int64) string {
units := []struct {
factor int64
suffix string
}{
{1024 * 1024 * 1024 * 1024 * 1024, " PB"},
{1024 * 1024 * 1024 * 1024, " TB"},
{1024 * 1024 * 1024, " GB"},
{1024 * 1024, " MB"},
{1024, " KB"},
{1, " byte"},
}
for _, unit := range units {
if bytes >= unit.factor {
amount := bytes / unit.factor
if unit.suffix == " byte" {
if amount == 1 {
return strconv.FormatInt(amount, 10) + " byte"
}
return strconv.FormatInt(amount, 10) + " bytes"
}
return strconv.FormatInt(amount, 10) + unit.suffix
}
}
return "0 bytes"
}
func GetHTMLTemplate() *template.Template {
return template.Must(template.New("index").Funcs(template.FuncMap{
"urlEscape": func(s string) string {
return url.QueryEscape(s)
},
"safeHTML": func(s string) template.HTML {
return template.HTML(s)
},
}).Parse(htmlTemplateString))
}
const htmlTemplateString = `<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
* { padding: 0; margin: 0; }
path_FIXME {
color: #ffb900 !important;
}
path {
color: #8a8a8a;
}
body {
font-family: sans-serif;
text-rendering: optimizespeed;
background-color: #ffffff;
min-height: 100vh;
}
body,
a,
svg,
.layout.current,
.layout.current svg,
.go-up {
color: #333;
text-decoration: none;
}
a {
color: #006ed3;
text-decoration: none;
}
a:hover,
h1 a:hover {
color: #319cff;
}
header,
#summary {
padding-left: 5%;
padding-right: 5%;
}
th:first-child,
td:first-child {
width: 5%;
}
th:last-child,
td:last-child {
width: 5%;
}
header {
padding-top: 25px;
padding-bottom: 15px;
background-color: #f2f2f2;
}
h1 {
font-size: 20px;
font-weight: normal;
white-space: nowrap;
overflow-x: hidden;
text-overflow: ellipsis;
color: #999;
}
h1 a {
color: #000;
margin: 0 4px;
}
h1 a:hover {
text-decoration: underline;
}
h1 a:first-child {
margin: 0;
}
main {
display: block;
margin: 3em auto 0;
border-radius: 5px;
box-shadow: 0 2px 5px 1px rgb(0 0 0 / 5%);
}
.meta {
font-size: 12px;
font-family: Verdana, sans-serif;
border-bottom: 1px solid #9C9C9C;
padding-top: 10px;
padding-bottom: 10px;
}
.meta-item {
margin-right: 1em;
}
#filter {
padding: 4px;
border: 1px solid #CCC;
}
table {
width: 100%;
border-collapse: collapse;
}
tr {
border-bottom: 1px dashed #dadada;
}
tbody tr:hover {
background-color: #ffffec;
}
th,
td {
text-align: left;
padding: 10px 0;
}
th {
padding-top: 15px;
padding-bottom: 15px;
font-size: 16px;
white-space: nowrap;
}
th a {
color: black;
}
th svg {
vertical-align: middle;
z-index: 1;
}
td {
white-space: nowrap;
font-size: 14px;
}
td:nth-child(2) {
width: 80%;
}
td:nth-child(3) {
padding: 0 20px 0 20px;
}
th:nth-child(4),
td:nth-child(4) {
text-align: right;
}
td:nth-child(2) svg {
position: absolute;
}
td .name {
margin-left: 2.34em;
word-break: break-all;
overflow-wrap: break-word;
white-space: pre-wrap;
}
td .goup {
margin-left: 1.75em;
padding: 0;
word-break: break-all;
overflow-wrap: break-word;
white-space: pre-wrap;
}
.icon {
margin-right: 5px;
}
tr.clickable {
cursor: pointer;
}
tr.clickable a {
display: block;
}
.folder-filled {
color: #ffb900 !important;
}
@media (max-width: 600px) {
* {
font-size: 1.06rem;
}
.hideable {
display: none;
}
td:nth-child(2) {
width: auto;
}
th:nth-child(3),
td:nth-child(3) {
padding-right: 5%;
text-align: right;
}
h1 {
color: #000;
}
h1 a {
margin: 0;
}
#filter {
max-width: 100px;
}
}
@media (prefers-color-scheme: dark) {
body {
color: #eee;
background: #121212;
}
header {
color: #eee;
background: #151515;
}
tbody tr:hover {
background-color: #000020;
}
}
</style>
</head>
<body>
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<g id="keystore">
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
<path d="M16.555 3.843l3.602 3.602a2.877 2.877 0 0 1 0 4.069l-2.643 2.643a2.877 2.877 0 0 1 -4.069 0l-.301 -.301l-6.558 6.558a2 2 0 0 1 -1.239 .578l-.175 .008h-1.172a1 1 0 0 1 -.993 -.883l-.007 -.117v-1.172a2 2 0 0 1 .467 -1.284l.119 -.13l.414 -.414h2v-2h2v-2l2.144 -2.144l-.301 -.301a2.877 2.877 0 0 1 0 -4.069l2.643 -2.643a2.877 2.877 0 0 1 4.069 0z"></path>
<path d="M15 9h.01"></path>
</g>
</defs>
</svg>
<header>
<h1>{{.DirName}}</h1>
</header>
<main>
<div class="listing">
<table aria-describedby="summary">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Size</th>
<th class="hideable">
Modified
</th>
<th class="hideable"></th>
</tr>
</thead>
<tbody>
<tr class="clickable">
<td></td>
<td><a href="../{{if .DirAppend}}{{.OutputFile}}{{end}}">
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-corner-left-up" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
<path d="M18 18h-6a3 3 0 0 1 -3 -3v-10l-4 4m8 0l-4 -4"></path>
</svg>
<span class="goup">..</span></a></td>
<td>&mdash;</td>
<td class="hideable">&mdash;</td>
<td class="hideable"></td>
</tr>
{{range .Entries}}
<tr class="file">
<td></td>
<td>
<a href="{{urlEscape .Path}}">
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use xlink:href="#{{.IconType}}" class="{{.CSSClass}}"></use></svg>
<span class="name">{{.Name}}</span>
</a>
</td>
<td data-order="{{.Size}}">{{safeHTML .SizePretty}}</td>
<td class="hideable"><time datetime="{{.ModTimeISO}}">{{.ModTimeHuman}}</time></td>
<td class="hideable"></td>
</tr>
{{end}}
</tbody>
</table>
</div>
</main>
</body>
</html>`

View File

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package indexgen
import (
"bytes"
"os"
"path/filepath"
"regexp"
"testing"
"time"
)
func TestPrettySize(t *testing.T) {
tests := []struct {
input int64
expected string
}{
{0, "0 bytes"},
{1, "1 byte"},
{2, "2 bytes"},
{1023, "1023 bytes"},
{1024, "1 KB"},
{1536, "1 KB"},
{2048, "2 KB"},
{1024 * 1024, "1 MB"},
{1024 * 1024 * 1024, "1 GB"},
{1024 * 1024 * 1024 * 1024, "1 TB"},
{1024 * 1024 * 1024 * 1024 * 1024, "1 PB"},
}
for _, tt := range tests {
result := PrettySize(tt.input)
if result != tt.expected {
t.Errorf("PrettySize(%d) = %s, want %s", tt.input, result, tt.expected)
}
}
}
func TestGetIconType(t *testing.T) {
tests := []struct {
filename string
expected string
}{
{"test.go", "go"},
{"test.py", "py"},
{"test.js", "js"},
{"test.html", "html"},
{"test.css", "css"},
{"test.json", "json"},
{"test.md", "md"},
{"test.pdf", "pdf"},
{"test.jpg", "image"},
{"test.png", "image"},
{"test.mp4", "video"},
{"test.mp3", "audio"},
{"test.zip", "archive"},
{"test.txt", "doc"},
{"README", "license"},
{"LICENSE", "license"},
{"unknown.ext", "generic"},
{"noext", "generic"},
}
for _, tt := range tests {
result := GetIconType(tt.filename)
if result != tt.expected {
t.Errorf("GetIconType(%s) = %s, want %s", tt.filename, result, tt.expected)
}
}
}
func TestGetIconTypeCaseInsensitive(t *testing.T) {
tests := []struct {
filename string
expected string
}{
{"test.GO", "go"},
{"test.Py", "py"},
{"test.JPG", "image"},
{"test.PNG", "image"},
{"test.MP4", "video"},
{"test.MP3", "audio"},
}
for _, tt := range tests {
result := GetIconType(tt.filename)
if result != tt.expected {
t.Errorf("GetIconType(%s) = %s, want %s", tt.filename, result, tt.expected)
}
}
}
func TestHTMLTemplate(t *testing.T) {
tmpl := GetHTMLTemplate()
if tmpl == nil {
t.Fatal("GetHTMLTemplate() returned nil")
}
// Test template execution with sample data
data := struct {
DirName string
Entries []FileEntry
DirAppend bool
OutputFile string
}{
DirName: "test-dir",
Entries: []FileEntry{},
DirAppend: false,
OutputFile: "index.html",
}
var buf bytes.Buffer
err := tmpl.Execute(&buf, data)
if err != nil {
t.Fatalf("Template execution failed: %v", err)
}
output := buf.String()
if !bytes.Contains([]byte(output), []byte("test-dir")) {
t.Error("Template output should contain directory name")
}
if !bytes.Contains([]byte(output), []byte("<!DOCTYPE html>")) {
t.Error("Template output should contain HTML doctype")
}
}
func TestHTMLTemplateWithEntries(t *testing.T) {
tmpl := GetHTMLTemplate()
entries := []FileEntry{
{
Name: "test.go",
Path: "test.go",
IsDir: false,
IsSymlink: false,
Size: 1024,
ModTime: time.Now(),
IconType: "go",
CSSClass: "",
SizePretty: "1 KB",
ModTimeISO: "2023-01-01T12:00:00Z",
ModTimeHuman: "01 Jan 23 12:00 UTC",
},
{
Name: "subfolder",
Path: "subfolder/",
IsDir: true,
IsSymlink: false,
Size: -1,
ModTime: time.Now(),
IconType: "folder",
CSSClass: "folder_filled",
SizePretty: "&mdash;",
ModTimeISO: "2023-01-01T12:00:00Z",
ModTimeHuman: "01 Jan 23 12:00 UTC",
},
}
data := struct {
DirName string
Entries []FileEntry
DirAppend bool
OutputFile string
}{
DirName: "test-dir",
Entries: entries,
DirAppend: false,
OutputFile: "index.html",
}
var buf bytes.Buffer
err := tmpl.Execute(&buf, data)
if err != nil {
t.Fatalf("Template execution with entries failed: %v", err)
}
output := buf.String()
if !bytes.Contains([]byte(output), []byte("test.go")) {
t.Error("Template output should contain file name")
}
if !bytes.Contains([]byte(output), []byte("subfolder")) {
t.Error("Template output should contain folder name")
}
if !bytes.Contains([]byte(output), []byte("#go")) {
t.Error("Template output should contain Go icon reference")
}
if !bytes.Contains([]byte(output), []byte("#folder")) {
t.Error("Template output should contain folder icon reference")
}
}
func TestReadDirEntries(t *testing.T) {
// Create a temporary directory with test files
tempDir := t.TempDir()
// Create test files
testFiles := []string{"test.go", "test.py", "README.md", ".hidden"}
for _, file := range testFiles {
f, err := os.Create(filepath.Join(tempDir, file))
if err != nil {
t.Fatalf("Failed to create test file %s: %v", file, err)
}
_, err = f.WriteString("test content")
if err != nil {
t.Fatalf("Failed to write to file: %v", err)
}
f.Close()
}
// Create a subdirectory
subDir := filepath.Join(tempDir, "subdir")
err := os.Mkdir(subDir, 0755)
if err != nil {
t.Fatalf("Failed to create subdirectory: %v", err)
}
opts := &Options{
OutputFile: "index.html",
IncludeHidden: false,
Verbose: false,
}
entries, err := ReadDirEntries(tempDir, opts)
if err != nil {
t.Fatalf("ReadDirEntries failed: %v", err)
}
// Should have 4 entries (3 visible files + 1 directory), .hidden should be excluded
expectedCount := 4
if len(entries) != expectedCount {
t.Errorf("Expected %d entries, got %d", expectedCount, len(entries))
}
// Check that we have the expected files (ReadDirEntries doesn't sort, ProcessDir does)
foundDir := false
for _, entry := range entries {
if entry.IsDir && entry.Name == "subdir" {
foundDir = true
break
}
}
if !foundDir {
t.Error("Expected to find subdirectory 'subdir'")
}
// Check that hidden file is excluded
for _, entry := range entries {
if entry.Name == ".hidden" {
t.Error("Hidden file should be excluded when IncludeHidden is false")
}
}
}
func TestReadDirEntriesWithHidden(t *testing.T) {
tempDir := t.TempDir()
// Create test files including hidden
testFiles := []string{"test.go", ".hidden"}
for _, file := range testFiles {
f, err := os.Create(filepath.Join(tempDir, file))
if err != nil {
t.Fatalf("Failed to create test file %s: %v", file, err)
}
f.Close()
}
opts := &Options{
OutputFile: "index.html",
IncludeHidden: true,
Verbose: false,
}
entries, err := ReadDirEntries(tempDir, opts)
if err != nil {
t.Fatalf("ReadDirEntries failed: %v", err)
}
// Should include hidden file
found := false
for _, entry := range entries {
if entry.Name == ".hidden" {
found = true
break
}
}
if !found {
t.Error("Hidden file should be included when IncludeHidden is true")
}
}
func TestReadDirEntriesWithRegexExclusion(t *testing.T) {
tempDir := t.TempDir()
// Create test files
testFiles := []string{"test.go", "test.py", "build.log", "node_modules.txt"}
for _, file := range testFiles {
f, err := os.Create(filepath.Join(tempDir, file))
if err != nil {
t.Fatalf("Failed to create test file %s: %v", file, err)
}
f.Close()
}
regex := regexp.MustCompile("(build|node_modules)")
opts := &Options{
OutputFile: "index.html",
IncludeHidden: false,
ExcludeRegex: regex,
Verbose: false,
}
entries, err := ReadDirEntries(tempDir, opts)
if err != nil {
t.Fatalf("ReadDirEntries failed: %v", err)
}
// Check that excluded files are not present
for _, entry := range entries {
if entry.Name == "build.log" || entry.Name == "node_modules.txt" {
t.Errorf("File %s should be excluded by regex", entry.Name)
}
}
// Should have 2 entries (test.go, test.py)
if len(entries) != 2 {
t.Errorf("Expected 2 entries after regex exclusion, got %d", len(entries))
}
}
func TestFileEntryProperties(t *testing.T) {
tempDir := t.TempDir()
// Create a test file with known content
testFile := filepath.Join(tempDir, "test.go")
content := "package main\nfunc main() {}\n"
err := os.WriteFile(testFile, []byte(content), 0644)
if err != nil {
t.Fatalf("Failed to create test file: %v", err)
}
opts := &Options{
OutputFile: "index.html",
IncludeHidden: false,
Verbose: false,
}
entries, err := ReadDirEntries(tempDir, opts)
if err != nil {
t.Fatalf("ReadDirEntries failed: %v", err)
}
if len(entries) != 1 {
t.Fatalf("Expected 1 entry, got %d", len(entries))
}
entry := entries[0]
// Verify properties
if entry.Name != "test.go" {
t.Errorf("Expected name 'test.go', got '%s'", entry.Name)
}
if entry.IsDir {
t.Error("Expected file to not be a directory")
}
if entry.IsSymlink {
t.Error("Expected file to not be a symlink")
}
if entry.IconType != "go" {
t.Errorf("Expected icon type 'go', got '%s'", entry.IconType)
}
if entry.Size != int64(len(content)) {
t.Errorf("Expected size %d, got %d", len(content), entry.Size)
}
if entry.SizePretty != PrettySize(int64(len(content))) {
t.Errorf("Size pretty mismatch")
}
}

View File

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package indexgen
import (
"os"
"path/filepath"
"regexp"
"strings"
"testing"
)
func TestProcessDirBasic(t *testing.T) {
tempDir := t.TempDir()
// Create test files
testFiles := []string{"test.go", "test.py", "README.md"}
for _, file := range testFiles {
f, err := os.Create(filepath.Join(tempDir, file))
if err != nil {
t.Fatalf("Failed to create test file %s: %v", file, err)
}
_, err = f.WriteString("test content")
if err != nil {
t.Fatalf("Failed to write to file: %v", err)
}
f.Close()
}
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
IncludeHidden: false,
Verbose: false,
}
err := ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Check that index.html was created
indexPath := filepath.Join(tempDir, "index.html")
if _, err := os.Stat(indexPath); os.IsNotExist(err) {
t.Fatal("index.html was not created")
}
// Read and verify content
content, err := os.ReadFile(indexPath)
if err != nil {
t.Fatalf("Failed to read index.html: %v", err)
}
htmlContent := string(content)
// Check for HTML structure
if !strings.Contains(htmlContent, "<!DOCTYPE html>") {
t.Error("index.html should contain HTML doctype")
}
// Check for file entries
for _, file := range testFiles {
if !strings.Contains(htmlContent, file) {
t.Errorf("index.html should contain file %s", file)
}
}
// Check for proper file icons
if !strings.Contains(htmlContent, "#go") {
t.Error("index.html should contain Go icon reference for .go files")
}
if !strings.Contains(htmlContent, "#py") {
t.Error("index.html should contain Python icon reference for .py files")
}
if !strings.Contains(htmlContent, "#md") {
t.Error("index.html should contain Markdown icon reference for .md files")
}
}
func TestProcessDirRecursive(t *testing.T) {
tempDir := t.TempDir()
// Create test files in root
f, err := os.Create(filepath.Join(tempDir, "root.txt"))
if err != nil {
t.Fatalf("Failed to create root file: %v", err)
}
f.Close()
// Create subdirectory with files
subDir := filepath.Join(tempDir, "subdir")
err = os.Mkdir(subDir, 0755)
if err != nil {
t.Fatalf("Failed to create subdirectory: %v", err)
}
subFile, err := os.Create(filepath.Join(subDir, "sub.txt"))
if err != nil {
t.Fatalf("Failed to create sub file: %v", err)
}
subFile.Close()
// Create nested subdirectory
nestedDir := filepath.Join(subDir, "nested")
err = os.Mkdir(nestedDir, 0755)
if err != nil {
t.Fatalf("Failed to create nested directory: %v", err)
}
nestedFile, err := os.Create(filepath.Join(nestedDir, "nested.txt"))
if err != nil {
t.Fatalf("Failed to create nested file: %v", err)
}
nestedFile.Close()
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
Recursive: true,
IncludeHidden: false,
Verbose: false,
}
err = ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Check that index.html files were created in each directory
indexPaths := []string{
filepath.Join(tempDir, "index.html"),
filepath.Join(subDir, "index.html"),
filepath.Join(nestedDir, "index.html"),
}
for _, indexPath := range indexPaths {
if _, err := os.Stat(indexPath); os.IsNotExist(err) {
t.Errorf("index.html was not created at %s", indexPath)
}
}
// Check root index.html contains subdirectory
rootContent, err := os.ReadFile(filepath.Join(tempDir, "index.html"))
if err != nil {
t.Fatalf("Failed to read root index.html: %v", err)
}
if !strings.Contains(string(rootContent), "subdir") {
t.Error("Root index.html should contain subdirectory")
}
// Check sub index.html contains nested directory
subContent, err := os.ReadFile(filepath.Join(subDir, "index.html"))
if err != nil {
t.Fatalf("Failed to read sub index.html: %v", err)
}
if !strings.Contains(string(subContent), "nested") {
t.Error("Sub index.html should contain nested directory")
}
if !strings.Contains(string(subContent), "sub.txt") {
t.Error("Sub index.html should contain sub.txt file")
}
}
func TestProcessDirWithExcludeRegex(t *testing.T) {
tempDir := t.TempDir()
// Create test files
testFiles := []string{"include.go", "exclude.tmp", "node_modules.txt"}
for _, file := range testFiles {
f, err := os.Create(filepath.Join(tempDir, file))
if err != nil {
t.Fatalf("Failed to create test file %s: %v", file, err)
}
f.Close()
}
regex := regexp.MustCompile("(tmp|node_modules)")
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
ExcludeRegex: regex,
IncludeHidden: false,
Verbose: false,
}
err := ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Read and verify content
content, err := os.ReadFile(filepath.Join(tempDir, "index.html"))
if err != nil {
t.Fatalf("Failed to read index.html: %v", err)
}
htmlContent := string(content)
// Check that included file is present
if !strings.Contains(htmlContent, "include.go") {
t.Error("index.html should contain include.go")
}
// Check that excluded files are not present
if strings.Contains(htmlContent, "exclude.tmp") {
t.Error("index.html should not contain exclude.tmp (excluded by regex)")
}
if strings.Contains(htmlContent, "node_modules.txt") {
t.Error("index.html should not contain node_modules.txt (excluded by regex)")
}
}
func TestProcessDirWithDirAppend(t *testing.T) {
tempDir := t.TempDir()
// Create a subdirectory
subDir := filepath.Join(tempDir, "subdir")
err := os.Mkdir(subDir, 0755)
if err != nil {
t.Fatalf("Failed to create subdirectory: %v", err)
}
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
DirAppend: true,
IncludeHidden: false,
Verbose: false,
}
err = ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Read and verify content
content, err := os.ReadFile(filepath.Join(tempDir, "index.html"))
if err != nil {
t.Fatalf("Failed to read index.html: %v", err)
}
htmlContent := string(content)
// Check that directory links include index.html (URL escaped)
if !strings.Contains(htmlContent, "subdir%2Findex.html") {
t.Errorf("Directory links should include index.html when DirAppend is true. Expected subdir%%2Findex.html in content")
}
}
func TestProcessDirVerbose(t *testing.T) {
tempDir := t.TempDir()
// Create test file
f, err := os.Create(filepath.Join(tempDir, "test.txt"))
if err != nil {
t.Fatalf("Failed to create test file: %v", err)
}
f.Close()
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
Verbose: true,
IncludeHidden: false,
}
err = ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Check that index.html was created
indexPath := filepath.Join(tempDir, "index.html")
if _, err := os.Stat(indexPath); os.IsNotExist(err) {
t.Fatal("index.html was not created")
}
}
func TestProcessDirErrorHandling(t *testing.T) {
// Test with non-existent directory
opts := &Options{
TopDir: "/non/existent/directory",
OutputFile: "index.html",
IncludeHidden: false,
Verbose: false,
}
err := ProcessDir("/non/existent/directory", opts)
if err == nil {
t.Error("ProcessDir should fail with non-existent directory")
}
}
func TestProcessDirWithSymlinks(t *testing.T) {
tempDir := t.TempDir()
// Create a regular file
regularFile := filepath.Join(tempDir, "regular.txt")
f, err := os.Create(regularFile)
if err != nil {
t.Fatalf("Failed to create regular file: %v", err)
}
_, err = f.WriteString("content")
if err != nil {
t.Fatalf("Failed to write to file: %v", err)
}
f.Close()
// Create a symlink to the file (skip on Windows)
symlinkFile := filepath.Join(tempDir, "symlink.txt")
err = os.Symlink(regularFile, symlinkFile)
if err != nil {
// Skip symlink tests on systems that don't support them
t.Skipf("Skipping symlink test: %v", err)
}
opts := &Options{
TopDir: tempDir,
OutputFile: "index.html",
IncludeHidden: false,
Verbose: false,
}
err = ProcessDir(tempDir, opts)
if err != nil {
t.Fatalf("ProcessDir failed: %v", err)
}
// Read and verify content
content, err := os.ReadFile(filepath.Join(tempDir, "index.html"))
if err != nil {
t.Fatalf("Failed to read index.html: %v", err)
}
htmlContent := string(content)
// Check that both regular file and symlink are present
if !strings.Contains(htmlContent, "regular.txt") {
t.Error("index.html should contain regular file")
}
if !strings.Contains(htmlContent, "symlink.txt") {
t.Error("index.html should contain symlink file")
}
// Check that symlink has appropriate icon
if !strings.Contains(htmlContent, "#symlink") {
t.Error("index.html should contain symlink icon for symlinked file")
}
}