12 Commits

Author SHA1 Message Date
3a72204915 +comment 2025-10-29 09:06:12 +01:00
0516534526 fix token 2025-10-29 09:03:30 +01:00
d260f5299f add when clause 2025-10-29 09:03:09 +01:00
1f93d2d37d fix indend 2025-10-29 08:57:58 +01:00
55addf2a77 add release pipeline 2025-10-29 08:46:57 +01:00
06dec42e83 add branch (test only) 2025-10-28 23:04:25 +01:00
fceee7bc04 badges to codeberg 2025-10-28 22:58:04 +01:00
8edca6d367 use lint binary 2025-10-28 22:47:05 +01:00
1ab65e69a0 try with freebsd 2025-10-28 22:43:32 +01:00
7a62b2d19d add linter 2025-10-28 22:38:13 +01:00
030c1ba495 use matrix 2025-10-28 22:21:06 +01:00
9b6f062c65 CB ci test 2025-10-28 21:33:46 +01:00
54 changed files with 4776 additions and 100 deletions

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version: 2
updates:
- package-ecosystem: "gomod"
directory: "/"
schedule:
interval: "monthly"
- package-ecosystem: "github-actions"
directory: "/"
schedule:
interval: "monthly"

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name: build-and-test
on: [push]
jobs:
build:
strategy:
matrix:
version: [1.24.9]
os: [ubuntu-latest, windows-latest, macos-latest]
name: Build
runs-on: ${{ matrix.os }}
steps:
- name: Set up Go ${{ matrix.os }}
uses: actions/setup-go@v6
with:
go-version: '${{ matrix.version }}'
id: go
- name: checkout
uses: actions/checkout@v5
- name: build
run: go build
test:
strategy:
matrix:
version: [1.24.9]
os: [ubuntu-latest]
name: Test
runs-on: ${{ matrix.os }}
steps:
- name: Set up Go ${{ matrix.os }}
uses: actions/setup-go@v6
with:
go-version: '${{ matrix.version }}'
id: go
- name: checkout
uses: actions/checkout@v5
- name: test
run: go test -cover ./...
golangci:
name: Lintercheck
runs-on: ubuntu-latest
steps:
- uses: actions/setup-go@v6
with:
go-version: 1.24
- uses: actions/checkout@v5
- name: golangci-lint
uses: golangci/golangci-lint-action@v8

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name: build-release
on:
push:
tags:
- "v*.*.*"
jobs:
release:
name: Build Release Assets
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v5
- name: Set up Go
uses: actions/setup-go@v6
with:
go-version: 1.24.9
- name: Build the executables
run: ./mkrel.sh epuppy ${{ github.ref_name}}
- name: List the executables
run: ls -l ./releases
- name: Upload the binaries
uses: svenstaro/upload-release-action@v2
with:
repo_token: ${{ secrets.GITHUB_TOKEN }}
tag: ${{ github.ref_name }}
file: ./releases/*
file_glob: true
- name: Build Changelog
id: github_release
uses: mikepenz/release-changelog-builder-action@v5
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
mode: "PR"
configurationJson: |
{
"template": "#{{CHANGELOG}}\n\n**Full Changelog**: #{{RELEASE_DIFF}}",
"pr_template": "- #{{TITLE}} (##{{NUMBER}}) by #{{AUTHOR}}\n#{{BODY}}",
"empty_template": "- no changes",
"categories": [
{
"title": "## New Features",
"labels": ["add", "feature"]
},
{
"title": "## Bug Fixes",
"labels": ["fix", "bug", "revert"]
},
{
"title": "## Documentation Enhancements",
"labels": ["doc"]
},
{
"title": "## Refactoring Efforts",
"labels": ["refactor"]
},
{
"title": "## Miscellaneus Changes",
"labels": []
}
],
"ignore_labels": [
"duplicate", "good first issue", "help wanted", "invalid", "question", "wontfix"
],
"label_extractor": [
{
"pattern": "(.) (.+)",
"target": "$1"
},
{
"pattern": "(.) (.+)",
"target": "$1",
"on_property": "title"
}
]
}
- name: Create Release
uses: softprops/action-gh-release@v2
with:
body: ${{steps.github_release.outputs.changelog}}

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# vim: set ts=2 sw=2 tw=0 fo=cnqoj
version: 2
before:
hooks:
- go mod tidy
gitea_urls:
api: https://codeberg.org/api/v1
download: https://codeberg.org
builds:
- env:
- CGO_ENABLED=0
goos:
- linux
- windows
- darwin
- freebsd
archives:
- formats: [tar.gz]
# this name template makes the OS and Arch compatible with the results of `uname`.
name_template: >-
{{ .ProjectName }}_
{{- title .Os }}_
{{- if eq .Arch "amd64" }}x86_64
{{- else if eq .Arch "386" }}i386
{{- else }}{{ .Arch }}{{ end }}
{{- if .Arm }}v{{ .Arm }}{{ end }}_{{ .Tag }}
# use zip for windows archives
format_overrides:
- goos: windows
formats: [zip]
- goos: linux
formats: [tar.gz,binary]
files:
- src: "*.md"
strip_parent: true
- src: "docs/*"
strip_parent: true
- src: Makefile.dist
dst: Makefile
wrap_in_directory: true
changelog:
sort: asc
filters:
exclude:
- "^docs:"
- "^test:"
groups:
- title: Improved
regexp: '^.*?(feat|add|new)(\([[:word:]]+\))??!?:.+$'
order: 0
- title: Fixed
regexp: '^.*?(bug|fix)(\([[:word:]]+\))??!?:.+$'
order: 1
- title: Changed
order: 999
release:
header: "# Release Notes"
footer: >-
---
Full Changelog: [{{ .PreviousTag }}...{{ .Tag }}](https://codeberg.org/scip/epuppy/compare/{{ .PreviousTag }}...{{ .Tag }})

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.woodpecker/build.yaml Normal file
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matrix:
platform:
- linux/amd64
goversion:
- 1.24
labels:
platform: ${platform}
steps:
build:
when:
event: [push]
image: golang:${goversion}
commands:
- go get
- go build
- go test
linter:
when:
event: [push]
image: golang:${goversion}
commands:
#- go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.5.0
- curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.5.0
- golangci-lint --version
- golangci-lint run ./...

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.woodpecker/release.yaml Normal file
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# build release
labels:
platform: linux/amd64
steps:
build:
when:
event: [push]
image: golang:1.24
commands:
- go get
- ./mkrel.sh epuppy v1-${CI_COMMIT_SHA:0:8}
#- ./mkrel.sh epuppy ${CI_COMMIT_TAG}
publish:
when:
event: [push]
image: woodpeckerci/plugin-release
settings:
files:
- 'releases/epuppy-*-v1-${CI_COMMIT_SHA:0:8}'
api_key:
from_secret: DEPLOY_TOKEN

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CODE_OF_CONDUCT.md Normal file
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# CODE_OF_CONDUCT.md (compact model)
Purpose: Maintain a collaborative, harassment-free environment focused
on shipping quality software.
Standards: Be respectful; assume good intent; no harassment; no
discrimination; keep critiques technical.
Scope: All project spaces (issues, PRs, forums, events).
Reporting: Email tom AT vondein DOT org. Acknowledge within 72 hours.
Enforcement: Two maintainers review, one recuses on
conflict. Sanctions range from warning to removal. Summary posted (no
personal details).
Escalation: If you believe maintainers handled a report in bad faith,
escalate to our foundation committee (link) for independent review.

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CONTRIBUTING.md Normal file
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## Project Goals
The idea behind this project is to build a small TUI tool to be able
to just take a look into some epub file without the need to leave the
shell. It has to be fast enough to just peak into an ebook and should
be small and easy to understand.
There will be no GUI, no web interface, no public API of some sort, no
builtin interpreter. It is not intended to build a full blown ebook
reader.
The programming language used for this project will always be
[GOLANG](https://go.dev/) with the exception of the documentation
([Perl POD](https://perldoc.perl.org/perlpod)) and the Makefile.
# Contributing
You can contribute to this project in various ways:
## Open an issue
If you encounter a problem or don't understand how the program works
or if you think the documentation is unclear, please don't hesitate to
open an issue.
Please add as much information about the case as possible, such as:
- Your environment (operating system etc)
- program version
- Input data. Please replace sensitive information with mock data!
- Actual program output.
- Expected program output.
- Error message - if any.
Be aware that I am working on this (and some other) project in my
spare time which is scarce. Therefore please don't expect me to
respond to your query within hours or even days. Be patient, but I
WILL respond.
## Pull Requests
Code and documentation help is always much appreciated! Please follow
thes guidelines to successfully contribute:
- Every pull request shall be based on latest `development`
branch. `main` is only used for releases.
- Execute the unit tests before committing: `make test`. There shall
be no errors.
- Strive to be backwards compatible so that users who are already
using the program don't have to change their habits - unless it is
really neccessary.
- Try to add a unit test for your addition.
- Don't ever change existing unit tests!
- Add a meaningful and comprehensive rationale about your contribution:
- Why do you think it might be useful for others?
- What did you actually change or add?
- Is there an open issue which this PR fixes and if so, please link
to that issue.
- [Re-]format your code with `gofmt -s`.
- Avoid unneccesary dependencies, especially for very small functions.
- **If** a new dependency is being added, it must be compatible with
our [license agreement](LICENSE).
- You need to accept that the code or documentation you contribute
will be redistributed under the terms of said license agreement. If
your contribution is considerably large or if you contribute
regularly, then feel free to add your name and if you want your
email address to the *AUTHORS* section of the
manual page.
- Adhere to the above mentioned project goals.
- If you are unsure if your addition or change will be accepted,
better ask before starting coding. Open an issue about your proposal
and let's discuss it! That way we avoid doing unnessesary work on
both sides.
Each pull request will be carefully reviewed and if it is a useful
addition it will be accepted. However, please be prepared that
sometimes a PR will be rejected. The reasons may vary and will be
documented. Perhaps the above guidelines are not matched, or the
addition seems to be not so useful from my perspective, maybe there
are too much changes or there might be changes I don't even
understand.
But whatever happens: your contribution is always welcome!

674
LICENSE Normal file
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@@ -0,0 +1,674 @@
GNU 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.
Preamble
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The licenses for most software and other practical works are designed
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software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
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your programs, too.
When we speak of free software, we are referring to freedom, not
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have the freedom to distribute copies of free software (and charge for
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To protect your rights, we need to prevent others from denying you
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Developers that use the GNU GPL protect your rights with two steps:
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

87
Makefile Normal file
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@@ -0,0 +1,87 @@
# Copyright © 2025 Thomas von Dein
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# no need to modify anything below
tool = epuppy
VERSION = $(shell grep VERSION config.go | head -1 | cut -d '"' -f2)
archs = darwin freebsd linux windows
PREFIX = /usr/local
UID = root
GID = 0
HAVE_POD := $(shell pod2text -h 2>/dev/null)
all: buildlocal
buildlocal:
CGO_LDFLAGS='-static' go build -tags osusergo,netgo -ldflags "-extldflags=-static" -o $(tool)
install: buildlocal
install -d -o $(UID) -g $(GID) $(PREFIX)/bin
install -d -o $(UID) -g $(GID) $(PREFIX)/man/man1
install -o $(UID) -g $(GID) -m 555 $(tool) $(PREFIX)/sbin/
install -o $(UID) -g $(GID) -m 444 $(tool).1 $(PREFIX)/man/man1/
clean:
rm -rf $(tool) coverage.out testdata t/out
test: clean
mkdir -p t/out
go test ./... $(ARGS)
testlint: test lint
lint:
golangci-lint run
lint-full:
golangci-lint run --enable-all --exclude-use-default --disable exhaustivestruct,exhaustruct,depguard,interfacer,deadcode,golint,structcheck,scopelint,varcheck,ifshort,maligned,nosnakecase,godot,funlen,gofumpt,cyclop,noctx,gochecknoglobals,paralleltest
testfuzzy: clean
go test -fuzz ./... $(ARGS)
singletest:
@echo "Call like this: make singletest TEST=TestPrepareColumns ARGS=-v"
go test -run $(TEST) $(ARGS)
cover-report:
go test ./... -cover -coverprofile=coverage.out
go tool cover -html=coverage.out
goupdate:
go get -t -u=patch ./...
buildall:
./mkrel.sh $(tool) $(VERSION)
release:
gh release create v$(VERSION) --generate-notes
show-versions: buildlocal
@echo "### epuppy version:"
@./gfn -V
@echo
@echo "### go module versions:"
@go list -m all
@echo
@echo "### go version used for building:"
@grep -m 1 go go.mod
# lint:
# golangci-lint run -p bugs -p unused

View File

@@ -1,12 +1,10 @@
[![status-badge](https://ci.codeberg.org/api/badges/15473/status.svg?branch=main)](https://ci.codeberg.org/repos/15473) [![status-badge](https://ci.codeberg.org/api/badges/15473/status.svg?branch=woodpecker)](https://ci.codeberg.org/repos/15473)
[![License](https://img.shields.io/badge/license-GPL-blue.svg)](https://codeberg.org/scip/epuppy/raw/branch/master/LICENSE) [![License](https://img.shields.io/badge/license-GPL-blue.svg)](https://github.com/tlinden/epuppy/blob/master/LICENSE)
[![Go Report Card](https://goreportcard.com/badge/codeberg.org/scip/epuppy)](https://goreportcard.com/report/codeberg.org/scip/epuppy) [![Go Report Card](https://goreportcard.com/badge/github.com/tlinden/epuppy)](https://goreportcard.com/report/github.com/tlinden/epuppy)
# epuppy - terminal epub reader # epuppy - terminal epub reader
> [!IMPORTANT]
> This app is now being maintained on [Codeberg](https://codeberg.org/scip/epuppy/).
This is a little TUI epub ebook reader. This is a work in progress and This is a little TUI epub ebook reader. This is a work in progress and
may not work for all EPUB files yet. It uses a modified version of the may not work for all EPUB files yet. It uses a modified version of the
[epub module](https://github.com/kapmahc/epub/), which seems to be [epub module](https://github.com/kapmahc/epub/), which seems to be
@@ -22,21 +20,17 @@ long run.
## Screenshots ## Screenshots
### Viewing an ebook in dark mode - Viewing an ebook in dark mode
![Screenshot](https://github.com/TLINDEN/epuppy/blob/main/.github/assets/darkmode.png)
![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/darkmode.png) - Viewing an ebook in light mode
![Screenshot](https://github.com/TLINDEN/epuppy/blob/main/.github/assets/light.png)
### Viewing an ebook in light mode - You can interactively adjust text width
![Screenshot](https://github.com/TLINDEN/epuppy/blob/main/.github/assets/margin.png)
![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/light.png) - Showing the help
![Screenshot](https://github.com/TLINDEN/epuppy/blob/main/.github/assets/help.png)
### You can interactively adjust text width
![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/margin.png)
### Showing the help
![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/help.png)
## Usage ## Usage
@@ -107,10 +101,10 @@ your platform from the releases page and you're good to go.
You can use [stew](https://github.com/marwanhawari/stew) to install epuppy: You can use [stew](https://github.com/marwanhawari/stew) to install epuppy:
```default ```default
stew install https://codeberg.org/scip/epuppy stew install tlinden/epuppy
``` ```
Or go to the [latest release page](https://codeberg.org/scip/epuppy/releases/) Or go to the [latest release page](https://github.com/TLINDEN/epuppy/releases/latest)
and look for your OS and platform. There are two options to install the binary: and look for your OS and platform. There are two options to install the binary:
Directly download the binary for your platform, Directly download the binary for your platform,
@@ -150,7 +144,7 @@ sudo make install
# Report bugs # Report bugs
[Please open an issue](https://codeberg.org/scip/epuppy/issues). Thanks! [Please open an issue](https://github.com/TLINDEN/epuppy/issues). Thanks!
# License # License

79
cmd/colors.go Normal file
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@@ -0,0 +1,79 @@
/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"github.com/charmbracelet/lipgloss"
)
type ColorSetting struct {
Title string `koanf:"title"`
Chapter string `koanf:"chapter"`
Body string `koanf:"body"`
}
type Colors struct {
Title lipgloss.Style
Chapter lipgloss.Style
Body lipgloss.Style
}
func SetColorconfig(defaultdark, defaultlight ColorSetting, conf *Config) Colors {
var defaults, user ColorSetting
switch conf.Darkmode {
case true:
defaults = defaultdark
user = conf.ColorDark
default:
defaults = defaultlight
user = conf.ColorLight
}
var colors Colors
var fg string
border := lipgloss.RoundedBorder()
border.Right = "├"
styletitle := lipgloss.NewStyle().BorderStyle(border).Padding(0, 1)
if user.Title != "" {
fg = user.Title
} else {
fg = defaults.Title
}
colors.Title = styletitle.Foreground(lipgloss.Color(fg))
if user.Chapter != "" {
fg = user.Chapter
} else {
fg = defaults.Chapter
}
colors.Chapter = lipgloss.NewStyle().Foreground(lipgloss.Color(fg))
if user.Body != "" {
fg = user.Body
} else {
fg = defaults.Body
}
colors.Body = lipgloss.NewStyle().Foreground(lipgloss.Color(fg))
return colors
}

179
cmd/config.go Normal file
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@@ -0,0 +1,179 @@
/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"fmt"
"io"
"log"
"os"
"path/filepath"
"github.com/alecthomas/repr"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/providers/posflag"
"github.com/knadh/koanf/v2"
flag "github.com/spf13/pflag"
)
const (
Version string = `v0.0.7`
Usage string = `This is epuppy, a terminal ui ebook viewer.
Usage: epuppy [options] <epub file>
Options:
-D --dark enable dark mode
-s --store-progress remember reading position
-n --line-numbers add line numbers
-c --config <file> use config <file>
-i --cover-image display cover image
-t --txt dump readable content to STDOUT
-x --xml dump source xml to STDOUT
-N --no-color disable colors (or use $NO_COLOR env var)
-d --debug enable debugging
-h --help show help message
-v --version show program version`
)
type Config struct {
Showversion bool `koanf:"version"` // -v
Debug bool `koanf:"debug"` // -d
StoreProgress bool `koanf:"store-progress"` // -s
Darkmode bool `koanf:"dark"` // -D
LineNumbers bool `koanf:"line-numbers"` // -n
Dump bool `koanf:"txt"` // -t
XML bool `koanf:"xml"` // -x
NoColor bool `koanf:"no-color"` // -n
Config string `koanf:"config"` // -c
ColorDark ColorSetting `koanf:"colordark"` // comes from config file only
ColorLight ColorSetting `koanf:"colorlight"` // comes from config file only
ShowHelp bool `koanf:"help"`
ShowCover bool `koanf:"cover-image"` // -i
Colors Colors // generated from user config file or internal defaults, respects dark mode
Document string
InitialProgress int // lines
}
func InitConfig(output io.Writer) (*Config, error) {
var kloader = koanf.New(".")
// setup custom usage
flagset := flag.NewFlagSet("config", flag.ContinueOnError)
flagset.Usage = func() {
_, err := fmt.Fprintln(output, Usage)
if err != nil {
log.Fatalf("failed to print to output: %s", err)
}
}
// parse commandline flags
flagset.BoolP("version", "v", false, "show program version")
flagset.BoolP("debug", "d", false, "enable debugging")
flagset.BoolP("dark", "D", false, "enable dark mode")
flagset.BoolP("store-progress", "s", false, "store reading progress")
flagset.BoolP("line-numbers", "n", false, "add line numbers")
flagset.BoolP("txt", "t", false, "dump readable content to STDOUT")
flagset.BoolP("xml", "x", false, "dump xml to STDOUT")
flagset.BoolP("no-color", "N", false, "disable colors")
flagset.BoolP("cover-image", "i", false, "show cover image")
flagset.BoolP("help", "h", false, "show help")
flagset.StringP("config", "c", "", "read config from file")
if err := flagset.Parse(os.Args[1:]); err != nil {
return nil, fmt.Errorf("failed to parse program arguments: %w", err)
}
// generate a list of config files to try to load, including the
// one provided via -c, if any
var configfiles []string
configfile, _ := flagset.GetString("config")
home, _ := os.UserHomeDir()
if configfile != "" {
configfiles = []string{configfile}
} else {
configfiles = []string{
"/etc/epuppy.toml", "/usr/local/etc/epuppy.toml", // unix variants
filepath.Join(home, ".config", "epuppy", "config.toml"),
}
}
// Load the config file[s]
for _, cfgfile := range configfiles {
if path, err := os.Stat(cfgfile); !os.IsNotExist(err) {
if !path.IsDir() {
if err := kloader.Load(file.Provider(cfgfile), toml.Parser()); err != nil {
return nil, fmt.Errorf("error loading config file: %w", err)
}
}
} // else: we ignore the file if it doesn't exists
}
// command line setup
if err := kloader.Load(posflag.Provider(flagset, ".", kloader), nil); err != nil {
return nil, fmt.Errorf("error loading flags: %w", err)
}
// fetch values
conf := &Config{}
if err := kloader.Unmarshal("", &conf); err != nil {
return nil, fmt.Errorf("error unmarshalling: %w", err)
}
// arg is the epub file
if len(flagset.Args()) > 0 {
conf.Document = flagset.Args()[0]
} else {
if !conf.Showversion && !conf.ShowHelp {
flagset.Usage()
os.Exit(1)
}
}
if conf.Debug {
repr.Println(conf)
}
// setup color config
conf.Colors = SetColorconfig(
ColorSetting{ // Dark
Title: "#ff4500",
Chapter: "#ff4500",
Body: "#cdb79e",
},
ColorSetting{ // Light
Title: "#ff0000",
Chapter: "#8b0000",
Body: "#696969",
},
conf)
// disable colors if requested by command line
if conf.NoColor {
_ = os.Setenv("NO_COLOR", "1")
}
return conf, nil
}
func (c *Config) GetConfigDir() string {
home, _ := os.UserHomeDir()
return filepath.Join(home, ".config", "epuppy")
}

353
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/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
// pager setup using bubbletea
// file shamlelessly copied from:
// https://github.com/charmbracelet/bubbletea/tree/main/examples/pager
import (
"bytes"
"fmt"
"image"
"os"
"strings"
"github.com/blacktop/go-termimg"
"github.com/charmbracelet/bubbles/help"
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/muesli/reflow/wordwrap"
"golang.org/x/term"
)
var (
titleStyle = func() lipgloss.Style {
b := lipgloss.RoundedBorder()
b.Right = "├"
return lipgloss.NewStyle().BorderStyle(b).Padding(0, 1)
}()
infoStyle = func() lipgloss.Style {
b := lipgloss.RoundedBorder()
b.Left = "┤"
return titleStyle.BorderStyle(b)
}()
viewstyle = lipgloss.NewStyle()
)
const (
MarginStep = 5
MinSize = 40
)
type Meta struct {
lines int
currentline int
initialprogress int
}
type keyMap struct {
Up key.Binding
Down key.Binding
Left key.Binding
Right key.Binding
Help key.Binding
Quit key.Binding
ToggleUI key.Binding
Pad key.Binding
}
func (k keyMap) FullHelp() [][]key.Binding {
return [][]key.Binding{
// every item is one column
{k.Up, k.Down, k.Left, k.Right},
{k.Pad}, // fake key, we use it as spacing between columns
{k.Help, k.Quit, k.ToggleUI},
}
}
func (k keyMap) ShortHelp() []key.Binding {
return []key.Binding{k.Help, k.Quit}
}
var keys = keyMap{
Pad: key.NewBinding(
key.WithKeys("__"),
key.WithHelp(" ", ""),
),
Up: key.NewBinding(
key.WithKeys("up", "k"),
key.WithHelp("↑", "move up"),
),
Down: key.NewBinding(
key.WithKeys("down", "j"),
key.WithHelp("↓", "move down"),
),
Left: key.NewBinding(
key.WithKeys("left"),
key.WithHelp("←", "decrease text width"),
),
Right: key.NewBinding(
key.WithKeys("right"),
key.WithHelp("→", "increase text width"),
),
Help: key.NewBinding(
key.WithKeys("?"),
key.WithHelp("?", "toggle help"),
),
Quit: key.NewBinding(
key.WithKeys("q", "esc", "ctrl+c"),
key.WithHelp("q", "quit"),
),
ToggleUI: key.NewBinding(
key.WithKeys("h"),
key.WithHelp("h", "toggle ui"),
),
}
type Doc struct {
content string
title string
ready bool
viewport viewport.Model
initialwidth int
lastwidth int
margin int
marginMod bool
hideUi bool
meta *Meta
config *Config
Cover *termimg.ImageWidget
keys keyMap
help help.Model
}
func (m Doc) Init() tea.Cmd {
return nil
}
func (m Doc) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var (
cmd tea.Cmd
cmds []tea.Cmd
)
switch msg := msg.(type) {
case tea.KeyMsg:
switch {
case key.Matches(msg, m.keys.Help):
m.help.ShowAll = !m.help.ShowAll
case key.Matches(msg, m.keys.Quit):
return m, tea.Quit
case key.Matches(msg, m.keys.Left):
if m.lastwidth-(m.margin*2) >= MinSize {
m.margin += MarginStep
m.marginMod = true
}
case key.Matches(msg, m.keys.Right):
if m.margin >= MarginStep {
m.margin -= MarginStep
m.marginMod = true
}
case key.Matches(msg, m.keys.ToggleUI):
m.hideUi = !m.hideUi
}
case tea.WindowSizeMsg:
headerHeight := lipgloss.Height(m.headerView())
footerHeight := lipgloss.Height(m.footerView())
verticalMarginHeight := headerHeight + footerHeight
if !m.ready {
// Since this program is using the full size of the viewport we
// need to wait until we've received the window dimensions before
// we can initialize the viewport. The initial dimensions come in
// quickly, though asynchronously, which is why we wait for them
// here.
m.viewport = viewport.New(msg.Width, msg.Height-verticalMarginHeight)
m.viewport.YPosition = headerHeight
m.Rewrap()
m.ready = true
} else {
m.viewport.Width = msg.Width
m.viewport.Height = msg.Height - verticalMarginHeight
}
}
m.Rewrap()
// Handle keyboard and mouse events in the viewport
m.viewport, cmd = m.viewport.Update(msg)
cmds = append(cmds, cmd)
return m, tea.Batch(cmds...)
}
// re-calculate word wrapping, add left margin, recalculate line count
func (m *Doc) Rewrap() {
var content string
// width has changed, either because the terminal size changed or
// because the user added some margin
if m.lastwidth != m.viewport.Width || m.marginMod {
content = wordwrap.String(m.content, m.viewport.Width-(m.margin*2))
m.lastwidth = m.viewport.Width
m.marginMod = false
m.viewport.Style = viewstyle.MarginLeft(m.margin)
}
// bootstrapping, initialize with default width
if !m.ready {
content = wordwrap.String(m.content, m.initialwidth)
}
// wrapping has changed, update viewport and line count
if content != "" {
if m.Cover != nil {
cover, _ := m.Cover.Render()
m.viewport.SetContent(cover + "\n\n" + content)
} else {
m.viewport.SetContent(content)
}
m.meta.lines = len(strings.Split(content, "\n"))
}
// during bootstrapping: jump to last remembered position, if any
if !m.ready {
m.viewport.ScrollDown(m.meta.initialprogress)
}
}
func (m Doc) View() string {
if !m.ready {
return "\n Initializing..."
}
// update current line for later saving
m.meta.currentline = int(float64(m.meta.lines) * m.viewport.ScrollPercent())
var helpView string
if m.help.ShowAll {
helpView = "\n" + m.help.View(m.keys)
}
if m.hideUi {
return fmt.Sprintf("%s\n%s", m.viewport.View(), helpView)
}
return fmt.Sprintf("%s\n%s\n%s%s", m.headerView(), m.viewport.View(), m.footerView(), helpView)
}
func (m Doc) headerView() string {
title := m.config.Colors.Title.Render(m.title)
line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(title)))
return lipgloss.JoinHorizontal(lipgloss.Center, title, line)
}
func (m Doc) footerView() string {
info := infoStyle.Render(fmt.Sprintf("%3.f%%", m.viewport.ScrollPercent()*100))
line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(info)))
return lipgloss.JoinHorizontal(lipgloss.Center, line, info)
}
func max(a, b int) int {
if a > b {
return a
}
return b
}
type Ebook struct {
Config *Config
Title string
Body string
Cover []byte
MediaType string
}
func Pager(book *Ebook) (int, error) {
width := 80
scrollto := 0
if term.IsTerminal(int(os.Stdout.Fd())) {
w, _, err := term.GetSize(0)
if err == nil {
width = w
}
}
if book.Config.StoreProgress {
scrollto = book.Config.InitialProgress
}
if book.Config.LineNumbers {
catn := ""
for idx, line := range strings.Split(book.Body, "\n") {
catn += fmt.Sprintf("%4d: %s\n", idx, line)
}
book.Body = catn
}
meta := Meta{
initialprogress: scrollto,
lines: len(strings.Split(book.Body, "\n")),
}
doc := Doc{
content: book.Body,
title: book.Title,
initialwidth: width,
meta: &meta,
config: book.Config,
keys: keys,
}
if book.MediaType != "" && book.Config.ShowCover {
img, _, err := image.Decode(bytes.NewReader(book.Cover))
if err != nil {
return 0, fmt.Errorf("failed to load cover image: %w", err)
}
doc.Cover = termimg.NewImageWidgetFromImage(img)
doc.Cover.SetSize(width, width).SetProtocol(termimg.Auto)
}
p := tea.NewProgram(
doc,
tea.WithAltScreen(), // use the full size of the terminal in its "alternate screen buffer"
tea.WithMouseCellMotion(), // turn on mouse support so we can track the mouse wheel
)
if _, err := p.Run(); err != nil {
return 0, fmt.Errorf("could not run pager: %w", err)
}
if book.Config.Debug {
fmt.Printf("scrollto: %d, last: %d, diff: %d\n",
scrollto, meta.currentline, scrollto-meta.currentline)
}
return meta.currentline, nil
}

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/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/alecthomas/repr"
"github.com/tlinden/epuppy/pkg/epub"
)
func Prepare(conf *Config) (*Ebook, error) {
switch filepath.Ext(conf.Document) {
case ".epub":
return PrepareEpub(conf)
default:
return PrepareText(conf)
}
}
func PrepareText(conf *Config) (*Ebook, error) {
data, err := os.ReadFile(conf.Document)
if err != nil {
return nil, err
}
return &Ebook{
Config: conf,
Title: conf.Document,
Body: string(data),
}, nil
}
func PrepareEpub(conf *Config) (*Ebook, error) {
book, err := epub.Open(conf.Document, conf.XML)
if err != nil {
return nil, err
}
if conf.Debug {
repr.Println("book.Files()")
repr.Println(book.Files())
repr.Println(book.Ncx)
repr.Println(book.Sections)
repr.Println(book.Opf.Manifest)
}
buf := strings.Builder{}
head := strings.Builder{}
for _, creator := range book.Opf.Metadata.Creator {
head.WriteString(creator.Data)
head.WriteString(" ")
}
head.WriteString("- ")
for _, title := range book.Opf.Metadata.Title {
head.WriteString(title)
head.WriteString(" ")
}
fetchByContent(conf, &buf, book)
return &Ebook{
Config: conf,
Title: head.String(),
Body: buf.String(),
Cover: book.CoverImage,
MediaType: book.CoverMediaType,
}, nil
}
func fetchByContent(conf *Config, buf *strings.Builder, book *epub.Book) bool {
chapter := 1
var gotbody bool
for _, content := range book.Content {
if len(content.Body) > 0 {
if content.Title != "" {
buf.WriteString(conf.Colors.Chapter.
Render(fmt.Sprintf("──────┤ %s ├──────", content.Title)))
}
buf.WriteString("\r\n\r\n")
if conf.Dump {
// avoid excess whitespaces when printing to stdout
buf.WriteString(content.Body)
} else {
buf.WriteString(conf.Colors.Body.Render(content.Body))
}
buf.WriteString("\r\n\r\n\r\n\r\n")
chapter++
gotbody = true
}
}
return gotbody
}

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cmd/root.go Normal file
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/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"fmt"
"io"
"os"
)
func Die(err error) int {
fmt.Fprintln(os.Stderr, "Error: ", err.Error())
return 1
}
func Execute(output io.Writer) int {
conf, err := InitConfig(output)
if err != nil {
return Die(err)
}
if conf.Showversion {
_, err := fmt.Fprintf(output, "This is epuppy version %s\n", Version)
if err != nil {
return Die(fmt.Errorf("failed to print to output: %s", err))
}
return 0
}
if conf.ShowHelp {
_, err := fmt.Fprintln(output, Usage)
if err != nil {
return Die(fmt.Errorf("failed to print to output: %s", err))
}
return 0
}
if conf.StoreProgress {
progress, err := GetProgress(conf)
if err == nil {
conf.InitialProgress = int(progress)
}
}
ebook, err := Prepare(conf)
if err != nil {
return Die(err)
}
if conf.Dump {
fmt.Println(ebook.Body)
return 0
}
if conf.Debug || conf.XML {
return 0
}
progress, err := Pager(ebook)
if err != nil {
return Die(err)
}
if conf.StoreProgress {
if err := StoreProgress(conf, progress); err != nil {
return Die(err)
}
}
return 0
}

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/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"bufio"
"errors"
"fmt"
"log"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
)
var (
nonprintable = regexp.MustCompile(`[^a-zA-Z0-9\-\._]+`)
slugify = regexp.MustCompile(`[/\\]`)
suffix = regexp.MustCompile(`\.[a-z]+$`)
)
func StoreProgress(conf *Config, progress int) error {
cfgpath := conf.GetConfigDir()
if err := Mkdir(cfgpath); err != nil {
return fmt.Errorf("failed to mkdir config path %s: %w", cfgpath, err)
}
filename := filepath.Join(cfgpath, Slug(conf.Document))
fd, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return fmt.Errorf("failed to open state file %s: %w", filename, err)
}
defer func() {
if err := fd.Close(); err != nil {
log.Fatal(err)
}
}()
if err := fd.Truncate(0); err != nil {
return fmt.Errorf("failed to truncate state file %s: %w", filename, err)
}
_, err = fmt.Fprintf(fd, "%d\n", progress)
if err != nil {
return fmt.Errorf("failed to write to state file %s: %w", filename, err)
}
return nil
}
func GetProgress(conf *Config) (int64, error) {
cfgpath := conf.GetConfigDir()
filename := filepath.Join(cfgpath, Slug(conf.Document))
fd, err := os.OpenFile(filename, os.O_RDONLY, 0644)
if err != nil {
return 0, nil // ignore errors and return no progress
}
defer func() {
if err := fd.Close(); err != nil {
log.Fatal(err)
}
}()
scanner := bufio.NewScanner(fd)
var line string
for scanner.Scan() {
line = scanner.Text()
break
}
return strconv.ParseInt(strings.TrimSpace(line), 10, 64)
}
func Mkdir(dir string) error {
if _, err := os.Stat(dir); errors.Is(err, os.ErrNotExist) {
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
return fmt.Errorf("failed to create directory %s: %w", dir, err)
}
}
return nil
}
// FIXME: check https://github.com/gosimple/slug
func Slug(input string) string {
slug := slugify.ReplaceAllString(input, "-")
slug = suffix.ReplaceAllString(slug, "")
return nonprintable.ReplaceAllString(slug, "")
}

118
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package cmd
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestPrepare(t *testing.T) {
var tests = []struct {
file string
body string
}{
{
"t/epub/basic-v3plus2.epub",
`shirt court, an whinny retched a cordage offer groin-murder, picked inner windrow,`,
},
{
"t/epub/childrens-literature.epub",
`The child's natural literature. The world has lost certain secrets as the price of an advancing civilization. It is a commonplace of observation that no one can duplicate the success of Mother Goose, whether she be thought of as the maker of jingles or the teller of tales. The conditions of modern life preclude the generally naïve attitude that produced the folk rhymes, ballads, tales, proverbs, fables, and myths. The folk saw things simply and directly. The complex, analytic, questioning mind is not yet, either in or out of stories. The motives from which people act are to them plain and not mixed. Characters are good or bad. They feel no need of elaborately explaining their joys and sorrows. Such experiences come with the day's work. "To-morrow to fresh woods, and pastures new." The zest of life with them is emphatic. Their humor is fresh, unbounded, sincere; there is no trace of cynicism. In folk literature we do not feel the presence of a "writer" who is mightily concerned about maintaining his reputation for wisdom, originality, or style. Hence the freedom from any note of straining after effect, of artificiality. In the midst of a life limited to fundamental needs, their literature deals with fundamentals. On the whole, it was a literature for entertainment. A more learned upper class may have concerned itself then about "problems" and "purposes," as the whole world does now, but the literature of the folk had no such interests.`,
},
{
"t/epub/cole-voyage-of-life.epub",
`Thomas Cole is regarded as the founder of the Hudson River School, an American art movement that flourished in the mid-19th century and was concerned with the realistic and detailed portrayal of nature but with a strong influence from Romanticism. This group of American landscape painters worked between about 1825 and 1870 and shared a sense of national pride as well as an interest in celebrating the unique natural beauty found in the United States. The wild, untamed nature found in America was viewed as its special character; Europe had ancient ruins, but America had the uncharted wilderness. As Cole's friend William Cullen Bryant sermonized in verse, so Cole sermonized in paint. Both men saw nature as God's work and as a refuge from the ugly materialism of cities. Cole clearly intended the Voyage of Life to be a didactic, moralizing series of paintings using the landscape as an allegory for religious faith.`,
},
{
"t/epub/epub30-spec.epub",
`IDPF Members
Invited Experts/Observers
Version 2.0.1 of this specification was prepared by the International Digital Publishing Forums EPUB Maintenance Working Group under the leadership of:
Active members of the working group at the time of publication of revision 2.0.1 were:
Version 1.0 of this specification was prepared by the International Digital Publishing Forums Unified OEBPS Container Format Working Group under the leadership of:
Active members of the working group at the time of publication of revision 1.0 were:`,
},
{
"t/epub/epub_sample_file_50KB.epub",
`magna aliqua. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna`,
},
{
"t/epub/Fundamental-Accessibility-Tests-Basic-Functionality-v2.0.0.epub",
`Open the Fundamental Accessibility Test book in the reading system.
If the test book is not available in the bookshelf, then open any other book that is available.
If the reading system also supports side loading, then please provide notes about the accessibility of the side loading feature.
Indicate Pass or Fail.`,
},
{
"t/epub/georgia-cfi.epub",
`The Great Valley Region consists of folded sedimentary rocks, extensive erosion having removed the soft layers to form valleys, leaving the hard layers as ridges, both layers running in a N.E.-S.W. direction. In the extreme north-west corner of the state is a small part of the Cumberland Plateau, represented by Lookout and Sand Mts.
On the Blue Ridge escarpment near the N.E. corner of the state is a water-parting separating the waters which find their way respectively N.W. to the Tennessee river, S.W. to the Gulf of Mexico and S.E. to the Atlantic Ocean; indeed, according to B.M. and M.R. Hall (Water Resources of Georgia, p. 2), "there are three springs in north-east Georgia within a stone's throw of each other that send out their waters to Savannah, Ga., to Apalachicola, Fla., and to New Orleans, La." The water-parting between the waters flowing into the`,
},
{
"t/epub/israelsailing.epub",
` במשלוח דואר, מה שלפעמים היה נחמד כי גם חשבונות לתשלום לא היו מגיעים. 'טוב, מי`,
},
{
"t/epub/jlreq-in-japanese.epub",
` 2.5.1 基本版面からはみ出す例 2.5.2 基本版面で設定した行位置の適用 2.5.3 `,
},
{
"t/epub/minimal-v2.epub",
`This is a paragraph.`,
},
{
"t/epub/minimal-v3.epub",
`This is a paragraph.`,
},
{
"t/epub/minimal-v3plus2.epub",
`This is a paragraph.`,
},
{
"t/epub/moby-dick.epub",
`Call me Ishmael. Some years ago—never mind how long precisely—having little or no money in my purse, and nothing particular to interest me on shore, I thought I would sail about a little and see the watery part of the world. It is a way I have of driving off the spleen and regulating the circulation. Whenever I find myself growing grim about the mouth; whenever it is a damp, drizzly November in my soul; whenever I find myself involuntarily pausing before coffin warehouses, and bringing up the rear of every funeral I meet; and especially whenever my hypos get such an upper hand of me, that it requires a strong moral principle to prevent me from deliberately stepping into the street, and methodically knocking peoples hats off—then, I account it high time to get to sea as soon as I can. This is my substitute for pistol and ball. With a philosophical flourish Cato throws himself upon his sword; I quietly take to the ship. There is nothing surprising in this. If they but knew it, almost all men in their degree, some time or other, cherish very nearly the same feelings towards the ocean with me.`,
},
{
"t/epub/sous-le-vent.epub",
`SOUS LE VENT`,
},
{
"t/epub/wasteland-otf.epub",
`Line 20. Cf. Ezekiel 2:1.
23. Cf. Ecclesiastes 12:5.
31. V. Tristan und Isolde, i, verses 5-8.
42. Id. iii, verse 24.`,
},
{
"pkg/epub/test.epub",
`This EPUB file contains 10 hard coded page breaks. Note that these page breaks are different from the reflowed page numbers. If the total number of pages of this book in the reading app is not exactly 10, then you are looking at the reflowed pages. The app may be having a feature to switch between print page and reflowed pages for navigation. Or the print page list may be appearing in the TOC. If print page navigation feature does not exist or does not work then this test should be marked 'Fail'.`,
},
}
for _, tt := range tests {
testname := fmt.Sprintf("prepare/%s", tt.file)
t.Run(testname, func(t *testing.T) {
conf := Config{
Document: "../" + tt.file,
}
ebook, err := Prepare(&conf)
assert.NoError(t, err)
assert.Contains(t, ebook.Body, tt.body, "expected text not found")
})
}
}

16
config.toml Normal file
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# color setting for dark mode
colordark = {
body = "#ffffff",
title = "#7cfc00",
chapter = "#ffff00"
}
# color setting for light mode
colorlight = {
body = "#000000",
title = "#8470ff",
chapter = "#00008b"
}
# always use dark mode
dark = true

65
go.mod Normal file
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module github.com/tlinden/epuppy
go 1.24.0
toolchain go1.24.9
require (
github.com/alecthomas/repr v0.5.2
github.com/antchfx/xmlquery v1.5.0
github.com/knadh/koanf/parsers/toml v0.1.0
github.com/knadh/koanf/providers/file v1.2.0
github.com/knadh/koanf/providers/posflag v1.0.1
github.com/knadh/koanf/v2 v2.3.0
github.com/muesli/reflow v0.3.0
github.com/spf13/pflag v1.0.10
golang.org/x/term v0.36.0
)
require (
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
github.com/charmbracelet/bubbles v0.21.0
github.com/charmbracelet/bubbletea v1.3.10
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
github.com/charmbracelet/lipgloss v1.1.0
github.com/charmbracelet/x/ansi v0.10.1 // indirect
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
github.com/charmbracelet/x/term v0.2.1 // indirect
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-localereader v0.0.1 // indirect
github.com/mattn/go-runewidth v0.0.16 // indirect
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
github.com/muesli/cancelreader v0.2.2 // indirect
github.com/muesli/termenv v0.16.0 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
golang.org/x/sys v0.37.0 // indirect
golang.org/x/text v0.30.0 // indirect
)
require (
github.com/antchfx/xpath v1.3.5 // indirect
github.com/blacktop/go-termimg v0.1.20 // indirect
github.com/charmbracelet/x/mosaic v0.0.0-20250702191427-5bdfc8f2e4ff // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/knadh/koanf/maps v0.1.2 // indirect
github.com/makeworld-the-better-one/dither/v2 v2.4.0 // indirect
github.com/mattn/go-sixel v0.0.5 // indirect
github.com/mitchellh/copystructure v1.2.0 // indirect
github.com/mitchellh/reflectwalk v1.0.2 // indirect
github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
github.com/pelletier/go-toml v1.9.5 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/rogpeppe/go-internal v1.14.1 // indirect
github.com/soniakeys/quant v1.0.0 // indirect
github.com/stretchr/testify v1.11.1 // indirect
golang.org/x/image v0.25.0 // indirect
golang.org/x/net v0.44.0 // indirect
golang.org/x/tools v0.37.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

186
go.sum Normal file
View File

@@ -0,0 +1,186 @@
github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
github.com/antchfx/xmlquery v1.5.0 h1:uAi+mO40ZWfyU6mlUBxRVvL6uBNZ6LMU4M3+mQIBV4c=
github.com/antchfx/xmlquery v1.5.0/go.mod h1:lJfWRXzYMK1ss32zm1GQV3gMIW/HFey3xDZmkP1SuNc=
github.com/antchfx/xpath v1.3.5 h1:PqbXLC3TkfeZyakF5eeh3NTWEbYl4VHNVeufANzDbKQ=
github.com/antchfx/xpath v1.3.5/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
github.com/aymanbagabas/go-udiff v0.2.0 h1:TK0fH4MteXUDspT88n8CKzvK0X9O2xu9yQjWpi6yML8=
github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
github.com/blacktop/go-termimg v0.1.20 h1:+EAUc3c9hwE/fUYaqRV1BSLvAlOuLySgLTEBzxGbYK4=
github.com/blacktop/go-termimg v0.1.20/go.mod h1:nwxrOjfFcBjtS358oIGBLfscSLnCpNdRlMVRxsnZwMU=
github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
github.com/charmbracelet/x/mosaic v0.0.0-20250702191427-5bdfc8f2e4ff h1:OVBKPzoa0k5ZVMoor27BReRZxER1IEDtLHXkRjaHElg=
github.com/charmbracelet/x/mosaic v0.0.0-20250702191427-5bdfc8f2e4ff/go.mod h1:5qLP4S++M5quSc/xbvWWW8vKkgKwOqOT/IVhAas26XI=
github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/knadh/koanf/maps v0.1.2 h1:RBfmAW5CnZT+PJ1CVc1QSJKf4Xu9kxfQgYVQSu8hpbo=
github.com/knadh/koanf/maps v0.1.2/go.mod h1:npD/QZY3V6ghQDdcQzl1W4ICNVTkohC8E73eI2xW4yI=
github.com/knadh/koanf/parsers/toml v0.1.0 h1:S2hLqS4TgWZYj4/7mI5m1CQQcWurxUz6ODgOub/6LCI=
github.com/knadh/koanf/parsers/toml v0.1.0/go.mod h1:yUprhq6eo3GbyVXFFMdbfZSo928ksS+uo0FFqNMnO18=
github.com/knadh/koanf/providers/file v1.2.0 h1:hrUJ6Y9YOA49aNu/RSYzOTFlqzXSCpmYIDXI7OJU6+U=
github.com/knadh/koanf/providers/file v1.2.0/go.mod h1:bp1PM5f83Q+TOUu10J/0ApLBd9uIzg+n9UgthfY+nRA=
github.com/knadh/koanf/providers/posflag v1.0.1 h1:EnMxHSrPkYCFnKgBUl5KBgrjed8gVFrcXDzaW4l/C6Y=
github.com/knadh/koanf/providers/posflag v1.0.1/go.mod h1:3Wn3+YG3f4ljzRyCUgIwH7G0sZ1pMjCOsNBovrbKmAk=
github.com/knadh/koanf/v2 v2.3.0 h1:Qg076dDRFHvqnKG97ZEsi9TAg2/nFTa9hCdcSa1lvlM=
github.com/knadh/koanf/v2 v2.3.0/go.mod h1:gRb40VRAbd4iJMYYD5IxZ6hfuopFcXBpc9bbQpZwo28=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/makeworld-the-better-one/dither/v2 v2.4.0 h1:Az/dYXiTcwcRSe59Hzw4RI1rSnAZns+1msaCXetrMFE=
github.com/makeworld-the-better-one/dither/v2 v2.4.0/go.mod h1:VBtN8DXO7SNtyGmLiGA7IsFeKrBkQPze1/iAeM95arc=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/mattn/go-sixel v0.0.5 h1:55w2FR5ncuhKhXrM5ly1eiqMQfZsnAHIpYNGZX03Cv8=
github.com/mattn/go-sixel v0.0.5/go.mod h1:h2Sss+DiUEHy0pUqcIB6PFXo5Cy8sTQEFr3a9/5ZLNw=
github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
github.com/soniakeys/quant v1.0.0 h1:N1um9ktjbkZVcywBVAAYpZYSHxEfJGzshHCxx/DaI0Y=
github.com/soniakeys/quant v1.0.0/go.mod h1:HI1k023QuVbD4H8i9YdfZP2munIHU4QpjsImz6Y6zds=
github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
golang.org/x/image v0.25.0 h1:Y6uW6rH1y5y/LK1J8BPWZtr6yZ7hrsy6hFrXjgsc2fQ=
golang.org/x/image v0.25.0/go.mod h1:tCAmOEGthTtkalusGp1g3xa2gke8J6c2N565dTyl9Rs=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
golang.org/x/term v0.36.0/go.mod h1:Qu394IJq6V6dCBRgwqshf3mPF85AqzYEzofzRdZkWss=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

31
main.go Normal file
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/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"os"
"github.com/tlinden/epuppy/cmd"
)
func main() {
os.Exit(Main())
}
func Main() int {
return cmd.Execute(os.Stdout)
}

38
main_test.go Normal file
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@@ -0,0 +1,38 @@
/*
Copyright © 2025 Thomas von Dein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"testing"
"github.com/rogpeppe/go-internal/testscript"
)
// see https://bitfieldconsulting.com/golang/test-scripts
func TestMain(m *testing.M) {
testscript.Main(m, map[string]func(){
"epuppy": main,
})
}
func TestEpuppy(t *testing.T) {
testscript.Run(t, testscript.Params{
Dir: "t",
})
}

75
mkrel.sh Executable file
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@@ -0,0 +1,75 @@
#!/bin/bash
# Copyright © 2025 Thomas von Dein
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# get list with: go tool dist list
DIST="darwin/amd64
freebsd/amd64
linux/amd64
netbsd/amd64
openbsd/amd64
windows/amd64
freebsd/arm64
linux/arm64
netbsd/arm64
openbsd/arm64
windows/arm64"
tool="$1"
version="$2"
if test -z "$version"; then
echo "Usage: $0 <tool name> <release version>"
exit 1
fi
rm -rf releases
mkdir -p releases
for D in $DIST; do
os=${D/\/*/}
arch=${D/*\//}
binfile="releases/${tool}-${os}-${arch}-${version}"
if test "$os" = "windows"; then
binfile="${binfile}.exe"
fi
tardir="${tool}-${os}-${arch}-${version}"
tarfile="releases/${tool}-${os}-${arch}-${version}.tar.gz"
set -x
GOOS=${os} GOARCH=${arch} go build -tags osusergo,netgo -ldflags "-extldflags=-static" -o ${binfile}
mkdir -p ${tardir}
cp ${binfile} README.md LICENSE ${tardir}/
echo 'tool = epuppy
PREFIX = /usr/local
UID = root
GID = 0
install:
install -d -o $(UID) -g $(GID) $(PREFIX)/bin
install -d -o $(UID) -g $(GID) $(PREFIX)/man/man1
install -o $(UID) -g $(GID) -m 555 $(tool) $(PREFIX)/sbin/
install -o $(UID) -g $(GID) -m 444 $(tool).1 $(PREFIX)/man/man1/' > ${tardir}/Makefile
tar cpzf ${tarfile} ${tardir}
sha256sum ${binfile} | cut -d' ' -f1 > ${binfile}.sha256
sha256sum ${tarfile} | cut -d' ' -f1 > ${tarfile}.sha256
rm -rf ${tardir}
set +x
done

21
pkg/epub/README.md Normal file
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@@ -0,0 +1,21 @@
# epub module
This is a modified version of the [epub
module](https://github.com/kapmahc/epub/). I fixed a couple of issues
and I added code to retrieve the actual epub content, which the
original module doesn't implement. Since the last update on that
module was 9 years ago (as I write this), it doesn't make sense to
send a PR. And it also makes no sense to me to publish it separately.
# ORIGINAL README
## epub
A pure go implementation of epub file format.
### Documents
- <http://idpf.org/epub>
- <http://www.cnblogs.com/Alex80/p/5127104.html>
- <http://www.cnblogs.com/diligenceday/p/4999315.html>

99
pkg/epub/book.go Normal file
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@@ -0,0 +1,99 @@
package epub
import (
"archive/zip"
"encoding/xml"
"fmt"
"io"
"log"
"path"
)
// a section in the book
type Section struct {
File, Title, MediaType string
}
// Book epub book
type Book struct {
Ncx Ncx `json:"ncx"`
Opf Opf `json:"opf"`
Container Container `json:"-"`
Mimetype string `json:"-"`
Content []Content
fd *zip.ReadCloser
CoverImage []byte
CoverFile string
CoverMediaType string
Sections []Section
dumpxml bool
}
// Open open resource file
func (p *Book) Open(n string) (io.ReadCloser, error) {
return p.open(p.filename(n))
}
// Files list resource files
func (p *Book) Files() []string {
var fns []string
for _, f := range p.fd.File {
fns = append(fns, f.Name)
}
return fns
}
// -----------------------------------------------------------------------------
func (p *Book) filename(n string) string {
return path.Join(path.Dir(p.Container.Rootfile.Path), n)
}
func (p *Book) readXML(n string, v interface{}) error {
fd, err := p.open(n)
if err != nil {
return nil
}
defer func() {
if err := fd.Close(); err != nil {
log.Fatal(err)
}
}()
dec := xml.NewDecoder(fd)
if err := dec.Decode(v); err != nil {
return fmt.Errorf("XML decoder error %w", err)
}
return nil
}
func (p *Book) readBytes(n string) ([]byte, error) {
fd, err := p.open(n)
if err != nil {
return nil, nil
}
defer func() {
if err := fd.Close(); err != nil {
log.Fatal(err)
}
}()
data, err := io.ReadAll(fd)
if err != nil {
return nil, fmt.Errorf("failed to read contents from %s %w", n, err)
}
return data, nil
}
func (p *Book) open(n string) (io.ReadCloser, error) {
for _, f := range p.fd.File {
if f.Name == n {
return f.Open()
}
}
return nil, fmt.Errorf("file %s not exist", n)
}

12
pkg/epub/container.go Normal file
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@@ -0,0 +1,12 @@
package epub
// Container META-INF/container.xml file
type Container struct {
Rootfile Rootfile `xml:"rootfiles>rootfile" json:"rootfile"`
}
// Rootfile root file
type Rootfile struct {
Path string `xml:"full-path,attr" json:"path"`
Type string `xml:"media-type,attr" json:"type"`
}

75
pkg/epub/content.go Normal file
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@@ -0,0 +1,75 @@
package epub
import (
"regexp"
"strings"
"github.com/antchfx/xmlquery"
)
var (
cleanentitles = regexp.MustCompile(`&[a-z]+;`)
empty = regexp.MustCompile(`(?s)^[\s ]*$`)
newlines = regexp.MustCompile(`[\r\n\s]+`)
cleansvg = regexp.MustCompile(`(<svg.+</svg>|<!\[CDATA\[.+\]\]>)`)
cleanmarkup = regexp.MustCompile(`<[^<>]+>`)
)
// Content nav-point content
type Content struct {
Src string `xml:"src,attr" json:"src"`
Empty bool
Body string
Title string
XML []byte
}
// parse XML, look for title and <p>.*</p> stuff
func (c *Content) String(content []byte) error {
doc, err := xmlquery.Parse(
strings.NewReader(
cleansvg.ReplaceAllString(
cleanentitles.ReplaceAllString(string(content), " "), "")))
if err != nil {
return err
}
if c.Title == "" {
// extract the title
for _, item := range xmlquery.Find(doc, "//title") {
c.Title = strings.TrimSpace(item.InnerText())
}
}
// extract all paragraphs, ignore any formatting and re-fill the
// paragraph, that is, we replace all newlines inside with one
// space.
txt := strings.Builder{}
var have_p bool
for _, item := range xmlquery.Find(doc, "//p") {
if !empty.MatchString(item.InnerText()) {
have_p = true
txt.WriteString(newlines.ReplaceAllString(item.InnerText(), " ") + "\n\n")
}
}
if !have_p {
// try <div></div>, which some ebooks use, so get all divs,
// remove markup and paragraphify the parts
for _, item := range xmlquery.Find(doc, "//div") {
if !empty.MatchString(item.InnerText()) {
cleaned := cleanmarkup.ReplaceAllString(item.InnerText(), "")
txt.WriteString(newlines.ReplaceAllString(cleaned, " ") + "\n\n")
}
}
}
c.Body = strings.TrimSpace(txt.String())
c.XML = content
if len(c.Body) == 0 {
c.Empty = true
}
return nil
}

24
pkg/epub/epub_test.go Normal file
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@@ -0,0 +1,24 @@
package epub
import (
"testing"
)
func TestEpub(t *testing.T) {
_, err := open(t, "test.epub")
if err != nil {
t.Fatal(err)
}
}
func open(t *testing.T, f string) (*Book, error) {
bk, err := Open(f, false)
if err != nil {
return nil, err
}
t.Logf("files: %+v", bk.Files())
t.Logf("book: %+v", bk)
return bk, nil
}

17
pkg/epub/ncx.go Normal file
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@@ -0,0 +1,17 @@
package epub
// Ncx OPS/toc.ncx
type Ncx struct {
Points []*NavPoint `xml:"navMap>navPoint" json:"points"`
}
// NavPoint nav point
type NavPoint struct {
Text string `xml:"navLabel>text" json:"text"`
Content Content `xml:"content" json:"content"`
Points []NavPoint `xml:"navPoint" json:"points"`
}
type Title struct {
Content string `xml:"head>title"`
}

205
pkg/epub/open.go Normal file
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@@ -0,0 +1,205 @@
package epub
import (
"archive/zip"
"fmt"
"log"
"path/filepath"
"regexp"
"strings"
)
var (
// to find content
types = regexp.MustCompile(`application/(xml|html|xhtml|htm)`)
// cleanup regexes
deanchor = regexp.MustCompile(`#.*$`)
cleanext = regexp.MustCompile(`^\.`)
)
// Open open a epub file and return the filled Book structure
func Open(fn string, dumpxml bool) (*Book, error) {
bk, err := openFile(fn, dumpxml)
if err != nil {
return bk, err
}
defer func() {
if err := bk.fd.Close(); err != nil {
log.Fatal(err)
}
}()
if err := bk.getManifest(); err != nil {
return bk, err
}
if err := bk.getSections(); err != nil {
return bk, err
}
if err := bk.readSectionContent(); err != nil {
return bk, err
}
return bk, nil
}
// load the epub zip file
func openFile(fn string, dumpxml bool) (*Book, error) {
fd, err := zip.OpenReader(fn)
if err != nil {
return nil, err
}
bk := &Book{fd: fd, dumpxml: dumpxml}
return bk, nil
}
// load the manifest
func (bk *Book) getManifest() error {
mt, err := bk.readBytes("mimetype")
if err != nil {
return err
}
bk.Mimetype = string(mt)
// contains the root path
err = bk.readXML("META-INF/container.xml", &bk.Container)
if err != nil {
return err
}
// contains the OPF data
err = bk.readXML(bk.Container.Rootfile.Path, &bk.Opf)
if err != nil {
return err
}
// look for TOC (might be incomplete, see below!)
for _, mf := range bk.Opf.Manifest {
if mf.ID == bk.Opf.Spine.Toc {
err = bk.readXML(bk.filename(mf.Href), &bk.Ncx)
if err != nil {
return err
}
}
if mf.ID == "cover-image" {
bk.CoverFile = mf.Href
bk.CoverMediaType = mf.MediaType
}
}
return nil
}
// extract the readable sections of the epub
func (bk *Book) getSections() error {
// to store our final content sections
sections := []Section{}
// count the content items in the raw manifest
var manifestcount int
for _, item := range bk.Opf.Manifest {
if types.MatchString(item.MediaType) {
manifestcount++
}
}
// we have ncx points from the TOC, try those
if len(bk.Ncx.Points) > 0 {
for _, block := range bk.Ncx.Points {
sect := Section{
File: "OEBPS/" + block.Content.Src,
Title: block.Text,
}
srcfile := deanchor.ReplaceAllString(block.Content.Src, "")
for _, file := range bk.Files() {
if strings.Contains(file, srcfile) {
sect.File = file
sect.MediaType = "application/" + cleanext.ReplaceAllString(filepath.Ext(file), "")
break
}
}
sections = append(sections, sect)
}
if len(sections) < manifestcount {
// TOC was incomplete, restart from scratch but use the
// OPF Manifest directly
sections = []Section{}
for _, item := range bk.Opf.Manifest {
if types.MatchString(item.MediaType) {
sect := Section{
File: "OEBPS/" + item.Href,
MediaType: item.MediaType,
}
srcfile := deanchor.ReplaceAllString(item.Href, "")
for _, file := range bk.Files() {
if strings.Contains(file, srcfile) {
sect.File = file
break
}
}
sections = append(sections, sect)
}
}
}
} else {
// no TOC, just pull in the files directly
for _, file := range bk.Files() {
sections = append(sections,
Section{
File: file,
MediaType: "application/" + cleanext.ReplaceAllString(filepath.Ext(file), ""),
})
}
}
// final sections to keep
bk.Sections = sections
return nil
}
func (bk *Book) readSectionContent() error {
// now read in the actual xml contents
for _, section := range bk.Sections {
content, err := bk.readBytes(section.File)
if err != nil {
return err
}
if strings.Contains(section.File, bk.CoverFile) {
bk.CoverImage = content
}
ct := Content{Src: section.File, Title: section.Title}
if types.MatchString(section.MediaType) {
if err := ct.String(content); err != nil {
return err
}
}
if bk.dumpxml {
fmt.Println(string(ct.XML))
}
bk.Content = append(bk.Content, ct)
}
return nil
}

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pkg/epub/opf.go Normal file
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package epub
// Opf content.opf
type Opf struct {
Metadata Metadata `xml:"metadata" json:"metadata"`
Manifest []Manifest `xml:"manifest>item" json:"manifest"`
Spine Spine `xml:"spine" json:"spine"`
}
// Metadata metadata
type Metadata struct {
Title []string `xml:"title" json:"title"`
Language []string `xml:"language" json:"language"`
Identifier []Identifier `xml:"identifier" json:"identifier"`
Creator []Author `xml:"creator" json:"creator"`
Subject []string `xml:"subject" json:"subject"`
Description []string `xml:"description" json:"description"`
Publisher []string `xml:"publisher" json:"publisher"`
Contributor []Author `xml:"contributor" json:"contributor"`
Date []Date `xml:"date" json:"date"`
Type []string `xml:"type" json:"type"`
Format []string `xml:"format" json:"format"`
Source []string `xml:"source" json:"source"`
Relation []string `xml:"relation" json:"relation"`
Coverage []string `xml:"coverage" json:"coverage"`
Rights []string `xml:"rights" json:"rights"`
Meta []Metafield `xml:"meta" json:"meta"`
}
// Identifier identifier
type Identifier struct {
Data string `xml:",chardata" json:"data"`
ID string `xml:"id,attr" json:"id"`
Scheme string `xml:"scheme,attr" json:"scheme"`
}
// Author author
type Author struct {
Data string `xml:",chardata" json:"author"`
FileAs string `xml:"file-as,attr" json:"file_as"`
Role string `xml:"role,attr" json:"role"`
}
// Date date
type Date struct {
Data string `xml:",chardata" json:"data"`
Event string `xml:"event,attr" json:"event"`
}
// Metafield metafield
type Metafield struct {
Name string `xml:"name,attr" json:"name"`
Content string `xml:"content,attr" json:"content"`
}
// Manifest manifest
type Manifest struct {
ID string `xml:"id,attr" json:"id"`
Href string `xml:"href,attr" json:"href"`
MediaType string `xml:"media-type,attr" json:"type"`
Fallback string `xml:"media-fallback,attr" json:"fallback"`
Properties string `xml:"properties,attr" json:"properties"`
MediaOverlay string `xml:"media-overlay,attr" json:"overlay"`
}
// Spine spine
type Spine struct {
ID string `xml:"id,attr" json:"id"`
Toc string `xml:"toc,attr" json:"toc"`
PageProgression string `xml:"page-progression-direction,attr" json:"progression"`
Items []SpineItem `xml:"itemref" json:"items"`
}
// SpineItem spine item
type SpineItem struct {
IDref string `xml:"idref,attr" json:"id_ref"`
Linear string `xml:"linear,attr" json:"linear"`
ID string `xml:"id,attr" json:"id"`
Properties string `xml:"properties,attr" json:"properties"`
}

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# no args shall fail
! exec epuppy
# help
exec epuppy -h
stdout 'This is epuppy'

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