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%{
#include "../gst_private.h"
#include <math.h>
#include <string.h>
#include <glib/gprintf.h>
#include "types.h"
#include "../gstinfo.h"
#include "../gsturi.h"
#include "grammar.tab.h"
#ifdef malloc
#undef malloc
#endif
#ifdef free
#undef free
#endif
#ifdef realloc
#undef realloc
#endif
#define malloc g_malloc
#define free g_free
#define realloc g_realloc
/* Override the default ECHO so as to avoid fortify warnings. Ignore the
embedded-NUL case for now. We know yytext is NUL-terminated. */
#define ECHO g_fprintf(yyout, "%s", yytext)
#ifdef G_HAVE_ISO_VARARGS
#define PRINT(...) GST_CAT_DEBUG (GST_CAT_PIPELINE, "flex: " __VA_ARGS__)
#elif defined(G_HAVE_GNUC_VARARGS)
#define PRINT(args...) GST_CAT_DEBUG (GST_CAT_PIPELINE, "flex: " args)
#else
static inline void
PRINT (const char *format, ...)
{
va_list varargs;
va_start (varargs, format);
GST_CAT_LEVEL_LOG_valist (GST_CAT_PIPELINE, GST_LEVEL_DEBUG, NULL,
format, varargs);
va_end (varargs);
}
#endif
%}
_operator [(){}.!,;=]
_identifier [[:alnum:]_][[:alnum:]\-_%:]*
_char ("\\".)|([^[:space:]])
_string {_char}+|("\""([^\"]|"\\\"")*"\"")|("'"([^']|"\\\'")*"'")
_assign [[:space:]]*"="[[:space:]]*
_protocol [[:alpha:]][[:alnum:]+-\.]*
_url ({_protocol}"://"{_string}|["."{_identifier}]?"/"{_string})|({_protocol}"://")
/* we must do this here, because nearly everything matches a {_string} */
_assignment {_identifier}{_assign}{_string}
/* get pad/element references and stuff with dots right */
_padref "."{_identifier}
_ref {_identifier}"."{_identifier}?
_binref {_identifier}[[:space:]]*"."[[:space:]]*"("
/* links */
_mimechar [[:alnum:]-]
_mimetype {_mimechar}+"/"{_mimechar}+
_capschar ("\\".)|([^\;!])
_capsstring {_capschar}+
_caps {_mimetype}(","[^!]|{_capsstring})*
_link ("!"[[:space:]]*{_caps}([[:space:]]*(";"[[:space:]]*{_caps})*[[:space:]]*)*"!")|("!")
%x value
%option noyywrap
%option nounput
%option reentrant
%option bison-bridge
%option never-interactive
%option noinput
%%
{_assignment} {
/* "=" */
PRINT ("ASSIGNMENT: %s", yytext);
yylval->ss = gst_parse_strdup (yytext);
BEGIN (INITIAL);
return ASSIGNMENT;
}
{_padref} {
yytext++;
PRINT ("PADREF: %s", yytext);
yylval->ss = gst_parse_strdup (yytext);
BEGIN (INITIAL);
return PADREF;
}
{_ref} {
PRINT ("REF: %s", yytext);
yylval->ss = gst_parse_strdup (yytext);
BEGIN (INITIAL);
return REF;
}
{_binref} {
gchar *pos = yytext;
while (!g_ascii_isspace (*pos) && (*pos != '.')) pos++;
*pos = '\0';
PRINT ("BINREF: %s", yytext);
yylval->ss = gst_parse_strdup (yytext);
BEGIN (INITIAL);
return BINREF;
}
{_identifier} {
PRINT ("IDENTIFIER: %s", yytext);
yylval->ss = gst_parse_strdup (yytext);
BEGIN (INITIAL);
return IDENTIFIER;
}
{_link} {
gchar *c = yytext;
PRINT ("LINK: %s", yytext);
c++;
if (*c) {
while (g_ascii_isspace (*c)) c++;
c = yylval->ss = gst_parse_strdup (c);
while (*c) c++;
if (*--c != '!')
g_assert_not_reached ();
while (g_ascii_isspace (*--c));
*++c = '\0';
} else {
yylval->ss = NULL;
}
BEGIN (INITIAL);
return LINK;
}
{_url} {
PRINT ("URL: %s", yytext);
yylval->ss = g_strdup (yytext);
gst_parse_unescape (yylval->ss);
BEGIN (INITIAL);
return PARSE_URL;
}
{_operator} { PRINT ("OPERATOR: [%s]", yytext); return *yytext; }
[[:space:]]+ { PRINT ("SPACE: [%s]", yytext); }
. {
PRINT ("Invalid Lexer element: %s\n", yytext);
return *yytext;
}
%%
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