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/*
* This file is included by xml.rl
*
* @IGNORE: yes
*/
%%{
#
# Common XML grammar rules based on the XML 1.0 BNF from:
# http://www.jelks.nu/XML/xmlebnf.html
#
machine CommonXml;
S = (0x20 | 0x9 | 0xD | 0xA)+;
# WAS PubidChar = 0x20 | 0xD | 0xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%];
PubidChar = 0x20 | 0xD | 0xA | [a-zA-Z0-9] | [\-'()+,./:=?;!*#@$_%];
PubidLiteral = '"' PubidChar* '"' | "'" (PubidChar - "'")* "'";
Name = (Letter | '_' | ':') (NameChar)*;
Comment = '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->';
# Used strong subtraction operator, and replaced * with +. Ragel complained since using
# * results in a machine that accepts 0 length strings, and later it's only used in an
# optional construct anyway.
#
CharData_Old = [^<&]* - ([^<&]* ']]>' [^<&]*);
CharData = [^<&]+ -- ']]>';
SystemLiteral = ('"' [^"]* '"') | ("'" [^']* "'");
Eq = S? '=' S?;
VersionNum = ([a-zA-Z0-9_.:] | '-')+;
# WAS S 'version' Eq (' VersionNum ' | " VersionNum ") - fixed quotes
VersionInfo = S 'version' Eq ("'" VersionNum "'" | '"' VersionNum '"');
ExternalID = 'SYSTEM' S SystemLiteral | 'PUBLIC' S PubidLiteral S SystemLiteral;
PublicID = 'PUBLIC' S PubidLiteral;
NotationDecl = '<!NOTATION' S Name S (ExternalID | PublicID) S? '>';
EncName = [A-Za-z] ([A-Za-z0-9._] | '-')*;
EncodingDecl = S 'encoding' Eq ('"' EncName '"' | "'" EncName "'" );
# UNUSED TextDecl = '<?xml' VersionInfo? EncodingDecl S? '?>';
NDataDecl = S 'NDATA' S Name;
PEReference = '%' Name ';';
EntityRef = '&' Name ';';
CharRef = '&#' [0-9]+ ';' | '&0x' [0-9a-fA-F]+ ';';
Reference = EntityRef | CharRef;
EntityValue = '"' ([^%&"] | PEReference | Reference)* '"' | "'" ([^%&'] | PEReference | Reference)* "'";
PEDef = EntityValue | ExternalID;
EntityDef = EntityValue | (ExternalID NDataDecl?);
PEDecl = '<!ENTITY' S '%' S Name S PEDef S? '>';
GEDecl = '<!ENTITY' S Name S EntityDef S? '>';
EntityDecl = GEDecl | PEDecl;
Mixed = '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' | '(' S? '#PCDATA' S? ')';
# WAS cp = (Name | choice | seq) ('?' | '*' | '+')?;
# WAS seq = '(' S? cp ( S? ',' S? cp )* S? ')';
# WAS choice = '(' S? cp ( S? '|' S? cp )* S? ')';
# WAS children = (choice | seq) ('?' | '*' | '+')?;
# TODO put validation for this in and make it clearer
alt = '?' | '*' | '+';
children = '(' S?
( ( Name alt? ) |
'(' |
( ')' alt? ) |
[,|] |
S )
')' alt?;
contentspec = 'EMPTY' | 'ANY' | Mixed | children;
elementdecl = '<!ELEMENT' S Name S contentspec S? '>';
AttValue = '"' ([^<&"] | Reference)* '"' | "'" ([^<&'] | Reference)* "'";
Attribute = Name Eq AttValue;
Nmtoken = (NameChar)+;
# UNUSED Nmtokens = Nmtoken (S Nmtoken)*;
Enumeration = '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')';
NotationType = 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')';
EnumeratedType = NotationType | Enumeration;
TokenizedType = 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' | 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS';
StringType = 'CDATA';
AttType = StringType | TokenizedType | EnumeratedType;
DefaultDecl = '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue);
AttDef = S Name S AttType S DefaultDecl;
AttlistDecl = '<!ATTLIST' S Name AttDef* S? '>';
EmptyElemTag = '<' Name (S Attribute)* S? '/>';
ETag = '</' Name S? '>';
PITarget_Old = Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'));
PITarget = Name -- "xml"i;
PI = '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>';
markupdecl = elementdecl | AttlistDecl | EntityDecl | NotationDecl | PI | Comment;
doctypedecl = '<!DOCTYPE' S Name (S ExternalID)? S? ('[' (markupdecl | PEReference | S)* ']' S?)? '>';
# TODO extSubsetDecl = ( markupdecl | conditionalSect | PEReference | S )*;
# UNUSED extSubsetDecl = ( markupdecl | PEReference | S )*;
# UNUSED extSubset = TextDecl? extSubsetDecl;
# UNUSED Ignore = Char* - (Char* ('<![' | ']]>') Char*);
# TODO: ignoreSectContents = Ignore ('<![' ignoreSectContents ']]>' Ignore)*;
# UNUSED ignoreSectContents = Ignore ('<![' ']]>' Ignore)*;
# UNUSED ignoreSect = '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>';
# UNUSED includeSect = '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>';
# UNUSED conditionalSect = includeSect | ignoreSect;
STag = '<' Name (S Attribute)* S? '>';
CDStart = '<![CDATA[';
CDEnd = ']]>';
# WAS CData = (Char* - (Char* ']]>' Char*));
CData = (Char* -- CDEnd);
CDSect = CDStart CData CDEnd;
# UNUSED Subcode = ([a-z] | [A-Z])+;
# UNUSED UserCode = ('x' | 'X') '-' ([a-z] | [A-Z])+;
# UNUSED IanaCode = ('i' | 'I') '-' ([a-z] | [A-Z])+;
# UNUSED ISO639Code = ([a-z] | [A-Z]) ([a-z] | [A-Z]);
# UNUSED Langcode = ISO639Code | IanaCode | UserCode;
# UNUSED LanguageID = Langcode ('-' Subcode)*;
SDDecl = S 'standalone' Eq (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"'));
# UNUSED extPE = TextDecl? extSubsetDecl;
Misc = Comment | PI | S;
XMLDecl = '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>';
prolog = XMLDecl? Misc* (doctypedecl Misc*)?;
# UNUSED Names = Name (S Name)*;
# Added fcall - TODO check logic is correct
# UNUSED extParsedEnt = TextDecl? @{fcall content;};
# TODO tag stack validation
# WAS element = EmptyElemTag | STag content ETag
# WAS content = (element | CharData | Reference | CDSect | PI | Comment)*;
content = (EmptyElemTag | STag | ETag | CharData | Reference | CDSect | PI | Comment)*;
# WAS document = prolog element Misc*;
document = prolog ( EmptyElemTag | ( STag content ETag ) ) Misc*;
main := document;
}%%
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