73 lines
2.3 KiB
Go
73 lines
2.3 KiB
Go
package ace
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import (
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"fmt"
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"io"
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)
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// Helper method names
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const (
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helperMethodNameConditionalComment = "conditionalComment"
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helperMethodNameContent = "content"
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helperMethodNameCSS = "css"
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helperMethodNameDoctype = "doctype"
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helperMethodNameYield = "yield"
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helperMethodNameInclude = "include"
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helperMethodNameJavascript = "javascript"
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)
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// element is an interface for storing an element.
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type element interface {
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io.WriterTo
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AppendChild(child element)
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ContainPlainText() bool
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Base() *elementBase
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CanHaveChildren() bool
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InsertBr() bool
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SetLastChild(lastChild bool)
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}
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// newElement creates and returns an element.
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func newElement(ln *line, rslt *result, src *source, parent element, opts *Options) (element, error) {
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var e element
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var err error
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switch {
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case parent != nil && parent.ContainPlainText():
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e = newPlainTextInner(ln, rslt, src, parent, parent.InsertBr(), opts)
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case ln.isEmpty():
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e = newEmptyElement(ln, rslt, src, parent, opts)
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case ln.isComment():
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e = newComment(ln, rslt, src, parent, opts)
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case ln.isHTMLComment():
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e = newHTMLComment(ln, rslt, src, parent, opts)
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case ln.isHelperMethod():
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switch {
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case ln.isHelperMethodOf(helperMethodNameConditionalComment):
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e, err = newHelperMethodConditionalComment(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameContent):
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e, err = newHelperMethodContent(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameCSS):
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e = newHelperMethodCSS(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameDoctype):
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e, err = newHelperMethodDoctype(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameInclude):
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e, err = newHelperMethodInclude(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameJavascript):
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e = newHelperMethodJavascript(ln, rslt, src, parent, opts)
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case ln.isHelperMethodOf(helperMethodNameYield):
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e, err = newHelperMethodYield(ln, rslt, src, parent, opts)
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default:
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err = fmt.Errorf("the helper method name is invalid [file: %s][line: %d]", ln.fileName(), ln.no)
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}
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case ln.isPlainText():
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e = newPlainText(ln, rslt, src, parent, opts)
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case ln.isAction():
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e = newAction(ln, rslt, src, parent, opts)
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default:
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e, err = newHTMLTag(ln, rslt, src, parent, opts)
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}
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return e, err
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}
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