71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package ace
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import (
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"html/template"
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"sync"
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)
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var cache = make(map[string]template.Template)
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var cacheMutex = new(sync.RWMutex)
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// Load loads and returns an HTML template. Each Ace templates are parsed only once
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// and cached if the "DynamicReload" option are not set.
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func Load(basePath, innerPath string, opts *Options) (*template.Template, error) {
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// Initialize the options.
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opts = InitializeOptions(opts)
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name := basePath + colon + innerPath
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if !opts.DynamicReload {
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if tpl, ok := getCache(name); ok {
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return &tpl, nil
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}
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}
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// Read files.
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src, err := readFiles(basePath, innerPath, opts)
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if err != nil {
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return nil, err
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}
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// Parse the source.
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rslt, err := ParseSource(src, opts)
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if err != nil {
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return nil, err
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}
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// Compile the parsed result.
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tpl, err := CompileResult(name, rslt, opts)
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if err != nil {
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return nil, err
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}
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if !opts.DynamicReload {
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setCache(name, *tpl)
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}
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return tpl, nil
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}
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// getCache returns the cached template.
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func getCache(name string) (template.Template, bool) {
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cacheMutex.RLock()
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tpl, ok := cache[name]
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cacheMutex.RUnlock()
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return tpl, ok
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}
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// setCache sets the template to the cache.
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func setCache(name string, tpl template.Template) {
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cacheMutex.Lock()
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cache[name] = tpl
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cacheMutex.Unlock()
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}
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// FlushCache clears all cached templates.
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func FlushCache() {
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cacheMutex.Lock()
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cache = make(map[string]template.Template)
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cacheMutex.Unlock()
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}
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