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package pongo2
import (
"io/ioutil"
)
type tagSSINode struct {
filename string
content string
template *Template
}
func (node *tagSSINode) Execute(ctx *ExecutionContext, writer TemplateWriter) *Error {
if node.template != nil {
// Execute the template within the current context
includeCtx := make(Context)
includeCtx.Update(ctx.Public)
includeCtx.Update(ctx.Private)
err := node.template.execute(includeCtx, writer)
if err != nil {
return err.(*Error)
}
} else {
// Just print out the content
writer.WriteString(node.content)
}
return nil
}
func tagSSIParser(doc *Parser, start *Token, arguments *Parser) (INodeTag, *Error) {
SSINode := &tagSSINode{}
if fileToken := arguments.MatchType(TokenString); fileToken != nil {
SSINode.filename = fileToken.Val
if arguments.Match(TokenIdentifier, "parsed") != nil {
// parsed
temporaryTpl, err := doc.template.set.FromFile(doc.template.set.resolveFilename(doc.template, fileToken.Val))
if err != nil {
return nil, err.(*Error).updateFromTokenIfNeeded(doc.template, fileToken)
}
SSINode.template = temporaryTpl
} else {
// plaintext
buf, err := ioutil.ReadFile(doc.template.set.resolveFilename(doc.template, fileToken.Val))
if err != nil {
return nil, (&Error{
Sender: "tag:ssi",
OrigError: err,
}).updateFromTokenIfNeeded(doc.template, fileToken)
}
SSINode.content = string(buf)
}
} else {
return nil, arguments.Error("First argument must be a string.", nil)
}
if arguments.Remaining() > 0 {
return nil, arguments.Error("Malformed SSI-tag argument.", nil)
}
return SSINode, nil
}
func init() {
RegisterTag("ssi", tagSSIParser)
}
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