tweego/storyout.go
2020-02-24 14:28:13 -06:00

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/*
Copyright © 20142020 Thomas Michael Edwards. All rights reserved.
Use of this source code is governed by a Simplified BSD License which
can be found in the LICENSE file.
*/
package main
import (
"bytes"
"fmt"
"log"
"os"
"path/filepath"
"strconv"
"strings"
"time"
)
func (s *story) toTwee(outMode outputMode) []byte {
var data []byte
for _, p := range s.passages {
data = append(data, p.toTwee(outMode)...)
}
return data
}
func (s *story) toTwine2Archive(startName string) []byte {
return append(s.getTwine2DataChunk(startName), '\n')
}
func (s *story) toTwine1Archive(startName string) []byte {
var (
count uint
data []byte
template []byte
)
data, count = s.getTwine1PassageChunk()
// NOTE: In Twine 1.4, the passage data wrapper is part of the story formats
// themselves, so we have to create/forge one here. We use the Twine 1.4 vanilla
// `storeArea` ID, rather than SugarCube's preferred `store-area` ID, for maximum
// compatibility and interoperability.
template = append(template, fmt.Sprintf(`<div id="storeArea" data-size="%d" hidden>`, count)...)
template = append(template, data...)
template = append(template, "</div>\n"...)
return template
}
func (s *story) toTwine2HTML(startName string) []byte {
var template = s.format.source()
// Story instance replacements.
if bytes.Contains(template, []byte("{{STORY_NAME}}")) {
template = bytes.Replace(template, []byte("{{STORY_NAME}}"), []byte(htmlEscapeString(s.name)), -1)
}
if bytes.Contains(template, []byte("{{STORY_DATA}}")) {
template = bytes.Replace(template, []byte("{{STORY_DATA}}"), s.getTwine2DataChunk(startName), 1)
}
return template
}
func (s *story) toTwine1HTML(startName string) []byte {
var (
formatDir = filepath.Dir(s.format.filename)
parentDir = filepath.Dir(formatDir)
template = s.format.source()
count uint
data []byte
component []byte
err error
)
// Get the story data.
data, count = s.getTwine1PassageChunk()
// Story format compiler byline replacement.
if search := []byte(`<a href="http://twinery.org/"`); bytes.Contains(template, search) {
template = bytes.Replace(template, search, []byte(`<a href="http://www.motoslave.net/tweego/"`), 1)
template = bytes.Replace(template, []byte(`>Twine</a>`), []byte(`>Tweego</a>`), 1)
}
// Story format component replacements (SugarCube).
if search := []byte(`"USER_LIB"`); bytes.Contains(template, search) {
component, err = fileReadAllAsUTF8(filepath.Join(formatDir, "userlib.js"))
if err == nil {
template = bytes.Replace(template, search, component, 1)
} else if !os.IsNotExist(err) {
log.Fatalf("error: %s", err.Error())
}
}
// Story format component replacements (Twine 1.4+ vanilla story formats).
if search := []byte(`"ENGINE"`); bytes.Contains(template, search) {
component, err = fileReadAllAsUTF8(filepath.Join(parentDir, "engine.js"))
if err != nil {
log.Fatalf("error: %s", err.Error())
}
template = bytes.Replace(template, search, component, 1)
}
for _, pattern := range []string{`"SUGARCANE"`, `"JONAH"`} {
if search := []byte(pattern); bytes.Contains(template, search) {
component, err = fileReadAllAsUTF8(filepath.Join(formatDir, "code.js"))
if err != nil {
log.Fatalf("error: %s", err.Error())
}
template = bytes.Replace(template, search, component, 1)
}
}
if s.twine1.settings["jquery"] == "on" {
if search := []byte(`"JQUERY"`); bytes.Contains(template, search) {
component, err = fileReadAllAsUTF8(filepath.Join(parentDir, "jquery.js"))
if err != nil {
log.Fatalf("error: %s", err.Error())
}
template = bytes.Replace(template, search, component, 1)
}
}
if s.twine1.settings["modernizr"] == "on" {
if search := []byte(`"MODERNIZR"`); bytes.Contains(template, search) {
component, err = fileReadAllAsUTF8(filepath.Join(parentDir, "modernizr.js"))
if err != nil {
log.Fatalf("error: %s", err.Error())
}
template = bytes.Replace(template, search, component, 1)
}
}
// Story instance replacements.
if startName == defaultStartName {
startName = ""
}
template = bytes.Replace(template, []byte(`"VERSION"`),
[]byte(fmt.Sprintf("Compiled with %s, %s", tweegoName, tweegoVersion.Version())), 1)
template = bytes.Replace(template, []byte(`"TIME"`),
[]byte(fmt.Sprintf("Built on %s", time.Now().Format(time.RFC1123Z))), 1)
template = bytes.Replace(template, []byte(`"START_AT"`),
[]byte(fmt.Sprintf(`%q`, startName)), 1)
template = bytes.Replace(template, []byte(`"STORY_SIZE"`),
[]byte(fmt.Sprintf(`"%d"`, count)), 1)
if bytes.Contains(template, []byte(`"STORY"`)) {
// Twine/Twee ≥1.4 style story format.
template = bytes.Replace(template, []byte(`"STORY"`), data, 1)
} else {
// Twine/Twee <1.4 style story format.
var footer []byte
footer, err = fileReadAllAsUTF8(filepath.Join(formatDir, "footer.html"))
if err != nil {
if os.IsNotExist(err) {
footer = []byte("</div>\n</body>\n</html>\n")
} else {
log.Fatalf("error: %s", err.Error())
}
}
template = append(template, data...)
template = append(template, footer...)
}
// IFID replacement.
if s.ifid != "" {
if bytes.Contains(template, []byte(`<div id="store-area"`)) {
// SugarCube
template = bytes.Replace(template, []byte(`<div id="store-area"`),
[]byte(fmt.Sprintf(`<!-- UUID://%s// --><div id="store-area"`, s.ifid)), 1)
} else {
// Twine/Twee vanilla story formats.
template = bytes.Replace(template, []byte(`<div id="storeArea"`),
[]byte(fmt.Sprintf(`<!-- UUID://%s// --><div id="storeArea"`, s.ifid)), 1)
}
}
return template
}
func (s *story) getTwine2DataChunk(startName string) []byte {
var (
data []byte
startID string
options string
pid uint
)
// Check the IFID status.
if s.ifid == "" {
var (
ifid string
err error
)
if s.legacyIFID != "" {
/*
LEGACY
*/
log.Print(`error: Story IFID not found; reusing "ifid" entry from the "StorySettings" special passage.`)
log.Println()
ifid = s.legacyIFID
/*
END LEGACY
*/
} else {
log.Print("error: Story IFID not found; generating one for your project.")
log.Println()
ifid, err = newIFID()
if err != nil {
log.Fatalf("error: IFID generation failed; %s", err.Error())
}
}
ifid = fmt.Sprintf(`"ifid": %q`, ifid)
base := "Copy the following "
if s.has("StoryData") {
ifid += ","
log.Printf("%sline into the \"StoryData\" special passage's JSON block (at the top):\n\n\t%s\n\n", base, ifid)
log.Printf("E.g., it should look something like the following:\n\n:: StoryData\n%s\n\n",
bytes.Replace(s.marshalStoryData(), []byte("{"), []byte("{\n\t"+ifid), 1))
} else {
log.Printf("%s\"StoryData\" special passage into one of your project's twee source files:\n\n:: StoryData\n{\n\t%s\n}", base, ifid)
}
log.Fatalln()
}
// Gather all script and stylesheet passages.
var (
scripts = make([]*passage, 0, 4)
stylesheets = make([]*passage, 0, 4)
)
for _, p := range s.passages {
if p.tagsHas("Twine.private") {
continue
}
if p.tagsHas("script") {
scripts = append(scripts, p)
} else if p.tagsHas("stylesheet") {
stylesheets = append(stylesheets, p)
}
}
// Prepare the style element.
/*
<style role="stylesheet" id="twine-user-stylesheet" type="text/twine-css">…</style>
*/
data = append(data, `<style role="stylesheet" id="twine-user-stylesheet" type="text/twine-css">`...)
if len(stylesheets) == 1 {
data = append(data, stylesheets[0].text...)
} else if len(stylesheets) > 1 {
pid = 1
for _, p := range stylesheets {
if pid > 1 && data[len(data)-1] != '\n' {
data = append(data, '\n')
}
data = append(data, fmt.Sprintf("/* twine-user-stylesheet #%d: %q */\n", pid, p.name)...)
data = append(data, p.text...)
pid++
}
}
data = append(data, `</style>`...)
// Prepare the script element.
/*
<script role="script" id="twine-user-script" type="text/twine-javascript">…</script>
*/
data = append(data, `<script role="script" id="twine-user-script" type="text/twine-javascript">`...)
if len(scripts) == 1 {
data = append(data, scripts[0].text...)
} else if len(scripts) > 1 {
pid = 1
for _, p := range scripts {
if pid > 1 && data[len(data)-1] != '\n' {
data = append(data, '\n')
}
data = append(data, fmt.Sprintf("/* twine-user-script #%d: %q */\n", pid, p.name)...)
data = append(data, p.text...)
pid++
}
}
data = append(data, `</script>`...)
// Prepare tw-tag elements.
/*
<tw-tag name="…" color="…"></tw-tag>
*/
if s.twine2.tagColors != nil {
for tag, color := range s.twine2.tagColors {
data = append(data, fmt.Sprintf(`<tw-tag name=%q color=%q></tw-tag>`, tag, color)...)
}
}
// Prepare normal passage elements.
pid = 1
for _, p := range s.passages {
if p.name == "StoryTitle" || p.name == "StoryData" || p.tagsHasAny("script", "stylesheet", "Twine.private") {
continue
}
/*
LEGACY
*/
// TODO: Should we actually drop an empty StorySettings passage?
if p.name == "StorySettings" && len(s.twine1.settings) == 0 {
continue
}
/*
END LEGACY
*/
data = append(data, p.toPassagedata(pid)...)
if startName == p.name {
startID = fmt.Sprint(pid)
}
pid++
}
// Add the <tw-storydata> wrapper.
/*
<tw-storydata name="…" startnode="…" creator="…" creator-version="…" ifid="…"
zoom="…" format="…" format-version="…" options="…" hidden>…</tw-storydata>
*/
if optCount := len(s.twine2.options); optCount > 0 {
opts := make([]string, 0, optCount)
for opt, val := range s.twine2.options {
if val {
opts = append(opts, opt)
}
}
options = strings.Join(opts, " ")
}
data = append([]byte(fmt.Sprintf(
`<!-- UUID://%s// -->`+
`<tw-storydata name=%q startnode=%q creator=%q creator-version=%q ifid=%q zoom=%q format=%q format-version=%q options=%q hidden>`,
s.ifid,
attrEscapeString(s.name),
startID,
attrEscapeString(strings.Title(tweegoName)),
attrEscapeString(tweegoVersion.Version()),
attrEscapeString(s.ifid),
attrEscapeString(strconv.FormatFloat(s.twine2.zoom, 'f', -1, 32)),
attrEscapeString(s.format.name),
attrEscapeString(s.format.version),
attrEscapeString(options),
)), data...)
data = append(data, `</tw-storydata>`...)
return data
}
func (s *story) getTwine1PassageChunk() ([]byte, uint) {
var (
data []byte
count uint
)
for _, p := range s.passages {
if p.tagsHas("Twine.private") {
continue
}
count++
data = append(data, p.toTiddler(count)...)
}
return data, count
}