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/*
* Copyright (C) 2002-2004 Pekka Enberg <penberg@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Scanner for XML Indent. */
%{
/* Flex 2.5.31 and higher limits use of unput() to definitions section
of the input file. */
static void yyunput(int, char *);
void do_unput(int c)
{
unput(c);
}
%}
/*
* We're mostly following the XML 1.0 specification:
* http://www.w3.org/TR/2000/REC-xml-20001006
*/
LETTER [[:alpha:]]
DIGIT [[:digit:]]
NAME_CHAR ({LETTER}|{DIGIT}|\.|-|_|:)
NAME ({LETTER}|_|:)({NAME_CHAR})*
SPACE [ \t\r\n]+
QUOTED_LITERAL (\"[^\"]*\")|(\'[^\']*\')
SYSTEM_LITERAL {QUOTED_LITERAL}
PUBID_LITERAL {QUOTED_LITERAL}
EXTERNAL_ID ("SYSTEM"{SPACE}{SYSTEM_LITERAL}|"PUBLIC"{SPACE}{PUBID_LITERAL}{SPACE}{SYSTEM_LITERAL})
XML_DECLARATION "<?xml"[^?]*"?>"
DOCTYPE_DECLARATION "<!DOCTYPE"{SPACE}*{NAME}({SPACE}{EXTERNAL_ID})?{SPACE}?("["([^\]]*|\][^>])*"]")?{SPACE}*">"
CDATA_SECTION "<![CDATA["([^\]]*|\][^\]]|\]\][^>])*"]]>"
PROCESSING_INSN "<?"([^X]|[^x])([^M]|[^m])([^L]|[^l])[^?]*"?>"
ENTITY_REF (\&{NAME};)
CHAR_REF ((\&#[0-9]+;)|(\&#x[0-9a-fA-F]+;))
REFERENCE ({ENTITY_REF}|{CHAR_REF})
ATT_VALUE ((\"([^<\&\"]|{REFERENCE})*\")|(\'([^<\&\']|{REFERENCE})*\'))
ATTRIBUTE {NAME}{SPACE}*"="{SPACE}*{ATT_VALUE}
START_TAG "<"{NAME}({SPACE}*{ATTRIBUTE})*{SPACE}*">"
END_TAG "</"{NAME}{SPACE}*">"
EMPTY_ELEMENT_TAG "<"{NAME}({SPACE}*{ATTRIBUTE})*{SPACE}*"/>"
CONTENT [^\<]
COMMENT "<!--"
%%
{XML_DECLARATION} {
xml_declaration();
}
{CDATA_SECTION} {
cdata_section();
}
{DOCTYPE_DECLARATION} {
doctype_declaration();
}
{START_TAG} {
start_tag();
}
{END_TAG} {
end_tag();
}
{EMPTY_ELEMENT_TAG} {
empty_element_tag();
}
{CONTENT} {
content();
}
{COMMENT} {
comment();
}
{PROCESSING_INSN} {
processing_insn();
}
. {
fprintf(stderr, "Error: Scanner did not recognize string '%s' near line %d.\n", yytext, yylineno);
exit(1);
}
%%
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