From 4f58eddfda22944f94e306e7cf45f6b8b4568451 Mon Sep 17 00:00:00 2001
From: Aki Kareha <aki@kareha.org>
Date: Sun, 14 Dec 2025 08:14:58 +0900
Subject: [PATCH] Add InterWikiLink

---
 himewiki.yaml.example                  |  6 +++++
 internal/config/config.go              |  7 ++++++
 internal/config/public.go              |  4 +++
 internal/format/creole/apply.go        | 34 ++++++++++++++++++++++++++
 internal/format/creole/config.go       |  2 ++
 internal/format/markdown/apply.go      | 34 ++++++++++++++++++++++++++
 internal/format/markdown/config.go     |  2 ++
 internal/format/nomark/apply.go        | 34 ++++++++++++++++++++++++++
 internal/format/nomark/config.go       |  2 ++
 internal/templates/templates/info.html | 11 +++++++++
 10 files changed, 136 insertions(+)

diff --git a/himewiki.yaml.example b/himewiki.yaml.example
index e762ec5..d3d5085 100644
--- a/himewiki.yaml.example
+++ b/himewiki.yaml.example
@@ -55,3 +55,9 @@ gnome:
   recent: 10
 
 prompts-path: "./prompts.yaml"
+
+links:
+  - key: "Code"
+    url: "https://link.example.org/code/"
+  - key: "GitHub"
+    url: "https://link.example.org/github/"
diff --git a/internal/config/config.go b/internal/config/config.go
index f3c9576..f0d2e0e 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -7,6 +7,11 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+type Link struct {
+	Key string `yaml:"key"`
+	URL string `yaml:"url"`
+}
+
 type Config struct {
 	App struct {
 		Mode string `yaml:"mode"`
@@ -71,6 +76,8 @@ type Config struct {
 	PromptsPath string `yaml:"prompts-path"`
 
 	Prompts *Prompts
+
+	Links []Link `yaml:"links"`
 }
 
 func Load(path string) *Config {
diff --git a/internal/config/public.go b/internal/config/public.go
index 478d648..0003785 100644
--- a/internal/config/public.go
+++ b/internal/config/public.go
@@ -38,6 +38,8 @@ type Public struct {
 	}
 
 	Prompts Prompts
+
+	Links []Link
 }
 
 func Publish(cfg *Config) Public {
@@ -104,5 +106,7 @@ func Publish(cfg *Config) Public {
 		},
 
 		Prompts: *cfg.Prompts,
+
+		Links: cfg.Links,
 	}
 }
diff --git a/internal/format/creole/apply.go b/internal/format/creole/apply.go
index 56a7003..9459f6a 100644
--- a/internal/format/creole/apply.go
+++ b/internal/format/creole/apply.go
@@ -441,6 +441,38 @@ func link(s *state) bool {
 	return true
 }
 
+func interLink(s *state) bool {
+	line := s.input[s.index:s.lineEnd]
+	for _, item := range s.config.links {
+		if strings.HasPrefix(line, item.Key + ":") {
+			end := nonURLIndex(line[len(item.Key) + 1:])
+			rawURL := line[:len(item.Key) + 1 + end]
+
+			_, err := url.Parse(rawURL[len(item.Key) + 1:])
+			if err != nil {
+				continue
+			}
+
+			s.text.WriteString(rawURL)
+
+			s.plain.WriteString(rawURL)
+
+			htmlURL := template.HTMLEscapeString(rawURL)
+			htmlPath := template.HTMLEscapeString(rawURL[len(item.Key) + 1:])
+			s.html.WriteString("<a href=\"")
+			s.html.WriteString(item.URL)
+			s.html.WriteString(htmlPath)
+			s.html.WriteString("\" class=\"link\">")
+			s.html.WriteString(htmlURL)
+			s.html.WriteString("</a>")
+
+			s.index += len(rawURL)
+			return true
+		}
+	}
+	return false
+}
+
 func html(s *state) bool {
 	c := s.input[s.index]
 	if c == '&' {
@@ -487,6 +519,8 @@ func handleLine(s *state) {
 			continue
 		} else if em(s) {
 			continue
+		} else if interLink(s) {
+			continue
 		} else if camel(s) {
 			continue
 		} else if wikiLink(s) {
diff --git a/internal/format/creole/config.go b/internal/format/creole/config.go
index ad8510f..dd48355 100644
--- a/internal/format/creole/config.go
+++ b/internal/format/creole/config.go
@@ -11,11 +11,13 @@ type imageConfig struct {
 
 type formatConfig struct {
 	image imageConfig
+	links []config.Link
 }
 
 func ToFormatConfig(cfg *config.Config) formatConfig {
 	fc := formatConfig{}
 	fc.image.domains = cfg.Image.Domains
 	fc.image.extensions = cfg.Image.Extensions
+	fc.links = cfg.Links
 	return fc
 }
diff --git a/internal/format/markdown/apply.go b/internal/format/markdown/apply.go
index 14fd46f..25ae05e 100644
--- a/internal/format/markdown/apply.go
+++ b/internal/format/markdown/apply.go
@@ -515,6 +515,38 @@ func link(s *state) bool {
 	return true
 }
 
+func interLink(s *state) bool {
+	line := s.input[s.index:s.lineEnd]
+	for _, item := range s.config.links {
+		if strings.HasPrefix(line, item.Key + ":") {
+			end := nonURLIndex(line[len(item.Key) + 1:])
+			rawURL := line[:len(item.Key) + 1 + end]
+
+			_, err := url.Parse(rawURL[len(item.Key) + 1:])
+			if err != nil {
+				continue
+			}
+
+			s.text.WriteString(rawURL)
+
+			s.plain.WriteString(rawURL)
+
+			htmlURL := template.HTMLEscapeString(rawURL)
+			htmlPath := template.HTMLEscapeString(rawURL[len(item.Key) + 1:])
+			s.html.WriteString("<a href=\"")
+			s.html.WriteString(item.URL)
+			s.html.WriteString(htmlPath)
+			s.html.WriteString("\" class=\"link\">")
+			s.html.WriteString(htmlURL)
+			s.html.WriteString("</a>")
+
+			s.index += len(rawURL)
+			return true
+		}
+	}
+	return false
+}
+
 func html(s *state) bool {
 	c := s.input[s.index]
 	if c == '&' {
@@ -565,6 +597,8 @@ func handleLine(s *state) {
 			continue
 		} else if altEm(s) {
 			continue
+		} else if interLink(s) {
+			continue
 		} else if camel(s) {
 			continue
 		} else if wikiLink(s) {
diff --git a/internal/format/markdown/config.go b/internal/format/markdown/config.go
index 18082a6..98c5dfd 100644
--- a/internal/format/markdown/config.go
+++ b/internal/format/markdown/config.go
@@ -11,11 +11,13 @@ type imageConfig struct {
 
 type formatConfig struct {
 	image imageConfig
+	links []config.Link
 }
 
 func ToFormatConfig(cfg *config.Config) formatConfig {
 	fc := formatConfig{}
 	fc.image.domains = cfg.Image.Domains
 	fc.image.extensions = cfg.Image.Extensions
+	fc.links = cfg.Links
 	return fc
 }
diff --git a/internal/format/nomark/apply.go b/internal/format/nomark/apply.go
index 4832380..f350143 100644
--- a/internal/format/nomark/apply.go
+++ b/internal/format/nomark/apply.go
@@ -447,6 +447,38 @@ func link(s *state) bool {
 	return true
 }
 
+func interLink(s *state) bool {
+	line := s.input[s.index:s.lineEnd]
+	for _, item := range s.config.links {
+		if strings.HasPrefix(line, item.Key + ":") {
+			end := nonURLIndex(line[len(item.Key) + 1:])
+			rawURL := line[:len(item.Key) + 1 + end]
+
+			_, err := url.Parse(rawURL[len(item.Key) + 1:])
+			if err != nil {
+				continue
+			}
+
+			s.text.WriteString(rawURL)
+
+			s.plain.WriteString(rawURL)
+
+			htmlURL := template.HTMLEscapeString(rawURL)
+			htmlPath := template.HTMLEscapeString(rawURL[len(item.Key) + 1:])
+			s.html.WriteString("<a href=\"")
+			s.html.WriteString(item.URL)
+			s.html.WriteString(htmlPath)
+			s.html.WriteString("\" class=\"link\">")
+			s.html.WriteString(htmlURL)
+			s.html.WriteString("</a>")
+
+			s.index += len(rawURL)
+			return true
+		}
+	}
+	return false
+}
+
 func html(s *state) bool {
 	c := s.input[s.index]
 	if c == '&' {
@@ -493,6 +525,8 @@ func handleLine(s *state) {
 			continue
 		} else if em(s) {
 			continue
+		} else if interLink(s) {
+			continue
 		} else if camel(s) {
 			continue
 		} else if wikiLink(s) {
diff --git a/internal/format/nomark/config.go b/internal/format/nomark/config.go
index e853f75..d21bb04 100644
--- a/internal/format/nomark/config.go
+++ b/internal/format/nomark/config.go
@@ -11,11 +11,13 @@ type imageConfig struct {
 
 type formatConfig struct {
 	image imageConfig
+	links []config.Link
 }
 
 func ToFormatConfig(cfg *config.Config) formatConfig {
 	fc := formatConfig{}
 	fc.image.domains = cfg.Image.Domains
 	fc.image.extensions = cfg.Image.Extensions
+	fc.links = cfg.Links
 	return fc
 }
diff --git a/internal/templates/templates/info.html b/internal/templates/templates/info.html
index 17b30ee..d7c9458 100644
--- a/internal/templates/templates/info.html
+++ b/internal/templates/templates/info.html
@@ -155,6 +155,17 @@ Gnome =
 <pre>{{.Public.Prompts.Gnome}}</pre>
 </p>
 
+<h3>Links</h3>
+{{range .Public.Links}}
+<p>
+{{.Key}} = {{.URL}}
+</p>
+{{else}}
+<p>
+(none)
+</p>
+{{end}}
+
 </main>
 <footer class="menu">
 <br />