ml
55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package media
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import (
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"github.com/inkyblackness/hacked/ss1/content/text"
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"github.com/inkyblackness/hacked/ss1/resource"
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"github.com/inkyblackness/hacked/ss1/world/ids"
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)
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// TextBlockGetter provides raw data of blocks.
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type TextBlockGetter interface {
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ModifiedBlock(lang resource.Language, id resource.ID, index int) []byte
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ModifiedBlocks(lang resource.Language, id resource.ID) [][]byte
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}
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// TextViewerService provides read-only access to text resources.
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type TextViewerService struct {
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lineCache *text.Cache
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pageCache *text.Cache
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getter TextBlockGetter
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}
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// NewTextViewerService returns a new instance.
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func NewTextViewerService(lineCache, pageCache *text.Cache, getter TextBlockGetter) TextViewerService {
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return TextViewerService{
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lineCache: lineCache,
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pageCache: pageCache,
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getter: getter,
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}
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}
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// Text returns the text data associated with the given key.
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func (service TextViewerService) Text(key resource.Key) string {
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var cache *text.Cache
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resourceInfo, existing := ids.Info(key.ID)
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if !existing || resourceInfo.List {
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cache = service.lineCache
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} else {
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cache = service.pageCache
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}
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currentValue, cacheErr := cache.Text(key)
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if cacheErr != nil {
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currentValue = ""
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}
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return currentValue
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}
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// Modified returns true if the identified text resource is marked as modified.
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func (service TextViewerService) Modified(key resource.Key) bool {
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info, _ := ids.Info(key.ID)
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if info.List {
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return len(service.getter.ModifiedBlock(key.Lang, key.ID, key.Index)) > 0
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}
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return len(service.getter.ModifiedBlocks(key.Lang, key.ID.Plus(key.Index))) > 0
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}
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