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// mxml.rl written by Mitchell Foral. mitchell<att>caladbolg<dott>net.
/************************* Required for every parser *************************/
#ifndef OHCOUNT_MXML_PARSER_H
#define OHCOUNT_MXML_PARSER_H
#include "../parser_macros.h"
// the name of the language
const char *MXML_LANG = LANG_MXML;
// the languages entities
const char *mxml_entities[] = {
"space", "comment", "doctype",
"tag", "entity", "any"
};
// constants associated with the entities
enum {
MXML_SPACE = 0, MXML_COMMENT, MXML_DOCTYPE,
MXML_TAG, MXML_ENTITY, MXML_ANY
};
/*****************************************************************************/
#include "css.h"
#include "actionscript.h"
%%{
machine mxml;
write data;
include common "common.rl";
#EMBED(css)
#EMBED(actionscript)
# Line counting machine
action mxml_ccallback {
switch(entity) {
case MXML_SPACE:
ls
break;
case MXML_ANY:
code
break;
case INTERNAL_NL:
std_internal_newline(MXML_LANG)
break;
case NEWLINE:
std_newline(MXML_LANG)
break;
case CHECK_BLANK_ENTRY:
check_blank_entry(MXML_LANG)
}
}
mxml_comment =
'<!--' @comment (
newline %{ entity = INTERNAL_NL; } %mxml_ccallback
|
ws
|
(nonnewline - ws) @comment
)* :>> '-->';
mxml_sq_str =
'\'' @code (
newline %{ entity = INTERNAL_NL; } %mxml_ccallback
|
ws
|
[^\r\n\f\t '\\] @code
|
'\\' nonnewline @code
)* '\'';
mxml_dq_str =
'"' @code (
newline %{ entity = INTERNAL_NL; } %mxml_ccallback
|
ws
|
[^\r\n\f\t "\\] @code
|
'\\' nonnewline @code
)* '"';
mxml_string = mxml_sq_str | mxml_dq_str;
ws_or_inl = (ws | newline @{ entity = INTERNAL_NL; } %mxml_ccallback);
mxml_css_entry = '<mx:Style>' @code;
mxml_css_outry = '</mx:Style>' @check_blank_outry @code;
mxml_css_line := |*
mxml_css_outry @{ p = ts; fret; };
# unmodified CSS patterns
spaces ${ entity = CSS_SPACE; } => css_ccallback;
css_comment;
css_string;
newline ${ entity = NEWLINE; } => css_ccallback;
^space ${ entity = CSS_ANY; } => css_ccallback;
*|;
mxml_as_entry = '<mx:Script>' @code;
mxml_as_outry = '</mx:Script>' @check_blank_outry @code;
mxml_as_line := |*
mxml_as_outry @{ p = ts; fret; };
# unmodified Actionscript patterns
spaces ${ entity = AS_SPACE; } => as_ccallback;
as_comment;
as_string;
newline ${ entity = NEWLINE; } => as_ccallback;
^space ${ entity = AS_ANY; } => as_ccallback;
*|;
mxml_line := |*
mxml_css_entry @{ entity = CHECK_BLANK_ENTRY; } @mxml_ccallback
@{ saw(CSS_LANG); } => { fcall mxml_css_line; };
mxml_as_entry @{ entity = CHECK_BLANK_ENTRY; } @mxml_ccallback
@{ saw(AS_LANG); } => { fcall mxml_as_line; };
# standard MXML patterns
spaces ${ entity = MXML_SPACE; } => mxml_ccallback;
mxml_comment;
mxml_string;
newline ${ entity = NEWLINE; } => mxml_ccallback;
^space ${ entity = MXML_ANY; } => mxml_ccallback;
*|;
# Entity machine
action mxml_ecallback {
callback(MXML_LANG, mxml_entities[entity], cint(ts), cint(te), userdata);
}
mxml_css_entry_entity = '<mx:Style>';
mxml_css_outry_entity = '</mx:Style>';
mxml_css_entity := |*
mxml_css_outry_entity @{ fret; };
# unmodified CSS patterns
space+ ${ entity = CSS_SPACE; } => css_ecallback;
css_comment_entity ${ entity = CSS_COMMENT; } => css_ecallback;
# TODO:
^space;
*|;
mxml_as_entry_entity = '<mx:Script>';
mxml_as_outry_entity = '</mx:Script>';
mxml_as_entity := |*
mxml_as_outry_entity @{ fret; };
# unmodified Actionscript patterns
space+ ${ entity = AS_SPACE; } => as_ecallback;
as_comment_entity ${ entity = AS_COMMENT; } => as_ecallback;
# TODO:
^space;
*|;
mxml_comment_entity = '<!--' any* :>> '-->';
mxml_entity := |*
# TODO: mxml_ecallback for mxml_*_{entry,outry}_entity
mxml_css_entry_entity => { fcall mxml_css_entity; };
mxml_as_entry_entity => { fcall mxml_as_entity; };
# standard MXML patterns
space+ ${ entity = MXML_SPACE; } => mxml_ecallback;
mxml_comment_entity ${ entity = MXML_COMMENT; } => mxml_ecallback;
# TODO:
^space;
*|;
}%%
/************************* Required for every parser *************************/
/* Parses a string buffer with MXML markup.
*
* @param *buffer The string to parse.
* @param length The length of the string to parse.
* @param count Integer flag specifying whether or not to count lines. If yes,
* uses the Ragel machine optimized for counting. Otherwise uses the Ragel
* machine optimized for returning entity positions.
* @param *callback Callback function. If count is set, callback is called for
* every line of code, comment, or blank with 'lcode', 'lcomment', and
* 'lblank' respectively. Otherwise callback is called for each entity found.
*/
void parse_mxml(char *buffer, int length, int count,
void (*callback) (const char *lang, const char *entity, int s,
int e, void *udata),
void *userdata
) {
init
%% write init;
cs = (count) ? mxml_en_mxml_line : mxml_en_mxml_entity;
%% write exec;
// if no newline at EOF; callback contents of last line
if (count) { process_last_line(MXML_LANG) }
}
#endif
/*****************************************************************************/
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