50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
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using System;
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using Microsoft.Contracts;
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%%
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%line
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%char
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%namespace Microsoft.Singularity.Security.AccessControl
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%class AclParser
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%function NextToken
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%type AclToken
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%state GROUPNAME
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ANY=!
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ARC=[^./@\{()*+!\|]+|{ANY}
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GN=[^\}]+
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LITERAL=[()|\*/\|@]
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ESCAPE=[\+\.]
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%%
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<YYINITIAL> {ARC} {
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String! str = (!)yytext().Substring(0, yytext().Length);
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if (str.Equals("!"))
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{
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return (new AclToken(AclTokenType.Any, str, yychar, yychar + 1));
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}
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else
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{
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return (new AclToken(AclTokenType.Arc, str, yychar, yychar + str.Length));
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}
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}
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<YYINITIAL> "{" {yybegin(GROUPNAME); return null;}
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<GROUPNAME> {GN} {
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String! str = (!)yytext().Substring(0, yytext().Length);
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return (new AclToken(AclTokenType.GroupName, str, yychar, yychar + str.Length));
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}
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<GROUPNAME> "}" {yybegin(YYINITIAL); return null;}
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<YYINITIAL> {LITERAL} { return (new AclToken(AclTokenType.Literal, yytext(), yychar, yychar+1)); }
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<YYINITIAL> {ESCAPE} { return (new AclToken(AclTokenType.Escape, yytext(), yychar, yychar+1)); }
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<YYINITIAL> {ANY} { return (new AclToken(AclTokenType.Any, yytext(), yychar, yychar+1)); }
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<YYINITIAL> . { return (new AclToken(AclTokenType.Miscellaneous, yytext(), yychar, yychar+1)); }
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<GROUPNAME> . { return (new AclToken(AclTokenType.Miscellaneous, yytext(), yychar, yychar+1)); }
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