54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package search
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import ()
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const DEFAULT_HTML_HIGHLIGHT_BEFORE = "<b>"
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const DEFAULT_HTML_HIGHLIGHT_AFTER = "</b>"
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type HTMLFragmentFormatter struct {
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before string
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after string
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}
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func NewHTMLFragmentFormatter() *HTMLFragmentFormatter {
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return &HTMLFragmentFormatter{
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before: DEFAULT_HTML_HIGHLIGHT_BEFORE,
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after: DEFAULT_HTML_HIGHLIGHT_AFTER,
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}
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}
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func NewHTMLFragmentFormatterCustom(before, after string) *HTMLFragmentFormatter {
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return &HTMLFragmentFormatter{
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before: before,
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after: after,
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}
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}
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func (a *HTMLFragmentFormatter) Format(f *Fragment, tlm TermLocationMap) string {
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orderedTermLocations := OrderTermLocations(tlm)
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rv := ""
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curr := f.start
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for _, termLocation := range orderedTermLocations {
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if termLocation.Start < curr {
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continue
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}
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if termLocation.End > f.end {
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break
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}
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// add the stuff before this location
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rv += string(f.orig[curr:termLocation.Start])
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// add the color
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rv += a.before
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// add the term itself
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rv += string(f.orig[termLocation.Start:termLocation.End])
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// reset the color
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rv += a.after
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// update current
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curr = termLocation.End
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}
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// add any remaining text after the last token
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rv += string(f.orig[curr:f.end])
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return rv
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}
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