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package revel
import (
"bytes"
"regexp"
)
// Module matching template syntax allows for modules to replace this text with the name of the module declared on import
// this allows the reverse router to use correct syntax
// Match _LOCAL_.static or _LOCAL_|
var namespaceReplacement = regexp.MustCompile(`(_LOCAL_)(\.(.*?))?\\`)
// Function to replace the bytes data that may match the _LOCAL_ namespace specifier,
// the replacement will be the current module.Name
func namespaceReplace(fileBytes []byte, module *Module) []byte {
newBytes, lastIndex := &bytes.Buffer{}, 0
matches := namespaceReplacement.FindAllSubmatchIndex(fileBytes, -1)
for _, match := range matches {
// Write up to first bytes
newBytes.Write(fileBytes[lastIndex:match[0]])
// skip ahead index to match[1]
lastIndex = match[3]
if match[4] > 0 {
// This match includes the module name as imported by the module
// We could transform the module name if it is different..
// For now leave it the same
// so _LOCAL_.static| becomes static|
lastIndex++
} else {
// Inject the module name
newBytes.Write([]byte(module.Name))
}
}
// Write remainder of document
newBytes.Write(fileBytes[lastIndex:])
return newBytes.Bytes()
}
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