✨ added support for language, topic, and preset acquisition and detection functions

examples/09-supported-options/main.go

@@ -0,0 +1,218 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/landaiqing/freezelib"
+)
+
+func main() {
+	fmt.Println("📋 FreezeLib Supported Options Examples")
+	fmt.Println("=======================================")
+
+	// Create output directory
+	err := os.MkdirAll("output", 0755)
+	if err != nil {
+		fmt.Printf("❌ Error creating output directory: %v\n", err)
+		return
+	}
+
+	// Run examples
+	languageListExample()
+	themeListExample()
+	presetListExample()
+	generateExamples()
+}
+
+// Language list example
+func languageListExample() {
+	fmt.Println("\n💻 Supported Languages")
+	fmt.Println("---------------------")
+
+	freeze := freezelib.New()
+
+	// Get all supported languages
+	allLanguages := freeze.GetSupportedLanguages()
+	fmt.Printf("📈 Total supported languages: %d\n", len(allLanguages))
+
+	// Show first 20 languages as examples
+	fmt.Println("\n📋 First 20 supported languages:")
+	for i, lang := range allLanguages[:min(20, len(allLanguages))] {
+		fmt.Printf("   %2d. %s\n", i+1, lang)
+	}
+
+	// Test language support
+	testLanguages := []string{"go", "python", "javascript", "rust", "unknown-lang"}
+	fmt.Println("\n🧪 Testing language support:")
+	for _, lang := range testLanguages {
+		supported := freeze.IsLanguageSupported(lang)
+		status := "❌"
+		if supported {
+			status = "✅"
+		}
+		fmt.Printf("   %s %s\n", status, lang)
+	}
+}
+
+// Theme list example
+func themeListExample() {
+	fmt.Println("\n🎨 Supported Themes")
+	fmt.Println("------------------")
+
+	freeze := freezelib.New()
+
+	// Get all supported themes
+	allThemes := freeze.GetSupportedThemes()
+	fmt.Printf("📈 Total supported themes: %d\n", len(allThemes))
+
+	// Show first 20 themes as examples
+	fmt.Println("\n📋 First 20 supported themes:")
+	for i, theme := range allThemes[:min(20, len(allThemes))] {
+		fmt.Printf("   %2d. %s\n", i+1, theme)
+	}
+
+	// Test theme support
+	testThemes := []string{"github", "dracula", "monokai", "unknown-theme"}
+	fmt.Println("\n🧪 Testing theme support:")
+	for _, theme := range testThemes {
+		supported := freeze.IsThemeSupported(theme)
+		status := "❌"
+		if supported {
+			status = "✅"
+		}
+		fmt.Printf("   %s %s\n", status, theme)
+	}
+}
+
+// Preset list example
+func presetListExample() {
+	fmt.Println("\n⚙️ Available Presets")
+	fmt.Println("-------------------")
+
+	freeze := freezelib.New()
+
+	// Get all available presets
+	presets := freeze.GetAvailablePresets()
+	fmt.Printf("📈 Total available presets: %d\n", len(presets))
+
+	// Show all presets
+	fmt.Println("\n📋 Available presets:")
+	for i, preset := range presets {
+		fmt.Printf("   %2d. %s\n", i+1, preset)
+	}
+
+	// Test preset validity
+	testPresets := []string{"base", "full", "terminal", "dark", "light", "unknown-preset"}
+	fmt.Println("\n🧪 Testing preset validity:")
+	for _, preset := range testPresets {
+		valid := freezelib.IsValidPreset(preset)
+		status := "❌"
+		if valid {
+			status = "✅"
+		}
+		fmt.Printf("   %s %s\n", status, preset)
+	}
+}
+
+// Generate examples with different options
+func generateExamples() {
+	fmt.Println("\n🎨 Generating Examples")
+	fmt.Println("---------------------")
+
+	freeze := freezelib.New()
+
+	// Sample code for examples
+	sampleCode := `package main
+
+import "fmt"
+
+func main() {
+    fmt.Println("Hello, World!")
+
+    // This is a comment
+    for i := 0; i < 10; i++ {
+        fmt.Printf("Count: %d\n", i)
+    }
+}`
+
+	// Generate examples with different themes
+	themes := []string{"github", "github-dark", "dracula", "monokai"}
+	for _, theme := range themes {
+		if !freeze.IsThemeSupported(theme) {
+			continue
+		}
+
+		fmt.Printf("🎨 Generating example with %s theme...\n", theme)
+
+		svgData, err := freeze.WithTheme(theme).
+			WithFont("JetBrains Mono", 14).
+			WithWindow(true).
+			WithLineNumbers(true).
+			WithShadow(15, 0, 8).
+			WithPadding(20).
+			GenerateFromCode(sampleCode, "go")
+
+		if err != nil {
+			fmt.Printf("❌ Error with theme %s: %v\n", theme, err)
+			continue
+		}
+
+		filename := fmt.Sprintf("output/theme_%s.svg", theme)
+		err = os.WriteFile(filename, svgData, 0644)
+		if err != nil {
+			fmt.Printf("❌ Error saving %s: %v\n", filename, err)
+			continue
+		}
+
+		fmt.Printf("✅ Generated: %s\n", filename)
+	}
+
+	// Generate examples with different presets
+	presets := []string{"base", "full", "terminal", "dark", "light"}
+	bashCode := `#!/bin/bash
+
+echo "Starting deployment..."
+
+if [ ! -d "dist" ]; then
+    echo "Building project..."
+    npm run build
+fi
+
+echo "Deploying to server..."
+rsync -av dist/ user@server:/var/www/html/
+
+echo "Deployment complete!"`
+
+	for _, preset := range presets {
+		if !freezelib.IsValidPreset(preset) {
+			continue
+		}
+
+		fmt.Printf("⚙️ Generating example with %s preset...\n", preset)
+
+		presetFreeze := freezelib.NewWithPreset(preset)
+		svgData, err := presetFreeze.GenerateFromCode(bashCode, "bash")
+		if err != nil {
+			fmt.Printf("❌ Error with preset %s: %v\n", preset, err)
+			continue
+		}
+
+		filename := fmt.Sprintf("output/preset_%s.svg", preset)
+		err = os.WriteFile(filename, svgData, 0644)
+		if err != nil {
+			fmt.Printf("❌ Error saving %s: %v\n", filename, err)
+			continue
+		}
+
+		fmt.Printf("✅ Generated: %s\n", filename)
+	}
+}
+
+// Helper function
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}