Parse SSA/ASS subtitle format
npm install ass-parser
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Parse SSA/ASS subtitle format.
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For the ASS subtitle below (from the Wikipedia page)
``
[Script Info]
; This is a Sub Station Alpha v4 script.
; For Sub Station Alpha info and downloads,
; go to http://www.eswat.demon.co.uk/
Title: Neon Genesis Evangelion - Episode 26 (neutral Spanish)
Original Script: RoRo
Script Updated By: version 2.8.01
ScriptType: v4.00
Collisions: Normal
PlayResY: 600
PlayDepth: 0
Timer: 100,0000
[V4 Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
Style: DefaultVCD, Arial,28,11861244,11861244,11861244,-2147483640,-1,0,1,1,2,2,30,30,30,0,0
[Events]
Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: Marked=0,0:00:01.18,0:00:06.85,DefaultVCD, NTP,0000,0000,0000,,{\pos(400,570)}Like an angel with pity on nobody
`
assParser(text, { comments: true }) returns the following:
`js`
[
{
"section": "Script Info",
"body": [
{
"type": "comment",
"value": " This is a Sub Station Alpha v4 script."
},
{
"type": "comment",
"value": " For Sub Station Alpha info and downloads,"
},
{
"type": "comment",
"value": " go to http://www.eswat.demon.co.uk/"
},
{
"key": "Title",
"value": "Neon Genesis Evangelion - Episode 26 (neutral Spanish)"
},
{
"key": "Original Script",
"value": "RoRo"
},
{
"key": "Script Updated By",
"value": "version 2.8.01"
},
{
"key": "ScriptType",
"value": "v4.00"
},
{
"key": "Collisions",
"value": "Normal"
},
{
"key": "PlayResY",
"value": "600"
},
{
"key": "PlayDepth",
"value": "0"
},
{
"key": "Timer",
"value": "100,0000"
}
]
},
{
"section": "V4 Styles",
"body": [
{
"key": "Format",
"value": [
"Name",
"Fontname",
"Fontsize",
"PrimaryColour",
"SecondaryColour",
"TertiaryColour",
"BackColour",
"Bold",
"Italic",
"BorderStyle",
"Outline",
"Shadow",
"Alignment",
"MarginL",
"MarginR",
"MarginV",
"AlphaLevel",
"Encoding"
]
},
{
"key": "Style",
"value": {
"Name": "DefaultVCD",
"Fontname": "Arial",
"Fontsize": "28",
"PrimaryColour": "11861244",
"SecondaryColour": "11861244",
"TertiaryColour": "11861244",
"BackColour": "-2147483640",
"Bold": "-1",
"Italic": "0",
"BorderStyle": "1",
"Outline": "1",
"Shadow": "2",
"Alignment": "2",
"MarginL": "30",
"MarginR": "30",
"MarginV": "30",
"AlphaLevel": "0",
"Encoding": "0"
}
}
]
},
{
"section": "Events",
"body": [
{
"key": "Format",
"value": [
"Marked",
"Start",
"End",
"Style",
"Name",
"MarginL",
"MarginR",
"MarginV",
"Effect",
"Text"
]
},
{
"key": "Dialogue",
"value": {
"Marked": "Marked=0",
"Start": "0:00:01.18",
"End": "0:00:06.85",
"Style": "DefaultVCD",
"Name": "NTP",
"MarginL": "0000",
"MarginR": "0000",
"MarginV": "0000",
"Effect": "",
"Text": "{\\pos(400,570)}Like an angel with pity on nobody"
}
}
]
}
]
Returns the parse tree.
Comments are ignored unless options.comments is set.
| Option | Type | Required? | Default |
| :------- | :------ | :-------: | :------ |
| comments | boolean | No | false |
Subtitle is a list of sections, each of them has section and body properties. The body is a list of key-value bindings (descriptors), with key and value properties (type == 'comment' and value for comments).
value can be one of the following:"Format"
- array if the descriptor key is ;"Format"
- object if there is a descriptor above in the section;
- string otherwise.
- Wikipedia page
- format specification
- ass-stringify - stringify SSA/ASS parse tree.
`shell``
npm install ass-parser
MIT