ADD: Add JSON output (-j, --json).

passageout.go

@@ -0,0 +1,110 @@
+/*
+	Copyright © 2014–2021 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 (
+	// standard packages
+	"fmt"
+	"strings"
+)
+
+func (p *passage) toJSON() *passageJSON {
+	return &passageJSON{
+		Name: p.name,
+		Tags: p.tags,
+		Text: p.text,
+	}
+}
+
+func (p *passage) toTwee(outMode outputMode) string {
+	var output string
+	if outMode == outModeTwee3 {
+		output = ":: " + tweeEscapeString(p.name)
+		if len(p.tags) > 0 {
+			output += " [" + tweeEscapeString(strings.Join(p.tags, " ")) + "]"
+		}
+		if p.hasAnyMetadata() {
+			output += " " + string(p.marshalMetadata())
+		}
+	} else {
+		output = ":: " + p.name
+		if len(p.tags) > 0 {
+			output += " [" + strings.Join(p.tags, " ") + "]"
+		}
+	}
+	output += "\n"
+	if len(p.text) > 0 {
+		output += p.text + "\n"
+	}
+	output += "\n\n"
+	return output
+}
+
+func (p *passage) toPassagedata(pid uint) string {
+	var (
+		position string
+		size     string
+	)
+	if p.hasMetadataPosition() {
+		position = p.metadata.position
+	} else {
+		// No position metadata, so generate something sensible on the fly.
+		x := pid % 10
+		y := pid / 10
+		if x == 0 {
+			x = 10
+		} else {
+			y++
+		}
+		position = fmt.Sprintf("%d,%d", x*125-25, y*125-25)
+	}
+	if p.hasMetadataSize() {
+		size = p.metadata.size
+	} else {
+		// No size metadata, so default to the normal size.
+		size = "100,100"
+	}
+
+	/*
+		<tw-passagedata pid="…" name="…" tags="…" position="…" size="…">…</tw-passagedata>
+	*/
+	return fmt.Sprintf(`<tw-passagedata pid="%d" name=%q tags=%q position=%q size=%q>%s</tw-passagedata>`,
+		pid,
+		attrEscapeString(p.name),
+		attrEscapeString(strings.Join(p.tags, " ")),
+		attrEscapeString(position),
+		attrEscapeString(size),
+		htmlEscapeString(p.text),
+	)
+}
+
+func (p *passage) toTiddler(pid uint) string {
+	var position string
+	if p.hasMetadataPosition() {
+		position = p.metadata.position
+	} else {
+		// No position metadata, so generate something sensible on the fly.
+		x := pid % 10
+		y := pid / 10
+		if x == 0 {
+			x = 10
+		} else {
+			y++
+		}
+		position = fmt.Sprintf("%d,%d", x*140-130, y*140-130)
+	}
+
+	/*
+		<div tiddler="…" tags="…" created="…" modifier="…" twine-position="…">…</div>
+	*/
+	return fmt.Sprintf(`<div tiddler=%q tags=%q twine-position=%q>%s</div>`,
+		attrEscapeString(p.name),
+		attrEscapeString(strings.Join(p.tags, " ")),
+		attrEscapeString(position),
+		tiddlerEscapeString(p.text),
+	)
+}