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runtime(ssa): improve syntax file performance (#14654)
fixes: #14653 Signed-off-by: ObserverOfTime <chronobserver@disroot.org> Signed-off-by: Christian Brabandt <cb@256bit.org>
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@ -2,7 +2,7 @@
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" Language: SubStation Alpha
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" Maintainer: ObserverOfTime <chronobserver@disroot.org>
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" Filenames: *.ass,*.ssa
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" Last Change: 2022 Oct 10
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" Last Change: 2024 Apr 28
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if exists('b:current_syntax')
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finish
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@ -20,16 +20,20 @@ syn match ssaSection /^\[[a-zA-Z0-9+ ]\+\]$/
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syn match ssaHeader /^[^;!:]\+:/ skipwhite nextgroup=ssaField
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" Fields
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syn match ssaField /[^,]*/ contained skipwhite nextgroup=ssaDelimiter
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syn match ssaField /[^,]*\(,\|$\)/ contained skipwhite contains=ssaDelimiter,ssaTime nextgroup=ssaField
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" Time
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syn match ssaTime /\d:\d\d:\d\d\.\d\d/ contained skipwhite nextgroup=ssaDelimiter
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syn match ssaTime /\d:\d\d:\d\d\.\d\d/ contained
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" Delimiter
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syn match ssaDelimiter /,/ contained skipwhite nextgroup=ssaField,ssaTime,ssaText
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syn match ssaDelimiter /,/ contained
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" Dialogue
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syn match ssaDialogue /^Dialogue:/ transparent skipwhite nextgroup=ssaDialogueFields
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syn match ssaDialogueFields /\([^,]*,\)\{9\}/ contained transparent skipwhite contains=ssaField,ssaDelimiter nextgroup=ssaText
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" Text
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syn match ssaText /\(^Dialogue:\(.*,\)\{9}\)\@<=.*$/ contained contains=@ssaTags,@Spell
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syn match ssaText /.*$/ contained contains=@ssaTags,@Spell
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syn cluster ssaTags contains=ssaOverrideTag,ssaEscapeChar,ssaTextComment,ssaItalics,ssaBold,ssaUnderline,ssaStrikeout
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" Override tags
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@ -60,4 +64,4 @@ hi ssaItalics cterm=italic gui=italic
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hi ssaStrikeout cterm=strikethrough gui=strikethrough
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hi ssaUnderline cterm=underline gui=underline
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let b:current_syntax = 'srt'
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let b:current_syntax = 'ssa'
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