[1] The Package Content Provider (Kai Sommerfeld 著, 版) <https://www.openoffice.org/ucb/docs/ucp-ref/package-ucp.html>
Each PCP content has an identifier corresponding to the following scheme:
package-URL = "vnd.sun.star.pkg://" orig-URL [ abs-path ]
abs-path = "/" path-segments
path-segements = segment *( "/" segment )
segment = pchar
pchar = unreserved | escaped | ":" | "@" | "&" | "=" | "+" | "$" | ","
unreserved = alphanum | mark
mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
escaped = "%" hex hex
orig-URL = 1 *( unreserved | escaped | "$" | "," | ";" | ":" | "@" | "&" | "&" | "=" | "+"
Examples:
vnd.sun.star.pkg://file:%2F%2F%2Fe:%2Fmy.xsw/ ( The root folder of the package located at file:///e:/my.xsw )
vnd.sun.star.pkg://file:%2F%2F%2Fe:%2Fmy.xsw/Content ( The folder/stream named "Content" that is contained in the root folder of the located at file:///e:/my.xsw )
vnd.sun.star.pkg://file:%2F%2F%2Fe:%2Fmy.xsw/Content%20A ( The folder/stream named "Content A" that is contained in the root folder of the located at file:///e:/my.xsw )